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Guido van Rossuma3309961993-07-28 09:05:47 +00001#ifndef Py_ERRORS_H
2#define Py_ERRORS_H
3#ifdef __cplusplus
4extern "C" {
5#endif
6
Guido van Rossumf70e43a1991-02-19 12:39:46 +00007
Guido van Rossum85a5fbb1990-10-14 12:07:46 +00008/* Error handling definitions */
9
Mark Hammond91a681d2002-08-12 07:21:58 +000010PyAPI_FUNC(void) PyErr_SetNone(PyObject *);
11PyAPI_FUNC(void) PyErr_SetObject(PyObject *, PyObject *);
12PyAPI_FUNC(void) PyErr_SetString(PyObject *, const char *);
13PyAPI_FUNC(PyObject *) PyErr_Occurred(void);
14PyAPI_FUNC(void) PyErr_Clear(void);
15PyAPI_FUNC(void) PyErr_Fetch(PyObject **, PyObject **, PyObject **);
16PyAPI_FUNC(void) PyErr_Restore(PyObject *, PyObject *, PyObject *);
Guido van Rossum85a5fbb1990-10-14 12:07:46 +000017
Raymond Hettinger5ba0cbe2005-08-06 18:31:24 +000018#ifdef Py_DEBUG
19#define _PyErr_OCCURRED() PyErr_Occurred()
20#else
21#define _PyErr_OCCURRED() (_PyThreadState_Current->curexc_type)
22#endif
23
Barry Warsawc0dc92a1997-08-22 21:22:58 +000024/* Error testing and normalization */
Mark Hammond91a681d2002-08-12 07:21:58 +000025PyAPI_FUNC(int) PyErr_GivenExceptionMatches(PyObject *, PyObject *);
26PyAPI_FUNC(int) PyErr_ExceptionMatches(PyObject *);
27PyAPI_FUNC(void) PyErr_NormalizeException(PyObject**, PyObject**, PyObject**);
Barry Warsawc0dc92a1997-08-22 21:22:58 +000028
Brett Cannonbf364092006-03-01 04:25:17 +000029/* */
Barry Warsawc0dc92a1997-08-22 21:22:58 +000030
Guido van Rossum45aecf42006-03-15 04:58:47 +000031#define PyExceptionClass_Check(x) \
32 (PyType_Check((x)) && PyType_IsSubtype( \
33 (PyTypeObject*)(x), (PyTypeObject*)PyExc_BaseException))
Brett Cannonbf364092006-03-01 04:25:17 +000034
35
Guido van Rossum45aecf42006-03-15 04:58:47 +000036#define PyExceptionInstance_Check(x) \
37 (PyType_IsSubtype((x)->ob_type, (PyTypeObject*)PyExc_BaseException))
Brett Cannonbf364092006-03-01 04:25:17 +000038
Guido van Rossum45aecf42006-03-15 04:58:47 +000039#define PyExceptionClass_Name(x) \
40 ((char *)(((PyTypeObject*)(x))->tp_name))
Brett Cannonbf364092006-03-01 04:25:17 +000041
Guido van Rossum45aecf42006-03-15 04:58:47 +000042#define PyExceptionInstance_Class(x) ((PyObject*)((x)->ob_type))
Brett Cannonbf364092006-03-01 04:25:17 +000043
44
Guido van Rossum3f5da241990-12-20 15:06:42 +000045/* Predefined exceptions */
Guido van Rossum5c600e11990-10-14 20:00:25 +000046
Brett Cannonbf364092006-03-01 04:25:17 +000047PyAPI_DATA(PyObject *) PyExc_BaseException;
Mark Hammond91a681d2002-08-12 07:21:58 +000048PyAPI_DATA(PyObject *) PyExc_Exception;
49PyAPI_DATA(PyObject *) PyExc_StopIteration;
Phillip J. Eby0d6615f2005-08-02 00:46:46 +000050PyAPI_DATA(PyObject *) PyExc_GeneratorExit;
Mark Hammond91a681d2002-08-12 07:21:58 +000051PyAPI_DATA(PyObject *) PyExc_StandardError;
52PyAPI_DATA(PyObject *) PyExc_ArithmeticError;
53PyAPI_DATA(PyObject *) PyExc_LookupError;
Barry Warsaw392d8271997-08-29 21:56:07 +000054
Mark Hammond91a681d2002-08-12 07:21:58 +000055PyAPI_DATA(PyObject *) PyExc_AssertionError;
56PyAPI_DATA(PyObject *) PyExc_AttributeError;
57PyAPI_DATA(PyObject *) PyExc_EOFError;
58PyAPI_DATA(PyObject *) PyExc_FloatingPointError;
59PyAPI_DATA(PyObject *) PyExc_EnvironmentError;
60PyAPI_DATA(PyObject *) PyExc_IOError;
61PyAPI_DATA(PyObject *) PyExc_OSError;
62PyAPI_DATA(PyObject *) PyExc_ImportError;
63PyAPI_DATA(PyObject *) PyExc_IndexError;
64PyAPI_DATA(PyObject *) PyExc_KeyError;
65PyAPI_DATA(PyObject *) PyExc_KeyboardInterrupt;
66PyAPI_DATA(PyObject *) PyExc_MemoryError;
67PyAPI_DATA(PyObject *) PyExc_NameError;
68PyAPI_DATA(PyObject *) PyExc_OverflowError;
69PyAPI_DATA(PyObject *) PyExc_RuntimeError;
70PyAPI_DATA(PyObject *) PyExc_NotImplementedError;
71PyAPI_DATA(PyObject *) PyExc_SyntaxError;
72PyAPI_DATA(PyObject *) PyExc_IndentationError;
73PyAPI_DATA(PyObject *) PyExc_TabError;
74PyAPI_DATA(PyObject *) PyExc_ReferenceError;
75PyAPI_DATA(PyObject *) PyExc_SystemError;
76PyAPI_DATA(PyObject *) PyExc_SystemExit;
