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

annotate Python/errors.c @ 19477:e1c91ac55cca legacy-trunk

PyErr_Format(): Factor out most of this code into PyString_FromFormat() since it's much more generally useful than just for exceptions.

author	Barry Warsaw <barry@python.org>
date	Fri, 24 Aug 2001 18:35:23 +0000
parents	6a2e2548e6cf
children	55874d8e0dfb

rev	line source
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 90 diff changeset	1
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	2 /* Error handling */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	4 #include "Python.h"
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 66 diff changeset	5
2019 9e3469c0ed75 Added hook for better mac error messages. Jack Jansen <jack.jansen@cwi.nl> parents: 2003 diff changeset	6 #ifdef macintosh
13447 a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO. Tim Peters <tim.peters@gmail.com> parents: 13256 diff changeset	7 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	8 #undef strerror
2376 c31eaed7798b rename macstrerror to PyMac_StrError; no EINTR test in CW Guido van Rossum <guido@python.org> parents: 2190 diff changeset	9 #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	10 #endif /* macintosh */
c31eaed7798b rename macstrerror to PyMac_StrError; no EINTR test in CW Guido van Rossum <guido@python.org> parents: 2190 diff changeset	11
2502 d5978238e3ba changes in NT tests Guido van Rossum <guido@python.org> parents: 2376 diff changeset	12 #ifndef __STDC__
5318 2c4b802a3b5d Keep Microsoft VC happy. Guido van Rossum <guido@python.org> parents: 5312 diff changeset	13 #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	14 extern char *strerror(int);
2502 d5978238e3ba changes in NT tests Guido van Rossum <guido@python.org> parents: 2376 diff changeset	15 #endif
5318 2c4b802a3b5d Keep Microsoft VC happy. Guido van Rossum <guido@python.org> parents: 5312 diff changeset	16 #endif
59 433f52d1d958 Added prototype for strerror. Guido van Rossum <guido@python.org> parents: 37 diff changeset	17
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	18 #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	19 #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	20 #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	21 #endif
df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	22
14335 951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	23 #include <ctype.h>
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	24
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	25 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	26 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	27 {
9671 1d40bc25703a Use PyThreadState_GET() macro. Guido van Rossum <guido@python.org> parents: 9365 diff changeset	28 PyThreadState *tstate = PyThreadState_GET();
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	29 PyObject oldtype, oldvalue, *oldtraceback;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	30
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	31 if (traceback != NULL && !PyTraceBack_Check(traceback)) {
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	32 /* 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	33 Py_DECREF(traceback);
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	34 traceback = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	35 }
2052 d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of Guido van Rossum <guido@python.org> parents: 2019 diff changeset	36
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	37 /* 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	38 invocation through Py_XDECREF */
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	39 oldtype = tstate->curexc_type;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	40 oldvalue = tstate->curexc_value;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	41 oldtraceback = tstate->curexc_traceback;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	42
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	43 tstate->curexc_type = type;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	44 tstate->curexc_value = value;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	45 tstate->curexc_traceback = traceback;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	46
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	47 Py_XDECREF(oldtype);
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	48 Py_XDECREF(oldvalue);
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	49 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	50 }
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of Guido van Rossum <guido@python.org> parents: 2019 diff changeset	51
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of Guido van Rossum <guido@python.org> parents: 2019 diff changeset	52 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	53 PyErr_SetObject(PyObject exception, PyObject value)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	54 {
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	55 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	56 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	57 PyErr_Restore(exception, value, (PyObject *)NULL);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	58 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	59
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	60 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	61 PyErr_SetNone(PyObject *exception)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	62 {
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	63 PyErr_SetObject(exception, (PyObject *)NULL);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	64 }
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 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	67 PyErr_SetString(PyObject exception, const char string)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	68 {
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	69 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	70 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	71 Py_XDECREF(value);
6 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
