Mercurial > hg
annotate mercurial/parsers.c @ 23027:3971f64d7a25
glossary: add deprecated and experimental
author | Matt Mackall <mpm@selenic.com> |
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date | Fri, 17 Oct 2014 12:34:27 -0500 |
parents | 80f2b63dd83a |
children | 5715c93cb854 |
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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 #include <Python.h> |
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11 #include <ctype.h> |
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12 #include <stddef.h> |
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13 #include <string.h> |
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14 |
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15 #include "util.h" |
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16 |
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17 static char *versionerrortext = "Python minor version mismatch"; |
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18 |
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19 static int8_t hextable[256] = { |
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20 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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21 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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22 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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23 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1, /* 0-9 */ |
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24 -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* A-F */ |
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25 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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26 -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* a-f */ |
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27 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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28 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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29 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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30 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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31 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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32 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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33 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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34 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
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35 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 |
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36 }; |
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37 |
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38 static char lowertable[128] = { |
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39 '\x00', '\x01', '\x02', '\x03', '\x04', '\x05', '\x06', '\x07', |
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40 '\x08', '\x09', '\x0a', '\x0b', '\x0c', '\x0d', '\x0e', '\x0f', |
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41 '\x10', '\x11', '\x12', '\x13', '\x14', '\x15', '\x16', '\x17', |
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42 '\x18', '\x19', '\x1a', '\x1b', '\x1c', '\x1d', '\x1e', '\x1f', |
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43 '\x20', '\x21', '\x22', '\x23', '\x24', '\x25', '\x26', '\x27', |
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44 '\x28', '\x29', '\x2a', '\x2b', '\x2c', '\x2d', '\x2e', '\x2f', |
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45 '\x30', '\x31', '\x32', '\x33', '\x34', '\x35', '\x36', '\x37', |
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46 '\x38', '\x39', '\x3a', '\x3b', '\x3c', '\x3d', '\x3e', '\x3f', |
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47 '\x40', |
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48 '\x61', '\x62', '\x63', '\x64', '\x65', '\x66', '\x67', /* A-G */ |
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49 '\x68', '\x69', '\x6a', '\x6b', '\x6c', '\x6d', '\x6e', '\x6f', /* H-O */ |
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50 '\x70', '\x71', '\x72', '\x73', '\x74', '\x75', '\x76', '\x77', /* P-W */ |
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51 '\x78', '\x79', '\x7a', /* X-Z */ |
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52 '\x5b', '\x5c', '\x5d', '\x5e', '\x5f', |
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53 '\x60', '\x61', '\x62', '\x63', '\x64', '\x65', '\x66', '\x67', |
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54 '\x68', '\x69', '\x6a', '\x6b', '\x6c', '\x6d', '\x6e', '\x6f', |
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55 '\x70', '\x71', '\x72', '\x73', '\x74', '\x75', '\x76', '\x77', |
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56 '\x78', '\x79', '\x7a', '\x7b', '\x7c', '\x7d', '\x7e', '\x7f' |
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57 }; |
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58 |
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59 static inline int hexdigit(const char *p, Py_ssize_t off) |
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60 { |
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61 int8_t val = hextable[(unsigned char)p[off]]; |
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62 |
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63 if (val >= 0) { |
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64 return val; |
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65 } |
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66 |
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67 PyErr_SetString(PyExc_ValueError, "input contains non-hex character"); |
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68 return 0; |
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69 } |
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70 |
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71 /* |
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72 * Turn a hex-encoded string into binary. |
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73 */ |
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74 static PyObject *unhexlify(const char *str, int len) |
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75 { |
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76 PyObject *ret; |
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77 char *d; |
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78 int i; |
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79 |
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80 ret = PyBytes_FromStringAndSize(NULL, len / 2); |
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81 |
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82 if (!ret) |
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83 return NULL; |
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84 |
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85 d = PyBytes_AsString(ret); |
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86 |
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87 for (i = 0; i < len;) { |
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88 int hi = hexdigit(str, i++); |
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89 int lo = hexdigit(str, i++); |
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90 *d++ = (hi << 4) | lo; |
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91 } |
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92 |
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93 return ret; |
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94 } |
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95 |
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96 static PyObject *asciilower(PyObject *self, PyObject *args) |
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97 { |
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98 char *str, *newstr; |
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99 int i, len; |
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100 PyObject *newobj = NULL; |
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101 |
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102 if (!PyArg_ParseTuple(args, "s#", &str, &len)) |
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|
103 goto quit; |
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|
104 |
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|
105 newobj = PyBytes_FromStringAndSize(NULL, len); |
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|
106 if (!newobj) |
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|
107 goto quit; |
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|
108 |
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|
109 newstr = PyBytes_AS_STRING(newobj); |
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|
110 |
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|
111 for (i = 0; i < len; i++) { |
80f2b63dd83a
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Siddharth Agarwal <sid0@fb.com>
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|
112 char c = str[i]; |
80f2b63dd83a
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|
113 if (c & 0x80) { |
80f2b63dd83a
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|
114 PyObject *err = PyUnicodeDecodeError_Create( |
80f2b63dd83a
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|
115 "ascii", str, len, i, (i + 1), |
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|
116 "unexpected code byte"); |
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|
117 PyErr_SetObject(PyExc_UnicodeDecodeError, err); |
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118 goto quit; |
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|
119 } |
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|
120 newstr[i] = lowertable[(unsigned char)c]; |
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|
121 } |
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|
122 |
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123 return newobj; |
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124 quit: |
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125 Py_XDECREF(newobj); |
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126 return NULL; |
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|
127 } |
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|
128 |
6389
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|
129 /* |
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130 * This code assumes that a manifest is stitched together with newline |
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131 * ('\n') characters. |
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|
132 */ |
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133 static PyObject *parse_manifest(PyObject *self, PyObject *args) |
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|
134 { |
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135 PyObject *mfdict, *fdict; |
19728
3daabd2da78b
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136 char *str, *start, *end; |
6389
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|
137 int len; |
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|
138 |
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|
139 if (!PyArg_ParseTuple(args, "O!O!s#:parse_manifest", |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
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|
140 &PyDict_Type, &mfdict, |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
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|
141 &PyDict_Type, &fdict, |
0231f763ebc8
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|
142 &str, &len)) |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
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diff
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|
143 goto quit; |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
144 |
19728
3daabd2da78b
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diff
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|
145 start = str; |
3daabd2da78b
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|
146 end = str + len; |
3daabd2da78b
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Siddharth Agarwal <sid0@fb.com>
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|
147 while (start < end) { |
6389
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|
148 PyObject *file = NULL, *node = NULL; |
0231f763ebc8
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|
149 PyObject *flags = NULL; |
19728
3daabd2da78b
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|
150 char *zero = NULL, *newline = NULL; |
17356
511dfb34b412
parsers: fix an integer size warning issued by clang
Bryan O'Sullivan <bryano@fb.com>
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17353
diff
changeset
|
151 ptrdiff_t nlen; |
6389
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diff
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|
152 |
19728
3daabd2da78b
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Siddharth Agarwal <sid0@fb.com>
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|
153 zero = memchr(start, '\0', end - start); |
6389
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|
154 if (!zero) { |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
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diff
changeset
|
155 PyErr_SetString(PyExc_ValueError, |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
156 "manifest entry has no separator"); |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
157 goto quit; |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
158 } |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
159 |
19728
3daabd2da78b
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Siddharth Agarwal <sid0@fb.com>
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|
160 newline = memchr(zero + 1, '\n', end - (zero + 1)); |
3daabd2da78b
parse_manifest: rewrite to use memchr
Siddharth Agarwal <sid0@fb.com>
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diff
changeset
|
161 if (!newline) { |
3daabd2da78b
parse_manifest: rewrite to use memchr
Siddharth Agarwal <sid0@fb.com>
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diff
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|
162 PyErr_SetString(PyExc_ValueError, |
3daabd2da78b
parse_manifest: rewrite to use memchr
Siddharth Agarwal <sid0@fb.com>
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19727
diff
changeset
|
163 "manifest contains trailing garbage"); |
3daabd2da78b
parse_manifest: rewrite to use memchr
Siddharth Agarwal <sid0@fb.com>
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diff
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|
164 goto quit; |
3daabd2da78b
parse_manifest: rewrite to use memchr
Siddharth Agarwal <sid0@fb.com>
parents:
19727
diff
changeset
|
165 } |
3daabd2da78b
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Siddharth Agarwal <sid0@fb.com>
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19727
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|
166 |
11361
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
167 file = PyBytes_FromStringAndSize(start, zero - start); |
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
168 |
6389
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
169 if (!file) |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
170 goto bail; |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
171 |
19728
3daabd2da78b
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diff
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|
172 nlen = newline - zero - 1; |
6389
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diff
changeset
|
173 |
17356
511dfb34b412
parsers: fix an integer size warning issued by clang
Bryan O'Sullivan <bryano@fb.com>
parents:
17353
diff
changeset
|
174 node = unhexlify(zero + 1, nlen > 40 ? 40 : (int)nlen); |
6389
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
175 if (!node) |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
176 goto bail; |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
177 |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
178 if (nlen > 40) { |
11361
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
179 flags = PyBytes_FromStringAndSize(zero + 41, |
6389
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
180 nlen - 40); |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
181 if (!flags) |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
182 goto bail; |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
183 |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
184 if (PyDict_SetItem(fdict, file, flags) == -1) |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
185 goto bail; |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
186 } |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
187 |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
188 if (PyDict_SetItem(mfdict, file, node) == -1) |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
189 goto bail; |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
190 |
19728
3daabd2da78b
parse_manifest: rewrite to use memchr
Siddharth Agarwal <sid0@fb.com>
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19727
diff
changeset
|
191 start = newline + 1; |
6389
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diff
changeset
|
192 |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
193 Py_XDECREF(flags); |
0231f763ebc8
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parents:
diff
changeset
|
194 Py_XDECREF(node); |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
195 Py_XDECREF(file); |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
196 continue; |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
197 bail: |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
198 Py_XDECREF(flags); |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
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diff
changeset
|
199 Py_XDECREF(node); |
0231f763ebc8
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diff
changeset
|
200 Py_XDECREF(file); |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
201 goto quit; |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
202 } |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
203 |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
204 Py_INCREF(Py_None); |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
205 return Py_None; |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
206 quit: |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
207 return NULL; |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
208 } |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
209 |
21809
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
210 static inline dirstateTupleObject *make_dirstate_tuple(char state, int mode, |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
211 int size, int mtime) |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
212 { |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
213 dirstateTupleObject *t = PyObject_New(dirstateTupleObject, |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
214 &dirstateTupleType); |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
215 if (!t) |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
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21807
diff
changeset
|
216 return NULL; |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
217 t->state = state; |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
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21807
diff
changeset
|
218 t->mode = mode; |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
219 t->size = size; |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
220 t->mtime = mtime; |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
221 return t; |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
222 } |
e250b8300e6e
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223 |
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224 static PyObject *dirstate_tuple_new(PyTypeObject *subtype, PyObject *args, |
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225 PyObject *kwds) |
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226 { |
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227 /* We do all the initialization here and not a tp_init function because |
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228 * dirstate_tuple is immutable. */ |
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229 dirstateTupleObject *t; |
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230 char state; |
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231 int size, mode, mtime; |
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232 if (!PyArg_ParseTuple(args, "ciii", &state, &mode, &size, &mtime)) |
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233 return NULL; |
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234 |
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235 t = (dirstateTupleObject *)subtype->tp_alloc(subtype, 1); |
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236 if (!t) |
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237 return NULL; |
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238 t->state = state; |
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239 t->mode = mode; |
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240 t->size = size; |
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241 t->mtime = mtime; |
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242 |
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243 return (PyObject *)t; |
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244 } |
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245 |
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246 static void dirstate_tuple_dealloc(PyObject *o) |
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247 { |
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248 PyObject_Del(o); |
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249 } |
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250 |
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251 static Py_ssize_t dirstate_tuple_length(PyObject *o) |
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252 { |
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253 return 4; |
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254 } |
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255 |
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256 static PyObject *dirstate_tuple_item(PyObject *o, Py_ssize_t i) |
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257 { |
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258 dirstateTupleObject *t = (dirstateTupleObject *)o; |
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259 switch (i) { |
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260 case 0: |
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261 return PyBytes_FromStringAndSize(&t->state, 1); |
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262 case 1: |
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263 return PyInt_FromLong(t->mode); |
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264 case 2: |
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265 return PyInt_FromLong(t->size); |
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266 case 3: |
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267 return PyInt_FromLong(t->mtime); |
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268 default: |
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269 PyErr_SetString(PyExc_IndexError, "index out of range"); |
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270 return NULL; |
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271 } |
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272 } |
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273 |
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274 static PySequenceMethods dirstate_tuple_sq = { |
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275 dirstate_tuple_length, /* sq_length */ |
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276 0, /* sq_concat */ |
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277 0, /* sq_repeat */ |
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278 dirstate_tuple_item, /* sq_item */ |
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279 0, /* sq_ass_item */ |
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280 0, /* sq_contains */ |
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281 0, /* sq_inplace_concat */ |
