Mercurial > hg
annotate mercurial/cext/revlog.c @ 45177:03332e5f67e9
phases: make sure an exception should be set on error return
This should never happen, but the code looks wrong without PyErr_Set*() call.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sat, 18 Jul 2020 18:21:26 +0900 |
parents | 3264d58e8b06 |
children | b00fa1782efe |
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1 /* |
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2 parsers.c - efficient content parsing |
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3 |
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4 Copyright 2008 Matt Mackall <mpm@selenic.com> and others |
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5 |
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6 This software may be used and distributed according to the terms of |
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7 the GNU General Public License, incorporated herein by reference. |
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8 */ |
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9 |
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10 #define PY_SSIZE_T_CLEAN |
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11 #include <Python.h> |
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12 #include <assert.h> |
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13 #include <ctype.h> |
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14 #include <limits.h> |
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15 #include <stddef.h> |
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16 #include <stdlib.h> |
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17 #include <string.h> |
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18 |
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19 #include "bitmanipulation.h" |
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20 #include "charencode.h" |
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21 #include "revlog.h" |
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22 #include "util.h" |
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23 |
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24 #ifdef IS_PY3K |
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25 /* The mapping of Python types is meant to be temporary to get Python |
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26 * 3 to compile. We should remove this once Python 3 support is fully |
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27 * supported and proper types are used in the extensions themselves. */ |
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28 #define PyInt_Check PyLong_Check |
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29 #define PyInt_FromLong PyLong_FromLong |
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30 #define PyInt_FromSsize_t PyLong_FromSsize_t |
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31 #define PyInt_AsLong PyLong_AsLong |
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32 #endif |
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33 |
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34 typedef struct indexObjectStruct indexObject; |
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35 |
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36 typedef struct { |
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37 int children[16]; |
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38 } nodetreenode; |
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39 |
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40 typedef struct { |
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41 int abi_version; |
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42 Py_ssize_t (*index_length)(const indexObject *); |
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43 const char *(*index_node)(indexObject *, Py_ssize_t); |
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44 int (*index_parents)(PyObject *, int, int *); |
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45 } Revlog_CAPI; |
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46 |
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47 /* |
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48 * A base-16 trie for fast node->rev mapping. |
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49 * |
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50 * Positive value is index of the next node in the trie |
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51 * Negative value is a leaf: -(rev + 2) |
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52 * Zero is empty |
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53 */ |
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54 typedef struct { |
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55 indexObject *index; |
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56 nodetreenode *nodes; |
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57 unsigned length; /* # nodes in use */ |
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58 unsigned capacity; /* # nodes allocated */ |
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59 int depth; /* maximum depth of tree */ |
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60 int splits; /* # splits performed */ |
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61 } nodetree; |
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62 |
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63 typedef struct { |
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64 PyObject_HEAD /* ; */ |
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65 nodetree nt; |
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66 } nodetreeObject; |
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67 |
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68 /* |
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70 * |
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71 * When used in a list-like way (with integer keys), we decode an |
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72 * entry in a RevlogNG index file on demand. We have limited support for |
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73 * integer-keyed insert and delete, only at elements right before the |
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74 * end. |
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75 * |
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76 * With string keys, we lazily perform a reverse mapping from node to |
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77 * rev, using a base-16 trie. |
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78 */ |
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79 struct indexObjectStruct { |
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80 PyObject_HEAD |
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81 /* Type-specific fields go here. */ |
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82 PyObject *data; /* raw bytes of index */ |
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83 Py_buffer buf; /* buffer of data */ |
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84 PyObject **cache; /* cached tuples */ |
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85 const char **offsets; /* populated on demand */ |
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86 Py_ssize_t raw_length; /* original number of elements */ |
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87 Py_ssize_t length; /* current number of elements */ |
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88 PyObject *added; /* populated on demand */ |
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89 PyObject *headrevs; /* cache, invalidated on changes */ |
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90 PyObject *filteredrevs; /* filtered revs set */ |
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91 nodetree nt; /* base-16 trie */ |
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92 int ntinitialized; /* 0 or 1 */ |
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93 int ntrev; /* last rev scanned */ |
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94 int ntlookups; /* # lookups */ |
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95 int ntmisses; /* # lookups that miss the cache */ |
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96 int inlined; |
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97 }; |
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98 |
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99 static Py_ssize_t index_length(const indexObject *self) |
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100 { |
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101 if (self->added == NULL) |
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102 return self->length; |
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103 return self->length + PyList_GET_SIZE(self->added); |
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104 } |
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105 |
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106 static PyObject *nullentry = NULL; |
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107 static const char nullid[20] = {0}; |
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108 static const Py_ssize_t nullrev = -1; |
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109 |
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110 static Py_ssize_t inline_scan(indexObject *self, const char **offsets); |
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111 |
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112 static int index_find_node(indexObject *self, const char *node, |
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113 Py_ssize_t nodelen); |
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114 |
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115 #if LONG_MAX == 0x7fffffffL |
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116 static const char *const tuple_format = PY23("Kiiiiiis#", "Kiiiiiiy#"); |
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117 #else |
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118 static const char *const tuple_format = PY23("kiiiiiis#", "kiiiiiiy#"); |
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119 #endif |
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120 |
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121 /* A RevlogNG v1 index entry is 64 bytes long. */ |
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122 static const long v1_hdrsize = 64; |
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123 |
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124 static void raise_revlog_error(void) |
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125 { |
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126 PyObject *mod = NULL, *dict = NULL, *errclass = NULL; |
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127 |
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128 mod = PyImport_ImportModule("mercurial.error"); |
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129 if (mod == NULL) { |
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130 goto cleanup; |
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131 } |
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132 |
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133 dict = PyModule_GetDict(mod); |
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134 if (dict == NULL) { |
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135 goto cleanup; |
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136 } |
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137 Py_INCREF(dict); |
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138 |
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139 errclass = PyDict_GetItemString(dict, "RevlogError"); |
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140 if (errclass == NULL) { |
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141 PyErr_SetString(PyExc_SystemError, |
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142 "could not find RevlogError"); |
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143 goto cleanup; |
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144 } |
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145 |
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146 /* value of exception is ignored by callers */ |
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147 PyErr_SetString(errclass, "RevlogError"); |
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148 |
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149 cleanup: |
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150 Py_XDECREF(dict); |
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151 Py_XDECREF(mod); |
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152 } |
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153 |
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154 /* |
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155 * Return a pointer to the beginning of a RevlogNG record. |
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156 */ |
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157 static const char *index_deref(indexObject *self, Py_ssize_t pos) |
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158 { |
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159 if (self->inlined && pos > 0) { |
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160 if (self->offsets == NULL) { |
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161 Py_ssize_t ret; |
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162 self->offsets = PyMem_Malloc(self->raw_length * |
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163 sizeof(*self->offsets)); |
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164 if (self->offsets == NULL) |
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165 return (const char *)PyErr_NoMemory(); |
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166 ret = inline_scan(self, self->offsets); |
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167 if (ret == -1) { |
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168 return NULL; |
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169 }; |
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170 } |
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171 return self->offsets[pos]; |
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172 } |
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173 |
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174 return (const char *)(self->buf.buf) + pos * v1_hdrsize; |
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175 } |
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176 |
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177 /* |
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178 * Get parents of the given rev. |
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179 * |
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180 * The specified rev must be valid and must not be nullrev. A returned |
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181 * parent revision may be nullrev, but is guaranteed to be in valid range. |
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|
182 */ |
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|
183 static inline int index_get_parents(indexObject *self, Py_ssize_t rev, int *ps, |
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|
184 int maxrev) |
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185 { |
39068
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186 if (rev >= self->length) { |
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|
187 long tmp; |
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188 PyObject *tuple = |
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189 PyList_GET_ITEM(self->added, rev - self->length); |
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190 if (!pylong_to_long(PyTuple_GET_ITEM(tuple, 5), &tmp)) { |
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191 return -1; |
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|
192 } |
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|
193 ps[0] = (int)tmp; |
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194 if (!pylong_to_long(PyTuple_GET_ITEM(tuple, 6), &tmp)) { |
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195 return -1; |
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|
196 } |
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197 ps[1] = (int)tmp; |
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198 } else { |
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199 const char *data = index_deref(self, rev); |
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200 ps[0] = getbe32(data + 24); |
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201 ps[1] = getbe32(data + 28); |
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202 } |
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203 /* If index file is corrupted, ps[] may point to invalid revisions. So |
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204 * there is a risk of buffer overflow to trust them unconditionally. */ |
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205 if (ps[0] < -1 || ps[0] > maxrev || ps[1] < -1 || ps[1] > maxrev) { |
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206 PyErr_SetString(PyExc_ValueError, "parent out of range"); |
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207 return -1; |
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208 } |
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209 return 0; |
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210 } |
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211 |
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212 /* |
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213 * Get parents of the given rev. |
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214 * |
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215 * If the specified rev is out of range, IndexError will be raised. If the |
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216 * revlog entry is corrupted, ValueError may be raised. |
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217 * |
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218 * Returns 0 on success or -1 on failure. |
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219 */ |
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220 static int HgRevlogIndex_GetParents(PyObject *op, int rev, int *ps) |
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221 { |
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|
222 int tiprev; |
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223 if (!op || !HgRevlogIndex_Check(op) || !ps) { |
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224 PyErr_BadInternalCall(); |
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225 return -1; |
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226 } |
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227 tiprev = (int)index_length((indexObject *)op) - 1; |
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228 if (rev < -1 || rev > tiprev) { |
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229 PyErr_Format(PyExc_IndexError, "rev out of range: %d", rev); |
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230 return -1; |
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231 } else if (rev == -1) { |
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232 ps[0] = ps[1] = -1; |
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233 return 0; |
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234 } else { |
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235 return index_get_parents((indexObject *)op, rev, ps, tiprev); |
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236 } |
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237 } |
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238 |
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239 static inline int64_t index_get_start(indexObject *self, Py_ssize_t rev) |
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240 { |
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241 uint64_t offset; |
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242 if (rev == nullrev) { |
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243 return 0; |
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244 } |
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245 if (rev >= self->length) { |
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246 PyObject *tuple; |
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247 PyObject *pylong; |
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248 PY_LONG_LONG tmp; |
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249 tuple = PyList_GET_ITEM(self->added, rev - self->length); |
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250 pylong = PyTuple_GET_ITEM(tuple, 0); |
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251 tmp = PyLong_AsLongLong(pylong); |
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252 if (tmp == -1 && PyErr_Occurred()) { |
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253 return -1; |
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254 } |
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255 if (tmp < 0) { |
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256 PyErr_Format(PyExc_OverflowError, |
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257 "revlog entry size out of bound (%lld)", |
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258 (long long)tmp); |
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259 return -1; |
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260 } |
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261 offset = (uint64_t)tmp; |
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262 } else { |
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263 const char *data = index_deref(self, rev); |
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264 offset = getbe32(data + 4); |
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265 if (rev == 0) { |
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266 /* mask out version number for the first entry */ |
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267 offset &= 0xFFFF; |
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268 } else { |
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269 uint32_t offset_high = getbe32(data); |
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270 offset |= ((uint64_t)offset_high) << 32; |
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271 } |
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272 } |
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273 return (int64_t)(offset >> 16); |
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274 } |
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275 |
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276 static inline int index_get_length(indexObject *self, Py_ssize_t rev) |
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277 { |
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278 if (rev == nullrev) { |
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279 return 0; |
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280 } |
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281 if (rev >= self->length) { |
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282 PyObject *tuple; |
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283 PyObject *pylong; |
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284 long ret; |
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285 tuple = PyList_GET_ITEM(self->added, rev - self->length); |
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286 pylong = PyTuple_GET_ITEM(tuple, 1); |
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287 ret = PyInt_AsLong(pylong); |
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288 if (ret == -1 && PyErr_Occurred()) { |
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289 return -1; |
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290 } |
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291 if (ret < 0 || ret > (long)INT_MAX) { |
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292 PyErr_Format(PyExc_OverflowError, |
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293 "revlog entry size out of bound (%ld)", |
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294 ret); |
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295 return -1; |
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296 } |
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297 return (int)ret; |
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298 } else { |
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299 const char *data = index_deref(self, rev); |
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300 int tmp = (int)getbe32(data + 8); |
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301 if (tmp < 0) { |
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302 PyErr_Format(PyExc_OverflowError, |
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303 "revlog entry size out of bound (%d)", |
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304 tmp); |
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305 return -1; |
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306 } |
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307 return tmp; |
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308 } |
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309 } |
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310 |
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311 /* |
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312 * RevlogNG format (all in big endian, data may be inlined): |
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313 * 6 bytes: offset |
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314 * 2 bytes: flags |
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315 * 4 bytes: compressed length |
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316 * 4 bytes: uncompressed length |
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317 * 4 bytes: base revision |
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318 * 4 bytes: link revision |
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319 * 4 bytes: parent 1 revision |
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320 * 4 bytes: parent 2 revision |
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321 * 32 bytes: nodeid (only 20 bytes used) |
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322 */ |
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323 static PyObject *index_get(indexObject *self, Py_ssize_t pos) |
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324 { |
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325 uint64_t offset_flags; |
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326 int comp_len, uncomp_len, base_rev, link_rev, parent_1, parent_2; |
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327 const char *c_node_id; |
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328 const char *data; |
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329 Py_ssize_t length = index_length(self); |
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330 PyObject *entry; |
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331 |
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332 if (pos == nullrev) { |
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333 Py_INCREF(nullentry); |
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334 return nullentry; |
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335 } |
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336 |
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337 if (pos < 0 || pos >= length) { |
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338 PyErr_SetString(PyExc_IndexError, "revlog index out of range"); |
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339 return NULL; |
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340 } |
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341 |
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342 if (pos >= self->length) { |
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343 PyObject *obj; |
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344 obj = PyList_GET_ITEM(self->added, pos - self->length); |
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345 Py_INCREF(obj); |
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346 return obj; |
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347 } |
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348 |
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349 if (self->cache) { |
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350 if (self->cache[pos]) { |
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351 Py_INCREF(self->cache[pos]); |
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352 return self->cache[pos]; |
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353 } |
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354 } else { |
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355 self->cache = calloc(self->raw_length, sizeof(PyObject *)); |
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356 if (self->cache == NULL) |
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357 return PyErr_NoMemory(); |
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358 } |
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359 |
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360 data = index_deref(self, pos); |
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361 if (data == NULL) |
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362 return NULL; |
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363 |
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364 offset_flags = getbe32(data + 4); |
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365 if (pos == 0) /* mask out version number for the first entry */ |
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366 offset_flags &= 0xFFFF; |
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367 else { |
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368 uint32_t offset_high = getbe32(data); |
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369 offset_flags |= ((uint64_t)offset_high) << 32; |
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370 } |
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371 |
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372 comp_len = getbe32(data + 8); |
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373 uncomp_len = getbe32(data + 12); |
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374 base_rev = getbe32(data + 16); |
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375 link_rev = getbe32(data + 20); |
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376 parent_1 = getbe32(data + 24); |
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377 parent_2 = getbe32(data + 28); |
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378 c_node_id = data + 32; |
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379 |
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380 entry = Py_BuildValue(tuple_format, offset_flags, comp_len, uncomp_len, |
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381 base_rev, link_rev, parent_1, parent_2, c_node_id, |
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cext: cast s# arguments of Py_BuildValue() to Py_ssize_t
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382 (Py_ssize_t)20); |
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383 |
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384 if (entry) { |
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385 PyObject_GC_UnTrack(entry); |
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386 Py_INCREF(entry); |
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387 } |
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388 |
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389 self->cache[pos] = entry; |
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390 |
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391 return entry; |
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392 } |
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393 |
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394 /* |
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395 * Return the 20-byte SHA of the node corresponding to the given rev. |
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396 */ |
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397 static const char *index_node(indexObject *self, Py_ssize_t pos) |
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398 { |
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399 Py_ssize_t length = index_length(self); |
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400 const char *data; |
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401 |
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402 if (pos == nullrev) |
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403 return nullid; |
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404 |
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405 if (pos >= length) |
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406 return NULL; |
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407 |
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408 if (pos >= self->length) { |
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409 PyObject *tuple, *str; |
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410 tuple = PyList_GET_ITEM(self->added, pos - self->length); |
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411 str = PyTuple_GetItem(tuple, 7); |
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412 return str ? PyBytes_AS_STRING(str) : NULL; |
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413 } |
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414 |
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415 data = index_deref(self, pos); |
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416 return data ? data + 32 : NULL; |
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417 } |
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418 |
