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