Mercurial > hg
annotate mercurial/parsers.c @ 16422:c0b5bab3fb11
changegroupsubset: avoid setdefault in inner loop
author | Matt Mackall <mpm@selenic.com> |
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date | Fri, 13 Apr 2012 22:55:46 -0500 |
parents | e8d37b78acfb |
children | d126a0d16856 |
rev | line source |
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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 <string.h> |
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13 |
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14 #include "util.h" |
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15 |
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16 static int hexdigit(char c) |
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17 { |
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18 if (c >= '0' && c <= '9') |
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19 return c - '0'; |
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20 if (c >= 'a' && c <= 'f') |
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21 return c - 'a' + 10; |
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22 if (c >= 'A' && c <= 'F') |
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23 return c - 'A' + 10; |
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24 |
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25 PyErr_SetString(PyExc_ValueError, "input contains non-hex character"); |
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26 return 0; |
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27 } |
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28 |
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29 /* |
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30 * Turn a hex-encoded string into binary. |
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31 */ |
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32 static PyObject *unhexlify(const char *str, int len) |
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33 { |
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34 PyObject *ret; |
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35 const char *c; |
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36 char *d; |
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37 |
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38 ret = PyBytes_FromStringAndSize(NULL, len / 2); |
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39 |
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40 if (!ret) |
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41 return NULL; |
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42 |
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43 d = PyBytes_AsString(ret); |
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44 |
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45 for (c = str; c < str + len;) { |
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46 int hi = hexdigit(*c++); |
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47 int lo = hexdigit(*c++); |
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48 *d++ = (hi << 4) | lo; |
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49 } |
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50 |
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51 return ret; |
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52 } |
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53 |
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54 /* |
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55 * This code assumes that a manifest is stitched together with newline |
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56 * ('\n') characters. |
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57 */ |
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58 static PyObject *parse_manifest(PyObject *self, PyObject *args) |
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59 { |
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60 PyObject *mfdict, *fdict; |
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61 char *str, *cur, *start, *zero; |
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62 int len; |
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63 |
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64 if (!PyArg_ParseTuple(args, "O!O!s#:parse_manifest", |
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65 &PyDict_Type, &mfdict, |
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66 &PyDict_Type, &fdict, |
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67 &str, &len)) |
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68 goto quit; |
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69 |
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70 for (start = cur = str, zero = NULL; cur < str + len; cur++) { |
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71 PyObject *file = NULL, *node = NULL; |
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72 PyObject *flags = NULL; |
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73 int nlen; |
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74 |
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75 if (!*cur) { |
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76 zero = cur; |
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77 continue; |
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78 } |
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79 else if (*cur != '\n') |
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80 continue; |
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81 |
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82 if (!zero) { |
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83 PyErr_SetString(PyExc_ValueError, |
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84 "manifest entry has no separator"); |
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85 goto quit; |
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86 } |
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87 |
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88 file = PyBytes_FromStringAndSize(start, zero - start); |
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89 |
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90 if (!file) |
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91 goto bail; |
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92 |
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93 nlen = cur - zero - 1; |
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94 |
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95 node = unhexlify(zero + 1, nlen > 40 ? 40 : nlen); |
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96 if (!node) |
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97 goto bail; |
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98 |
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99 if (nlen > 40) { |
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100 flags = PyBytes_FromStringAndSize(zero + 41, |
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101 nlen - 40); |
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102 if (!flags) |
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103 goto bail; |
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104 |
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105 if (PyDict_SetItem(fdict, file, flags) == -1) |
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106 goto bail; |
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107 } |
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108 |
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109 if (PyDict_SetItem(mfdict, file, node) == -1) |
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110 goto bail; |
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111 |
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112 start = cur + 1; |
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113 zero = NULL; |
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114 |
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115 Py_XDECREF(flags); |
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116 Py_XDECREF(node); |
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117 Py_XDECREF(file); |
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118 continue; |
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119 bail: |
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120 Py_XDECREF(flags); |
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121 Py_XDECREF(node); |
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122 Py_XDECREF(file); |
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|
123 goto quit; |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
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|
124 } |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
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|
125 |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
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diff
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|
126 if (len > 0 && *(cur - 1) != '\n') { |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
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|
127 PyErr_SetString(PyExc_ValueError, |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
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|
128 "manifest contains trailing garbage"); |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
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|
129 goto quit; |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
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|
130 } |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff
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|
131 |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
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|
132 Py_INCREF(Py_None); |
0231f763ebc8
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|
133 return Py_None; |
0231f763ebc8
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diff
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|
134 quit: |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
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|
135 return NULL; |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
parents:
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|
136 } |
0231f763ebc8
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Bryan O'Sullivan <bos@serpentine.com>
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|
137 |
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|
138 static PyObject *parse_dirstate(PyObject *self, PyObject *args) |
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|
139 { |
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140 PyObject *dmap, *cmap, *parents = NULL, *ret = NULL; |
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|
141 PyObject *fname = NULL, *cname = NULL, *entry = NULL; |
16bafcebd3d1
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|
142 char *str, *cur, *end, *cpos; |
7174
4da87407b845
parsers.c: fix integer overflows
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
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7168
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|
143 int state, mode, size, mtime; |
4da87407b845
parsers.c: fix integer overflows
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
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|
144 unsigned int flen; |
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|
145 int len; |
15033
2ef2d3a5cd2d
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Matt Mackall <mpm@selenic.com>
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|
146 uint32_t decode[4]; /* for alignment */ |
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|
147 |
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|
148 if (!PyArg_ParseTuple(args, "O!O!s#:parse_dirstate", |
16bafcebd3d1
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|
149 &PyDict_Type, &dmap, |
16bafcebd3d1
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|
150 &PyDict_Type, &cmap, |
16bafcebd3d1
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|
151 &str, &len)) |
16bafcebd3d1
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|
152 goto quit; |
16bafcebd3d1
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|
153 |
16bafcebd3d1
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|
154 /* read parents */ |
16bafcebd3d1
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|
155 if (len < 40) |
16bafcebd3d1
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Matt Mackall <mpm@selenic.com>
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|
