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1 // Error handling definitions
2 
3 #ifndef Py_ERRORS_H
4 #define Py_ERRORS_H
5 #ifdef __cplusplus
6 extern "C" {
7 #endif
8 
9 PyAPI_FUNC(void) PyErr_SetNone(PyObject *);
10 PyAPI_FUNC(void) PyErr_SetObject(PyObject *, PyObject *);
11 PyAPI_FUNC(void) PyErr_SetString(
12     PyObject *exception,
13     const char *string   /* decoded from utf-8 */
14     );
15 PyAPI_FUNC(PyObject *) PyErr_Occurred(void);
16 PyAPI_FUNC(void) PyErr_Clear(void);
17 PyAPI_FUNC(void) PyErr_Fetch(PyObject **, PyObject **, PyObject **);
18 PyAPI_FUNC(void) PyErr_Restore(PyObject *, PyObject *, PyObject *);
19 PyAPI_FUNC(PyObject *) PyErr_GetRaisedException(void);
20 PyAPI_FUNC(void) PyErr_SetRaisedException(PyObject *);
21 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x030b0000
22 PyAPI_FUNC(PyObject*) PyErr_GetHandledException(void);
23 PyAPI_FUNC(void) PyErr_SetHandledException(PyObject *);
24 #endif
25 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
26 PyAPI_FUNC(void) PyErr_GetExcInfo(PyObject **, PyObject **, PyObject **);
27 PyAPI_FUNC(void) PyErr_SetExcInfo(PyObject *, PyObject *, PyObject *);
28 #endif
29 
30 /* Defined in Python/pylifecycle.c
31 
32    The Py_FatalError() function is replaced with a macro which logs
33    automatically the name of the current function, unless the Py_LIMITED_API
34    macro is defined. */
35 PyAPI_FUNC(void) _Py_NO_RETURN Py_FatalError(const char *message);
36 
37 /* Error testing and normalization */
38 PyAPI_FUNC(int) PyErr_GivenExceptionMatches(PyObject *, PyObject *);
39 PyAPI_FUNC(int) PyErr_ExceptionMatches(PyObject *);
40 PyAPI_FUNC(void) PyErr_NormalizeException(PyObject**, PyObject**, PyObject**);
41 
42 /* Traceback manipulation (PEP 3134) */
43 PyAPI_FUNC(int) PyException_SetTraceback(PyObject *, PyObject *);
44 PyAPI_FUNC(PyObject *) PyException_GetTraceback(PyObject *);
45 
46 /* Cause manipulation (PEP 3134) */
47 PyAPI_FUNC(PyObject *) PyException_GetCause(PyObject *);
48 PyAPI_FUNC(void) PyException_SetCause(PyObject *, PyObject *);
49 
50 /* Context manipulation (PEP 3134) */
51 PyAPI_FUNC(PyObject *) PyException_GetContext(PyObject *);
52 PyAPI_FUNC(void) PyException_SetContext(PyObject *, PyObject *);
53 
54 
55 PyAPI_FUNC(PyObject *) PyException_GetArgs(PyObject *);
56 PyAPI_FUNC(void) PyException_SetArgs(PyObject *, PyObject *);
57 
58 /* */
59 
60 #define PyExceptionClass_Check(x)                                       \
61     (PyType_Check((x)) &&                                               \
62      PyType_FastSubclass((PyTypeObject*)(x), Py_TPFLAGS_BASE_EXC_SUBCLASS))
63 
64 #define PyExceptionInstance_Check(x)                    \
65     PyType_FastSubclass(Py_TYPE(x), Py_TPFLAGS_BASE_EXC_SUBCLASS)
66 
67 PyAPI_FUNC(const char *) PyExceptionClass_Name(PyObject *);
68 
69 #define PyExceptionInstance_Class(x) _PyObject_CAST(Py_TYPE(x))
70 
71 #define _PyBaseExceptionGroup_Check(x)                   \
72     PyObject_TypeCheck((x), (PyTypeObject *)PyExc_BaseExceptionGroup)
73 
74 /* Predefined exceptions */
75 
76 PyAPI_DATA(PyObject *) PyExc_BaseException;
77 PyAPI_DATA(PyObject *) PyExc_Exception;
78 PyAPI_DATA(PyObject *) PyExc_BaseExceptionGroup;
79 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
80 PyAPI_DATA(PyObject *) PyExc_StopAsyncIteration;
81 #endif
82 PyAPI_DATA(PyObject *) PyExc_StopIteration;
83 PyAPI_DATA(PyObject *) PyExc_GeneratorExit;
84 PyAPI_DATA(PyObject *) PyExc_ArithmeticError;
85 PyAPI_DATA(PyObject *) PyExc_LookupError;
86 
87 PyAPI_DATA(PyObject *) PyExc_AssertionError;
