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106 lines
3.5 KiB
C
106 lines
3.5 KiB
C
#ifndef Py_INTERNAL_TRACEBACK_H
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#define Py_INTERNAL_TRACEBACK_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef Py_BUILD_CORE
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# error "this header requires Py_BUILD_CORE define"
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#endif
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// Export for '_ctypes' shared extension
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PyAPI_FUNC(int) _Py_DisplaySourceLine(PyObject *, PyObject *, int, int, int *, PyObject **);
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// Export for 'pyexact' shared extension
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PyAPI_FUNC(void) _PyTraceback_Add(const char *, const char *, int);
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/* Write the Python traceback into the file 'fd'. For example:
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Traceback (most recent call first):
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File "xxx", line xxx in <xxx>
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File "xxx", line xxx in <xxx>
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...
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File "xxx", line xxx in <xxx>
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This function is written for debug purpose only, to dump the traceback in
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the worst case: after a segmentation fault, at fatal error, etc. That's why,
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it is very limited. Strings are truncated to 100 characters and encoded to
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ASCII with backslashreplace. It doesn't write the source code, only the
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function name, filename and line number of each frame. Write only the first
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100 frames: if the traceback is truncated, write the line " ...".
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This function is signal safe. */
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extern void _Py_DumpTraceback(
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int fd,
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PyThreadState *tstate);
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/* Write the traceback of all threads into the file 'fd'. current_thread can be
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NULL.
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Return NULL on success, or an error message on error.
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This function is written for debug purpose only. It calls
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_Py_DumpTraceback() for each thread, and so has the same limitations. It
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only write the traceback of the first 100 threads: write "..." if there are
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more threads.
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If current_tstate is NULL, the function tries to get the Python thread state
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of the current thread. It is not an error if the function is unable to get
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the current Python thread state.
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If interp is NULL, the function tries to get the interpreter state from
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the current Python thread state, or from
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_PyGILState_GetInterpreterStateUnsafe() in last resort.
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It is better to pass NULL to interp and current_tstate, the function tries
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different options to retrieve this information.
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This function is signal safe. */
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extern const char* _Py_DumpTracebackThreads(
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int fd,
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PyInterpreterState *interp,
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PyThreadState *current_tstate);
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/* Write a Unicode object into the file descriptor fd. Encode the string to
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ASCII using the backslashreplace error handler.
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Do nothing if text is not a Unicode object. The function accepts Unicode
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string which is not ready (PyUnicode_WCHAR_KIND).
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This function is signal safe. */
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extern void _Py_DumpASCII(int fd, PyObject *text);
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/* Format an integer as decimal into the file descriptor fd.
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This function is signal safe. */
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extern void _Py_DumpDecimal(
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int fd,
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size_t value);
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/* Format an integer as hexadecimal with width digits into fd file descriptor.
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The function is signal safe. */
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extern void _Py_DumpHexadecimal(
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int fd,
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uintptr_t value,
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Py_ssize_t width);
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extern PyObject* _PyTraceBack_FromFrame(
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PyObject *tb_next,
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PyFrameObject *frame);
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#define EXCEPTION_TB_HEADER "Traceback (most recent call last):\n"
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#define EXCEPTION_GROUP_TB_HEADER "Exception Group Traceback (most recent call last):\n"
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/* Write the traceback tb to file f. Prefix each line with
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indent spaces followed by the margin (if it is not NULL). */
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extern int _PyTraceBack_Print(
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PyObject *tb, const char *header, PyObject *f);
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extern int _Py_WriteIndentedMargin(int, const char*, PyObject *);
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extern int _Py_WriteIndent(int, PyObject *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_INTERNAL_TRACEBACK_H */
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