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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
Thomas Wouters477c8d52006-05-27 19:21:47 +00007/* Error objects */
8
9typedef struct {
10 PyObject_HEAD
11 PyObject *dict;
12 PyObject *args;
Thomas Wouters477c8d52006-05-27 19:21:47 +000013} PyBaseExceptionObject;
14
15typedef struct {
16 PyObject_HEAD
17 PyObject *dict;
18 PyObject *args;
Thomas Wouters477c8d52006-05-27 19:21:47 +000019 PyObject *msg;
20 PyObject *filename;
21 PyObject *lineno;
22 PyObject *offset;
23 PyObject *text;
24 PyObject *print_file_and_line;
25} PySyntaxErrorObject;
26
Thomas Wouters477c8d52006-05-27 19:21:47 +000027typedef struct {
28 PyObject_HEAD
29 PyObject *dict;
30 PyObject *args;
Thomas Wouters477c8d52006-05-27 19:21:47 +000031 PyObject *encoding;
32 PyObject *object;
Guido van Rossum7eaf8222007-06-18 17:58:50 +000033 Py_ssize_t start;
34 Py_ssize_t end;
Thomas Wouters477c8d52006-05-27 19:21:47 +000035 PyObject *reason;
36} PyUnicodeErrorObject;
Thomas Wouters477c8d52006-05-27 19:21:47 +000037
38typedef struct {
39 PyObject_HEAD
40 PyObject *dict;
41 PyObject *args;
Thomas Wouters477c8d52006-05-27 19:21:47 +000042 PyObject *code;
43} PySystemExitObject;
44
45typedef struct {
46 PyObject_HEAD
47 PyObject *dict;
48 PyObject *args;
Thomas Wouters477c8d52006-05-27 19:21:47 +000049 PyObject *myerrno;
50 PyObject *strerror;
51 PyObject *filename;
52} PyEnvironmentErrorObject;
53
54#ifdef MS_WINDOWS
55typedef struct {
56 PyObject_HEAD
57 PyObject *dict;
58 PyObject *args;
Thomas Wouters477c8d52006-05-27 19:21:47 +000059 PyObject *myerrno;
60 PyObject *strerror;
61 PyObject *filename;
62 PyObject *winerror;
63} PyWindowsErrorObject;
64#endif
Guido van Rossumf70e43a1991-02-19 12:39:46 +000065
Guido van Rossum85a5fbb1990-10-14 12:07:46 +000066/* Error handling definitions */
67
Mark Hammond91a681d2002-08-12 07:21:58 +000068PyAPI_FUNC(void) PyErr_SetNone(PyObject *);
69PyAPI_FUNC(void) PyErr_SetObject(PyObject *, PyObject *);
70PyAPI_FUNC(void) PyErr_SetString(PyObject *, const char *);
71PyAPI_FUNC(PyObject *) PyErr_Occurred(void);
72PyAPI_FUNC(void) PyErr_Clear(void);
73PyAPI_FUNC(void) PyErr_Fetch(PyObject **, PyObject **, PyObject **);
74PyAPI_FUNC(void) PyErr_Restore(PyObject *, PyObject *, PyObject *);
Guido van Rossum85a5fbb1990-10-14 12:07:46 +000075
Raymond Hettinger5ba0cbe2005-08-06 18:31:24 +000076#ifdef Py_DEBUG
77#define _PyErr_OCCURRED() PyErr_Occurred()
78#else
79#define _PyErr_OCCURRED() (_PyThreadState_Current->curexc_type)
80#endif
81
Barry Warsawc0dc92a1997-08-22 21:22:58 +000082/* Error testing and normalization */
Mark Hammond91a681d2002-08-12 07:21:58 +000083PyAPI_FUNC(int) PyErr_GivenExceptionMatches(PyObject *, PyObject *);
84PyAPI_FUNC(int) PyErr_ExceptionMatches(PyObject *);
85PyAPI_FUNC(void) PyErr_NormalizeException(PyObject**, PyObject**, PyObject**);
Barry Warsawc0dc92a1997-08-22 21:22:58 +000086
Brett Cannonbf364092006-03-01 04:25:17 +000087/* */
Barry Warsawc0dc92a1997-08-22 21:22:58 +000088
Thomas Wouters27d517b2007-02-25 20:39:11 +000089#define PyExceptionClass_Check(x) \
90 (PyType_Check((x)) && \
91 PyType_FastSubclass((PyTypeObject*)(x), Py_TPFLAGS_BASE_EXC_SUBCLASS))
Brett Cannonbf364092006-03-01 04:25:17 +000092
Thomas Wouters27d517b2007-02-25 20:39:11 +000093#define PyExceptionInstance_Check(x) \
94 PyType_FastSubclass((x)->ob_type, Py_TPFLAGS_BASE_EXC_SUBCLASS)
Brett Cannonbf364092006-03-01 04:25:17 +000095
Guido van Rossum45aecf42006-03-15 04:58:47 +000096#define PyExceptionClass_Name(x) \
