Staging
v0.5.1
https://github.com/python/cpython
Revision 512d2cc64328d06f4ff627497ab444e83e513348 authored by Raymond Hettinger on 25 January 2011, 21:32:39 UTC, committed by Raymond Hettinger on 25 January 2011, 21:32:39 UTC
(Reviewed by Georg Brandl.)

Also made similar changes to deque.reverse() though this wasn't
strictly necessary (the edge case cannot occur with two pointers
moving to meet in the middle).  Making the change in reverse()
was more a matter of future-proofing.
1 parent 5543e81
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Tip revision: 512d2cc64328d06f4ff627497ab444e83e513348 authored by Raymond Hettinger on 25 January 2011, 21:32:39 UTC
Issue #11004: Repair edge case in deque.count().
Tip revision: 512d2cc
pythonrun.h

/* Interfaces to parse and execute pieces of python code */

#ifndef Py_PYTHONRUN_H
#define Py_PYTHONRUN_H
#ifdef __cplusplus
extern "C" {
#endif

#define PyCF_MASK (CO_FUTURE_DIVISION | CO_FUTURE_ABSOLUTE_IMPORT | \
                   CO_FUTURE_WITH_STATEMENT | CO_FUTURE_PRINT_FUNCTION | \
                   CO_FUTURE_UNICODE_LITERALS | CO_FUTURE_BARRY_AS_BDFL)
#define PyCF_MASK_OBSOLETE (CO_NESTED)
#define PyCF_SOURCE_IS_UTF8  0x0100
#define PyCF_DONT_IMPLY_DEDENT 0x0200
#define PyCF_ONLY_AST 0x0400
#define PyCF_IGNORE_COOKIE 0x0800

#ifndef Py_LIMITED_API
typedef struct {
    int cf_flags;  /* bitmask of CO_xxx flags relevant to future */
} PyCompilerFlags;
#endif

PyAPI_FUNC(void) Py_SetProgramName(wchar_t *);
PyAPI_FUNC(wchar_t *) Py_GetProgramName(void);

PyAPI_FUNC(void) Py_SetPythonHome(wchar_t *);
PyAPI_FUNC(wchar_t *) Py_GetPythonHome(void);

PyAPI_FUNC(void) Py_Initialize(void);
PyAPI_FUNC(void) Py_InitializeEx(int);
PyAPI_FUNC(void) Py_Finalize(void);
PyAPI_FUNC(int) Py_IsInitialized(void);
PyAPI_FUNC(PyThreadState *) Py_NewInterpreter(void);
PyAPI_FUNC(void) Py_EndInterpreter(PyThreadState *);

#ifndef Py_LIMITED_API
PyAPI_FUNC(int) PyRun_SimpleStringFlags(const char *, PyCompilerFlags *);
PyAPI_FUNC(int) PyRun_AnyFileFlags(FILE *, const char *, PyCompilerFlags *);
PyAPI_FUNC(int) PyRun_AnyFileExFlags(
    FILE *fp,
    const char *filename,       /* decoded from the filesystem encoding */
    int closeit,
    PyCompilerFlags *flags);
PyAPI_FUNC(int) PyRun_SimpleFileExFlags(
    FILE *fp,
    const char *filename,       /* decoded from the filesystem encoding */
    int closeit,
    PyCompilerFlags *flags);
PyAPI_FUNC(int) PyRun_InteractiveOneFlags(
    FILE *fp,
    const char *filename,       /* decoded from the filesystem encoding */
    PyCompilerFlags *flags);
PyAPI_FUNC(int) PyRun_InteractiveLoopFlags(
    FILE *fp,
    const char *filename,       /* decoded from the filesystem encoding */
    PyCompilerFlags *flags);

PyAPI_FUNC(struct _mod *) PyParser_ASTFromString(
    const char *s,
    const char *filename,       /* decoded from the filesystem encoding */
    int start,
    PyCompilerFlags *flags,
    PyArena *arena);
PyAPI_FUNC(struct _mod *) PyParser_ASTFromFile(
    FILE *fp,
    const char *filename,       /* decoded from the filesystem encoding */
    const char* enc,
    int start,
    char *ps1,
    char *ps2,
    PyCompilerFlags *flags,
    int *errcode,
    PyArena *arena);
#endif

