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475 lines (414 loc) · 15.9 KB
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#ifndef Py_ERRORS_H
#define Py_ERRORS_H
#ifdef __cplusplus
extern "C" {
#endif
/* Error objects */
#ifndef Py_LIMITED_API
/* PyException_HEAD defines the initial segment of every exception class. */
#define PyException_HEAD PyObject_HEAD PyObject *dict;\
PyObject *args; PyObject *traceback;\
PyObject *context; PyObject *cause;\
char suppress_context;
typedef struct {
PyException_HEAD
} PyBaseExceptionObject;
typedef struct {
PyException_HEAD
PyObject *msg;
PyObject *filename;
PyObject *lineno;
PyObject *offset;
PyObject *text;
PyObject *print_file_and_line;
} PySyntaxErrorObject;
typedef struct {
PyException_HEAD
PyObject *msg;
PyObject *name;
PyObject *path;
} PyImportErrorObject;
typedef struct {
PyException_HEAD
PyObject *encoding;
PyObject *object;
Py_ssize_t start;
Py_ssize_t end;
PyObject *reason;
} PyUnicodeErrorObject;
typedef struct {
PyException_HEAD
PyObject *code;
} PySystemExitObject;
typedef struct {
PyException_HEAD
PyObject *myerrno;
PyObject *strerror;
PyObject *filename;
PyObject *filename2;
#ifdef MS_WINDOWS
PyObject *winerror;
#endif
Py_ssize_t written; /* only for BlockingIOError, -1 otherwise */
} PyOSErrorObject;
typedef struct {
PyException_HEAD
PyObject *value;
} PyStopIterationObject;
/* Compatibility typedefs */
typedef PyOSErrorObject PyEnvironmentErrorObject;
#ifdef MS_WINDOWS
typedef PyOSErrorObject PyWindowsErrorObject;
#endif
#endif /* !Py_LIMITED_API */
/* Error handling definitions */
PyAPI_FUNC(void) PyErr_SetNone(PyObject *);
PyAPI_FUNC(void) PyErr_SetObject(PyObject *, PyObject *);
#ifndef Py_LIMITED_API
PyAPI_FUNC(void) _PyErr_SetKeyError(PyObject *);
#endif
PyAPI_FUNC(void) PyErr_SetString(
PyObject *exception,
const char *string /* decoded from utf-8 */
);
PyAPI_FUNC(PyObject *) PyErr_Occurred(void);
PyAPI_FUNC(void) PyErr_Clear(void);
PyAPI_FUNC(void) PyErr_Fetch(PyObject **, PyObject **, PyObject **);
PyAPI_FUNC(void) PyErr_Restore(PyObject *, PyObject *, PyObject *);
PyAPI_FUNC(void) PyErr_GetExcInfo(PyObject **, PyObject **, PyObject **);
PyAPI_FUNC(void) PyErr_SetExcInfo(PyObject *, PyObject *, PyObject *);
#if defined(__clang__) || \
(defined(__GNUC_MAJOR__) && \
((__GNUC_MAJOR__ >= 3) || \
(__GNUC_MAJOR__ == 2) && (__GNUC_MINOR__ >= 5)))
#define _Py_NO_RETURN __attribute__((__noreturn__))
#else
#define _Py_NO_RETURN
#endif
/* Defined in Python/pylifecycle.c */
PyAPI_FUNC(void) Py_FatalError(const char *message) _Py_NO_RETURN;
#if defined(Py_DEBUG) || defined(Py_LIMITED_API)
#define _PyErr_OCCURRED() PyErr_Occurred()