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419 /* |
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420 * Return the 20-byte SHA of the node corresponding to the given rev. The |
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421 * rev is assumed to be existing. If not, an exception is set. |
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422 */ |
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423 static const char *index_node_existing(indexObject *self, Py_ssize_t pos) |
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424 { |
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425 const char *node = index_node(self, pos); |
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426 if (node == NULL) { |
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427 PyErr_Format(PyExc_IndexError, "could not access rev %d", |
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428 (int)pos); |
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429 } |
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430 return node; |
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431 } |
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432 |
38940
b6fb71a0a005
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433 static int nt_insert(nodetree *self, const char *node, int rev); |
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434 |
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435 static int node_check(PyObject *obj, char **node) |
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436 { |
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437 Py_ssize_t nodelen; |
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438 if (PyBytes_AsStringAndSize(obj, node, &nodelen) == -1) |
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439 return -1; |
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440 if (nodelen == 20) |
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441 return 0; |
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442 PyErr_SetString(PyExc_ValueError, "20-byte hash required"); |
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443 return -1; |
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444 } |
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445 |
38850
6104b203bec8
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446 static PyObject *index_append(indexObject *self, PyObject *obj) |
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Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
447 { |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
448 char *node; |
38819
49628742d264
revlog: remove unnecessary output parameter from node_check()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38305
diff
changeset
|
449 Py_ssize_t len; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
450 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
451 if (!PyTuple_Check(obj) || PyTuple_GET_SIZE(obj) != 8) { |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
452 PyErr_SetString(PyExc_TypeError, "8-tuple required"); |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
453 return NULL; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
454 } |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
455 |
38819
49628742d264
revlog: remove unnecessary output parameter from node_check()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38305
diff
changeset
|
456 if (node_check(PyTuple_GET_ITEM(obj, 7), &node) == -1) |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
457 return NULL; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
458 |
38868
0db50770f388
index: don't add 1 to length variables
Martin von Zweigbergk <martinvonz@google.com>
parents:
38867
diff
changeset
|
459 len = index_length(self); |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
460 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
461 if (self->added == NULL) { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
462 self->added = PyList_New(0); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
463 if (self->added == NULL) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
464 return NULL; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
465 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
466 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
467 if (PyList_Append(self->added, obj) == -1) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
468 return NULL; |
13254
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
changeset
|
469 |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
470 if (self->ntinitialized) |
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
471 nt_insert(&self->nt, node, (int)len); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
472 |
16787
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
473 Py_CLEAR(self->headrevs); |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
474 Py_RETURN_NONE; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
475 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
476 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
477 static PyObject *index_stats(indexObject *self) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
478 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
479 PyObject *obj = PyDict_New(); |
40455
88702fd208ce
py3: convert revlog stats to a dict of (bytes, int) pairs
Yuya Nishihara <yuya@tcha.org>
parents:
40300
diff
changeset
|
480 PyObject *s = NULL; |
23948
bd307b462ce2
parsers: avoid leaking several PyObjects in index_stats
Augie Fackler <augie@google.com>
parents:
23947
diff
changeset
|
481 PyObject *t = NULL; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
482 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
483 if (obj == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
484 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
485 |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
486 #define istat(__n, __d) \ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
487 do { \ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
488 s = PyBytes_FromString(__d); \ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
489 t = PyInt_FromSsize_t(self->__n); \ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
490 if (!s || !t) \ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
491 goto bail; \ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
492 if (PyDict_SetItem(obj, s, t) == -1) \ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
493 goto bail; \ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
494 Py_CLEAR(s); \ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
495 Py_CLEAR(t); \ |
28792
507136150d2b
parsers: fix istat macro to work with single line if statement
Matt Fowles <matt.fowles@gmail.com>
parents:
28386
diff
changeset
|
496 } while (0) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
497 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
498 if (self->added) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
499 Py_ssize_t len = PyList_GET_SIZE(self->added); |
40455
88702fd208ce
py3: convert revlog stats to a dict of (bytes, int) pairs
Yuya Nishihara <yuya@tcha.org>
parents:
40300
diff
changeset
|
500 s = PyBytes_FromString("index entries added"); |
23948
bd307b462ce2
parsers: avoid leaking several PyObjects in index_stats
Augie Fackler <augie@google.com>
parents:
23947
diff
changeset
|
501 t = PyInt_FromSsize_t(len); |
40455
88702fd208ce
py3: convert revlog stats to a dict of (bytes, int) pairs
Yuya Nishihara <yuya@tcha.org>
parents:
40300
diff
changeset
|
502 if (!s || !t) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
503 goto bail; |
40455
88702fd208ce
py3: convert revlog stats to a dict of (bytes, int) pairs
Yuya Nishihara <yuya@tcha.org>
parents:
40300
diff
changeset
|
504 if (PyDict_SetItem(obj, s, t) == -1) |
23948
bd307b462ce2
parsers: avoid leaking several PyObjects in index_stats
Augie Fackler <augie@google.com>
parents:
23947
diff
changeset
|
505 goto bail; |
40455
88702fd208ce
py3: convert revlog stats to a dict of (bytes, int) pairs
Yuya Nishihara <yuya@tcha.org>
parents:
40300
diff
changeset
|
506 Py_CLEAR(s); |
88702fd208ce
py3: convert revlog stats to a dict of (bytes, int) pairs
Yuya Nishihara <yuya@tcha.org>
parents:
40300
diff
changeset
|
507 Py_CLEAR(t); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
508 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
509 |
39068
52e9bf215f96
index: don't include nullid in the internal "length" field
Martin von Zweigbergk <martinvonz@google.com>
parents:
38944
diff
changeset
|
510 if (self->raw_length != self->length) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
511 istat(raw_length, "revs on disk"); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
512 istat(length, "revs in memory"); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
513 istat(ntlookups, "node trie lookups"); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
514 istat(ntmisses, "node trie misses"); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
515 istat(ntrev, "node trie last rev scanned"); |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
516 if (self->ntinitialized) { |
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
517 istat(nt.capacity, "node trie capacity"); |
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
518 istat(nt.depth, "node trie depth"); |
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
519 istat(nt.length, "node trie count"); |
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
520 istat(nt.splits, "node trie splits"); |
38913
c2c253558e3c
index: move more fields onto nodetree type
Martin von Zweigbergk <martinvonz@google.com>
parents:
38912
diff
changeset
|
521 } |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
522 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
523 #undef istat |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
524 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
525 return obj; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
526 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
527 bail: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
528 Py_XDECREF(obj); |
40455
88702fd208ce
py3: convert revlog stats to a dict of (bytes, int) pairs
Yuya Nishihara <yuya@tcha.org>
parents:
40300
diff
changeset
|
529 Py_XDECREF(s); |
23948
bd307b462ce2
parsers: avoid leaking several PyObjects in index_stats
Augie Fackler <augie@google.com>
parents:
23947
diff
changeset
|
530 Py_XDECREF(t); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
531 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
532 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
533 |
16787
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
534 /* |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
535 * When we cache a list, we want to be sure the caller can't mutate |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
536 * the cached copy. |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
537 */ |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
538 static PyObject *list_copy(PyObject *list) |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
539 { |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
540 Py_ssize_t len = PyList_GET_SIZE(list); |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
541 PyObject *newlist = PyList_New(len); |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
542 Py_ssize_t i; |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
543 |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
544 if (newlist == NULL) |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
545 return NULL; |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
546 |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
547 for (i = 0; i < len; i++) { |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
548 PyObject *obj = PyList_GET_ITEM(list, i); |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
549 Py_INCREF(obj); |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
550 PyList_SET_ITEM(newlist, i, obj); |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
551 } |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
552 |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
553 return newlist; |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
554 } |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
555 |
34440
7ed0750c71a1
cext: wrap before brace for functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
34438
diff
changeset
|
556 static int check_filter(PyObject *filter, Py_ssize_t arg) |
7ed0750c71a1
cext: wrap before brace for functions
Gregory Szorc <gregory.szorc@gmail.com>
parents:
34438
diff
changeset
|
557 { |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
558 if (filter) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
559 PyObject *arglist, *result; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
560 int isfiltered; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
561 |
26107
50582df9d7a7
parsers: fix two cases of unsigned long instead of Py_ssize_t
Augie Fackler <augie@google.com>
parents:
26098
diff
changeset
|
562 arglist = Py_BuildValue("(n)", arg); |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
563 if (!arglist) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
564 return -1; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
565 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
566 |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
567 result = PyEval_CallObject(filter, arglist); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
568 Py_DECREF(arglist); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
569 if (!result) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
570 return -1; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
571 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
572 |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
573 /* PyObject_IsTrue returns 1 if true, 0 if false, -1 if error, |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
574 * same as this function, so we can just return it directly.*/ |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
575 isfiltered = PyObject_IsTrue(result); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
576 Py_DECREF(result); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
577 return isfiltered; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
578 } else { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
579 return 0; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
580 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
581 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
582 |
24443
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
583 static inline void set_phase_from_parents(char *phases, int parent_1, |
24499
90db70de6f9c
parsers.c: avoid implicit conversion loses integer warnings
André Sintzoff <andre.sintzoff@gmail.com>
parents:
24443
diff
changeset
|
584 int parent_2, Py_ssize_t i) |
24443
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
585 { |
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
586 if (parent_1 >= 0 && phases[parent_1] > phases[i]) |
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
587 phases[i] = phases[parent_1]; |
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
588 if (parent_2 >= 0 && phases[parent_2] > phases[i]) |
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
589 phases[i] = phases[parent_2]; |
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
590 } |
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
591 |
26053
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
592 static PyObject *reachableroots2(indexObject *self, PyObject *args) |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
593 { |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
594 |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
595 /* Input */ |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
596 long minroot; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
597 PyObject *includepatharg = NULL; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
598 int includepath = 0; |
26053
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
599 /* heads and roots are lists */ |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
600 PyObject *heads = NULL; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
601 PyObject *roots = NULL; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
602 PyObject *reachable = NULL; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
603 |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
604 PyObject *val; |
38851
781b2720d2ac
index: don't include nullid in len()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38850
diff
changeset
|
605 Py_ssize_t len = index_length(self); |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
606 long revnum; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
607 Py_ssize_t k; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
608 Py_ssize_t i; |
26042
2a3010ba6f52
reachableroots: give anonymous name to short-lived "numheads" variable
Yuya Nishihara <yuya@tcha.org>
parents:
26041
diff
changeset
|
609 Py_ssize_t l; |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
610 int r; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
611 int parents[2]; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
612 |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
613 /* Internal data structure: |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
614 * tovisit: array of length len+1 (all revs + nullrev), filled upto |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
615 * lentovisit |
40561
5c14bf0c5be3
revlog: add blank line in comment to help clang-format
Augie Fackler <augie@google.com>
parents:
40560
diff
changeset
|
616 * |
26044
b3ad349d0e50
reachableroots: extend "revstates" to array of bit flags
Yuya Nishihara <yuya@tcha.org>
parents:
26043
diff
changeset
|
617 * revstates: array of length len+1 (all revs + nullrev) */ |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
618 int *tovisit = NULL; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
619 long lentovisit = 0; |
26054
5049e10fed14
reachableroots: use internal "revstates" array to test if rev is reachable
Yuya Nishihara <yuya@tcha.org>
parents:
26053
diff
changeset
|
620 enum { RS_SEEN = 1, RS_ROOT = 2, RS_REACHABLE = 4 }; |
26043
f2f0a3ab6e41
reachableroots: rename "seen" array to "revstates" for future extension
Yuya Nishihara <yuya@tcha.org>
parents:
26042
diff
changeset
|
621 char *revstates = NULL; |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
622 |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
623 /* Get arguments */ |
26009
bbb698697efc
reachableroots: fix transposition of set and list types in PyArg_ParseTuple
Augie Fackler <augie@google.com>
parents:
26008
diff
changeset
|
624 if (!PyArg_ParseTuple(args, "lO!O!O!", &minroot, &PyList_Type, &heads, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
625 &PyList_Type, &roots, &PyBool_Type, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
626 &includepatharg)) |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
627 goto bail; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
628 |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
629 if (includepatharg == Py_True) |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
630 includepath = 1; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
631 |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
632 /* Initialize return set */ |
26055
607868eccaa7
reachableroots: return list of revisions instead of set
Yuya Nishihara <yuya@tcha.org>
parents:
26054
diff
changeset
|
633 reachable = PyList_New(0); |
607868eccaa7
reachableroots: return list of revisions instead of set
Yuya Nishihara <yuya@tcha.org>
parents:
26054
diff
changeset
|
634 if (reachable == NULL) |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
635 goto bail; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
636 |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
637 /* Initialize internal datastructures */ |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
638 tovisit = (int *)malloc((len + 1) * sizeof(int)); |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
639 if (tovisit == NULL) { |
26008
59d57ea69ae6
reachableroots: consistently use short-form of PyErr_NoMemory()
Augie Fackler <augie@google.com>
parents:
26007
diff
changeset
|
640 PyErr_NoMemory(); |
26016
c8d41c9c23c7
reachableroots: unify bail cases to raise exception correctly
Yuya Nishihara <yuya@tcha.org>
parents:
26015
diff
changeset
|
641 goto bail; |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
642 } |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
643 |
26043
f2f0a3ab6e41
reachableroots: rename "seen" array to "revstates" for future extension
Yuya Nishihara <yuya@tcha.org>
parents:
26042
diff
changeset
|
644 revstates = (char *)calloc(len + 1, 1); |
f2f0a3ab6e41
reachableroots: rename "seen" array to "revstates" for future extension
Yuya Nishihara <yuya@tcha.org>
parents:
26042
diff
changeset
|
645 if (revstates == NULL) { |
26008
59d57ea69ae6
reachableroots: consistently use short-form of PyErr_NoMemory()
Augie Fackler <augie@google.com>
parents:
26007
diff
changeset
|
646 PyErr_NoMemory(); |
26016
c8d41c9c23c7
reachableroots: unify bail cases to raise exception correctly
Yuya Nishihara <yuya@tcha.org>
parents:
26015
diff
changeset
|
647 goto bail; |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
648 } |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
649 |
26053
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
650 l = PyList_GET_SIZE(roots); |
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
651 for (i = 0; i < l; i++) { |
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
652 revnum = PyInt_AsLong(PyList_GET_ITEM(roots, i)); |
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
653 if (revnum == -1 && PyErr_Occurred()) |
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
654 goto bail; |
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
655 /* If root is out of range, e.g. wdir(), it must be unreachable |
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
656 * from heads. So we can just ignore it. */ |
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
657 if (revnum + 1 < 0 || revnum + 1 >= len + 1) |
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
658 continue; |
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
659 revstates[revnum + 1] |= RS_ROOT; |
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
660 } |
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
661 |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
662 /* Populate tovisit with all the heads */ |
26042
2a3010ba6f52
reachableroots: give anonymous name to short-lived "numheads" variable
Yuya Nishihara <yuya@tcha.org>
parents:
26041
diff
changeset
|
663 l = PyList_GET_SIZE(heads); |
2a3010ba6f52
reachableroots: give anonymous name to short-lived "numheads" variable
Yuya Nishihara <yuya@tcha.org>
parents:
26041
diff
changeset
|
664 for (i = 0; i < l; i++) { |
26018
c6115c30a376
reachableroots: verify type of each item of heads argument
Yuya Nishihara <yuya@tcha.org>
parents:
26017
diff
changeset
|
665 revnum = PyInt_AsLong(PyList_GET_ITEM(heads, i)); |
c6115c30a376
reachableroots: verify type of each item of heads argument
Yuya Nishihara <yuya@tcha.org>
parents:
26017
diff
changeset
|
666 if (revnum == -1 && PyErr_Occurred()) |
c6115c30a376
reachableroots: verify type of each item of heads argument
Yuya Nishihara <yuya@tcha.org>
parents:
26017
diff
changeset
|
667 goto bail; |
26017
44705659da94
reachableroots: verify integer range of heads argument (issue4775)
Yuya Nishihara <yuya@tcha.org>
parents:
26016
diff
changeset
|
668 if (revnum + 1 < 0 || revnum + 1 >= len + 1) { |
44705659da94
reachableroots: verify integer range of heads argument (issue4775)
Yuya Nishihara <yuya@tcha.org>
parents:
26016
diff
changeset
|
669 PyErr_SetString(PyExc_IndexError, "head out of range"); |
44705659da94
reachableroots: verify integer range of heads argument (issue4775)
Yuya Nishihara <yuya@tcha.org>
parents:
26016
diff
changeset
|
670 goto bail; |
44705659da94
reachableroots: verify integer range of heads argument (issue4775)
Yuya Nishihara <yuya@tcha.org>
parents:
26016
diff
changeset
|
671 } |
26044
b3ad349d0e50
reachableroots: extend "revstates" to array of bit flags
Yuya Nishihara <yuya@tcha.org>
parents:
26043
diff
changeset
|
672 if (!(revstates[revnum + 1] & RS_SEEN)) { |
26080
83c9edcac05c
reachableroots: silence warning of implicit integer narrowing issued by clang
Yuya Nishihara <yuya@tcha.org>
parents:
26079
diff
changeset
|
673 tovisit[lentovisit++] = (int)revnum; |
26044
b3ad349d0e50
reachableroots: extend "revstates" to array of bit flags
Yuya Nishihara <yuya@tcha.org>
parents:
26043
diff
changeset
|
674 revstates[revnum + 1] |= RS_SEEN; |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
675 } |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
676 } |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
677 |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
678 /* Visit the tovisit list and find the reachable roots */ |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
679 k = 0; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
680 while (k < lentovisit) { |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
681 /* Add the node to reachable if it is a root*/ |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
682 revnum = tovisit[k++]; |
26053
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
683 if (revstates[revnum + 1] & RS_ROOT) { |
26054
5049e10fed14
reachableroots: use internal "revstates" array to test if rev is reachable
Yuya Nishihara <yuya@tcha.org>
parents:
26053
diff
changeset
|
684 revstates[revnum + 1] |= RS_REACHABLE; |
26053
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
685 val = PyInt_FromLong(revnum); |
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
686 if (val == NULL) |
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
687 goto bail; |
26058
e7fe0a12376c
reachableroots: handle error of PyList_Append()
Yuya Nishihara <yuya@tcha.org>
parents:
26055
diff
changeset
|
688 r = PyList_Append(reachable, val); |
26053
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
689 Py_DECREF(val); |
26058
e7fe0a12376c
reachableroots: handle error of PyList_Append()
Yuya Nishihara <yuya@tcha.org>
parents:
26055
diff
changeset
|
690 if (r < 0) |
e7fe0a12376c
reachableroots: handle error of PyList_Append()
Yuya Nishihara <yuya@tcha.org>
parents:
26055
diff
changeset
|
691 goto bail; |
26053
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26052
diff
changeset
|
692 if (includepath == 0) |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
693 continue; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
694 } |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
695 |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
696 /* Add its parents to the list of nodes to visit */ |
40960
43974cd44967
revlog: introduce a constant for nullrev in `revlog.c`
Boris Feld <boris.feld@octobus.net>
parents:
40862
diff
changeset
|
697 if (revnum == nullrev) |
26041
8da628be211b
reachableroots: reduce nesting level by jumping to next iteration by continue
Yuya Nishihara <yuya@tcha.org>
parents:
26033
diff
changeset
|
698 continue; |
8da628be211b
reachableroots: reduce nesting level by jumping to next iteration by continue
Yuya Nishihara <yuya@tcha.org>
parents:
26033
diff
changeset
|
699 r = index_get_parents(self, revnum, parents, (int)len - 1); |
8da628be211b
reachableroots: reduce nesting level by jumping to next iteration by continue
Yuya Nishihara <yuya@tcha.org>
parents:
26033
diff
changeset
|
700 if (r < 0) |
8da628be211b
reachableroots: reduce nesting level by jumping to next iteration by continue
Yuya Nishihara <yuya@tcha.org>
parents:
26033
diff
changeset
|
701 goto bail; |
8da628be211b
reachableroots: reduce nesting level by jumping to next iteration by continue
Yuya Nishihara <yuya@tcha.org>
parents:
26033
diff
changeset
|
702 for (i = 0; i < 2; i++) { |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
703 if (!(revstates[parents[i] + 1] & RS_SEEN) && |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
704 parents[i] >= minroot) { |
26041
8da628be211b
reachableroots: reduce nesting level by jumping to next iteration by continue
Yuya Nishihara <yuya@tcha.org>
parents:
26033
diff
changeset
|
705 tovisit[lentovisit++] = parents[i]; |
26044
b3ad349d0e50
reachableroots: extend "revstates" to array of bit flags
Yuya Nishihara <yuya@tcha.org>
parents:
26043
diff
changeset
|
706 revstates[parents[i] + 1] |= RS_SEEN; |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
707 } |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
708 } |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
709 } |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
710 |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
711 /* Find all the nodes in between the roots we found and the heads |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
712 * and add them to the reachable set */ |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
713 if (includepath == 1) { |
26080
83c9edcac05c
reachableroots: silence warning of implicit integer narrowing issued by clang
Yuya Nishihara <yuya@tcha.org>
parents:
26079
diff
changeset
|
714 long minidx = minroot; |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
715 if (minidx < 0) |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
716 minidx = 0; |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
717 for (i = minidx; i < len; i++) { |
26044
b3ad349d0e50
reachableroots: extend "revstates" to array of bit flags
Yuya Nishihara <yuya@tcha.org>
parents:
26043
diff
changeset
|
718 if (!(revstates[i + 1] & RS_SEEN)) |
26041
8da628be211b
reachableroots: reduce nesting level by jumping to next iteration by continue
Yuya Nishihara <yuya@tcha.org>
parents:
26033
diff
changeset
|
719 continue; |
8da628be211b
reachableroots: reduce nesting level by jumping to next iteration by continue
Yuya Nishihara <yuya@tcha.org>
parents:
26033
diff
changeset
|
720 r = index_get_parents(self, i, parents, (int)len - 1); |
8da628be211b
reachableroots: reduce nesting level by jumping to next iteration by continue
Yuya Nishihara <yuya@tcha.org>
parents:
26033
diff
changeset
|
721 /* Corrupted index file, error is set from |
8da628be211b
reachableroots: reduce nesting level by jumping to next iteration by continue
Yuya Nishihara <yuya@tcha.org>
parents:
26033
diff
changeset
|
722 * index_get_parents */ |
8da628be211b
reachableroots: reduce nesting level by jumping to next iteration by continue
Yuya Nishihara <yuya@tcha.org>
parents:
26033
diff
changeset
|
723 if (r < 0) |
8da628be211b
reachableroots: reduce nesting level by jumping to next iteration by continue
Yuya Nishihara <yuya@tcha.org>
parents:
26033
diff
changeset
|
724 goto bail; |
26059
8779ce81ea80
reachableroots: unroll loop that checks if one of parents is reachable
Yuya Nishihara <yuya@tcha.org>
parents:
26058
diff
changeset
|
725 if (((revstates[parents[0] + 1] | |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
726 revstates[parents[1] + 1]) & |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
727 RS_REACHABLE) && |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
728 !(revstates[i + 1] & RS_REACHABLE)) { |
26059
8779ce81ea80
reachableroots: unroll loop that checks if one of parents is reachable
Yuya Nishihara <yuya@tcha.org>
parents:
26058
diff
changeset
|
729 revstates[i + 1] |= RS_REACHABLE; |
39074
acd23830bcd6
cext: fix most truncation warnings in revlog on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents:
39073
diff
changeset
|
730 val = PyInt_FromSsize_t(i); |
26059
8779ce81ea80
reachableroots: unroll loop that checks if one of parents is reachable
Yuya Nishihara <yuya@tcha.org>
parents:
26058
diff
changeset
|
731 if (val == NULL) |
8779ce81ea80
reachableroots: unroll loop that checks if one of parents is reachable
Yuya Nishihara <yuya@tcha.org>
parents:
26058
diff
changeset
|
732 goto bail; |
8779ce81ea80
reachableroots: unroll loop that checks if one of parents is reachable
Yuya Nishihara <yuya@tcha.org>
parents:
26058
diff
changeset
|
733 r = PyList_Append(reachable, val); |
8779ce81ea80
reachableroots: unroll loop that checks if one of parents is reachable
Yuya Nishihara <yuya@tcha.org>
parents:
26058
diff
changeset
|
734 Py_DECREF(val); |
8779ce81ea80
reachableroots: unroll loop that checks if one of parents is reachable
Yuya Nishihara <yuya@tcha.org>
parents:
26058
diff
changeset
|
735 if (r < 0) |
8779ce81ea80
reachableroots: unroll loop that checks if one of parents is reachable
Yuya Nishihara <yuya@tcha.org>
parents:
26058
diff
changeset
|
736 goto bail; |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
737 } |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
738 } |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
739 } |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
740 |
26043
f2f0a3ab6e41
reachableroots: rename "seen" array to "revstates" for future extension
Yuya Nishihara <yuya@tcha.org>
parents:
26042
diff
changeset
|
741 free(revstates); |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
742 free(tovisit); |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
743 return reachable; |
26016
c8d41c9c23c7
reachableroots: unify bail cases to raise exception correctly
Yuya Nishihara <yuya@tcha.org>
parents:
26015
diff
changeset
|
744 bail: |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
745 Py_XDECREF(reachable); |
26043
f2f0a3ab6e41
reachableroots: rename "seen" array to "revstates" for future extension
Yuya Nishihara <yuya@tcha.org>
parents:
26042
diff
changeset
|
746 free(revstates); |
26016
c8d41c9c23c7
reachableroots: unify bail cases to raise exception correctly
Yuya Nishihara <yuya@tcha.org>
parents:
26015
diff
changeset
|
747 free(tovisit); |
26010
2c03e521a0c5
reachableroots: return NULL if we're throwing an exception
Augie Fackler <augie@google.com>
parents:
26009
diff
changeset
|
748 return NULL; |
26004
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
749 } |
ff89383a97db
reachableroots: add a C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
25911
diff
changeset
|
750 |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
751 static int add_roots_get_min(indexObject *self, PyObject *roots, char *phases, |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
752 char phase) |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
753 { |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
754 Py_ssize_t len = index_length(self); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