156 goto quit; |
16bafcebd3d1
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Matt Mackall <mpm@selenic.com>
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diff
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|
157 |
16bafcebd3d1
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|
158 parents = Py_BuildValue("s#s#", str, 20, str + 20, 20); |
16bafcebd3d1
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diff
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|
159 if (!parents) |
16bafcebd3d1
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Matt Mackall <mpm@selenic.com>
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diff
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|
160 goto quit; |
16bafcebd3d1
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Matt Mackall <mpm@selenic.com>
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7092
diff
changeset
|
161 |
16bafcebd3d1
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Matt Mackall <mpm@selenic.com>
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diff
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|
162 /* read filenames */ |
16bafcebd3d1
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Matt Mackall <mpm@selenic.com>
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diff
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|
163 cur = str + 40; |
16bafcebd3d1
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Matt Mackall <mpm@selenic.com>
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diff
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|
164 end = str + len; |
16bafcebd3d1
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Matt Mackall <mpm@selenic.com>
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diff
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|
165 |
16bafcebd3d1
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Matt Mackall <mpm@selenic.com>
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diff
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|
166 while (cur < end - 17) { |
16bafcebd3d1
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Matt Mackall <mpm@selenic.com>
parents:
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diff
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|
167 /* unpack header */ |
16bafcebd3d1
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Matt Mackall <mpm@selenic.com>
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7092
diff
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|
168 state = *cur; |
16bafcebd3d1
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Matt Mackall <mpm@selenic.com>
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|
169 memcpy(decode, cur + 1, 16); |
15033
2ef2d3a5cd2d
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Matt Mackall <mpm@selenic.com>
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13302
diff
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|
170 mode = ntohl(decode[0]); |
2ef2d3a5cd2d
parsers: avoid pointer aliasing
Matt Mackall <mpm@selenic.com>
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13302
diff
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|
171 size = ntohl(decode[1]); |
2ef2d3a5cd2d
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Matt Mackall <mpm@selenic.com>
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diff
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|
172 mtime = ntohl(decode[2]); |
2ef2d3a5cd2d
parsers: avoid pointer aliasing
Matt Mackall <mpm@selenic.com>
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13302
diff
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|
173 flen = ntohl(decode[3]); |
7093
16bafcebd3d1
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Matt Mackall <mpm@selenic.com>
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diff
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|
174 cur += 17; |
10449
7c8266c1d15a
parsers: fix some signed comparison issues
Matt Mackall <mpm@selenic.com>
parents:
10282
diff
changeset
|
175 if (cur + flen > end || cur + flen < cur) { |
7174
4da87407b845
parsers.c: fix integer overflows
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7168
diff
changeset
|
176 PyErr_SetString(PyExc_ValueError, "overflow in dirstate"); |
7093
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
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|
177 goto quit; |
7174
4da87407b845
parsers.c: fix integer overflows
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7168
diff
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|
178 } |
7093
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|
179 |
16bafcebd3d1
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|
180 entry = Py_BuildValue("ciii", state, mode, size, mtime); |
16bafcebd3d1
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|
181 if (!entry) |
16bafcebd3d1
dirstate: C parsing extension
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diff
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|
182 goto quit; |
7175
5d8626b2c1db
parsers.c: do not try to untrack after a failure
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7174
diff
changeset
|
183 PyObject_GC_UnTrack(entry); /* don't waste time with this */ |
7093
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|
184 |
16bafcebd3d1
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diff
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|
185 cpos = memchr(cur, 0, flen); |
16bafcebd3d1
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|
186 if (cpos) { |
11361
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
187 fname = PyBytes_FromStringAndSize(cur, cpos - cur); |
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
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diff
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|
188 cname = PyBytes_FromStringAndSize(cpos + 1, |
7093
16bafcebd3d1
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|
189 flen - (cpos - cur) - 1); |
16bafcebd3d1
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|
190 if (!fname || !cname || |
16bafcebd3d1
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diff
changeset
|
191 PyDict_SetItem(cmap, fname, cname) == -1 || |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
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diff
changeset
|
192 PyDict_SetItem(dmap, fname, entry) == -1) |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
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|
193 goto quit; |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
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diff
changeset
|
194 Py_DECREF(cname); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
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diff
changeset
|
195 } else { |
11361
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
196 fname = PyBytes_FromStringAndSize(cur, flen); |
7093
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
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diff
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|
197 if (!fname || |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
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diff
changeset
|
198 PyDict_SetItem(dmap, fname, entry) == -1) |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
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diff
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|
199 goto quit; |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
200 } |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
201 cur += flen; |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
202 Py_DECREF(fname); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
203 Py_DECREF(entry); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
204 fname = cname = entry = NULL; |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
205 } |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
206 |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
207 ret = parents; |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
208 Py_INCREF(ret); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
209 quit: |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
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diff
changeset
|
210 Py_XDECREF(fname); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
211 Py_XDECREF(cname); |
16bafcebd3d1
dirstate: C parsing extension
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parents:
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diff
changeset
|
212 Py_XDECREF(entry); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
213 Py_XDECREF(parents); |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
214 return ret; |
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
parents:
7092
diff
changeset
|
215 } |
16bafcebd3d1
dirstate: C parsing extension
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diff
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|
216 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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15033
diff
changeset
|
217 /* |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
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diff
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|
218 * A base-16 trie for fast node->rev mapping. |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
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diff
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|
219 * |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
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diff
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|
220 * Positive value is index of the next node in the trie |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
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diff
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|
221 * Negative value is a leaf: -(rev + 1) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
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|
222 * Zero is empty |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
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diff
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|
223 */ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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16393
diff
changeset
|
224 typedef struct { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
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diff
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|
225 int children[16]; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
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|
226 } nodetree; |
e8d37b78acfb
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|
227 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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diff
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|
228 /* |
e8d37b78acfb
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|
229 * This class has two behaviours. |
e8d37b78acfb
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diff
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|
230 * |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
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diff
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|
231 * 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>
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16393
diff
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|
232 * entry in a RevlogNG index file on demand. Our last entry is a |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
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diff
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|
233 * sentinel, always a nullid. We have limited support for |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
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diff
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|
234 * 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>
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diff
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|
235 * sentinel. |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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16393
diff
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|
236 * |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
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diff
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|
237 * 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>
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diff
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|
