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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;
Travis E. Oliphantb99f7622007-08-18 11:21:56 +0000141PyAPI_DATA(PyObject *) PyExc_BufferError;
Guido van Rossumdb0c9f72000-02-17 15:17:18 +0000142#ifdef MS_WINDOWS
Mark Hammond91a681d2002-08-12 07:21:58 +0000143PyAPI_DATA(PyObject *) PyExc_WindowsError;
Guido van Rossumdb0c9f72000-02-17 15:17:18 +0000144#endif
Martin v. Löwis79acb9e2002-12-06 12:48:53 +0000145#ifdef __VMS
Neal Norwitz21d896c2003-07-01 20:15:21 +0000146PyAPI_DATA(PyObject *) PyExc_VMSError;
Martin v. Löwis79acb9e2002-12-06 12:48:53 +0000147#endif
Guido van Rossum3e55cb61990-10-21 22:09:30 +0000148
Mark Hammond91a681d2002-08-12 07:21:58 +0000149PyAPI_DATA(PyObject *) PyExc_MemoryErrorInst;
Barry Warsaw392d8271997-08-29 21:56:07 +0000150
Guido van Rossum3fc30372000-12-15 21:57:34 +0000151/* Predefined warning categories */
Mark Hammond91a681d2002-08-12 07:21:58 +0000152PyAPI_DATA(PyObject *) PyExc_Warning;
153PyAPI_DATA(PyObject *) PyExc_UserWarning;
154PyAPI_DATA(PyObject *) PyExc_DeprecationWarning;
155PyAPI_DATA(PyObject *) PyExc_PendingDeprecationWarning;
156PyAPI_DATA(PyObject *) PyExc_SyntaxWarning;
Mark Hammond91a681d2002-08-12 07:21:58 +0000157PyAPI_DATA(PyObject *) PyExc_RuntimeWarning;
Barry Warsaw9f007392002-08-14 15:51:29 +0000158PyAPI_DATA(PyObject *) PyExc_FutureWarning;
Thomas Wouters477c8d52006-05-27 19:21:47 +0000159PyAPI_DATA(PyObject *) PyExc_ImportWarning;
Thomas Wouters00ee7ba2006-08-21 19:07:27 +0000160PyAPI_DATA(PyObject *) PyExc_UnicodeWarning;
Guido van Rossum3fc30372000-12-15 21:57:34 +0000161
Barry Warsaw392d8271997-08-29 21:56:07 +0000162
Guido van Rossum5c600e11990-10-14 20:00:25 +0000163/* Convenience functions */
164
Mark Hammond91a681d2002-08-12 07:21:58 +0000165PyAPI_FUNC(int) PyErr_BadArgument(void);
166PyAPI_FUNC(PyObject *) PyErr_NoMemory(void);
167PyAPI_FUNC(PyObject *) PyErr_SetFromErrno(PyObject *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000168PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilenameObject(
169 PyObject *, PyObject *);
Neal Norwitzb382b842007-08-24 20:00:37 +0000170PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilename(PyObject *, const char *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000171#ifdef Py_WIN_WIDE_FILENAMES
172PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithUnicodeFilename(
Neal Norwitzb382b842007-08-24 20:00:37 +0000173 PyObject *, const Py_UNICODE *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000174#endif /* Py_WIN_WIDE_FILENAMES */
175
Walter Dörwald573c08c2007-05-25 15:46:59 +0000176PyAPI_FUNC(PyObject *) PyErr_Format(PyObject *, const char *, ...);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000177
Guido van Rossumdb0c9f72000-02-17 15:17:18 +0000178#ifdef MS_WINDOWS
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000179PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithFilenameObject(
180 int, const char *);
181PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithFilename(
182 int, const char *);
183#ifdef Py_WIN_WIDE_FILENAMES
184PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithUnicodeFilename(
185 int, const Py_UNICODE *);
186#endif /* Py_WIN_WIDE_FILENAMES */
Mark Hammond91a681d2002-08-12 07:21:58 +0000187PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErr(int);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000188PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilenameObject(
189 PyObject *,int, PyObject *);
Mark Hammond91a681d2002-08-12 07:21:58 +0000190PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilename(
Thomas Heller085358a2002-07-29 14:27:41 +0000191 PyObject *,int, const char *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000192#ifdef Py_WIN_WIDE_FILENAMES
193PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithUnicodeFilename(