755 PyObject *item; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
756 PyObject *iterator; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
757 int rev, minrev = -1; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
758 char *node; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
759 |
45175
211063648b29
phases: fix error return with no exception from computephases()
Yuya Nishihara <yuya@tcha.org>
parents:
45173
diff
changeset
|
760 if (!PySet_Check(roots)) { |
211063648b29
phases: fix error return with no exception from computephases()
Yuya Nishihara <yuya@tcha.org>
parents:
45173
diff
changeset
|
761 PyErr_SetString(PyExc_TypeError, |
211063648b29
phases: fix error return with no exception from computephases()
Yuya Nishihara <yuya@tcha.org>
parents:
45173
diff
changeset
|
762 "roots must be a set of nodes"); |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
763 return -2; |
45175
211063648b29
phases: fix error return with no exception from computephases()
Yuya Nishihara <yuya@tcha.org>
parents:
45173
diff
changeset
|
764 } |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
765 iterator = PyObject_GetIter(roots); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
766 if (iterator == NULL) |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
767 return -2; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
768 while ((item = PyIter_Next(iterator))) { |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
769 if (node_check(item, &node) == -1) |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
770 goto failed; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
771 rev = index_find_node(self, node, 20); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
772 /* null is implicitly public, so negative is invalid */ |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
773 if (rev < 0 || rev >= len) |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
774 goto failed; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
775 phases[rev] = phase; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
776 if (minrev == -1 || minrev > rev) |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
777 minrev = rev; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
778 Py_DECREF(item); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
779 } |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
780 Py_DECREF(iterator); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
781 return minrev; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
782 failed: |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
783 Py_DECREF(iterator); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
784 Py_DECREF(item); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
785 return -2; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
786 } |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
787 |
25190
22438cfd11b5
phases: add set per phase in C phase computation
Laurent Charignon <lcharignon@fb.com>
parents:
24879
diff
changeset
|
788 static PyObject *compute_phases_map_sets(indexObject *self, PyObject *args) |
24443
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
789 { |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
790 /* 0: public (untracked), 1: draft, 2: secret, 32: archive, |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
791 96: internal */ |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
792 static const char trackedphases[] = {1, 2, 32, 96}; |
25190
22438cfd11b5
phases: add set per phase in C phase computation
Laurent Charignon <lcharignon@fb.com>
parents:
24879
diff
changeset
|
793 PyObject *ret = NULL; |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
794 PyObject *roots = Py_None; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
795 PyObject *pyphase = NULL; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
796 PyObject *pyrev = NULL; |
24443
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
797 PyObject *phaseroots = NULL; |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
798 PyObject *phasessize = NULL; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
799 PyObject *phasesets[4] = {NULL, NULL, NULL, NULL}; |
38851
781b2720d2ac
index: don't include nullid in len()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38850
diff
changeset
|
800 Py_ssize_t len = index_length(self); |
24443
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
801 char *phases = NULL; |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
802 int minphaserev = -1, rev, i; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
803 const int numphases = (int)(sizeof(phasesets) / sizeof(phasesets[0])); |
24443
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
804 |
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
805 if (!PyArg_ParseTuple(args, "O", &roots)) |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
806 return NULL; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
807 if (roots == NULL || !PyDict_Check(roots)) { |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
808 PyErr_SetString(PyExc_TypeError, "roots must be a dictionary"); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
809 return NULL; |
36623
a472a897c340
cext: fix computephasesmapsets() not to return without setting an exception
Yuya Nishihara <yuya@tcha.org>
parents:
36621
diff
changeset
|
810 } |
24443
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
811 |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
812 phases = calloc(len, 1); |
27364
ad1cc1435b13
parsers: simplify error logic in compute_phases_map_sets
Bryan O'Sullivan <bos@serpentine.com>
parents:
27341
diff
changeset
|
813 if (phases == NULL) { |
ad1cc1435b13
parsers: simplify error logic in compute_phases_map_sets
Bryan O'Sullivan <bos@serpentine.com>
parents:
27341
diff
changeset
|
814 PyErr_NoMemory(); |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
815 return NULL; |
27364
ad1cc1435b13
parsers: simplify error logic in compute_phases_map_sets
Bryan O'Sullivan <bos@serpentine.com>
parents:
27341
diff
changeset
|
816 } |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
817 |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
818 for (i = 0; i < numphases; ++i) { |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
819 pyphase = PyInt_FromLong(trackedphases[i]); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
820 if (pyphase == NULL) |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
821 goto release; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
822 phaseroots = PyDict_GetItem(roots, pyphase); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
823 Py_DECREF(pyphase); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
824 if (phaseroots == NULL) |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
825 continue; |
45176
3264d58e8b06
phases: fix clang-format error
Yuya Nishihara <yuya@tcha.org>
parents:
45175
diff
changeset
|
826 rev = add_roots_get_min(self, phaseroots, phases, |
3264d58e8b06
phases: fix clang-format error
Yuya Nishihara <yuya@tcha.org>
parents:
45175
diff
changeset
|
827 trackedphases[i]); |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
828 phaseroots = NULL; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
829 if (rev == -2) |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
830 goto release; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
831 if (rev != -1 && (minphaserev == -1 || rev < minphaserev)) |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
832 minphaserev = rev; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
833 } |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
834 |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
835 for (i = 0; i < numphases; ++i) { |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
836 phasesets[i] = PySet_New(NULL); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
837 if (phasesets[i] == NULL) |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
838 goto release; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
839 } |
25190
22438cfd11b5
phases: add set per phase in C phase computation
Laurent Charignon <lcharignon@fb.com>
parents:
24879
diff
changeset
|
840 |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
841 if (minphaserev == -1) |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
842 minphaserev = len; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
843 for (rev = minphaserev; rev < len; ++rev) { |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
844 int parents[2]; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
845 /* |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
846 * The parent lookup could be skipped for phaseroots, but |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
847 * phase --force would historically not recompute them |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
848 * correctly, leaving descendents with a lower phase around. |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
849 * As such, unconditionally recompute the phase. |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
850 */ |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
851 if (index_get_parents(self, rev, parents, (int)len - 1) < 0) |
27364
ad1cc1435b13
parsers: simplify error logic in compute_phases_map_sets
Bryan O'Sullivan <bos@serpentine.com>
parents:
27341
diff
changeset
|
852 goto release; |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
853 set_phase_from_parents(phases, parents[0], parents[1], rev); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
854 switch (phases[rev]) { |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
855 case 0: |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
856 continue; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
857 case 1: |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
858 pyphase = phasesets[0]; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
859 break; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
860 case 2: |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
861 pyphase = phasesets[1]; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
862 break; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
863 case 32: |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
864 pyphase = phasesets[2]; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
865 break; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
866 case 96: |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
867 pyphase = phasesets[3]; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
868 break; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
869 default: |
45177
03332e5f67e9
phases: make sure an exception should be set on error return
Yuya Nishihara <yuya@tcha.org>
parents:
45176
diff
changeset
|
870 /* this should never happen since the phase number is |
03332e5f67e9
phases: make sure an exception should be set on error return
Yuya Nishihara <yuya@tcha.org>
parents:
45176
diff
changeset
|
871 * specified by this function. */ |
03332e5f67e9
phases: make sure an exception should be set on error return
Yuya Nishihara <yuya@tcha.org>
parents:
45176
diff
changeset
|
872 PyErr_SetString(PyExc_SystemError, |
03332e5f67e9
phases: make sure an exception should be set on error return
Yuya Nishihara <yuya@tcha.org>
parents:
45176
diff
changeset
|
873 "bad phase number in internal list"); |
27364
ad1cc1435b13
parsers: simplify error logic in compute_phases_map_sets
Bryan O'Sullivan <bos@serpentine.com>
parents:
27341
diff
changeset
|
874 goto release; |
36623
a472a897c340
cext: fix computephasesmapsets() not to return without setting an exception
Yuya Nishihara <yuya@tcha.org>
parents:
36621
diff
changeset
|
875 } |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
876 pyrev = PyInt_FromLong(rev); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
877 if (pyrev == NULL) |
27364
ad1cc1435b13
parsers: simplify error logic in compute_phases_map_sets
Bryan O'Sullivan <bos@serpentine.com>
parents:
27341
diff
changeset
|
878 goto release; |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
879 if (PySet_Add(pyphase, pyrev) == -1) { |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
880 Py_DECREF(pyrev); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
881 goto release; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
882 } |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
883 Py_DECREF(pyrev); |
24443
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
884 } |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
885 phaseroots = _dict_new_presized(numphases); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
886 if (phaseroots == NULL) |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
887 goto release; |
45141
9719e118e4af
cext: remove unused variables
Joerg Sonnenberger <joerg@bec.de>
parents:
45131
diff
changeset
|
888 for (i = 0; i < numphases; ++i) { |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
889 pyphase = PyInt_FromLong(trackedphases[i]); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
890 if (pyphase == NULL) |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
891 goto release; |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
892 if (PyDict_SetItem(phaseroots, pyphase, phasesets[i]) == -1) { |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
893 Py_DECREF(pyphase); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
894 goto release; |
24443
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
895 } |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
896 Py_DECREF(phasesets[i]); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
897 phasesets[i] = NULL; |
24443
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
898 } |
39074
acd23830bcd6
cext: fix most truncation warnings in revlog on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents:
39073
diff
changeset
|
899 phasessize = PyInt_FromSsize_t(len); |
35309
d13526333835
phases: drop the list with phase of each rev, always comput phase sets
Joerg Sonnenberger <joerg@bec.de>
parents:
34861
diff
changeset
|
900 if (phasessize == NULL) |
27364
ad1cc1435b13
parsers: simplify error logic in compute_phases_map_sets
Bryan O'Sullivan <bos@serpentine.com>
parents:
27341
diff
changeset
|
901 goto release; |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
902 |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
903 ret = PyTuple_Pack(2, phasessize, phaseroots); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
904 Py_DECREF(phasessize); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
905 Py_DECREF(phaseroots); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
906 return ret; |
25190
22438cfd11b5
phases: add set per phase in C phase computation
Laurent Charignon <lcharignon@fb.com>
parents:
24879
diff
changeset
|
907 |
27364
ad1cc1435b13
parsers: simplify error logic in compute_phases_map_sets
Bryan O'Sullivan <bos@serpentine.com>
parents:
27341
diff
changeset
|
908 release: |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
909 for (i = 0; i < numphases; ++i) |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
910 Py_XDECREF(phasesets[i]); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
911 Py_XDECREF(phaseroots); |
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
912 |
24443
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
913 free(phases); |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
44587
diff
changeset
|
914 return NULL; |
24443
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
915 } |
539b3c7eea44
phase: compute phases in C
Laurent Charignon <lcharignon@fb.com>
parents:
24214
diff
changeset
|
916 |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
917 static PyObject *index_headrevs(indexObject *self, PyObject *args) |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
918 { |
25297
3966e39fea98
changelog: fix bug in heads computation
Laurent Charignon <lcharignon@fb.com>
parents:
25296
diff
changeset
|
919 Py_ssize_t i, j, len; |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
920 char *nothead = NULL; |
22540
9a860ac8c216
parsers: fix uninitialize variable warning
David Soria Parra <davidsp@fb.com>
parents:
22484
diff
changeset
|
921 PyObject *heads = NULL; |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
922 PyObject *filter = NULL; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
923 PyObject *filteredrevs = Py_None; |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
924 |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
925 if (!PyArg_ParseTuple(args, "|O", &filteredrevs)) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
926 return NULL; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
927 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
928 |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
929 if (self->headrevs && filteredrevs == self->filteredrevs) |
16787
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
930 return list_copy(self->headrevs); |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
931 |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
932 Py_DECREF(self->filteredrevs); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
933 self->filteredrevs = filteredrevs; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
934 Py_INCREF(filteredrevs); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
935 |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
936 if (filteredrevs != Py_None) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
937 filter = PyObject_GetAttrString(filteredrevs, "__contains__"); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
938 if (!filter) { |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
939 PyErr_SetString( |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
940 PyExc_TypeError, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
941 "filteredrevs has no attribute __contains__"); |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
942 goto bail; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
943 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
944 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
945 |
38851
781b2720d2ac
index: don't include nullid in len()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38850
diff
changeset
|
946 len = index_length(self); |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
947 heads = PyList_New(0); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
948 if (heads == NULL) |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
949 goto bail; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
950 if (len == 0) { |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
951 PyObject *nullid = PyInt_FromLong(-1); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
952 if (nullid == NULL || PyList_Append(heads, nullid) == -1) { |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
953 Py_XDECREF(nullid); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
954 goto bail; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
955 } |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
956 goto done; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
957 } |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
958 |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
959 nothead = calloc(len, 1); |
27366
7e8a883da171
parsers: add a missed PyErr_NoMemory
Bryan O'Sullivan <bos@serpentine.com>
parents:
27365
diff
changeset
|
960 if (nothead == NULL) { |
7e8a883da171
parsers: add a missed PyErr_NoMemory
Bryan O'Sullivan <bos@serpentine.com>
parents:
27365
diff
changeset
|
961 PyErr_NoMemory(); |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
962 goto bail; |
27366
7e8a883da171
parsers: add a missed PyErr_NoMemory
Bryan O'Sullivan <bos@serpentine.com>
parents:
27365
diff
changeset
|
963 } |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
964 |
28386
1c658391b22f
parsers: optimize filtered headrevs logic
Durham Goode <durham@fb.com>
parents:
27638
diff
changeset
|
965 for (i = len - 1; i >= 0; i--) { |
25297
3966e39fea98
changelog: fix bug in heads computation
Laurent Charignon <lcharignon@fb.com>
parents:
25296
diff
changeset
|
966 int isfiltered; |
3966e39fea98
changelog: fix bug in heads computation
Laurent Charignon <lcharignon@fb.com>
parents:
25296
diff
changeset
|
967 int parents[2]; |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
968 |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
969 /* If nothead[i] == 1, it means we've seen an unfiltered child |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
970 * of this node already, and therefore this node is not |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
971 * filtered. So we can skip the expensive check_filter step. |
28386
1c658391b22f
parsers: optimize filtered headrevs logic
Durham Goode <durham@fb.com>
parents:
27638
diff
changeset
|
972 */ |
1c658391b22f
parsers: optimize filtered headrevs logic
Durham Goode <durham@fb.com>
parents:
27638
diff
changeset
|
973 if (nothead[i] != 1) { |
1c658391b22f
parsers: optimize filtered headrevs logic
Durham Goode <durham@fb.com>
parents:
27638
diff
changeset
|
974 isfiltered = check_filter(filter, i); |
1c658391b22f
parsers: optimize filtered headrevs logic
Durham Goode <durham@fb.com>
parents:
27638
diff
changeset
|
975 if (isfiltered == -1) { |
1c658391b22f
parsers: optimize filtered headrevs logic
Durham Goode <durham@fb.com>
parents:
27638
diff
changeset
|
976 PyErr_SetString(PyExc_TypeError, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
977 "unable to check filter"); |
28386
1c658391b22f
parsers: optimize filtered headrevs logic
Durham Goode <durham@fb.com>
parents:
27638
diff
changeset
|
978 goto bail; |
1c658391b22f
parsers: optimize filtered headrevs logic
Durham Goode <durham@fb.com>
parents:
27638
diff
changeset
|
979 } |
1c658391b22f
parsers: optimize filtered headrevs logic
Durham Goode <durham@fb.com>
parents:
27638
diff
changeset
|
980 |
1c658391b22f
parsers: optimize filtered headrevs logic
Durham Goode <durham@fb.com>
parents:
27638
diff
changeset
|
981 if (isfiltered) { |
1c658391b22f
parsers: optimize filtered headrevs logic
Durham Goode <durham@fb.com>
parents:
27638
diff
changeset
|
982 nothead[i] = 1; |
1c658391b22f
parsers: optimize filtered headrevs logic
Durham Goode <durham@fb.com>
parents:
27638
diff
changeset
|
983 continue; |
1c658391b22f
parsers: optimize filtered headrevs logic
Durham Goode <durham@fb.com>
parents:
27638
diff
changeset
|
984 } |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
985 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
986 |
25860
895f04955a49
parsers: silence warning of implicit integer conversion issued by clang
Yuya Nishihara <yuya@tcha.org>
parents:
25810
diff
changeset
|
987 if (index_get_parents(self, i, parents, (int)len - 1) < 0) |
25810
82d6a35cf432
parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents:
25584
diff
changeset
|
988 goto bail; |
25297
3966e39fea98
changelog: fix bug in heads computation
Laurent Charignon <lcharignon@fb.com>
parents:
25296
diff
changeset
|
989 for (j = 0; j < 2; j++) { |
3966e39fea98
changelog: fix bug in heads computation
Laurent Charignon <lcharignon@fb.com>
parents:
25296
diff
changeset
|
990 if (parents[j] >= 0) |
3966e39fea98
changelog: fix bug in heads computation
Laurent Charignon <lcharignon@fb.com>
parents:
25296
diff
changeset
|
991 nothead[parents[j]] = 1; |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
992 } |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
993 } |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
994 |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
995 for (i = 0; i < len; i++) { |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
996 PyObject *head; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
997 |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
998 if (nothead[i]) |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
999 continue; |
22400
888bc106de83
parsers: fix typing issue when constructing Python integer object
Henrik Stuart <hg@hstuart.dk>
parents:
22399
diff
changeset
|
1000 head = PyInt_FromSsize_t(i); |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1001 if (head == NULL || PyList_Append(heads, head) == -1) { |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1002 Py_XDECREF(head); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1003 goto bail; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1004 } |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1005 } |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1006 |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1007 done: |
16787
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
1008 self->headrevs = heads; |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
1009 Py_XDECREF(filter); |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1010 free(nothead); |
16787
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
1011 return list_copy(self->headrevs); |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1012 bail: |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
1013 Py_XDECREF(filter); |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1014 Py_XDECREF(heads); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1015 free(nothead); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1016 return NULL; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1017 } |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1018 |
33174
f4f52bb362e6
revlog: address review feedback for deltachain C implementation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33171
diff
changeset
|
1019 /** |
f4f52bb362e6
revlog: address review feedback for deltachain C implementation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33171
diff
changeset
|
1020 * Obtain the base revision index entry. |
f4f52bb362e6
revlog: address review feedback for deltachain C implementation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33171
diff
changeset
|
1021 * |
f4f52bb362e6
revlog: address review feedback for deltachain C implementation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33171
diff
changeset
|
1022 * Callers must ensure that rev >= 0 or illegal memory access may occur. |
f4f52bb362e6
revlog: address review feedback for deltachain C implementation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33171
diff
changeset
|
1023 */ |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1024 static inline int index_baserev(indexObject *self, int rev) |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1025 { |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1026 const char *data; |
41018
f4113489e4d4
revlog: catch revlog corruption in index_baserev
Boris Feld <boris.feld@octobus.net>
parents:
40813
diff
changeset
|
1027 int result; |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1028 |
39068
52e9bf215f96
index: don't include nullid in the internal "length" field
Martin von Zweigbergk <martinvonz@google.com>
parents:
38944
diff
changeset
|
1029 if (rev >= self->length) { |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1030 PyObject *tuple = |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1031 PyList_GET_ITEM(self->added, rev - self->length); |
40598
fa33196088c4
revlog: replace PyInt_AS_LONG with a more portable helper function
Augie Fackler <augie@google.com>
parents:
40562
diff
changeset
|
1032 long ret; |
fa33196088c4
revlog: replace PyInt_AS_LONG with a more portable helper function
Augie Fackler <augie@google.com>
parents:
40562
diff
changeset
|
1033 if (!pylong_to_long(PyTuple_GET_ITEM(tuple, 3), &ret)) { |
fa33196088c4
revlog: replace PyInt_AS_LONG with a more portable helper function
Augie Fackler <augie@google.com>
parents:
40562
diff
changeset
|
1034 return -2; |
fa33196088c4
revlog: replace PyInt_AS_LONG with a more portable helper function
Augie Fackler <augie@google.com>
parents:
40562
diff
changeset
|
1035 } |
41078 | 1036 result = (int)ret; |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1037 } else { |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1038 data = index_deref(self, rev); |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1039 if (data == NULL) { |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1040 return -2; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1041 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1042 |
41018
f4113489e4d4
revlog: catch revlog corruption in index_baserev
Boris Feld <boris.feld@octobus.net>
parents:
40813
diff
changeset
|
1043 result = getbe32(data + 16); |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1044 } |
41018
f4113489e4d4
revlog: catch revlog corruption in index_baserev
Boris Feld <boris.feld@octobus.net>
parents:
40813
diff
changeset
|
1045 if (result > rev) { |
f4113489e4d4
revlog: catch revlog corruption in index_baserev
Boris Feld <boris.feld@octobus.net>
parents:
40813
diff
changeset
|
1046 PyErr_Format( |
f4113489e4d4
revlog: catch revlog corruption in index_baserev
Boris Feld <boris.feld@octobus.net>
parents:
40813
diff
changeset
|
1047 PyExc_ValueError, |
f4113489e4d4
revlog: catch revlog corruption in index_baserev
Boris Feld <boris.feld@octobus.net>
parents:
40813
diff
changeset
|
1048 "corrupted revlog, revision base above revision: %d, %d", |
f4113489e4d4
revlog: catch revlog corruption in index_baserev
Boris Feld <boris.feld@octobus.net>
parents:
40813
diff
changeset
|
1049 rev, result); |
f4113489e4d4
revlog: catch revlog corruption in index_baserev
Boris Feld <boris.feld@octobus.net>
parents:
40813
diff
changeset
|
1050 return -2; |
f4113489e4d4
revlog: catch revlog corruption in index_baserev
Boris Feld <boris.feld@octobus.net>
parents:
40813
diff
changeset
|
1051 } |
41019
7542466b94e2
revlog: cache delta base value under -1
Boris Feld <boris.feld@octobus.net>
parents:
41018
diff
changeset
|
1052 if (result < -1) { |
7542466b94e2
revlog: cache delta base value under -1
Boris Feld <boris.feld@octobus.net>
parents:
41018
diff
changeset
|
1053 PyErr_Format( |
7542466b94e2
revlog: cache delta base value under -1
Boris Feld <boris.feld@octobus.net>
parents:
41018
diff
changeset
|
1054 PyExc_ValueError, |
41283
4948b327d3b9
cext: clang-format new code coming from stable branch
Yuya Nishihara <yuya@tcha.org>
parents:
41129
diff
changeset
|
1055 "corrupted revlog, revision base out of range: %d, %d", rev, |
4948b327d3b9
cext: clang-format new code coming from stable branch
Yuya Nishihara <yuya@tcha.org>
parents:
41129
diff
changeset
|
1056 result); |
41019
7542466b94e2
revlog: cache delta base value under -1
Boris Feld <boris.feld@octobus.net>
parents:
41018
diff
changeset
|
1057 return -2; |
7542466b94e2
revlog: cache delta base value under -1
Boris Feld <boris.feld@octobus.net>
parents:
41018
diff
changeset
|
1058 } |
41018
f4113489e4d4
revlog: catch revlog corruption in index_baserev
Boris Feld <boris.feld@octobus.net>
parents:
40813
diff
changeset
|
1059 return result; |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1060 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1061 |
41085
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1062 /** |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1063 * Find if a revision is a snapshot or not |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1064 * |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1065 * Only relevant for sparse-revlog case. |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1066 * Callers must ensure that rev is in a valid range. |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1067 */ |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1068 static int index_issnapshotrev(indexObject *self, Py_ssize_t rev) |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1069 { |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1070 int ps[2]; |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1071 Py_ssize_t base; |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1072 while (rev >= 0) { |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1073 base = (Py_ssize_t)index_baserev(self, rev); |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1074 if (base == rev) { |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1075 base = -1; |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1076 } |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1077 if (base == -2) { |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1078 assert(PyErr_Occurred()); |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1079 return -1; |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1080 } |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1081 if (base == -1) { |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1082 return 1; |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1083 } |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1084 if (index_get_parents(self, rev, ps, (int)rev) < 0) { |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1085 assert(PyErr_Occurred()); |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1086 return -1; |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1087 }; |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1088 if (base == ps[0] || base == ps[1]) { |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1089 return 0; |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1090 } |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1091 rev = base; |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1092 } |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1093 return rev == -1; |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1094 } |
a6556b09bf83
revlog: add a native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41078
diff
changeset
|
1095 |
41086
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1096 static PyObject *index_issnapshot(indexObject *self, PyObject *value) |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1097 { |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1098 long rev; |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1099 int issnap; |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1100 Py_ssize_t length = index_length(self); |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1101 |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1102 if (!pylong_to_long(value, &rev)) { |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1103 return NULL; |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1104 } |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1105 if (rev < -1 || rev >= length) { |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1106 PyErr_Format(PyExc_ValueError, "revlog index out of range: %ld", |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1107 rev); |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1108 return NULL; |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1109 }; |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1110 issnap = index_issnapshotrev(self, (Py_ssize_t)rev); |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1111 if (issnap < 0) { |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1112 return NULL; |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1113 }; |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1114 return PyBool_FromLong((long)issnap); |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1115 } |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
