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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;
13 PyObject *message;
14} PyBaseExceptionObject;
15
16typedef struct {
17 PyObject_HEAD
18 PyObject *dict;
19 PyObject *args;
20 PyObject *message;
21 PyObject *msg;
22 PyObject *filename;
23 PyObject *lineno;
24 PyObject *offset;
25 PyObject *text;
26 PyObject *print_file_and_line;
27} PySyntaxErrorObject;
28
Thomas Wouters477c8d52006-05-27 19:21:47 +000029typedef struct {
30 PyObject_HEAD
31 PyObject *dict;
32 PyObject *args;
33 PyObject *message;
34 PyObject *encoding;
35 PyObject *object;
36 PyObject *start;
37 PyObject *end;
38 PyObject *reason;
39} PyUnicodeErrorObject;
Thomas Wouters477c8d52006-05-27 19:21:47 +000040
41typedef struct {
42 PyObject_HEAD
43 PyObject *dict;
44 PyObject *args;
45 PyObject *message;
46 PyObject *code;
47} PySystemExitObject;
48
49typedef struct {
50 PyObject_HEAD
51 PyObject *dict;
52 PyObject *args;
53 PyObject *message;
54 PyObject *myerrno;
55 PyObject *strerror;
56 PyObject *filename;
57} PyEnvironmentErrorObject;
58
59#ifdef MS_WINDOWS
60typedef struct {
61 PyObject_HEAD
62 PyObject *dict;
63 PyObject *args;
64 PyObject *message;
65 PyObject *myerrno;
66 PyObject *strerror;
67 PyObject *filename;
68 PyObject *winerror;
69} PyWindowsErrorObject;
70#endif
Guido van Rossumf70e43a1991-02-19 12:39:46 +000071
Guido van Rossum85a5fbb1990-10-14 12:07:46 +000072/* Error handling definitions */
73
Mark Hammond91a681d2002-08-12 07:21:58 +000074PyAPI_FUNC(void) PyErr_SetNone(PyObject *);
75PyAPI_FUNC(void) PyErr_SetObject(PyObject *, PyObject *);
76PyAPI_FUNC(void) PyErr_SetString(PyObject *, const char *);
77PyAPI_FUNC(PyObject *) PyErr_Occurred(void);
78PyAPI_FUNC(void) PyErr_Clear(void);
79PyAPI_FUNC(void) PyErr_Fetch(PyObject **, PyObject **, PyObject **);
80PyAPI_FUNC(void) PyErr_Restore(PyObject *, PyObject *, PyObject *);
Guido van Rossum85a5fbb1990-10-14 12:07:46 +000081
Raymond Hettinger5ba0cbe2005-08-06 18:31:24 +000082#ifdef Py_DEBUG
83#define _PyErr_OCCURRED() PyErr_Occurred()
84#else
85#define _PyErr_OCCURRED() (_PyThreadState_Current->curexc_type)
86#endif
87
Barry Warsawc0dc92a1997-08-22 21:22:58 +000088/* Error testing and normalization */
Mark Hammond91a681d2002-08-12 07:21:58 +000089PyAPI_FUNC(int) PyErr_GivenExceptionMatches(PyObject *, PyObject *);
90PyAPI_FUNC(int) PyErr_ExceptionMatches(PyObject *);
91PyAPI_FUNC(void) PyErr_NormalizeException(PyObject**, PyObject**, PyObject**);
Barry Warsawc0dc92a1997-08-22 21:22:58 +000092
Brett Cannonbf364092006-03-01 04:25:17 +000093/* */
Barry Warsawc0dc92a1997-08-22 21:22:58 +000094
Thomas Wouters27d517b2007-02-25 20:39:11 +000095#define PyExceptionClass_Check(x) \
96 (PyType_Check((x)) && \
97 PyType_FastSubclass((PyTypeObject*)(x), Py_TPFLAGS_BASE_EXC_SUBCLASS))
Brett Cannonbf364092006-03-01 04:25:17 +000098
Thomas Wouters27d517b2007-02-25 20:39:11 +000099#define PyExceptionInstance_Check(x) \
100 PyType_FastSubclass((x)->ob_type, Py_TPFLAGS_BASE_EXC_SUBCLASS)
Brett Cannonbf364092006-03-01 04:25:17 +0000101
Guido van Rossum45aecf42006-03-15 04:58:47 +0000102#define PyExceptionClass_Name(x) \
103 ((char *)(((PyTypeObject*)(x))->tp_name))
Brett Cannonbf364092006-03-01 04:25:17 +0000104
Guido van Rossum45aecf42006-03-15 04:58:47 +0000105#define PyExceptionInstance_Class(x) ((PyObject*)((x)->ob_type))
Brett Cannonbf364092006-03-01 04:25:17 +0000106
107
