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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
Brett Cannonbf364092006-03-01 04:25:17 +000031#define PyExceptionClass_Check(x) \
32 (PyClass_Check((x)) \
33 || (PyType_Check((x)) && PyType_IsSubtype( \
34 (PyTypeObject*)(x), (PyTypeObject*)PyExc_BaseException)))
35
36
37#define PyExceptionInstance_Check(x) \
38 (PyInstance_Check((x)) || \
39 (PyType_IsSubtype((x)->ob_type, (PyTypeObject*)PyExc_BaseException)))
40
41#define PyExceptionClass_Name(x) \
42 (PyClass_Check((x)) \
43 ? PyString_AS_STRING(((PyClassObject*)(x))->cl_name) \
44 : (char *)(((PyTypeObject*)(x))->tp_name))
45
46#define PyExceptionInstance_Class(x) \
47 ((PyInstance_Check((x)) \
48 ? (PyObject*)((PyInstanceObject*)(x))->in_class \
49 : (PyObject*)((x)->ob_type)))
50
51
Guido van Rossum3f5da241990-12-20 15:06:42 +000052/* Predefined exceptions */
Guido van Rossum5c600e11990-10-14 20:00:25 +000053
Brett Cannonbf364092006-03-01 04:25:17 +000054PyAPI_DATA(PyObject *) PyExc_BaseException;
Mark Hammond91a681d2002-08-12 07:21:58 +000055PyAPI_DATA(PyObject *) PyExc_Exception;
56PyAPI_DATA(PyObject *) PyExc_StopIteration;
Phillip J. Eby0d6615f2005-08-02 00:46:46 +000057PyAPI_DATA(PyObject *) PyExc_GeneratorExit;
Mark Hammond91a681d2002-08-12 07:21:58 +000058PyAPI_DATA(PyObject *) PyExc_StandardError;
59PyAPI_DATA(PyObject *) PyExc_ArithmeticError;
60PyAPI_DATA(PyObject *) PyExc_LookupError;
Barry Warsaw392d8271997-08-29 21:56:07 +000061
Mark Hammond91a681d2002-08-12 07:21:58 +000062PyAPI_DATA(PyObject *) PyExc_AssertionError;
63PyAPI_DATA(PyObject *) PyExc_AttributeError;
64PyAPI_DATA(PyObject *) PyExc_EOFError;
65PyAPI_DATA(PyObject *) PyExc_FloatingPointError;
66PyAPI_DATA(PyObject *) PyExc_EnvironmentError;
67PyAPI_DATA(PyObject *) PyExc_IOError;
68PyAPI_DATA(PyObject *) PyExc_OSError;
69PyAPI_DATA(PyObject *) PyExc_ImportError;
70PyAPI_DATA(PyObject *) PyExc_IndexError;
71PyAPI_DATA(PyObject *) PyExc_KeyError;
72PyAPI_DATA(PyObject *) PyExc_KeyboardInterrupt;
73PyAPI_DATA(PyObject *) PyExc_MemoryError;
74PyAPI_DATA(PyObject *) PyExc_NameError;
75PyAPI_DATA(PyObject *) PyExc_OverflowError;
76PyAPI_DATA(PyObject *) PyExc_RuntimeError;
77PyAPI_DATA(PyObject *) PyExc_NotImplementedError;
78PyAPI_DATA(PyObject *) PyExc_SyntaxError;
79PyAPI_DATA(PyObject *) PyExc_IndentationError;
80PyAPI_DATA(PyObject *) PyExc_TabError;
81PyAPI_DATA(PyObject *) PyExc_ReferenceError;
82PyAPI_DATA(PyObject *) PyExc_SystemError;
83PyAPI_DATA(PyObject *) PyExc_SystemExit;
84PyAPI_DATA(PyObject *) PyExc_TypeError;
85PyAPI_DATA(PyObject *) PyExc_UnboundLocalError;
86PyAPI_DATA(PyObject *) PyExc_UnicodeError;
Walter Dörwald3aeb6322002-09-02 13:14:32 +000087PyAPI_DATA(PyObject *) PyExc_UnicodeEncodeError;
88PyAPI_DATA(PyObject *) PyExc_UnicodeDecodeError;
89PyAPI_DATA(PyObject *) PyExc_UnicodeTranslateError;
Mark Hammond91a681d2002-08-12 07:21:58 +000090PyAPI_DATA(PyObject *) PyExc_ValueError;
91PyAPI_DATA(PyObject *) PyExc_ZeroDivisionError;
Guido van Rossumdb0c9f72000-02-17 15:17:18 +000092#ifdef MS_WINDOWS
Mark Hammond91a681d2002-08-12 07:21:58 +000093PyAPI_DATA(PyObject *) PyExc_WindowsError;
Guido van Rossumdb0c9f72000-02-17 15:17:18 +000094#endif
Martin v. Löwis79acb9e2002-12-06 12:48:53 +000095#ifdef __VMS
Neal Norwitz21d896c2003-07-01 20:15:21 +000096PyAPI_DATA(PyObject *) PyExc_VMSError;
Martin v. Löwis79acb9e2002-12-06 12:48:53 +000097#endif
Guido van Rossum3e55cb61990-10-21 22:09:30 +000098
Mark Hammond91a681d2002-08-12 07:21:58 +000099PyAPI_DATA(PyObject *) PyExc_MemoryErrorInst;
Barry Warsaw392d8271997-08-29 21:56:07 +0000100