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282 0 /* sq_inplace_repeat */ |
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283 }; |
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284 |
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285 PyTypeObject dirstateTupleType = { |
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286 PyVarObject_HEAD_INIT(NULL, 0) |
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287 "dirstate_tuple", /* tp_name */ |
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288 sizeof(dirstateTupleObject),/* tp_basicsize */ |
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289 0, /* tp_itemsize */ |
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290 (destructor)dirstate_tuple_dealloc, /* tp_dealloc */ |
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291 0, /* tp_print */ |
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292 0, /* tp_getattr */ |
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293 0, /* tp_setattr */ |
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294 0, /* tp_compare */ |
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295 0, /* tp_repr */ |
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296 0, /* tp_as_number */ |
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297 &dirstate_tuple_sq, /* tp_as_sequence */ |
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298 0, /* tp_as_mapping */ |
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299 0, /* tp_hash */ |
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300 0, /* tp_call */ |
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301 0, /* tp_str */ |
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302 0, /* tp_getattro */ |
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303 0, /* tp_setattro */ |
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304 0, /* tp_as_buffer */ |
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305 Py_TPFLAGS_DEFAULT, /* tp_flags */ |
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306 "dirstate tuple", /* tp_doc */ |
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307 0, /* tp_traverse */ |
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308 0, /* tp_clear */ |
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309 0, /* tp_richcompare */ |
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310 0, /* tp_weaklistoffset */ |
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311 0, /* tp_iter */ |
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312 0, /* tp_iternext */ |
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313 0, /* tp_methods */ |
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314 0, /* tp_members */ |
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315 0, /* tp_getset */ |
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316 0, /* tp_base */ |
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317 0, /* tp_dict */ |
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318 0, /* tp_descr_get */ |
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319 0, /* tp_descr_set */ |
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320 0, /* tp_dictoffset */ |
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321 0, /* tp_init */ |
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322 0, /* tp_alloc */ |
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323 dirstate_tuple_new, /* tp_new */ |
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324 }; |
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325 |
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326 static PyObject *parse_dirstate(PyObject *self, PyObject *args) |
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327 { |
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328 PyObject *dmap, *cmap, *parents = NULL, *ret = NULL; |
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329 PyObject *fname = NULL, *cname = NULL, *entry = NULL; |
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330 char state, *cur, *str, *cpos; |
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331 int mode, size, mtime; |
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332 unsigned int flen, len, pos = 40; |
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333 int readlen; |
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334 |
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335 if (!PyArg_ParseTuple(args, "O!O!s#:parse_dirstate", |
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|
336 &PyDict_Type, &dmap, |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
337 &PyDict_Type, &cmap, |
22403
41e9d58ec56f
parsers: avoid signed/unsigned comparison mismatch
Henrik Stuart <hg@hstuart.dk>
parents:
22402
diff
changeset
|
338 &str, &readlen)) |
7093
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
339 goto quit; |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
340 |
22403
41e9d58ec56f
parsers: avoid signed/unsigned comparison mismatch
Henrik Stuart <hg@hstuart.dk>
parents:
22402
diff
changeset
|
341 if (readlen < 0) |
41e9d58ec56f
parsers: avoid signed/unsigned comparison mismatch
Henrik Stuart <hg@hstuart.dk>
parents:
22402
diff
changeset
|
342 goto quit; |
41e9d58ec56f
parsers: avoid signed/unsigned comparison mismatch
Henrik Stuart <hg@hstuart.dk>
parents:
22402
diff
changeset
|
343 |
41e9d58ec56f
parsers: avoid signed/unsigned comparison mismatch
Henrik Stuart <hg@hstuart.dk>
parents:
22402
diff
changeset
|
344 len = readlen; |
41e9d58ec56f
parsers: avoid signed/unsigned comparison mismatch
Henrik Stuart <hg@hstuart.dk>
parents:
22402
diff
changeset
|
345 |
7093
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
346 /* read parents */ |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
347 if (len < 40) |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
348 goto quit; |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
349 |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
350 parents = Py_BuildValue("s#s#", str, 20, str + 20, 20); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
351 if (!parents) |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
352 goto quit; |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
353 |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
354 /* read filenames */ |
20167
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
355 while (pos >= 40 && pos < len) { |
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
356 cur = str + pos; |
7093
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
357 /* unpack header */ |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
358 state = *cur; |
16437
d126a0d16856
util.h: replace ntohl/htonl with get/putbe32
Matt Mackall <mpm@selenic.com>
parents:
16414
diff
changeset
|
359 mode = getbe32(cur + 1); |
d126a0d16856
util.h: replace ntohl/htonl with get/putbe32
Matt Mackall <mpm@selenic.com>
parents:
16414
diff
changeset
|
360 size = getbe32(cur + 5); |
d126a0d16856
util.h: replace ntohl/htonl with get/putbe32
Matt Mackall <mpm@selenic.com>
parents:
16414
diff
changeset
|
361 mtime = getbe32(cur + 9); |
d126a0d16856
util.h: replace ntohl/htonl with get/putbe32
Matt Mackall <mpm@selenic.com>
parents:
16414
diff
changeset
|
362 flen = getbe32(cur + 13); |
20167
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
363 pos += 17; |
7093
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
364 cur += 17; |
20316
40f08c31844c
parsers: fix 'unsigned expression is always true' warning (issue4142)
David Soria Parra <davidsp@fb.com>
parents:
20169
diff
changeset
|
365 if (flen > len - pos) { |
7174
4da87407b845
parsers.c: fix integer overflows
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7168
diff
changeset
|
366 PyErr_SetString(PyExc_ValueError, "overflow in dirstate"); |
7093
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
367 goto quit; |
7174
4da87407b845
parsers.c: fix integer overflows
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7168
diff
changeset
|
368 } |
7093
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
369 |
21809
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
370 entry = (PyObject *)make_dirstate_tuple(state, mode, size, |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
371 mtime); |
7093
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
372 cpos = memchr(cur, 0, flen); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
373 if (cpos) { |
11361
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
374 fname = PyBytes_FromStringAndSize(cur, cpos - cur); |
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
375 cname = PyBytes_FromStringAndSize(cpos + 1, |
7093
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
376 flen - (cpos - cur) - 1); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
377 if (!fname || !cname || |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
378 PyDict_SetItem(cmap, fname, cname) == -1 || |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
379 PyDict_SetItem(dmap, fname, entry) == -1) |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
380 goto quit; |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
381 Py_DECREF(cname); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
382 } else { |
11361
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
383 fname = PyBytes_FromStringAndSize(cur, flen); |
7093
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
384 if (!fname || |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
385 PyDict_SetItem(dmap, fname, entry) == -1) |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
386 goto quit; |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
387 } |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
388 Py_DECREF(fname); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
389 Py_DECREF(entry); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
390 fname = cname = entry = NULL; |
20167
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
391 pos += flen; |
7093
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
392 } |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
393 |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
394 ret = parents; |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
395 Py_INCREF(ret); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
396 quit: |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
397 Py_XDECREF(fname); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
398 Py_XDECREF(cname); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
399 Py_XDECREF(entry); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
400 Py_XDECREF(parents); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
401 return ret; |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
402 } |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
403 |
16955
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
404 /* |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
405 * Efficiently pack a dirstate object into its on-disk format. |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
406 */ |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
407 static PyObject *pack_dirstate(PyObject *self, PyObject *args) |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
408 { |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
409 PyObject *packobj = NULL; |
21806
05bd2667df4d
pack_dirstate: in C version, for invalidation set dict to what we write to disk
Siddharth Agarwal <sid0@fb.com>
parents:
21730
diff
changeset
|
410 PyObject *map, *copymap, *pl, *mtime_unset = NULL; |
16955
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
411 Py_ssize_t nbytes, pos, l; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
412 PyObject *k, *v, *pn; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
413 char *p, *s; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
414 double now; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
415 |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
416 if (!PyArg_ParseTuple(args, "O!O!Od:pack_dirstate", |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
417 &PyDict_Type, &map, &PyDict_Type, ©map, |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
418 &pl, &now)) |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
419 return NULL; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
420 |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
421 if (!PySequence_Check(pl) || PySequence_Size(pl) != 2) { |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
422 PyErr_SetString(PyExc_TypeError, "expected 2-element sequence"); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
423 return NULL; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
424 } |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
425 |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
426 /* Figure out how much we need to allocate. */ |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
427 for (nbytes = 40, pos = 0; PyDict_Next(map, &pos, &k, &v);) { |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
428 PyObject *c; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
429 if (!PyString_Check(k)) { |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
430 PyErr_SetString(PyExc_TypeError, "expected string key"); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
431 goto bail; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
432 } |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
433 nbytes += PyString_GET_SIZE(k) + 17; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
434 c = PyDict_GetItem(copymap, k); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
435 if (c) { |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
436 if (!PyString_Check(c)) { |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
437 PyErr_SetString(PyExc_TypeError, |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
438 "expected string key"); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
439 goto bail; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
440 } |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
441 nbytes += PyString_GET_SIZE(c) + 1; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
442 } |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
443 } |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
444 |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
445 packobj = PyString_FromStringAndSize(NULL, nbytes); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
446 if (packobj == NULL) |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
447 goto bail; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
448 |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
449 p = PyString_AS_STRING(packobj); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
450 |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
451 pn = PySequence_ITEM(pl, 0); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
452 if (PyString_AsStringAndSize(pn, &s, &l) == -1 || l != 20) { |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
453 PyErr_SetString(PyExc_TypeError, "expected a 20-byte hash"); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
454 goto bail; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
455 } |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
456 memcpy(p, s, l); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
457 p += 20; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
458 pn = PySequence_ITEM(pl, 1); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
459 if (PyString_AsStringAndSize(pn, &s, &l) == -1 || l != 20) { |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
460 PyErr_SetString(PyExc_TypeError, "expected a 20-byte hash"); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
461 goto bail; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
462 } |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
463 memcpy(p, s, l); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
464 p += 20; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
465 |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
466 for (pos = 0; PyDict_Next(map, &pos, &k, &v); ) { |
21809
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
467 dirstateTupleObject *tuple; |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
468 char state; |
16955
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
469 uint32_t mode, size, mtime; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
470 Py_ssize_t len, l; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
471 PyObject *o; |
21809
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
472 char *t; |
16955
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
473 |
21809
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
474 if (!dirstate_tuple_check(v)) { |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
475 PyErr_SetString(PyExc_TypeError, |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
476 "expected a dirstate tuple"); |
16955
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
477 goto bail; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
478 } |
21809
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
479 tuple = (dirstateTupleObject *)v; |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
480 |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
481 state = tuple->state; |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
482 mode = tuple->mode; |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
483 size = tuple->size; |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
484 mtime = tuple->mtime; |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
485 if (state == 'n' && mtime == (uint32_t)now) { |
18567
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
18504
diff
changeset
|
486 /* See pure/parsers.py:pack_dirstate for why we do |
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
18504
diff
changeset
|
487 * this. */ |
21806
05bd2667df4d
pack_dirstate: in C version, for invalidation set dict to what we write to disk
Siddharth Agarwal <sid0@fb.com>
parents:
21730
diff
changeset
|
488 mtime = -1; |
21809
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
489 mtime_unset = (PyObject *)make_dirstate_tuple( |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
490 state, mode, size, mtime); |
21806
05bd2667df4d
pack_dirstate: in C version, for invalidation set dict to what we write to disk
Siddharth Agarwal <sid0@fb.com>
parents:
21730
diff
changeset
|
491 if (!mtime_unset) |
16955
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
492 goto bail; |
21806
05bd2667df4d
pack_dirstate: in C version, for invalidation set dict to what we write to disk
Siddharth Agarwal <sid0@fb.com>
parents:
21730
diff
changeset
|
493 if (PyDict_SetItem(map, k, mtime_unset) == -1) |
05bd2667df4d
pack_dirstate: in C version, for invalidation set dict to what we write to disk
Siddharth Agarwal <sid0@fb.com>
parents:
21730
diff
changeset
|
494 goto bail; |
05bd2667df4d
pack_dirstate: in C version, for invalidation set dict to what we write to disk
Siddharth Agarwal <sid0@fb.com>
parents:
21730
diff
changeset
|
495 Py_DECREF(mtime_unset); |
05bd2667df4d
pack_dirstate: in C version, for invalidation set dict to what we write to disk
Siddharth Agarwal <sid0@fb.com>
parents:
21730
diff
changeset
|
496 mtime_unset = NULL; |
16955
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
497 } |
21809
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
498 *p++ = state; |
16955
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
499 putbe32(mode, p); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
500 putbe32(size, p + 4); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
501 putbe32(mtime, p + 8); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
502 t = p + 12; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
503 p += 16; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
504 len = PyString_GET_SIZE(k); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
505 memcpy(p, PyString_AS_STRING(k), len); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
506 p += len; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
507 o = PyDict_GetItem(copymap, k); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
508 if (o) { |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
509 *p++ = '\0'; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
510 l = PyString_GET_SIZE(o); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
511 memcpy(p, PyString_AS_STRING(o), l); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
512 p += l; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
513 len += l + 1; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
514 } |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
515 putbe32((uint32_t)len, t); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
516 } |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
517 |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
518 pos = p - PyString_AS_STRING(packobj); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
519 if (pos != nbytes) { |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
520 PyErr_Format(PyExc_SystemError, "bad dirstate size: %ld != %ld", |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
521 (long)pos, (long)nbytes); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
522 goto bail; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
523 } |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
524 |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
525 return packobj; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
526 bail: |
21806
05bd2667df4d
pack_dirstate: in C version, for invalidation set dict to what we write to disk
Siddharth Agarwal <sid0@fb.com>
parents:
21730
diff
changeset
|
527 Py_XDECREF(mtime_unset); |
16955
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
528 Py_XDECREF(packobj); |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
529 return NULL; |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
530 } |
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
531 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
532 /* |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
533 * A base-16 trie for fast node->rev mapping. |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
534 * |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
535 * Positive value is index of the next node in the trie |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
536 * Negative value is a leaf: -(rev + 1) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
537 * Zero is empty |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
538 */ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
539 typedef struct { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
540 int children[16]; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
541 } nodetree; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
542 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
543 /* |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
544 * This class has two behaviours. |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
545 * |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
546 * When used in a list-like way (with integer keys), we decode an |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
547 * entry in a RevlogNG index file on demand. Our last entry is a |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
548 * sentinel, always a nullid. We have limited support for |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
549 * integer-keyed insert and delete, only at elements right before the |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
550 * sentinel. |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
551 * |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
552 * With string keys, we lazily perform a reverse mapping from node to |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
553 * rev, using a base-16 trie. |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
554 */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
555 typedef struct { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
556 PyObject_HEAD |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
557 /* Type-specific fields go here. */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
558 PyObject *data; /* raw bytes of index */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
559 PyObject **cache; /* cached tuples */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
560 const char **offsets; /* populated on demand */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
561 Py_ssize_t raw_length; /* original number of elements */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
562 Py_ssize_t length; /* current number of elements */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
563 PyObject *added; /* populated on demand */ |
16787
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
564 PyObject *headrevs; /* cache, invalidated on changes */ |
22484
2b5940f64750
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565 PyObject *filteredrevs;/* filtered revs set */ |
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566 nodetree *nt; /* base-16 trie */ |
