cpython-lru_cache-weakref: Python/errors.c annotate

annotate Python/errors.c @ 14066:25eea88047e9 legacy-trunk

Do not set a MemoryError exception over another MemoryError exception, thus preserving the first one that has been raised.

author	Vladimir Marangozov <vladimir.marangozov@t-online.de>
date	Fri, 18 Aug 2000 18:01:06 +0000
parents	15ad4088a700
children	019265b3a856

rev	line source
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 90 diff changeset	1 /***********************************************************
13255 916fb024ce94 Change copyright notice. Guido van Rossum <guido@python.org> parents: 12559 diff changeset	2 Copyright (c) 2000, BeOpen.com.
916fb024ce94 Change copyright notice. Guido van Rossum <guido@python.org> parents: 12559 diff changeset	3 Copyright (c) 1995-2000, Corporation for National Research Initiatives.
916fb024ce94 Change copyright notice. Guido van Rossum <guido@python.org> parents: 12559 diff changeset	4 Copyright (c) 1990-1995, Stichting Mathematisch Centrum.
916fb024ce94 Change copyright notice. Guido van Rossum <guido@python.org> parents: 12559 diff changeset	5 All rights reserved.
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 90 diff changeset	6
13255 916fb024ce94 Change copyright notice. Guido van Rossum <guido@python.org> parents: 12559 diff changeset	7 See the file "Misc/COPYRIGHT" for information on usage and
916fb024ce94 Change copyright notice. Guido van Rossum <guido@python.org> parents: 12559 diff changeset	8 redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 90 diff changeset	9 ******************************************************************/
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 90 diff changeset	10
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	11 /* Error handling */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	12
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	13 #include "Python.h"
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 66 diff changeset	14
2019 9e3469c0ed75 Added hook for better mac error messages. Jack Jansen <jack.jansen@cwi.nl> parents: 2003 diff changeset	15 #ifdef macintosh
13447 a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO. Tim Peters <tim.peters@gmail.com> parents: 13256 diff changeset	16 extern char *PyMac_StrError(int);
2190 b40e10bda231 Undef strerror on the mac before redefining it Jack Jansen <jack.jansen@cwi.nl> parents: 2062 diff changeset	17 #undef strerror
2376 c31eaed7798b rename macstrerror to PyMac_StrError; no EINTR test in CW Guido van Rossum <guido@python.org> parents: 2190 diff changeset	18 #define strerror PyMac_StrError
c31eaed7798b rename macstrerror to PyMac_StrError; no EINTR test in CW Guido van Rossum <guido@python.org> parents: 2190 diff changeset	19 #endif /* macintosh */
c31eaed7798b rename macstrerror to PyMac_StrError; no EINTR test in CW Guido van Rossum <guido@python.org> parents: 2190 diff changeset	20
2502 d5978238e3ba changes in NT tests Guido van Rossum <guido@python.org> parents: 2376 diff changeset	21 #ifndef __STDC__
5318 2c4b802a3b5d Keep Microsoft VC happy. Guido van Rossum <guido@python.org> parents: 5312 diff changeset	22 #ifndef MS_WINDOWS
13447 a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO. Tim Peters <tim.peters@gmail.com> parents: 13256 diff changeset	23 extern char *strerror(int);
2502 d5978238e3ba changes in NT tests Guido van Rossum <guido@python.org> parents: 2376 diff changeset	24 #endif
5318 2c4b802a3b5d Keep Microsoft VC happy. Guido van Rossum <guido@python.org> parents: 5312 diff changeset	25 #endif
59 433f52d1d958 Added prototype for strerror. Guido van Rossum <guido@python.org> parents: 37 diff changeset	26
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	27 #ifdef MS_WIN32
df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	28 #include "windows.h"
df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	29 #include "winbase.h"
df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	30 #endif
df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	31
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	32 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	33 PyErr_Restore(PyObject type, PyObject value, PyObject *traceback)
2052 d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of Guido van Rossum <guido@python.org> parents: 2019 diff changeset	34 {
9671 1d40bc25703a Use PyThreadState_GET() macro. Guido van Rossum <guido@python.org> parents: 9365 diff changeset	35 PyThreadState *tstate = PyThreadState_GET();
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	36 PyObject oldtype, oldvalue, *oldtraceback;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	37
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	38 if (traceback != NULL && !PyTraceBack_Check(traceback)) {
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	39 /* XXX Should never happen -- fatal error instead? */
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	40 Py_DECREF(traceback);
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	41 traceback = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	42 }
2052 d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of Guido van Rossum <guido@python.org> parents: 2019 diff changeset	43
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	44 /* Save these in locals to safeguard against recursive
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	45 invocation through Py_XDECREF */
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	46 oldtype = tstate->curexc_type;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	47 oldvalue = tstate->curexc_value;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	48 oldtraceback = tstate->curexc_traceback;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	49
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	50 tstate->curexc_type = type;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	51 tstate->curexc_value = value;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	52 tstate->curexc_traceback = traceback;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	53
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	54 Py_XDECREF(oldtype);
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	55 Py_XDECREF(oldvalue);
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	56 Py_XDECREF(oldtraceback);
2052 d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of Guido van Rossum <guido@python.org> parents: 2019 diff changeset	57 }
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of Guido van Rossum <guido@python.org> parents: 2019 diff changeset	58
