blob: 94a52903de07bcbc0ccfad7bec8fe7e5f3450c35 [file] [log] [blame]
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
29
Guido van Rossum3f5da241990-12-20 15:06:42 +000030/* Predefined exceptions */
Guido van Rossum5c600e11990-10-14 20:00:25 +000031
Mark Hammond91a681d2002-08-12 07:21:58 +000032PyAPI_DATA(PyObject *) PyExc_Exception;
33PyAPI_DATA(PyObject *) PyExc_StopIteration;
Phillip J. Eby0d6615f2005-08-02 00:46:46 +000034PyAPI_DATA(PyObject *) PyExc_GeneratorExit;
Mark Hammond91a681d2002-08-12 07:21:58 +000035PyAPI_DATA(PyObject *) PyExc_StandardError;
36PyAPI_DATA(PyObject *) PyExc_ArithmeticError;
37PyAPI_DATA(PyObject *) PyExc_LookupError;
Barry Warsaw392d8271997-08-29 21:56:07 +000038
Mark Hammond91a681d2002-08-12 07:21:58 +000039PyAPI_DATA(PyObject *) PyExc_AssertionError;
40PyAPI_DATA(PyObject *) PyExc_AttributeError;
41PyAPI_DATA(PyObject *) PyExc_EOFError;
42PyAPI_DATA(PyObject *) PyExc_FloatingPointError;
43PyAPI_DATA(PyObject *) PyExc_EnvironmentError;
44PyAPI_DATA(PyObject *) PyExc_IOError;
45PyAPI_DATA(PyObject *) PyExc_OSError;
46PyAPI_DATA(PyObject *) PyExc_ImportError;
47PyAPI_DATA(PyObject *) PyExc_IndexError;
48PyAPI_DATA(PyObject *) PyExc_KeyError;
49PyAPI_DATA(PyObject *) PyExc_KeyboardInterrupt;
50PyAPI_DATA(PyObject *) PyExc_MemoryError;
51PyAPI_DATA(PyObject *) PyExc_NameError;
52PyAPI_DATA(PyObject *) PyExc_OverflowError;
53PyAPI_DATA(PyObject *) PyExc_RuntimeError;
54PyAPI_DATA(PyObject *) PyExc_NotImplementedError;
55PyAPI_DATA(PyObject *) PyExc_SyntaxError;
56PyAPI_DATA(PyObject *) PyExc_IndentationError;
57PyAPI_DATA(PyObject *) PyExc_TabError;
58PyAPI_DATA(PyObject *) PyExc_ReferenceError;
59PyAPI_DATA(PyObject *) PyExc_SystemError;
60PyAPI_DATA(PyObject *) PyExc_SystemExit;
61PyAPI_DATA(PyObject *) PyExc_TypeError;
62PyAPI_DATA(PyObject *) PyExc_UnboundLocalError;
63PyAPI_DATA(PyObject *) PyExc_UnicodeError;
Walter Dörwald3aeb6322002-09-02 13:14:32 +000064PyAPI_DATA(PyObject *) PyExc_UnicodeEncodeError;
65PyAPI_DATA(PyObject *) PyExc_UnicodeDecodeError;
66PyAPI_DATA(PyObject *) PyExc_UnicodeTranslateError;
Mark Hammond91a681d2002-08-12 07:21:58 +000067PyAPI_DATA(PyObject *) PyExc_ValueError;
68PyAPI_DATA(PyObject *) PyExc_ZeroDivisionError;
Guido van Rossumdb0c9f72000-02-17 15:17:18 +000069#ifdef MS_WINDOWS
Mark Hammond91a681d2002-08-12 07:21:58 +000070PyAPI_DATA(PyObject *) PyExc_WindowsError;
Guido van Rossumdb0c9f72000-02-17 15:17:18 +000071#endif
Martin v. Löwis79acb9e2002-12-06 12:48:53 +000072#ifdef __VMS
Neal Norwitz21d896c2003-07-01 20:15:21 +000073PyAPI_DATA(PyObject *) PyExc_VMSError;
Martin v. Löwis79acb9e2002-12-06 12:48:53 +000074#endif
Guido van Rossum3e55cb61990-10-21 22:09:30 +000075
Mark Hammond91a681d2002-08-12 07:21:58 +000076PyAPI_DATA(PyObject *) PyExc_MemoryErrorInst;
Barry Warsaw392d8271997-08-29 21:56:07 +000077
Guido van Rossum3fc30372000-12-15 21:57:34 +000078/* Predefined warning categories */
Mark Hammond91a681d2002-08-12 07:21:58 +000079PyAPI_DATA(PyObject *) PyExc_Warning;
80PyAPI_DATA(PyObject *) PyExc_UserWarning;
81PyAPI_DATA(PyObject *) PyExc_DeprecationWarning;
82PyAPI_DATA(PyObject *) PyExc_PendingDeprecationWarning;
83PyAPI_DATA(PyObject *) PyExc_SyntaxWarning;
