diff options
Diffstat (limited to 'AppPkg/Applications/Python/Python-2.7.2/Modules/main.c')
| -rw-r--r-- | AppPkg/Applications/Python/Python-2.7.2/Modules/main.c | 663 |
1 files changed, 663 insertions, 0 deletions
diff --git a/AppPkg/Applications/Python/Python-2.7.2/Modules/main.c b/AppPkg/Applications/Python/Python-2.7.2/Modules/main.c new file mode 100644 index 0000000000..3a14ce9f15 --- /dev/null +++ b/AppPkg/Applications/Python/Python-2.7.2/Modules/main.c @@ -0,0 +1,663 @@ +/* Python interpreter main program */
+
+#include "Python.h"
+#include "osdefs.h"
+#include "code.h" /* For CO_FUTURE_DIVISION */
+#include "import.h"
+
+#ifdef __VMS
+#include <unixlib.h>
+#endif
+
+#if defined(MS_WINDOWS) || defined(__CYGWIN__)
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+#endif
+
+#if (defined(PYOS_OS2) && !defined(PYCC_GCC)) || defined(MS_WINDOWS)
+#define PYTHONHOMEHELP "<prefix>\\lib"
+#else
+#if defined(PYOS_OS2) && defined(PYCC_GCC)
+#define PYTHONHOMEHELP "<prefix>/Lib"
+#else
+#define PYTHONHOMEHELP "<prefix>/pythonX.X"
+#endif
+#endif
+
+#include "pygetopt.h"
+
+#define COPYRIGHT \
+ "Type \"help\", \"copyright\", \"credits\" or \"license\" " \
+ "for more information."
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* For Py_GetArgcArgv(); set by main() */
+static char **orig_argv;
+static int orig_argc;
+
+/* command line options */
+#define BASE_OPTS "3bBc:dEhiJm:OQ:sStuUvVW:xX?"
+
+#ifndef RISCOS
+#define PROGRAM_OPTS BASE_OPTS
+#else /*RISCOS*/
+/* extra option saying that we are running under a special task window
+ frontend; especially my_readline will behave different */
+#define PROGRAM_OPTS BASE_OPTS "w"
+/* corresponding flag */
+extern int Py_RISCOSWimpFlag;
+#endif /*RISCOS*/
+
+/* Short usage message (with %s for argv0) */
+static char *usage_line =
+"usage: %s [option] ... [-c cmd | -m mod | file | -] [arg] ...\n";
+
+/* Long usage message, split into parts < 512 bytes */
+static char *usage_1 = "\
+Options and arguments (and corresponding environment variables):\n\
+-B : don't write .py[co] files on import; also PYTHONDONTWRITEBYTECODE=x\n\
+-c cmd : program passed in as string (terminates option list)\n\
+-d : debug output from parser; also PYTHONDEBUG=x\n\
+-E : ignore PYTHON* environment variables (such as PYTHONPATH)\n\
+-h : print this help message and exit (also --help)\n\
+-i : inspect interactively after running script; forces a prompt even\n\
+";
+static char *usage_2 = "\
+ if stdin does not appear to be a terminal; also PYTHONINSPECT=x\n\
+-m mod : run library module as a script (terminates option list)\n\
+-O : optimize generated bytecode slightly; also PYTHONOPTIMIZE=x\n\
+-OO : remove doc-strings in addition to the -O optimizations\n\
+-Q arg : division options: -Qold (default), -Qwarn, -Qwarnall, -Qnew\n\
+-s : don't add user site directory to sys.path; also PYTHONNOUSERSITE\n\