88 PyAPI_DATA(PyObject *) PyExc_AttributeError;
89 PyAPI_DATA(PyObject *) PyExc_BufferError;
90 PyAPI_DATA(PyObject *) PyExc_EOFError;
91 PyAPI_DATA(PyObject *) PyExc_FloatingPointError;
92 PyAPI_DATA(PyObject *) PyExc_OSError;
93 PyAPI_DATA(PyObject *) PyExc_ImportError;
94 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03060000
95 PyAPI_DATA(PyObject *) PyExc_ModuleNotFoundError;
96 #endif
97 PyAPI_DATA(PyObject *) PyExc_IndexError;
98 PyAPI_DATA(PyObject *) PyExc_KeyError;
99 PyAPI_DATA(PyObject *) PyExc_KeyboardInterrupt;
100 PyAPI_DATA(PyObject *) PyExc_MemoryError;
101 PyAPI_DATA(PyObject *) PyExc_NameError;
102 PyAPI_DATA(PyObject *) PyExc_OverflowError;
103 PyAPI_DATA(PyObject *) PyExc_RuntimeError;
104 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
105 PyAPI_DATA(PyObject *) PyExc_RecursionError;
106 #endif
107 PyAPI_DATA(PyObject *) PyExc_NotImplementedError;
108 PyAPI_DATA(PyObject *) PyExc_SyntaxError;
109 PyAPI_DATA(PyObject *) PyExc_IndentationError;
110 PyAPI_DATA(PyObject *) PyExc_TabError;
111 PyAPI_DATA(PyObject *) PyExc_ReferenceError;
112 PyAPI_DATA(PyObject *) PyExc_SystemError;
113 PyAPI_DATA(PyObject *) PyExc_SystemExit;
114 PyAPI_DATA(PyObject *) PyExc_TypeError;
115 PyAPI_DATA(PyObject *) PyExc_UnboundLocalError;
116 PyAPI_DATA(PyObject *) PyExc_UnicodeError;
117 PyAPI_DATA(PyObject *) PyExc_UnicodeEncodeError;
118 PyAPI_DATA(PyObject *) PyExc_UnicodeDecodeError;
119 PyAPI_DATA(PyObject *) PyExc_UnicodeTranslateError;
120 PyAPI_DATA(PyObject *) PyExc_ValueError;
121 PyAPI_DATA(PyObject *) PyExc_ZeroDivisionError;
122 
123 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
124 PyAPI_DATA(PyObject *) PyExc_BlockingIOError;
125 PyAPI_DATA(PyObject *) PyExc_BrokenPipeError;
126 PyAPI_DATA(PyObject *) PyExc_ChildProcessError;
127 PyAPI_DATA(PyObject *) PyExc_ConnectionError;
128 PyAPI_DATA(PyObject *) PyExc_ConnectionAbortedError;
129 PyAPI_DATA(PyObject *) PyExc_ConnectionRefusedError;
130 PyAPI_DATA(PyObject *) PyExc_ConnectionResetError;
131 PyAPI_DATA(PyObject *) PyExc_FileExistsError;
132 PyAPI_DATA(PyObject *) PyExc_FileNotFoundError;
133 PyAPI_DATA(PyObject *) PyExc_InterruptedError;
134 PyAPI_DATA(PyObject *) PyExc_IsADirectoryError;
135 PyAPI_DATA(PyObject *) PyExc_NotADirectoryError;
136 PyAPI_DATA(PyObject *) PyExc_PermissionError;
137 PyAPI_DATA(PyObject *) PyExc_ProcessLookupError;
138 PyAPI_DATA(PyObject *) PyExc_TimeoutError;
139 #endif
140 
141 
142 /* Compatibility aliases */
143 PyAPI_DATA(PyObject *) PyExc_EnvironmentError;
144 PyAPI_DATA(PyObject *) PyExc_IOError;
145 #ifdef MS_WINDOWS
146 PyAPI_DATA(PyObject *) PyExc_WindowsError;
147 #endif
148 
149 /* Predefined warning categories */
150 PyAPI_DATA(PyObject *) PyExc_Warning;
151 PyAPI_DATA(PyObject *) PyExc_UserWarning;
152 PyAPI_DATA(PyObject *) PyExc_DeprecationWarning;
153 PyAPI_DATA(PyObject *) PyExc_PendingDeprecationWarning;
154 PyAPI_DATA(PyObject *) PyExc_SyntaxWarning;
155 PyAPI_DATA(PyObject *) PyExc_RuntimeWarning;
156 PyAPI_DATA(PyObject *) PyExc_FutureWarning;
157 PyAPI_DATA(PyObject *) PyExc_ImportWarning;
158 PyAPI_DATA(PyObject *) PyExc_UnicodeWarning;
159 PyAPI_DATA(PyObject *) PyExc_BytesWarning;
160 PyAPI_DATA(PyObject *) PyExc_EncodingWarning;
161 PyAPI_DATA(PyObject *) PyExc_ResourceWarning;
162 
163 
164 /* Convenience functions */
165 
166 PyAPI_FUNC(int) PyErr_BadArgument(void);
167 PyAPI_FUNC(PyObject *) PyErr_NoMemory(void);
168 PyAPI_FUNC(PyObject *) PyErr_SetFromErrno(PyObject *);
169 PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilenameObject(
170     PyObject *, PyObject *);