1116 |
41108
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1117 static PyObject *index_findsnapshots(indexObject *self, PyObject *args) |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1118 { |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1119 Py_ssize_t start_rev; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1120 PyObject *cache; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1121 Py_ssize_t base; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1122 Py_ssize_t rev; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1123 PyObject *key = NULL; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1124 PyObject *value = NULL; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1125 const Py_ssize_t length = index_length(self); |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1126 if (!PyArg_ParseTuple(args, "O!n", &PyDict_Type, &cache, &start_rev)) { |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1127 return NULL; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1128 } |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1129 for (rev = start_rev; rev < length; rev++) { |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1130 int issnap; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1131 PyObject *allvalues = NULL; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1132 issnap = index_issnapshotrev(self, rev); |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1133 if (issnap < 0) { |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1134 goto bail; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1135 } |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1136 if (issnap == 0) { |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1137 continue; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1138 } |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1139 base = (Py_ssize_t)index_baserev(self, rev); |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1140 if (base == rev) { |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1141 base = -1; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1142 } |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1143 if (base == -2) { |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1144 assert(PyErr_Occurred()); |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1145 goto bail; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1146 } |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1147 key = PyInt_FromSsize_t(base); |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1148 allvalues = PyDict_GetItem(cache, key); |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1149 if (allvalues == NULL && PyErr_Occurred()) { |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1150 goto bail; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1151 } |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1152 if (allvalues == NULL) { |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1153 int r; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1154 allvalues = PyList_New(0); |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1155 if (!allvalues) { |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1156 goto bail; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1157 } |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1158 r = PyDict_SetItem(cache, key, allvalues); |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1159 Py_DECREF(allvalues); |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1160 if (r < 0) { |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1161 goto bail; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1162 } |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1163 } |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1164 value = PyInt_FromSsize_t(rev); |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1165 if (PyList_Append(allvalues, value)) { |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1166 goto bail; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1167 } |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1168 Py_CLEAR(key); |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1169 Py_CLEAR(value); |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1170 } |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1171 Py_RETURN_NONE; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1172 bail: |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1173 Py_XDECREF(key); |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1174 Py_XDECREF(value); |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1175 return NULL; |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1176 } |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
1177 |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1178 static PyObject *index_deltachain(indexObject *self, PyObject *args) |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1179 { |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1180 int rev, generaldelta; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1181 PyObject *stoparg; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1182 int stoprev, iterrev, baserev = -1; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1183 int stopped; |
33174
f4f52bb362e6
revlog: address review feedback for deltachain C implementation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33171
diff
changeset
|
1184 PyObject *chain = NULL, *result = NULL; |
38868
0db50770f388
index: don't add 1 to length variables
Martin von Zweigbergk <martinvonz@google.com>
parents:
38867
diff
changeset
|
1185 const Py_ssize_t length = index_length(self); |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1186 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1187 if (!PyArg_ParseTuple(args, "iOi", &rev, &stoparg, &generaldelta)) { |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1188 return NULL; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1189 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1190 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1191 if (PyInt_Check(stoparg)) { |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1192 stoprev = (int)PyInt_AsLong(stoparg); |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1193 if (stoprev == -1 && PyErr_Occurred()) { |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1194 return NULL; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1195 } |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1196 } else if (stoparg == Py_None) { |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1197 stoprev = -2; |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1198 } else { |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1199 PyErr_SetString(PyExc_ValueError, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1200 "stoprev must be integer or None"); |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1201 return NULL; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1202 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1203 |
38868
0db50770f388
index: don't add 1 to length variables
Martin von Zweigbergk <martinvonz@google.com>
parents:
38867
diff
changeset
|
1204 if (rev < 0 || rev >= length) { |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1205 PyErr_SetString(PyExc_ValueError, "revlog index out of range"); |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1206 return NULL; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1207 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1208 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1209 chain = PyList_New(0); |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1210 if (chain == NULL) { |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1211 return NULL; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1212 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1213 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1214 baserev = index_baserev(self, rev); |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1215 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1216 /* This should never happen. */ |
33174
f4f52bb362e6
revlog: address review feedback for deltachain C implementation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33171
diff
changeset
|
1217 if (baserev <= -2) { |
f4f52bb362e6
revlog: address review feedback for deltachain C implementation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33171
diff
changeset
|
1218 /* Error should be set by index_deref() */ |
f4f52bb362e6
revlog: address review feedback for deltachain C implementation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33171
diff
changeset
|
1219 assert(PyErr_Occurred()); |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1220 goto bail; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1221 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1222 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1223 iterrev = rev; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1224 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1225 while (iterrev != baserev && iterrev != stoprev) { |
33174
f4f52bb362e6
revlog: address review feedback for deltachain C implementation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33171
diff
changeset
|
1226 PyObject *value = PyInt_FromLong(iterrev); |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1227 if (value == NULL) { |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1228 goto bail; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1229 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1230 if (PyList_Append(chain, value)) { |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1231 Py_DECREF(value); |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1232 goto bail; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1233 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1234 Py_DECREF(value); |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1235 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1236 if (generaldelta) { |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1237 iterrev = baserev; |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1238 } else { |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1239 iterrev--; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1240 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1241 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1242 if (iterrev < 0) { |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1243 break; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1244 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1245 |
38868
0db50770f388
index: don't add 1 to length variables
Martin von Zweigbergk <martinvonz@google.com>
parents:
38867
diff
changeset
|
1246 if (iterrev >= length) { |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1247 PyErr_SetString(PyExc_IndexError, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1248 "revision outside index"); |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1249 return NULL; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1250 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1251 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1252 baserev = index_baserev(self, iterrev); |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1253 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1254 /* This should never happen. */ |
33174
f4f52bb362e6
revlog: address review feedback for deltachain C implementation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33171
diff
changeset
|
1255 if (baserev <= -2) { |
f4f52bb362e6
revlog: address review feedback for deltachain C implementation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33171
diff
changeset
|
1256 /* Error should be set by index_deref() */ |
f4f52bb362e6
revlog: address review feedback for deltachain C implementation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33171
diff
changeset
|
1257 assert(PyErr_Occurred()); |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1258 goto bail; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1259 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1260 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1261 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1262 if (iterrev == stoprev) { |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1263 stopped = 1; |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1264 } else { |
33174
f4f52bb362e6
revlog: address review feedback for deltachain C implementation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33171
diff
changeset
|
1265 PyObject *value = PyInt_FromLong(iterrev); |
33171
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1266 if (value == NULL) { |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1267 goto bail; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1268 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1269 if (PyList_Append(chain, value)) { |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1270 Py_DECREF(value); |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1271 goto bail; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1272 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1273 Py_DECREF(value); |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1274 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1275 stopped = 0; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1276 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1277 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1278 if (PyList_Reverse(chain)) { |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1279 goto bail; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1280 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1281 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1282 result = Py_BuildValue("OO", chain, stopped ? Py_True : Py_False); |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1283 Py_DECREF(chain); |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1284 return result; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1285 |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1286 bail: |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1287 Py_DECREF(chain); |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1288 return NULL; |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1289 } |
6d678ab1b10d
revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32384
diff
changeset
|
1290 |
40705
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1291 static inline int64_t |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1292 index_segment_span(indexObject *self, Py_ssize_t start_rev, Py_ssize_t end_rev) |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1293 { |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1294 int64_t start_offset; |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1295 int64_t end_offset; |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1296 int end_size; |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1297 start_offset = index_get_start(self, start_rev); |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1298 if (start_offset < 0) { |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1299 return -1; |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1300 } |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1301 end_offset = index_get_start(self, end_rev); |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1302 if (end_offset < 0) { |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1303 return -1; |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1304 } |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1305 end_size = index_get_length(self, end_rev); |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1306 if (end_size < 0) { |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1307 return -1; |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1308 } |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1309 if (end_offset < start_offset) { |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1310 PyErr_Format(PyExc_ValueError, |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1311 "corrupted revlog index: inconsistent offset " |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1312 "between revisions (%zd) and (%zd)", |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1313 start_rev, end_rev); |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1314 return -1; |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1315 } |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1316 return (end_offset - start_offset) + (int64_t)end_size; |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1317 } |
4ec6a24029d2
sparse-revlog: add a `index_segment_span` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40704
diff
changeset
|
1318 |
40742
8edca70dc951
revlog: update the documentation for `trim_endidx`
Boris Feld <boris.feld@octobus.net>
parents:
40741
diff
changeset
|
1319 /* returns endidx so that revs[startidx:endidx] has no empty trailing revs */ |
40706
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1320 static Py_ssize_t trim_endidx(indexObject *self, const Py_ssize_t *revs, |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1321 Py_ssize_t startidx, Py_ssize_t endidx) |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1322 { |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1323 int length; |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1324 while (endidx > 1 && endidx > startidx) { |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1325 length = index_get_length(self, revs[endidx - 1]); |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1326 if (length < 0) { |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1327 return -1; |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1328 } |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1329 if (length != 0) { |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1330 break; |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1331 } |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1332 endidx -= 1; |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1333 } |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1334 return endidx; |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1335 } |
0650be877a37
sparse-revlog: add a `trim_endidx` function in C
Boris Feld <boris.feld@octobus.net>
parents:
40705
diff
changeset
|
1336 |
40707
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1337 struct Gap { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1338 int64_t size; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1339 Py_ssize_t idx; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1340 }; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1341 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1342 static int gap_compare(const void *left, const void *right) |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1343 { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1344 const struct Gap *l_left = ((const struct Gap *)left); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1345 const struct Gap *l_right = ((const struct Gap *)right); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1346 if (l_left->size < l_right->size) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1347 return -1; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1348 } else if (l_left->size > l_right->size) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1349 return 1; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1350 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1351 return 0; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1352 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1353 static int Py_ssize_t_compare(const void *left, const void *right) |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1354 { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1355 const Py_ssize_t l_left = *(const Py_ssize_t *)left; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1356 const Py_ssize_t l_right = *(const Py_ssize_t *)right; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1357 if (l_left < l_right) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1358 return -1; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1359 } else if (l_left > l_right) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1360 return 1; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1361 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1362 return 0; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1363 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1364 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1365 static PyObject *index_slicechunktodensity(indexObject *self, PyObject *args) |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1366 { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1367 /* method arguments */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1368 PyObject *list_revs = NULL; /* revisions in the chain */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1369 double targetdensity = 0; /* min density to achieve */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1370 Py_ssize_t mingapsize = 0; /* threshold to ignore gaps */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1371 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1372 /* other core variables */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1373 Py_ssize_t idxlen = index_length(self); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1374 Py_ssize_t i; /* used for various iteration */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1375 PyObject *result = NULL; /* the final return of the function */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1376 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1377 /* generic information about the delta chain being slice */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1378 Py_ssize_t num_revs = 0; /* size of the full delta chain */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1379 Py_ssize_t *revs = NULL; /* native array of revision in the chain */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1380 int64_t chainpayload = 0; /* sum of all delta in the chain */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1381 int64_t deltachainspan = 0; /* distance from first byte to last byte */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1382 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1383 /* variable used for slicing the delta chain */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1384 int64_t readdata = 0; /* amount of data currently planned to be read */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1385 double density = 0; /* ration of payload data compared to read ones */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1386 int64_t previous_end; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1387 struct Gap *gaps = NULL; /* array of notable gap in the chain */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1388 Py_ssize_t num_gaps = |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1389 0; /* total number of notable gap recorded so far */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1390 Py_ssize_t *selected_indices = NULL; /* indices of gap skipped over */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1391 Py_ssize_t num_selected = 0; /* number of gaps skipped */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1392 PyObject *chunk = NULL; /* individual slice */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1393 PyObject *allchunks = NULL; /* all slices */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1394 Py_ssize_t previdx; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1395 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1396 /* parsing argument */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1397 if (!PyArg_ParseTuple(args, "O!dn", &PyList_Type, &list_revs, |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1398 &targetdensity, &mingapsize)) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1399 goto bail; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1400 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1401 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1402 /* If the delta chain contains a single element, we do not need slicing |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1403 */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1404 num_revs = PyList_GET_SIZE(list_revs); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1405 if (num_revs <= 1) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1406 result = PyTuple_Pack(1, list_revs); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1407 goto done; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1408 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1409 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1410 /* Turn the python list into a native integer array (for efficiency) */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1411 revs = (Py_ssize_t *)calloc(num_revs, sizeof(Py_ssize_t)); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1412 if (revs == NULL) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1413 PyErr_NoMemory(); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1414 goto bail; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1415 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1416 for (i = 0; i < num_revs; i++) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1417 Py_ssize_t revnum = PyInt_AsLong(PyList_GET_ITEM(list_revs, i)); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1418 if (revnum == -1 && PyErr_Occurred()) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1419 goto bail; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1420 } |
40963
2e305e54eae3
sparse-revlog: protect C code against delta chain including nullrev
Boris Feld <boris.feld@octobus.net>
parents:
40962
diff
changeset
|
1421 if (revnum < nullrev || revnum >= idxlen) { |
40756
c85964d715fd
sparse: raise a move verbose index error from the C code
Boris Feld <boris.feld@octobus.net>
parents:
40742
diff
changeset
|
1422 PyErr_Format(PyExc_IndexError, |
c85964d715fd
sparse: raise a move verbose index error from the C code
Boris Feld <boris.feld@octobus.net>
parents:
40742
diff
changeset
|
1423 "index out of range: %zd", revnum); |
40707
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1424 goto bail; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1425 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1426 revs[i] = revnum; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1427 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1428 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1429 /* Compute and check various property of the unsliced delta chain */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1430 deltachainspan = index_segment_span(self, revs[0], revs[num_revs - 1]); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1431 if (deltachainspan < 0) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1432 goto bail; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1433 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1434 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1435 if (deltachainspan <= mingapsize) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1436 result = PyTuple_Pack(1, list_revs); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1437 goto done; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1438 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1439 chainpayload = 0; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1440 for (i = 0; i < num_revs; i++) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1441 int tmp = index_get_length(self, revs[i]); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1442 if (tmp < 0) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1443 goto bail; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1444 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1445 chainpayload += tmp; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1446 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1447 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1448 readdata = deltachainspan; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1449 density = 1.0; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1450 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1451 if (0 < deltachainspan) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1452 density = (double)chainpayload / (double)deltachainspan; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1453 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1454 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1455 if (density >= targetdensity) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1456 result = PyTuple_Pack(1, list_revs); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1457 goto done; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1458 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1459 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1460 /* if chain is too sparse, look for relevant gaps */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1461 gaps = (struct Gap *)calloc(num_revs, sizeof(struct Gap)); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1462 if (gaps == NULL) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1463 PyErr_NoMemory(); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1464 goto bail; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1465 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1466 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1467 previous_end = -1; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1468 for (i = 0; i < num_revs; i++) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1469 int64_t revstart; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1470 int revsize; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1471 revstart = index_get_start(self, revs[i]); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1472 if (revstart < 0) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1473 goto bail; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1474 }; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1475 revsize = index_get_length(self, revs[i]); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1476 if (revsize < 0) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1477 goto bail; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1478 }; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1479 if (revsize == 0) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1480 continue; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1481 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1482 if (previous_end >= 0) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1483 int64_t gapsize = revstart - previous_end; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1484 if (gapsize > mingapsize) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1485 gaps[num_gaps].size = gapsize; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1486 gaps[num_gaps].idx = i; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1487 num_gaps += 1; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1488 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1489 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1490 previous_end = revstart + revsize; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1491 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1492 if (num_gaps == 0) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1493 result = PyTuple_Pack(1, list_revs); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1494 goto done; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1495 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1496 qsort(gaps, num_gaps, sizeof(struct Gap), &gap_compare); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1497 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1498 /* Slice the largest gap first, they improve the density the most */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1499 selected_indices = |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1500 (Py_ssize_t *)malloc((num_gaps + 1) * sizeof(Py_ssize_t)); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1501 if (selected_indices == NULL) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1502 PyErr_NoMemory(); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1503 goto bail; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1504 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1505 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1506 for (i = num_gaps - 1; i >= 0; i--) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1507 selected_indices[num_selected] = gaps[i].idx; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1508 readdata -= gaps[i].size; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1509 num_selected += 1; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1510 if (readdata <= 0) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1511 density = 1.0; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1512 } else { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1513 density = (double)chainpayload / (double)readdata; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1514 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1515 if (density >= targetdensity) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1516 break; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1517 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1518 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1519 qsort(selected_indices, num_selected, sizeof(Py_ssize_t), |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1520 &Py_ssize_t_compare); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1521 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1522 /* create the resulting slice */ |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1523 allchunks = PyList_New(0); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1524 if (allchunks == NULL) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1525 goto bail; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1526 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1527 previdx = 0; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1528 selected_indices[num_selected] = num_revs; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1529 for (i = 0; i <= num_selected; i++) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1530 Py_ssize_t idx = selected_indices[i]; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1531 Py_ssize_t endidx = trim_endidx(self, revs, previdx, idx); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1532 if (endidx < 0) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1533 goto bail; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1534 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1535 if (previdx < endidx) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1536 chunk = PyList_GetSlice(list_revs, previdx, endidx); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1537 if (chunk == NULL) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1538 goto bail; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1539 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1540 if (PyList_Append(allchunks, chunk) == -1) { |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1541 goto bail; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1542 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1543 Py_DECREF(chunk); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1544 chunk = NULL; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1545 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1546 previdx = idx; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1547 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1548 result = allchunks; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1549 goto done; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1550 |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1551 bail: |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1552 Py_XDECREF(allchunks); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1553 Py_XDECREF(chunk); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1554 done: |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1555 free(revs); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1556 free(gaps); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1557 free(selected_indices); |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1558 return result; |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1559 } |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