#else
#define _PyErr_OCCURRED() (PyThreadState_GET()->curexc_type)
#endif
/* Error testing and normalization */
PyAPI_FUNC(int) PyErr_GivenExceptionMatches(PyObject *, PyObject *);
PyAPI_FUNC(int) PyErr_ExceptionMatches(PyObject *);
PyAPI_FUNC(void) PyErr_NormalizeException(PyObject**, PyObject**, PyObject**);
/* Traceback manipulation (PEP 3134) */
PyAPI_FUNC(int) PyException_SetTraceback(PyObject *, PyObject *);
PyAPI_FUNC(PyObject *) PyException_GetTraceback(PyObject *);
/* Cause manipulation (PEP 3134) */
PyAPI_FUNC(PyObject *) PyException_GetCause(PyObject *);
PyAPI_FUNC(void) PyException_SetCause(PyObject *, PyObject *);
/* Context manipulation (PEP 3134) */
PyAPI_FUNC(PyObject *) PyException_GetContext(PyObject *);
PyAPI_FUNC(void) PyException_SetContext(PyObject *, PyObject *);
#ifndef Py_LIMITED_API
PyAPI_FUNC(void) _PyErr_ChainExceptions(PyObject *, PyObject *, PyObject *);
#endif
/* */
#define PyExceptionClass_Check(x) \
(PyType_Check((x)) && \
PyType_FastSubclass((PyTypeObject*)(x), Py_TPFLAGS_BASE_EXC_SUBCLASS))
#define PyExceptionInstance_Check(x) \
PyType_FastSubclass((x)->ob_type, Py_TPFLAGS_BASE_EXC_SUBCLASS)
#define PyExceptionClass_Name(x) \
((char *)(((PyTypeObject*)(x))->tp_name))
#define PyExceptionInstance_Class(x) ((PyObject*)((x)->ob_type))
/* Predefined exceptions */
PyAPI_DATA(PyObject *) PyExc_BaseException;
PyAPI_DATA(PyObject *) PyExc_Exception;
PyAPI_DATA(PyObject *) PyExc_StopAsyncIteration;
PyAPI_DATA(PyObject *) PyExc_StopIteration;
PyAPI_DATA(PyObject *) PyExc_GeneratorExit;
PyAPI_DATA(PyObject *) PyExc_ArithmeticError;
PyAPI_DATA(PyObject *) PyExc_LookupError;
PyAPI_DATA(PyObject *) PyExc_AssertionError;
PyAPI_DATA(PyObject *) PyExc_AttributeError;
PyAPI_DATA(PyObject *) PyExc_BufferError;
PyAPI_DATA(PyObject *) PyExc_EOFError;
PyAPI_DATA(PyObject *) PyExc_FloatingPointError;
PyAPI_DATA(PyObject *) PyExc_OSError;
PyAPI_DATA(PyObject *) PyExc_ImportError;
PyAPI_DATA(PyObject *) PyExc_IndexError;
PyAPI_DATA(PyObject *) PyExc_KeyError;
PyAPI_DATA(PyObject *) PyExc_KeyboardInterrupt;
PyAPI_DATA(PyObject *) PyExc_MemoryError;
PyAPI_DATA(PyObject *) PyExc_NameError;
PyAPI_DATA(PyObject *) PyExc_OverflowError;
PyAPI_DATA(PyObject *) PyExc_RuntimeError;
PyAPI_DATA(PyObject *) PyExc_RecursionError;
PyAPI_DATA(PyObject *) PyExc_NotImplementedError;
PyAPI_DATA(PyObject *) PyExc_SyntaxError;
PyAPI_DATA(PyObject *) PyExc_IndentationError;
PyAPI_DATA(PyObject *) PyExc_TabError;
PyAPI_DATA(PyObject *) PyExc_ReferenceError;
PyAPI_DATA(PyObject *) PyExc_SystemError;
PyAPI_DATA(PyObject *) PyExc_SystemExit;
PyAPI_DATA(PyObject *) PyExc_TypeError;