97 ((char *)(((PyTypeObject*)(x))->tp_name))
Brett Cannonbf364092006-03-01 04:25:17 +000098
Guido van Rossum45aecf42006-03-15 04:58:47 +000099#define PyExceptionInstance_Class(x) ((PyObject*)((x)->ob_type))
Brett Cannonbf364092006-03-01 04:25:17 +0000100
101
Guido van Rossum3f5da241990-12-20 15:06:42 +0000102/* Predefined exceptions */
Guido van Rossum5c600e11990-10-14 20:00:25 +0000103
Brett Cannonbf364092006-03-01 04:25:17 +0000104PyAPI_DATA(PyObject *) PyExc_BaseException;
Mark Hammond91a681d2002-08-12 07:21:58 +0000105PyAPI_DATA(PyObject *) PyExc_Exception;
106PyAPI_DATA(PyObject *) PyExc_StopIteration;
Phillip J. Eby0d6615f2005-08-02 00:46:46 +0000107PyAPI_DATA(PyObject *) PyExc_GeneratorExit;
Mark Hammond91a681d2002-08-12 07:21:58 +0000108PyAPI_DATA(PyObject *) PyExc_ArithmeticError;
109PyAPI_DATA(PyObject *) PyExc_LookupError;
Barry Warsaw392d8271997-08-29 21:56:07 +0000110
Mark Hammond91a681d2002-08-12 07:21:58 +0000111PyAPI_DATA(PyObject *) PyExc_AssertionError;
112PyAPI_DATA(PyObject *) PyExc_AttributeError;
113PyAPI_DATA(PyObject *) PyExc_EOFError;
114PyAPI_DATA(PyObject *) PyExc_FloatingPointError;
115PyAPI_DATA(PyObject *) PyExc_EnvironmentError;
116PyAPI_DATA(PyObject *) PyExc_IOError;
117PyAPI_DATA(PyObject *) PyExc_OSError;
118PyAPI_DATA(PyObject *) PyExc_ImportError;
119PyAPI_DATA(PyObject *) PyExc_IndexError;
120PyAPI_DATA(PyObject *) PyExc_KeyError;
121PyAPI_DATA(PyObject *) PyExc_KeyboardInterrupt;
122PyAPI_DATA(PyObject *) PyExc_MemoryError;
123PyAPI_DATA(PyObject *) PyExc_NameError;
124PyAPI_DATA(PyObject *) PyExc_OverflowError;
125PyAPI_DATA(PyObject *) PyExc_RuntimeError;
126PyAPI_DATA(PyObject *) PyExc_NotImplementedError;
127PyAPI_DATA(PyObject *) PyExc_SyntaxError;
128PyAPI_DATA(PyObject *) PyExc_IndentationError;
129PyAPI_DATA(PyObject *) PyExc_TabError;
130PyAPI_DATA(PyObject *) PyExc_ReferenceError;
131PyAPI_DATA(PyObject *) PyExc_SystemError;
132PyAPI_DATA(PyObject *) PyExc_SystemExit;
133PyAPI_DATA(PyObject *) PyExc_TypeError;
134PyAPI_DATA(PyObject *) PyExc_UnboundLocalError;
135PyAPI_DATA(PyObject *) PyExc_UnicodeError;
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000136PyAPI_DATA(PyObject *) PyExc_UnicodeEncodeError;
137PyAPI_DATA(PyObject *) PyExc_UnicodeDecodeError;
138PyAPI_DATA(PyObject *) PyExc_UnicodeTranslateError;
Mark Hammond91a681d2002-08-12 07:21:58 +0000139PyAPI_DATA(PyObject *) PyExc_ValueError;
140PyAPI_DATA(PyObject *) PyExc_ZeroDivisionError;
Guido van Rossumdb0c9f72000-02-17 15:17:18 +0000141#ifdef MS_WINDOWS
Mark Hammond91a681d2002-08-12 07:21:58 +0000142PyAPI_DATA(PyObject *) PyExc_WindowsError;
Guido van Rossumdb0c9f72000-02-17 15:17:18 +0000143#endif
Martin v. Löwis79acb9e2002-12-06 12:48:53 +0000144#ifdef __VMS
Neal Norwitz21d896c2003-07-01 20:15:21 +0000145PyAPI_DATA(PyObject *) PyExc_VMSError;
Martin v. Löwis79acb9e2002-12-06 12:48:53 +0000146#endif
Guido van Rossum3e55cb61990-10-21 22:09:30 +0000147
Mark Hammond91a681d2002-08-12 07:21:58 +0000148PyAPI_DATA(PyObject *) PyExc_MemoryErrorInst;
Barry Warsaw392d8271997-08-29 21:56:07 +0000149
Guido van Rossum3fc30372000-12-15 21:57:34 +0000150/* Predefined warning categories */
Mark Hammond91a681d2002-08-12 07:21:58 +0000151PyAPI_DATA(PyObject *) PyExc_Warning;
152PyAPI_DATA(PyObject *) PyExc_UserWarning;
153PyAPI_DATA(PyObject *) PyExc_DeprecationWarning;
154PyAPI_DATA(PyObject *) PyExc_PendingDeprecationWarning;
155PyAPI_DATA(PyObject *) PyExc_SyntaxWarning;