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of Guido van Rossum <guido@python.org> parents: 2019 diff changeset	59 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	60 PyErr_SetObject(PyObject exception, PyObject value)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	61 {
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	62 Py_XINCREF(exception);
1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	63 Py_XINCREF(value);
1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	64 PyErr_Restore(exception, value, (PyObject *)NULL);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	65 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	66
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	67 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	68 PyErr_SetNone(PyObject *exception)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	69 {
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	70 PyErr_SetObject(exception, (PyObject *)NULL);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	71 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	72
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	73 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	74 PyErr_SetString(PyObject exception, const char string)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	75 {
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	76 PyObject *value = PyString_FromString(string);
1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	77 PyErr_SetObject(exception, value);
1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	78 Py_XDECREF(value);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	79 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	80
1832 79e420805c67 err_clear: clear interpreter stack trace Guido van Rossum <guido@python.org> parents: 1319 diff changeset	81
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	82 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	83 PyErr_Occurred(void)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	84 {
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	85 PyThreadState *tstate = PyThreadState_Get();
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	86
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	87 return tstate->curexc_type;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	88 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	89
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	90
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	91 int
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	92 PyErr_GivenExceptionMatches(PyObject err, PyObject exc)
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	93 {
12559 3b8d9e63e4e1 PyErr_GivenExceptionMatches(): Check for err==NULL and exc==NULL and Barry Warsaw <barry@python.org> parents: 11899 diff changeset	94 if (err == NULL \|\| exc == NULL) {
3b8d9e63e4e1 PyErr_GivenExceptionMatches(): Check for err==NULL and exc==NULL and Barry Warsaw <barry@python.org> parents: 11899 diff changeset	95 /* maybe caused by "import exceptions" that failed early on */
3b8d9e63e4e1 PyErr_GivenExceptionMatches(): Check for err==NULL and exc==NULL and Barry Warsaw <barry@python.org> parents: 11899 diff changeset	96 return 0;
3b8d9e63e4e1 PyErr_GivenExceptionMatches(): Check for err==NULL and exc==NULL and Barry Warsaw <barry@python.org> parents: 11899 diff changeset	97 }
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	98 if (PyTuple_Check(exc)) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	99 int i, n;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	100 n = PyTuple_Size(exc);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	101 for (i = 0; i < n; i++) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	102 /* Test recursively */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	103 if (PyErr_GivenExceptionMatches(
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	104 err, PyTuple_GET_ITEM(exc, i)))
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	105 {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	106 return 1;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	107 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	108 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	109 return 0;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	110 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	111 /* err might be an instance, so check its class. */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	112 if (PyInstance_Check(err))
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	113 err = (PyObject)((PyInstanceObject)err)->in_class;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	114
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	115 if (PyClass_Check(err) && PyClass_Check(exc))
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	116 return PyClass_IsSubclass(err, exc);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	117
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	118 return err == exc;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	119 }
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	120
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	121
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	122 int
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	123 PyErr_ExceptionMatches(PyObject *exc)
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	124 {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	125 return PyErr_GivenExceptionMatches(PyErr_Occurred(), exc);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	126 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	127
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	128
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	129 /* Used in many places to normalize a raised exception, including in
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	130 eval_code2(), do_raise(), and PyErr_Print()
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	131 */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	132 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	133 PyErr_NormalizeException(PyObject exc, PyObject val, PyObject **tb)
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	134 {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	135 PyObject type = exc;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	136 PyObject value = val;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	137 PyObject *inclass = NULL;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	138
