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Commit 78eb13f9 authored by Stefan Behnel's avatar Stefan Behnel
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move embedded C main function code into external utility code file

parent e0c7b9d0
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Inline Side-by-side
Showing with 193 additions and 193 deletions
Cython/Compiler/ModuleNode.py
View file @ 78eb13f9
......@@ -2861,199 +2861,7 @@ bad:
refnanny_utility_code = UtilityCode.load_cached("Refnanny", "ModuleSetupCode.c")
main_method = UtilityCode(
impl = """
#ifdef __FreeBSD__
#include <floatingpoint.h>
#endif
#if PY_MAJOR_VERSION < 3
int %(main_method)s(int argc, char** argv) {
#elif defined(WIN32) || defined(MS_WINDOWS)
int %(wmain_method)s(int argc, wchar_t **argv) {
#else
static int __Pyx_main(int argc, wchar_t **argv) {
#endif
/* 754 requires that FP exceptions run in "no stop" mode by default,
* and until C vendors implement C99's ways to control FP exceptions,
* Python requires non-stop mode. Alas, some platforms enable FP
* exceptions by default. Here we disable them.
*/
#ifdef __FreeBSD__
fp_except_t m;
m = fpgetmask();
fpsetmask(m & ~FP_X_OFL);
#endif
if (argc && argv)
Py_SetProgramName(argv[0]);
Py_Initialize();
if (argc && argv)
PySys_SetArgv(argc, argv);
{ /* init module '%(module_name)s' as '__main__' */
PyObject* m = NULL;
%(module_is_main)s = 1;
#if PY_MAJOR_VERSION < 3
init%(module_name)s();
#else
m = PyInit_%(module_name)s();
#endif
if (PyErr_Occurred()) {
PyErr_Print(); /* This exits with the right code if SystemExit. */
#if PY_MAJOR_VERSION < 3
if (Py_FlushLine()) PyErr_Clear();
#endif
return 1;
}
Py_XDECREF(m);
}
Py_Finalize();
return 0;
}
#if PY_MAJOR_VERSION >= 3 && !defined(WIN32) && !defined(MS_WINDOWS)
#include <locale.h>
static wchar_t*
__Pyx_char2wchar(char* arg)
{
wchar_t *res;
#ifdef HAVE_BROKEN_MBSTOWCS
/* Some platforms have a broken implementation of
* mbstowcs which does not count the characters that
* would result from conversion. Use an upper bound.
*/
size_t argsize = strlen(arg);
#else
size_t argsize = mbstowcs(NULL, arg, 0);
#endif
size_t count;
unsigned char *in;
wchar_t *out;
#ifdef HAVE_MBRTOWC
mbstate_t mbs;
#endif
if (argsize != (size_t)-1) {
res = (wchar_t *)malloc((argsize+1)*sizeof(wchar_t));
if (!res)
goto oom;
count = mbstowcs(res, arg, argsize+1);
if (count != (size_t)-1) {
wchar_t *tmp;
/* Only use the result if it contains no
surrogate characters. */
for (tmp = res; *tmp != 0 &&
(*tmp < 0xd800 || *tmp > 0xdfff); tmp++)
;
if (*tmp == 0)
return res;
}
free(res);
}
/* Conversion failed. Fall back to escaping with surrogateescape. */
#ifdef HAVE_MBRTOWC
/* Try conversion with mbrtwoc (C99), and escape non-decodable bytes. */
/* Overallocate; as multi-byte characters are in the argument, the
actual output could use less memory. */
argsize = strlen(arg) + 1;
res = malloc(argsize*sizeof(wchar_t));
if (!res) goto oom;
in = (unsigned char*)arg;
out = res;
memset(&mbs, 0, sizeof mbs);
while (argsize) {
size_t converted = mbrtowc(out, (char*)in, argsize, &mbs);
if (converted == 0)
/* Reached end of string; null char stored. */
break;
if (converted == (size_t)-2) {
/* Incomplete character. This should never happen,
since we provide everything that we have -
unless there is a bug in the C library, or I
misunderstood how mbrtowc works. */
fprintf(stderr, "unexpected mbrtowc result -2\\n");
return NULL;
}