Tim Petersc8854432004-08-25 02:14:08 +000084/* PyExc_OverflowWarning will go away for Python 2.5 */
Mark Hammond91a681d2002-08-12 07:21:58 +000085PyAPI_DATA(PyObject *) PyExc_OverflowWarning;
86PyAPI_DATA(PyObject *) PyExc_RuntimeWarning;
Barry Warsaw9f007392002-08-14 15:51:29 +000087PyAPI_DATA(PyObject *) PyExc_FutureWarning;
Guido van Rossum3fc30372000-12-15 21:57:34 +000088
Barry Warsaw392d8271997-08-29 21:56:07 +000089
Guido van Rossum5c600e11990-10-14 20:00:25 +000090/* Convenience functions */
91
Mark Hammond91a681d2002-08-12 07:21:58 +000092PyAPI_FUNC(int) PyErr_BadArgument(void);
93PyAPI_FUNC(PyObject *) PyErr_NoMemory(void);
94PyAPI_FUNC(PyObject *) PyErr_SetFromErrno(PyObject *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +000095PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilenameObject(
96 PyObject *, PyObject *);
Mark Hammond91a681d2002-08-12 07:21:58 +000097PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilename(PyObject *, char *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +000098#ifdef Py_WIN_WIDE_FILENAMES
99PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithUnicodeFilename(
100 PyObject *, Py_UNICODE *);
101#endif /* Py_WIN_WIDE_FILENAMES */
102
Mark Hammond91a681d2002-08-12 07:21:58 +0000103PyAPI_FUNC(PyObject *) PyErr_Format(PyObject *, const char *, ...)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000104 Py_GCC_ATTRIBUTE((format(printf, 2, 3)));
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000105
Guido van Rossumdb0c9f72000-02-17 15:17:18 +0000106#ifdef MS_WINDOWS
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000107PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithFilenameObject(
108 int, const char *);
109PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithFilename(
110 int, const char *);
111#ifdef Py_WIN_WIDE_FILENAMES
112PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithUnicodeFilename(
113 int, const Py_UNICODE *);
114#endif /* Py_WIN_WIDE_FILENAMES */
Mark Hammond91a681d2002-08-12 07:21:58 +0000115PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErr(int);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000116PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilenameObject(
117 PyObject *,int, PyObject *);
Mark Hammond91a681d2002-08-12 07:21:58 +0000118PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilename(
Thomas Heller085358a2002-07-29 14:27:41 +0000119 PyObject *,int, const char *);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000120#ifdef Py_WIN_WIDE_FILENAMES
121PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithUnicodeFilename(
122 PyObject *,int, const Py_UNICODE *);
123#endif /* Py_WIN_WIDE_FILENAMES */
Mark Hammond91a681d2002-08-12 07:21:58 +0000124PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErr(PyObject *, int);
Mark Hammondc2e85bd2002-10-03 05:10:39 +0000125#endif /* MS_WINDOWS */
Guido van Rossum3e55cb61990-10-21 22:09:30 +0000126
Fred Drake6d63adf2000-08-24 22:38:39 +0000127/* Export the old function so that the existing API remains available: */
Mark Hammond91a681d2002-08-12 07:21:58 +0000128PyAPI_FUNC(void) PyErr_BadInternalCall(void);
129PyAPI_FUNC(void) _PyErr_BadInternalCall(char *filename, int lineno);