#ifndef PyParser_SimpleParseString
#define PyParser_SimpleParseString(S, B) \
    PyParser_SimpleParseStringFlags(S, B, 0)
#define PyParser_SimpleParseFile(FP, S, B) \
    PyParser_SimpleParseFileFlags(FP, S, B, 0)
#endif
PyAPI_FUNC(struct _node *) PyParser_SimpleParseStringFlags(const char *, int,
                                                          int);
PyAPI_FUNC(struct _node *) PyParser_SimpleParseFileFlags(FILE *, const char *,
                                                        int, int);

#ifndef Py_LIMITED_API
PyAPI_FUNC(PyObject *) PyRun_StringFlags(const char *, int, PyObject *,
                                         PyObject *, PyCompilerFlags *);

PyAPI_FUNC(PyObject *) PyRun_FileExFlags(
    FILE *fp,
    const char *filename,       /* decoded from the filesystem encoding */
    int start,
    PyObject *globals,
    PyObject *locals,
    int closeit,
    PyCompilerFlags *flags);
#endif

#ifdef Py_LIMITED_API
PyAPI_FUNC(PyObject *) Py_CompileString(const char *, const char *, int);
#else
#define Py_CompileString(str, p, s) Py_CompileStringExFlags(str, p, s, NULL, -1)
#define Py_CompileStringFlags(str, p, s, f) Py_CompileStringExFlags(str, p, s, f, -1)
PyAPI_FUNC(PyObject *) Py_CompileStringExFlags(
    const char *str,
    const char *filename,       /* decoded from the filesystem encoding */
    int start,
    PyCompilerFlags *flags,
    int optimize);
#endif
PyAPI_FUNC(struct symtable *) Py_SymtableString(
    const char *str,
    const char *filename,       /* decoded from the filesystem encoding */
    int start);

PyAPI_FUNC(void) PyErr_Print(void);
PyAPI_FUNC(void) PyErr_PrintEx(int);
PyAPI_FUNC(void) PyErr_Display(PyObject *, PyObject *, PyObject *);

/* Py_PyAtExit is for the atexit module, Py_AtExit is for low-level
 * exit functions.
 */
#ifndef Py_LIMITED_API
PyAPI_FUNC(void) _Py_PyAtExit(void (*func)(void));
#endif
PyAPI_FUNC(int) Py_AtExit(void (*func)(void));

PyAPI_FUNC(void) Py_Exit(int);

/* Restore signals that the interpreter has called SIG_IGN on to SIG_DFL. */
#ifndef Py_LIMITED_API
PyAPI_FUNC(void) _Py_RestoreSignals(void);

PyAPI_FUNC(int) Py_FdIsInteractive(FILE *, const char *);
#endif

/* Bootstrap */
PyAPI_FUNC(int) Py_Main(int argc, wchar_t **argv);

#ifndef Py_LIMITED_API
/* Use macros for a bunch of old variants */
#define PyRun_String(str, s, g, l) PyRun_StringFlags(str, s, g, l, NULL)
#define PyRun_AnyFile(fp, name) PyRun_AnyFileExFlags(fp, name, 0, NULL)
#define PyRun_AnyFileEx(fp, name, closeit) \
    PyRun_AnyFileExFlags(fp, name, closeit, NULL)
#define PyRun_AnyFileFlags(fp, name, flags) \
    PyRun_AnyFileExFlags(fp, name, 0, flags)
#define PyRun_SimpleString(s) PyRun_SimpleStringFlags(s, NULL)
#define PyRun_SimpleFile(f, p) PyRun_SimpleFileExFlags(f, p, 0, NULL)
#define PyRun_SimpleFileEx(f, p, c) PyRun_SimpleFileExFlags(f, p, c, NULL)
#define PyRun_InteractiveOne(f, p) PyRun_InteractiveOneFlags(f, p, NULL)
#define PyRun_InteractiveLoop(f, p) PyRun_InteractiveLoopFlags(f, p, NULL)
#define PyRun_File(fp, p, s, g, l) \
    PyRun_FileExFlags(fp, p, s, g, l, 0, NULL)
#define PyRun_FileEx(fp, p, s, g, l, c) \
    PyRun_FileExFlags(fp, p, s, g, l, c, NULL)
#define PyRun_FileFlags(fp, p, s, g, l, flags) \
    PyRun_FileExFlags(fp, p, s, g, l, 0, flags)
#endif