238 * rev, using a base-16 trie. |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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15033
diff
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|
239 */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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15033
diff
changeset
|
240 typedef struct { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
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diff
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|
241 PyObject_HEAD |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
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|
242 /* Type-specific fields go here. */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
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diff
changeset
|
243 PyObject *data; /* raw bytes of index */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
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diff
changeset
|
244 PyObject **cache; /* cached tuples */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
245 const char **offsets; /* populated on demand */ |
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246 Py_ssize_t raw_length; /* original number of elements */ |
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247 Py_ssize_t length; /* current number of elements */ |
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248 PyObject *added; /* populated on demand */ |
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249 nodetree *nt; /* base-16 trie */ |
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250 int ntlength; /* # nodes in use */ |
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251 int ntcapacity; /* # nodes allocated */ |
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252 int ntdepth; /* maximum depth of tree */ |
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253 int ntsplits; /* # splits performed */ |
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254 int ntrev; /* last rev scanned */ |
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255 int ntlookups; /* # lookups */ |
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256 int ntmisses; /* # lookups that miss the cache */ |
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257 int inlined; |
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258 } indexObject; |
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259 |
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260 static Py_ssize_t index_length(const indexObject *self) |
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261 { |
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262 if (self->added == NULL) |
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263 return self->length; |
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264 return self->length + PyList_GET_SIZE(self->added); |
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265 } |
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266 |
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267 static PyObject *nullentry; |
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268 static const char nullid[20]; |
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269 |
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270 static long inline_scan(indexObject *self, const char **offsets); |
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271 |
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272 #if LONG_MAX == 0x7fffffffL |
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273 static char *tuple_format = "Kiiiiiis#"; |
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274 #else |
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275 static char *tuple_format = "kiiiiiis#"; |
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276 #endif |
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277 |
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278 /* |
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279 * Return a pointer to the beginning of a RevlogNG record. |
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280 */ |
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281 static const char *index_deref(indexObject *self, Py_ssize_t pos) |
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282 { |
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283 if (self->inlined && pos > 0) { |
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284 if (self->offsets == NULL) { |
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285 self->offsets = malloc(self->raw_length * |
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286 sizeof(*self->offsets)); |
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287 if (self->offsets == NULL) |
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288 return (const char *)PyErr_NoMemory(); |
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289 inline_scan(self, self->offsets); |
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290 } |
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291 return self->offsets[pos]; |
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292 } |
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293 |
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294 return PyString_AS_STRING(self->data) + pos * 64; |
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295 } |
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296 |
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297 /* |
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298 * RevlogNG format (all in big endian, data may be inlined): |
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299 * 6 bytes: offset |
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300 * 2 bytes: flags |
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301 * 4 bytes: compressed length |
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302 * 4 bytes: uncompressed length |
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303 * 4 bytes: base revision |
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304 * 4 bytes: link revision |
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305 * 4 bytes: parent 1 revision |
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306 * 4 bytes: parent 2 revision |
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307 * 32 bytes: nodeid (only 20 bytes used) |
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308 */ |
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309 static PyObject *index_get(indexObject *self, Py_ssize_t pos) |
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310 { |
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311 uint32_t decode[8]; /* to enforce alignment with inline data */ |
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312 uint64_t offset_flags; |
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313 int comp_len, uncomp_len, base_rev, link_rev, parent_1, parent_2; |
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314 const char *c_node_id; |
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315 const char *data; |
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316 Py_ssize_t length = index_length(self); |
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317 PyObject *entry; |
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318 |
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319 if (pos < 0) |
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320 pos += length; |
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321 |
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322 if (pos < 0 || pos >= length) { |
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323 PyErr_SetString(PyExc_IndexError, "revlog index out of range"); |
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324 return NULL; |
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325 } |
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326 |
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327 if (pos == length - 1) { |
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328 Py_INCREF(nullentry); |
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329 return nullentry; |
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330 } |
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331 |
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332 if (pos >= self->length - 1) { |
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333 PyObject *obj; |
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334 obj = PyList_GET_ITEM(self->added, pos - self->length + 1); |
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335 Py_INCREF(obj); |
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336 return obj; |
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337 } |
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338 |
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339 if (self->cache) { |
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340 if (self->cache[pos]) { |
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341 Py_INCREF(self->cache[pos]); |
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342 return self->cache[pos]; |
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343 } |
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344 } else { |
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345 self->cache = calloc(self->raw_length, sizeof(PyObject *)); |
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346 if (self->cache == NULL) |
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347 return PyErr_NoMemory(); |
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348 } |
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349 |
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350 data = index_deref(self, pos); |
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351 if (data == NULL) |
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352 return NULL; |
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353 |
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354 memcpy(decode, data, 8 * sizeof(uint32_t)); |
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355 |
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356 offset_flags = ntohl(decode[1]); |
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357 if (pos == 0) /* mask out version number for the first entry */ |
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358 offset_flags &= 0xFFFF; |
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359 else { |
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360 uint32_t offset_high = ntohl(decode[0]); |
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361 offset_flags |= ((uint64_t)offset_high) << 32; |
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362 } |
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363 |
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364 comp_len = ntohl(decode[2]); |
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365 uncomp_len = ntohl(decode[3]); |
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366 base_rev = ntohl(decode[4]); |
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367 link_rev = ntohl(decode[5]); |
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368 parent_1 = ntohl(decode[6]); |
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369 parent_2 = ntohl(decode[7]); |
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370 c_node_id = data + 32; |
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371 |
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372 entry = Py_BuildValue(tuple_format, offset_flags, comp_len, |
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373 uncomp_len, base_rev, link_rev, |
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374 parent_1, parent_2, c_node_id, 20); |
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375 |
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376 if (entry) |
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377 PyObject_GC_UnTrack(entry); |
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378 |
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379 self->cache[pos] = entry; |
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380 Py_INCREF(entry); |
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381 |
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382 return entry; |
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383 } |
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384 |
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385 /* |
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386 * Return the 20-byte SHA of the node corresponding to the given rev. |