Mark Hammond91a681d2002-08-12 07:21:58 +0000156PyAPI_DATA(PyObject *) PyExc_RuntimeWarning;
Barry Warsaw9f007392002-08-14 15:51:29 +0000157PyAPI_DATA(PyObject *) PyExc_FutureWarning;
Thomas Wouters477c8d52006-05-27 19:21:47 +0000158PyAPI_DATA(PyObject *) PyExc_ImportWarning;
Thomas Wouters00ee7ba2006-08-21 19:07:27 +0000159PyAPI_DATA(PyObject *) PyExc_UnicodeWarning;
Guido van Rossum3fc30372000-12-15 21:57:34 +0000160
Barry Warsaw392d8271997-08-29 21:56:07 +0000161
Guido van Rossum5c600e11990-10-14 20:00:25 +0000162/* Convenience functions */
163
Mark Hammond91a681d2002-08-12 07:21:58 +0000164PyAPI_FUNC(int) PyErr_BadArgument(void);
165PyAPI_FUNC(PyObject *) PyErr_NoMemory(void);
166PyAPI_FUNC(PyObject *) PyErr_SetFromErrno(PyObject *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000167PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilenameObject(
168 PyObject *, PyObject *);
Mark Hammond91a681d2002-08-12 07:21:58 +0000169PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilename(PyObject *, char *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000170#ifdef Py_WIN_WIDE_FILENAMES
171PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithUnicodeFilename(
172 PyObject *, Py_UNICODE *);
173#endif /* Py_WIN_WIDE_FILENAMES */
174
Walter Dörwald573c08c2007-05-25 15:46:59 +0000175PyAPI_FUNC(PyObject *) PyErr_Format(PyObject *, const char *, ...);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000176
Guido van Rossumdb0c9f72000-02-17 15:17:18 +0000177#ifdef MS_WINDOWS
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000178PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithFilenameObject(
179 int, const char *);
180PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithFilename(
181 int, const char *);
182#ifdef Py_WIN_WIDE_FILENAMES
183PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithUnicodeFilename(
184 int, const Py_UNICODE *);
185#endif /* Py_WIN_WIDE_FILENAMES */
Mark Hammond91a681d2002-08-12 07:21:58 +0000186PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErr(int);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000187PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilenameObject(
188 PyObject *,int, PyObject *);
Mark Hammond91a681d2002-08-12 07:21:58 +0000189PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilename(
Thomas Heller085358a2002-07-29 14:27:41 +0000190 PyObject *,int, const char *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000191#ifdef Py_WIN_WIDE_FILENAMES
192PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithUnicodeFilename(
193 PyObject *,int, const Py_UNICODE *);
194#endif /* Py_WIN_WIDE_FILENAMES */
Mark Hammond91a681d2002-08-12 07:21:58 +0000195PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErr(PyObject *, int);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000196#endif /* MS_WINDOWS */
Guido van Rossum3e55cb61990-10-21 22:09:30 +0000197
Fred Drake6d63adf2000-08-24 22:38:39 +0000198/* Export the old function so that the existing API remains available: */
Mark Hammond91a681d2002-08-12 07:21:58 +0000199PyAPI_FUNC(void) PyErr_BadInternalCall(void);
200PyAPI_FUNC(void) _PyErr_BadInternalCall(char *filename, int lineno);
Fred Drake6d63adf2000-08-24 22:38:39 +0000201/* Mask the old API with a call to the new API for code compiled under
202 Python 2.0: */
203#define PyErr_BadInternalCall() _PyErr_BadInternalCall(__FILE__, __LINE__)
Guido van Rossum25831651993-05-19 14:50:45 +0000204
Guido van Rossum2d2c3441997-09-16 21:50:37 +0000205/* Function to create a new exception */