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567 int ntlength; /* # nodes in use */ |
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568 int ntcapacity; /* # nodes allocated */ |
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569 int ntdepth; /* maximum depth of tree */ |
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570 int ntsplits; /* # splits performed */ |
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571 int ntrev; /* last rev scanned */ |
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572 int ntlookups; /* # lookups */ |
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573 int ntmisses; /* # lookups that miss the cache */ |
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574 int inlined; |
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575 } indexObject; |
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576 |
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577 static Py_ssize_t index_length(const indexObject *self) |
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578 { |
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579 if (self->added == NULL) |
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580 return self->length; |
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581 return self->length + PyList_GET_SIZE(self->added); |
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582 } |
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583 |
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584 static PyObject *nullentry; |
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585 static const char nullid[20]; |
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586 |
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587 static Py_ssize_t inline_scan(indexObject *self, const char **offsets); |
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588 |
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589 #if LONG_MAX == 0x7fffffffL |
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590 static char *tuple_format = "Kiiiiiis#"; |
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591 #else |
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592 static char *tuple_format = "kiiiiiis#"; |
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593 #endif |
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594 |
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595 /* A RevlogNG v1 index entry is 64 bytes long. */ |
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596 static const long v1_hdrsize = 64; |
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597 |
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598 /* |
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599 * Return a pointer to the beginning of a RevlogNG record. |
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600 */ |
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601 static const char *index_deref(indexObject *self, Py_ssize_t pos) |
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602 { |
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603 if (self->inlined && pos > 0) { |
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604 if (self->offsets == NULL) { |
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605 self->offsets = malloc(self->raw_length * |
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606 sizeof(*self->offsets)); |
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607 if (self->offsets == NULL) |
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608 return (const char *)PyErr_NoMemory(); |
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609 inline_scan(self, self->offsets); |
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610 } |
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611 return self->offsets[pos]; |
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612 } |
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613 |
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614 return PyString_AS_STRING(self->data) + pos * v1_hdrsize; |
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615 } |
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616 |
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617 /* |
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618 * RevlogNG format (all in big endian, data may be inlined): |
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619 * 6 bytes: offset |
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620 * 2 bytes: flags |
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621 * 4 bytes: compressed length |
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622 * 4 bytes: uncompressed length |
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623 * 4 bytes: base revision |
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624 * 4 bytes: link revision |
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625 * 4 bytes: parent 1 revision |
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626 * 4 bytes: parent 2 revision |
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627 * 32 bytes: nodeid (only 20 bytes used) |
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628 */ |
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629 static PyObject *index_get(indexObject *self, Py_ssize_t pos) |
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630 { |
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631 uint64_t offset_flags; |
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632 int comp_len, uncomp_len, base_rev, link_rev, parent_1, parent_2; |
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633 const char *c_node_id; |
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634 const char *data; |
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635 Py_ssize_t length = index_length(self); |
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636 PyObject *entry; |
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637 |
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638 if (pos < 0) |
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639 pos += length; |
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640 |
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641 if (pos < 0 || pos >= length) { |
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642 PyErr_SetString(PyExc_IndexError, "revlog index out of range"); |
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643 return NULL; |
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644 } |
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645 |
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646 if (pos == length - 1) { |
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647 Py_INCREF(nullentry); |
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648 return nullentry; |
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649 } |
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650 |
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651 if (pos >= self->length - 1) { |
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652 PyObject *obj; |
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653 obj = PyList_GET_ITEM(self->added, pos - self->length + 1); |
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654 Py_INCREF(obj); |
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655 return obj; |
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656 } |
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657 |
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658 if (self->cache) { |
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659 if (self->cache[pos]) { |
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660 Py_INCREF(self->cache[pos]); |
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661 return self->cache[pos]; |
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662 } |
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663 } else { |
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664 self->cache = calloc(self->raw_length, sizeof(PyObject *)); |
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665 if (self->cache == NULL) |
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666 return PyErr_NoMemory(); |
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667 } |
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668 |
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669 data = index_deref(self, pos); |
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670 if (data == NULL) |
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671 return NULL; |
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672 |
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673 offset_flags = getbe32(data + 4); |
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674 if (pos == 0) /* mask out version number for the first entry */ |
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675 offset_flags &= 0xFFFF; |
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676 else { |
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677 uint32_t offset_high = getbe32(data); |
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|
678 offset_flags |= ((uint64_t)offset_high) << 32; |
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679 } |
7154
7fdf7a0a41b7
index parser: fix refcounting in case of errors, refactor
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7135
diff
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|
680 |
16437
d126a0d16856
util.h: replace ntohl/htonl with get/putbe32
Matt Mackall <mpm@selenic.com>
parents:
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681 comp_len = getbe32(data + 8); |
d126a0d16856
util.h: replace ntohl/htonl with get/putbe32
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parents:
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diff
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|
682 uncomp_len = getbe32(data + 12); |
d126a0d16856
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parents:
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diff
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|
683 base_rev = getbe32(data + 16); |
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Matt Mackall <mpm@selenic.com>
parents:
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|
684 link_rev = getbe32(data + 20); |
d126a0d16856
util.h: replace ntohl/htonl with get/putbe32
Matt Mackall <mpm@selenic.com>
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|
685 parent_1 = getbe32(data + 24); |
d126a0d16856
util.h: replace ntohl/htonl with get/putbe32
Matt Mackall <mpm@selenic.com>
parents:
16414
diff
changeset
|
686 parent_2 = getbe32(data + 28); |
16363
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|
687 c_node_id = data + 32; |
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|
688 |
2cdd7e63211b
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Bryan O'Sullivan <bryano@fb.com>
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|
689 entry = Py_BuildValue(tuple_format, offset_flags, comp_len, |
13254
5ef5eb1f3515
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Matt Mackall <mpm@selenic.com>
parents:
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diff
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|
690 uncomp_len, base_rev, link_rev, |
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
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|
691 parent_1, parent_2, c_node_id, 20); |
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
changeset
|
692 |
19726
b3c8c6f2b5c1
parsers: use Py_INCREF safely
Bryan O'Sullivan <bryano@fb.com>
parents:
19725
diff
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|
693 if (entry) { |
16363
2cdd7e63211b
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Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
694 PyObject_GC_UnTrack(entry); |
19726
b3c8c6f2b5c1
parsers: use Py_INCREF safely
Bryan O'Sullivan <bryano@fb.com>
parents:
19725
diff
changeset
|
695 Py_INCREF(entry); |
b3c8c6f2b5c1
parsers: use Py_INCREF safely
Bryan O'Sullivan <bryano@fb.com>
parents:
19725
diff
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|
696 } |
16363
2cdd7e63211b
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Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
697 |
2cdd7e63211b
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Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
698 self->cache[pos] = entry; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
699 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
700 return entry; |
2cdd7e63211b
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Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
701 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
702 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
703 /* |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
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|
704 * Return the 20-byte SHA of the node corresponding to the given rev. |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
705 */ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
706 static const char *index_node(indexObject *self, Py_ssize_t pos) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
707 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
708 Py_ssize_t length = index_length(self); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
709 const char *data; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
710 |
16664
5bc6edf71b39
parsers: ensure that nullid is always present in the radix tree
Bryan O'Sullivan <bryano@fb.com>
parents:
16663
diff
changeset
|
711 if (pos == length - 1 || pos == INT_MAX) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
712 return nullid; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
713 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
714 if (pos >= length) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
715 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
716 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
717 if (pos >= self->length - 1) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
718 PyObject *tuple, *str; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
719 tuple = PyList_GET_ITEM(self->added, pos - self->length + 1); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
720 str = PyTuple_GetItem(tuple, 7); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
721 return str ? PyString_AS_STRING(str) : NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
722 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
723 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
724 data = index_deref(self, pos); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
725 return data ? data + 32 : NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
726 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
727 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
728 static int nt_insert(indexObject *self, const char *node, int rev); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
729 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
730 static int node_check(PyObject *obj, char **node, Py_ssize_t *nodelen) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
731 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
732 if (PyString_AsStringAndSize(obj, node, nodelen) == -1) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
733 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
734 if (*nodelen == 20) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
735 return 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
736 PyErr_SetString(PyExc_ValueError, "20-byte hash required"); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
737 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
738 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
739 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
740 static PyObject *index_insert(indexObject *self, PyObject *args) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
741 { |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
742 PyObject *obj; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
743 char *node; |
22604
5e0d1478db8e
parsers: fix Py2.4 argument parsing issue
Matt Mackall <mpm@selenic.com>
parents:
22540
diff
changeset
|
744 int index; |
5e0d1478db8e
parsers: fix Py2.4 argument parsing issue
Matt Mackall <mpm@selenic.com>
parents:
22540
diff
changeset
|
745 Py_ssize_t len, nodelen; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
746 |
22604
5e0d1478db8e
parsers: fix Py2.4 argument parsing issue
Matt Mackall <mpm@selenic.com>
parents:
22540
diff
changeset
|
747 if (!PyArg_ParseTuple(args, "iO", &index, &obj)) |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
748 return NULL; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
749 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
750 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
|
751 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
|
752 return NULL; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
753 } |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
754 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
755 if (node_check(PyTuple_GET_ITEM(obj, 7), &node, &nodelen) == -1) |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
756 return NULL; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
757 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
758 len = index_length(self); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
759 |
22604
5e0d1478db8e
parsers: fix Py2.4 argument parsing issue
Matt Mackall <mpm@selenic.com>
parents:
22540
diff
changeset
|
760 if (index < 0) |
5e0d1478db8e
parsers: fix Py2.4 argument parsing issue
Matt Mackall <mpm@selenic.com>
parents:
22540
diff
changeset
|
761 index += len; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
762 |
22604
5e0d1478db8e
parsers: fix Py2.4 argument parsing issue
Matt Mackall <mpm@selenic.com>
parents:
22540
diff
changeset
|
763 if (index != len - 1) { |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
764 PyErr_SetString(PyExc_IndexError, |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
765 "insert only supported at index -1"); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
766 return NULL; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
767 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
768 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
769 if (self->added == NULL) { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
770 self->added = PyList_New(0); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
771 if (self->added == NULL) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
772 return NULL; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
773 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
774 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
775 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
|
776 return NULL; |
13254
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
changeset
|
777 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
778 if (self->nt) |
22604
5e0d1478db8e
parsers: fix Py2.4 argument parsing issue
Matt Mackall <mpm@selenic.com>
parents:
22540
diff
changeset
|
779 nt_insert(self, node, index); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
780 |
16787
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
781 Py_CLEAR(self->headrevs); |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
782 Py_RETURN_NONE; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
783 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
784 |
16370
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
785 static void _index_clearcaches(indexObject *self) |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
786 { |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
787 if (self->cache) { |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
788 Py_ssize_t i; |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
789 |
16732
277e2acb7e5c
parsers: use Py_CLEAR where appropriate
Bryan O'Sullivan <bryano@fb.com>
parents:
16699
diff
changeset
|
790 for (i = 0; i < self->raw_length; i++) |
277e2acb7e5c
parsers: use Py_CLEAR where appropriate
Bryan O'Sullivan <bryano@fb.com>
parents:
16699
diff
changeset
|
791 Py_CLEAR(self->cache[i]); |
16370
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
792 free(self->cache); |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
793 self->cache = NULL; |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
794 } |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
795 if (self->offsets) { |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
796 free(self->offsets); |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
797 self->offsets = NULL; |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
798 } |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
799 if (self->nt) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
800 free(self->nt); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
801 self->nt = NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
802 } |
16787
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
803 Py_CLEAR(self->headrevs); |
16370
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
804 } |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
805 |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
806 static PyObject *index_clearcaches(indexObject *self) |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
807 { |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
808 _index_clearcaches(self); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
809 self->ntlength = self->ntcapacity = 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
810 self->ntdepth = self->ntsplits = 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
811 self->ntrev = -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
812 self->ntlookups = self->ntmisses = 0; |
16370
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
813 Py_RETURN_NONE; |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
814 } |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
815 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
816 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
|
817 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
818 PyObject *obj = PyDict_New(); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
819 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
820 if (obj == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
821 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
822 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
823 #define istat(__n, __d) \ |
16629
1435866c1937
parser: use PyInt_FromSsize_t in index_stats
Adrian Buehlmann <adrian@cadifra.com>
parents:
16621
diff
changeset
|
824 if (PyDict_SetItemString(obj, __d, PyInt_FromSsize_t(self->__n)) == -1) \ |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
825 goto bail; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
826 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
827 if (self->added) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
828 Py_ssize_t 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
|
829 if (PyDict_SetItemString(obj, "index entries added", |
16629
1435866c1937
parser: use PyInt_FromSsize_t in index_stats
Adrian Buehlmann <adrian@cadifra.com>
parents:
16621
diff
changeset
|
830 PyInt_FromSsize_t(len)) == -1) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
831 goto bail; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
832 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
833 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
834 if (self->raw_length != self->length - 1) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
835 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
|
836 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
|
837 istat(ntcapacity, "node trie capacity"); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
838 istat(ntdepth, "node trie depth"); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
839 istat(ntlength, "node trie count"); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
840 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
|
841 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
|
842 istat(ntrev, "node trie last rev scanned"); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
843 istat(ntsplits, "node trie splits"); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
844 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
845 #undef istat |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
846 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
847 return obj; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
848 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
849 bail: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
850 Py_XDECREF(obj); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
851 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
852 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
853 |
16787