13883 15ad4088a700 Avoid dumping core when PyErr_NormalizeException() is called without Guido van Rossum <guido@python.org> parents: 13658 diff changeset	139 if (type == NULL) {
15ad4088a700 Avoid dumping core when PyErr_NormalizeException() is called without Guido van Rossum <guido@python.org> parents: 13658 diff changeset	140 /* This is a bug. Should never happen. Don't dump core. */
15ad4088a700 Avoid dumping core when PyErr_NormalizeException() is called without Guido van Rossum <guido@python.org> parents: 13658 diff changeset	141 PyErr_SetString(PyExc_SystemError,
15ad4088a700 Avoid dumping core when PyErr_NormalizeException() is called without Guido van Rossum <guido@python.org> parents: 13658 diff changeset	142 "PyErr_NormalizeException() called without exception");
15ad4088a700 Avoid dumping core when PyErr_NormalizeException() is called without Guido van Rossum <guido@python.org> parents: 13658 diff changeset	143 }
15ad4088a700 Avoid dumping core when PyErr_NormalizeException() is called without Guido van Rossum <guido@python.org> parents: 13658 diff changeset	144
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	145 /* If PyErr_SetNone() was used, the value will have been actually
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	146 set to NULL.
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	147 */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	148 if (!value) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	149 value = Py_None;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	150 Py_INCREF(value);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	151 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	152
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	153 if (PyInstance_Check(value))
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	154 inclass = (PyObject)((PyInstanceObject)value)->in_class;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	155
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	156 /* Normalize the exception so that if the type is a class, the
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	157 value will be an instance.
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	158 */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	159 if (PyClass_Check(type)) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	160 /* if the value was not an instance, or is not an instance
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	161 whose class is (or is derived from) type, then use the
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	162 value as an argument to instantiation of the type
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	163 class.
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	164 */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	165 if (!inclass \|\| !PyClass_IsSubclass(inclass, type)) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	166 PyObject args, res;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	167
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	168 if (value == Py_None)
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	169 args = Py_BuildValue("()");
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	170 else if (PyTuple_Check(value)) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	171 Py_INCREF(value);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	172 args = value;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	173 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	174 else
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	175 args = Py_BuildValue("(O)", value);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	176
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	177 if (args == NULL)
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	178 goto finally;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	179 res = PyEval_CallObject(type, args);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	180 Py_DECREF(args);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	181 if (res == NULL)
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	182 goto finally;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	183 Py_DECREF(value);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	184 value = res;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	185 }
6358 9e82dd76288e PyErr_NormalizeException(): If the exception's type is a class and the Barry Warsaw <barry@python.org> parents: 6319 diff changeset	186 /* if the class of the instance doesn't exactly match the
9e82dd76288e PyErr_NormalizeException(): If the exception's type is a class and the Barry Warsaw <barry@python.org> parents: 6319 diff changeset	187 class of the type, believe the instance
9e82dd76288e PyErr_NormalizeException(): If the exception's type is a class and the Barry Warsaw <barry@python.org> parents: 6319 diff changeset	188 */
9e82dd76288e PyErr_NormalizeException(): If the exception's type is a class and the Barry Warsaw <barry@python.org> parents: 6319 diff changeset	189 else if (inclass != type) {
9e82dd76288e PyErr_NormalizeException(): If the exception's type is a class and the Barry Warsaw <barry@python.org> parents: 6319 diff changeset	190 Py_DECREF(type);
9e82dd76288e PyErr_NormalizeException(): If the exception's type is a class and the Barry Warsaw <barry@python.org> parents: 6319 diff changeset	191 type = inclass;
9e82dd76288e PyErr_NormalizeException(): If the exception's type is a class and the Barry Warsaw <barry@python.org> parents: 6319 diff changeset	192 Py_INCREF(type);
9e82dd76288e PyErr_NormalizeException(): If the exception's type is a class and the Barry Warsaw <barry@python.org> parents: 6319 diff changeset	193 }
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	194 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	195 *exc = type;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	196 *val = value;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	197 return;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	198 finally:
6789 bb440a2975ab Fix subtle bug in cleanup code in PyErr_NormalizeException(), detected Guido van Rossum <guido@python.org> parents: 6377 diff changeset	199 Py_DECREF(type);
bb440a2975ab Fix subtle bug in cleanup code in PyErr_NormalizeException(), detected Guido van Rossum <guido@python.org> parents: 6377 diff changeset	200 Py_DECREF(value);