171 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03040000
172 PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilenameObjects(
173     PyObject *, PyObject *, PyObject *);
174 #endif
175 PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilename(
176     PyObject *exc,
177     const char *filename   /* decoded from the filesystem encoding */
178     );
179 
180 PyAPI_FUNC(PyObject *) PyErr_Format(
181     PyObject *exception,
182     const char *format,   /* ASCII-encoded string  */
183     ...
184     );
185 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
186 PyAPI_FUNC(PyObject *) PyErr_FormatV(
187     PyObject *exception,
188     const char *format,
189     va_list vargs);
190 #endif
191 
192 #ifdef MS_WINDOWS
193 PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithFilename(
194     int ierr,
195     const char *filename        /* decoded from the filesystem encoding */
196     );
197 PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErr(int);
198 PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilenameObject(
199     PyObject *,int, PyObject *);
200 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03040000
201 PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilenameObjects(
202     PyObject *,int, PyObject *, PyObject *);
203 #endif
204 PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilename(
205     PyObject *exc,
206     int ierr,
207     const char *filename        /* decoded from the filesystem encoding */
208     );
209 PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErr(PyObject *, int);
210 #endif /* MS_WINDOWS */
211 
212 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03060000
213 PyAPI_FUNC(PyObject *) PyErr_SetImportErrorSubclass(PyObject *, PyObject *,
214     PyObject *, PyObject *);
215 #endif
216 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
217 PyAPI_FUNC(PyObject *) PyErr_SetImportError(PyObject *, PyObject *,
218     PyObject *);
219 #endif
220 
221 /* Export the old function so that the existing API remains available: */
222 PyAPI_FUNC(void) PyErr_BadInternalCall(void);
223 PyAPI_FUNC(void) _PyErr_BadInternalCall(const char *filename, int lineno);
224 /* Mask the old API with a call to the new API for code compiled under
225    Python 2.0: */
226 #define PyErr_BadInternalCall() _PyErr_BadInternalCall(__FILE__, __LINE__)
227 
228 /* Function to create a new exception */
229 PyAPI_FUNC(PyObject *) PyErr_NewException(
230     const char *name, PyObject *base, PyObject *dict);
231 PyAPI_FUNC(PyObject *) PyErr_NewExceptionWithDoc(
232     const char *name, const char *doc, PyObject *base, PyObject *dict);
233 PyAPI_FUNC(void) PyErr_WriteUnraisable(PyObject *);
234 
235 
236 /* In signalmodule.c */
237 PyAPI_FUNC(int) PyErr_CheckSignals(void);
238 PyAPI_FUNC(void) PyErr_SetInterrupt(void);
239 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x030A0000
240 PyAPI_FUNC(int) PyErr_SetInterruptEx(int signum);
241 #endif
242 
243 /* Support for adding program text to SyntaxErrors */
244 PyAPI_FUNC(void) PyErr_SyntaxLocation(
245     const char *filename,       /* decoded from the filesystem encoding */
246     int lineno);
247 PyAPI_FUNC(void) PyErr_SyntaxLocationEx(
248     const char *filename,       /* decoded from the filesystem encoding */
249     int lineno,
250     int col_offset);
251 PyAPI_FUNC(PyObject *) PyErr_ProgramText(
252     const char *filename,       /* decoded from the filesystem encoding */
253     int lineno);
254 
255 /* The following functions are used to create and modify unicode
256    exceptions from C */