if (converted == (size_t)-1) {
/* Conversion error. Escape as UTF-8b, and start over
in the initial shift state. */
*out++ = 0xdc00 + *in++;
argsize--;
memset(&mbs, 0, sizeof mbs);
continue;
}
if (*out >= 0xd800 && *out <= 0xdfff) {
/* Surrogate character. Escape the original
byte sequence with surrogateescape. */
argsize -= converted;
while (converted--)
*out++ = 0xdc00 + *in++;
continue;
}
/* successfully converted some bytes */
in += converted;
argsize -= converted;
out++;
}
#else
/* Cannot use C locale for escaping; manually escape as if charset
is ASCII (i.e. escape all bytes > 128. This will still roundtrip
correctly in the locale's charset, which must be an ASCII superset. */
res = malloc((strlen(arg)+1)*sizeof(wchar_t));
if (!res) goto oom;
in = (unsigned char*)arg;
out = res;
while(*in)
if(*in < 128)
*out++ = *in++;
else
*out++ = 0xdc00 + *in++;
*out = 0;
#endif
return res;
oom:
fprintf(stderr, "out of memory\\n");
return NULL;
}
int
%(main_method)s(int argc, char **argv)
{
if (!argc) {
return __Pyx_main(0, NULL);
}
else {
wchar_t **argv_copy = (wchar_t **)malloc(sizeof(wchar_t*)*argc);
/* We need a second copies, as Python might modify the first one. */
wchar_t **argv_copy2 = (wchar_t **)malloc(sizeof(wchar_t*)*argc);
int i, res;
char *oldloc;
if (!argv_copy || !argv_copy2) {
fprintf(stderr, "out of memory\\n");
return 1;
}
oldloc = strdup(setlocale(LC_ALL, NULL));
setlocale(LC_ALL, "");
for (i = 0; i < argc; i++) {
argv_copy2[i] = argv_copy[i] = __Pyx_char2wchar(argv[i]);
if (!argv_copy[i])
return 1;
}
setlocale(LC_ALL, oldloc);
free(oldloc);
res = __Pyx_main(argc, argv_copy);
for (i = 0; i < argc; i++) {
free(argv_copy2[i]);
}
free(argv_copy);
free(argv_copy2);
return res;
}
}
#endif
""")
main_method = UtilityCode.load("MainFunction", "Embed.c")
packed_struct_utility_code = UtilityCode(proto="""
#if defined(__GNUC__)
......
Cython/Utility/Embed.c 0 → 100644
View file @ 78eb13f9
//////////////////// MainFunction ////////////////////
#ifdef __FreeBSD__
#include <floatingpoint.h>
#endif
#if PY_MAJOR_VERSION < 3
int %(main_method)s(int argc, char** argv) {
#elif defined(WIN32) || defined(MS_WINDOWS)
int %(wmain_method)s(int argc, wchar_t **argv) {
#else
static int __Pyx_main(int argc, wchar_t **argv) {
#endif
/* 754 requires that FP exceptions run in "no stop" mode by default,
* and until C vendors implement C99's ways to control FP exceptions,
* Python requires non-stop mode. Alas, some platforms enable FP
* exceptions by default. Here we disable them.
*/
#ifdef __FreeBSD__
fp_except_t m;
m = fpgetmask();
fpsetmask(m & ~FP_X_OFL);
#endif
if (argc && argv)
Py_SetProgramName(argv[0]);
Py_Initialize();
if (argc && argv)
PySys_SetArgv(argc, argv);
{ /* init module '%(module_name)s' as '__main__' */
PyObject* m = NULL;
%(module_is_main)s = 1;
#if PY_MAJOR_VERSION < 3
init%(module_name)s();
#else
m = PyInit_%(module_name)s();
#endif
if (PyErr_Occurred()) {
PyErr_Print(); /* This exits with the right code if SystemExit. */
#if PY_MAJOR_VERSION < 3
if (Py_FlushLine()) PyErr_Clear();
#endif
return 1;
}
Py_XDECREF(m);
}
Py_Finalize();
return 0;
}
#if PY_MAJOR_VERSION >= 3 && !defined(WIN32) && !defined(MS_WINDOWS)
#include <locale.h>
static wchar_t*
__Pyx_char2wchar(char* arg)
{
wchar_t *res;
#ifdef HAVE_BROKEN_MBSTOWCS
/* Some platforms have a broken implementation of
* mbstowcs which does not count the characters that
* would result from conversion. Use an upper bound.