Guido van Rossum3f5da241990-12-20 15:06:42 +0000108/* Predefined exceptions */
Guido van Rossum5c600e11990-10-14 20:00:25 +0000109
Brett Cannonbf364092006-03-01 04:25:17 +0000110PyAPI_DATA(PyObject *) PyExc_BaseException;
Mark Hammond91a681d2002-08-12 07:21:58 +0000111PyAPI_DATA(PyObject *) PyExc_Exception;
112PyAPI_DATA(PyObject *) PyExc_StopIteration;
Phillip J. Eby0d6615f2005-08-02 00:46:46 +0000113PyAPI_DATA(PyObject *) PyExc_GeneratorExit;
Mark Hammond91a681d2002-08-12 07:21:58 +0000114PyAPI_DATA(PyObject *) PyExc_StandardError;
115PyAPI_DATA(PyObject *) PyExc_ArithmeticError;
116PyAPI_DATA(PyObject *) PyExc_LookupError;
Barry Warsaw392d8271997-08-29 21:56:07 +0000117
Mark Hammond91a681d2002-08-12 07:21:58 +0000118PyAPI_DATA(PyObject *) PyExc_AssertionError;
119PyAPI_DATA(PyObject *) PyExc_AttributeError;
120PyAPI_DATA(PyObject *) PyExc_EOFError;
121PyAPI_DATA(PyObject *) PyExc_FloatingPointError;
122PyAPI_DATA(PyObject *) PyExc_EnvironmentError;
123PyAPI_DATA(PyObject *) PyExc_IOError;
124PyAPI_DATA(PyObject *) PyExc_OSError;
125PyAPI_DATA(PyObject *) PyExc_ImportError;
126PyAPI_DATA(PyObject *) PyExc_IndexError;
127PyAPI_DATA(PyObject *) PyExc_KeyError;
128PyAPI_DATA(PyObject *) PyExc_KeyboardInterrupt;
129PyAPI_DATA(PyObject *) PyExc_MemoryError;
130PyAPI_DATA(PyObject *) PyExc_NameError;
131PyAPI_DATA(PyObject *) PyExc_OverflowError;
132PyAPI_DATA(PyObject *) PyExc_RuntimeError;
133PyAPI_DATA(PyObject *) PyExc_NotImplementedError;
134PyAPI_DATA(PyObject *) PyExc_SyntaxError;
135PyAPI_DATA(PyObject *) PyExc_IndentationError;
136PyAPI_DATA(PyObject *) PyExc_TabError;
137PyAPI_DATA(PyObject *) PyExc_ReferenceError;
138PyAPI_DATA(PyObject *) PyExc_SystemError;
139PyAPI_DATA(PyObject *) PyExc_SystemExit;
140PyAPI_DATA(PyObject *) PyExc_TypeError;
141PyAPI_DATA(PyObject *) PyExc_UnboundLocalError;
142PyAPI_DATA(PyObject *) PyExc_UnicodeError;
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000143PyAPI_DATA(PyObject *) PyExc_UnicodeEncodeError;
144PyAPI_DATA(PyObject *) PyExc_UnicodeDecodeError;
145PyAPI_DATA(PyObject *) PyExc_UnicodeTranslateError;
Mark Hammond91a681d2002-08-12 07:21:58 +0000146PyAPI_DATA(PyObject *) PyExc_ValueError;
147PyAPI_DATA(PyObject *) PyExc_ZeroDivisionError;
Guido van Rossumdb0c9f72000-02-17 15:17:18 +0000148#ifdef MS_WINDOWS
Mark Hammond91a681d2002-08-12 07:21:58 +0000149PyAPI_DATA(PyObject *) PyExc_WindowsError;
Guido van Rossumdb0c9f72000-02-17 15:17:18 +0000150#endif
Martin v. Löwis79acb9e2002-12-06 12:48:53 +0000151#ifdef __VMS
Neal Norwitz21d896c2003-07-01 20:15:21 +0000152PyAPI_DATA(PyObject *) PyExc_VMSError;
Martin v. Löwis79acb9e2002-12-06 12:48:53 +0000153#endif
Guido van Rossum3e55cb61990-10-21 22:09:30 +0000154
Mark Hammond91a681d2002-08-12 07:21:58 +0000155PyAPI_DATA(PyObject *) PyExc_MemoryErrorInst;
Barry Warsaw392d8271997-08-29 21:56:07 +0000156
Guido van Rossum3fc30372000-12-15 21:57:34 +0000157/* Predefined warning categories */
Mark Hammond91a681d2002-08-12 07:21:58 +0000158PyAPI_DATA(PyObject *) PyExc_Warning;
159PyAPI_DATA(PyObject *) PyExc_UserWarning;
160PyAPI_DATA(PyObject *) PyExc_DeprecationWarning;
161PyAPI_DATA(PyObject *) PyExc_PendingDeprecationWarning;
162PyAPI_DATA(PyObject *) PyExc_SyntaxWarning;
Mark Hammond91a681d2002-08-12 07:21:58 +0000163PyAPI_DATA(PyObject *) PyExc_RuntimeWarning;
Barry Warsaw9f007392002-08-14 15:51:29 +0000164PyAPI_DATA(PyObject *) PyExc_FutureWarning;
Thomas Wouters477c8d52006-05-27 19:21:47 +0000165PyAPI_DATA(PyObject *) PyExc_ImportWarning;