257 
258 /* create a UnicodeDecodeError object */
259 PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_Create(
260     const char *encoding,       /* UTF-8 encoded string */
261     const char *object,
262     Py_ssize_t length,
263     Py_ssize_t start,
264     Py_ssize_t end,
265     const char *reason          /* UTF-8 encoded string */
266     );
267 
268 /* get the encoding attribute */
269 PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetEncoding(PyObject *);
270 PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetEncoding(PyObject *);
271 
272 /* get the object attribute */
273 PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetObject(PyObject *);
274 PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetObject(PyObject *);
275 PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetObject(PyObject *);
276 
277 /* get the value of the start attribute (the int * may not be NULL)
278    return 0 on success, -1 on failure */
279 PyAPI_FUNC(int) PyUnicodeEncodeError_GetStart(PyObject *, Py_ssize_t *);
280 PyAPI_FUNC(int) PyUnicodeDecodeError_GetStart(PyObject *, Py_ssize_t *);
281 PyAPI_FUNC(int) PyUnicodeTranslateError_GetStart(PyObject *, Py_ssize_t *);
282 
283 /* assign a new value to the start attribute
284    return 0 on success, -1 on failure */
285 PyAPI_FUNC(int) PyUnicodeEncodeError_SetStart(PyObject *, Py_ssize_t);
286 PyAPI_FUNC(int) PyUnicodeDecodeError_SetStart(PyObject *, Py_ssize_t);
287 PyAPI_FUNC(int) PyUnicodeTranslateError_SetStart(PyObject *, Py_ssize_t);
288 
289 /* get the value of the end attribute (the int *may not be NULL)
290  return 0 on success, -1 on failure */
291 PyAPI_FUNC(int) PyUnicodeEncodeError_GetEnd(PyObject *, Py_ssize_t *);
292 PyAPI_FUNC(int) PyUnicodeDecodeError_GetEnd(PyObject *, Py_ssize_t *);
293 PyAPI_FUNC(int) PyUnicodeTranslateError_GetEnd(PyObject *, Py_ssize_t *);
294 
295 /* assign a new value to the end attribute
296    return 0 on success, -1 on failure */
297 PyAPI_FUNC(int) PyUnicodeEncodeError_SetEnd(PyObject *, Py_ssize_t);
298 PyAPI_FUNC(int) PyUnicodeDecodeError_SetEnd(PyObject *, Py_ssize_t);
299 PyAPI_FUNC(int) PyUnicodeTranslateError_SetEnd(PyObject *, Py_ssize_t);
300 
301 /* get the value of the reason attribute */
302 PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_GetReason(PyObject *);
303 PyAPI_FUNC(PyObject *) PyUnicodeDecodeError_GetReason(PyObject *);
304 PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_GetReason(PyObject *);
305 
306 /* assign a new value to the reason attribute
307    return 0 on success, -1 on failure */
308 PyAPI_FUNC(int) PyUnicodeEncodeError_SetReason(
309     PyObject *exc,
310     const char *reason          /* UTF-8 encoded string */
311     );
312 PyAPI_FUNC(int) PyUnicodeDecodeError_SetReason(
313     PyObject *exc,
314     const char *reason          /* UTF-8 encoded string */
315     );
316 PyAPI_FUNC(int) PyUnicodeTranslateError_SetReason(
317     PyObject *exc,
318     const char *reason          /* UTF-8 encoded string */
319     );
320 
321 PyAPI_FUNC(int) PyOS_snprintf(char *str, size_t size, const char  *format, ...)
322                         Py_GCC_ATTRIBUTE((format(printf, 3, 4)));
323 PyAPI_FUNC(int) PyOS_vsnprintf(char *str, size_t size, const char  *format, va_list va)
324                         Py_GCC_ATTRIBUTE((format(printf, 3, 0)));
325 
326 #ifndef Py_LIMITED_API
327 #  define Py_CPYTHON_ERRORS_H
328 #  include "cpython/pyerrors.h"
329 #  undef Py_CPYTHON_ERRORS_H
330 #endif
331 
332 #ifdef __cplusplus
333 }
334 #endif
335 #endif /* !Py_ERRORS_H */
336