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387 */ |
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388 static const char *index_node(indexObject *self, Py_ssize_t pos) |
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389 { |
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390 Py_ssize_t length = index_length(self); |
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391 const char *data; |
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392 |
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393 if (pos == length - 1) |
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394 return nullid; |
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395 |
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396 if (pos >= length) |
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397 return NULL; |
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398 |
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399 if (pos >= self->length - 1) { |
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400 PyObject *tuple, *str; |
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401 tuple = PyList_GET_ITEM(self->added, pos - self->length + 1); |
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402 str = PyTuple_GetItem(tuple, 7); |
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403 return str ? PyString_AS_STRING(str) : NULL; |
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404 } |
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405 |
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406 data = index_deref(self, pos); |
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407 return data ? data + 32 : NULL; |
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408 } |
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409 |
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410 static int nt_insert(indexObject *self, const char *node, int rev); |
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411 |
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412 static int node_check(PyObject *obj, char **node, Py_ssize_t *nodelen) |
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413 { |
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414 if (PyString_AsStringAndSize(obj, node, nodelen) == -1) |
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415 return -1; |
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416 if (*nodelen == 20) |
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417 return 0; |
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418 PyErr_SetString(PyExc_ValueError, "20-byte hash required"); |
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419 return -1; |
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420 } |
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421 |
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422 static PyObject *index_insert(indexObject *self, PyObject *args) |
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423 { |
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424 PyObject *obj; |
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425 char *node; |
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426 long offset; |
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427 Py_ssize_t len, nodelen; |
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428 |
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429 if (!PyArg_ParseTuple(args, "lO", &offset, &obj)) |
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430 return NULL; |
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431 |
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432 if (!PyTuple_Check(obj) || PyTuple_GET_SIZE(obj) != 8) { |
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433 PyErr_SetString(PyExc_TypeError, "8-tuple required"); |
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434 return NULL; |
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435 } |
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436 |
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437 if (node_check(PyTuple_GET_ITEM(obj, 7), &node, &nodelen) == -1) |
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438 return NULL; |
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439 |
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440 len = index_length(self); |
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441 |
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442 if (offset < 0) |
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443 offset += len; |
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444 |
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445 if (offset != len - 1) { |
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446 PyErr_SetString(PyExc_IndexError, |
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447 "insert only supported at index -1"); |
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448 return NULL; |
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449 } |
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450 |
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451 if (offset > INT_MAX) { |
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452 PyErr_SetString(PyExc_ValueError, |
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453 "currently only 2**31 revs supported"); |
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454 return NULL; |
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455 } |
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456 |
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457 if (self->added == NULL) { |
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458 self->added = PyList_New(0); |
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459 if (self->added == NULL) |
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460 return NULL; |
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461 } |
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462 |
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463 if (PyList_Append(self->added, obj) == -1) |
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464 return NULL; |
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465 |
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466 if (self->nt) |
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467 nt_insert(self, node, (int)offset); |
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468 |
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469 Py_RETURN_NONE; |
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470 } |
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471 |
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472 static void _index_clearcaches(indexObject *self) |
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Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
473 { |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
474 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
|
475 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
|
476 |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
477 for (i = 0; i < self->raw_length; i++) { |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
478 Py_XDECREF(self->cache[i]); |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
479 self->cache[i] = NULL; |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
480 } |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
481 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
|
482 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
|
483 } |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
484 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
|
485 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
|
486 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
|
487 } |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
488 if (self->nt) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
489 free(self->nt); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
490 self->nt = NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
491 } |
16370
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
492 } |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
493 |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
494 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
|
495 { |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
496 _index_clearcaches(self); |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
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diff
changeset
|
497 self->ntlength = self->ntcapacity = 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
498 self->ntdepth = self->ntsplits = 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
499 self->ntrev = -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
500 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
|
501 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
|
502 } |
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
503 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
504 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
|
505 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
506 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
|
507 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
508 if (obj == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
509 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
510 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
511 #define istat(__n, __d) \ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
512 if (PyDict_SetItemString(obj, __d, PyInt_FromLong(self->__n)) == -1) \ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
513 goto bail; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
514 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
515 if (self->added) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
516 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
|
517 if (PyDict_SetItemString(obj, "index entries added", |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
518 PyInt_FromLong(len)) == -1) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
519 goto bail; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
520 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
521 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
522 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
|
523 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
|
524 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
|
525 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
|
526 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
|
527 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
|
528 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
|
529 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
|
530 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
|
531 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
|
532 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
533 #undef istat |
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 return obj; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
536 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
537 bail: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
538 Py_XDECREF(obj); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
539 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
540 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
541 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
542 static inline int nt_level(const char *node, int level) |
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 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
|
545 if (!(level & 1)) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
546 v >>= 4; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
547 return v & 0xf; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
548 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
549 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
550 static int nt_find(indexObject *self, 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
|
551 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
552 int level, off; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
553 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
554 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
|
555 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
556 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
557 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
|
558 return -2; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
559 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
560 for (level = off = 0; level < nodelen; level++) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