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	201 Py_XDECREF(*tb);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	202 PyErr_Fetch(exc, val, tb);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	203 /* normalize recursively */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	204 PyErr_NormalizeException(exc, val, tb);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	205 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	206
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	207
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	208 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	209 PyErr_Fetch(PyObject p_type, PyObject p_value, PyObject **p_traceback)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	210 {
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	211 PyThreadState *tstate = PyThreadState_Get();
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	212
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	213 *p_type = tstate->curexc_type;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	214 *p_value = tstate->curexc_value;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	215 *p_traceback = tstate->curexc_traceback;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	216
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	217 tstate->curexc_type = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	218 tstate->curexc_value = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	219 tstate->curexc_traceback = NULL;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	220 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	221
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	222 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	223 PyErr_Clear(void)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	224 {
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	225 PyErr_Restore(NULL, NULL, NULL);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	226 }
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	227
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	228 /* Convenience functions to set a type error exception and return 0 */
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	229
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	230 int
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	231 PyErr_BadArgument(void)
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	232 {
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	233 PyErr_SetString(PyExc_TypeError,
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	234 "illegal argument type for built-in operation");
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	235 return 0;
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	236 }
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	237
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	238 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	239 PyErr_NoMemory(void)
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	240 {
14066 25eea88047e9 Do not set a MemoryError exception over another MemoryError exception, Vladimir Marangozov <vladimir.marangozov@t-online.de> parents: 13883 diff changeset	241 if (PyErr_ExceptionMatches(PyExc_MemoryError))
25eea88047e9 Do not set a MemoryError exception over another MemoryError exception, Vladimir Marangozov <vladimir.marangozov@t-online.de> parents: 13883 diff changeset	242 /* already current */
25eea88047e9 Do not set a MemoryError exception over another MemoryError exception, Vladimir Marangozov <vladimir.marangozov@t-online.de> parents: 13883 diff changeset	243 return NULL;
25eea88047e9 Do not set a MemoryError exception over another MemoryError exception, Vladimir Marangozov <vladimir.marangozov@t-online.de> parents: 13883 diff changeset	244
6190 b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	245 /* raise the pre-allocated instance if it still exists */
b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	246 if (PyExc_MemoryErrorInst)
b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	247 PyErr_SetObject(PyExc_MemoryError, PyExc_MemoryErrorInst);
b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	248 else
b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	249 /* this will probably fail since there's no memory and hee,
b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	250 hee, we have to instantiate this class
b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	251 */
b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	252 PyErr_SetNone(PyExc_MemoryError);
b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	253
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	254 return NULL;
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	255 }
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	256
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	257 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	258 PyErr_SetFromErrnoWithFilename(PyObject exc, char filename)
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	259 {
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	260 PyObject *v;
9365 c80321c328b5 When errno is zero, avoid calling strerror() and use "Error" for the Guido van Rossum <guido@python.org> parents: 8706 diff changeset	261 char *s;
1832 79e420805c67 err_clear: clear interpreter stack trace Guido van Rossum <guido@python.org> parents: 1319 diff changeset	262 int i = errno;
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	263 #ifdef MS_WIN32
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	264 char *s_buf = NULL;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	265 #endif
2376 c31eaed7798b rename macstrerror to PyMac_StrError; no EINTR test in CW Guido van Rossum <guido@python.org> parents: 2190 diff changeset	266 #ifdef EINTR
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	267 if (i == EINTR && PyErr_CheckSignals())
390 172aa2c3e734 Check for EINTR and turn it into KeyboardInterrupt Guido van Rossum <guido@python.org> parents: 145 diff changeset	268 return NULL;
2376 c31eaed7798b rename macstrerror to PyMac_StrError; no EINTR test in CW Guido van Rossum <guido@python.org> parents: 2190 diff changeset	269 #endif
9365 c80321c328b5 When errno is zero, avoid calling strerror() and use "Error" for the Guido van Rossum <guido@python.org> parents: 8706 diff changeset	270 if (i == 0)
c80321c328b5 When errno is zero, avoid calling strerror() and use "Error" for the Guido van Rossum <guido@python.org> parents: 8706 diff changeset	271 s = "Error"; /* Sometimes errno didn't get set */
c80321c328b5 When errno is zero, avoid calling strerror() and use "Error" for the Guido van Rossum <guido@python.org> parents: 8706 diff changeset	272 else
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	273 #ifndef MS_WIN32