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
854 /* |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
855 * 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
|
856 * the cached copy. |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
857 */ |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
858 static PyObject *list_copy(PyObject *list) |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
859 { |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
860 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
|
861 PyObject *newlist = PyList_New(len); |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
862 Py_ssize_t i; |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
863 |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
864 if (newlist == NULL) |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
865 return NULL; |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
866 |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
867 for (i = 0; i < len; i++) { |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
868 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
|
869 Py_INCREF(obj); |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
870 PyList_SET_ITEM(newlist, i, obj); |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
871 } |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
872 |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
873 return newlist; |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
874 } |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
875 |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
876 static int check_filter(PyObject *filter, Py_ssize_t arg) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
877 if (filter) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
878 PyObject *arglist, *result; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
879 int isfiltered; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
880 |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
881 arglist = Py_BuildValue("(n)", arg); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
882 if (!arglist) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
883 return -1; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
884 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
885 |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
886 result = PyEval_CallObject(filter, arglist); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
887 Py_DECREF(arglist); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
888 if (!result) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
889 return -1; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
890 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
891 |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
892 /* 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
|
893 * 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
|
894 isfiltered = PyObject_IsTrue(result); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
895 Py_DECREF(result); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
896 return isfiltered; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
897 } else { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
898 return 0; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
899 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
900 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
901 |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
902 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
|
903 { |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
904 Py_ssize_t i, len, addlen; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
905 char *nothead = NULL; |
22540
9a860ac8c216
parsers: fix uninitialize variable warning
David Soria Parra <davidsp@fb.com>
parents:
22484
diff
changeset
|
906 PyObject *heads = NULL; |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
907 PyObject *filter = NULL; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
908 PyObject *filteredrevs = Py_None; |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
909 |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
910 if (!PyArg_ParseTuple(args, "|O", &filteredrevs)) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
911 return NULL; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
912 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
913 |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
914 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
|
915 return list_copy(self->headrevs); |
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
916 |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
917 Py_DECREF(self->filteredrevs); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
918 self->filteredrevs = filteredrevs; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
919 Py_INCREF(filteredrevs); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
920 |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
921 if (filteredrevs != Py_None) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
922 filter = PyObject_GetAttrString(filteredrevs, "__contains__"); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
923 if (!filter) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
924 PyErr_SetString(PyExc_TypeError, |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
925 "filteredrevs has no attribute __contains__"); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
926 goto bail; |
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 |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
930 len = index_length(self) - 1; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
931 heads = PyList_New(0); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
932 if (heads == NULL) |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
933 goto bail; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
934 if (len == 0) { |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
935 PyObject *nullid = PyInt_FromLong(-1); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
936 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
|
937 Py_XDECREF(nullid); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
938 goto bail; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
939 } |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
940 goto done; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
941 } |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
942 |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
943 nothead = calloc(len, 1); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
944 if (nothead == NULL) |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
945 goto bail; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
946 |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
947 for (i = 0; i < self->raw_length; i++) { |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
948 const char *data; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
949 int parent_1, parent_2, isfiltered; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
950 |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
951 isfiltered = check_filter(filter, i); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
952 if (isfiltered == -1) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
953 PyErr_SetString(PyExc_TypeError, |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
954 "unable to check filter"); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
955 goto bail; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
956 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
957 |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
958 if (isfiltered) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
959 nothead[i] = 1; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
960 continue; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
961 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
962 |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
963 data = index_deref(self, i); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
964 parent_1 = getbe32(data + 24); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
965 parent_2 = getbe32(data + 28); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
966 |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
967 if (parent_1 >= 0) |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
968 nothead[parent_1] = 1; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
969 if (parent_2 >= 0) |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
970 nothead[parent_2] = 1; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
971 } |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
972 |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
973 addlen = self->added ? PyList_GET_SIZE(self->added) : 0; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
974 |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
975 for (i = 0; i < addlen; i++) { |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
976 PyObject *rev = PyList_GET_ITEM(self->added, i); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
977 PyObject *p1 = PyTuple_GET_ITEM(rev, 5); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
978 PyObject *p2 = PyTuple_GET_ITEM(rev, 6); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
979 long parent_1, parent_2; |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
980 int isfiltered; |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
981 |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
982 if (!PyInt_Check(p1) || !PyInt_Check(p2)) { |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
983 PyErr_SetString(PyExc_TypeError, |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
984 "revlog parents are invalid"); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
985 goto bail; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
986 } |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
987 |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
988 isfiltered = check_filter(filter, i); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
989 if (isfiltered == -1) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
990 PyErr_SetString(PyExc_TypeError, |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
991 "unable to check filter"); |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
992 goto bail; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
993 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
994 |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
995 if (isfiltered) { |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
996 nothead[i] = 1; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
997 continue; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
998 } |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
999 |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1000 parent_1 = PyInt_AS_LONG(p1); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1001 parent_2 = PyInt_AS_LONG(p2); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1002 if (parent_1 >= 0) |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1003 nothead[parent_1] = 1; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1004 if (parent_2 >= 0) |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1005 nothead[parent_2] = 1; |
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 |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1008 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
|
1009 PyObject *head; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1010 |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1011 if (nothead[i]) |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1012 continue; |
22400
888bc106de83
parsers: fix typing issue when constructing Python integer object
Henrik Stuart <hg@hstuart.dk>
parents:
22399
diff
changeset
|
1013 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
|
1014 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
|
1015 Py_XDECREF(head); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1016 goto bail; |
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 } |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1019 |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1020 done: |
16787
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
1021 self->headrevs = heads; |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
1022 Py_XDECREF(filter); |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1023 free(nothead); |
16787
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16786
diff
changeset
|
1024 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
|
1025 bail: |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
1026 Py_XDECREF(filter); |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1027 Py_XDECREF(heads); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1028 free(nothead); |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1029 return NULL; |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1030 } |
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
1031 |
16618
6bae941b58ad
parsers: change the type of nt_level
Bryan O'Sullivan <bryano@fb.com>
parents:
16617
diff
changeset
|
1032 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
|
1033 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1034 int v = node[level>>1]; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1035 if (!(level & 1)) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1036 v >>= 4; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1037 return v & 0xf; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1038 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1039 |
16616
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1040 /* |
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1041 * Return values: |
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1042 * |
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1043 * -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
|
1044 * -2: not found |
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1045 * rest: valid rev |
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1046 */ |
16663 | 1047 static int nt_find(indexObject *self, const char *node, Py_ssize_t nodelen, |
1048 int hex) | |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1049 { |
16663 | 1050 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
|
1051 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
|
1052 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1053 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
|
1054 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1055 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1056 if (self->nt == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1057 return -2; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1058 |
16663 | 1059 if (hex) |
16665
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1060 maxlevel = nodelen > 40 ? 40 : (int)nodelen; |
16663 | 1061 else |
1062 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
|
1063 |
e6dfbc5df76f
parsers: use the correct maximum radix tree depth
Bryan O'Sullivan <bryano@fb.com>
parents:
16604
diff
changeset
|
1064 for (level = off = 0; level < maxlevel; level++) { |
16663 | 1065 int k = getnybble(node, level); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1066 nodetree *n = &self->nt[off]; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1067 int v = n->children[k]; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1068 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1069 if (v < 0) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1070 const char *n; |
16663 | 1071 Py_ssize_t i; |
1072 | |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1073 v = -v - 1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1074 n = index_node(self, v); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1075 if (n == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1076 return -2; |
16663 | 1077 for (i = level; i < maxlevel; i++) |
1078 if (getnybble(node, i) != nt_level(n, i)) | |
1079 return -2; | |
1080 return v; | |
16414
e8d37b78acfb
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Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1081 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1082 if (v == 0) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1083 return -2; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1084 off = v; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1085 } |
16616
8f79aabd96f6
parsers: allow nt_find to signal an ambiguous match
Bryan O'Sullivan <bryano@fb.com>
parents:
16615
diff
changeset
|
1086 /* 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
|
1087 return -4; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1088 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1089 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1090 static int nt_new(indexObject *self) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1091 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1092 if (self->ntlength == self->ntcapacity) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1093 self->ntcapacity *= 2; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1094 self->nt = realloc(self->nt, |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1095 self->ntcapacity * sizeof(nodetree)); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1096 if (self->nt == NULL) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1097 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
|
1098 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1099 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1100 memset(&self->nt[self->ntlength], 0, |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1101 sizeof(nodetree) * (self->ntcapacity - self->ntlength)); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1102 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1103 return self->ntlength++; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1104 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1105 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1106 static int nt_insert(indexObject *self, const char *node, int rev) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1107 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1108 int level = 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1109 int off = 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1110 |
16641
e6dfbc5df76f
parsers: use the correct maximum radix tree depth
Bryan O'Sullivan <bryano@fb.com>
parents:
16604
diff
changeset
|
1111 while (level < 40) { |
16414
e8d37b78acfb
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Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1112 int k = nt_level(node, level); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1113 nodetree *n; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1114 int v; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1115 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1116 n = &self->nt[off]; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1117 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
|
1118 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1119 if (v == 0) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1120 n->children[k] = -rev - 1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1121 return 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1122 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1123 if (v < 0) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1124 const char *oldnode = index_node(self, -v - 1); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1125 int noff; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1126 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1127 if (!oldnode || !memcmp(oldnode, node, 20)) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1128 n->children[k] = -rev - 1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1129 return 0; |
e8d37b78acfb
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Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1130 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1131 noff = nt_new(self); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1132 if (noff == -1) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1133 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1134 /* self->nt may have been changed by realloc */ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1135 self->nt[off].children[k] = noff; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1136 off = noff; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1137 n = &self->nt[off]; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1138 n->children[nt_level(oldnode, ++level)] = v; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1139 if (level > self->ntdepth) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1140 self->ntdepth = level; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1141 self->ntsplits += 1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1142 } else { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1143 level += 1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1144 off = v; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1145 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1146 } |
e8d37b78acfb
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Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1147 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1148 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1149 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1150 |
16615
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1151 static int nt_init(indexObject *self) |
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1152 { |
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1153 if (self->nt == NULL) { |
20110
40b7c6e4b993
mercurial/parsers.c: fix compiler warning
Abhay Kadam <abhaykadam88@gmail.com>
parents:
19728
diff
changeset
|
1154 if (self->raw_length > INT_MAX) { |
40b7c6e4b993
mercurial/parsers.c: fix compiler warning
Abhay Kadam <abhaykadam88@gmail.com>
parents:
19728
diff
changeset
|
1155 PyErr_SetString(PyExc_ValueError, "overflow in nt_init"); |
40b7c6e4b993
mercurial/parsers.c: fix compiler warning
Abhay Kadam <abhaykadam88@gmail.com>
parents:
19728
diff
changeset
|
1156 return -1; |
40b7c6e4b993
mercurial/parsers.c: fix compiler warning
Abhay Kadam <abhaykadam88@gmail.com>
parents:
19728
diff
changeset
|
1157 } |
16615
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1158 self->ntcapacity = self->raw_length < 4 |
20110
40b7c6e4b993
mercurial/parsers.c: fix compiler warning
Abhay Kadam <abhaykadam88@gmail.com>
parents:
19728
diff
changeset
|
1159 ? 4 : (int)self->raw_length / 2; |
40b7c6e4b993
mercurial/parsers.c: fix compiler warning
Abhay Kadam <abhaykadam88@gmail.com>
parents:
19728
diff
changeset
|
1160 |
16615
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1161 self->nt = calloc(self->ntcapacity, sizeof(nodetree)); |
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1162 if (self->nt == NULL) { |
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1163 PyErr_NoMemory(); |
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1164 return -1; |
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1165 } |
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1166 self->ntlength = 1; |
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1167 self->ntrev = (int)index_length(self) - 1; |
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1168 self->ntlookups = 1; |
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1169 self->ntmisses = 0; |
16664
5bc6edf71b39
parsers: ensure that nullid is always present in the radix tree
Bryan O'Sullivan <bryano@fb.com>
parents:
16663
diff
changeset
|
1170 if (nt_insert(self, nullid, INT_MAX) == -1) |
5bc6edf71b39
parsers: ensure that nullid is always present in the radix tree
Bryan O'Sullivan <bryano@fb.com>
parents:
16663
diff
changeset
|
1171 return -1; |
16615
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1172 } |
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1173 return 0; |
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1174 } |
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1175 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1176 /* |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1177 * Return values: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1178 * |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1179 * -3: error (exception set) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1180 * -2: not found (no exception set) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1181 * rest: valid rev |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1182 */ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1183 static int index_find_node(indexObject *self, |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1184 const char *node, Py_ssize_t nodelen) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1185 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1186 int rev; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1187 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1188 self->ntlookups++; |