+-S : don't imply 'import site' on initialization\n\
+-t : issue warnings about inconsistent tab usage (-tt: issue errors)\n\
+";
+static char *usage_3 = "\
+-u : unbuffered binary stdout and stderr; also PYTHONUNBUFFERED=x\n\
+ see man page for details on internal buffering relating to '-u'\n\
+-v : verbose (trace import statements); also PYTHONVERBOSE=x\n\
+ can be supplied multiple times to increase verbosity\n\
+-V : print the Python version number and exit (also --version)\n\
+-W arg : warning control; arg is action:message:category:module:lineno\n\
+ also PYTHONWARNINGS=arg\n\
+-x : skip first line of source, allowing use of non-Unix forms of #!cmd\n\
+";
+static char *usage_4 = "\
+-3 : warn about Python 3.x incompatibilities that 2to3 cannot trivially fix\n\
+file : program read from script file\n\
+- : program read from stdin (default; interactive mode if a tty)\n\
+arg ...: arguments passed to program in sys.argv[1:]\n\n\
+Other environment variables:\n\
+PYTHONSTARTUP: file executed on interactive startup (no default)\n\
+PYTHONPATH : '%c'-separated list of directories prefixed to the\n\
+ default module search path. The result is sys.path.\n\
+";
+static char *usage_5 = "\
+PYTHONHOME : alternate <prefix> directory (or <prefix>%c<exec_prefix>).\n\
+ The default module search path uses %s.\n\
+PYTHONCASEOK : ignore case in 'import' statements (Windows).\n\
+PYTHONIOENCODING: Encoding[:errors] used for stdin/stdout/stderr.\n\
+";
+
+
+static int
+usage(int exitcode, char* program)
+{
+ FILE *f = exitcode ? stderr : stdout;
+
+ fprintf(f, usage_line, program);
+ if (exitcode)
+ fprintf(f, "Try `python -h' for more information.\n");
+ else {
+ fputs(usage_1, f);
+ fputs(usage_2, f);
+ fputs(usage_3, f);
+ fprintf(f, usage_4, DELIM);
+ fprintf(f, usage_5, DELIM, PYTHONHOMEHELP);
+ }
+#if defined(__VMS)
+ if (exitcode == 0) {
+ /* suppress 'error' message */
+ return 1;
+ }
+ else {
+ /* STS$M_INHIB_MSG + SS$_ABORT */
+ return 0x1000002c;
+ }
+#else
+ return exitcode;
+#endif
+ /*NOTREACHED*/
+}
+
+static void RunStartupFile(PyCompilerFlags *cf)
+{
+ char *startup = Py_GETENV("PYTHONSTARTUP");
+ if (startup != NULL && startup[0] != '\0') {
+ FILE *fp = fopen(startup, "r");
+ if (fp != NULL) {
+ (void) PyRun_SimpleFileExFlags(fp, startup, 0, cf);
+ PyErr_Clear();
+ fclose(fp);
+ } else {
+ int save_errno;
+ save_errno = errno;
+ PySys_WriteStderr("Could not open PYTHONSTARTUP\n");
+ errno = save_errno;
+ PyErr_SetFromErrnoWithFilename(PyExc_IOError,
+ startup);
+ PyErr_Print();
+ PyErr_Clear();
+ }
+ }
+}
+
+
+static int RunModule(char *module, int set_argv0)
+{
+ PyObject *runpy, *runmodule, *runargs, *result;
+ runpy = PyImport_ImportModule("runpy");
+ if (runpy == NULL) {
+ fprintf(stderr, "Could not import runpy module\n");
+ return -1;
+ }
+ runmodule = PyObject_GetAttrString(runpy, "_run_module_as_main");