9365 c80321c328b5 When errno is zero, avoid calling strerror() and use "Error" for the Guido van Rossum <guido@python.org> parents: 8706 diff changeset	274 s = strerror(i);
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	275 #else
df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	276 {
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	277 /* Note that the Win32 errors do not lineup with the
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	278 errno error. So if the error is in the MSVC error
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	279 table, we use it, otherwise we assume it really _is_
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	280 a Win32 error code
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	281 */
11825 4080c7a0f1ed Mark pointed out a buglet in his patch: i < _sys_nerr isn't strong Guido van Rossum <guido@python.org> parents: 11801 diff changeset	282 if (i > 0 && i < _sys_nerr) {
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	283 s = _sys_errlist[i];
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	284 }
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	285 else {
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	286 int len = FormatMessage(
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	287 FORMAT_MESSAGE_ALLOCATE_BUFFER \|
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	288 FORMAT_MESSAGE_FROM_SYSTEM \|
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	289 FORMAT_MESSAGE_IGNORE_INSERTS,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	290 NULL, /* no message source */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	291 i,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	292 MAKELANGID(LANG_NEUTRAL,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	293 SUBLANG_DEFAULT),
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	294 /* Default language */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	295 (LPTSTR) &s_buf,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	296 0, /* size not used */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	297 NULL); /* no args */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	298 s = s_buf;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	299 /* remove trailing cr/lf and dots */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	300 while (len > 0 && (s[len-1] <= ' ' \|\| s[len-1] == '.'))
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	301 s[--len] = '\0';
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	302 }
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	303 }
df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	304 #endif
12559 3b8d9e63e4e1 PyErr_GivenExceptionMatches(): Check for err==NULL and exc==NULL and Barry Warsaw <barry@python.org> parents: 11899 diff changeset	305 if (filename != NULL)
9365 c80321c328b5 When errno is zero, avoid calling strerror() and use "Error" for the Guido van Rossum <guido@python.org> parents: 8706 diff changeset	306 v = Py_BuildValue("(iss)", i, s, filename);
8706 ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	307 else
9365 c80321c328b5 When errno is zero, avoid calling strerror() and use "Error" for the Guido van Rossum <guido@python.org> parents: 8706 diff changeset	308 v = Py_BuildValue("(is)", i, s);
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	309 if (v != NULL) {
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	310 PyErr_SetObject(exc, v);
1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	311 Py_DECREF(v);
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	312 }
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	313 #ifdef MS_WIN32
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	314 LocalFree(s_buf);
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	315 #endif
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	316 return NULL;
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	317 }
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	318
8706 ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	319
ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	320 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	321 PyErr_SetFromErrno(PyObject *exc)
8706 ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	322 {
ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	323 return PyErr_SetFromErrnoWithFilename(exc, NULL);
ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	324 }
22 2d3eb717a00d Added err_badcall(). Guido van Rossum <guido@python.org> parents: 9 diff changeset	325
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	326 #ifdef MS_WINDOWS
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	327 /* Windows specific error code handling */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	328 PyObject *PyErr_SetFromWindowsErrWithFilename(
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	329 int ierr,
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	330 const char *filename)
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	331 {
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	332 int len;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	333 char *s;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	334 PyObject *v;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	335 DWORD err = (DWORD)ierr;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	336 if (err==0) err = GetLastError();
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	337 len = FormatMessage(
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	338 /* Error API error */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	339 FORMAT_MESSAGE_ALLOCATE_BUFFER \|
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	340 FORMAT_MESSAGE_FROM_SYSTEM \|
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	341 FORMAT_MESSAGE_IGNORE_INSERTS,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	342 NULL, /* no message source */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	343 err,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	344 MAKELANGID(LANG_NEUTRAL,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	345 SUBLANG_DEFAULT), /* Default language */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	346 (LPTSTR) &s,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	347 0, /* size not used */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	348 NULL); /* no args */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	349 /* remove trailing cr/lf and dots */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	350 while (len > 0 && (s[len-1] <= ' ' \|\| s[len-1] == '.'))