561 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
|
562 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
|
563 int v = n->children[k]; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
564 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
565 if (v < 0) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
566 const char *n; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
567 v = -v - 1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
568 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
|
569 if (n == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
570 return -2; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
571 return memcmp(node, n, nodelen > 20 ? 20 : nodelen) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
572 ? -2 : v; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
573 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
574 if (v == 0) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
575 return -2; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
576 off = v; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
577 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
578 return -2; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
579 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
580 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
581 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
|
582 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
583 if (self->ntlength == self->ntcapacity) { |
e8d37b78acfb
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584 self->ntcapacity *= 2; |
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585 self->nt = realloc(self->nt, |
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586 self->ntcapacity * sizeof(nodetree)); |
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587 if (self->nt == NULL) { |
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588 PyErr_SetString(PyExc_MemoryError, "out of memory"); |
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589 return -1; |
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590 } |
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591 memset(&self->nt[self->ntlength], 0, |
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592 sizeof(nodetree) * (self->ntcapacity - self->ntlength)); |
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593 } |
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594 return self->ntlength++; |
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595 } |
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596 |
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597 static int nt_insert(indexObject *self, const char *node, int rev) |
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598 { |
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599 int level = 0; |
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600 int off = 0; |
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601 |
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602 while (level < 20) { |
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603 int k = nt_level(node, level); |
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604 nodetree *n; |
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605 int v; |
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606 |
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607 n = &self->nt[off]; |
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608 v = n->children[k]; |
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609 |
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610 if (v == 0) { |
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611 n->children[k] = -rev - 1; |
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612 return 0; |
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613 } |
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614 if (v < 0) { |
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615 const char *oldnode = index_node(self, -v - 1); |
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616 int noff; |
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617 |
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618 if (!oldnode || !memcmp(oldnode, node, 20)) { |
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619 n->children[k] = -rev - 1; |
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620 return 0; |
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621 } |
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622 noff = nt_new(self); |
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623 if (noff == -1) |
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624 return -1; |
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625 /* self->nt may have been changed by realloc */ |
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626 self->nt[off].children[k] = noff; |
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627 off = noff; |
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628 n = &self->nt[off]; |
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629 n->children[nt_level(oldnode, ++level)] = v; |
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630 if (level > self->ntdepth) |
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631 self->ntdepth = level; |
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632 self->ntsplits += 1; |
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633 } else { |
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634 level += 1; |
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635 off = v; |
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636 } |
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637 } |
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638 |
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639 return -1; |
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640 } |
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641 |
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642 /* |
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643 * Return values: |
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644 * |
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645 * -3: error (exception set) |
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646 * -2: not found (no exception set) |
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647 * rest: valid rev |
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648 */ |
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649 static int index_find_node(indexObject *self, |
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650 const char *node, Py_ssize_t nodelen) |
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651 { |
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652 int rev; |
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653 |
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654 self->ntlookups++; |
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655 rev = nt_find(self, node, nodelen); |
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656 if (rev >= -1) |
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657 return rev; |
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658 |
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659 if (self->nt == NULL) { |
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660 self->ntcapacity = self->raw_length < 4 |
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661 ? 4 : self->raw_length / 2; |
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662 self->nt = calloc(self->ntcapacity, sizeof(nodetree)); |
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663 if (self->nt == NULL) { |
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664 PyErr_SetString(PyExc_MemoryError, "out of memory"); |
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665 return -3; |
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666 } |
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667 self->ntlength = 1; |
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668 self->ntrev = (int)index_length(self) - 1; |
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669 self->ntlookups = 1; |
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670 self->ntmisses = 0; |
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671 } |
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672 |
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673 /* |
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674 * For the first handful of lookups, we scan the entire index, |
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675 * and cache only the matching nodes. This optimizes for cases |
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676 * like "hg tip", where only a few nodes are accessed. |
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677 * |
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678 * After that, we cache every node we visit, using a single |
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679 * scan amortized over multiple lookups. This gives the best |
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680 * bulk performance, e.g. for "hg log". |
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681 */ |
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682 if (self->ntmisses++ < 4) { |
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683 for (rev = self->ntrev - 1; rev >= 0; rev--) { |
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684 const char *n = index_node(self, rev); |
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685 if (n == NULL) |
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686 return -2; |
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687 if (memcmp(node, n, nodelen > 20 ? 20 : nodelen) == 0) { |
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688 if (nt_insert(self, n, rev) == -1) |
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689 return -3; |
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690 break; |
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691 } |
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692 } |
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693 } else { |
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694 for (rev = self->ntrev - 1; rev >= 0; rev--) { |
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Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
695 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
|
696 if (n == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
697 return -2; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
698 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
|
699 return -3; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
700 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
|
701 break; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
702 } |
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
changeset
|
704 self->ntrev = 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 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
707 if (rev >= 0) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
708 return rev; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
709 return -2; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
710 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
711 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
712 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
|
713 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
714 static PyObject *errclass; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
715 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
|
716 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
717 if (errclass == NULL) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
718 PyObject *dict; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
719 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
720 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
|
721 if (mod == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
722 goto classfail; |
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 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
|
725 if (dict == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
726 goto classfail; |
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 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
|
729 if (errclass == NULL) { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
730 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
|
731 "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
|
732 goto classfail; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
733 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