16663 | 1189 rev = nt_find(self, node, nodelen, 0); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1190 if (rev >= -1) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1191 return rev; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1192 |
16615
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1193 if (nt_init(self) == -1) |
96fa9dd1db38
parsers: factor out radix tree initialization
Bryan O'Sullivan <bryano@fb.com>
parents:
16614
diff
changeset
|
1194 return -3; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1195 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1196 /* |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1197 * For the first handful of lookups, we scan the entire index, |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1198 * and cache only the matching nodes. This optimizes for cases |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1199 * like "hg tip", where only a few nodes are accessed. |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1200 * |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1201 * After that, we cache every node we visit, using a single |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1202 * scan amortized over multiple lookups. This gives the best |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1203 * bulk performance, e.g. for "hg log". |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1204 */ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1205 if (self->ntmisses++ < 4) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1206 for (rev = self->ntrev - 1; rev >= 0; rev--) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1207 const char *n = index_node(self, rev); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1208 if (n == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1209 return -2; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1210 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
|
1211 if (nt_insert(self, n, rev) == -1) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1212 return -3; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1213 break; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1214 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1215 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1216 } else { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1217 for (rev = self->ntrev - 1; rev >= 0; rev--) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1218 const char *n = index_node(self, rev); |
16614
1d800eb9ba52
parsers: update ntrev when we stop scanning
Bryan O'Sullivan <bryano@fb.com>
parents:
16597
diff
changeset
|
1219 if (n == NULL) { |
1d800eb9ba52
parsers: update ntrev when we stop scanning
Bryan O'Sullivan <bryano@fb.com>
parents:
16597
diff
changeset
|
1220 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
|
1221 return -2; |
16614
1d800eb9ba52
parsers: update ntrev when we stop scanning
Bryan O'Sullivan <bryano@fb.com>
parents:
16597
diff
changeset
|
1222 } |
1d800eb9ba52
parsers: update ntrev when we stop scanning
Bryan O'Sullivan <bryano@fb.com>
parents:
16597
diff
changeset
|
1223 if (nt_insert(self, n, rev) == -1) { |
1d800eb9ba52
parsers: update ntrev when we stop scanning
Bryan O'Sullivan <bryano@fb.com>
parents:
16597
diff
changeset
|
1224 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
|
1225 return -3; |
16614
1d800eb9ba52
parsers: update ntrev when we stop scanning
Bryan O'Sullivan <bryano@fb.com>
parents:
16597
diff
changeset
|
1226 } |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1227 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
|
1228 break; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1229 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1230 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1231 self->ntrev = rev; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1232 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1233 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1234 if (rev >= 0) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1235 return rev; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1236 return -2; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1237 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1238 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1239 static PyObject *raise_revlog_error(void) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1240 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1241 static PyObject *errclass; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1242 PyObject *mod = NULL, *errobj; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1243 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1244 if (errclass == NULL) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1245 PyObject *dict; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1246 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1247 mod = PyImport_ImportModule("mercurial.error"); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1248 if (mod == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1249 goto classfail; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1250 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1251 dict = PyModule_GetDict(mod); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1252 if (dict == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1253 goto classfail; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1254 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1255 errclass = PyDict_GetItemString(dict, "RevlogError"); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1256 if (errclass == NULL) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1257 PyErr_SetString(PyExc_SystemError, |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1258 "could not find RevlogError"); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1259 goto classfail; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1260 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1261 Py_INCREF(errclass); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1262 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1263 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1264 errobj = PyObject_CallFunction(errclass, NULL); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1265 if (errobj == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1266 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1267 PyErr_SetObject(errclass, errobj); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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16393
diff
changeset
|
1268 return errobj; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1269 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1270 classfail: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1271 Py_XDECREF(mod); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1272 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1273 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1274 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1275 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
|
1276 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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16393
diff
changeset
|
1277 char *node; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1278 Py_ssize_t nodelen; |
e8d37b78acfb
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Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1279 int rev; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1280 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1281 if (PyInt_Check(value)) |
e8d37b78acfb
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Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1282 return index_get(self, PyInt_AS_LONG(value)); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1283 |
16679
2950d186a927
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Bryan O'Sullivan <bryano@fb.com>
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16641
diff
changeset
|
1284 if (node_check(value, &node, &nodelen) == -1) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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16393
diff
changeset
|
1285 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1286 rev = index_find_node(self, node, nodelen); |
e8d37b78acfb
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Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1287 if (rev >= -1) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1288 return PyInt_FromLong(rev); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1289 if (rev == -2) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1290 raise_revlog_error(); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1291 return NULL; |
e8d37b78acfb
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Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1292 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1293 |
16665
e410be860393
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parents:
16664
diff
changeset
|
1294 static int nt_partialmatch(indexObject *self, const char *node, |
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Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1295 Py_ssize_t nodelen) |
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diff
changeset
|
1296 { |
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revlog: speed up prefix matching against nodes
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parents:
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diff
changeset
|
1297 int rev; |
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revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1298 |
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revlog: speed up prefix matching against nodes
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parents:
16664
diff
changeset
|
1299 if (nt_init(self) == -1) |
e410be860393
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parents:
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diff
changeset
|
1300 return -3; |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1301 |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1302 if (self->ntrev > 0) { |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1303 /* ensure that the radix tree is fully populated */ |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1304 for (rev = self->ntrev - 1; rev >= 0; rev--) { |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1305 const char *n = index_node(self, rev); |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1306 if (n == NULL) |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
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16664
diff
changeset
|
1307 return -2; |
e410be860393
revlog: speed up prefix matching against nodes
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16664
diff
changeset
|
1308 if (nt_insert(self, n, rev) == -1) |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
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16664
diff
changeset
|
1309 return -3; |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1310 } |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1311 self->ntrev = rev; |
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diff
changeset
|
1312 } |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1313 |
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16664
diff
changeset
|
1314 return nt_find(self, node, nodelen, 1); |
e410be860393
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diff
changeset
|
1315 } |
e410be860393
revlog: speed up prefix matching against nodes
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diff
changeset
|
1316 |
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diff
changeset
|
1317 static PyObject *index_partialmatch(indexObject *self, PyObject *args) |
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diff
changeset
|
1318 { |
e410be860393
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parents:
16664
diff
changeset
|
1319 const char *fullnode; |
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parents:
16664
diff
changeset
|
1320 int nodelen; |
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parents:
16664
diff
changeset
|
1321 char *node; |
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Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1322 int rev, i; |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1323 |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1324 if (!PyArg_ParseTuple(args, "s#", &node, &nodelen)) |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1325 return NULL; |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1326 |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1327 if (nodelen < 4) { |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
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16664
diff
changeset
|
1328 PyErr_SetString(PyExc_ValueError, "key too short"); |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1329 return NULL; |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1330 } |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1331 |
17353
bde1185f406c
revlog: don't try to partialmatch strings those length > 40
sorcerer
parents:
17165
diff
changeset
|
1332 if (nodelen > 40) { |
bde1185f406c
revlog: don't try to partialmatch strings those length > 40
sorcerer
parents:
17165
diff
changeset
|
1333 PyErr_SetString(PyExc_ValueError, "key too long"); |
bde1185f406c
revlog: don't try to partialmatch strings those length > 40
sorcerer
parents:
17165
diff
changeset
|
1334 return NULL; |
bde1185f406c
revlog: don't try to partialmatch strings those length > 40
sorcerer
parents:
17165
diff
changeset
|
1335 } |
16665
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1336 |
e410be860393
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parents:
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diff
changeset
|
1337 for (i = 0; i < nodelen; i++) |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1338 hexdigit(node, i); |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1339 if (PyErr_Occurred()) { |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1340 /* input contains non-hex characters */ |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1341 PyErr_Clear(); |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1342 Py_RETURN_NONE; |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1343 } |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1344 |
e410be860393
revlog: speed up prefix matching against nodes
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parents:
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diff
changeset
|
1345 rev = nt_partialmatch(self, node, nodelen); |
e410be860393
revlog: speed up prefix matching against nodes
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parents:
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diff
changeset
|
1346 |
e410be860393
revlog: speed up prefix matching against nodes
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parents:
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diff
changeset
|
1347 switch (rev) { |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1348 case -4: |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1349 raise_revlog_error(); |
e410be860393
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parents:
16664
diff
changeset
|
1350 case -3: |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1351 return NULL; |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1352 case -2: |
e410be860393
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parents:
16664
diff
changeset
|
1353 Py_RETURN_NONE; |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1354 case -1: |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1355 return PyString_FromStringAndSize(nullid, 20); |
e410be860393
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Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1356 } |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1357 |
e410be860393
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diff
changeset
|
1358 fullnode = index_node(self, rev); |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1359 if (fullnode == NULL) { |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1360 PyErr_Format(PyExc_IndexError, |
e410be860393
revlog: speed up prefix matching against nodes
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parents:
16664
diff
changeset
|
1361 "could not access rev %d", rev); |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1362 return NULL; |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1363 } |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
1364 return PyString_FromStringAndSize(fullnode, 20); |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1365 } |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1366 |
16414
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Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1367 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>
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diff
changeset
|
1368 { |
16679
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diff
changeset
|
1369 Py_ssize_t nodelen; |
2950d186a927
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diff
changeset
|
1370 PyObject *val; |
16414
e8d37b78acfb
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diff
changeset
|
1371 char *node; |
16679
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diff
changeset
|
1372 int rev; |
16414
e8d37b78acfb
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Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1373 |
16679
2950d186a927
parsers: strictly check for 20-byte hashes where they're required
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1374 if (!PyArg_ParseTuple(args, "O", &val)) |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1375 return NULL; |
16679
2950d186a927
parsers: strictly check for 20-byte hashes where they're required
Bryan O'Sullivan <bryano@fb.com>
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16641
diff
changeset
|
1376 if (node_check(val, &node, &nodelen) == -1) |
2950d186a927
parsers: strictly check for 20-byte hashes where they're required
Bryan O'Sullivan <bryano@fb.com>
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16641
diff
changeset
|
1377 return NULL; |
16414
e8d37b78acfb
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Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1378 rev = index_find_node(self, node, nodelen); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1379 if (rev == -3) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1380 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1381 if (rev == -2) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1382 Py_RETURN_NONE; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1383 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
|
1384 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1385 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1386 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
|
1387 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1388 char *node; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1389 Py_ssize_t nodelen; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1390 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1391 if (PyInt_Check(value)) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1392 long rev = PyInt_AS_LONG(value); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1393 return rev >= -1 && rev < index_length(self); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1394 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1395 |
16679
2950d186a927
parsers: strictly check for 20-byte hashes where they're required
Bryan O'Sullivan <bryano@fb.com>
parents:
16641
diff
changeset
|
1396 if (node_check(value, &node, &nodelen) == -1) |
2950d186a927
parsers: strictly check for 20-byte hashes where they're required
Bryan O'Sullivan <bryano@fb.com>
parents:
16641
diff
changeset
|
1397 return -1; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1398 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1399 switch (index_find_node(self, node, nodelen)) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1400 case -3: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1401 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1402 case -2: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1403 return 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1404 default: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1405 return 1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1406 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1407 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1408 |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1409 static inline void index_get_parents(indexObject *self, int rev, int *ps) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1410 { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1411 if (rev >= self->length - 1) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1412 PyObject *tuple = PyList_GET_ITEM(self->added, |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1413 rev - self->length + 1); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1414 ps[0] = (int)PyInt_AS_LONG(PyTuple_GET_ITEM(tuple, 5)); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1415 ps[1] = (int)PyInt_AS_LONG(PyTuple_GET_ITEM(tuple, 6)); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1416 } else { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1417 const char *data = index_deref(self, rev); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1418 ps[0] = getbe32(data + 24); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1419 ps[1] = getbe32(data + 28); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1420 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1421 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1422 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1423 typedef uint64_t bitmask; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1424 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1425 /* |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1426 * 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
|
1427 * 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
|
1428 * "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
|
1429 */ |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1430 static PyObject *find_gca_candidates(indexObject *self, const int *revs, |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1431 int revcount) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1432 { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1433 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
|
1434 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
|
1435 PyObject *gca = PyList_New(0); |
20555
4add43865a9b
ancestors: remove unnecessary handling of 'left'
Mads Kiilerich <madski@unity3d.com>
parents:
20554
diff
changeset
|
1436 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
|
1437 int maxrev = -1; |
22399
9f490afcb067
parsers: use bitmask type consistently in find_gca_candidates
Henrik Stuart <hg@hstuart.dk>
parents:
21871
diff
changeset
|
1438 bitmask sp; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1439 bitmask *seen; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1440 |
19727
3d07b4a2f743
parsers: correctly handle a failed allocation
Bryan O'Sullivan <bryano@fb.com>
parents:
19726
diff
changeset
|
1441 if (gca == NULL) |
3d07b4a2f743
parsers: correctly handle a failed allocation
Bryan O'Sullivan <bryano@fb.com>
parents:
19726
diff
changeset
|
1442 return PyErr_NoMemory(); |
3d07b4a2f743
parsers: correctly handle a failed allocation
Bryan O'Sullivan <bryano@fb.com>
parents:
19726
diff
changeset
|
1443 |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1444 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
|
1445 if (revs[i] > maxrev) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1446 maxrev = revs[i]; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1447 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1448 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1449 seen = calloc(sizeof(*seen), maxrev + 1); |
19727
3d07b4a2f743
parsers: correctly handle a failed allocation
Bryan O'Sullivan <bryano@fb.com>
parents:
19726
diff
changeset
|
1450 if (seen == NULL) { |
3d07b4a2f743
parsers: correctly handle a failed allocation
Bryan O'Sullivan <bryano@fb.com>
parents:
19726
diff
changeset
|
1451 Py_DECREF(gca); |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1452 return PyErr_NoMemory(); |
19727
3d07b4a2f743
parsers: correctly handle a failed allocation
Bryan O'Sullivan <bryano@fb.com>
parents:
19726
diff
changeset
|
1453 } |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1454 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1455 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
|
1456 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