1832 79e420805c67 err_clear: clear interpreter stack trace Guido van Rossum <guido@python.org> parents: 1319 diff changeset	74
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	75 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	76 PyErr_Occurred(void)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	77 {
18007 6a2e2548e6cf PyErr_Occurred(): Use PyThreadState_GET(), which saves a tiny function call Tim Peters <tim.peters@gmail.com> parents: 16997 diff changeset	78 PyThreadState *tstate = PyThreadState_GET();
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	79
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	80 return tstate->curexc_type;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	81 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	82
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	83
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	84 int
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	85 PyErr_GivenExceptionMatches(PyObject err, PyObject exc)
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	86 {
12559 3b8d9e63e4e1 PyErr_GivenExceptionMatches(): Check for err==NULL and exc==NULL and Barry Warsaw <barry@python.org> parents: 11899 diff changeset	87 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	88 /* 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	89 return 0;
3b8d9e63e4e1 PyErr_GivenExceptionMatches(): Check for err==NULL and exc==NULL and Barry Warsaw <barry@python.org> parents: 11899 diff changeset	90 }
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	91 if (PyTuple_Check(exc)) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	92 int i, n;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	93 n = PyTuple_Size(exc);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	94 for (i = 0; i < n; i++) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	95 /* Test recursively */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	96 if (PyErr_GivenExceptionMatches(
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	97 err, PyTuple_GET_ITEM(exc, i)))
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	98 {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	99 return 1;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	100 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	101 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	102 return 0;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	103 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	104 /* err might be an instance, so check its class. */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	105 if (PyInstance_Check(err))
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	106 err = (PyObject)((PyInstanceObject)err)->in_class;
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 if (PyClass_Check(err) && PyClass_Check(exc))
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	109 return PyClass_IsSubclass(err, exc);
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 return err == exc;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	112 }
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	113
6146 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 int
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	116 PyErr_ExceptionMatches(PyObject *exc)
6146 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 PyErr_GivenExceptionMatches(PyErr_Occurred(), exc);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	119 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	120
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 /* 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	123 eval_code2(), do_raise(), and PyErr_Print()
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 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	126 PyErr_NormalizeException(PyObject exc, PyObject val, PyObject **tb)
6146 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 PyObject type = exc;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	129 PyObject value = val;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	130 PyObject *inclass = NULL;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	131
13883 15ad4088a700 Avoid dumping core when PyErr_NormalizeException() is called without Guido van Rossum <guido@python.org> parents: 13658 diff changeset	132 if (type == NULL) {
15ad4088a700 Avoid dumping core when PyErr_NormalizeException() is called without Guido van Rossum <guido@python.org> parents: 13658 diff changeset	133 /* 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	134 PyErr_SetString(PyExc_SystemError,
15ad4088a700 Avoid dumping core when PyErr_NormalizeException() is called without Guido van Rossum <guido@python.org> parents: 13658 diff changeset	135 "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	136 }
15ad4088a700 Avoid dumping core when PyErr_NormalizeException() is called without Guido van Rossum <guido@python.org> parents: 13658 diff changeset	137
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	138 /* 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	139 set to NULL.
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	140 */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	141 if (!value) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	142 value = Py_None;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	143 Py_INCREF(value);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	144 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	145
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	146 if (PyInstance_Check(value))
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	147 inclass = (PyObject)((PyInstanceObject)value)->in_class;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	148
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	149 /* 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	150 value will be an instance.
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 if (PyClass_Check(type)) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	153 /* 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	154 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	155 value as an argument to instantiation of the type
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	156 class.