Mark Hammond91a681d2002-08-12 07:21:58 +0000206PyAPI_FUNC(PyObject *) PyErr_NewException(char *name, PyObject *base,
Fred Draked5c84ed2000-07-08 17:25:55 +0000207 PyObject *dict);
Mark Hammond91a681d2002-08-12 07:21:58 +0000208PyAPI_FUNC(void) PyErr_WriteUnraisable(PyObject *);
Guido van Rossum2d2c3441997-09-16 21:50:37 +0000209
Guido van Rossum3fc30372000-12-15 21:57:34 +0000210/* Issue a warning or exception */
Thomas Wouters0e3f5912006-08-11 14:57:12 +0000211PyAPI_FUNC(int) PyErr_WarnEx(PyObject *category, const char *msg,
212 Py_ssize_t stack_level);
Martin v. Löwis95292d62002-12-11 14:04:59 +0000213PyAPI_FUNC(int) PyErr_WarnExplicit(PyObject *, const char *,
214 const char *, int,
215 const char *, PyObject *);
Thomas Wouters0e3f5912006-08-11 14:57:12 +0000216/* PyErr_Warn is only for backwards compatability and will be removed.
217 Use PyErr_WarnEx instead. */
218#define PyErr_Warn(category, msg) PyErr_WarnEx(category, msg, 1)
Guido van Rossum3fc30372000-12-15 21:57:34 +0000219
Barry Warsawf3f41a91997-01-03 00:15:03 +0000220/* In sigcheck.c or signalmodule.c */
Mark Hammond91a681d2002-08-12 07:21:58 +0000221PyAPI_FUNC(int) PyErr_CheckSignals(void);
222PyAPI_FUNC(void) PyErr_SetInterrupt(void);
Jeremy Hyltonad3d3f22001-02-28 17:47:12 +0000223
224/* Support for adding program text to SyntaxErrors */
Martin v. Löwis95292d62002-12-11 14:04:59 +0000225PyAPI_FUNC(void) PyErr_SyntaxLocation(const char *, int);
226PyAPI_FUNC(PyObject *) PyErr_ProgramText(const char *, int);
Tim Petersa437d452001-11-28 16:51:49 +0000227
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000228/* The following functions are used to create and modify unicode
229 exceptions from C */
Walter Dörwaldbf73db82002-11-21 20:08:33 +0000230
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000231/* create a UnicodeDecodeError object */
232PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_Create(
Martin v. Löwis18e16552006-02-15 17:27:45 +0000233 const char *, const char *, Py_ssize_t, Py_ssize_t, Py_ssize_t, const char *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000234
235/* create a UnicodeEncodeError object */
236PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_Create(
Martin v. Löwis18e16552006-02-15 17:27:45 +0000237 const char *, const Py_UNICODE *, Py_ssize_t, Py_ssize_t, Py_ssize_t, const char *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000238
239/* create a UnicodeTranslateError object */
240PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_Create(
Martin v. Löwis18e16552006-02-15 17:27:45 +0000241 const Py_UNICODE *, Py_ssize_t, Py_ssize_t, Py_ssize_t, const char *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000242
243/* get the encoding attribute */
244PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetEncoding(PyObject *);
245PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetEncoding(PyObject *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000246
247/* get the object attribute */
248PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetObject(PyObject *);
249PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetObject(PyObject *);
250PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetObject(PyObject *);
251
252/* get the value of the start attribute (the int * may not be NULL)
253 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000254PyAPI_FUNC(int) PyUnicodeEncodeError_GetStart(PyObject *, Py_ssize_t *);