1560 |
16618
6bae941b58ad
parsers: change the type of nt_level
Bryan O'Sullivan <bryano@fb.com>
parents:
16617
diff
changeset
|
1561 static inline int nt_level(const char *node, Py_ssize_t level) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1562 { |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1563 int v = node[level >> 1]; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1564 if (!(level & 1)) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1565 v >>= 4; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1566 return v & 0xf; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1567 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1568 |
16616
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1569 /* |
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1570 * Return values: |
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1571 * |
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1572 * -4: match is ambiguous (multiple candidates) |
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1573 * -2: not found |
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1574 * rest: valid rev |
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1575 */ |
38940
b6fb71a0a005
index: make most "nt_*" functions take a nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38939
diff
changeset
|
1576 static int nt_find(nodetree *self, const char *node, Py_ssize_t nodelen, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1577 int hex) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1578 { |
16663 | 1579 int (*getnybble)(const char *, Py_ssize_t) = hex ? hexdigit : nt_level; |
16641
e6dfbc5df76f
parsers: use the correct maximum radix tree depth
Bryan O'Sullivan <bryano@fb.com>
parents:
16604
diff
changeset
|
1580 int level, maxlevel, off; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1581 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1582 if (nodelen == 20 && node[0] == '\0' && memcmp(node, nullid, 20) == 0) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1583 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1584 |
16663 | 1585 if (hex) |
16665
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1586 maxlevel = nodelen > 40 ? 40 : (int)nodelen; |
16663 | 1587 else |
1588 maxlevel = nodelen > 20 ? 40 : ((int)nodelen * 2); | |
16641
e6dfbc5df76f
parsers: use the correct maximum radix tree depth
Bryan O'Sullivan <bryano@fb.com>
parents:
16604
diff
changeset
|
1589 |
e6dfbc5df76f
parsers: use the correct maximum radix tree depth
Bryan O'Sullivan <bryano@fb.com>
parents:
16604
diff
changeset
|
1590 for (level = off = 0; level < maxlevel; level++) { |
16663 | 1591 int k = getnybble(node, level); |
38940
b6fb71a0a005
index: make most "nt_*" functions take a nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38939
diff
changeset
|
1592 nodetreenode *n = &self->nodes[off]; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1593 int v = n->children[k]; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1594 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1595 if (v < 0) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1596 const char *n; |
16663 | 1597 Py_ssize_t i; |
1598 | |
38846
f738c502e43b
index: store nullrev as -1 in nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38845
diff
changeset
|
1599 v = -(v + 2); |
38940
b6fb71a0a005
index: make most "nt_*" functions take a nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38939
diff
changeset
|
1600 n = index_node(self->index, v); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1601 if (n == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1602 return -2; |
16663 | 1603 for (i = level; i < maxlevel; i++) |
1604 if (getnybble(node, i) != nt_level(n, i)) | |
1605 return -2; | |
1606 return v; | |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1607 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1608 if (v == 0) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1609 return -2; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1610 off = v; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1611 } |
16616
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1612 /* multiple matches against an ambiguous prefix */ |
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1613 return -4; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1614 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1615 |
38915
fff675dfb80b
index: pass only nodetree to nt_new()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38914
diff
changeset
|
1616 static int nt_new(nodetree *self) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1617 { |
38915
fff675dfb80b
index: pass only nodetree to nt_new()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38914
diff
changeset
|
1618 if (self->length == self->capacity) { |
38938
dcd395dc98d8
index: remove side-effect from failed nt_new()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38937
diff
changeset
|
1619 unsigned newcapacity; |
dcd395dc98d8
index: remove side-effect from failed nt_new()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38937
diff
changeset
|
1620 nodetreenode *newnodes; |
39071
06ff7ea4f440
index: avoid duplicating capacity-growth expression
Martin von Zweigbergk <martinvonz@google.com>
parents:
39070
diff
changeset
|
1621 newcapacity = self->capacity * 2; |
06ff7ea4f440
index: avoid duplicating capacity-growth expression
Martin von Zweigbergk <martinvonz@google.com>
parents:
39070
diff
changeset
|
1622 if (newcapacity >= INT_MAX / sizeof(nodetreenode)) { |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1623 PyErr_SetString(PyExc_MemoryError, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1624 "overflow in nt_new"); |
24623
2262d7bc469e
parsers: check for memory allocation overflows more carefully
Bryan O'Sullivan <bryano@fb.com>
parents:
24622
diff
changeset
|
1625 return -1; |
2262d7bc469e
parsers: check for memory allocation overflows more carefully
Bryan O'Sullivan <bryano@fb.com>
parents:
24622
diff
changeset
|
1626 } |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1627 newnodes = |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1628 realloc(self->nodes, newcapacity * sizeof(nodetreenode)); |
38938
dcd395dc98d8
index: remove side-effect from failed nt_new()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38937
diff
changeset
|
1629 if (newnodes == NULL) { |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1630 PyErr_SetString(PyExc_MemoryError, "out of memory"); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1631 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1632 } |
38938
dcd395dc98d8
index: remove side-effect from failed nt_new()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38937
diff
changeset
|
1633 self->capacity = newcapacity; |
dcd395dc98d8
index: remove side-effect from failed nt_new()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38937
diff
changeset
|
1634 self->nodes = newnodes; |
38915
fff675dfb80b
index: pass only nodetree to nt_new()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38914
diff
changeset
|
1635 memset(&self->nodes[self->length], 0, |
fff675dfb80b
index: pass only nodetree to nt_new()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38914
diff
changeset
|
1636 sizeof(nodetreenode) * (self->capacity - self->length)); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1637 } |
38915
fff675dfb80b
index: pass only nodetree to nt_new()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38914
diff
changeset
|
1638 return self->length++; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1639 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1640 |
38940
b6fb71a0a005
index: make most "nt_*" functions take a nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38939
diff
changeset
|
1641 static int nt_insert(nodetree *self, const char *node, int rev) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1642 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1643 int level = 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1644 int off = 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1645 |
16641
e6dfbc5df76f
parsers: use the correct maximum radix tree depth
Bryan O'Sullivan <bryano@fb.com>
parents:
16604
diff
changeset
|
1646 while (level < 40) { |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1647 int k = nt_level(node, level); |
38912
d1bc0e7c862b
index: extract a type for the nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38911
diff
changeset
|
1648 nodetreenode *n; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1649 int v; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1650 |
38940
b6fb71a0a005
index: make most "nt_*" functions take a nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38939
diff
changeset
|
1651 n = &self->nodes[off]; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1652 v = n->children[k]; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1653 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1654 if (v == 0) { |
38846
f738c502e43b
index: store nullrev as -1 in nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38845
diff
changeset
|
1655 n->children[k] = -rev - 2; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1656 return 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1657 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1658 if (v < 0) { |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1659 const char *oldnode = |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1660 index_node_existing(self->index, -(v + 2)); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1661 int noff; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1662 |
37999
514605777244
revlog: handle errors from index_node() in nt_insert() and index_slice_del()
Martin von Zweigbergk <martinvonz@google.com>
parents:
37978
diff
changeset
|
1663 if (oldnode == NULL) |
514605777244
revlog: handle errors from index_node() in nt_insert() and index_slice_del()
Martin von Zweigbergk <martinvonz@google.com>
parents:
37978
diff
changeset
|
1664 return -1; |
514605777244
revlog: handle errors from index_node() in nt_insert() and index_slice_del()
Martin von Zweigbergk <martinvonz@google.com>
parents:
37978
diff
changeset
|
1665 if (!memcmp(oldnode, node, 20)) { |
38846
f738c502e43b
index: store nullrev as -1 in nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38845
diff
changeset
|
1666 n->children[k] = -rev - 2; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1667 return 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1668 } |
38940
b6fb71a0a005
index: make most "nt_*" functions take a nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38939
diff
changeset
|
1669 noff = nt_new(self); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1670 if (noff == -1) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1671 return -1; |
38940
b6fb71a0a005
index: make most "nt_*" functions take a nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38939
diff
changeset
|
1672 /* self->nodes may have been changed by realloc */ |
b6fb71a0a005
index: make most "nt_*" functions take a nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38939
diff
changeset
|
1673 self->nodes[off].children[k] = noff; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1674 off = noff; |
38940
b6fb71a0a005
index: make most "nt_*" functions take a nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38939
diff
changeset
|
1675 n = &self->nodes[off]; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1676 n->children[nt_level(oldnode, ++level)] = v; |
38940
b6fb71a0a005
index: make most "nt_*" functions take a nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38939
diff
changeset
|
1677 if (level > self->depth) |
b6fb71a0a005
index: make most "nt_*" functions take a nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38939
diff
changeset
|
1678 self->depth = level; |
b6fb71a0a005
index: make most "nt_*" functions take a nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38939
diff
changeset
|
1679 self->splits += 1; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1680 } else { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1681 level += 1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1682 off = v; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1683 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1684 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1685 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1686 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1687 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1688 |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
1689 static PyObject *ntobj_insert(nodetreeObject *self, PyObject *args) |
39226
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1690 { |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1691 Py_ssize_t rev; |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1692 const char *node; |
39227
42cc76d0f836
cext: fix revlog compiler error on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents:
39226
diff
changeset
|
1693 Py_ssize_t length; |
39226
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1694 if (!PyArg_ParseTuple(args, "n", &rev)) |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1695 return NULL; |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
1696 length = index_length(self->nt.index); |
39226
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1697 if (rev < 0 || rev >= length) { |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1698 PyErr_SetString(PyExc_ValueError, "revlog index out of range"); |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1699 return NULL; |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1700 } |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
1701 node = index_node_existing(self->nt.index, rev); |
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
1702 if (nt_insert(&self->nt, node, (int)rev) == -1) |
39226
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1703 return NULL; |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1704 Py_RETURN_NONE; |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1705 } |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1706 |
38940
b6fb71a0a005
index: make most "nt_*" functions take a nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38939
diff
changeset
|
1707 static int nt_delete_node(nodetree *self, const char *node) |
38845
f9fc59ea3135
index: create function for deleting node from nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38821
diff
changeset
|
1708 { |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1709 /* rev==-2 happens to get encoded as 0, which is interpreted as not set |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1710 */ |
38846
f738c502e43b
index: store nullrev as -1 in nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38845
diff
changeset
|
1711 return nt_insert(self, node, -2); |
38845
f9fc59ea3135
index: create function for deleting node from nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38821
diff
changeset
|
1712 } |
f9fc59ea3135
index: create function for deleting node from nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38821
diff
changeset
|
1713 |
38941
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
1714 static int nt_init(nodetree *self, indexObject *index, unsigned capacity) |
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
1715 { |
39225
fcaffbd7e635
index: fix a comment about overflow-checking
Martin von Zweigbergk <martinvonz@google.com>
parents:
39219
diff
changeset
|
1716 /* Initialize before overflow-checking to avoid nt_dealloc() crash. */ |
39218
b85b377e7fc2
index: make node tree a Python object
Martin von Zweigbergk <martinvonz@google.com>
parents:
39075
diff
changeset
|
1717 self->nodes = NULL; |
b85b377e7fc2
index: make node tree a Python object
Martin von Zweigbergk <martinvonz@google.com>
parents:
39075
diff
changeset
|
1718 |
38941
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
1719 self->index = index; |
39072
34eb999e29bf
index: make capacity argument to nt_init be measured in revisions
Martin von Zweigbergk <martinvonz@google.com>
parents:
39071
diff
changeset
|
1720 /* The input capacity is in terms of revisions, while the field is in |
34eb999e29bf
index: make capacity argument to nt_init be measured in revisions
Martin von Zweigbergk <martinvonz@google.com>
parents:
39071
diff
changeset
|
1721 * terms of nodetree nodes. */ |
34eb999e29bf
index: make capacity argument to nt_init be measured in revisions
Martin von Zweigbergk <martinvonz@google.com>
parents:
39071
diff
changeset
|
1722 self->capacity = (capacity < 4 ? 4 : capacity / 2); |
38941
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
1723 self->depth = 0; |
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
1724 self->splits = 0; |
39070
4dd92a15fcca
index: move check for too large capacity into nt_init()
Martin von Zweigbergk <martinvonz@google.com>
parents:
39069
diff
changeset
|
1725 if ((size_t)self->capacity > INT_MAX / sizeof(nodetreenode)) { |
4dd92a15fcca
index: move check for too large capacity into nt_init()
Martin von Zweigbergk <martinvonz@google.com>
parents:
39069
diff
changeset
|
1726 PyErr_SetString(PyExc_ValueError, "overflow in init_nt"); |
4dd92a15fcca
index: move check for too large capacity into nt_init()
Martin von Zweigbergk <martinvonz@google.com>
parents:
39069
diff
changeset
|
1727 return -1; |
4dd92a15fcca
index: move check for too large capacity into nt_init()
Martin von Zweigbergk <martinvonz@google.com>
parents:
39069
diff
changeset
|
1728 } |
38941
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
1729 self->nodes = calloc(self->capacity, sizeof(nodetreenode)); |
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
1730 if (self->nodes == NULL) { |
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
1731 PyErr_NoMemory(); |
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
1732 return -1; |
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
1733 } |
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
1734 self->length = 1; |
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
1735 return 0; |
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
1736 } |
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
1737 |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
1738 static int ntobj_init(nodetreeObject *self, PyObject *args) |
39218
b85b377e7fc2
index: make node tree a Python object
Martin von Zweigbergk <martinvonz@google.com>
parents:
39075
diff
changeset
|
1739 { |
b85b377e7fc2
index: make node tree a Python object
Martin von Zweigbergk <martinvonz@google.com>
parents:
39075
diff
changeset
|
1740 PyObject *index; |
b85b377e7fc2
index: make node tree a Python object
Martin von Zweigbergk <martinvonz@google.com>
parents:
39075
diff
changeset
|
1741 unsigned capacity; |
40860
18a8def6e1b5
revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol
Yuya Nishihara <yuya@tcha.org>
parents:
40859
diff
changeset
|
1742 if (!PyArg_ParseTuple(args, "O!I", &HgRevlogIndex_Type, &index, |
18a8def6e1b5
revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol
Yuya Nishihara <yuya@tcha.org>
parents:
40859
diff
changeset
|
1743 &capacity)) |
39218
b85b377e7fc2
index: make node tree a Python object
Martin von Zweigbergk <martinvonz@google.com>
parents:
39075
diff
changeset
|
1744 return -1; |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
1745 Py_INCREF(index); |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1746 return nt_init(&self->nt, (indexObject *)index, capacity); |
39218
b85b377e7fc2
index: make node tree a Python object
Martin von Zweigbergk <martinvonz@google.com>
parents:
39075
diff
changeset
|
1747 } |
b85b377e7fc2
index: make node tree a Python object
Martin von Zweigbergk <martinvonz@google.com>
parents:
39075
diff
changeset
|
1748 |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1749 static int nt_partialmatch(nodetree *self, const char *node, Py_ssize_t nodelen) |
38943
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1750 { |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1751 return nt_find(self, node, nodelen, 1); |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1752 } |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1753 |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1754 /* |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1755 * Find the length of the shortest unique prefix of node. |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1756 * |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1757 * Return values: |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1758 * |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1759 * -3: error (exception set) |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1760 * -2: not found (no exception set) |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1761 * rest: length of shortest prefix |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1762 */ |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1763 static int nt_shortest(nodetree *self, const char *node) |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1764 { |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1765 int level, off; |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1766 |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1767 for (level = off = 0; level < 40; level++) { |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1768 int k, v; |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1769 nodetreenode *n = &self->nodes[off]; |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1770 k = nt_level(node, level); |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1771 v = n->children[k]; |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1772 if (v < 0) { |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1773 const char *n; |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1774 v = -(v + 2); |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1775 n = index_node_existing(self->index, v); |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1776 if (n == NULL) |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1777 return -3; |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1778 if (memcmp(node, n, 20) != 0) |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1779 /* |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1780 * Found a unique prefix, but it wasn't for the |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1781 * requested node (i.e the requested node does |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1782 * not exist). |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1783 */ |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1784 return -2; |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1785 return level + 1; |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1786 } |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1787 if (v == 0) |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1788 return -2; |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1789 off = v; |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1790 } |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1791 /* |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1792 * The node was still not unique after 40 hex digits, so this won't |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1793 * happen. Also, if we get here, then there's a programming error in |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1794 * this file that made us insert a node longer than 40 hex digits. |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1795 */ |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1796 PyErr_SetString(PyExc_Exception, "broken node tree"); |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1797 return -3; |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1798 } |
2b89e20c450c
index: move all "nt_*" functions to one place
Martin von Zweigbergk <martinvonz@google.com>
parents:
38942
diff
changeset
|
1799 |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
1800 static PyObject *ntobj_shortest(nodetreeObject *self, PyObject *args) |
39226
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1801 { |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1802 PyObject *val; |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1803 char *node; |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1804 int length; |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
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parents:
39225
diff
changeset
|
1805 |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1806 if (!PyArg_ParseTuple(args, "O", &val)) |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1807 return NULL; |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1808 if (node_check(val, &node) == -1) |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1809 return NULL; |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
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parents:
39225
diff
changeset
|
1810 |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
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39228
diff
changeset
|
1811 length = nt_shortest(&self->nt, node); |
39226
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1812 if (length == -3) |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1813 return NULL; |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1814 if (length == -2) { |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1815 raise_revlog_error(); |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1816 return NULL; |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
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39225
diff
changeset
|
1817 } |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
parents:
39225
diff
changeset
|
1818 return PyInt_FromLong(length); |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
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39225
diff
changeset
|
1819 } |
7a759ad2d06d
shortest: use nodetree for finding shortest node within revset
Martin von Zweigbergk <martinvonz@google.com>
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39225
diff
changeset
|
1820 |
39218
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1821 static void nt_dealloc(nodetree *self) |
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1822 { |
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1823 free(self->nodes); |
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1824 self->nodes = NULL; |
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1825 } |
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1826 |
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1827 static void ntobj_dealloc(nodetreeObject *self) |
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1828 { |
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1829 Py_XDECREF(self->nt.index); |
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1830 nt_dealloc(&self->nt); |
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1831 PyObject_Del(self); |
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1832 } |
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1833 |
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1834 static PyMethodDef ntobj_methods[] = { |
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1835 {"insert", (PyCFunction)ntobj_insert, METH_VARARGS, |
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1836 "insert an index entry"}, |
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1837 {"shortest", (PyCFunction)ntobj_shortest, METH_VARARGS, |
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1838 "find length of shortest hex nodeid of a binary ID"}, |
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1839 {NULL} /* Sentinel */ |
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1840 }; |
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1841 |
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1842 static PyTypeObject nodetreeType = { |
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1843 PyVarObject_HEAD_INIT(NULL, 0) /* header */ |
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1844 "parsers.nodetree", /* tp_name */ |
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1845 sizeof(nodetreeObject), /* tp_basicsize */ |
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1846 0, /* tp_itemsize */ |
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1847 (destructor)ntobj_dealloc, /* tp_dealloc */ |
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1848 0, /* tp_print */ |
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1849 0, /* tp_getattr */ |
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1850 0, /* tp_setattr */ |
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1851 0, /* tp_compare */ |
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1852 0, /* tp_repr */ |
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1853 0, /* tp_as_number */ |
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1854 0, /* tp_as_sequence */ |
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1855 0, /* tp_as_mapping */ |
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1856 0, /* tp_hash */ |
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1857 0, /* tp_call */ |
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1858 0, /* tp_str */ |
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1859 0, /* tp_getattro */ |
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1860 0, /* tp_setattro */ |
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1861 0, /* tp_as_buffer */ |
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1862 Py_TPFLAGS_DEFAULT, /* tp_flags */ |
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1863 "nodetree", /* tp_doc */ |
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1864 0, /* tp_traverse */ |
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1865 0, /* tp_clear */ |
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1866 0, /* tp_richcompare */ |
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1867 0, /* tp_weaklistoffset */ |
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1868 0, /* tp_iter */ |
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1869 0, /* tp_iternext */ |
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1870 ntobj_methods, /* tp_methods */ |
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1871 0, /* tp_members */ |
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1872 0, /* tp_getset */ |
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1873 0, /* tp_base */ |
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1874 0, /* tp_dict */ |
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1875 0, /* tp_descr_get */ |
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1876 0, /* tp_descr_set */ |
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1877 0, /* tp_dictoffset */ |
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1878 (initproc)ntobj_init, /* tp_init */ |
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1879 0, /* tp_alloc */ |
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1880 }; |
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1881 |
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1882 static int index_init_nt(indexObject *self) |
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1883 { |
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1884 if (!self->ntinitialized) { |
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1885 if (nt_init(&self->nt, self, (int)self->raw_length) == -1) { |
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1886 nt_dealloc(&self->nt); |
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1887 return -1; |
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1888 } |
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1889 if (nt_insert(&self->nt, nullid, -1) == -1) { |
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1890 nt_dealloc(&self->nt); |
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1891 return -1; |
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1892 } |