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	157 */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	158 if (!inclass \|\| !PyClass_IsSubclass(inclass, type)) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	159 PyObject args, res;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	160
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	161 if (value == Py_None)
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	162 args = Py_BuildValue("()");
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	163 else if (PyTuple_Check(value)) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	164 Py_INCREF(value);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	165 args = value;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	166 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	167 else
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	168 args = Py_BuildValue("(O)", value);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	169
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	170 if (args == NULL)
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	171 goto finally;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	172 res = PyEval_CallObject(type, args);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	173 Py_DECREF(args);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	174 if (res == NULL)
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	175 goto finally;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	176 Py_DECREF(value);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	177 value = res;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	178 }
6358 9e82dd76288e PyErr_NormalizeException(): If the exception's type is a class and the Barry Warsaw <barry@python.org> parents: 6319 diff changeset	179 /* 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	180 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	181 */
9e82dd76288e PyErr_NormalizeException(): If the exception's type is a class and the Barry Warsaw <barry@python.org> parents: 6319 diff changeset	182 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	183 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	184 type = inclass;
9e82dd76288e PyErr_NormalizeException(): If the exception's type is a class and the Barry Warsaw <barry@python.org> parents: 6319 diff changeset	185 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	186 }
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	187 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	188 *exc = type;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	189 *val = value;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	190 return;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	191 finally:
6789 bb440a2975ab Fix subtle bug in cleanup code in PyErr_NormalizeException(), detected Guido van Rossum <guido@python.org> parents: 6377 diff changeset	192 Py_DECREF(type);
bb440a2975ab Fix subtle bug in cleanup code in PyErr_NormalizeException(), detected Guido van Rossum <guido@python.org> parents: 6377 diff changeset	193 Py_DECREF(value);
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	194 Py_XDECREF(*tb);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	195 PyErr_Fetch(exc, val, tb);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	196 /* normalize recursively */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	197 PyErr_NormalizeException(exc, val, tb);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	198 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	199
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	200
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	201 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	202 PyErr_Fetch(PyObject p_type, PyObject p_value, PyObject **p_traceback)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	203 {
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	204 PyThreadState *tstate = PyThreadState_Get();
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	205
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	206 *p_type = tstate->curexc_type;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	207 *p_value = tstate->curexc_value;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	208 *p_traceback = tstate->curexc_traceback;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	209
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	210 tstate->curexc_type = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	211 tstate->curexc_value = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	212 tstate->curexc_traceback = NULL;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	213 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	214
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	215 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	216 PyErr_Clear(void)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	217 {
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	218 PyErr_Restore(NULL, NULL, NULL);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	219 }
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	220
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	221 /* 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	222
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	223 int
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	224 PyErr_BadArgument(void)
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	225 {
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	226 PyErr_SetString(PyExc_TypeError,
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15148 diff changeset	227 "bad argument type for built-in operation");
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	228 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
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	231 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	232 PyErr_NoMemory(void)
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	233 {
14066 25eea88047e9 Do not set a MemoryError exception over another MemoryError exception, Vladimir Marangozov <vladimir.marangozov@t-online.de> parents: 13883 diff changeset	234 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	235 /* already current */
25eea88047e9 Do not set a MemoryError exception over another MemoryError exception, Vladimir Marangozov <vladimir.marangozov@t-online.de> parents: 13883 diff changeset	236 return NULL;
25eea88047e9 Do not set a MemoryError exception over another MemoryError exception, Vladimir Marangozov <vladimir.marangozov@t-online.de> parents: 13883 diff changeset	237
6190 b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	238 /* 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	239 if (PyExc_MemoryErrorInst)
b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	240 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	241 else
b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	242 /* 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	243 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	244 */
b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	245 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	246
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	247 return NULL;
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	248 }
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	249
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	250 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	251 PyErr_SetFromErrnoWithFilename(PyObject exc, char filename)
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	252 {
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	253 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	254 char *s;
1832 79e420805c67 err_clear: clear interpreter stack trace Guido van Rossum <guido@python.org> parents: 1319 diff changeset	255 int i = errno;
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	256 #ifdef MS_WIN32
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	257 char *s_buf = NULL;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	258 #endif
2376 c31eaed7798b rename macstrerror to PyMac_StrError; no EINTR test in CW Guido van Rossum <guido@python.org> parents: 2190 diff changeset	259 #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	260 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	261 return NULL;
2376 c31eaed7798b rename macstrerror to PyMac_StrError; no EINTR test in CW Guido van Rossum <guido@python.org> parents: 2190 diff changeset	262 #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	263 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	264 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	265 else
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	266 #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	267 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	268 #else
df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	269 {
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	270 /* 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	271 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	272 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	273 a Win32 error code
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	274 */
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	275 if (i > 0 && i < _sys_nerr) {
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	276 s = _sys_errlist[i];
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	277 }
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	278 else {
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	279 int len = FormatMessage(
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	280 FORMAT_MESSAGE_ALLOCATE_BUFFER \|
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	281 FORMAT_MESSAGE_FROM_SYSTEM \|
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	282 FORMAT_MESSAGE_IGNORE_INSERTS,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	283 NULL, /* no message source */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	284 i,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	285 MAKELANGID(LANG_NEUTRAL,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	286 SUBLANG_DEFAULT),
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	287 /* Default language */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	288 (LPTSTR) &s_buf,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	289 0, /* size not used */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	290 NULL); /* no args */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	291 s = s_buf;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	292 /* remove trailing cr/lf and dots */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	293 while (len > 0 && (s[len-1] <= ' ' \|\| s[len-1] == '.'))
