Mercurial > hg
annotate mercurial/exewrapper.c @ 17626:3a524b647897
context: add "descendant()" to changectx for efficient descendant examination
This patch adds "descendant()", which uses "revlog.descendant()" for
descendant examination, to changectx.
This implementation is more efficient than "new in old.descendants()"
expression, because:
- "changectx.descendants()" creates temporary "changectx" objects,
but "revlog.descendant()" doesn't
"revlog.descendant()" checks only revision numbers of descendants.
- "revlog.descendant()" stops scanning, when scanning of all
revisions less than one of examination target is finished
this can avoid useless scanning in "not descendant" case.
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
---|---|
date | Tue, 18 Sep 2012 21:39:12 +0900 |
parents | 3fbc6e3abdbd |
children | 93d97a212559 |
rev | line source |
---|---|
17058
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
1 /* |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
2 exewrapper.c - wrapper for calling a python script on Windows |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
3 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
4 Copyright 2012 Adrian Buehlmann <adrian@cadifra.com> and others |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
5 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
6 This software may be used and distributed according to the terms of the |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
7 GNU General Public License version 2 or any later version. |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
8 */ |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
9 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
10 #include <Python.h> |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
11 #include <windows.h> |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
12 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
13 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
14 #ifdef __GNUC__ |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
15 int strcat_s(char *d, size_t n, const char *s) |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
16 { |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
17 return !strncat(d, s, n); |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
18 } |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
19 #endif |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
20 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
21 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
22 static char pyscript[MAX_PATH + 10]; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
23 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
24 int main(int argc, char *argv[]) |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
25 { |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
26 char *dot; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
27 int ret; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
28 int i; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
29 int n; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
30 char **pyargv; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
31 WIN32_FIND_DATA fdata; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
32 HANDLE hfind; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
33 const char *err; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
34 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
35 if (GetModuleFileName(NULL, pyscript, sizeof(pyscript)) == 0) |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
36 { |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
37 err = "GetModuleFileName failed"; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
38 goto bail; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
39 } |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
40 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
41 dot = strrchr(pyscript, '.'); |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
42 if (dot == NULL) { |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
43 err = "malformed module filename"; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
44 goto bail; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
45 } |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
46 *dot = 0; /* cut trailing ".exe" */ |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
47 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
48 hfind = FindFirstFile(pyscript, &fdata); |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
49 if (hfind != INVALID_HANDLE_VALUE) { |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
50 /* pyscript exists, close handle */ |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
51 FindClose(hfind); |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
52 } else { |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
53 /* file pyscript isn't there, take <pyscript>exe.py */ |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
54 strcat_s(pyscript, sizeof(pyscript), "exe.py"); |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
55 } |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
56 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
57 /* |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
58 Only add the pyscript to the args, if it's not already there. It may |
17063
3fbc6e3abdbd
exewrapper: use generic term script
Adrian Buehlmann <adrian@cadifra.com>
parents:
17058
diff
changeset
|
59 already be there, if the script spawned a child process of itself, in |
17058
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
60 the same way as it got called, that is, with the pyscript already in |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
61 place. So we optionally accept the pyscript as the first argument |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
62 (argv[1]), letting our exe taking the role of the python interpreter. |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
63 */ |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
64 if (argc >= 2 && strcmp(argv[1], pyscript) == 0) { |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
65 /* |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
66 pyscript is already in the args, so there is no need to copy |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
67 the args and we can directly call the python interpreter with |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
68 the original args. |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
69 */ |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
70 return Py_Main(argc, argv); |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
71 } |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
72 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
73 /* |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
74 Start assembling the args for the Python interpreter call. We put the |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
75 name of our exe (argv[0]) in the position where the python.exe |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
76 canonically is, and insert the pyscript next. |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
77 */ |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
78 pyargv = malloc((argc + 5) * sizeof(char*)); |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
79 if (pyargv == NULL) { |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
80 err = "not enough memory"; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
81 goto bail; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
82 } |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
83 n = 0; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
84 pyargv[n++] = argv[0]; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
85 pyargv[n++] = pyscript; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
86 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
87 /* copy remaining args from the command line */ |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
88 for (i = 1; i < argc; i++) |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
89 pyargv[n++] = argv[i]; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
90 /* argv[argc] is guaranteed to be NULL, so we forward that guarantee */ |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
91 pyargv[n] = NULL; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
92 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
93 ret = Py_Main(n, pyargv); /* The Python interpreter call */ |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
94 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
95 free(pyargv); |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
96 return ret; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
97 |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
98 bail: |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
99 fprintf(stderr, "abort: %s\n", err); |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
100 return 255; |
d5422faf648c
exewrapper: adding new exewrapper.c
Adrian Buehlmann <adrian@cadifra.com>
parents:
diff
changeset
|
101 } |