734 Py_INCREF(errclass); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
735 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
736 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
737 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
|
738 if (errobj == NULL) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
739 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
740 PyErr_SetObject(errclass, errobj); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
741 return errobj; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
742 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
743 classfail: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
744 Py_XDECREF(mod); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
745 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
746 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
747 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
748 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
|
749 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
750 char *node; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
751 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
|
752 int rev; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
753 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
754 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
|
755 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
|
756 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
757 if (PyString_AsStringAndSize(value, &node, &nodelen) == -1) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
758 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
759 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:
16393
diff
changeset
|
760 if (rev >= -1) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
761 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
|
762 if (rev == -2) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
763 raise_revlog_error(); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
764 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
765 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
766 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
767 static PyObject *index_m_get(indexObject *self, PyObject *args) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
768 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
769 char *node; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
770 int nodelen, rev; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
771 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
772 if (!PyArg_ParseTuple(args, "s#", &node, &nodelen)) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
773 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
774 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
775 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:
16393
diff
changeset
|
776 if (rev == -3) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
777 return NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
778 if (rev == -2) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
779 Py_RETURN_NONE; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
780 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
|
781 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
782 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
783 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
|
784 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
785 char *node; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
786 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
|
787 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
788 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
|
789 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
|
790 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
|
791 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
792 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
793 if (!PyString_Check(value)) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
794 return 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
795 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
796 node = PyString_AS_STRING(value); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
797 nodelen = PyString_GET_SIZE(value); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
798 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
799 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
|
800 case -3: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
801 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
802 case -2: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
803 return 0; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
804 default: |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
805 return 1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
806 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
807 } |
e8d37b78acfb
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808 |
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809 /* |
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810 * Invalidate any trie entries introduced by added revs. |
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811 */ |
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812 static void nt_invalidate_added(indexObject *self, Py_ssize_t start) |
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813 { |
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814 Py_ssize_t i, len = PyList_GET_SIZE(self->added); |
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815 |
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816 for (i = start; i < len; i++) { |
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817 PyObject *tuple = PyList_GET_ITEM(self->added, i); |
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818 PyObject *node = PyTuple_GET_ITEM(tuple, 7); |
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819 |
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820 nt_insert(self, PyString_AS_STRING(node), -1); |
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821 } |
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822 |
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823 if (start == 0) { |
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824 Py_DECREF(self->added); |
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825 self->added = NULL; |
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826 } |
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827 } |
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828 |
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829 /* |
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830 * Delete a numeric range of revs, which must be at the end of the |
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831 * range, but exclude the sentinel nullid entry. |
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832 */ |
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833 static int index_slice_del(indexObject *self, PyObject *item) |
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834 { |
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835 Py_ssize_t start, stop, step, slicelength; |
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836 Py_ssize_t length = index_length(self); |
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837 |
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838 if (PySlice_GetIndicesEx((PySliceObject*)item, length, |
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839 &start, &stop, &step, &slicelength) < 0) |
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840 return -1; |
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841 |
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842 if (slicelength <= 0) |
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843 return 0; |
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844 |
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845 if ((step < 0 && start < stop) || (step > 0 && start > stop)) |
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846 stop = start; |
7108
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847 |
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848 if (step < 0) { |
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849 stop = start + 1; |
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850 start = stop + step*(slicelength - 1) - 1; |
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851 step = -step; |
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852 } |
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853 |
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854 if (step != 1) { |
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855 PyErr_SetString(PyExc_ValueError, |
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856 "revlog index delete requires step size of 1"); |
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|
857 return -1; |
7108
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858 } |
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859 |
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860 if (stop != length - 1) { |
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861 PyErr_SetString(PyExc_IndexError, |
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862 "revlog index deletion indices are invalid"); |
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863 return -1; |
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864 } |
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865 |
16414
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866 if (start < self->length - 1) { |
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867 if (self->nt) { |
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868 Py_ssize_t i; |
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869 |
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870 for (i = start + 1; i < self->length - 1; i++) { |
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871 const char *node = index_node(self, i); |
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872 |
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873 if (node) |
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874 nt_insert(self, node, -1); |
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875 } |
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876 if (self->added) |
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877 nt_invalidate_added(self, 0); |
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878 if (self->ntrev > start) |
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879 self->ntrev = (int)start; |
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|
880 } |
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|
881 self->length = start + 1; |
7154
7fdf7a0a41b7
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
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diff
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|
882 return 0; |
7108
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|
883 } |
1ca878d7b849
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Bernhard Leiner <bleiner@gmail.com>
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|
884 |
16414
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885 if (self->nt) { |
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886 nt_invalidate_added(self, start - self->length + 1); |
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887 if (self->ntrev > start) |
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888 self->ntrev = (int)start; |
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889 } |
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890 return self->added |
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891 ? PyList_SetSlice(self->added, start - self->length + 1, |
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892 PyList_GET_SIZE(self->added), NULL) |
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|
893 : 0; |
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|
894 } |
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|
895 |
16414
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896 /* |
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|
897 * Supported ops: |
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898 * |
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899 * slice deletion |
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900 * string assignment (extend node->rev mapping) |
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901 * string deletion (shrink node->rev mapping) |
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902 */ |
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|