77PyAPI_DATA(PyObject *) PyExc_TypeError;
78PyAPI_DATA(PyObject *) PyExc_UnboundLocalError;
79PyAPI_DATA(PyObject *) PyExc_UnicodeError;
Walter Dörwald3aeb6322002-09-02 13:14:32 +000080PyAPI_DATA(PyObject *) PyExc_UnicodeEncodeError;
81PyAPI_DATA(PyObject *) PyExc_UnicodeDecodeError;
82PyAPI_DATA(PyObject *) PyExc_UnicodeTranslateError;
Mark Hammond91a681d2002-08-12 07:21:58 +000083PyAPI_DATA(PyObject *) PyExc_ValueError;
84PyAPI_DATA(PyObject *) PyExc_ZeroDivisionError;
Guido van Rossumdb0c9f72000-02-17 15:17:18 +000085#ifdef MS_WINDOWS
Mark Hammond91a681d2002-08-12 07:21:58 +000086PyAPI_DATA(PyObject *) PyExc_WindowsError;
Guido van Rossumdb0c9f72000-02-17 15:17:18 +000087#endif
Martin v. Löwis79acb9e2002-12-06 12:48:53 +000088#ifdef __VMS
Neal Norwitz21d896c2003-07-01 20:15:21 +000089PyAPI_DATA(PyObject *) PyExc_VMSError;
Martin v. Löwis79acb9e2002-12-06 12:48:53 +000090#endif
Guido van Rossum3e55cb61990-10-21 22:09:30 +000091
Mark Hammond91a681d2002-08-12 07:21:58 +000092PyAPI_DATA(PyObject *) PyExc_MemoryErrorInst;
Barry Warsaw392d8271997-08-29 21:56:07 +000093
Guido van Rossum3fc30372000-12-15 21:57:34 +000094/* Predefined warning categories */
Mark Hammond91a681d2002-08-12 07:21:58 +000095PyAPI_DATA(PyObject *) PyExc_Warning;
96PyAPI_DATA(PyObject *) PyExc_UserWarning;
97PyAPI_DATA(PyObject *) PyExc_DeprecationWarning;
98PyAPI_DATA(PyObject *) PyExc_PendingDeprecationWarning;
99PyAPI_DATA(PyObject *) PyExc_SyntaxWarning;
Tim Petersc8854432004-08-25 02:14:08 +0000100/* PyExc_OverflowWarning will go away for Python 2.5 */
Mark Hammond91a681d2002-08-12 07:21:58 +0000101PyAPI_DATA(PyObject *) PyExc_OverflowWarning;
102PyAPI_DATA(PyObject *) PyExc_RuntimeWarning;
Barry Warsaw9f007392002-08-14 15:51:29 +0000103PyAPI_DATA(PyObject *) PyExc_FutureWarning;
Guido van Rossum3fc30372000-12-15 21:57:34 +0000104
Barry Warsaw392d8271997-08-29 21:56:07 +0000105
Guido van Rossum5c600e11990-10-14 20:00:25 +0000106/* Convenience functions */
107
Mark Hammond91a681d2002-08-12 07:21:58 +0000108PyAPI_FUNC(int) PyErr_BadArgument(void);
109PyAPI_FUNC(PyObject *) PyErr_NoMemory(void);
110PyAPI_FUNC(PyObject *) PyErr_SetFromErrno(PyObject *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000111PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilenameObject(
112 PyObject *, PyObject *);
Mark Hammond91a681d2002-08-12 07:21:58 +0000113PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilename(PyObject *, char *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000114#ifdef Py_WIN_WIDE_FILENAMES
115PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithUnicodeFilename(
116 PyObject *, Py_UNICODE *);
117#endif /* Py_WIN_WIDE_FILENAMES */
118
Mark Hammond91a681d2002-08-12 07:21:58 +0000119PyAPI_FUNC(PyObject *) PyErr_Format(PyObject *, const char *, ...)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000120 Py_GCC_ATTRIBUTE((format(printf, 2, 3)));
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000121
Guido van Rossumdb0c9f72000-02-17 15:17:18 +0000122#ifdef MS_WINDOWS
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000123PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithFilenameObject(
124 int, const char *);
125PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithFilename(
126 int, const char *);
127#ifdef Py_WIN_WIDE_FILENAMES
128PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithUnicodeFilename(
129 int, const Py_UNICODE *);
130#endif /* Py_WIN_WIDE_FILENAMES */
Mark Hammond91a681d2002-08-12 07:21:58 +0000131PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErr(int);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000132PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilenameObject(
133 PyObject *,int, PyObject *);
Mark Hammond91a681d2002-08-12 07:21:58 +0000134PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilename(
Thomas Heller085358a2002-07-29 14:27:41 +0000135 PyObject *,int, const char *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000136#ifdef Py_WIN_WIDE_FILENAMES
137PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithUnicodeFilename(
138 PyObject *,int, const Py_UNICODE *);
139#endif /* Py_WIN_WIDE_FILENAMES */
Mark Hammond91a681d2002-08-12 07:21:58 +0000140PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErr(PyObject *, int);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000141#endif /* MS_WINDOWS */
Guido van Rossum3e55cb61990-10-21 22:09:30 +0000142
Fred Drake6d63adf2000-08-24 22:38:39 +0000143/* Export the old function so that the existing API remains available: */
Mark Hammond91a681d2002-08-12 07:21:58 +0000144PyAPI_FUNC(void) PyErr_BadInternalCall(void);
145PyAPI_FUNC(void) _PyErr_BadInternalCall(char *filename, int lineno);
Fred Drake6d63adf2000-08-24 22:38:39 +0000146/* Mask the old API with a call to the new API for code compiled under
147 Python 2.0: */
148#define PyErr_BadInternalCall() _PyErr_BadInternalCall(__FILE__, __LINE__)
Guido van Rossum25831651993-05-19 14:50:45 +0000149
Guido van Rossum2d2c3441997-09-16 21:50:37 +0000150/* Function to create a new exception */
Mark Hammond91a681d2002-08-12 07:21:58 +0000151PyAPI_FUNC(PyObject *) PyErr_NewException(char *name, PyObject *base,
Fred Draked5c84ed2000-07-08 17:25:55 +0000152 PyObject *dict);
Mark Hammond91a681d2002-08-12 07:21:58 +0000153PyAPI_FUNC(void) PyErr_WriteUnraisable(PyObject *);
Guido van Rossum2d2c3441997-09-16 21:50:37 +0000154
Guido van Rossum3fc30372000-12-15 21:57:34 +0000155/* Issue a warning or exception */
Mark Hammond91a681d2002-08-12 07:21:58 +0000156PyAPI_FUNC(int) PyErr_Warn(PyObject *, char *);
Martin v. Löwis95292d62002-12-11 14:04:59 +0000157PyAPI_FUNC(int) PyErr_WarnExplicit(PyObject *, const char *,
158 const char *, int,
159 const char *, PyObject *);
Guido van Rossum3fc30372000-12-15 21:57:34 +0000160
Barry Warsawf3f41a91997-01-03 00:15:03 +0000161/* In sigcheck.c or signalmodule.c */
Mark Hammond91a681d2002-08-12 07:21:58 +0000162PyAPI_FUNC(int) PyErr_CheckSignals(void);
163PyAPI_FUNC(void) PyErr_SetInterrupt(void);
Jeremy Hyltonad3d3f22001-02-28 17:47:12 +0000164
165/* Support for adding program text to SyntaxErrors */
Martin v. Löwis95292d62002-12-11 14:04:59 +0000166PyAPI_FUNC(void) PyErr_SyntaxLocation(const char *, int);
167PyAPI_FUNC(PyObject *) PyErr_ProgramText(const char *, int);
Tim Petersa437d452001-11-28 16:51:49 +0000168
Walter Dörwaldbf73db82002-11-21 20:08:33 +0000169#ifdef Py_USING_UNICODE
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000170/* The following functions are used to create and modify unicode
171 exceptions from C */
Walter Dörwaldbf73db82002-11-21 20:08:33 +0000172
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000173/* create a UnicodeDecodeError object */
174PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_Create(
Martin v. Löwis18e16552006-02-15 17:27:45 +0000175 const char *, const char *, Py_ssize_t, Py_ssize_t, Py_ssize_t, const char *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000176
177/* create a UnicodeEncodeError object */
178PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_Create(
Martin v. Löwis18e16552006-02-15 17:27:45 +0000179 const char *, const Py_UNICODE *, Py_ssize_t, Py_ssize_t, Py_ssize_t, const char *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000180
181/* create a UnicodeTranslateError object */
182PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_Create(
Martin v. Löwis18e16552006-02-15 17:27:45 +0000183 const Py_UNICODE *, Py_ssize_t, Py_ssize_t, Py_ssize_t, const char *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000184
185/* get the encoding attribute */
186PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetEncoding(PyObject *);
187PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetEncoding(PyObject *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000188
189/* get the object attribute */
190PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetObject(PyObject *);
191PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetObject(PyObject *);
192PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetObject(PyObject *);
193
194/* get the value of the start attribute (the int * may not be NULL)
195 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000196PyAPI_FUNC(int) PyUnicodeEncodeError_GetStart(PyObject *, Py_ssize_t *);
197PyAPI_FUNC(int) PyUnicodeDecodeError_GetStart(PyObject *, Py_ssize_t *);
198PyAPI_FUNC(int) PyUnicodeTranslateError_GetStart(PyObject *, Py_ssize_t *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000199
200/* assign a new value to the start attribute
201 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000202PyAPI_FUNC(int) PyUnicodeEncodeError_SetStart(PyObject *, Py_ssize_t);
203PyAPI_FUNC(int) PyUnicodeDecodeError_SetStart(PyObject *, Py_ssize_t);
204PyAPI_FUNC(int) PyUnicodeTranslateError_SetStart(PyObject *, Py_ssize_t);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000205
206/* get the value of the end attribute (the int *may not be NULL)
207 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000208PyAPI_FUNC(int) PyUnicodeEncodeError_GetEnd(PyObject *, Py_ssize_t *);
209PyAPI_FUNC(int) PyUnicodeDecodeError_GetEnd(PyObject *, Py_ssize_t *);
210PyAPI_FUNC(int) PyUnicodeTranslateError_GetEnd(PyObject *, Py_ssize_t *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000211
212/* assign a new value to the end attribute
213 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000214PyAPI_FUNC(int) PyUnicodeEncodeError_SetEnd(PyObject *, Py_ssize_t);
215PyAPI_FUNC(int) PyUnicodeDecodeError_SetEnd(PyObject *, Py_ssize_t);
216PyAPI_FUNC(int) PyUnicodeTranslateError_SetEnd(PyObject *, Py_ssize_t);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000217
218/* get the value of the reason attribute */
219PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetReason(PyObject *);
220PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetReason(PyObject *);
221PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetReason(PyObject *);
222
223/* assign a new value to the reason attribute
224 return 0 on success, -1 on failure */
225PyAPI_FUNC(int) PyUnicodeEncodeError_SetReason(
226 PyObject *, const char *);
227PyAPI_FUNC(int) PyUnicodeDecodeError_SetReason(
228 PyObject *, const char *);
229PyAPI_FUNC(int) PyUnicodeTranslateError_SetReason(
230 PyObject *, const char *);
Walter Dörwaldbf73db82002-11-21 20:08:33 +0000231#endif
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000232
233
Marc-André Lemburge5006eb2001-07-31 13:24:44 +0000234/* These APIs aren't really part of the error implementation, but
235 often needed to format error messages; the native C lib APIs are
236 not available on all platforms, which is why we provide emulations
Tim Petersa437d452001-11-28 16:51:49 +0000237 for those platforms in Python/mysnprintf.c,
238 WARNING: The return value of snprintf varies across platforms; do
239 not rely on any particular behavior; eventually the C99 defn may
240 be reliable.
241*/
Marc-André Lemburge5006eb2001-07-31 13:24:44 +0000242#if defined(MS_WIN32) && !defined(HAVE_SNPRINTF)
243# define HAVE_SNPRINTF
244# define snprintf _snprintf
245# define vsnprintf _vsnprintf
246#endif
Marc-André Lemburg03d1b182001-07-31 18:05:33 +0000247
Marc-André Lemburgcecd9e02001-07-31 14:23:52 +0000248#include <stdarg.h>
Mark Hammond91a681d2002-08-12 07:21:58 +0000249PyAPI_FUNC(int) PyOS_snprintf(char *str, size_t size, const char *format, ...)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000250 Py_GCC_ATTRIBUTE((format(printf, 3, 4)));
Mark Hammond91a681d2002-08-12 07:21:58 +0000251PyAPI_FUNC(int) PyOS_vsnprintf(char *str, size_t size, const char *format, va_list va)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000252 Py_GCC_ATTRIBUTE((format(printf, 3, 0)));
Guido van Rossumb6775db1994-08-01 11:34:53 +0000253
Guido van Rossuma3309961993-07-28 09:05:47 +0000254#ifdef __cplusplus
255}
256#endif
257#endif /* !Py_ERRORS_H */