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	294 s[--len] = '\0';
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	295 }
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	296 }
df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	297 #endif
12559 3b8d9e63e4e1 PyErr_GivenExceptionMatches(): Check for err==NULL and exc==NULL and Barry Warsaw <barry@python.org> parents: 11899 diff changeset	298 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	299 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	300 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	301 v = Py_BuildValue("(is)", i, s);
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	302 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	303 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	304 Py_DECREF(v);
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	305 }
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	306 #ifdef MS_WIN32
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	307 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	308 #endif
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	309 return NULL;
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	310 }
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	311
8706 ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	312
ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	313 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	314 PyErr_SetFromErrno(PyObject *exc)
8706 ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	315 {
ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	316 return PyErr_SetFromErrnoWithFilename(exc, NULL);
ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	317 }
22 2d3eb717a00d Added err_badcall(). Guido van Rossum <guido@python.org> parents: 9 diff changeset	318
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	319 #ifdef MS_WINDOWS
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	320 /* Windows specific error code handling */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	321 PyObject *PyErr_SetFromWindowsErrWithFilename(
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	322 int ierr,
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	323 const char *filename)
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	324 {
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	325 int len;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	326 char *s;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	327 PyObject *v;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	328 DWORD err = (DWORD)ierr;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	329 if (err==0) err = GetLastError();
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	330 len = FormatMessage(
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	331 /* Error API error */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	332 FORMAT_MESSAGE_ALLOCATE_BUFFER \|
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	333 FORMAT_MESSAGE_FROM_SYSTEM \|
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	334 FORMAT_MESSAGE_IGNORE_INSERTS,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	335 NULL, /* no message source */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	336 err,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	337 MAKELANGID(LANG_NEUTRAL,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	338 SUBLANG_DEFAULT), /* Default language */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	339 (LPTSTR) &s,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	340 0, /* size not used */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	341 NULL); /* no args */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	342 /* remove trailing cr/lf and dots */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	343 while (len > 0 && (s[len-1] <= ' ' \|\| s[len-1] == '.'))
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	344 s[--len] = '\0';
12559 3b8d9e63e4e1 PyErr_GivenExceptionMatches(): Check for err==NULL and exc==NULL and Barry Warsaw <barry@python.org> parents: 11899 diff changeset	345 if (filename != NULL)
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	346 v = Py_BuildValue("(iss)", err, s, filename);
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	347 else
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	348 v = Py_BuildValue("(is)", err, s);
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	349 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	350 PyErr_SetObject(PyExc_WindowsError, v);
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	351 Py_DECREF(v);
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	352 }
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	353 LocalFree(s);
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	354 return NULL;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	355 }
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	356
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	357 PyObject *PyErr_SetFromWindowsErr(int ierr)
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	358 {
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	359 return PyErr_SetFromWindowsErrWithFilename(ierr, NULL);
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	360 }
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	361 #endif /* MS_WINDOWS */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	362
22 2d3eb717a00d Added err_badcall(). Guido van Rossum <guido@python.org> parents: 9 diff changeset	363 void
14170 019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	364 _PyErr_BadInternalCall(char *filename, int lineno)
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	365 {
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	366 PyErr_Format(PyExc_SystemError,
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	367 "%s:%d: bad argument to internal function",
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	368 filename, lineno);
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	369 }
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	370
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	371 /* Remove the preprocessor macro for PyErr_BadInternalCall() so that we can
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	372 export the entry point for existing object code: */
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	373 #undef PyErr_BadInternalCall
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	374 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	375 PyErr_BadInternalCall(void)
22 2d3eb717a00d Added err_badcall(). Guido van Rossum <guido@python.org> parents: 9 diff changeset	376 {
14170 019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	377 PyErr_Format(PyExc_SystemError,
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	378 "bad argument to internal function");
22 2d3eb717a00d Added err_badcall(). Guido van Rossum <guido@python.org> parents: 9 diff changeset	379 }
14170 019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	380 #define PyErr_BadInternalCall() _PyErr_BadInternalCall(__FILE__, __LINE__)
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	381
5105 00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	382
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	383
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	384 PyObject *
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	385 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	386 {
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	387 va_list vargs;
14335 951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	388 PyObject* string;
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	389
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	390 #ifdef HAVE_STDARG_PROTOTYPES
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	391 va_start(vargs, format);
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	392 #else
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	393 va_start(vargs);
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	394 #endif
5105 00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	395
19477 e1c91ac55cca PyErr_Format(): Factor out most of this code into Barry Warsaw <barry@python.org> parents: 18007 diff changeset	396 string = PyString_FromFormatV(format, vargs);
14335 951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	397 PyErr_SetObject(exception, string);
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	398 Py_XDECREF(string);
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	399
5105 00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	400 return NULL;
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	401 }
6319 b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	402