Thomas Wouters00ee7ba2006-08-21 19:07:27 +0000166PyAPI_DATA(PyObject *) PyExc_UnicodeWarning;
Guido van Rossum3fc30372000-12-15 21:57:34 +0000167
Barry Warsaw392d8271997-08-29 21:56:07 +0000168
Guido van Rossum5c600e11990-10-14 20:00:25 +0000169/* Convenience functions */
170
Mark Hammond91a681d2002-08-12 07:21:58 +0000171PyAPI_FUNC(int) PyErr_BadArgument(void);
172PyAPI_FUNC(PyObject *) PyErr_NoMemory(void);
173PyAPI_FUNC(PyObject *) PyErr_SetFromErrno(PyObject *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000174PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilenameObject(
175 PyObject *, PyObject *);
Mark Hammond91a681d2002-08-12 07:21:58 +0000176PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilename(PyObject *, char *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000177#ifdef Py_WIN_WIDE_FILENAMES
178PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithUnicodeFilename(
179 PyObject *, Py_UNICODE *);
180#endif /* Py_WIN_WIDE_FILENAMES */
181
Mark Hammond91a681d2002-08-12 07:21:58 +0000182PyAPI_FUNC(PyObject *) PyErr_Format(PyObject *, const char *, ...)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000183 Py_GCC_ATTRIBUTE((format(printf, 2, 3)));
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000184
Guido van Rossumdb0c9f72000-02-17 15:17:18 +0000185#ifdef MS_WINDOWS
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000186PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithFilenameObject(
187 int, const char *);
188PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithFilename(
189 int, const char *);
190#ifdef Py_WIN_WIDE_FILENAMES
191PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithUnicodeFilename(
192 int, const Py_UNICODE *);
193#endif /* Py_WIN_WIDE_FILENAMES */
Mark Hammond91a681d2002-08-12 07:21:58 +0000194PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErr(int);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000195PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilenameObject(
196 PyObject *,int, PyObject *);
Mark Hammond91a681d2002-08-12 07:21:58 +0000197PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilename(
Thomas Heller085358a2002-07-29 14:27:41 +0000198 PyObject *,int, const char *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000199#ifdef Py_WIN_WIDE_FILENAMES
200PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithUnicodeFilename(
201 PyObject *,int, const Py_UNICODE *);
202#endif /* Py_WIN_WIDE_FILENAMES */
Mark Hammond91a681d2002-08-12 07:21:58 +0000203PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErr(PyObject *, int);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000204#endif /* MS_WINDOWS */
Guido van Rossum3e55cb61990-10-21 22:09:30 +0000205
Fred Drake6d63adf2000-08-24 22:38:39 +0000206/* Export the old function so that the existing API remains available: */
Mark Hammond91a681d2002-08-12 07:21:58 +0000207PyAPI_FUNC(void) PyErr_BadInternalCall(void);
208PyAPI_FUNC(void) _PyErr_BadInternalCall(char *filename, int lineno);
Fred Drake6d63adf2000-08-24 22:38:39 +0000209/* Mask the old API with a call to the new API for code compiled under
210 Python 2.0: */
211#define PyErr_BadInternalCall() _PyErr_BadInternalCall(__FILE__, __LINE__)
Guido van Rossum25831651993-05-19 14:50:45 +0000212
Guido van Rossum2d2c3441997-09-16 21:50:37 +0000213/* Function to create a new exception */
Mark Hammond91a681d2002-08-12 07:21:58 +0000214PyAPI_FUNC(PyObject *) PyErr_NewException(char *name, PyObject *base,