Guido van Rossum3fc30372000-12-15 21:57:34 +0000101/* Predefined warning categories */
Mark Hammond91a681d2002-08-12 07:21:58 +0000102PyAPI_DATA(PyObject *) PyExc_Warning;
103PyAPI_DATA(PyObject *) PyExc_UserWarning;
104PyAPI_DATA(PyObject *) PyExc_DeprecationWarning;
105PyAPI_DATA(PyObject *) PyExc_PendingDeprecationWarning;
106PyAPI_DATA(PyObject *) PyExc_SyntaxWarning;
Tim Petersc8854432004-08-25 02:14:08 +0000107/* PyExc_OverflowWarning will go away for Python 2.5 */
Mark Hammond91a681d2002-08-12 07:21:58 +0000108PyAPI_DATA(PyObject *) PyExc_OverflowWarning;
109PyAPI_DATA(PyObject *) PyExc_RuntimeWarning;
Barry Warsaw9f007392002-08-14 15:51:29 +0000110PyAPI_DATA(PyObject *) PyExc_FutureWarning;
Guido van Rossum3fc30372000-12-15 21:57:34 +0000111
Barry Warsaw392d8271997-08-29 21:56:07 +0000112
Guido van Rossum5c600e11990-10-14 20:00:25 +0000113/* Convenience functions */
114
Mark Hammond91a681d2002-08-12 07:21:58 +0000115PyAPI_FUNC(int) PyErr_BadArgument(void);
116PyAPI_FUNC(PyObject *) PyErr_NoMemory(void);
117PyAPI_FUNC(PyObject *) PyErr_SetFromErrno(PyObject *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000118PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilenameObject(
119 PyObject *, PyObject *);
Mark Hammond91a681d2002-08-12 07:21:58 +0000120PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilename(PyObject *, char *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000121#ifdef Py_WIN_WIDE_FILENAMES
122PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithUnicodeFilename(
123 PyObject *, Py_UNICODE *);
124#endif /* Py_WIN_WIDE_FILENAMES */
125
Mark Hammond91a681d2002-08-12 07:21:58 +0000126PyAPI_FUNC(PyObject *) PyErr_Format(PyObject *, const char *, ...)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000127 Py_GCC_ATTRIBUTE((format(printf, 2, 3)));
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000128
Guido van Rossumdb0c9f72000-02-17 15:17:18 +0000129#ifdef MS_WINDOWS
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000130PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithFilenameObject(
131 int, const char *);
132PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithFilename(
133 int, const char *);
134#ifdef Py_WIN_WIDE_FILENAMES
135PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithUnicodeFilename(
136 int, const Py_UNICODE *);
137#endif /* Py_WIN_WIDE_FILENAMES */
Mark Hammond91a681d2002-08-12 07:21:58 +0000138PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErr(int);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000139PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilenameObject(
140 PyObject *,int, PyObject *);
Mark Hammond91a681d2002-08-12 07:21:58 +0000141PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilename(
Thomas Heller085358a2002-07-29 14:27:41 +0000142 PyObject *,int, const char *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000143#ifdef Py_WIN_WIDE_FILENAMES
144PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithUnicodeFilename(
145 PyObject *,int, const Py_UNICODE *);
146#endif /* Py_WIN_WIDE_FILENAMES */
Mark Hammond91a681d2002-08-12 07:21:58 +0000147PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErr(PyObject *, int);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000148#endif /* MS_WINDOWS */
Guido van Rossum3e55cb61990-10-21 22:09:30 +0000149
Fred Drake6d63adf2000-08-24 22:38:39 +0000150/* Export the old function so that the existing API remains available: */
Mark Hammond91a681d2002-08-12 07:21:58 +0000151PyAPI_FUNC(void) PyErr_BadInternalCall(void);
152PyAPI_FUNC(void) _PyErr_BadInternalCall(char *filename, int lineno);