Fred Drake6d63adf2000-08-24 22:38:39 +0000130/* Mask the old API with a call to the new API for code compiled under
131 Python 2.0: */
132#define PyErr_BadInternalCall() _PyErr_BadInternalCall(__FILE__, __LINE__)
Guido van Rossum25831651993-05-19 14:50:45 +0000133
Guido van Rossum2d2c3441997-09-16 21:50:37 +0000134/* Function to create a new exception */
Mark Hammond91a681d2002-08-12 07:21:58 +0000135PyAPI_FUNC(PyObject *) PyErr_NewException(char *name, PyObject *base,
Fred Draked5c84ed2000-07-08 17:25:55 +0000136 PyObject *dict);
Mark Hammond91a681d2002-08-12 07:21:58 +0000137PyAPI_FUNC(void) PyErr_WriteUnraisable(PyObject *);
Guido van Rossum2d2c3441997-09-16 21:50:37 +0000138
Guido van Rossum3fc30372000-12-15 21:57:34 +0000139/* Issue a warning or exception */
Mark Hammond91a681d2002-08-12 07:21:58 +0000140PyAPI_FUNC(int) PyErr_Warn(PyObject *, char *);
Martin v. Löwis95292d62002-12-11 14:04:59 +0000141PyAPI_FUNC(int) PyErr_WarnExplicit(PyObject *, const char *,
142 const char *, int,
143 const char *, PyObject *);
Guido van Rossum3fc30372000-12-15 21:57:34 +0000144
Barry Warsawf3f41a91997-01-03 00:15:03 +0000145/* In sigcheck.c or signalmodule.c */
Mark Hammond91a681d2002-08-12 07:21:58 +0000146PyAPI_FUNC(int) PyErr_CheckSignals(void);
147PyAPI_FUNC(void) PyErr_SetInterrupt(void);
Jeremy Hyltonad3d3f22001-02-28 17:47:12 +0000148
149/* Support for adding program text to SyntaxErrors */
Martin v. Löwis95292d62002-12-11 14:04:59 +0000150PyAPI_FUNC(void) PyErr_SyntaxLocation(const char *, int);
151PyAPI_FUNC(PyObject *) PyErr_ProgramText(const char *, int);
Tim Petersa437d452001-11-28 16:51:49 +0000152
Walter Dörwaldbf73db82002-11-21 20:08:33 +0000153#ifdef Py_USING_UNICODE
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000154/* The following functions are used to create and modify unicode
155 exceptions from C */
Walter Dörwaldbf73db82002-11-21 20:08:33 +0000156
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000157/* create a UnicodeDecodeError object */
158PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_Create(
159 const char *, const char *, int, int, int, const char *);
160
161/* create a UnicodeEncodeError object */
162PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_Create(
163 const char *, const Py_UNICODE *, int, int, int, const char *);
164
165/* create a UnicodeTranslateError object */
166PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_Create(
167 const Py_UNICODE *, int, int, int, const char *);
168
169/* get the encoding attribute */
170PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetEncoding(PyObject *);
171PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetEncoding(PyObject *);
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000172
173/* get the object attribute */
174PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetObject(PyObject *);
175PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetObject(PyObject *);
176PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetObject(PyObject *);
177
178/* get the value of the start attribute (the int * may not be NULL)
179 return 0 on success, -1 on failure */
180PyAPI_FUNC(int) PyUnicodeEncodeError_GetStart(PyObject *, int *);