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	351 s[--len] = '\0';
12559 3b8d9e63e4e1 PyErr_GivenExceptionMatches(): Check for err==NULL and exc==NULL and Barry Warsaw <barry@python.org> parents: 11899 diff changeset	352 if (filename != NULL)
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	353 v = Py_BuildValue("(iss)", err, s, filename);
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	354 else
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	355 v = Py_BuildValue("(is)", err, s);
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	356 if (v != NULL) {
11899 723efcdcce1b Mark discovered a bug in his patch: he didn't use PyExc_WindowsError Guido van Rossum <guido@python.org> parents: 11825 diff changeset	357 PyErr_SetObject(PyExc_WindowsError, v);
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	358 Py_DECREF(v);
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	359 }
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	360 LocalFree(s);
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	361 return NULL;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	362 }
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	363
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	364 PyObject *PyErr_SetFromWindowsErr(int ierr)
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	365 {
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	366 return PyErr_SetFromWindowsErrWithFilename(ierr, NULL);
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	367
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	368 }
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	369 #endif /* MS_WINDOWS */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	370
22 2d3eb717a00d Added err_badcall(). Guido van Rossum <guido@python.org> parents: 9 diff changeset	371 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	372 PyErr_BadInternalCall(void)
22 2d3eb717a00d Added err_badcall(). Guido van Rossum <guido@python.org> parents: 9 diff changeset	373 {
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	374 PyErr_SetString(PyExc_SystemError,
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	375 "bad argument to internal function");
22 2d3eb717a00d Added err_badcall(). Guido van Rossum <guido@python.org> parents: 9 diff changeset	376 }
5105 00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	377
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	378
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	379 PyObject *
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	380 PyErr_Format(PyObject exception, const char format, ...)
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	381 {
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	382 va_list vargs;
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	383 char buffer[500]; /* Caller is responsible for limiting the format */
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	384
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	385 va_start(vargs, format);
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	386
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	387 vsprintf(buffer, format, vargs);
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	388 PyErr_SetString(exception, buffer);
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	389 return NULL;
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	390 }
6319 b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	391
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	392
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	393 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	394 PyErr_NewException(char name, PyObject base, PyObject *dict)
6319 b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	395 {
6377 4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	396 char *dot;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	397 PyObject *modulename = NULL;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	398 PyObject *classname = NULL;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	399 PyObject *mydict = NULL;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	400 PyObject *bases = NULL;
6319 b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	401 PyObject *result = NULL;
6377 4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	402 dot = strrchr(name, '.');
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	403 if (dot == NULL) {
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	404 PyErr_SetString(PyExc_SystemError,
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	405 "PyErr_NewException: name must be module.class");
6319 b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	406 return NULL;
6377 4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	407 }
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	408 if (base == NULL)
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	409 base = PyExc_Exception;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	410 if (!PyClass_Check(base)) {
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	411 /* Must be using string-based standard exceptions (-X) */
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	412 return PyString_FromString(name);
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	413 }
6319 b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	414 if (dict == NULL) {
6377 4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	415 dict = mydict = PyDict_New();
6319 b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	416 if (dict == NULL)
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	417 goto failure;
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	418 }
6377 4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	419 if (PyDict_GetItemString(dict, "__module__") == NULL) {
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	420 modulename = PyString_FromStringAndSize(name, (int)(dot-name));
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	421 if (modulename == NULL)
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	422 goto failure;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	423 if (PyDict_SetItemString(dict, "__module__", modulename) != 0)
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	424 goto failure;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	425 }
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	426 classname = PyString_FromString(dot+1);
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	427 if (classname == NULL)
6319 b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	428 goto failure;
6377 4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	429 bases = Py_BuildValue("(O)", base);
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	430 if (bases == NULL)
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	431 goto failure;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	432 result = PyClass_New(bases, dict, classname);
6319 b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	433 failure:
6377 4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	434 Py_XDECREF(bases);
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	435 Py_XDECREF(mydict);
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	436 Py_XDECREF(classname);
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	437 Py_XDECREF(modulename);
6319 b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	438 return result;
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	439 }

Mercurial > cpython-lru_cache-weakref

annotate Python/errors.c @ 14066:25eea88047e9 legacy-trunk