+ if (runmodule == NULL) {
+ fprintf(stderr, "Could not access runpy._run_module_as_main\n");
+ Py_DECREF(runpy);
+ return -1;
+ }
+ runargs = Py_BuildValue("(si)", module, set_argv0);
+ if (runargs == NULL) {
+ fprintf(stderr,
+ "Could not create arguments for runpy._run_module_as_main\n");
+ Py_DECREF(runpy);
+ Py_DECREF(runmodule);
+ return -1;
+ }
+ result = PyObject_Call(runmodule, runargs, NULL);
+ if (result == NULL) {
+ PyErr_Print();
+ }
+ Py_DECREF(runpy);
+ Py_DECREF(runmodule);
+ Py_DECREF(runargs);
+ if (result == NULL) {
+ return -1;
+ }
+ Py_DECREF(result);
+ return 0;
+}
+
+static int RunMainFromImporter(char *filename)
+{
+ PyObject *argv0 = NULL, *importer = NULL;
+
+ if ((argv0 = PyString_FromString(filename)) &&
+ (importer = PyImport_GetImporter(argv0)) &&
+ (importer->ob_type != &PyNullImporter_Type))
+ {
+ /* argv0 is usable as an import source, so
+ put it in sys.path[0] and import __main__ */
+ PyObject *sys_path = NULL;
+ if ((sys_path = PySys_GetObject("path")) &&
+ !PyList_SetItem(sys_path, 0, argv0))
+ {
+ Py_INCREF(argv0);
+ Py_DECREF(importer);
+ sys_path = NULL;
+ return RunModule("__main__", 0) != 0;
+ }
+ }
+ Py_XDECREF(argv0);
+ Py_XDECREF(importer);
+ if (PyErr_Occurred()) {
+ PyErr_Print();
+ return 1;
+ }
+ return -1;
+}
+
+
+/* Main program */
+
+int
+Py_Main(int argc, char **argv)
+{
+ int c;
+ int sts;
+ char *command = NULL;
+ char *filename = NULL;
+ char *module = NULL;
+ FILE *fp = stdin;
+ char *p;
+ int unbuffered = 0;
+ int skipfirstline = 0;
+ int stdin_is_interactive = 0;
+ int help = 0;
+ int version = 0;
+ int saw_unbuffered_flag = 0;
+ PyCompilerFlags cf;
+
+ cf.cf_flags = 0;
+
+ orig_argc = argc; /* For Py_GetArgcArgv() */
+ orig_argv = argv;
+
+#ifdef RISCOS
+ Py_RISCOSWimpFlag = 0;
+#endif
+
+ PySys_ResetWarnOptions();
+
+ while ((c = _PyOS_GetOpt(argc, argv, PROGRAM_OPTS)) != EOF) {
+ if (c == 'c') {
+ /* -c is the last option; following arguments
+ that look like options are left for the
+ command to interpret. */
+ command = (char *)malloc(strlen(_PyOS_optarg) + 2);
+ if (command == NULL)
+ Py_FatalError(
+ "not enough memory to copy -c argument");
+ strcpy(command, _PyOS_optarg);
+ strcat(command, "\n");
+ break;
+ }
+
+ if (c == 'm') {
+ /* -m is the last option; following arguments
+ that look like options are left for the
+ module to interpret. */
+ module = (char *)malloc(strlen(_PyOS_optarg) + 2);
+ if (module == NULL)
+ Py_FatalError(
+ "not enough memory to copy -m argument");
+ strcpy(module, _PyOS_optarg);
+ break;
+ }
+
+ switch (c) {
+ case 'b':
+ Py_BytesWarningFlag++;
+ break;
+
+ case 'd':
+ Py_DebugFlag++;
+ break;
+
+ case '3':
+ Py_Py3kWarningFlag++;
+ if (!Py_DivisionWarningFlag)
+ Py_DivisionWarningFlag = 1;
+ break;
+
+ case 'Q':
+ if (strcmp(_PyOS_optarg, "old") == 0) {
+ Py_DivisionWarningFlag = 0;
+ break;
+ }
+ if (strcmp(_PyOS_optarg, "warn") == 0) {