|
1457 |
20555
4add43865a9b
ancestors: remove unnecessary handling of 'left'
Mads Kiilerich <madski@unity3d.com>
parents:
20554
diff
changeset
|
1458 interesting = revcount; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1459 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1460 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
|
1461 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
|
1462 int parents[2]; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1463 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1464 if (!sv) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1465 continue; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1466 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1467 if (sv < poison) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1468 interesting -= 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1469 if (sv == allseen) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1470 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
|
1471 if (obj == NULL) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1472 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1473 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
|
1474 Py_DECREF(obj); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1475 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1476 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1477 sv |= poison; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1478 for (i = 0; i < revcount; i++) { |
20555
4add43865a9b
ancestors: remove unnecessary handling of 'left'
Mads Kiilerich <madski@unity3d.com>
parents:
20554
diff
changeset
|
1479 if (revs[i] == v) |
4add43865a9b
ancestors: remove unnecessary handling of 'left'
Mads Kiilerich <madski@unity3d.com>
parents:
20554
diff
changeset
|
1480 goto done; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1481 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1482 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1483 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1484 index_get_parents(self, v, parents); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1485 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1486 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
|
1487 int p = parents[i]; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1488 if (p == -1) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1489 continue; |
19030
48d6f436363e
parsers: fix variable declaration position issue
Matt Mackall <mpm@selenic.com>
parents:
18988
diff
changeset
|
1490 sp = seen[p]; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1491 if (sv < poison) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1492 if (sp == 0) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1493 seen[p] = sv; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1494 interesting++; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1495 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1496 else if (sp != sv) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1497 seen[p] |= sv; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1498 } else { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1499 if (sp && sp < poison) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1500 interesting--; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1501 seen[p] = sv; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1502 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1503 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1504 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1505 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1506 done: |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1507 free(seen); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1508 return gca; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1509 bail: |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1510 free(seen); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1511 Py_XDECREF(gca); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1512 return NULL; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1513 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1514 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1515 /* |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1516 * 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
|
1517 * path to the root. |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1518 */ |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1519 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
|
1520 { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1521 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
|
1522 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
|
1523 int *depth, *interesting = NULL; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1524 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
|
1525 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
|
1526 long *seen = NULL; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1527 int maxrev = -1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1528 long final; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1529 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1530 if (revcount > capacity) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1531 PyErr_Format(PyExc_OverflowError, |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1532 "bitset size (%ld) > capacity (%ld)", |
19062
365b0de17c1c
parsers: remove warning: format ‘%ld’ expects argument of type ‘long int’
André Sintzoff <andre.sintzoff@gmail.com>
parents:
19030
diff
changeset
|
1533 (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
|
1534 return NULL; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1535 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1536 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1537 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
|
1538 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
|
1539 if (n > maxrev) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1540 maxrev = n; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1541 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1542 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1543 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
|
1544 if (depth == NULL) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1545 return PyErr_NoMemory(); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1546 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1547 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
|
1548 if (seen == NULL) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1549 PyErr_NoMemory(); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1550 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1551 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1552 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1553 interesting = calloc(sizeof(*interesting), 2 << revcount); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1554 if (interesting == NULL) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1555 PyErr_NoMemory(); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1556 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1557 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1558 |
19502
8704477ad3b6
ancestor.deepest: sort revs in C version
Siddharth Agarwal <sid0@fb.com>
parents:
19062
diff
changeset
|
1559 if (PyList_Sort(revs) == -1) |
8704477ad3b6
ancestor.deepest: sort revs in C version
Siddharth Agarwal <sid0@fb.com>
parents:
19062
diff
changeset
|
1560 goto bail; |
8704477ad3b6
ancestor.deepest: sort revs in C version
Siddharth Agarwal <sid0@fb.com>
parents:
19062
diff
changeset
|
1561 |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1562 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
|
1563 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
|
1564 long b = 1l << i; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1565 depth[n] = 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1566 seen[n] = b; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1567 interesting[b] = 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1568 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1569 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1570 ninteresting = (int)revcount; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1571 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1572 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
|
1573 int dv = depth[v]; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1574 int parents[2]; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1575 long sv; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1576 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1577 if (dv == 0) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1578 continue; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1579 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1580 sv = seen[v]; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1581 index_get_parents(self, v, parents); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1582 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1583 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
|
1584 int p = parents[i]; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1585 long nsp, sp; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1586 int dp; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1587 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1588 if (p == -1) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1589 continue; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1590 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1591 dp = depth[p]; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1592 nsp = sp = seen[p]; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1593 if (dp <= dv) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1594 depth[p] = dv + 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1595 if (sp != sv) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1596 interesting[sv] += 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1597 nsp = seen[p] = sv; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1598 if (sp) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1599 interesting[sp] -= 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1600 if (interesting[sp] == 0) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1601 ninteresting -= 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1602 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1603 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1604 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1605 else if (dv == dp - 1) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1606 nsp = sp | sv; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1607 if (nsp == sp) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1608 continue; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1609 seen[p] = nsp; |
19503
f2dfda6ac152
ancestor.deepest: decrement ninteresting correctly (issue3984)
Wei, Elson <elson.wei@gmail.com>
parents:
19502
diff
changeset
|
1610 interesting[sp] -= 1; |
f2dfda6ac152
ancestor.deepest: decrement ninteresting correctly (issue3984)
Wei, Elson <elson.wei@gmail.com>
parents:
19502
diff
changeset
|
1611 if (interesting[sp] == 0 && interesting[nsp] > 0) |
f2dfda6ac152
ancestor.deepest: decrement ninteresting correctly (issue3984)
Wei, Elson <elson.wei@gmail.com>
parents:
19502
diff
changeset
|
1612 ninteresting -= 1; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1613 interesting[nsp] += 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1614 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1615 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1616 interesting[sv] -= 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1617 if (interesting[sv] == 0) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1618 ninteresting -= 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1619 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1620 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1621 final = 0; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1622 j = ninteresting; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1623 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
|
1624 if (interesting[i] == 0) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1625 continue; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1626 final |= i; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1627 j -= 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1628 } |
21730
8da100383dc3
parsers.c: fix a couple of memory leaks
Danek Duvall <danek.duvall@oracle.com>
parents:
21103
diff
changeset
|
1629 if (final == 0) { |
8da100383dc3
parsers.c: fix a couple of memory leaks
Danek Duvall <danek.duvall@oracle.com>
parents:
21103
diff
changeset
|
1630 keys = PyList_New(0); |
8da100383dc3
parsers.c: fix a couple of memory leaks
Danek Duvall <danek.duvall@oracle.com>
parents:
21103
diff
changeset
|
1631 goto bail; |
8da100383dc3
parsers.c: fix a couple of memory leaks
Danek Duvall <danek.duvall@oracle.com>
parents:
21103
diff
changeset
|
1632 } |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1633 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1634 dict = PyDict_New(); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1635 if (dict == NULL) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1636 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1637 |
19504
2fa303619b4d
ancestor.deepest: ignore ninteresting while building result (issue3984)
Siddharth Agarwal <sid0@fb.com>
parents:
19503
diff
changeset
|
1638 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
|
1639 PyObject *key; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1640 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1641 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
|
1642 continue; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1643 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1644 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
|
1645 Py_INCREF(key); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1646 Py_INCREF(Py_None); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1647 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
|
1648 Py_DECREF(key); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1649 Py_DECREF(Py_None); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1650 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1651 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1652 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1653 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1654 keys = PyDict_Keys(dict); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1655 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1656 bail: |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1657 free(depth); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1658 free(seen); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1659 free(interesting); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1660 Py_XDECREF(dict); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1661 |
21730
8da100383dc3
parsers.c: fix a couple of memory leaks
Danek Duvall <danek.duvall@oracle.com>
parents:
21103
diff
changeset
|
1662 return keys; |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1663 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1664 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1665 /* |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1666 * Given a (possibly overlapping) set of revs, return the greatest |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1667 * common ancestors: those with the longest path to the root. |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1668 */ |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1669 static PyObject *index_ancestors(indexObject *self, PyObject *args) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1670 { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1671 PyObject *ret = NULL, *gca = NULL; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1672 Py_ssize_t argcount, i, len; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1673 bitmask repeat = 0; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1674 int revcount = 0; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1675 int *revs; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1676 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1677 argcount = PySequence_Length(args); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1678 revs = malloc(argcount * sizeof(*revs)); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1679 if (argcount > 0 && revs == NULL) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1680 return PyErr_NoMemory(); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1681 len = index_length(self) - 1; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1682 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1683 for (i = 0; i < argcount; i++) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1684 static const int capacity = 24; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1685 PyObject *obj = PySequence_GetItem(args, i); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1686 bitmask x; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1687 long val; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1688 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1689 if (!PyInt_Check(obj)) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1690 PyErr_SetString(PyExc_TypeError, |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1691 "arguments must all be ints"); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1692 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1693 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1694 val = PyInt_AsLong(obj); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1695 if (val == -1) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1696 ret = PyList_New(0); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1697 goto done; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1698 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1699 if (val < 0 || val >= len) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1700 PyErr_SetString(PyExc_IndexError, |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1701 "index out of range"); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1702 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1703 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1704 /* this cheesy bloom filter lets us avoid some more |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1705 * expensive duplicate checks in the common set-is-disjoint |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1706 * case */ |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1707 x = 1ull << (val & 0x3f); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1708 if (repeat & x) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1709 int k; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1710 for (k = 0; k < revcount; k++) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1711 if (val == revs[k]) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1712 goto duplicate; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1713 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1714 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1715 else repeat |= x; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1716 if (revcount >= capacity) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1717 PyErr_Format(PyExc_OverflowError, |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1718 "bitset size (%d) > capacity (%d)", |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1719 revcount, capacity); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1720 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1721 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1722 revs[revcount++] = (int)val; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1723 duplicate:; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1724 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1725 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1726 if (revcount == 0) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1727 ret = PyList_New(0); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1728 goto done; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1729 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1730 if (revcount == 1) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1731 PyObject *obj; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1732 ret = PyList_New(1); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1733 if (ret == NULL) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1734 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1735 obj = PyInt_FromLong(revs[0]); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1736 if (obj == NULL) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1737 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1738 PyList_SET_ITEM(ret, 0, obj); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1739 goto done; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1740 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1741 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1742 gca = find_gca_candidates(self, revs, revcount); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1743 if (gca == NULL) |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1744 goto bail; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1745 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1746 if (PyList_GET_SIZE(gca) <= 1) { |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1747 ret = gca; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1748 Py_INCREF(gca); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1749 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1750 else ret = find_deepest(self, gca); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1751 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1752 done: |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1753 free(revs); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1754 Py_XDECREF(gca); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1755 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1756 return ret; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1757 |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1758 bail: |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1759 free(revs); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1760 Py_XDECREF(gca); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1761 Py_XDECREF(ret); |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1762 return NULL; |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1763 } |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
1764 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1765 /* |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1766 * Given a (possibly overlapping) set of revs, return all the |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1767 * common ancestors heads: heads(::args[0] and ::a[1] and ...) |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1768 */ |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1769 static PyObject *index_commonancestorsheads(indexObject *self, PyObject *args) |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1770 { |
21103
628c16489d1c
parsers: remove unnecessary gca variable in index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
21102
diff
changeset
|