194 PyObject *,int, const Py_UNICODE *);
195#endif /* Py_WIN_WIDE_FILENAMES */
Mark Hammond91a681d2002-08-12 07:21:58 +0000196PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErr(PyObject *, int);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000197#endif /* MS_WINDOWS */
Guido van Rossum3e55cb61990-10-21 22:09:30 +0000198
Fred Drake6d63adf2000-08-24 22:38:39 +0000199/* Export the old function so that the existing API remains available: */
Mark Hammond91a681d2002-08-12 07:21:58 +0000200PyAPI_FUNC(void) PyErr_BadInternalCall(void);
Neal Norwitzb382b842007-08-24 20:00:37 +0000201PyAPI_FUNC(void) _PyErr_BadInternalCall(const char *filename, int lineno);
Fred Drake6d63adf2000-08-24 22:38:39 +0000202/* Mask the old API with a call to the new API for code compiled under
203 Python 2.0: */
204#define PyErr_BadInternalCall() _PyErr_BadInternalCall(__FILE__, __LINE__)
Guido van Rossum25831651993-05-19 14:50:45 +0000205
Guido van Rossum2d2c3441997-09-16 21:50:37 +0000206/* Function to create a new exception */
Neal Norwitzb382b842007-08-24 20:00:37 +0000207PyAPI_FUNC(PyObject *) PyErr_NewException(const char *name, PyObject *base,
Fred Draked5c84ed2000-07-08 17:25:55 +0000208 PyObject *dict);
Mark Hammond91a681d2002-08-12 07:21:58 +0000209PyAPI_FUNC(void) PyErr_WriteUnraisable(PyObject *);
Guido van Rossum2d2c3441997-09-16 21:50:37 +0000210
Guido van Rossum3fc30372000-12-15 21:57:34 +0000211/* Issue a warning or exception */
Thomas Wouters0e3f5912006-08-11 14:57:12 +0000212PyAPI_FUNC(int) PyErr_WarnEx(PyObject *category, const char *msg,
213 Py_ssize_t stack_level);
Martin v. Löwis95292d62002-12-11 14:04:59 +0000214PyAPI_FUNC(int) PyErr_WarnExplicit(PyObject *, const char *,
215 const char *, int,
216 const char *, PyObject *);
Guido van Rossum3fc30372000-12-15 21:57:34 +0000217
Barry Warsawf3f41a91997-01-03 00:15:03 +0000218/* In sigcheck.c or signalmodule.c */
Mark Hammond91a681d2002-08-12 07:21:58 +0000219PyAPI_FUNC(int) PyErr_CheckSignals(void);
220PyAPI_FUNC(void) PyErr_SetInterrupt(void);
Jeremy Hyltonad3d3f22001-02-28 17:47:12 +0000221
222/* Support for adding program text to SyntaxErrors */
Martin v. Löwis95292d62002-12-11 14:04:59 +0000223PyAPI_FUNC(void) PyErr_SyntaxLocation(const char *, int);
224PyAPI_FUNC(PyObject *) PyErr_ProgramText(const char *, int);
Tim Petersa437d452001-11-28 16:51:49 +0000225
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000226/* The following functions are used to create and modify unicode
227 exceptions from C */
Walter Dörwaldbf73db82002-11-21 20:08:33 +0000228
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000229/* create a UnicodeDecodeError object */
230PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_Create(
Martin v. Löwis18e16552006-02-15 17:27:45 +0000231 const char *, const char *, Py_ssize_t, Py_ssize_t, Py_ssize_t, const char *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000232
233/* create a UnicodeEncodeError object */
234PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_Create(
Martin v. Löwis18e16552006-02-15 17:27:45 +0000235 const char *, const Py_UNICODE *, Py_ssize_t, Py_ssize_t, Py_ssize_t, const char *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000236
237/* create a UnicodeTranslateError object */
238PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_Create(
Martin v. Löwis18e16552006-02-15 17:27:45 +0000239 const Py_UNICODE *, Py_ssize_t, Py_ssize_t, Py_ssize_t, const char *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000240
241/* get the encoding attribute */
242PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetEncoding(PyObject *);
243PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetEncoding(PyObject *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000244
245/* get the object attribute */
246PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetObject(PyObject *);
247PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetObject(PyObject *);
248PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetObject(PyObject *);
249
250/* get the value of the start attribute (the int * may not be NULL)
251 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000252PyAPI_FUNC(int) PyUnicodeEncodeError_GetStart(PyObject *, Py_ssize_t *);
253PyAPI_FUNC(int) PyUnicodeDecodeError_GetStart(PyObject *, Py_ssize_t *);
254PyAPI_FUNC(int) PyUnicodeTranslateError_GetStart(PyObject *, Py_ssize_t *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000255
256/* assign a new value to the start attribute
257 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000258PyAPI_FUNC(int) PyUnicodeEncodeError_SetStart(PyObject *, Py_ssize_t);
259PyAPI_FUNC(int) PyUnicodeDecodeError_SetStart(PyObject *, Py_ssize_t);
260PyAPI_FUNC(int) PyUnicodeTranslateError_SetStart(PyObject *, Py_ssize_t);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000261
262/* get the value of the end attribute (the int *may not be NULL)
263 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000264PyAPI_FUNC(int) PyUnicodeEncodeError_GetEnd(PyObject *, Py_ssize_t *);
265PyAPI_FUNC(int) PyUnicodeDecodeError_GetEnd(PyObject *, Py_ssize_t *);
266PyAPI_FUNC(int) PyUnicodeTranslateError_GetEnd(PyObject *, Py_ssize_t *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000267
268/* assign a new value to the end attribute
269 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000270PyAPI_FUNC(int) PyUnicodeEncodeError_SetEnd(PyObject *, Py_ssize_t);
271PyAPI_FUNC(int) PyUnicodeDecodeError_SetEnd(PyObject *, Py_ssize_t);
272PyAPI_FUNC(int) PyUnicodeTranslateError_SetEnd(PyObject *, Py_ssize_t);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000273
274/* get the value of the reason attribute */
275PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetReason(PyObject *);
276PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetReason(PyObject *);
277PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetReason(PyObject *);
278
279/* assign a new value to the reason attribute
280 return 0 on success, -1 on failure */
281PyAPI_FUNC(int) PyUnicodeEncodeError_SetReason(
282 PyObject *, const char *);
283PyAPI_FUNC(int) PyUnicodeDecodeError_SetReason(
284 PyObject *, const char *);
285PyAPI_FUNC(int) PyUnicodeTranslateError_SetReason(
286 PyObject *, const char *);
287
288
Marc-André Lemburge5006eb2001-07-31 13:24:44 +0000289/* These APIs aren't really part of the error implementation, but
290 often needed to format error messages; the native C lib APIs are
291 not available on all platforms, which is why we provide emulations
Tim Petersa437d452001-11-28 16:51:49 +0000292 for those platforms in Python/mysnprintf.c,
293 WARNING: The return value of snprintf varies across platforms; do
294 not rely on any particular behavior; eventually the C99 defn may
295 be reliable.
296*/
Marc-André Lemburge5006eb2001-07-31 13:24:44 +0000297#if defined(MS_WIN32) && !defined(HAVE_SNPRINTF)
298# define HAVE_SNPRINTF
299# define snprintf _snprintf
300# define vsnprintf _vsnprintf
301#endif
Marc-André Lemburg03d1b182001-07-31 18:05:33 +0000302
Marc-André Lemburgcecd9e02001-07-31 14:23:52 +0000303#include <stdarg.h>
Mark Hammond91a681d2002-08-12 07:21:58 +0000304PyAPI_FUNC(int) PyOS_snprintf(char *str, size_t size, const char *format, ...)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000305 Py_GCC_ATTRIBUTE((format(printf, 3, 4)));
Mark Hammond91a681d2002-08-12 07:21:58 +0000306PyAPI_FUNC(int) PyOS_vsnprintf(char *str, size_t size, const char *format, va_list va)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000307 Py_GCC_ATTRIBUTE((format(printf, 3, 0)));
Guido van Rossumb6775db1994-08-01 11:34:53 +0000308
Guido van Rossuma3309961993-07-28 09:05:47 +0000309#ifdef __cplusplus
310}
311#endif
312#endif /* !Py_ERRORS_H */