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	403
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	404 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	405 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	406 {
6377 4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	407 char *dot;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	408 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	409 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	410 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	411 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	412 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	413 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	414 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	415 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	416 "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	417 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	418 }
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	419 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	420 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	421 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	422 /* 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	423 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	424 }
6319 b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	425 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	426 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	427 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	428 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	429 }
6377 4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	430 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	431 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	432 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	433 goto failure;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	434 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	435 goto failure;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	436 }
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	437 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	438 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	439 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	440 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	441 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	442 goto failure;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	443 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	444 failure:
6377 4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	445 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	446 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	447 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	448 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	449 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	450 }
14330 6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	451
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	452 /* Call when an exception has occurred but there is no way for Python
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	453 to handle it. Examples: exception in __del__ or during GC. */
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	454 void
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	455 PyErr_WriteUnraisable(PyObject *obj)
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	456 {
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	457 PyObject f, t, v, tb;
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	458 PyErr_Fetch(&t, &v, &tb);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	459 f = PySys_GetObject("stderr");
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	460 if (f != NULL) {
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	461 PyFile_WriteString("Exception ", f);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	462 if (t) {
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	463 PyFile_WriteObject(t, f, Py_PRINT_RAW);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	464 if (v && v != Py_None) {
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	465 PyFile_WriteString(": ", f);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	466 PyFile_WriteObject(v, f, 0);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	467 }
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	468 }
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	469 PyFile_WriteString(" in ", f);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	470 PyFile_WriteObject(obj, f, 0);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	471 PyFile_WriteString(" ignored\n", f);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	472 PyErr_Clear(); /* Just in case */
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	473 }
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	474 Py_XDECREF(t);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	475 Py_XDECREF(v);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	476 Py_XDECREF(tb);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	477 }
15591 36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	478
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	479
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	480 /* Function to issue a warning message; may raise an exception. */
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	481 int
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	482 PyErr_Warn(PyObject category, char message)
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	483 {
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	484 PyObject mod, dict, *func = NULL;
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	485
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	486 mod = PyImport_ImportModule("warnings");
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	487 if (mod != NULL) {
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	488 dict = PyModule_GetDict(mod);
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	489 func = PyDict_GetItemString(dict, "warn");
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	490 Py_DECREF(mod);
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	491 }
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	492 if (func == NULL) {
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	493 PySys_WriteStderr("warning: %s\n", message);
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	494 return 0;
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	495 }
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	496 else {
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	497 PyObject args, res;
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	498
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	499 if (category == NULL)
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	500 category = PyExc_RuntimeWarning;
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	501 args = Py_BuildValue("(sO)", message, category);
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	502 if (args == NULL)
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	503 return -1;
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	504 res = PyEval_CallObject(func, args);
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	505 Py_DECREF(args);
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	506 if (res == NULL)
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	507 return -1;
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	508 Py_DECREF(res);
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	509 return 0;
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	510 }
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	511 }
16838 09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	512
16850 2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	513
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	514 /* Warning with explicit origin */
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	515 int
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	516 PyErr_WarnExplicit(PyObject category, char message,
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	517 char *filename, int lineno,
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	518 char module, PyObject registry)
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	519 {
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	520 PyObject mod, dict, *func = NULL;
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	521
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	522 mod = PyImport_ImportModule("warnings");
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	523 if (mod != NULL) {
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	524 dict = PyModule_GetDict(mod);