PyAPI_DATA(PyObject *) PyExc_UnboundLocalError;
PyAPI_DATA(PyObject *) PyExc_UnicodeError;
PyAPI_DATA(PyObject *) PyExc_UnicodeEncodeError;
PyAPI_DATA(PyObject *) PyExc_UnicodeDecodeError;
PyAPI_DATA(PyObject *) PyExc_UnicodeTranslateError;
PyAPI_DATA(PyObject *) PyExc_ValueError;
PyAPI_DATA(PyObject *) PyExc_ZeroDivisionError;
PyAPI_DATA(PyObject *) PyExc_BlockingIOError;
PyAPI_DATA(PyObject *) PyExc_BrokenPipeError;
PyAPI_DATA(PyObject *) PyExc_ChildProcessError;
PyAPI_DATA(PyObject *) PyExc_ConnectionError;
PyAPI_DATA(PyObject *) PyExc_ConnectionAbortedError;
PyAPI_DATA(PyObject *) PyExc_ConnectionRefusedError;
PyAPI_DATA(PyObject *) PyExc_ConnectionResetError;
PyAPI_DATA(PyObject *) PyExc_FileExistsError;
PyAPI_DATA(PyObject *) PyExc_FileNotFoundError;
PyAPI_DATA(PyObject *) PyExc_InterruptedError;
PyAPI_DATA(PyObject *) PyExc_IsADirectoryError;
PyAPI_DATA(PyObject *) PyExc_NotADirectoryError;
PyAPI_DATA(PyObject *) PyExc_PermissionError;
PyAPI_DATA(PyObject *) PyExc_ProcessLookupError;
PyAPI_DATA(PyObject *) PyExc_TimeoutError;
/* Compatibility aliases */
PyAPI_DATA(PyObject *) PyExc_EnvironmentError;
PyAPI_DATA(PyObject *) PyExc_IOError;
#ifdef MS_WINDOWS
PyAPI_DATA(PyObject *) PyExc_WindowsError;
#endif
PyAPI_DATA(PyObject *) PyExc_RecursionErrorInst;
/* Predefined warning categories */
PyAPI_DATA(PyObject *) PyExc_Warning;
PyAPI_DATA(PyObject *) PyExc_UserWarning;
PyAPI_DATA(PyObject *) PyExc_DeprecationWarning;
PyAPI_DATA(PyObject *) PyExc_PendingDeprecationWarning;
PyAPI_DATA(PyObject *) PyExc_SyntaxWarning;
PyAPI_DATA(PyObject *) PyExc_RuntimeWarning;
PyAPI_DATA(PyObject *) PyExc_FutureWarning;
PyAPI_DATA(PyObject *) PyExc_ImportWarning;
PyAPI_DATA(PyObject *) PyExc_UnicodeWarning;
PyAPI_DATA(PyObject *) PyExc_BytesWarning;
PyAPI_DATA(PyObject *) PyExc_ResourceWarning;
/* Convenience functions */
PyAPI_FUNC(int) PyErr_BadArgument(void);
PyAPI_FUNC(PyObject *) PyErr_NoMemory(void);
PyAPI_FUNC(PyObject *) PyErr_SetFromErrno(PyObject *);
PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilenameObject(
PyObject *, PyObject *);
PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilenameObjects(
PyObject *, PyObject *, PyObject *);
PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilename(
PyObject *exc,
const char *filename /* decoded from the filesystem encoding */
);
#if defined(MS_WINDOWS) && !defined(Py_LIMITED_API)
PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithUnicodeFilename(
PyObject *, const Py_UNICODE *);
#endif /* MS_WINDOWS */
PyAPI_FUNC(PyObject *) PyErr_Format(
PyObject *exception,
const char *format, /* ASCII-encoded string */
...