+ Py_DivisionWarningFlag = 1;
+ break;
+ }
+ if (strcmp(_PyOS_optarg, "warnall") == 0) {
+ Py_DivisionWarningFlag = 2;
+ break;
+ }
+ if (strcmp(_PyOS_optarg, "new") == 0) {
+ /* This only affects __main__ */
+ cf.cf_flags |= CO_FUTURE_DIVISION;
+ /* And this tells the eval loop to treat
+ BINARY_DIVIDE as BINARY_TRUE_DIVIDE */
+ _Py_QnewFlag = 1;
+ break;
+ }
+ fprintf(stderr,
+ "-Q option should be `-Qold', "
+ "`-Qwarn', `-Qwarnall', or `-Qnew' only\n");
+ return usage(2, argv[0]);
+ /* NOTREACHED */
+
+ case 'i':
+ Py_InspectFlag++;
+ Py_InteractiveFlag++;
+ break;
+
+ /* case 'J': reserved for Jython */
+
+ case 'O':
+ Py_OptimizeFlag++;
+ break;
+
+ case 'B':
+ Py_DontWriteBytecodeFlag++;
+ break;
+
+ case 's':
+ Py_NoUserSiteDirectory++;
+ break;
+
+ case 'S':
+ Py_NoSiteFlag++;
+ break;
+
+ case 'E':
+ Py_IgnoreEnvironmentFlag++;
+ break;
+
+ case 't':
+ Py_TabcheckFlag++;
+ break;
+
+ case 'u':
+ unbuffered++;
+ saw_unbuffered_flag = 1;
+ break;
+
+ case 'v':
+ Py_VerboseFlag++;
+ break;
+
+#ifdef RISCOS
+ case 'w':
+ Py_RISCOSWimpFlag = 1;
+ break;
+#endif
+
+ case 'x':
+ skipfirstline = 1;
+ break;
+
+ /* case 'X': reserved for implementation-specific arguments */
+
+ case 'U':
+ Py_UnicodeFlag++;
+ break;
+ case 'h':
+ case '?':
+ help++;
+ break;
+ case 'V':
+ version++;
+ break;
+
+ case 'W':
+ PySys_AddWarnOption(_PyOS_optarg);
+ break;
+
+ /* This space reserved for other options */
+
+ default:
+ return usage(2, argv[0]);
+ /*NOTREACHED*/
+
+ }
+ }
+
+ if (help)
+ return usage(0, argv[0]);
+
+ if (version) {
+ fprintf(stderr, "Python %s\n", PY_VERSION);
+ return 0;
+ }
+
+ if (Py_Py3kWarningFlag && !Py_TabcheckFlag)
+ /* -3 implies -t (but not -tt) */
+ Py_TabcheckFlag = 1;
+
+ if (!Py_InspectFlag &&
+ (p = Py_GETENV("PYTHONINSPECT")) && *p != '\0')
+ Py_InspectFlag = 1;
+ if (!saw_unbuffered_flag &&
+ (p = Py_GETENV("PYTHONUNBUFFERED")) && *p != '\0')
+ unbuffered = 1;
+
+ if (!Py_NoUserSiteDirectory &&
+ (p = Py_GETENV("PYTHONNOUSERSITE")) && *p != '\0')
+ Py_NoUserSiteDirectory = 1;
+
+ if ((p = Py_GETENV("PYTHONWARNINGS")) && *p != '\0') {
+ char *buf, *warning;
+
+ buf = (char *)malloc(strlen(p) + 1);
+ if (buf == NULL)
+ Py_FatalError(
+ "not enough memory to copy PYTHONWARNINGS");
+ strcpy(buf, p);
+ for (warning = strtok(buf, ",");
+ warning != NULL;
+ warning = strtok(NULL, ","))
+ PySys_AddWarnOption(warning);
+ free(buf);
+ }
+
+ if (command == NULL && module == NULL && _PyOS_optind < argc &&
+ strcmp(argv[_PyOS_optind], "-") != 0)
+ {
+#ifdef __VMS
+ filename = decc$translate_vms(argv[_PyOS_optind]);
+ if (filename == (char *)0 || filename == (char *)-1)
+ filename = argv[_PyOS_optind];
+
+#else
+ filename = argv[_PyOS_optind];
+#endif
+ }
+
+ stdin_is_interactive = Py_FdIsInteractive(stdin, (char *)0);
+
+ if (unbuffered) {
+#if defined(MS_WINDOWS) || defined(__CYGWIN__)