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	525 func = PyDict_GetItemString(dict, "warn_explicit");
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	526 Py_DECREF(mod);
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	527 }
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	528 if (func == NULL) {
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	529 PySys_WriteStderr("warning: %s\n", message);
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	530 return 0;
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	531 }
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	532 else {
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	533 PyObject args, res;
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	534
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	535 if (category == NULL)
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	536 category = PyExc_RuntimeWarning;
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	537 if (registry == NULL)
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	538 registry = Py_None;
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	539 args = Py_BuildValue("(sOsizO)", message, category,
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	540 filename, lineno, module, registry);
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	541 if (args == NULL)
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	542 return -1;
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	543 res = PyEval_CallObject(func, args);
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	544 Py_DECREF(args);
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	545 if (res == NULL)
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	546 return -1;
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	547 Py_DECREF(res);
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	548 return 0;
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	549 }
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	550 }
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	551
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	552
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	553 /* XXX There's a comment missing here */
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	554
16838 09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	555 void
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	556 PyErr_SyntaxLocation(char *filename, int lineno)
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	557 {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	558 PyObject exc, v, tb, tmp;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	559
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	560 /* add attributes for the line number and filename for the error */
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	561 PyErr_Fetch(&exc, &v, &tb);
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	562 PyErr_NormalizeException(&exc, &v, &tb);
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	563 /* XXX check that it is, indeed, a syntax error */
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	564 tmp = PyInt_FromLong(lineno);
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	565 if (tmp == NULL)
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	566 PyErr_Clear();
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	567 else {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	568 if (PyObject_SetAttrString(v, "lineno", tmp))
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	569 PyErr_Clear();
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	570 Py_DECREF(tmp);
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	571 }
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	572 if (filename != NULL) {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	573 tmp = PyString_FromString(filename);
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	574 if (tmp == NULL)
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	575 PyErr_Clear();
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	576 else {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	577 if (PyObject_SetAttrString(v, "filename", tmp))
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	578 PyErr_Clear();
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	579 Py_DECREF(tmp);
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	580 }
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	581
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	582 tmp = PyErr_ProgramText(filename, lineno);
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	583 if (tmp) {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	584 PyObject_SetAttrString(v, "text", tmp);
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	585 Py_DECREF(tmp);
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	586 }
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	587 }
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	588 PyErr_Restore(exc, v, tb);
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	589 }
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	590
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	591 /* com_fetch_program_text will attempt to load the line of text that
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	592 the exception refers to. If it fails, it will return NULL but will
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	593 not set an exception.
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	594
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	595 XXX The functionality of this function is quite similar to the
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	596 functionality in tb_displayline() in traceback.c.
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	597 */
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	598
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	599 PyObject *
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	600 PyErr_ProgramText(char *filename, int lineno)
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	601 {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	602 FILE *fp;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	603 int i;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	604 char linebuf[1000];
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	605
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	606 if (filename == NULL \|\| lineno <= 0)
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	607 return NULL;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	608 fp = fopen(filename, "r");
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	609 if (fp == NULL)
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	610 return NULL;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	611 for (i = 0; i < lineno; i++) {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	612 char *pLastChar = &linebuf[sizeof(linebuf) - 2];
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	613 do {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	614 *pLastChar = '\0';
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	615 if (fgets(linebuf, sizeof linebuf, fp) == NULL)
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	616 break;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	617 /* fgets read something; if it didn't get as
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	618 far as pLastChar, it must have found a newline
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	619 or hit the end of the file; if pLastChar is \n,
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	620 it obviously found a newline; else we haven't
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	621 yet seen a newline, so must continue */
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	622 } while (pLastChar != '\0' && pLastChar != '\n');
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	623 }
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	624 fclose(fp);
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	625 if (i == lineno) {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	626 char *p = linebuf;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	627 while (p == ' ' \|\| p == '\t' \|\| *p == '\014')
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	628 p++;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	629 return PyString_FromString(p);
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	630 }
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	631 return NULL;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	632 }

Mercurial > cpython-lru_cache-weakref

annotate Python/errors.c @ 19477:e1c91ac55cca legacy-trunk