cpython/Include/pyerrors.h at 3.7 · python/cpython · GitHub

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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 *);

_PyErr_StackItem *_PyErr_GetTopmostException(PyThreadState *tstate);

#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 *);

#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000

PyAPI_FUNC(void) PyErr_GetExcInfo(PyObject **, PyObject **, PyObject **);

PyAPI_FUNC(void) PyErr_SetExcInfo(PyObject *, PyObject *, PyObject *);

#endif

#if defined(__clang__) || \

(defined(__GNUC__) && \

((__GNUC__ >= 3) || \

(__GNUC__ == 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;

#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000

PyAPI_DATA(PyObject *) PyExc_StopAsyncIteration;

#endif

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;

#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03060000

PyAPI_DATA(PyObject *) PyExc_ModuleNotFoundError;

#endif

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;

#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000

PyAPI_DATA(PyObject *) PyExc_RecursionError;

#endif

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;

#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000

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;

#endif

/* Compatibility aliases */

PyAPI_DATA(PyObject *) PyExc_EnvironmentError;

PyAPI_DATA(PyObject *) PyExc_IOError;

#ifdef MS_WINDOWS

PyAPI_DATA(PyObject *) PyExc_WindowsError;

#endif

/* 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 *);

#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03040000

PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilenameObjects(

PyObject *, PyObject *, PyObject *);

#endif

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 *) Py_DEPRECATED(3.3);

#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

#ifndef Py_LIMITED_API

/* Like PyErr_Format(), but saves current exception as __context__ and

__cause__.

PyAPI_FUNC(PyObject *) _PyErr_FormatFromCause(

PyObject *exception,

const char *format, /* ASCII-encoded string */

...

);

#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 *) Py_DEPRECATED(3.3);

#endif

PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErr(int);

PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilenameObject(

PyObject *,int, PyObject *);

#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03040000

PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilenameObjects(

PyObject *,int, PyObject *, PyObject *);

#endif

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 *) Py_DEPRECATED(3.3);

#endif

PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErr(PyObject *, int);

#endif /* MS_WINDOWS */

#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03060000

PyAPI_FUNC(PyObject *) PyErr_SetImportErrorSubclass(PyObject *, PyObject *,

PyObject *, PyObject *);

#endif

#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000

PyAPI_FUNC(PyObject *) PyErr_SetImportError(PyObject *, PyObject *,

PyObject *);

#endif

/* 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 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 */

) Py_DEPRECATED(3.3);

#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 */

) Py_DEPRECATED(3.3);

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 */

cpython/Include/pyerrors.h at 3.7 · python/cpython · GitHub

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