+ _setmode(fileno(stdin), O_BINARY);
+ _setmode(fileno(stdout), O_BINARY);
+#endif
+#ifdef HAVE_SETVBUF
+ setvbuf(stdin, (char *)NULL, _IONBF, BUFSIZ);
+ setvbuf(stdout, (char *)NULL, _IONBF, BUFSIZ);
+ setvbuf(stderr, (char *)NULL, _IONBF, BUFSIZ);
+#else /* !HAVE_SETVBUF */
+ setbuf(stdin, (char *)NULL);
+ setbuf(stdout, (char *)NULL);
+ setbuf(stderr, (char *)NULL);
+#endif /* !HAVE_SETVBUF */
+ }
+ else if (Py_InteractiveFlag) {
+#ifdef MS_WINDOWS
+ /* Doesn't have to have line-buffered -- use unbuffered */
+ /* Any set[v]buf(stdin, ...) screws up Tkinter :-( */
+ setvbuf(stdout, (char *)NULL, _IONBF, BUFSIZ);
+#else /* !MS_WINDOWS */
+#ifdef HAVE_SETVBUF
+ setvbuf(stdin, (char *)NULL, _IOLBF, BUFSIZ);
+ setvbuf(stdout, (char *)NULL, _IOLBF, BUFSIZ);
+#endif /* HAVE_SETVBUF */
+#endif /* !MS_WINDOWS */
+ /* Leave stderr alone - it should be unbuffered anyway. */
+ }
+#ifdef __VMS
+ else {
+ setvbuf (stdout, (char *)NULL, _IOLBF, BUFSIZ);
+ }
+#endif /* __VMS */
+
+#ifdef __APPLE__
+ /* On MacOS X, when the Python interpreter is embedded in an
+ application bundle, it gets executed by a bootstrapping script
+ that does os.execve() with an argv[0] that's different from the
+ actual Python executable. This is needed to keep the Finder happy,
+ or rather, to work around Apple's overly strict requirements of
+ the process name. However, we still need a usable sys.executable,
+ so the actual executable path is passed in an environment variable.
+ See Lib/plat-mac/bundlebuiler.py for details about the bootstrap
+ script. */
+ if ((p = Py_GETENV("PYTHONEXECUTABLE")) && *p != '\0')
+ Py_SetProgramName(p);
+ else
+ Py_SetProgramName(argv[0]);
+#else
+ Py_SetProgramName(argv[0]);
+#endif
+ Py_Initialize();
+
+ if (Py_VerboseFlag ||
+ (command == NULL && filename == NULL && module == NULL && stdin_is_interactive)) {
+ fprintf(stderr, "Python %s on %s\n",
+ Py_GetVersion(), Py_GetPlatform());
+ if (!Py_NoSiteFlag)
+ fprintf(stderr, "%s\n", COPYRIGHT);
+ }
+
+ if (command != NULL) {
+ /* Backup _PyOS_optind and force sys.argv[0] = '-c' */
+ _PyOS_optind--;
+ argv[_PyOS_optind] = "-c";
+ }
+
+ if (module != NULL) {
+ /* Backup _PyOS_optind and force sys.argv[0] = '-c'
+ so that PySys_SetArgv correctly sets sys.path[0] to ''
+ rather than looking for a file called "-m". See
+ tracker issue #8202 for details. */
+ _PyOS_optind--;
+ argv[_PyOS_optind] = "-c";
+ }
+
+ PySys_SetArgv(argc-_PyOS_optind, argv+_PyOS_optind);
+
+ if ((Py_InspectFlag || (command == NULL && filename == NULL && module == NULL)) &&
+ isatty(fileno(stdin))) {
+ PyObject *v;
+ v = PyImport_ImportModule("readline");
+ if (v == NULL)
+ PyErr_Clear();
+ else
+ Py_DECREF(v);
+ }
+
+ if (command) {
+ sts = PyRun_SimpleStringFlags(command, &cf) != 0;
+ free(command);
+ } else if (module) {
+ sts = RunModule(module, 1);
+ free(module);
+ }
+ else {
+