Fred Draked5c84ed2000-07-08 17:25:55 +0000215 PyObject *dict);
Mark Hammond91a681d2002-08-12 07:21:58 +0000216PyAPI_FUNC(void) PyErr_WriteUnraisable(PyObject *);
Guido van Rossum2d2c3441997-09-16 21:50:37 +0000217
Guido van Rossum3fc30372000-12-15 21:57:34 +0000218/* Issue a warning or exception */
Thomas Wouters0e3f5912006-08-11 14:57:12 +0000219PyAPI_FUNC(int) PyErr_WarnEx(PyObject *category, const char *msg,
220 Py_ssize_t stack_level);
Martin v. Löwis95292d62002-12-11 14:04:59 +0000221PyAPI_FUNC(int) PyErr_WarnExplicit(PyObject *, const char *,
222 const char *, int,
223 const char *, PyObject *);
Thomas Wouters0e3f5912006-08-11 14:57:12 +0000224/* PyErr_Warn is only for backwards compatability and will be removed.
225 Use PyErr_WarnEx instead. */
226#define PyErr_Warn(category, msg) PyErr_WarnEx(category, msg, 1)
Guido van Rossum3fc30372000-12-15 21:57:34 +0000227
Barry Warsawf3f41a91997-01-03 00:15:03 +0000228/* In sigcheck.c or signalmodule.c */
Mark Hammond91a681d2002-08-12 07:21:58 +0000229PyAPI_FUNC(int) PyErr_CheckSignals(void);
230PyAPI_FUNC(void) PyErr_SetInterrupt(void);
Jeremy Hyltonad3d3f22001-02-28 17:47:12 +0000231
232/* Support for adding program text to SyntaxErrors */
Martin v. Löwis95292d62002-12-11 14:04:59 +0000233PyAPI_FUNC(void) PyErr_SyntaxLocation(const char *, int);
234PyAPI_FUNC(PyObject *) PyErr_ProgramText(const char *, int);
Tim Petersa437d452001-11-28 16:51:49 +0000235
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000236/* The following functions are used to create and modify unicode
237 exceptions from C */
Walter Dörwaldbf73db82002-11-21 20:08:33 +0000238
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000239/* create a UnicodeDecodeError object */
240PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_Create(
Martin v. Löwis18e16552006-02-15 17:27:45 +0000241 const char *, const char *, Py_ssize_t, Py_ssize_t, Py_ssize_t, const char *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000242
243/* create a UnicodeEncodeError object */
244PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_Create(
Martin v. Löwis18e16552006-02-15 17:27:45 +0000245 const char *, const Py_UNICODE *, Py_ssize_t, Py_ssize_t, Py_ssize_t, const char *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000246
247/* create a UnicodeTranslateError object */
248PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_Create(
Martin v. Löwis18e16552006-02-15 17:27:45 +0000249 const Py_UNICODE *, Py_ssize_t, Py_ssize_t, Py_ssize_t, const char *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000250
251/* get the encoding attribute */
252PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetEncoding(PyObject *);
253PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetEncoding(PyObject *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000254
255/* get the object attribute */
256PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetObject(PyObject *);
257PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetObject(PyObject *);
258PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetObject(PyObject *);
259
260/* get the value of the start attribute (the int * may not be NULL)
261 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000262PyAPI_FUNC(int) PyUnicodeEncodeError_GetStart(PyObject *, Py_ssize_t *);
263PyAPI_FUNC(int) PyUnicodeDecodeError_GetStart(PyObject *, Py_ssize_t *);