903 static int index_assign_subscript(indexObject *self, PyObject *item, |
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|
904 PyObject *value) |
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905 { |
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906 char *node; |
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|
907 Py_ssize_t nodelen; |
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|
908 long rev; |
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|
909 |
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910 if (PySlice_Check(item) && value == NULL) |
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911 return index_slice_del(self, item); |
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|
912 |
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|
913 if (node_check(item, &node, &nodelen) == -1) |
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|
914 return -1; |
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|
915 |
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|
916 if (value == NULL) |
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|
917 return self->nt ? nt_insert(self, node, -1) : 0; |
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|
918 rev = PyInt_AsLong(value); |
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|
919 if (rev > INT_MAX || rev < 0) { |
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diff
changeset
|
920 if (!PyErr_Occurred()) |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
921 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
|
922 return -1; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
923 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
924 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
|
925 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
926 |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
927 /* |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
928 * 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
|
929 * 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
|
930 */ |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
931 static long inline_scan(indexObject *self, const char **offsets) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
932 { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
933 const char *data = PyString_AS_STRING(self->data); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
934 const char *end = data + PyString_GET_SIZE(self->data); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
935 const long hdrsize = 64; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
936 long incr = hdrsize; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
937 Py_ssize_t len = 0; |
13254
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
changeset
|
938 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
939 while (data + hdrsize <= end) { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
940 uint32_t comp_len; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
941 const char *old_data; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
942 /* 3rd element of header is length of compressed inline data */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
943 memcpy(&comp_len, data + 8, sizeof(uint32_t)); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
944 incr = hdrsize + ntohl(comp_len); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
945 if (incr < hdrsize) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
946 break; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
947 if (offsets) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
948 offsets[len] = data; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
949 len++; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
950 old_data = data; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
951 data += incr; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
952 if (data <= old_data) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
953 break; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
954 } |
13254
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
changeset
|
955 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
956 if (data != end && data + hdrsize != end) { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
957 if (!PyErr_Occurred()) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
958 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
|
959 return -1; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
960 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
961 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
962 return len; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
963 } |
13254
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
changeset
|
964 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
965 static int index_real_init(indexObject *self, const char *data, int size, |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
966 PyObject *inlined_obj, PyObject *data_obj) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
967 { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
968 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
|
969 self->data = data_obj; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
970 self->cache = NULL; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
971 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
972 self->added = NULL; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
973 self->offsets = NULL; |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
974 self->nt = NULL; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
975 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
|
976 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
|
977 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
|
978 self->ntrev = -1; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
979 Py_INCREF(self->data); |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
980 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
981 if (self->inlined) { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
982 long len = inline_scan(self, NULL); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
983 if (len == -1) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
984 goto bail; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
985 self->raw_length = len; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
986 self->length = len + 1; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
987 } else { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
988 if (size % 64) { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
989 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
|
990 goto bail; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
991 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
992 self->raw_length = size / 64; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
993 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
|
994 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
995 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
996 return 0; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
997 bail: |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
998 return -1; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
999 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1000 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1001 static int index_init(indexObject *self, PyObject *args, PyObject *kwds) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1002 { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1003 const char *data; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1004 int size; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1005 PyObject *inlined_obj; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1006 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1007 if (!PyArg_ParseTuple(args, "s#O", &data, &size, &inlined_obj)) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1008 return -1; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1009 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1010 return index_real_init(self, data, size, inlined_obj, |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1011 PyTuple_GET_ITEM(args, 0)); |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
1012 } |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
1013 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1014 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
|
1015 { |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
1016 return (PyObject *)self; |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1017 } |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
1018 |
16363
2cdd7e63211b
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Bryan O'Sullivan <bryano@fb.com>
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15033
diff
changeset
|
1019 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
|
1020 { |
16370
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
1021 _index_clearcaches(self); |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1022 Py_DECREF(self->data); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1023 Py_XDECREF(self->added); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1024 PyObject_Del(self); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1025 } |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1026 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1027 static PySequenceMethods index_sequence_methods = { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1028 (lenfunc)index_length, /* sq_length */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1029 0, /* sq_concat */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1030 0, /* sq_repeat */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1031 (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
|
1032 0, /* sq_slice */ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1033 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
|
1034 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
|
1035 (objobjproc)index_contains, /* sq_contains */ |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1036 }; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1037 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1038 static PyMappingMethods index_mapping_methods = { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1039 (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
|
1040 (binaryfunc)index_getitem, /* mp_subscript */ |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1041 (objobjargproc)index_assign_subscript, /* mp_ass_subscript */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1042 }; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1043 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1044 static PyMethodDef index_methods[] = { |
16370
28bb4daf070c
parsers: fix a memleak, and add a clearcaches method to the index
Bryan O'Sullivan <bryano@fb.com>
parents:
16363
diff
changeset
|
1045 {"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
|
1046 "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
changeset
|
1047 {"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
|
1048 "get an index entry"}, |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1049 {"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
|
1050 "insert an index entry"}, |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1051 {"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
|
1052 "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
|
1053 {NULL} /* Sentinel */ |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1054 }; |
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 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
|
1057 {"nodemap", (getter)index_nodemap, NULL, "nodemap", NULL}, |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1058 {NULL} /* Sentinel */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1059 }; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1060 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1061 static PyTypeObject indexType = { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1062 PyObject_HEAD_INIT(NULL) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1063 0, /* ob_size */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1064 "parsers.index", /* tp_name */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1065 sizeof(indexObject), /* tp_basicsize */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1066 0, /* tp_itemsize */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1067 (destructor)index_dealloc, /* tp_dealloc */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1068 0, /* tp_print */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1069 0, /* tp_getattr */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1070 0, /* tp_setattr */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1071 0, /* tp_compare */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1072 0, /* tp_repr */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1073 0, /* tp_as_number */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1074 &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