+ if (filename == NULL && stdin_is_interactive) {
+ Py_InspectFlag = 0; /* do exit on SystemExit */
+ RunStartupFile(&cf);
+ }
+ /* XXX */
+
+ sts = -1; /* keep track of whether we've already run __main__ */
+
+ if (filename != NULL) {
+ sts = RunMainFromImporter(filename);
+ }
+
+ if (sts==-1 && filename!=NULL) {
+ if ((fp = fopen(filename, "r")) == NULL) {
+ fprintf(stderr, "%s: can't open file '%s': [Errno %d] %s\n",
+ argv[0], filename, errno, strerror(errno));
+
+ return 2;
+ }
+ else if (skipfirstline) {
+ int ch;
+ /* Push back first newline so line numbers
+ remain the same */
+ while ((ch = getc(fp)) != EOF) {
+ if (ch == '\n') {
+ (void)ungetc(ch, fp);
+ break;
+ }
+ }
+ }
+ {
+ /* XXX: does this work on Win/Win64? (see posix_fstat) */
+ struct stat sb;
+ if (fstat(fileno(fp), &sb) == 0 &&
+ S_ISDIR(sb.st_mode)) {
+ fprintf(stderr, "%s: '%s' is a directory, cannot continue\n", argv[0], filename);
+ fclose(fp);
+ return 1;
+ }
+ }
+ }
+
+ if (sts==-1) {
+ /* call pending calls like signal handlers (SIGINT) */
+ if (Py_MakePendingCalls() == -1) {
+ PyErr_Print();
+ sts = 1;
+ } else {
+ sts = PyRun_AnyFileExFlags(
+ fp,
+ filename == NULL ? "<stdin>" : filename,
+ filename != NULL, &cf) != 0;
+ }
+ }
+
+ }
+
+ /* Check this environment variable at the end, to give programs the
+ * opportunity to set it from Python.
+ */
+ if (!Py_InspectFlag &&
+ (p = Py_GETENV("PYTHONINSPECT")) && *p != '\0')
+ {
+ Py_InspectFlag = 1;
+ }
+
+ if (Py_InspectFlag && stdin_is_interactive &&
+ (filename != NULL || command != NULL || module != NULL)) {
+ Py_InspectFlag = 0;
+ /* XXX */
+ sts = PyRun_AnyFileFlags(stdin, "<stdin>", &cf) != 0;
+ }
+
+ Py_Finalize();
+#ifdef RISCOS
+ if (Py_RISCOSWimpFlag)
+ fprintf(stderr, "\x0cq\x0c"); /* make frontend quit */
+#endif
+
+#ifdef __INSURE__
+ /* Insure++ is a memory analysis tool that aids in discovering
+ * memory leaks and other memory problems. On Python exit, the
+ * interned string dictionary is flagged as being in use at exit
+ * (which it is). Under normal circumstances, this is fine because
+ * the memory will be automatically reclaimed by the system. Under
+ * memory debugging, it's a huge source of useless noise, so we
+ * trade off slower shutdown for less distraction in the memory
+ * reports. -baw
+ */
+ _Py_ReleaseInternedStrings();
+#endif /* __INSURE__ */
+
+ return sts;
+}
+
+/* this is gonna seem *real weird*, but if you put some other code between
+ Py_Main() and Py_GetArgcArgv() you will need to adjust the test in the
+ while statement in Misc/gdbinit:ppystack */
+
+/* Make the *original* argc/argv available to other modules.
+ This is rare, but it is needed by the secureware extension. */
+
+void
+Py_GetArgcArgv(int *argc, char ***argv)
+{
+ *argc = orig_argc;
+ *argv = orig_argv;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
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