255PyAPI_FUNC(int) PyUnicodeDecodeError_GetStart(PyObject *, Py_ssize_t *);
256PyAPI_FUNC(int) PyUnicodeTranslateError_GetStart(PyObject *, Py_ssize_t *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000257
258/* assign a new value to the start attribute
259 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000260PyAPI_FUNC(int) PyUnicodeEncodeError_SetStart(PyObject *, Py_ssize_t);
261PyAPI_FUNC(int) PyUnicodeDecodeError_SetStart(PyObject *, Py_ssize_t);
262PyAPI_FUNC(int) PyUnicodeTranslateError_SetStart(PyObject *, Py_ssize_t);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000263
264/* get the value of the end attribute (the int *may not be NULL)
265 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000266PyAPI_FUNC(int) PyUnicodeEncodeError_GetEnd(PyObject *, Py_ssize_t *);
267PyAPI_FUNC(int) PyUnicodeDecodeError_GetEnd(PyObject *, Py_ssize_t *);
268PyAPI_FUNC(int) PyUnicodeTranslateError_GetEnd(PyObject *, Py_ssize_t *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000269
270/* assign a new value to the end attribute
271 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000272PyAPI_FUNC(int) PyUnicodeEncodeError_SetEnd(PyObject *, Py_ssize_t);
273PyAPI_FUNC(int) PyUnicodeDecodeError_SetEnd(PyObject *, Py_ssize_t);
274PyAPI_FUNC(int) PyUnicodeTranslateError_SetEnd(PyObject *, Py_ssize_t);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000275
276/* get the value of the reason attribute */
277PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetReason(PyObject *);
278PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetReason(PyObject *);
279PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetReason(PyObject *);
280
281/* assign a new value to the reason attribute
282 return 0 on success, -1 on failure */
283PyAPI_FUNC(int) PyUnicodeEncodeError_SetReason(
284 PyObject *, const char *);
285PyAPI_FUNC(int) PyUnicodeDecodeError_SetReason(
286 PyObject *, const char *);
287PyAPI_FUNC(int) PyUnicodeTranslateError_SetReason(
288 PyObject *, const char *);
289
290
Marc-André Lemburge5006eb2001-07-31 13:24:44 +0000291/* These APIs aren't really part of the error implementation, but
292 often needed to format error messages; the native C lib APIs are
293 not available on all platforms, which is why we provide emulations
Tim Petersa437d452001-11-28 16:51:49 +0000294 for those platforms in Python/mysnprintf.c,
295 WARNING: The return value of snprintf varies across platforms; do
296 not rely on any particular behavior; eventually the C99 defn may
297 be reliable.
298*/
Marc-André Lemburge5006eb2001-07-31 13:24:44 +0000299#if defined(MS_WIN32) && !defined(HAVE_SNPRINTF)
300# define HAVE_SNPRINTF
301# define snprintf _snprintf
302# define vsnprintf _vsnprintf
303#endif
Marc-André Lemburg03d1b182001-07-31 18:05:33 +0000304
Marc-André Lemburgcecd9e02001-07-31 14:23:52 +0000305#include <stdarg.h>
Mark Hammond91a681d2002-08-12 07:21:58 +0000306PyAPI_FUNC(int) PyOS_snprintf(char *str, size_t size, const char *format, ...)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000307 Py_GCC_ATTRIBUTE((format(printf, 3, 4)));
Mark Hammond91a681d2002-08-12 07:21:58 +0000308PyAPI_FUNC(int) PyOS_vsnprintf(char *str, size_t size, const char *format, va_list va)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000309 Py_GCC_ATTRIBUTE((format(printf, 3, 0)));
Guido van Rossumb6775db1994-08-01 11:34:53 +0000310
Guido van Rossuma3309961993-07-28 09:05:47 +0000311#ifdef __cplusplus
312}
313#endif
314#endif /* !Py_ERRORS_H */