*/
size_t argsize = strlen(arg);
#else
size_t argsize = mbstowcs(NULL, arg, 0);
#endif
size_t count;
unsigned char *in;
wchar_t *out;
#ifdef HAVE_MBRTOWC
mbstate_t mbs;
#endif
if (argsize != (size_t)-1) {
res = (wchar_t *)malloc((argsize+1)*sizeof(wchar_t));
if (!res)
goto oom;
count = mbstowcs(res, arg, argsize+1);
if (count != (size_t)-1) {
wchar_t *tmp;
/* Only use the result if it contains no
surrogate characters. */
for (tmp = res; *tmp != 0 &&
(*tmp < 0xd800 || *tmp > 0xdfff); tmp++)
;
if (*tmp == 0)
return res;
}
free(res);
}
/* Conversion failed. Fall back to escaping with surrogateescape. */
#ifdef HAVE_MBRTOWC
/* Try conversion with mbrtwoc (C99), and escape non-decodable bytes. */
/* Overallocate; as multi-byte characters are in the argument, the
actual output could use less memory. */
argsize = strlen(arg) + 1;
res = malloc(argsize*sizeof(wchar_t));
if (!res) goto oom;
in = (unsigned char*)arg;
out = res;
memset(&mbs, 0, sizeof mbs);
while (argsize) {
size_t converted = mbrtowc(out, (char*)in, argsize, &mbs);
if (converted == 0)
/* Reached end of string; null char stored. */
break;
if (converted == (size_t)-2) {
/* Incomplete character. This should never happen,
since we provide everything that we have -
unless there is a bug in the C library, or I
misunderstood how mbrtowc works. */
fprintf(stderr, "unexpected mbrtowc result -2\\n");
return NULL;
}
if (converted == (size_t)-1) {
/* Conversion error. Escape as UTF-8b, and start over
in the initial shift state. */
*out++ = 0xdc00 + *in++;
argsize--;
memset(&mbs, 0, sizeof mbs);
continue;
}
if (*out >= 0xd800 && *out <= 0xdfff) {
/* Surrogate character. Escape the original
byte sequence with surrogateescape. */
argsize -= converted;
while (converted--)
*out++ = 0xdc00 + *in++;
continue;
}
/* successfully converted some bytes */
in += converted;
argsize -= converted;
out++;
}
#else
/* Cannot use C locale for escaping; manually escape as if charset
is ASCII (i.e. escape all bytes > 128. This will still roundtrip
correctly in the locale's charset, which must be an ASCII superset. */
res = malloc((strlen(arg)+1)*sizeof(wchar_t));
if (!res) goto oom;
in = (unsigned char*)arg;
out = res;
while(*in)
if(*in < 128)
*out++ = *in++;
else
*out++ = 0xdc00 + *in++;
*out = 0;
#endif
return res;
oom:
fprintf(stderr, "out of memory\\n");
return NULL;
}
int
%(main_method)s(int argc, char **argv)
{
if (!argc) {
return __Pyx_main(0, NULL);
}
else {
wchar_t **argv_copy = (wchar_t **)malloc(sizeof(wchar_t*)*argc);
/* We need a second copies, as Python might modify the first one. */
wchar_t **argv_copy2 = (wchar_t **)malloc(sizeof(wchar_t*)*argc);
int i, res;
char *oldloc;
if (!argv_copy || !argv_copy2) {
fprintf(stderr, "out of memory\\n");
return 1;
}
oldloc = strdup(setlocale(LC_ALL, NULL));
setlocale(LC_ALL, "");
for (i = 0; i < argc; i++) {
argv_copy2[i] = argv_copy[i] = __Pyx_char2wchar(argv[i]);
if (!argv_copy[i])
return 1;
}
setlocale(LC_ALL, oldloc);
free(oldloc);
res = __Pyx_main(argc, argv_copy);
for (i = 0; i < argc; i++) {
free(argv_copy2[i]);
}
free(argv_copy);
free(argv_copy2);
return res;
}
}
#endif
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