);
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
PyAPI_FUNC(PyObject *) PyErr_FormatV(
PyObject *exception,
const char *format,
va_list vargs);
#endif
#ifdef MS_WINDOWS
PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithFilename(
int ierr,
const char *filename /* decoded from the filesystem encoding */
);
#ifndef Py_LIMITED_API
/* XXX redeclare to use WSTRING */
PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithUnicodeFilename(
int, const Py_UNICODE *);
#endif
PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErr(int);
PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilenameObject(
PyObject *,int, PyObject *);
PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilenameObjects(
PyObject *,int, PyObject *, PyObject *);
PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilename(
PyObject *exc,
int ierr,
const char *filename /* decoded from the filesystem encoding */
);
#ifndef Py_LIMITED_API
PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithUnicodeFilename(
PyObject *,int, const Py_UNICODE *);
#endif
PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErr(PyObject *, int);
#endif /* MS_WINDOWS */
PyAPI_FUNC(PyObject *) PyErr_SetExcWithArgsKwargs(PyObject *, PyObject *,
PyObject *);
PyAPI_FUNC(PyObject *) PyErr_SetImportError(PyObject *, PyObject *,
PyObject *);
/* Export the old function so that the existing API remains available: */
PyAPI_FUNC(void) PyErr_BadInternalCall(void);
PyAPI_FUNC(void) _PyErr_BadInternalCall(const char *filename, int lineno);
/* Mask the old API with a call to the new API for code compiled under
Python 2.0: */
#define PyErr_BadInternalCall() _PyErr_BadInternalCall(__FILE__, __LINE__)
/* Function to create a new exception */
PyAPI_FUNC(PyObject *) PyErr_NewException(
const char *name, PyObject *base, PyObject *dict);
PyAPI_FUNC(PyObject *) PyErr_NewExceptionWithDoc(
const char *name, const char *doc, PyObject *base, PyObject *dict);
PyAPI_FUNC(void) PyErr_WriteUnraisable(PyObject *);
/* In exceptions.c */
#ifndef Py_LIMITED_API
/* Helper that attempts to replace the current exception with one of the
* same type but with a prefix added to the exception text. The resulting
* exception description looks like:
*
* prefix (exc_type: original_exc_str)
*
* Only some exceptions can be safely replaced. If the function determines
* it isn't safe to perform the replacement, it will leave the original
* unmodified exception in place.
*
* Returns a borrowed reference to the new exception (if any), NULL if the
* existing exception was left in place.
*/
PyAPI_FUNC(PyObject *) _PyErr_TrySetFromCause(
const char *prefix_format, /* ASCII-encoded string */
...
);
#endif
/* In sigcheck.c or signalmodule.c */
PyAPI_FUNC(int) PyErr_CheckSignals(void);
PyAPI_FUNC(void) PyErr_SetInterrupt(void);
/* In signalmodule.c */
#ifndef Py_LIMITED_API
int PySignal_SetWakeupFd(int fd);
#endif
/* Support for adding program text to SyntaxErrors */
PyAPI_FUNC(void) PyErr_SyntaxLocation(
const char *filename, /* decoded from the filesystem encoding */
int lineno);
PyAPI_FUNC(void) PyErr_SyntaxLocationEx(
const char *filename, /* decoded from the filesystem encoding */
int lineno,
int col_offset);
#ifndef Py_LIMITED_API
PyAPI_FUNC(void) PyErr_SyntaxLocationObject(
PyObject *filename,
int lineno,
int col_offset);
#endif
PyAPI_FUNC(PyObject *) PyErr_ProgramText(
const char *filename, /* decoded from the filesystem encoding */
int lineno);
#ifndef Py_LIMITED_API
PyAPI_FUNC(PyObject *) PyErr_ProgramTextObject(
PyObject *filename,
int lineno);
#endif
/* The following functions are used to create and modify unicode
exceptions from C */
/* create a UnicodeDecodeError object */
PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_Create(
const char *encoding, /* UTF-8 encoded string */
const char *object,
Py_ssize_t length,
Py_ssize_t start,
Py_ssize_t end,
const char *reason /* UTF-8 encoded string */
);
/* create a UnicodeEncodeError object */
#ifndef Py_LIMITED_API
PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_Create(
const char *encoding, /* UTF-8 encoded string */
const Py_UNICODE *object,
Py_ssize_t length,
Py_ssize_t start,
Py_ssize_t end,
const char *reason /* UTF-8 encoded string */
);
#endif
/* create a UnicodeTranslateError object */
#ifndef Py_LIMITED_API
PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_Create(
const Py_UNICODE *object,
Py_ssize_t length,
Py_ssize_t start,
Py_ssize_t end,
const char *reason /* UTF-8 encoded string */
);
PyAPI_FUNC(PyObject *) _PyUnicodeTranslateError_Create(
PyObject *object,
Py_ssize_t start,
Py_ssize_t end,
const char *reason /* UTF-8 encoded string */
);
#endif
/* get the encoding attribute */
PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetEncoding(PyObject *);
PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetEncoding(PyObject *);
/* get the object attribute */
PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetObject(PyObject *);
PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetObject(PyObject *);
PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetObject(PyObject *);
/* get the value of the start attribute (the int * may not be NULL)
return 0 on success, -1 on failure */
PyAPI_FUNC(int) PyUnicodeEncodeError_GetStart(PyObject *, Py_ssize_t *);
PyAPI_FUNC(int) PyUnicodeDecodeError_GetStart(PyObject *, Py_ssize_t *);
PyAPI_FUNC(int) PyUnicodeTranslateError_GetStart(PyObject *, Py_ssize_t *);
/* assign a new value to the start attribute
return 0 on success, -1 on failure */
PyAPI_FUNC(int) PyUnicodeEncodeError_SetStart(PyObject *, Py_ssize_t);
PyAPI_FUNC(int) PyUnicodeDecodeError_SetStart(PyObject *, Py_ssize_t);
PyAPI_FUNC(int) PyUnicodeTranslateError_SetStart(PyObject *, Py_ssize_t);
/* get the value of the end attribute (the int *may not be NULL)
return 0 on success, -1 on failure */
PyAPI_FUNC(int) PyUnicodeEncodeError_GetEnd(PyObject *, Py_ssize_t *);
PyAPI_FUNC(int) PyUnicodeDecodeError_GetEnd(PyObject *, Py_ssize_t *);
PyAPI_FUNC(int) PyUnicodeTranslateError_GetEnd(PyObject *, Py_ssize_t *);
/* assign a new value to the end attribute
return 0 on success, -1 on failure */
PyAPI_FUNC(int) PyUnicodeEncodeError_SetEnd(PyObject *, Py_ssize_t);
PyAPI_FUNC(int) PyUnicodeDecodeError_SetEnd(PyObject *, Py_ssize_t);
PyAPI_FUNC(int) PyUnicodeTranslateError_SetEnd(PyObject *, Py_ssize_t);
/* get the value of the reason attribute */
PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetReason(PyObject *);
PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetReason(PyObject *);
PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetReason(PyObject *);
/* assign a new value to the reason attribute
return 0 on success, -1 on failure */
PyAPI_FUNC(int) PyUnicodeEncodeError_SetReason(
PyObject *exc,
const char *reason /* UTF-8 encoded string */
);
PyAPI_FUNC(int) PyUnicodeDecodeError_SetReason(
PyObject *exc,
const char *reason /* UTF-8 encoded string */
);
PyAPI_FUNC(int) PyUnicodeTranslateError_SetReason(
PyObject *exc,
const char *reason /* UTF-8 encoded string */
);
/* These APIs aren't really part of the error implementation, but
often needed to format error messages; the native C lib APIs are
not available on all platforms, which is why we provide emulations
for those platforms in Python/mysnprintf.c,
WARNING: The return value of snprintf varies across platforms; do
not rely on any particular behavior; eventually the C99 defn may
be reliable.
*/
#if defined(MS_WIN32) && !defined(HAVE_SNPRINTF)
# define HAVE_SNPRINTF
# define snprintf _snprintf
# define vsnprintf _vsnprintf
#endif
#include <stdarg.h>
PyAPI_FUNC(int) PyOS_snprintf(char *str, size_t size, const char *format, ...)
Py_GCC_ATTRIBUTE((format(printf, 3, 4)));
PyAPI_FUNC(int) PyOS_vsnprintf(char *str, size_t size, const char *format, va_list va)
Py_GCC_ATTRIBUTE((format(printf, 3, 0)));
#ifdef __cplusplus
}
#endif
#endif /* !Py_ERRORS_H */
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