1771 PyObject *ret = NULL; |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1772 Py_ssize_t argcount, i, len; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1773 bitmask repeat = 0; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1774 int revcount = 0; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1775 int *revs; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1776 |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1777 argcount = PySequence_Length(args); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1778 revs = malloc(argcount * sizeof(*revs)); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1779 if (argcount > 0 && revs == NULL) |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1780 return PyErr_NoMemory(); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1781 len = index_length(self) - 1; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1782 |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1783 for (i = 0; i < argcount; i++) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1784 static const int capacity = 24; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1785 PyObject *obj = PySequence_GetItem(args, i); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1786 bitmask x; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1787 long val; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1788 |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1789 if (!PyInt_Check(obj)) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1790 PyErr_SetString(PyExc_TypeError, |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1791 "arguments must all be ints"); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1792 goto bail; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1793 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1794 val = PyInt_AsLong(obj); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1795 if (val == -1) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1796 ret = PyList_New(0); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1797 goto done; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1798 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1799 if (val < 0 || val >= len) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1800 PyErr_SetString(PyExc_IndexError, |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1801 "index out of range"); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1802 goto bail; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1803 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1804 /* this cheesy bloom filter lets us avoid some more |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1805 * expensive duplicate checks in the common set-is-disjoint |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1806 * case */ |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1807 x = 1ull << (val & 0x3f); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1808 if (repeat & x) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1809 int k; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1810 for (k = 0; k < revcount; k++) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1811 if (val == revs[k]) |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1812 goto duplicate; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1813 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1814 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1815 else repeat |= x; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1816 if (revcount >= capacity) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1817 PyErr_Format(PyExc_OverflowError, |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1818 "bitset size (%d) > capacity (%d)", |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1819 revcount, capacity); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1820 goto bail; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1821 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1822 revs[revcount++] = (int)val; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1823 duplicate:; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1824 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1825 |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1826 if (revcount == 0) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1827 ret = PyList_New(0); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1828 goto done; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1829 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1830 if (revcount == 1) { |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1831 PyObject *obj; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1832 ret = PyList_New(1); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1833 if (ret == NULL) |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1834 goto bail; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1835 obj = PyInt_FromLong(revs[0]); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1836 if (obj == NULL) |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1837 goto bail; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1838 PyList_SET_ITEM(ret, 0, obj); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1839 goto done; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1840 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1841 |
21103
628c16489d1c
parsers: remove unnecessary gca variable in index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
21102
diff
changeset
|
1842 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
|
1843 if (ret == NULL) |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1844 goto bail; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1845 |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1846 done: |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1847 free(revs); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1848 return ret; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1849 |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1850 bail: |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1851 free(revs); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
1852 Py_XDECREF(ret); |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
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|
1853 return NULL; |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
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changeset
|
1854 } |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
1855 |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
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|
1856 /* |
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|
1857 * Invalidate any trie entries introduced by added revs. |
e8d37b78acfb
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Bryan O'Sullivan <bryano@fb.com>
parents:
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|
1858 */ |
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Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
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|
1859 static void nt_invalidate_added(indexObject *self, Py_ssize_t start) |
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Bryan O'Sullivan <bryano@fb.com>
parents:
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|
1860 { |
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parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
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|
1861 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:
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changeset
|
1862 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1863 for (i = start; i < len; i++) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
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|
1864 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:
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diff
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|
1865 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:
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diff
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|
1866 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
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|
1867 nt_insert(self, PyString_AS_STRING(node), -1); |
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parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
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changeset
|
1868 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
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|
1869 |
16732
277e2acb7e5c
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Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
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|
1870 if (start == 0) |
277e2acb7e5c
parsers: use Py_CLEAR where appropriate
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
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|
1871 Py_CLEAR(self->added); |
16414
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parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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|
1872 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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|
1873 |
e8d37b78acfb
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Bryan O'Sullivan <bryano@fb.com>
parents:
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|
1874 /* |
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parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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|
1875 * Delete a numeric range of revs, which must be at the end of the |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
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|
1876 * range, but exclude the sentinel nullid entry. |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
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|
1877 */ |
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Bryan O'Sullivan <bryano@fb.com>
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|
1878 static int index_slice_del(indexObject *self, PyObject *item) |
16363
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Bryan O'Sullivan <bryano@fb.com>
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|
1879 { |
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parents:
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|
1880 Py_ssize_t start, stop, step, slicelength; |
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|
1881 Py_ssize_t length = index_length(self); |
16784
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Bryan O'Sullivan <bryano@fb.com>
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diff
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|
1882 int ret = 0; |
16363
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|
1883 |
2cdd7e63211b
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Bryan O'Sullivan <bryano@fb.com>
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|
1884 if (PySlice_GetIndicesEx((PySliceObject*)item, length, |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
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|
1885 &start, &stop, &step, &slicelength) < 0) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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|
1886 return -1; |
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Bryan O'Sullivan <bryano@fb.com>
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|
1887 |
2cdd7e63211b
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Bryan O'Sullivan <bryano@fb.com>
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15033
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|
1888 if (slicelength <= 0) |
2cdd7e63211b
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Bryan O'Sullivan <bryano@fb.com>
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|
1889 return 0; |
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Bryan O'Sullivan <bryano@fb.com>
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|
1890 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
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changeset
|
1891 if ((step < 0 && start < stop) || (step > 0 && start > stop)) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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|
1892 stop = start; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
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diff
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|
1893 |
16363
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|
1894 if (step < 0) { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
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|
1895 stop = start + 1; |
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parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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|
1896 start = stop + step*(slicelength - 1) - 1; |
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parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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|
1897 step = -step; |
2cdd7e63211b
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|
1898 } |
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|
1899 |
2cdd7e63211b
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|
1900 if (step != 1) { |
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|
1901 PyErr_SetString(PyExc_ValueError, |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
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parents:
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|
1902 "revlog index delete requires step size of 1"); |
2cdd7e63211b
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Bryan O'Sullivan <bryano@fb.com>
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|
1903 return -1; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
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diff
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|
1904 } |
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|
1905 |
2cdd7e63211b
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|
1906 if (stop != length - 1) { |
2cdd7e63211b
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|
1907 PyErr_SetString(PyExc_IndexError, |
2cdd7e63211b
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|
1908 "revlog index deletion indices are invalid"); |
2cdd7e63211b
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|
1909 return -1; |
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|
1910 } |
2cdd7e63211b
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|
1911 |
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1912 if (start < self->length - 1) { |
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|
1913 if (self->nt) { |
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1914 Py_ssize_t i; |
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|
1915 |
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|
1916 for (i = start + 1; i < self->length - 1; i++) { |
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|
1917 const char *node = index_node(self, i); |
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1918 |
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|
1919 if (node) |
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1920 nt_insert(self, node, -1); |
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|
1921 } |
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|
1922 if (self->added) |
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1923 nt_invalidate_added(self, 0); |
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|
1924 if (self->ntrev > start) |
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|
1925 self->ntrev = (int)start; |
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|
1926 } |
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|
1927 self->length = start + 1; |
18504
d1d5fdcc2d46
parsers: fix memleak of revlog cache entries on strip
Yuya Nishihara <yuya@tcha.org>
parents:
18430
diff
changeset
|
1928 if (start < self->raw_length) { |
d1d5fdcc2d46
parsers: fix memleak of revlog cache entries on strip
Yuya Nishihara <yuya@tcha.org>
parents:
18430
diff
changeset
|
1929 if (self->cache) { |
d1d5fdcc2d46
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|
1930 Py_ssize_t i; |
d1d5fdcc2d46
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|
1931 for (i = start; i < self->raw_length; i++) |
d1d5fdcc2d46
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|
1932 Py_CLEAR(self->cache[i]); |
d1d5fdcc2d46
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|
1933 } |
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|
1934 self->raw_length = start; |
18504
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|
1935 } |
16784
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|
1936 goto done; |
7108
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|
1937 } |
1ca878d7b849
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|
1938 |
16414
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|
1939 if (self->nt) { |
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|
1940 nt_invalidate_added(self, start - self->length + 1); |
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|
1941 if (self->ntrev > start) |
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|
1942 self->ntrev = (int)start; |
e8d37b78acfb
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|
1943 } |
16784
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|
1944 if (self->added) |
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|
1945 ret = PyList_SetSlice(self->added, start - self->length + 1, |
12a852c7c763
parsers: reduce raw_length when truncating
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|
1946 PyList_GET_SIZE(self->added), NULL); |
12a852c7c763
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|
1947 done: |
16787
bda96ce993f9
parsers: cache the result of index_headrevs
Bryan O'Sullivan <bryano@fb.com>
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16786
diff
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|
1948 Py_CLEAR(self->headrevs); |
16784
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|
1949 return ret; |
16363
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|
1950 } |
2cdd7e63211b
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|
1951 |
16414
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|
1952 /* |
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|
1953 * Supported ops: |
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|
1954 * |
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|
1955 * slice deletion |
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|
1956 * string assignment (extend node->rev mapping) |
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|
1957 * string deletion (shrink node->rev mapping) |
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|
1958 */ |
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|
1959 static int index_assign_subscript(indexObject *self, PyObject *item, |
e8d37b78acfb
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|
1960 PyObject *value) |
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diff
changeset
|
1961 { |
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|
1962 char *node; |
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Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1963 Py_ssize_t nodelen; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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|
1964 long rev; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
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16393
diff
changeset
|
1965 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1966 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
|
1967 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
|
1968 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1969 if (node_check(item, &node, &nodelen) == -1) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1970 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1971 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1972 if (value == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1973 return self->nt ? nt_insert(self, node, -1) : 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1974 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
|
1975 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
|
1976 if (!PyErr_Occurred()) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1977 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
|
1978 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1979 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1980 return nt_insert(self, node, (int)rev); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1981 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1982 |
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 * 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
|
1985 * 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
|
1986 */ |
22401
9ba8a93e55f5
parsers: ensure correct return type for inline_scan
Henrik Stuart <hg@hstuart.dk>
parents:
22400
diff
changeset
|
1987 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
|
1988 { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1989 const char *data = PyString_AS_STRING(self->data); |
20167
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
1990 Py_ssize_t pos = 0; |
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
1991 Py_ssize_t end = PyString_GET_SIZE(self->data); |
16863
bbedef66c6f3
parsers: replace magic number 64 with symbolic constant
Bryan O'Sullivan <bryano@fb.com>
parents:
16787
diff
changeset
|
1992 long incr = v1_hdrsize; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1993 Py_ssize_t len = 0; |
13254
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
changeset
|
1994 |
20167
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
1995 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
|
1996 uint32_t comp_len; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1997 /* 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
|
1998 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
|
1999 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
|
2000 if (offsets) |
20167
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
2001 offsets[len] = data + pos; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2002 len++; |
20167
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
2003 pos += incr; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2004 } |
13254
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
changeset
|
2005 |
20167
09e41ac6289d
mpatch: rewrite pointer overflow checks
Matt Mackall <mpm@selenic.com>
parents:
20109
diff
changeset
|
2006 if (pos != end) { |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2007 if (!PyErr_Occurred()) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2008 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
|
2009 return -1; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2010 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2011 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2012 return len; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2013 } |
13254
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
changeset
|
2014 |
16572
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2015 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
|
2016 { |
16572
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2017 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
|
2018 Py_ssize_t size; |
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2019 |
20109
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2020 /* Initialize before argument-checking to avoid index_dealloc() crash. */ |
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2021 self->raw_length = 0; |
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2022 self->added = NULL; |
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2023 self->cache = NULL; |
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2024 self->data = NULL; |
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2025 self->headrevs = NULL; |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
2026 self->filteredrevs = Py_None; |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
2027 Py_INCREF(Py_None); |
20109
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2028 self->nt = NULL; |
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2029 self->offsets = NULL; |
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2030 |
16572
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2031 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
|
2032 return -1; |
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2033 if (!PyString_Check(data_obj)) { |
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2034 PyErr_SetString(PyExc_TypeError, "data is not a string"); |
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2035 return -1; |
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2036 } |
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2037 size = PyString_GET_SIZE(data_obj); |
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2038 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2039 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
|
2040 self->data = data_obj; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2041 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2042 self->ntlength = self->ntcapacity = 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2043 self->ntdepth = self->ntsplits = 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2044 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
|
2045 self->ntrev = -1; |
16597
b767382a8675
parsers: fix refcount bug on corrupt index
Matt Mackall <mpm@selenic.com>
parents:
16572
diff
changeset
|
2046 Py_INCREF(self->data); |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2047 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2048 if (self->inlined) { |
22401
9ba8a93e55f5
parsers: ensure correct return type for inline_scan
Henrik Stuart <hg@hstuart.dk>
parents:
22400
diff
changeset
|
2049 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
|
2050 if (len == -1) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2051 goto bail; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2052 self->raw_length = len; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2053 self->length = len + 1; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2054 } else { |