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1893 self->ntinitialized = 1; |
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1894 self->ntrev = (int)index_length(self); |
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1895 self->ntlookups = 1; |
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1896 self->ntmisses = 0; |
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1897 } |
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1898 return 0; |
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1899 } |
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1900 |
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1901 /* |
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1902 * Return values: |
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1903 * |
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1904 * -3: error (exception set) |
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1905 * -2: not found (no exception set) |
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1906 * rest: valid rev |
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1907 */ |
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1908 static int index_find_node(indexObject *self, const char *node, |
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1909 Py_ssize_t nodelen) |
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1910 { |
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1911 int rev; |
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1912 |
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1913 if (index_init_nt(self) == -1) |
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1914 return -3; |
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1915 |
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1916 self->ntlookups++; |
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1917 rev = nt_find(&self->nt, node, nodelen, 0); |
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1918 if (rev >= -1) |
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1919 return rev; |
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1920 |
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1921 /* |
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1922 * For the first handful of lookups, we scan the entire index, |
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1923 * and cache only the matching nodes. This optimizes for cases |
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1924 * like "hg tip", where only a few nodes are accessed. |
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1925 * |
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1926 * After that, we cache every node we visit, using a single |
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1927 * scan amortized over multiple lookups. This gives the best |
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1928 * bulk performance, e.g. for "hg log". |
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1929 */ |
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1930 if (self->ntmisses++ < 4) { |
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1931 for (rev = self->ntrev - 1; rev >= 0; rev--) { |
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1932 const char *n = index_node_existing(self, rev); |
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1933 if (n == NULL) |
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37860
diff
changeset
|
1934 return -3; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1935 if (memcmp(node, n, nodelen > 20 ? 20 : nodelen) == 0) { |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
1936 if (nt_insert(&self->nt, n, rev) == -1) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1937 return -3; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1938 break; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1939 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1940 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1941 } else { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1942 for (rev = self->ntrev - 1; rev >= 0; rev--) { |
37861
a9d9802d577e
revlog: don't say "not found" on internal error
Martin von Zweigbergk <martinvonz@google.com>
parents:
37860
diff
changeset
|
1943 const char *n = index_node_existing(self, rev); |
a9d9802d577e
revlog: don't say "not found" on internal error
Martin von Zweigbergk <martinvonz@google.com>
parents:
37860
diff
changeset
|
1944 if (n == NULL) |
a9d9802d577e
revlog: don't say "not found" on internal error
Martin von Zweigbergk <martinvonz@google.com>
parents:
37860
diff
changeset
|
1945 return -3; |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
1946 if (nt_insert(&self->nt, n, rev) == -1) { |
16614
1d800eb9ba52
parsers: update ntrev when we stop scanning
Bryan O'Sullivan <bryano@fb.com>
parents:
16597
diff
changeset
|
1947 self->ntrev = rev + 1; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1948 return -3; |
16614
1d800eb9ba52
parsers: update ntrev when we stop scanning
Bryan O'Sullivan <bryano@fb.com>
parents:
16597
diff
changeset
|
1949 } |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1950 if (memcmp(node, n, nodelen > 20 ? 20 : nodelen) == 0) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1951 break; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1952 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1953 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1954 self->ntrev = rev; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1955 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1956 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1957 if (rev >= 0) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1958 return rev; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1959 return -2; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1960 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1961 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1962 static PyObject *index_getitem(indexObject *self, PyObject *value) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1963 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1964 char *node; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1965 int rev; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1966 |
40598
fa33196088c4
revlog: replace PyInt_AS_LONG with a more portable helper function
Augie Fackler <augie@google.com>
parents:
40562
diff
changeset
|
1967 if (PyInt_Check(value)) { |
fa33196088c4
revlog: replace PyInt_AS_LONG with a more portable helper function
Augie Fackler <augie@google.com>
parents:
40562
diff
changeset
|
1968 long idx; |
fa33196088c4
revlog: replace PyInt_AS_LONG with a more portable helper function
Augie Fackler <augie@google.com>
parents:
40562
diff
changeset
|
1969 if (!pylong_to_long(value, &idx)) { |
fa33196088c4
revlog: replace PyInt_AS_LONG with a more portable helper function
Augie Fackler <augie@google.com>
parents:
40562
diff
changeset
|
1970 return NULL; |
fa33196088c4
revlog: replace PyInt_AS_LONG with a more portable helper function
Augie Fackler <augie@google.com>
parents:
40562
diff
changeset
|
1971 } |
fa33196088c4
revlog: replace PyInt_AS_LONG with a more portable helper function
Augie Fackler <augie@google.com>
parents:
40562
diff
changeset
|
1972 return index_get(self, idx); |
fa33196088c4
revlog: replace PyInt_AS_LONG with a more portable helper function
Augie Fackler <augie@google.com>
parents:
40562
diff
changeset
|
1973 } |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1974 |
38819
49628742d264
revlog: remove unnecessary output parameter from node_check()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38305
diff
changeset
|
1975 if (node_check(value, &node) == -1) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1976 return NULL; |
38819
49628742d264
revlog: remove unnecessary output parameter from node_check()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38305
diff
changeset
|
1977 rev = index_find_node(self, node, 20); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1978 if (rev >= -1) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1979 return PyInt_FromLong(rev); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1980 if (rev == -2) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1981 raise_revlog_error(); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1982 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1983 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1984 |
37929
9c6d1d41b3e6
revlog: extract function for fully populating the radix tree
Martin von Zweigbergk <martinvonz@google.com>
parents:
37861
diff
changeset
|
1985 /* |
9c6d1d41b3e6
revlog: extract function for fully populating the radix tree
Martin von Zweigbergk <martinvonz@google.com>
parents:
37861
diff
changeset
|
1986 * Fully populate the radix tree. |
9c6d1d41b3e6
revlog: extract function for fully populating the radix tree
Martin von Zweigbergk <martinvonz@google.com>
parents:
37861
diff
changeset
|
1987 */ |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1988 static int index_populate_nt(indexObject *self) |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
1989 { |
37929
9c6d1d41b3e6
revlog: extract function for fully populating the radix tree
Martin von Zweigbergk <martinvonz@google.com>
parents:
37861
diff
changeset
|
1990 int rev; |
9c6d1d41b3e6
revlog: extract function for fully populating the radix tree
Martin von Zweigbergk <martinvonz@google.com>
parents:
37861
diff
changeset
|
1991 if (self->ntrev > 0) { |
9c6d1d41b3e6
revlog: extract function for fully populating the radix tree
Martin von Zweigbergk <martinvonz@google.com>
parents:
37861
diff
changeset
|
1992 for (rev = self->ntrev - 1; rev >= 0; rev--) { |
9c6d1d41b3e6
revlog: extract function for fully populating the radix tree
Martin von Zweigbergk <martinvonz@google.com>
parents:
37861
diff
changeset
|
1993 const char *n = index_node_existing(self, rev); |
9c6d1d41b3e6
revlog: extract function for fully populating the radix tree
Martin von Zweigbergk <martinvonz@google.com>
parents:
37861
diff
changeset
|
1994 if (n == NULL) |
9c6d1d41b3e6
revlog: extract function for fully populating the radix tree
Martin von Zweigbergk <martinvonz@google.com>
parents:
37861
diff
changeset
|
1995 return -1; |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
1996 if (nt_insert(&self->nt, n, rev) == -1) |
37929
9c6d1d41b3e6
revlog: extract function for fully populating the radix tree
Martin von Zweigbergk <martinvonz@google.com>
parents:
37861
diff
changeset
|
1997 return -1; |
9c6d1d41b3e6
revlog: extract function for fully populating the radix tree
Martin von Zweigbergk <martinvonz@google.com>
parents:
37861
diff
changeset
|
1998 } |
37930
892592475094
revlog: use literal -1 instead of variable that always has that value
Martin von Zweigbergk <martinvonz@google.com>
parents:
37929
diff
changeset
|
1999 self->ntrev = -1; |
37929
9c6d1d41b3e6
revlog: extract function for fully populating the radix tree
Martin von Zweigbergk <martinvonz@google.com>
parents:
37861
diff
changeset
|
2000 } |
9c6d1d41b3e6
revlog: extract function for fully populating the radix tree
Martin von Zweigbergk <martinvonz@google.com>
parents:
37861
diff
changeset
|
2001 return 0; |
9c6d1d41b3e6
revlog: extract function for fully populating the radix tree
Martin von Zweigbergk <martinvonz@google.com>
parents:
37861
diff
changeset
|
2002 } |
9c6d1d41b3e6
revlog: extract function for fully populating the radix tree
Martin von Zweigbergk <martinvonz@google.com>
parents:
37861
diff
changeset
|
2003 |
16665
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2004 static PyObject *index_partialmatch(indexObject *self, PyObject *args) |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2005 { |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2006 const char *fullnode; |
42067
b01bbb8ff1f2
cext: make revlog.c PY_SSIZE_T_CLEAN
Gregory Szorc <gregory.szorc@gmail.com>
parents:
41283
diff
changeset
|
2007 Py_ssize_t nodelen; |
16665
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2008 char *node; |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2009 int rev, i; |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2010 |
36620
186c6df3a373
py3: bulk-replace 'const char*' format specifier passed to PyArg_ParseTuple*()
Yuya Nishihara <yuya@tcha.org>
parents:
36619
diff
changeset
|
2011 if (!PyArg_ParseTuple(args, PY23("s#", "y#"), &node, &nodelen)) |
16665
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2012 return NULL; |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2013 |
37858
92ed344a9e64
revlog: use radix tree also for matching keys shorter than 4 hex digits
Martin von Zweigbergk <martinvonz@google.com>
parents:
36623
diff
changeset
|
2014 if (nodelen < 1) { |
16665
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2015 PyErr_SetString(PyExc_ValueError, "key too short"); |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2016 return NULL; |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2017 } |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2018 |
17353
bde1185f406c
revlog: don't try to partialmatch strings those length > 40
sorcerer
parents:
17165
diff
changeset
|
2019 if (nodelen > 40) { |
bde1185f406c
revlog: don't try to partialmatch strings those length > 40
sorcerer
parents:
17165
diff
changeset
|
2020 PyErr_SetString(PyExc_ValueError, "key too long"); |
bde1185f406c
revlog: don't try to partialmatch strings those length > 40
sorcerer
parents:
17165
diff
changeset
|
2021 return NULL; |
bde1185f406c
revlog: don't try to partialmatch strings those length > 40
sorcerer
parents:
17165
diff
changeset
|
2022 } |
16665
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2023 |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2024 for (i = 0; i < nodelen; i++) |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2025 hexdigit(node, i); |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2026 if (PyErr_Occurred()) { |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2027 /* input contains non-hex characters */ |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2028 PyErr_Clear(); |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2029 Py_RETURN_NONE; |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2030 } |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2031 |
38941
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
2032 if (index_init_nt(self) == -1) |
38911
2aa4f06c1e91
index: make "nt_*" functions work on an initialized nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38868
diff
changeset
|
2033 return NULL; |
38942
3e74c01102af
index: rename "nt_*(indexObject *self,...)" functions to "index_*"
Martin von Zweigbergk <martinvonz@google.com>
parents:
38941
diff
changeset
|
2034 if (index_populate_nt(self) == -1) |
38911
2aa4f06c1e91
index: make "nt_*" functions work on an initialized nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38868
diff
changeset
|
2035 return NULL; |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
2036 rev = nt_partialmatch(&self->nt, node, nodelen); |
16665
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2037 |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2038 switch (rev) { |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2039 case -4: |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2040 raise_revlog_error(); |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2041 return NULL; |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2042 case -2: |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2043 Py_RETURN_NONE; |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2044 case -1: |
30100
c5afe5531709
parsers: convert PyString* to PyBytes*
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30090
diff
changeset
|
2045 return PyBytes_FromStringAndSize(nullid, 20); |
16665
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2046 } |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2047 |
37860
a91f31a1e281
revlog: extract function for getting node from known-to-exist rev
Martin von Zweigbergk <martinvonz@google.com>
parents:
37858
diff
changeset
|
2048 fullnode = index_node_existing(self, rev); |
16665
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2049 if (fullnode == NULL) { |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2050 return NULL; |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2051 } |
30100
c5afe5531709
parsers: convert PyString* to PyBytes*
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30090
diff
changeset
|
2052 return PyBytes_FromStringAndSize(fullnode, 20); |
16665
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2053 } |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2054 |
37968
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2055 static PyObject *index_shortest(indexObject *self, PyObject *args) |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2056 { |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2057 PyObject *val; |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2058 char *node; |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2059 int length; |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2060 |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2061 if (!PyArg_ParseTuple(args, "O", &val)) |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2062 return NULL; |
38819
49628742d264
revlog: remove unnecessary output parameter from node_check()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38305
diff
changeset
|
2063 if (node_check(val, &node) == -1) |
37968
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2064 return NULL; |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2065 |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2066 self->ntlookups++; |
38941
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
2067 if (index_init_nt(self) == -1) |
38911
2aa4f06c1e91
index: make "nt_*" functions work on an initialized nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38868
diff
changeset
|
2068 return NULL; |
38942
3e74c01102af
index: rename "nt_*(indexObject *self,...)" functions to "index_*"
Martin von Zweigbergk <martinvonz@google.com>
parents:
38941
diff
changeset
|
2069 if (index_populate_nt(self) == -1) |
38911
2aa4f06c1e91
index: make "nt_*" functions work on an initialized nodetree
Martin von Zweigbergk <martinvonz@google.com>
parents:
38868
diff
changeset
|
2070 return NULL; |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
2071 length = nt_shortest(&self->nt, node); |
37968
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2072 if (length == -3) |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2073 return NULL; |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2074 if (length == -2) { |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2075 raise_revlog_error(); |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2076 return NULL; |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2077 } |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2078 return PyInt_FromLong(length); |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2079 } |
0304f22497fa
revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents:
37930
diff
changeset
|
2080 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2081 static PyObject *index_m_get(indexObject *self, PyObject *args) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2082 { |
16679
2950d186a927
parsers: strictly check for 20-byte hashes where they're required
Bryan O'Sullivan <bryano@fb.com>
parents:
16641
diff
changeset
|
2083 PyObject *val; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2084 char *node; |
16679
2950d186a927
parsers: strictly check for 20-byte hashes where they're required
Bryan O'Sullivan <bryano@fb.com>
parents:
16641
diff
changeset
|
2085 int rev; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2086 |
16679
2950d186a927
parsers: strictly check for 20-byte hashes where they're required
Bryan O'Sullivan <bryano@fb.com>
parents:
16641
diff
changeset
|
2087 if (!PyArg_ParseTuple(args, "O", &val)) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2088 return NULL; |
38819
49628742d264
revlog: remove unnecessary output parameter from node_check()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38305
diff
changeset
|
2089 if (node_check(val, &node) == -1) |
16679
2950d186a927
parsers: strictly check for 20-byte hashes where they're required
Bryan O'Sullivan <bryano@fb.com>
parents:
16641
diff
changeset
|
2090 return NULL; |
38819
49628742d264
revlog: remove unnecessary output parameter from node_check()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38305
diff
changeset
|
2091 rev = index_find_node(self, node, 20); |
27638
90e3c5129226
cleanup: remove superfluous space after space after equals (C)
timeless <timeless@mozdev.org>
parents:
27592
diff
changeset
|
2092 if (rev == -3) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2093 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2094 if (rev == -2) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2095 Py_RETURN_NONE; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2096 return PyInt_FromLong(rev); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2097 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2098 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2099 static int index_contains(indexObject *self, PyObject *value) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2100 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2101 char *node; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2102 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2103 if (PyInt_Check(value)) { |
40598
fa33196088c4
revlog: replace PyInt_AS_LONG with a more portable helper function
Augie Fackler <augie@google.com>
parents:
40562
diff
changeset
|
2104 long rev; |
fa33196088c4
revlog: replace PyInt_AS_LONG with a more portable helper function
Augie Fackler <augie@google.com>
parents:
40562
diff
changeset
|
2105 if (!pylong_to_long(value, &rev)) { |
fa33196088c4
revlog: replace PyInt_AS_LONG with a more portable helper function
Augie Fackler <augie@google.com>
parents:
40562
diff
changeset
|
2106 return -1; |
fa33196088c4
revlog: replace PyInt_AS_LONG with a more portable helper function
Augie Fackler <augie@google.com>
parents:
40562
diff
changeset
|
2107 } |
38866
aa33988ad8ab
index: return False for "len(index) in index"
Martin von Zweigbergk <martinvonz@google.com>
parents:
38852
diff
changeset
|
2108 return rev >= -1 && rev < index_length(self); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2109 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2110 |
38819
49628742d264
revlog: remove unnecessary output parameter from node_check()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38305
diff
changeset
|
2111 if (node_check(value, &node) == -1) |
16679
2950d186a927
parsers: strictly check for 20-byte hashes where they're required
Bryan O'Sullivan <bryano@fb.com>
parents:
16641
diff
changeset
|
2112 return -1; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2113 |
38819
49628742d264
revlog: remove unnecessary output parameter from node_check()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38305
diff
changeset
|
2114 switch (index_find_node(self, node, 20)) { |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2115 case -3: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2116 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2117 case -2: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2118 return 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2119 default: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2120 return 1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2121 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2122 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2123 |
43534
0c659fc20207
index: add a `has_node` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43532
diff
changeset
|
2124 static PyObject *index_m_has_node(indexObject *self, PyObject *args) |
0c659fc20207
index: add a `has_node` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43532
diff
changeset
|
2125 { |
0c659fc20207
index: add a `has_node` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43532
diff
changeset
|
2126 int ret = index_contains(self, args); |
0c659fc20207
index: add a `has_node` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43532
diff
changeset
|
2127 if (ret < 0) |
0c659fc20207
index: add a `has_node` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43532
diff
changeset
|
2128 return NULL; |
0c659fc20207
index: add a `has_node` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43532
diff
changeset
|
2129 return PyBool_FromLong((long)ret); |
0c659fc20207
index: add a `has_node` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43532
diff
changeset
|
2130 } |
0c659fc20207
index: add a `has_node` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43532
diff
changeset
|
2131 |
43552
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2132 static PyObject *index_m_rev(indexObject *self, PyObject *val) |
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2133 { |
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2134 char *node; |
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2135 int rev; |
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2136 |
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2137 if (node_check(val, &node) == -1) |
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2138 return NULL; |
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2139 rev = index_find_node(self, node, 20); |
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2140 if (rev >= -1) |
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2141 return PyInt_FromLong(rev); |
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2142 if (rev == -2) |
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2143 raise_revlog_error(); |
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2144 return NULL; |
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2145 } |
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2146 |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2147 typedef uint64_t bitmask; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2148 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2149 /* |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2150 * Given a disjoint set of revs, return all candidates for the |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2151 * greatest common ancestor. In revset notation, this is the set |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2152 * "heads(::a and ::b and ...)" |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2153 */ |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2154 static PyObject *find_gca_candidates(indexObject *self, const int *revs, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2155 int revcount) |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2156 { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2157 const bitmask allseen = (1ull << revcount) - 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2158 const bitmask poison = 1ull << revcount; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2159 PyObject *gca = PyList_New(0); |
20555
4add43865a9b
ancestors: remove unnecessary handling of 'left'
Mads Kiilerich <madski@unity3d.com>
parents:
20554
diff
changeset
|
2160 int i, v, interesting; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2161 int maxrev = -1; |
22399
9f490afcb067
parsers: use bitmask type consistently in find_gca_candidates
Henrik Stuart <hg@hstuart.dk>
parents:
21871
diff
changeset
|
2162 bitmask sp; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2163 bitmask *seen; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2164 |
19727
3d07b4a2f743
parsers: correctly handle a failed allocation
Bryan O'Sullivan <bryano@fb.com>
parents:
19726
diff
changeset
|
2165 if (gca == NULL) |
3d07b4a2f743
parsers: correctly handle a failed allocation
Bryan O'Sullivan <bryano@fb.com>
parents:
19726
diff
changeset
|
2166 return PyErr_NoMemory(); |
3d07b4a2f743
parsers: correctly handle a failed allocation
Bryan O'Sullivan <bryano@fb.com>
parents:
19726
diff
changeset
|
2167 |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2168 for (i = 0; i < revcount; i++) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2169 if (revs[i] > maxrev) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2170 maxrev = revs[i]; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2171 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2172 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2173 seen = calloc(sizeof(*seen), maxrev + 1); |
19727
3d07b4a2f743
parsers: correctly handle a failed allocation
Bryan O'Sullivan <bryano@fb.com>
parents:
19726
diff
changeset
|
2174 if (seen == NULL) { |
3d07b4a2f743
parsers: correctly handle a failed allocation
Bryan O'Sullivan <bryano@fb.com>
parents:
19726
diff
changeset
|
2175 Py_DECREF(gca); |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2176 return PyErr_NoMemory(); |
19727
3d07b4a2f743
parsers: correctly handle a failed allocation
Bryan O'Sullivan <bryano@fb.com>
parents:
19726
diff
changeset
|
2177 } |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2178 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2179 for (i = 0; i < revcount; i++) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2180 seen[revs[i]] = 1ull << i; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2181 |
20555
4add43865a9b
ancestors: remove unnecessary handling of 'left'
Mads Kiilerich <madski@unity3d.com>
parents:
20554
diff
changeset
|
2182 interesting = revcount; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2183 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2184 for (v = maxrev; v >= 0 && interesting; v--) { |
22399
9f490afcb067
parsers: use bitmask type consistently in find_gca_candidates
Henrik Stuart <hg@hstuart.dk>
parents:
21871
diff
changeset
|
2185 bitmask sv = seen[v]; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2186 int parents[2]; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2187 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2188 if (!sv) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2189 continue; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2190 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2191 if (sv < poison) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2192 interesting -= 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2193 if (sv == allseen) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2194 PyObject *obj = PyInt_FromLong(v); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2195 if (obj == NULL) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2196 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2197 if (PyList_Append(gca, obj) == -1) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2198 Py_DECREF(obj); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2199 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2200 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2201 sv |= poison; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2202 for (i = 0; i < revcount; i++) { |
20555
4add43865a9b
ancestors: remove unnecessary handling of 'left'
Mads Kiilerich <madski@unity3d.com>
parents:
20554
diff
changeset
|
2203 if (revs[i] == v) |
4add43865a9b
ancestors: remove unnecessary handling of 'left'
Mads Kiilerich <madski@unity3d.com>
parents:
20554
diff
changeset
|
2204 goto done; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2205 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2206 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2207 } |
25810
82d6a35cf432
parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents:
25584
diff
changeset
|
2208 if (index_get_parents(self, v, parents, maxrev) < 0) |
82d6a35cf432
parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents:
25584
diff
changeset
|
2209 goto bail; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2210 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2211 for (i = 0; i < 2; i++) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2212 int p = parents[i]; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2213 if (p == -1) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2214 continue; |
19030
48d6f436363e
parsers: fix variable declaration position issue
Matt Mackall <mpm@selenic.com>
parents:
18988
diff
changeset
|
2215 sp = seen[p]; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2216 if (sv < poison) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2217 if (sp == 0) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2218 seen[p] = sv; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2219 interesting++; |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2220 } else if (sp != sv) |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2221 seen[p] |= sv; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2222 } else { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2223 if (sp && sp < poison) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2224 interesting--; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2225 seen[p] = sv; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2226 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2227 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2228 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2229 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2230 done: |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2231 free(seen); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2232 return gca; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2233 bail: |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2234 free(seen); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2235 Py_XDECREF(gca); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2236 return NULL; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2237 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2238 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2239 /* |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2240 * Given a disjoint set of revs, return the subset with the longest |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2241 * path to the root. |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2242 */ |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2243 static PyObject *find_deepest(indexObject *self, PyObject *revs) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2244 { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2245 const Py_ssize_t revcount = PyList_GET_SIZE(revs); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2246 static const Py_ssize_t capacity = 24; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2247 int *depth, *interesting = NULL; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2248 int i, j, v, ninteresting; |