/* In getpath.c */
PyAPI_FUNC(wchar_t *) Py_GetProgramFullPath(void);
PyAPI_FUNC(wchar_t *) Py_GetPrefix(void);
PyAPI_FUNC(wchar_t *) Py_GetExecPrefix(void);
PyAPI_FUNC(wchar_t *) Py_GetPath(void);
PyAPI_FUNC(void)      Py_SetPath(const wchar_t *);
#ifdef MS_WINDOWS
int _Py_CheckPython3();
#endif

/* In their own files */
PyAPI_FUNC(const char *) Py_GetVersion(void);
PyAPI_FUNC(const char *) Py_GetPlatform(void);
PyAPI_FUNC(const char *) Py_GetCopyright(void);
PyAPI_FUNC(const char *) Py_GetCompiler(void);
PyAPI_FUNC(const char *) Py_GetBuildInfo(void);
#ifndef Py_LIMITED_API
PyAPI_FUNC(const char *) _Py_svnversion(void);
PyAPI_FUNC(const char *) Py_SubversionRevision(void);
PyAPI_FUNC(const char *) Py_SubversionShortBranch(void);
#endif

/* Internal -- various one-time initializations */
#ifndef Py_LIMITED_API
PyAPI_FUNC(PyObject *) _PyBuiltin_Init(void);
PyAPI_FUNC(PyObject *) _PySys_Init(void);
PyAPI_FUNC(void) _PyImport_Init(void);
PyAPI_FUNC(void) _PyExc_Init(void);
PyAPI_FUNC(void) _PyImportHooks_Init(void);
PyAPI_FUNC(int) _PyFrame_Init(void);
PyAPI_FUNC(void) _PyFloat_Init(void);
PyAPI_FUNC(int) PyByteArray_Init(void);
#endif

/* Various internal finalizers */
#ifndef Py_LIMITED_API
PyAPI_FUNC(void) _PyExc_Fini(void);
PyAPI_FUNC(void) _PyImport_Fini(void);
PyAPI_FUNC(void) PyMethod_Fini(void);
PyAPI_FUNC(void) PyFrame_Fini(void);
PyAPI_FUNC(void) PyCFunction_Fini(void);
PyAPI_FUNC(void) PyDict_Fini(void);
PyAPI_FUNC(void) PyTuple_Fini(void);
PyAPI_FUNC(void) PyList_Fini(void);
PyAPI_FUNC(void) PySet_Fini(void);
PyAPI_FUNC(void) PyBytes_Fini(void);
PyAPI_FUNC(void) PyByteArray_Fini(void);
PyAPI_FUNC(void) PyFloat_Fini(void);
PyAPI_FUNC(void) PyOS_FiniInterrupts(void);
PyAPI_FUNC(void) _PyGC_Fini(void);
#endif

/* Stuff with no proper home (yet) */
#ifndef Py_LIMITED_API
PyAPI_FUNC(char *) PyOS_Readline(FILE *, FILE *, char *);
#endif
PyAPI_DATA(int) (*PyOS_InputHook)(void);
PyAPI_DATA(char) *(*PyOS_ReadlineFunctionPointer)(FILE *, FILE *, char *);
#ifndef Py_LIMITED_API
PyAPI_DATA(PyThreadState*) _PyOS_ReadlineTState;
#endif

/* Stack size, in "pointers" (so we get extra safety margins
   on 64-bit platforms).  On a 32-bit platform, this translates
   to a 8k margin. */
#define PYOS_STACK_MARGIN 2048

#if defined(WIN32) && !defined(MS_WIN64) && defined(_MSC_VER) && _MSC_VER >= 1300
/* Enable stack checking under Microsoft C */
#define USE_STACKCHECK
#endif

#ifdef USE_STACKCHECK
/* Check that we aren't overflowing our stack */
PyAPI_FUNC(int) PyOS_CheckStack(void);
#endif

/* Signals */
typedef void (*PyOS_sighandler_t)(int);
PyAPI_FUNC(PyOS_sighandler_t) PyOS_getsig(int);
PyAPI_FUNC(PyOS_sighandler_t) PyOS_setsig(int, PyOS_sighandler_t);


#ifdef __cplusplus
}
#endif
#endif /* !Py_PYTHONRUN_H */
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