16863
bbedef66c6f3
parsers: replace magic number 64 with symbolic constant
Bryan O'Sullivan <bryano@fb.com>
parents:
16787
diff
changeset
|
2055 if (size % v1_hdrsize) { |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2056 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
|
2057 goto bail; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2058 } |
16863
bbedef66c6f3
parsers: replace magic number 64 with symbolic constant
Bryan O'Sullivan <bryano@fb.com>
parents:
16787
diff
changeset
|
2059 self->raw_length = size / v1_hdrsize; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2060 self->length = self->raw_length + 1; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2061 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2062 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2063 return 0; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2064 bail: |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2065 return -1; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2066 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2067 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2068 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
|
2069 { |
16572
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2070 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
|
2071 return (PyObject *)self; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2072 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2073 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2074 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
|
2075 { |
16370
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
2076 _index_clearcaches(self); |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
2077 Py_XDECREF(self->filteredrevs); |
20109
e57c532c3835
parse_index2: fix crash on bad argument type (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
19728
diff
changeset
|
2078 Py_XDECREF(self->data); |
16363
2cdd7e63211b
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Bryan O'Sullivan <bryano@fb.com>
parents:
15033
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|
2079 Py_XDECREF(self->added); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
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|
2080 PyObject_Del(self); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
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|
2081 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
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|
2082 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2083 static PySequenceMethods index_sequence_methods = { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
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|
2084 (lenfunc)index_length, /* sq_length */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
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|
2085 0, /* sq_concat */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2086 0, /* sq_repeat */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2087 (ssizeargfunc)index_get, /* sq_item */ |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2088 0, /* sq_slice */ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2089 0, /* sq_ass_item */ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2090 0, /* sq_ass_slice */ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2091 (objobjproc)index_contains, /* sq_contains */ |
16363
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Bryan O'Sullivan <bryano@fb.com>
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|
2092 }; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
2093 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
2094 static PyMappingMethods index_mapping_methods = { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
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|
2095 (lenfunc)index_length, /* mp_length */ |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2096 (binaryfunc)index_getitem, /* mp_subscript */ |
16363
2cdd7e63211b
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Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2097 (objobjargproc)index_assign_subscript, /* mp_ass_subscript */ |
2cdd7e63211b
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Bryan O'Sullivan <bryano@fb.com>
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15033
diff
changeset
|
2098 }; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2099 |
2cdd7e63211b
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Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
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|
2100 static PyMethodDef index_methods[] = { |
18988
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2101 {"ancestors", (PyCFunction)index_ancestors, METH_VARARGS, |
5bae936764bb
parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents:
18900
diff
changeset
|
2102 "return the gca set of the given revs"}, |
21102
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2103 {"commonancestorsheads", (PyCFunction)index_commonancestorsheads, |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2104 METH_VARARGS, |
4eb6553789e1
parsers: introduce index_commonancestorsheads
Mads Kiilerich <madski@unity3d.com>
parents:
20797
diff
changeset
|
2105 "return the heads of the common ancestors of the given revs"}, |
16370
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
2106 {"clearcaches", (PyCFunction)index_clearcaches, METH_NOARGS, |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
2107 "clear the index caches"}, |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
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|
2108 {"get", (PyCFunction)index_m_get, METH_VARARGS, |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2109 "get an index entry"}, |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
22403
diff
changeset
|
2110 {"headrevs", (PyCFunction)index_headrevs, METH_VARARGS, |
16786
2631cd5dd244
revlog: switch to a C version of headrevs
Bryan O'Sullivan <bryano@fb.com>
parents:
16784
diff
changeset
|
2111 "get head revisions"}, |
16363
2cdd7e63211b
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Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2112 {"insert", (PyCFunction)index_insert, METH_VARARGS, |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2113 "insert an index entry"}, |
16665
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2114 {"partialmatch", (PyCFunction)index_partialmatch, METH_VARARGS, |
e410be860393
revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents:
16664
diff
changeset
|
2115 "match a potentially ambiguous node ID"}, |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2116 {"stats", (PyCFunction)index_stats, METH_NOARGS, |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2117 "stats for the index"}, |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2118 {NULL} /* Sentinel */ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
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|
2119 }; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2120 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2121 static PyGetSetDef index_getset[] = { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2122 {"nodemap", (getter)index_nodemap, NULL, "nodemap", NULL}, |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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15033
diff
changeset
|
2123 {NULL} /* Sentinel */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
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|
2124 }; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2125 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2126 static PyTypeObject indexType = { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2127 PyObject_HEAD_INIT(NULL) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2128 0, /* ob_size */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2129 "parsers.index", /* tp_name */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2130 sizeof(indexObject), /* tp_basicsize */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2131 0, /* tp_itemsize */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2132 (destructor)index_dealloc, /* tp_dealloc */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2133 0, /* tp_print */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2134 0, /* tp_getattr */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2135 0, /* tp_setattr */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2136 0, /* tp_compare */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2137 0, /* tp_repr */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2138 0, /* tp_as_number */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2139 &index_sequence_methods, /* tp_as_sequence */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2140 &index_mapping_methods, /* tp_as_mapping */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2141 0, /* tp_hash */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2142 0, /* tp_call */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2143 0, /* tp_str */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2144 0, /* tp_getattro */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2145 0, /* tp_setattro */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2146 0, /* tp_as_buffer */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2147 Py_TPFLAGS_DEFAULT, /* tp_flags */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2148 "revlog index", /* tp_doc */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2149 0, /* tp_traverse */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2150 0, /* tp_clear */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2151 0, /* tp_richcompare */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2152 0, /* tp_weaklistoffset */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2153 0, /* tp_iter */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2154 0, /* tp_iternext */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2155 index_methods, /* tp_methods */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2156 0, /* tp_members */ |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2157 index_getset, /* tp_getset */ |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2158 0, /* tp_base */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2159 0, /* tp_dict */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2160 0, /* tp_descr_get */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2161 0, /* tp_descr_set */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2162 0, /* tp_dictoffset */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2163 (initproc)index_init, /* tp_init */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2164 0, /* tp_alloc */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2165 }; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2166 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2167 /* |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2168 * 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
|
2169 * follows: |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2170 * |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
2171 * index: an index object that lazily parses RevlogNG records |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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15033
diff
changeset
|
2172 * cache: if data is inlined, a tuple (index_file_content, 0), else None |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
2173 * |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2174 * added complications are for backwards compatibility |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2175 */ |
13254
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
changeset
|
2176 static PyObject *parse_index2(PyObject *self, PyObject *args) |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
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7093
diff
changeset
|
2177 { |
16572
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2178 PyObject *tuple = NULL, *cache = NULL; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
2179 indexObject *idx; |
16572
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2180 int ret; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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15033
diff
changeset
|
2181 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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15033
diff
changeset
|
2182 idx = PyObject_New(indexObject, &indexType); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
2183 if (idx == NULL) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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15033
diff
changeset
|
2184 goto bail; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2185 |
16572
8d44b5a2974f
parsers: fix refcount leak, simplify init of index (issue3417)
Bryan O'Sullivan <bryano@fb.com>
parents:
16437
diff
changeset
|
2186 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
|
2187 if (ret == -1) |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2188 goto bail; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2189 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2190 if (idx->inlined) { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2191 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
|
2192 if (cache == NULL) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2193 goto bail; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2194 } else { |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2195 cache = Py_None; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2196 Py_INCREF(cache); |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2197 } |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2198 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2199 tuple = Py_BuildValue("NN", idx, cache); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2200 if (!tuple) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2201 goto bail; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2202 return tuple; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2203 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2204 bail: |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2205 Py_XDECREF(idx); |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2206 Py_XDECREF(cache); |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2207 Py_XDECREF(tuple); |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2208 return NULL; |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2209 } |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
2210 |
6389
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
2211 static char parsers_doc[] = "Efficient content parsing."; |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
2212 |
17606
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
17356
diff
changeset
|
2213 PyObject *encodedir(PyObject *self, PyObject *args); |
17616
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
2214 PyObject *pathencode(PyObject *self, PyObject *args); |
18430
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17616
diff
changeset
|
2215 PyObject *lowerencode(PyObject *self, PyObject *args); |
17606
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
17356
diff
changeset
|
2216 |
6389
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
2217 static PyMethodDef methods[] = { |
16955
92e1c64ba0d4
parsers: add a C function to pack the dirstate
Bryan O'Sullivan <bryano@fb.com>
parents:
16863
diff
changeset
|
2218 {"pack_dirstate", pack_dirstate, METH_VARARGS, "pack a dirstate\n"}, |
6389
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
2219 {"parse_manifest", parse_manifest, METH_VARARGS, "parse a manifest\n"}, |
7093
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
2220 {"parse_dirstate", parse_dirstate, METH_VARARGS, "parse a dirstate\n"}, |
13254
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
changeset
|
2221 {"parse_index2", parse_index2, METH_VARARGS, "parse a revlog index\n"}, |
22778
80f2b63dd83a
parsers: add a function to efficiently lowercase ASCII strings
Siddharth Agarwal <sid0@fb.com>
parents:
22604
diff
changeset
|
2222 {"asciilower", asciilower, METH_VARARGS, "lowercase an ASCII string\n"}, |
17606
318fb32b980e
pathencode: new C module with fast encodedir() function
Adrian Buehlmann <adrian@cadifra.com>
parents:
17356
diff
changeset
|
2223 {"encodedir", encodedir, METH_VARARGS, "encodedir a path\n"}, |
17616
9535a0dc41f2
store: implement fncache basic path encoding in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17606
diff
changeset
|
2224 {"pathencode", pathencode, METH_VARARGS, "fncache-encode a path\n"}, |
18430
0459c6555f69
store: implement lowerencode in C
Bryan O'Sullivan <bryano@fb.com>
parents:
17616
diff
changeset
|
2225 {"lowerencode", lowerencode, METH_VARARGS, "lower-encode a path\n"}, |
6389
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
2226 {NULL, NULL} |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
2227 }; |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
changeset
|
2228 |
18900
02ee846b246a
scmutil: rewrite dirs in C, use if available
Bryan O'Sullivan <bryano@fb.com>
parents:
18567
diff
changeset
|
2229 void dirs_module_init(PyObject *mod); |
02ee846b246a
scmutil: rewrite dirs in C, use if available
Bryan O'Sullivan <bryano@fb.com>
parents:
18567
diff
changeset
|
2230 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2231 static void module_init(PyObject *mod) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2232 { |
20742
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2233 /* This module constant has two purposes. First, it lets us unit test |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2234 * the ImportError raised without hard-coding any error text. This |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2235 * means we can change the text in the future without breaking tests, |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2236 * even across changesets without a recompile. Second, its presence |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2237 * can be used to determine whether the version-checking logic is |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2238 * present, which also helps in testing across changesets without a |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2239 * recompile. Note that this means the pure-Python version of parsers |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2240 * should not have this module constant. */ |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2241 PyModule_AddStringConstant(mod, "versionerrortext", versionerrortext); |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2242 |
18900
02ee846b246a
scmutil: rewrite dirs in C, use if available
Bryan O'Sullivan <bryano@fb.com>
parents:
18567
diff
changeset
|
2243 dirs_module_init(mod); |
02ee846b246a
scmutil: rewrite dirs in C, use if available
Bryan O'Sullivan <bryano@fb.com>
parents:
18567
diff
changeset
|
2244 |
16604
48e42f984074
parsers: statically initializing tp_new to PyType_GenericNew is not portable
Adrian Buehlmann <adrian@cadifra.com>
parents:
16597
diff
changeset
|
2245 indexType.tp_new = PyType_GenericNew; |
21809
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
2246 if (PyType_Ready(&indexType) < 0 || |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
2247 PyType_Ready(&dirstateTupleType) < 0) |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2248 return; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2249 Py_INCREF(&indexType); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2250 PyModule_AddObject(mod, "index", (PyObject *)&indexType); |
21809
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
2251 Py_INCREF(&dirstateTupleType); |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
2252 PyModule_AddObject(mod, "dirstatetuple", |
e250b8300e6e
parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents:
21807
diff
changeset
|
2253 (PyObject *)&dirstateTupleType); |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2254 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2255 nullentry = Py_BuildValue("iiiiiiis#", 0, 0, 0, |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2256 -1, -1, -1, -1, nullid, 20); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2257 if (nullentry) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2258 PyObject_GC_UnTrack(nullentry); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2259 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
2260 |
20742
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2261 static int check_python_version(void) |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2262 { |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2263 PyObject *sys = PyImport_ImportModule("sys"); |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2264 long hexversion = PyInt_AsLong(PyObject_GetAttrString(sys, "hexversion")); |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2265 /* sys.hexversion is a 32-bit number by default, so the -1 case |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2266 * should only occur in unusual circumstances (e.g. if sys.hexversion |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2267 * is manually set to an invalid value). */ |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2268 if ((hexversion == -1) || (hexversion >> 16 != PY_VERSION_HEX >> 16)) { |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2269 PyErr_Format(PyExc_ImportError, "%s: The Mercurial extension " |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2270 "modules were compiled with Python " PY_VERSION ", but " |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2271 "Mercurial is currently using Python with sys.hexversion=%ld: " |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2272 "Python %s\n at: %s", versionerrortext, hexversion, |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2273 Py_GetVersion(), Py_GetProgramFullPath()); |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2274 return -1; |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2275 } |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2276 return 0; |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2277 } |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2278 |
11361
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
2279 #ifdef IS_PY3K |
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
2280 static struct PyModuleDef parsers_module = { |
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
2281 PyModuleDef_HEAD_INIT, |
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
2282 "parsers", |
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
2283 parsers_doc, |
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
2284 -1, |
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
2285 methods |
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
2286 }; |
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
2287 |
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
2288 PyMODINIT_FUNC PyInit_parsers(void) |
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
2289 { |
20797
e286ab22e461
parsers: fix compiler errors on MSVC 2008
Matt Harbison <matt_harbison@yahoo.com>
parents:
20742
diff
changeset
|
2290 PyObject *mod; |
e286ab22e461
parsers: fix compiler errors on MSVC 2008
Matt Harbison <matt_harbison@yahoo.com>
parents:
20742
diff
changeset
|
2291 |
20742
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2292 if (check_python_version() == -1) |
3681de20b0a7
parsers: fail fast if Python has wrong minor version (issue4110)
Chris Jerdonek <chris.jerdonek@gmail.com>
parents:
20555
diff
changeset
|
2293 return; |
20797
e286ab22e461
parsers: fix compiler errors on MSVC 2008
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2294 mod = PyModule_Create(&parsers_module); |
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2295 module_init(mod); |
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2296 return mod; |
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2297 } |
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2298 #else |
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2299 PyMODINIT_FUNC initparsers(void) |
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2300 { |
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2301 PyObject *mod; |
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2302 |
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2303 if (check_python_version() == -1) |
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2304 return; |
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2305 mod = Py_InitModule3("parsers", methods, parsers_doc); |
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2306 module_init(mod); |
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2307 } |
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2308 #endif |