|
1075 &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
|
1076 0, /* tp_hash */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1077 0, /* tp_call */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1078 0, /* tp_str */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1079 0, /* tp_getattro */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1080 0, /* tp_setattro */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1081 0, /* tp_as_buffer */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1082 Py_TPFLAGS_DEFAULT, /* tp_flags */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1083 "revlog index", /* tp_doc */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1084 0, /* tp_traverse */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1085 0, /* tp_clear */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1086 0, /* tp_richcompare */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1087 0, /* tp_weaklistoffset */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1088 0, /* tp_iter */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1089 0, /* tp_iternext */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1090 index_methods, /* tp_methods */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1091 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
|
1092 index_getset, /* tp_getset */ |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1093 0, /* tp_base */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1094 0, /* tp_dict */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1095 0, /* tp_descr_get */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1096 0, /* tp_descr_set */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1097 0, /* tp_dictoffset */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1098 (initproc)index_init, /* tp_init */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1099 0, /* tp_alloc */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1100 PyType_GenericNew, /* tp_new */ |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1101 }; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1102 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1103 /* |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1104 * 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
|
1105 * follows: |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
1106 * |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1107 * 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>
parents:
15033
diff
changeset
|
1108 * 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>
parents:
15033
diff
changeset
|
1109 * |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1110 * added complications are for backwards compatibility |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
1111 */ |
13254
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents:
11361
diff
changeset
|
1112 static PyObject *parse_index2(PyObject *self, PyObject *args) |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
1113 { |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
1114 const char *data; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1115 int size, ret; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1116 PyObject *inlined_obj, *tuple = NULL, *cache = NULL; |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1117 indexObject *idx; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
1118 |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
1119 if (!PyArg_ParseTuple(args, "s#O", &data, &size, &inlined_obj)) |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
1120 return NULL; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1121 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1122 idx = PyObject_New(indexObject, &indexType); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1123 |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1124 if (idx == NULL) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1125 goto bail; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
1126 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1127 ret = index_real_init(idx, data, size, inlined_obj, |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1128 PyTuple_GET_ITEM(args, 0)); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1129 if (ret) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1130 goto bail; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
1131 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1132 if (idx->inlined) { |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1133 Py_INCREF(idx->data); |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1134 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
|
1135 if (cache == NULL) |
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1136 goto bail; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
1137 } else { |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
1138 cache = Py_None; |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1139 Py_INCREF(cache); |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
1140 } |
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
parents:
7093
diff
changeset
|
1141 |
16414
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1142 Py_INCREF(idx); |
e8d37b78acfb
parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents:
16393
diff
changeset
|
1143 |
16363
2cdd7e63211b
parsers: incrementally parse the revlog index in C
Bryan O'Sullivan <bryano@fb.com>
parents:
15033
diff
changeset
|
1144 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
|
1145 if (!tuple) |
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1146 goto bail; |
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|
1147 return tuple; |
7108
1ca878d7b849
C implementation of revlog index parsing
Bernhard Leiner <bleiner@gmail.com>
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|
1148 |
16363
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|
1149 bail: |
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|
1150 Py_XDECREF(idx); |
7108
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|
1151 Py_XDECREF(cache); |
16363
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|
1152 Py_XDECREF(tuple); |
7108
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C implementation of revlog index parsing
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diff
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|
1153 return NULL; |
1ca878d7b849
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diff
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|
1154 } |
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C implementation of revlog index parsing
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|
1155 |
6389
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1156 static char parsers_doc[] = "Efficient content parsing."; |
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|
1157 |
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1158 static PyMethodDef methods[] = { |
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1159 {"parse_manifest", parse_manifest, METH_VARARGS, "parse a manifest\n"}, |
7093
16bafcebd3d1
dirstate: C parsing extension
Matt Mackall <mpm@selenic.com>
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7092
diff
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|
1160 {"parse_dirstate", parse_dirstate, METH_VARARGS, "parse a dirstate\n"}, |
13254
5ef5eb1f3515
revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
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|
1161 {"parse_index2", parse_index2, METH_VARARGS, "parse a revlog index\n"}, |
6389
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|
1162 {NULL, NULL} |
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|
1163 }; |
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manifest: improve parsing performance by 8x via a new C extension
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|
1164 |
16363
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1165 static void module_init(PyObject *mod) |
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|
1166 { |
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1167 if (PyType_Ready(&indexType) < 0) |
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|
1168 return; |
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|
1169 Py_INCREF(&indexType); |
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|
1170 |
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|
1171 PyModule_AddObject(mod, "index", (PyObject *)&indexType); |
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|
1172 |
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|
1173 nullentry = Py_BuildValue("iiiiiiis#", 0, 0, 0, |
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1174 -1, -1, -1, -1, nullid, 20); |
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1175 if (nullentry) |
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|
1176 PyObject_GC_UnTrack(nullentry); |
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1177 } |
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|
1178 |
11361
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
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diff
changeset
|
1179 #ifdef IS_PY3K |
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parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
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|
1180 static struct PyModuleDef parsers_module = { |
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Renato Cunha <renatoc@gmail.com>
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|
1181 PyModuleDef_HEAD_INIT, |
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Renato Cunha <renatoc@gmail.com>
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diff
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|
1182 "parsers", |
3de3d670d2b6
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diff
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|
1183 parsers_doc, |
3de3d670d2b6
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Renato Cunha <renatoc@gmail.com>
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diff
changeset
|
1184 -1, |
3de3d670d2b6
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Renato Cunha <renatoc@gmail.com>
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|
1185 methods |
3de3d670d2b6
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Renato Cunha <renatoc@gmail.com>
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diff
changeset
|
1186 }; |
3de3d670d2b6
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Renato Cunha <renatoc@gmail.com>
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10449
diff
changeset
|
1187 |
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
parents:
10449
diff
changeset
|
1188 PyMODINIT_FUNC PyInit_parsers(void) |
3de3d670d2b6
parsers.c: Added support for py3k.
Renato Cunha <renatoc@gmail.com>
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diff
changeset
|
1189 { |
16363
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|
1190 PyObject *mod = PyModule_Create(&parsers_module); |
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|
1191 module_init(mod); |
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|
1192 return mod; |
11361
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|
1193 } |
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Renato Cunha <renatoc@gmail.com>
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changeset
|
1194 #else |
6389
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diff
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|
1195 PyMODINIT_FUNC initparsers(void) |
0231f763ebc8
manifest: improve parsing performance by 8x via a new C extension
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diff
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|
1196 { |
16363
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|
1197 PyObject *mod = Py_InitModule3("parsers", methods, parsers_doc); |
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Bryan O'Sullivan <bryano@fb.com>
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|
1198 module_init(mod); |
6389
0231f763ebc8
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|
1199 } |
11361
3de3d670d2b6
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|
1200 #endif |