21730
8da100383dc3
parsers.c: fix a couple of memory leaks
Danek Duvall <danek.duvall@oracle.com>
parents:
21103
diff
changeset
|
2249 PyObject *dict = NULL, *keys = NULL; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2250 long *seen = NULL; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2251 int maxrev = -1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2252 long final; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2253 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2254 if (revcount > capacity) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2255 PyErr_Format(PyExc_OverflowError, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2256 "bitset size (%ld) > capacity (%ld)", |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2257 (long)revcount, (long)capacity); |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2258 return NULL; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2259 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2260 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2261 for (i = 0; i < revcount; i++) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2262 int n = (int)PyInt_AsLong(PyList_GET_ITEM(revs, i)); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2263 if (n > maxrev) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2264 maxrev = n; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2265 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2266 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2267 depth = calloc(sizeof(*depth), maxrev + 1); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2268 if (depth == NULL) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2269 return PyErr_NoMemory(); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2270 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2271 seen = calloc(sizeof(*seen), maxrev + 1); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2272 if (seen == NULL) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2273 PyErr_NoMemory(); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2274 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2275 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2276 |
39073
beab6690f202
cext: fix Windows warning about implicit conversion of 32-bit shift to 64 bit
Matt Harbison <matt_harbison@yahoo.com>
parents:
39072
diff
changeset
|
2277 interesting = calloc(sizeof(*interesting), ((size_t)1) << revcount); |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2278 if (interesting == NULL) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2279 PyErr_NoMemory(); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2280 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2281 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2282 |
19502
8704477ad3b6
ancestor.deepest: sort revs in C version
Siddharth Agarwal <sid0@fb.com>
parents:
19062
diff
changeset
|
2283 if (PyList_Sort(revs) == -1) |
8704477ad3b6
ancestor.deepest: sort revs in C version
Siddharth Agarwal <sid0@fb.com>
parents:
19062
diff
changeset
|
2284 goto bail; |
8704477ad3b6
ancestor.deepest: sort revs in C version
Siddharth Agarwal <sid0@fb.com>
parents:
19062
diff
changeset
|
2285 |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2286 for (i = 0; i < revcount; i++) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2287 int n = (int)PyInt_AsLong(PyList_GET_ITEM(revs, i)); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2288 long b = 1l << i; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2289 depth[n] = 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2290 seen[n] = b; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2291 interesting[b] = 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2292 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2293 |
33475
f501322512b6
parsers: fix invariant bug in find_deepest (issue5623)
Sune Foldager <cryo@cyanite.org>
parents:
33174
diff
changeset
|
2294 /* invariant: ninteresting is the number of non-zero entries in |
f501322512b6
parsers: fix invariant bug in find_deepest (issue5623)
Sune Foldager <cryo@cyanite.org>
parents:
33174
diff
changeset
|
2295 * interesting. */ |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2296 ninteresting = (int)revcount; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2297 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2298 for (v = maxrev; v >= 0 && ninteresting > 1; v--) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2299 int dv = depth[v]; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2300 int parents[2]; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2301 long sv; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2302 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2303 if (dv == 0) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2304 continue; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2305 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2306 sv = seen[v]; |
25810
82d6a35cf432
parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents:
25584
diff
changeset
|
2307 if (index_get_parents(self, v, parents, maxrev) < 0) |
82d6a35cf432
parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents:
25584
diff
changeset
|
2308 goto bail; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2309 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2310 for (i = 0; i < 2; i++) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2311 int p = parents[i]; |
27341
5042b999ef0a
parsers: narrow scope of a variable to be less confusing
Bryan O'Sullivan <bos@serpentine.com>
parents:
27226
diff
changeset
|
2312 long sp; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2313 int dp; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2314 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2315 if (p == -1) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2316 continue; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2317 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2318 dp = depth[p]; |
27341
5042b999ef0a
parsers: narrow scope of a variable to be less confusing
Bryan O'Sullivan <bos@serpentine.com>
parents:
27226
diff
changeset
|
2319 sp = seen[p]; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2320 if (dp <= dv) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2321 depth[p] = dv + 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2322 if (sp != sv) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2323 interesting[sv] += 1; |
27341
5042b999ef0a
parsers: narrow scope of a variable to be less confusing
Bryan O'Sullivan <bos@serpentine.com>
parents:
27226
diff
changeset
|
2324 seen[p] = sv; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2325 if (sp) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2326 interesting[sp] -= 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2327 if (interesting[sp] == 0) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2328 ninteresting -= 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2329 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2330 } |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2331 } else if (dv == dp - 1) { |
27341
5042b999ef0a
parsers: narrow scope of a variable to be less confusing
Bryan O'Sullivan <bos@serpentine.com>
parents:
27226
diff
changeset
|
2332 long nsp = sp | sv; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2333 if (nsp == sp) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2334 continue; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2335 seen[p] = nsp; |
19503
f2dfda6ac152
ancestor.deepest: decrement ninteresting correctly (issue3984)
Wei, Elson <elson.wei@gmail.com>
parents:
19502
diff
changeset
|
2336 interesting[sp] -= 1; |
33475
f501322512b6
parsers: fix invariant bug in find_deepest (issue5623)
Sune Foldager <cryo@cyanite.org>
parents:
33174
diff
changeset
|
2337 if (interesting[sp] == 0) |
19503
f2dfda6ac152
ancestor.deepest: decrement ninteresting correctly (issue3984)
Wei, Elson <elson.wei@gmail.com>
parents:
19502
diff
changeset
|
2338 ninteresting -= 1; |
33475
f501322512b6
parsers: fix invariant bug in find_deepest (issue5623)
Sune Foldager <cryo@cyanite.org>
parents:
33174
diff
changeset
|
2339 if (interesting[nsp] == 0) |
f501322512b6
parsers: fix invariant bug in find_deepest (issue5623)
Sune Foldager <cryo@cyanite.org>
parents:
33174
diff
changeset
|
2340 ninteresting += 1; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2341 interesting[nsp] += 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2342 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2343 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2344 interesting[sv] -= 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2345 if (interesting[sv] == 0) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2346 ninteresting -= 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2347 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2348 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2349 final = 0; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2350 j = ninteresting; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2351 for (i = 0; i < (int)(2 << revcount) && j > 0; i++) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2352 if (interesting[i] == 0) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2353 continue; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2354 final |= i; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2355 j -= 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2356 } |
21730
8da100383dc3
parsers.c: fix a couple of memory leaks
Danek Duvall <danek.duvall@oracle.com>
parents:
21103
diff
changeset
|
2357 if (final == 0) { |
8da100383dc3
parsers.c: fix a couple of memory leaks
Danek Duvall <danek.duvall@oracle.com>
parents:
21103
diff
changeset
|
2358 keys = PyList_New(0); |
8da100383dc3
parsers.c: fix a couple of memory leaks
Danek Duvall <danek.duvall@oracle.com>
parents:
21103
diff
changeset
|
2359 goto bail; |
8da100383dc3
parsers.c: fix a couple of memory leaks
Danek Duvall <danek.duvall@oracle.com>
parents:
21103
diff
changeset
|
2360 } |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2361 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2362 dict = PyDict_New(); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2363 if (dict == NULL) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2364 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2365 |
19504
2fa303619b4d
ancestor.deepest: ignore ninteresting while building result (issue3984)
Siddharth Agarwal <sid0@fb.com>
parents:
19503
diff
changeset
|
2366 for (i = 0; i < revcount; i++) { |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2367 PyObject *key; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2368 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2369 if ((final & (1 << i)) == 0) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2370 continue; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2371 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2372 key = PyList_GET_ITEM(revs, i); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2373 Py_INCREF(key); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2374 Py_INCREF(Py_None); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2375 if (PyDict_SetItem(dict, key, Py_None) == -1) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2376 Py_DECREF(key); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2377 Py_DECREF(Py_None); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2378 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2379 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2380 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2381 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2382 keys = PyDict_Keys(dict); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2383 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2384 bail: |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2385 free(depth); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2386 free(seen); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2387 free(interesting); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2388 Py_XDECREF(dict); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2389 |
21730
8da100383dc3
parsers.c: fix a couple of memory leaks
Danek Duvall <danek.duvall@oracle.com>
parents:
21103
diff
changeset
|
2390 return keys; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2391 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2392 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2393 /* |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2394 * Given a (possibly overlapping) set of revs, return all the |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2395 * common ancestors heads: heads(::args[0] and ::a[1] and ...) |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2396 */ |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2397 static PyObject *index_commonancestorsheads(indexObject *self, PyObject *args) |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2398 { |
21103
628c16489d1c
parsers: remove unnecessary gca variable in index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
21102
diff
changeset
|
2399 PyObject *ret = NULL; |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2400 Py_ssize_t argcount, i, len; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2401 bitmask repeat = 0; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2402 int revcount = 0; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2403 int *revs; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2404 |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2405 argcount = PySequence_Length(args); |
31469
a43fd9ec2a39
parsers: use Python memory allocator in commonancestorsheads()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31426
diff
changeset
|
2406 revs = PyMem_Malloc(argcount * sizeof(*revs)); |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2407 if (argcount > 0 && revs == NULL) |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2408 return PyErr_NoMemory(); |
38851
781b2720d2ac
index: don't include nullid in len()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38850
diff
changeset
|
2409 len = index_length(self); |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2410 |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2411 for (i = 0; i < argcount; i++) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2412 static const int capacity = 24; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2413 PyObject *obj = PySequence_GetItem(args, i); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2414 bitmask x; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2415 long val; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2416 |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2417 if (!PyInt_Check(obj)) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2418 PyErr_SetString(PyExc_TypeError, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2419 "arguments must all be ints"); |
23945
33d6aaf84c9e
parsers.c: fix a memory leak in index_commonancestorsheads
Augie Fackler <augie@google.com>
parents:
23944
diff
changeset
|
2420 Py_DECREF(obj); |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2421 goto bail; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2422 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2423 val = PyInt_AsLong(obj); |
23945
33d6aaf84c9e
parsers.c: fix a memory leak in index_commonancestorsheads
Augie Fackler <augie@google.com>
parents:
23944
diff
changeset
|
2424 Py_DECREF(obj); |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2425 if (val == -1) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2426 ret = PyList_New(0); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2427 goto done; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2428 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2429 if (val < 0 || val >= len) { |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2430 PyErr_SetString(PyExc_IndexError, "index out of range"); |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2431 goto bail; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2432 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2433 /* this cheesy bloom filter lets us avoid some more |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2434 * expensive duplicate checks in the common set-is-disjoint |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2435 * case */ |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2436 x = 1ull << (val & 0x3f); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2437 if (repeat & x) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2438 int k; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2439 for (k = 0; k < revcount; k++) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2440 if (val == revs[k]) |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2441 goto duplicate; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2442 } |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2443 } else |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2444 repeat |= x; |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2445 if (revcount >= capacity) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2446 PyErr_Format(PyExc_OverflowError, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2447 "bitset size (%d) > capacity (%d)", |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2448 revcount, capacity); |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2449 goto bail; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2450 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2451 revs[revcount++] = (int)val; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2452 duplicate:; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2453 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2454 |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2455 if (revcount == 0) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2456 ret = PyList_New(0); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2457 goto done; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2458 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2459 if (revcount == 1) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2460 PyObject *obj; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2461 ret = PyList_New(1); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2462 if (ret == NULL) |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2463 goto bail; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2464 obj = PyInt_FromLong(revs[0]); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2465 if (obj == NULL) |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2466 goto bail; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2467 PyList_SET_ITEM(ret, 0, obj); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2468 goto done; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2469 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2470 |
21103
628c16489d1c
parsers: remove unnecessary gca variable in index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
21102
diff
changeset
|
2471 ret = find_gca_candidates(self, revs, revcount); |
628c16489d1c
parsers: remove unnecessary gca variable in index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
21102
diff
changeset
|
2472 if (ret == NULL) |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2473 goto bail; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2474 |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2475 done: |
31469
a43fd9ec2a39
parsers: use Python memory allocator in commonancestorsheads()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31426
diff
changeset
|
2476 PyMem_Free(revs); |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2477 return ret; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2478 |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2479 bail: |
31469
a43fd9ec2a39
parsers: use Python memory allocator in commonancestorsheads()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31426
diff
changeset
|
2480 PyMem_Free(revs); |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2481 Py_XDECREF(ret); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2482 return NULL; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2483 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2484 |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2485 /* |
24004
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2486 * Given a (possibly overlapping) set of revs, return the greatest |
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2487 * common ancestors: those with the longest path to the root. |
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2488 */ |
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2489 static PyObject *index_ancestors(indexObject *self, PyObject *args) |
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2490 { |
26048
0be2f81aadc3
parsers: fix two leaks in index_ancestors
Augie Fackler <augie@google.com>
parents:
26044
diff
changeset
|
2491 PyObject *ret; |
24004
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2492 PyObject *gca = index_commonancestorsheads(self, args); |
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2493 if (gca == NULL) |
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2494 return NULL; |
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2495 |
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2496 if (PyList_GET_SIZE(gca) <= 1) { |
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2497 return gca; |
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2498 } |
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2499 |
26048
0be2f81aadc3
parsers: fix two leaks in index_ancestors
Augie Fackler <augie@google.com>
parents:
26044
diff
changeset
|
2500 ret = find_deepest(self, gca); |
0be2f81aadc3
parsers: fix two leaks in index_ancestors
Augie Fackler <augie@google.com>
parents:
26044
diff
changeset
|
2501 Py_DECREF(gca); |
0be2f81aadc3
parsers: fix two leaks in index_ancestors
Augie Fackler <augie@google.com>
parents:
26044
diff
changeset
|
2502 return ret; |
24004
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2503 } |
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2504 |
8a5267cd5286
parsers: rewrite index_ancestors() in terms of index_commonancestorsheads()
Martin von Zweigbergk <martinvonz@google.com>
parents:
23948
diff
changeset
|
2505 /* |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2506 * Invalidate any trie entries introduced by added revs. |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2507 */ |
38942
3e74c01102af
index: rename "nt_*(indexObject *self,...)" functions to "index_*"
Martin von Zweigbergk <martinvonz@google.com>
parents:
38941
diff
changeset
|
2508 static void index_invalidate_added(indexObject *self, Py_ssize_t start) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2509 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2510 Py_ssize_t i, len = PyList_GET_SIZE(self->added); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2511 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2512 for (i = start; i < len; i++) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2513 PyObject *tuple = PyList_GET_ITEM(self->added, i); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2514 PyObject *node = PyTuple_GET_ITEM(tuple, 7); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2515 |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
2516 nt_delete_node(&self->nt, PyBytes_AS_STRING(node)); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2517 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2518 |
16732
277e2acb7e5c
parsers: use Py_CLEAR where appropriate
Bryan O'Sullivan <bryano@fb.com>
parents:
16699
diff
changeset
|
2519 if (start == 0) |
277e2acb7e5c
parsers: use Py_CLEAR where appropriate
Bryan O'Sullivan <bryano@fb.com>
parents:
16699
diff
changeset
|
2520 Py_CLEAR(self->added); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2521 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2522 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2523 /* |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2524 * Delete a numeric range of revs, which must be at the end of the |
43582
ae5e39512ca0
revlog: delete references to deleted nullid sentinel value
Martin von Zweigbergk <martinvonz@google.com>
parents:
43554
diff
changeset
|
2525 * range. |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2526 */ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2527 static int index_slice_del(indexObject *self, PyObject *item) |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2528 { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2529 Py_ssize_t start, stop, step, slicelength; |
38851
781b2720d2ac
index: don't include nullid in len()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38850
diff
changeset
|
2530 Py_ssize_t length = index_length(self) + 1; |
16784
12a852c7c763
parsers: reduce raw_length when truncating
Bryan O'Sullivan <bryano@fb.com>
parents:
16732
diff
changeset
|
2531 int ret = 0; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2532 |
30171
7a3b59f0329a
parsers: avoid PySliceObject cast on Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30169
diff
changeset
|
2533 /* Argument changed from PySliceObject* to PyObject* in Python 3. */ |
7a3b59f0329a
parsers: avoid PySliceObject cast on Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30169
diff
changeset
|
2534 #ifdef IS_PY3K |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2535 if (PySlice_GetIndicesEx(item, length, &start, &stop, &step, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2536 &slicelength) < 0) |
30171
7a3b59f0329a
parsers: avoid PySliceObject cast on Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30169
diff
changeset
|
2537 #else |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2538 if (PySlice_GetIndicesEx((PySliceObject *)item, length, &start, &stop, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2539 &step, &slicelength) < 0) |
30171
7a3b59f0329a
parsers: avoid PySliceObject cast on Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30169
diff
changeset
|
2540 #endif |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2541 return -1; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2542 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2543 if (slicelength <= 0) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2544 return 0; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2545 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2546 if ((step < 0 && start < stop) || (step > 0 && start > stop)) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2547 stop = start; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2548 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2549 if (step < 0) { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2550 stop = start + 1; |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2551 start = stop + step * (slicelength - 1) - 1; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2552 step = -step; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2553 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2554 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2555 if (step != 1) { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2556 PyErr_SetString(PyExc_ValueError, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2557 "revlog index delete requires step size of 1"); |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2558 return -1; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2559 } |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2560 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2561 if (stop != length - 1) { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2562 PyErr_SetString(PyExc_IndexError, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2563 "revlog index deletion indices are invalid"); |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2564 return -1; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2565 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2566 |
39068
52e9bf215f96
index: don't include nullid in the internal "length" field
Martin von Zweigbergk <martinvonz@google.com>
parents:
38944
diff
changeset
|
2567 if (start < self->length) { |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
2568 if (self->ntinitialized) { |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2569 Py_ssize_t i; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2570 |
43532
53581e220ba3
revlog: clean up the node of all revision stripped in the C code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
42096
diff
changeset
|
2571 for (i = start; i < self->length; i++) { |
37999
514605777244
revlog: handle errors from index_node() in nt_insert() and index_slice_del()
Martin von Zweigbergk <martinvonz@google.com>
parents:
37978
diff
changeset
|
2572 const char *node = index_node_existing(self, i); |
514605777244
revlog: handle errors from index_node() in nt_insert() and index_slice_del()
Martin von Zweigbergk <martinvonz@google.com>
parents:
37978
diff
changeset
|
2573 if (node == NULL) |
514605777244
revlog: handle errors from index_node() in nt_insert() and index_slice_del()
Martin von Zweigbergk <martinvonz@google.com>
parents:
37978
diff
changeset
|
2574 return -1; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2575 |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
2576 nt_delete_node(&self->nt, node); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2577 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2578 if (self->added) |
38942
3e74c01102af
index: rename "nt_*(indexObject *self,...)" functions to "index_*"
Martin von Zweigbergk <martinvonz@google.com>
parents:
38941
diff
changeset
|
2579 index_invalidate_added(self, 0); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2580 if (self->ntrev > start) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2581 self->ntrev = (int)start; |
43847
49fa0b31ee1d
cext-revlog: fixed __delitem__ for uninitialized nodetree
Georges Racinet <georges.racinet@octobus.net>
parents:
43582
diff
changeset
|
2582 } else if (self->added) { |
49fa0b31ee1d
cext-revlog: fixed __delitem__ for uninitialized nodetree
Georges Racinet <georges.racinet@octobus.net>
parents:
43582
diff
changeset
|
2583 Py_CLEAR(self->added); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2584 } |
43847
49fa0b31ee1d
cext-revlog: fixed __delitem__ for uninitialized nodetree
Georges Racinet <georges.racinet@octobus.net>
parents:
43582
diff
changeset
|
2585 |
39068
52e9bf215f96
index: don't include nullid in the internal "length" field
Martin von Zweigbergk <martinvonz@google.com>
parents:
38944
diff
changeset
|
2586 self->length = start; |
18504
d1d5fdcc2d46
parsers: fix memleak of revlog cache entries on strip
Yuya Nishihara <yuya@tcha.org>
parents:
18430
diff
changeset
|
2587 if (start < self->raw_length) { |
d1d5fdcc2d46
parsers: fix memleak of revlog cache entries on strip
Yuya Nishihara <yuya@tcha.org>
parents:
18430
diff
changeset
|
2588 if (self->cache) { |
d1d5fdcc2d46
parsers: fix memleak of revlog cache entries on strip
Yuya Nishihara <yuya@tcha.org>
parents:
18430
diff
changeset
|
2589 Py_ssize_t i; |
d1d5fdcc2d46
parsers: fix memleak of revlog cache entries on strip
Yuya Nishihara <yuya@tcha.org>
parents:
18430
diff
changeset
|
2590 for (i = start; i < self->raw_length; i++) |
d1d5fdcc2d46
parsers: fix memleak of revlog cache entries on strip
Yuya Nishihara <yuya@tcha.org>
parents:
18430
diff
changeset
|
2591 Py_CLEAR(self->cache[i]); |
d1d5fdcc2d46
parsers: fix memleak of revlog cache entries on strip
Yuya Nishihara <yuya@tcha.org>
parents:
18430
diff
changeset
|
2592 } |
16784
12a852c7c763
parsers: reduce raw_length when truncating
Bryan O'Sullivan <bryano@fb.com>
parents:
16732
diff
changeset
|
2593 self->raw_length = start; |
18504
d1d5fdcc2d46
parsers: fix memleak of revlog cache entries on strip
Yuya Nishihara <yuya@tcha.org>
parents:
18430
diff
changeset
|
2594 } |
16784
12a852c7c763
parsers: reduce raw_length when truncating
Bryan O'Sullivan <bryano@fb.com>
parents:
16732
diff
changeset
|
2595 goto done; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2596 } |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2597 |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
2598 if (self->ntinitialized) { |
39068
52e9bf215f96
index: don't include nullid in the internal "length" field
Martin von Zweigbergk <martinvonz@google.com>
parents:
38944
diff
changeset
|
2599 index_invalidate_added(self, start - self->length); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2600 if (self->ntrev > start) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2601 self->ntrev = (int)start; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2602 } |
16784
12a852c7c763
parsers: reduce raw_length when truncating
Bryan O'Sullivan <bryano@fb.com>
parents:
16732
diff
changeset
|
2603 if (self->added) |
39068
52e9bf215f96
index: don't include nullid in the internal "length" field
Martin von Zweigbergk <martinvonz@google.com>
parents:
38944
diff
changeset
|
2604 ret = PyList_SetSlice(self->added, start - self->length, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2605 PyList_GET_SIZE(self->added), NULL); |
16784
12a852c7c763
parsers: reduce raw_length when truncating
Bryan O'Sullivan <bryano@fb.com>
parents:
16732
diff
changeset
|
2606 done: |
16787
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
2607 Py_CLEAR(self->headrevs); |
16784
12a852c7c763
parsers: reduce raw_length when truncating
Bryan O'Sullivan <bryano@fb.com>
parents:
16732
diff
changeset
|
2608 return ret; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2609 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2610 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2611 /* |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2612 * Supported ops: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2613 * |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2614 * slice deletion |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2615 * string assignment (extend node->rev mapping) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2616 * string deletion (shrink node->rev mapping) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2617 */ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2618 static int index_assign_subscript(indexObject *self, PyObject *item, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2619 PyObject *value) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2620 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2621 char *node; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2622 long rev; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2623 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2624 if (PySlice_Check(item) && value == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2625 return index_slice_del(self, item); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2626 |