181PyAPI_FUNC(int) PyUnicodeDecodeError_GetStart(PyObject *, int *);
182PyAPI_FUNC(int) PyUnicodeTranslateError_GetStart(PyObject *, int *);
183
184/* assign a new value to the start attribute
185 return 0 on success, -1 on failure */
186PyAPI_FUNC(int) PyUnicodeEncodeError_SetStart(PyObject *, int);
187PyAPI_FUNC(int) PyUnicodeDecodeError_SetStart(PyObject *, int);
188PyAPI_FUNC(int) PyUnicodeTranslateError_SetStart(PyObject *, int);
189
190/* get the value of the end attribute (the int *may not be NULL)
191 return 0 on success, -1 on failure */
192PyAPI_FUNC(int) PyUnicodeEncodeError_GetEnd(PyObject *, int *);
193PyAPI_FUNC(int) PyUnicodeDecodeError_GetEnd(PyObject *, int *);
194PyAPI_FUNC(int) PyUnicodeTranslateError_GetEnd(PyObject *, int *);
195
196/* assign a new value to the end attribute
197 return 0 on success, -1 on failure */
198PyAPI_FUNC(int) PyUnicodeEncodeError_SetEnd(PyObject *, int);
199PyAPI_FUNC(int) PyUnicodeDecodeError_SetEnd(PyObject *, int);
200PyAPI_FUNC(int) PyUnicodeTranslateError_SetEnd(PyObject *, int);
201
202/* get the value of the reason attribute */
203PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetReason(PyObject *);
204PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetReason(PyObject *);
205PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetReason(PyObject *);
206
207/* assign a new value to the reason attribute
208 return 0 on success, -1 on failure */
209PyAPI_FUNC(int) PyUnicodeEncodeError_SetReason(
210 PyObject *, const char *);
211PyAPI_FUNC(int) PyUnicodeDecodeError_SetReason(
212 PyObject *, const char *);
213PyAPI_FUNC(int) PyUnicodeTranslateError_SetReason(
214 PyObject *, const char *);
Walter Dörwaldbf73db82002-11-21 20:08:33 +0000215#endif
Walter Dörwald3aeb6322002-09-02 13:14:32 +0000216
217
Marc-André Lemburge5006eb2001-07-31 13:24:44 +0000218/* These APIs aren't really part of the error implementation, but
219 often needed to format error messages; the native C lib APIs are
220 not available on all platforms, which is why we provide emulations
Tim Petersa437d452001-11-28 16:51:49 +0000221 for those platforms in Python/mysnprintf.c,
222 WARNING: The return value of snprintf varies across platforms; do
223 not rely on any particular behavior; eventually the C99 defn may
224 be reliable.
225*/
Marc-André Lemburge5006eb2001-07-31 13:24:44 +0000226#if defined(MS_WIN32) && !defined(HAVE_SNPRINTF)
227# define HAVE_SNPRINTF
228# define snprintf _snprintf
229# define vsnprintf _vsnprintf
230#endif
Marc-André Lemburg03d1b182001-07-31 18:05:33 +0000231
Marc-André Lemburgcecd9e02001-07-31 14:23:52 +0000232#include <stdarg.h>
Mark Hammond91a681d2002-08-12 07:21:58 +0000233PyAPI_FUNC(int) PyOS_snprintf(char *str, size_t size, const char *format, ...)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000234 Py_GCC_ATTRIBUTE((format(printf, 3, 4)));
Mark Hammond91a681d2002-08-12 07:21:58 +0000235PyAPI_FUNC(int) PyOS_vsnprintf(char *str, size_t size, const char *format, va_list va)
Neil Schemenauer96aa0ac2002-09-15 14:09:54 +0000236 Py_GCC_ATTRIBUTE((format(printf, 3, 0)));
Guido van Rossumb6775db1994-08-01 11:34:53 +0000237
Guido van Rossuma3309961993-07-28 09:05:47 +0000238#ifdef __cplusplus
239}
240#endif
241#endif /* !Py_ERRORS_H */