Fred Drake6d63adf2000-08-24 22:38:39 +0000153/* Mask the old API with a call to the new API for code compiled under
154 Python 2.0: */
155#define PyErr_BadInternalCall() _PyErr_BadInternalCall(__FILE__, __LINE__)
Guido van Rossum25831651993-05-19 14:50:45 +0000156
Guido van Rossum2d2c3441997-09-16 21:50:37 +0000157/* Function to create a new exception */
Mark Hammond91a681d2002-08-12 07:21:58 +0000158PyAPI_FUNC(PyObject *) PyErr_NewException(char *name, PyObject *base,
Fred Draked5c84ed2000-07-08 17:25:55 +0000159 PyObject *dict);
Mark Hammond91a681d2002-08-12 07:21:58 +0000160PyAPI_FUNC(void) PyErr_WriteUnraisable(PyObject *);
Guido van Rossum2d2c3441997-09-16 21:50:37 +0000161
Guido van Rossum3fc30372000-12-15 21:57:34 +0000162/* Issue a warning or exception */
Mark Hammond91a681d2002-08-12 07:21:58 +0000163PyAPI_FUNC(int) PyErr_Warn(PyObject *, char *);
Martin v. Löwis95292d62002-12-11 14:04:59 +0000164PyAPI_FUNC(int) PyErr_WarnExplicit(PyObject *, const char *,
165 const char *, int,
166 const char *, PyObject *);
Guido van Rossum3fc30372000-12-15 21:57:34 +0000167
Barry Warsawf3f41a91997-01-03 00:15:03 +0000168/* In sigcheck.c or signalmodule.c */
Mark Hammond91a681d2002-08-12 07:21:58 +0000169PyAPI_FUNC(int) PyErr_CheckSignals(void);
170PyAPI_FUNC(void) PyErr_SetInterrupt(void);
Jeremy Hyltonad3d3f22001-02-28 17:47:12 +0000171
172/* Support for adding program text to SyntaxErrors */
Martin v. Löwis95292d62002-12-11 14:04:59 +0000173PyAPI_FUNC(void) PyErr_SyntaxLocation(const char *, int);
174PyAPI_FUNC(PyObject *) PyErr_ProgramText(const char *, int);
Tim Petersa437d452001-11-28 16:51:49 +0000175
Walter Dörwaldbf73db82002-11-21 20:08:33 +0000176#ifdef Py_USING_UNICODE
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000177/* The following functions are used to create and modify unicode
178 exceptions from C */
Walter Dörwaldbf73db82002-11-21 20:08:33 +0000179
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000180/* create a UnicodeDecodeError object */
181PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_Create(
Martin v. Löwis18e16552006-02-15 17:27:45 +0000182 const char *, const char *, Py_ssize_t, Py_ssize_t, Py_ssize_t, const char *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000183
184/* create a UnicodeEncodeError object */
185PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_Create(
Martin v. Löwis18e16552006-02-15 17:27:45 +0000186 const char *, const Py_UNICODE *, Py_ssize_t, Py_ssize_t, Py_ssize_t, const char *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000187
188/* create a UnicodeTranslateError object */
189PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_Create(
Martin v. Löwis18e16552006-02-15 17:27:45 +0000190 const Py_UNICODE *, Py_ssize_t, Py_ssize_t, Py_ssize_t, const char *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000191
192/* get the encoding attribute */
193PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetEncoding(PyObject *);
194PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetEncoding(PyObject *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000195
196/* get the object attribute */
197PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetObject(PyObject *);
198PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetObject(PyObject *);
199PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetObject(PyObject *);
200
201/* get the value of the start attribute (the int * may not be NULL)
202 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000203PyAPI_FUNC(int) PyUnicodeEncodeError_GetStart(PyObject *, Py_ssize_t *);