264PyAPI_FUNC(int) PyUnicodeTranslateError_GetStart(PyObject *, Py_ssize_t *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000265
266/* assign a new value to the start attribute
267 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000268PyAPI_FUNC(int) PyUnicodeEncodeError_SetStart(PyObject *, Py_ssize_t);
269PyAPI_FUNC(int) PyUnicodeDecodeError_SetStart(PyObject *, Py_ssize_t);
270PyAPI_FUNC(int) PyUnicodeTranslateError_SetStart(PyObject *, Py_ssize_t);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000271
272/* get the value of the end attribute (the int *may not be NULL)
273 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000274PyAPI_FUNC(int) PyUnicodeEncodeError_GetEnd(PyObject *, Py_ssize_t *);
275PyAPI_FUNC(int) PyUnicodeDecodeError_GetEnd(PyObject *, Py_ssize_t *);
276PyAPI_FUNC(int) PyUnicodeTranslateError_GetEnd(PyObject *, Py_ssize_t *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000277
278/* assign a new value to the end attribute
279 return 0 on success, -1 on failure */
Martin v. Löwis18e16552006-02-15 17:27:45 +0000280PyAPI_FUNC(int) PyUnicodeEncodeError_SetEnd(PyObject *, Py_ssize_t);
281PyAPI_FUNC(int) PyUnicodeDecodeError_SetEnd(PyObject *, Py_ssize_t);
282PyAPI_FUNC(int) PyUnicodeTranslateError_SetEnd(PyObject *, Py_ssize_t);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000283
284/* get the value of the reason attribute */
285PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetReason(PyObject *);
286PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetReason(PyObject *);
287PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetReason(PyObject *);
288
289/* assign a new value to the reason attribute
290 return 0 on success, -1 on failure */
291PyAPI_FUNC(int) PyUnicodeEncodeError_SetReason(
292 PyObject *, const char *);
293PyAPI_FUNC(int) PyUnicodeDecodeError_SetReason(
294 PyObject *, const char *);
295PyAPI_FUNC(int) PyUnicodeTranslateError_SetReason(
296 PyObject *, const char *);
297
298
Marc-André Lemburge5006eb2001-07-31 13:24:44 +0000299/* These APIs aren't really part of the error implementation, but
300 often needed to format error messages; the native C lib APIs are
301 not available on all platforms, which is why we provide emulations
Tim Petersa437d452001-11-28 16:51:49 +0000302 for those platforms in Python/mysnprintf.c,
303 WARNING: The return value of snprintf varies across platforms; do
304 not rely on any particular behavior; eventually the C99 defn may
305 be reliable.
306*/
Marc-André Lemburge5006eb2001-07-31 13:24:44 +0000307#if defined(MS_WIN32) && !defined(HAVE_SNPRINTF)
308# define HAVE_SNPRINTF
309# define snprintf _snprintf
310# define vsnprintf _vsnprintf
311#endif
Marc-André Lemburg03d1b182001-07-31 18:05:33 +0000312
Marc-André Lemburgcecd9e02001-07-31 14:23:52 +0000313#include <stdarg.h>
Mark Hammond91a681d2002-08-12 07:21:58 +0000314PyAPI_FUNC(int) PyOS_snprintf(char *str, size_t size, const char *format, ...)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000315 Py_GCC_ATTRIBUTE((format(printf, 3, 4)));
Mark Hammond91a681d2002-08-12 07:21:58 +0000316PyAPI_FUNC(int) PyOS_vsnprintf(char *str, size_t size, const char *format, va_list va)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000317 Py_GCC_ATTRIBUTE((format(printf, 3, 0)));
Guido van Rossumb6775db1994-08-01 11:34:53 +0000318
Guido van Rossuma3309961993-07-28 09:05:47 +0000319#ifdef __cplusplus
320}
321#endif
322#endif /* !Py_ERRORS_H */