38819
49628742d264
revlog: remove unnecessary output parameter from node_check()
Martin von Zweigbergk <martinvonz@google.com>
parents:
38305
diff
changeset
|
2627 if (node_check(item, &node) == -1) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2628 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2629 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2630 if (value == NULL) |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2631 return self->ntinitialized ? nt_delete_node(&self->nt, node) |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2632 : 0; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2633 rev = PyInt_AsLong(value); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2634 if (rev > INT_MAX || rev < 0) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2635 if (!PyErr_Occurred()) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2636 PyErr_SetString(PyExc_ValueError, "rev out of range"); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2637 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2638 } |
23468
ee311681e591
parsers: ensure revlog index node tree is initialized before insertion
Mike Edgar <adgar@google.com>
parents:
23087
diff
changeset
|
2639 |
38941
c0b6a7c78a21
index: split up nt_init() in two
Martin von Zweigbergk <martinvonz@google.com>
parents:
38940
diff
changeset
|
2640 if (index_init_nt(self) == -1) |
23468
ee311681e591
parsers: ensure revlog index node tree is initialized before insertion
Mike Edgar <adgar@google.com>
parents:
23087
diff
changeset
|
2641 return -1; |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
2642 return nt_insert(&self->nt, node, (int)rev); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2643 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2644 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2645 /* |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2646 * Find all RevlogNG entries in an index that has inline data. Update |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2647 * the optional "offsets" table with those entries. |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2648 */ |
22401
9ba8a93e55f5
parsers: ensure correct return type for inline_scan
Henrik Stuart <hg@hstuart.dk>
parents:
22400
diff
changeset
|
2649 static Py_ssize_t inline_scan(indexObject *self, const char **offsets) |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2650 { |
30577
6146d5acee69
parsers: use buffer to store revlog index
Jun Wu <quark@fb.com>
parents:
30171
diff
changeset
|
2651 const char *data = (const char *)self->buf.buf; |
20167
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
2652 Py_ssize_t pos = 0; |
30577
6146d5acee69
parsers: use buffer to store revlog index
Jun Wu <quark@fb.com>
parents:
30171
diff
changeset
|
2653 Py_ssize_t end = self->buf.len; |
16863
bbedef66c6f3
parsers: replace magic number 64 with symbolic constant
Bryan O'Sullivan <bryano@fb.com>
parents:
16787
diff
changeset
|
2654 long incr = v1_hdrsize; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2655 Py_ssize_t len = 0; |
13254
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
changeset
|
2656 |
20167
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
2657 while (pos + v1_hdrsize <= end && pos >= 0) { |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2658 uint32_t comp_len; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2659 /* 3rd element of header is length of compressed inline data */ |
20167
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
2660 comp_len = getbe32(data + pos + 8); |
16863
bbedef66c6f3
parsers: replace magic number 64 with symbolic constant
Bryan O'Sullivan <bryano@fb.com>
parents:
16787
diff
changeset
|
2661 incr = v1_hdrsize + comp_len; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2662 if (offsets) |
20167
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
2663 offsets[len] = data + pos; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2664 len++; |
20167
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
2665 pos += incr; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2666 } |
13254
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
changeset
|
2667 |
20167
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
2668 if (pos != end) { |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2669 if (!PyErr_Occurred()) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2670 PyErr_SetString(PyExc_ValueError, "corrupt index file"); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2671 return -1; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2672 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2673 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2674 return len; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2675 } |
13254
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
changeset
|
2676 |
16572
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2677 static int index_init(indexObject *self, PyObject *args) |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2678 { |
16572
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2679 PyObject *data_obj, *inlined_obj; |
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2680 Py_ssize_t size; |
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2681 |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2682 /* Initialize before argument-checking to avoid index_dealloc() crash. |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2683 */ |
20109
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2684 self->raw_length = 0; |
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2685 self->added = NULL; |
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2686 self->cache = NULL; |
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2687 self->data = NULL; |
30577
6146d5acee69
parsers: use buffer to store revlog index
Jun Wu <quark@fb.com>
parents:
30171
diff
changeset
|
2688 memset(&self->buf, 0, sizeof(self->buf)); |
20109
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2689 self->headrevs = NULL; |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
2690 self->filteredrevs = Py_None; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
2691 Py_INCREF(Py_None); |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
2692 self->ntinitialized = 0; |
20109
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2693 self->offsets = NULL; |
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2694 |
16572
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2695 if (!PyArg_ParseTuple(args, "OO", &data_obj, &inlined_obj)) |
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2696 return -1; |
30577
6146d5acee69
parsers: use buffer to store revlog index
Jun Wu <quark@fb.com>
parents:
30171
diff
changeset
|
2697 if (!PyObject_CheckBuffer(data_obj)) { |
6146d5acee69
parsers: use buffer to store revlog index
Jun Wu <quark@fb.com>
parents:
30171
diff
changeset
|
2698 PyErr_SetString(PyExc_TypeError, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2699 "data does not support buffer interface"); |
16572
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2700 return -1; |
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2701 } |
30577
6146d5acee69
parsers: use buffer to store revlog index
Jun Wu <quark@fb.com>
parents:
30171
diff
changeset
|
2702 |
6146d5acee69
parsers: use buffer to store revlog index
Jun Wu <quark@fb.com>
parents:
30171
diff
changeset
|
2703 if (PyObject_GetBuffer(data_obj, &self->buf, PyBUF_SIMPLE) == -1) |
6146d5acee69
parsers: use buffer to store revlog index
Jun Wu <quark@fb.com>
parents:
30171
diff
changeset
|
2704 return -1; |
6146d5acee69
parsers: use buffer to store revlog index
Jun Wu <quark@fb.com>
parents:
30171
diff
changeset
|
2705 size = self->buf.len; |
16572
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2706 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2707 self->inlined = inlined_obj && PyObject_IsTrue(inlined_obj); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2708 self->data = data_obj; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2709 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2710 self->ntlookups = self->ntmisses = 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2711 self->ntrev = -1; |
16597
b767382a8675
parsers: fix refcount bug on corrupt index
Matt Mackall <mpm@selenic.com>
parents:
16572
diff
changeset
|
2712 Py_INCREF(self->data); |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2713 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2714 if (self->inlined) { |
22401
9ba8a93e55f5
parsers: ensure correct return type for inline_scan
Henrik Stuart <hg@hstuart.dk>
parents:
22400
diff
changeset
|
2715 Py_ssize_t len = inline_scan(self, NULL); |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2716 if (len == -1) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2717 goto bail; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2718 self->raw_length = len; |
39068
52e9bf215f96
index: don't include nullid in the internal "length" field
Martin von Zweigbergk <martinvonz@google.com>
parents:
38944
diff
changeset
|
2719 self->length = len; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2720 } else { |
16863
bbedef66c6f3
parsers: replace magic number 64 with symbolic constant
Bryan O'Sullivan <bryano@fb.com>
parents:
16787
diff
changeset
|
2721 if (size % v1_hdrsize) { |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2722 PyErr_SetString(PyExc_ValueError, "corrupt index file"); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2723 goto bail; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2724 } |
16863
bbedef66c6f3
parsers: replace magic number 64 with symbolic constant
Bryan O'Sullivan <bryano@fb.com>
parents:
16787
diff
changeset
|
2725 self->raw_length = size / v1_hdrsize; |
39068
52e9bf215f96
index: don't include nullid in the internal "length" field
Martin von Zweigbergk <martinvonz@google.com>
parents:
38944
diff
changeset
|
2726 self->length = self->raw_length; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2727 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2728 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2729 return 0; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2730 bail: |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2731 return -1; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2732 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2733 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2734 static PyObject *index_nodemap(indexObject *self) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2735 { |
16572
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2736 Py_INCREF(self); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2737 return (PyObject *)self; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2738 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2739 |
38944
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2740 static void _index_clearcaches(indexObject *self) |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2741 { |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2742 if (self->cache) { |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2743 Py_ssize_t i; |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2744 |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2745 for (i = 0; i < self->raw_length; i++) |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2746 Py_CLEAR(self->cache[i]); |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2747 free(self->cache); |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2748 self->cache = NULL; |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2749 } |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2750 if (self->offsets) { |
39075
b935adb4b041
cext: fix a warning about differing const qualifiers on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents:
39074
diff
changeset
|
2751 PyMem_Free((void *)self->offsets); |
38944
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2752 self->offsets = NULL; |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2753 } |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
2754 if (self->ntinitialized) { |
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
2755 nt_dealloc(&self->nt); |
38944
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2756 } |
39291
9f097214fbf3
index: embed nodetree in index object to avoid reference cycle
Martin von Zweigbergk <martinvonz@google.com>
parents:
39228
diff
changeset
|
2757 self->ntinitialized = 0; |
38944
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2758 Py_CLEAR(self->headrevs); |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2759 } |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2760 |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2761 static PyObject *index_clearcaches(indexObject *self) |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2762 { |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2763 _index_clearcaches(self); |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2764 self->ntrev = -1; |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2765 self->ntlookups = self->ntmisses = 0; |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2766 Py_RETURN_NONE; |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2767 } |
c1de67691d5b
index: move index_clearcaches() further down
Martin von Zweigbergk <martinvonz@google.com>
parents:
38943
diff
changeset
|
2768 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2769 static void index_dealloc(indexObject *self) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2770 { |
16370
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
2771 _index_clearcaches(self); |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
2772 Py_XDECREF(self->filteredrevs); |
30577
6146d5acee69
parsers: use buffer to store revlog index
Jun Wu <quark@fb.com>
parents:
30171
diff
changeset
|
2773 if (self->buf.buf) { |
6146d5acee69
parsers: use buffer to store revlog index
Jun Wu <quark@fb.com>
parents:
30171
diff
changeset
|
2774 PyBuffer_Release(&self->buf); |
6146d5acee69
parsers: use buffer to store revlog index
Jun Wu <quark@fb.com>
parents:
30171
diff
changeset
|
2775 memset(&self->buf, 0, sizeof(self->buf)); |
6146d5acee69
parsers: use buffer to store revlog index
Jun Wu <quark@fb.com>
parents:
30171
diff
changeset
|
2776 } |
20109
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2777 Py_XDECREF(self->data); |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2778 Py_XDECREF(self->added); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2779 PyObject_Del(self); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2780 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2781 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2782 static PySequenceMethods index_sequence_methods = { |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2783 (lenfunc)index_length, /* sq_length */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2784 0, /* sq_concat */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2785 0, /* sq_repeat */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2786 (ssizeargfunc)index_get, /* sq_item */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2787 0, /* sq_slice */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2788 0, /* sq_ass_item */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2789 0, /* sq_ass_slice */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2790 (objobjproc)index_contains, /* sq_contains */ |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2791 }; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2792 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2793 static PyMappingMethods index_mapping_methods = { |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2794 (lenfunc)index_length, /* mp_length */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2795 (binaryfunc)index_getitem, /* mp_subscript */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2796 (objobjargproc)index_assign_subscript, /* mp_ass_subscript */ |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2797 }; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2798 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2799 static PyMethodDef index_methods[] = { |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2800 {"ancestors", (PyCFunction)index_ancestors, METH_VARARGS, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2801 "return the gca set of the given revs"}, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2802 {"commonancestorsheads", (PyCFunction)index_commonancestorsheads, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2803 METH_VARARGS, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2804 "return the heads of the common ancestors of the given revs"}, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2805 {"clearcaches", (PyCFunction)index_clearcaches, METH_NOARGS, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2806 "clear the index caches"}, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2807 {"get", (PyCFunction)index_m_get, METH_VARARGS, "get an index entry"}, |
43554
b56de57c45ce
index: add a `get_rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43552
diff
changeset
|
2808 {"get_rev", (PyCFunction)index_m_get, METH_VARARGS, |
b56de57c45ce
index: add a `get_rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43552
diff
changeset
|
2809 "return `rev` associated with a node or None"}, |
43534
0c659fc20207
index: add a `has_node` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43532
diff
changeset
|
2810 {"has_node", (PyCFunction)index_m_has_node, METH_O, |
0c659fc20207
index: add a `has_node` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43532
diff
changeset
|
2811 "return True if the node exist in the index"}, |
43552
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2812 {"rev", (PyCFunction)index_m_rev, METH_O, |
bd87114ce341
index: add a `rev` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43534
diff
changeset
|
2813 "return `rev` associated with a node or raise RevlogError"}, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2814 {"computephasesmapsets", (PyCFunction)compute_phases_map_sets, METH_VARARGS, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2815 "compute phases"}, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2816 {"reachableroots2", (PyCFunction)reachableroots2, METH_VARARGS, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2817 "reachableroots"}, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2818 {"headrevs", (PyCFunction)index_headrevs, METH_VARARGS, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2819 "get head revisions"}, /* Can do filtering since 3.2 */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2820 {"headrevsfiltered", (PyCFunction)index_headrevs, METH_VARARGS, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2821 "get filtered head revisions"}, /* Can always do filtering */ |
41086
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
2822 {"issnapshot", (PyCFunction)index_issnapshot, METH_O, |
a28833d79aca
revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41085
diff
changeset
|
2823 "True if the object is a snapshot"}, |
41108
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
2824 {"findsnapshots", (PyCFunction)index_findsnapshots, METH_VARARGS, |
38e88450138c
delta: have a native implementation of _findsnapshot
Boris Feld <boris.feld@octobus.net>
parents:
41086
diff
changeset
|
2825 "Gather snapshot data in a cache dict"}, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2826 {"deltachain", (PyCFunction)index_deltachain, METH_VARARGS, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2827 "determine revisions with deltas to reconstruct fulltext"}, |
40707
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
2828 {"slicechunktodensity", (PyCFunction)index_slicechunktodensity, |
cc76ca9fca20
sparse-revlog: introduce native (C) implementation of slicechunktodensity
Boris Feld <boris.feld@octobus.net>
parents:
40706
diff
changeset
|
2829 METH_VARARGS, "determine revisions with deltas to reconstruct fulltext"}, |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2830 {"append", (PyCFunction)index_append, METH_O, "append an index entry"}, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2831 {"partialmatch", (PyCFunction)index_partialmatch, METH_VARARGS, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2832 "match a potentially ambiguous node ID"}, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2833 {"shortest", (PyCFunction)index_shortest, METH_VARARGS, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2834 "find length of shortest hex nodeid of a binary ID"}, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2835 {"stats", (PyCFunction)index_stats, METH_NOARGS, "stats for the index"}, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2836 {NULL} /* Sentinel */ |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2837 }; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2838 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2839 static PyGetSetDef index_getset[] = { |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2840 {"nodemap", (getter)index_nodemap, NULL, "nodemap", NULL}, |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2841 {NULL} /* Sentinel */ |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2842 }; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2843 |
40860
18a8def6e1b5
revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol
Yuya Nishihara <yuya@tcha.org>
parents:
40859
diff
changeset
|
2844 PyTypeObject HgRevlogIndex_Type = { |
40562
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2845 PyVarObject_HEAD_INIT(NULL, 0) /* header */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2846 "parsers.index", /* tp_name */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2847 sizeof(indexObject), /* tp_basicsize */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2848 0, /* tp_itemsize */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2849 (destructor)index_dealloc, /* tp_dealloc */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2850 0, /* tp_print */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2851 0, /* tp_getattr */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2852 0, /* tp_setattr */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2853 0, /* tp_compare */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2854 0, /* tp_repr */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2855 0, /* tp_as_number */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2856 &index_sequence_methods, /* tp_as_sequence */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2857 &index_mapping_methods, /* tp_as_mapping */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2858 0, /* tp_hash */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2859 0, /* tp_call */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2860 0, /* tp_str */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2861 0, /* tp_getattro */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2862 0, /* tp_setattro */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2863 0, /* tp_as_buffer */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2864 Py_TPFLAGS_DEFAULT, /* tp_flags */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2865 "revlog index", /* tp_doc */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2866 0, /* tp_traverse */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2867 0, /* tp_clear */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2868 0, /* tp_richcompare */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2869 0, /* tp_weaklistoffset */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2870 0, /* tp_iter */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2871 0, /* tp_iternext */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2872 index_methods, /* tp_methods */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2873 0, /* tp_members */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2874 index_getset, /* tp_getset */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2875 0, /* tp_base */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2876 0, /* tp_dict */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2877 0, /* tp_descr_get */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2878 0, /* tp_descr_set */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2879 0, /* tp_dictoffset */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2880 (initproc)index_init, /* tp_init */ |
e5ad3ef90aa1
revlog: give formatting to clang-format
Augie Fackler <augie@google.com>
parents:
40561
diff
changeset
|
2881 0, /* tp_alloc */ |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2882 }; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2883 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2884 /* |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2885 * returns a tuple of the form (index, index, cache) with elements as |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2886 * follows: |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2887 * |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2888 * index: an index object that lazily parses RevlogNG records |
30577
6146d5acee69
parsers: use buffer to store revlog index
Jun Wu <quark@fb.com>
parents:
30171
diff
changeset
|
2889 * cache: if data is inlined, a tuple (0, index_file_content), else None |
6146d5acee69
parsers: use buffer to store revlog index
Jun Wu <quark@fb.com>
parents:
30171
diff
changeset
|
2890 * index_file_content could be a string, or a buffer |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2891 * |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2892 * added complications are for backwards compatibility |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2893 */ |
32378
7d0c69505a66
cext: extract revlog/index parsing code to own C file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32372
diff
changeset
|
2894 PyObject *parse_index2(PyObject *self, PyObject *args) |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2895 { |
45173
2bc5d1531235
revlog: fix excessive decref on tuple creation failure in parse_index2()
Yuya Nishihara <yuya@tcha.org>
parents:
45141
diff
changeset
|
2896 PyObject *cache = NULL; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2897 indexObject *idx; |
16572
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2898 int ret; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2899 |
40860
18a8def6e1b5
revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol
Yuya Nishihara <yuya@tcha.org>
parents:
40859
diff
changeset
|
2900 idx = PyObject_New(indexObject, &HgRevlogIndex_Type); |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2901 if (idx == NULL) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2902 goto bail; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2903 |
16572
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2904 ret = index_init(idx, args); |
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2905 if (ret == -1) |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2906 goto bail; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2907 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2908 if (idx->inlined) { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2909 cache = Py_BuildValue("iO", 0, idx->data); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2910 if (cache == NULL) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2911 goto bail; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2912 } else { |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2913 cache = Py_None; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2914 Py_INCREF(cache); |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2915 } |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2916 |
45173
2bc5d1531235
revlog: fix excessive decref on tuple creation failure in parse_index2()
Yuya Nishihara <yuya@tcha.org>
parents:
45141
diff
changeset
|
2917 return Py_BuildValue("NN", idx, cache); |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2918 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2919 bail: |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2920 Py_XDECREF(idx); |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2921 Py_XDECREF(cache); |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2922 return NULL; |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2923 } |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2924 |
43959
f384d68d8ea8
revlog: made C Capsule an array of function pointers
Georges Racinet <georges.racinet@octobus.net>
parents:
43847
diff
changeset
|
2925 static Revlog_CAPI CAPI = { |
44066
f5d2720f3bea
revlog-native: introduced ABI version in capsule
Georges Racinet <georges.racinet@octobus.net>
parents:
43959
diff
changeset
|
2926 /* increment the abi_version field upon each change in the Revlog_CAPI |
f5d2720f3bea
revlog-native: introduced ABI version in capsule
Georges Racinet <georges.racinet@octobus.net>
parents:
43959
diff
changeset
|
2927 struct or in the ABI of the listed functions */ |
44502
166349510398
revlog: using two new functions in C capsule from Rust code
Georges Racinet <georges.racinet@octobus.net>
parents:
44486
diff
changeset
|
2928 2, |
166349510398
revlog: using two new functions in C capsule from Rust code
Georges Racinet <georges.racinet@octobus.net>
parents:
44486
diff
changeset
|
2929 index_length, |
166349510398
revlog: using two new functions in C capsule from Rust code
Georges Racinet <georges.racinet@octobus.net>
parents:
44486
diff
changeset
|
2930 index_node, |
43959
f384d68d8ea8
revlog: made C Capsule an array of function pointers
Georges Racinet <georges.racinet@octobus.net>
parents:
43847
diff
changeset
|
2931 HgRevlogIndex_GetParents, |
f384d68d8ea8
revlog: made C Capsule an array of function pointers
Georges Racinet <georges.racinet@octobus.net>
parents:
43847
diff
changeset
|
2932 }; |
f384d68d8ea8
revlog: made C Capsule an array of function pointers
Georges Racinet <georges.racinet@octobus.net>
parents:
43847
diff
changeset
|
2933 |
32378
7d0c69505a66
cext: extract revlog/index parsing code to own C file
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32372
diff
changeset
|
2934 void revlog_module_init(PyObject *mod) |
24017
72c9b5ae7278
parsers: add fm1readmarker
Augie Fackler <augie@google.com>
parents:
24004
diff
changeset
|
2935 { |
41052
4c25038c112c
rust-cpython: implement Graph using C parents function
Georges Racinet <gracinet@anybox.fr>
parents:
40963
diff
changeset
|
2936 PyObject *caps = NULL; |
40860
18a8def6e1b5
revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol
Yuya Nishihara <yuya@tcha.org>
parents:
40859
diff
changeset
|
2937 HgRevlogIndex_Type.tp_new = PyType_GenericNew; |
18a8def6e1b5
revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol
Yuya Nishihara <yuya@tcha.org>
parents:
40859
diff
changeset
|
2938 if (PyType_Ready(&HgRevlogIndex_Type) < 0) |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2939 return; |
40860
18a8def6e1b5
revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol
Yuya Nishihara <yuya@tcha.org>
parents:
40859
diff
changeset
|
2940 Py_INCREF(&HgRevlogIndex_Type); |
18a8def6e1b5
revlog: rename indexType to HgRevlogIndex_Type as it's a global symbol
Yuya Nishihara <yuya@tcha.org>
parents:
40859
diff
changeset
|
2941 PyModule_AddObject(mod, "index", (PyObject *)&HgRevlogIndex_Type); |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2942 |
39218
b85b377e7fc2
index: make node tree a Python object
Martin von Zweigbergk <martinvonz@google.com>
parents:
39075
diff
changeset
|
2943 nodetreeType.tp_new = PyType_GenericNew; |
b85b377e7fc2
index: make node tree a Python object
Martin von Zweigbergk <martinvonz@google.com>
parents:
39075
diff
changeset
|
2944 if (PyType_Ready(&nodetreeType) < 0) |
b85b377e7fc2
index: make node tree a Python object
Martin von Zweigbergk <martinvonz@google.com>
parents:
39075
diff
changeset
|
2945 return; |
b85b377e7fc2
index: make node tree a Python object
Martin von Zweigbergk <martinvonz@google.com>
parents:
39075
diff
changeset
|
2946 Py_INCREF(&nodetreeType); |
b85b377e7fc2
index: make node tree a Python object
Martin von Zweigbergk <martinvonz@google.com>
parents:
39075
diff
changeset
|
2947 PyModule_AddObject(mod, "nodetree", (PyObject *)&nodetreeType); |
b85b377e7fc2
index: make node tree a Python object
Martin von Zweigbergk <martinvonz@google.com>
parents:
39075
diff
changeset
|
2948 |
40088
129bfc7ad2cc
revlog: if the module is initialized more than once, don't leak nullentry
Augie Fackler <augie@google.com>
parents:
39609
diff
changeset
|
2949 if (!nullentry) { |
42096
509a0477b3a6
cext: cast s# arguments of Py_BuildValue() to Py_ssize_t
Yuya Nishihara <yuya@tcha.org>
parents:
42067
diff
changeset
|
2950 nullentry = |
509a0477b3a6
cext: cast s# arguments of Py_BuildValue() to Py_ssize_t
Yuya Nishihara <yuya@tcha.org>
parents:
42067
diff
changeset
|
2951 Py_BuildValue(PY23("iiiiiiis#", "iiiiiiiy#"), 0, 0, 0, -1, |
509a0477b3a6
cext: cast s# arguments of Py_BuildValue() to Py_ssize_t
Yuya Nishihara <yuya@tcha.org>
parents:
42067
diff
changeset
|
2952 -1, -1, -1, nullid, (Py_ssize_t)20); |
40088
129bfc7ad2cc
revlog: if the module is initialized more than once, don't leak nullentry
Augie Fackler <augie@google.com>
parents:
39609
diff
changeset
|
2953 } |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2954 if (nullentry) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2955 PyObject_GC_UnTrack(nullentry); |
40273
3b275f549777
rust: exposing in parsers module
Georges Racinet <gracinet@anybox.fr>
parents:
40099
diff
changeset
|
2956 |
43959
f384d68d8ea8
revlog: made C Capsule an array of function pointers
Georges Racinet <georges.racinet@octobus.net>
parents:
43847
diff
changeset
|
2957 caps = PyCapsule_New(&CAPI, "mercurial.cext.parsers.revlog_CAPI", NULL); |
41052
4c25038c112c
rust-cpython: implement Graph using C parents function
Georges Racinet <gracinet@anybox.fr>
parents:
40963
diff
changeset
|
2958 if (caps != NULL) |
43959
f384d68d8ea8
revlog: made C Capsule an array of function pointers
Georges Racinet <georges.racinet@octobus.net>
parents:
43847
diff
changeset
|
2959 PyModule_AddObject(mod, "revlog_CAPI", caps); |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2960 } |