204PyAPI_FUNC(int) PyUnicodeDecodeError_GetStart(PyObject *, Py_ssize_t *);
205PyAPI_FUNC(int) PyUnicodeTranslateError_GetStart(PyObject *, Py_ssize_t *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000206
207/* assign a new value to the start attribute
208 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000209PyAPI_FUNC(int) PyUnicodeEncodeError_SetStart(PyObject *, Py_ssize_t);
210PyAPI_FUNC(int) PyUnicodeDecodeError_SetStart(PyObject *, Py_ssize_t);
211PyAPI_FUNC(int) PyUnicodeTranslateError_SetStart(PyObject *, Py_ssize_t);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000212
213/* get the value of the end attribute (the int *may not be NULL)
214 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000215PyAPI_FUNC(int) PyUnicodeEncodeError_GetEnd(PyObject *, Py_ssize_t *);
216PyAPI_FUNC(int) PyUnicodeDecodeError_GetEnd(PyObject *, Py_ssize_t *);
217PyAPI_FUNC(int) PyUnicodeTranslateError_GetEnd(PyObject *, Py_ssize_t *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000218
219/* assign a new value to the end attribute
220 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000221PyAPI_FUNC(int) PyUnicodeEncodeError_SetEnd(PyObject *, Py_ssize_t);
222PyAPI_FUNC(int) PyUnicodeDecodeError_SetEnd(PyObject *, Py_ssize_t);
223PyAPI_FUNC(int) PyUnicodeTranslateError_SetEnd(PyObject *, Py_ssize_t);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000224
225/* get the value of the reason attribute */
226PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetReason(PyObject *);
227PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetReason(PyObject *);
228PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetReason(PyObject *);
229
230/* assign a new value to the reason attribute
231 return 0 on success, -1 on failure */
232PyAPI_FUNC(int) PyUnicodeEncodeError_SetReason(
233 PyObject *, const char *);
234PyAPI_FUNC(int) PyUnicodeDecodeError_SetReason(
235 PyObject *, const char *);
236PyAPI_FUNC(int) PyUnicodeTranslateError_SetReason(
237 PyObject *, const char *);
Walter Dörwaldbf73db82002-11-21 20:08:33 +0000238#endif
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000239
240
Marc-André Lemburge5006eb2001-07-31 13:24:44 +0000241/* These APIs aren't really part of the error implementation, but
242 often needed to format error messages; the native C lib APIs are
243 not available on all platforms, which is why we provide emulations
Tim Petersa437d452001-11-28 16:51:49 +0000244 for those platforms in Python/mysnprintf.c,
245 WARNING: The return value of snprintf varies across platforms; do
246 not rely on any particular behavior; eventually the C99 defn may
247 be reliable.
248*/
Marc-André Lemburge5006eb2001-07-31 13:24:44 +0000249#if defined(MS_WIN32) && !defined(HAVE_SNPRINTF)
250# define HAVE_SNPRINTF
251# define snprintf _snprintf
252# define vsnprintf _vsnprintf
253#endif
Marc-André Lemburg03d1b182001-07-31 18:05:33 +0000254
Marc-André Lemburgcecd9e02001-07-31 14:23:52 +0000255#include <stdarg.h>
Mark Hammond91a681d2002-08-12 07:21:58 +0000256PyAPI_FUNC(int) PyOS_snprintf(char *str, size_t size, const char *format, ...)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000257 Py_GCC_ATTRIBUTE((format(printf, 3, 4)));
Mark Hammond91a681d2002-08-12 07:21:58 +0000258PyAPI_FUNC(int) PyOS_vsnprintf(char *str, size_t size, const char *format, va_list va)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000259 Py_GCC_ATTRIBUTE((format(printf, 3, 0)));
Guido van Rossumb6775db1994-08-01 11:34:53 +0000260
Guido van Rossuma3309961993-07-28 09:05:47 +0000261#ifdef __cplusplus
262}
263#endif
264#endif /* !Py_ERRORS_H */