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

annotate Python/errors.c @ 20307:aa681345bfab legacy-trunk

Implement isinstance(x, (A, B, ...)). Note that we only allow tuples, not other sequences (then we'd have to except strings, and we'd still be susceptible to recursive attacks).

author	Guido van Rossum <guido@python.org>
date	Sun, 07 Oct 2001 20:54:12 +0000
parents	abaf9ea2e560
children	d4406fbfcb4e

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;
20116 55874d8e0dfb PyErr_NormalizeException() Jeremy Hylton <jeremy@alum.mit.edu> parents: 19477 diff changeset	131 PyObject *initial_tb = NULL;
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	132
13883 15ad4088a700 Avoid dumping core when PyErr_NormalizeException() is called without Guido van Rossum <guido@python.org> parents: 13658 diff changeset	133 if (type == NULL) {
15ad4088a700 Avoid dumping core when PyErr_NormalizeException() is called without Guido van Rossum <guido@python.org> parents: 13658 diff changeset	134 /* 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	135 PyErr_SetString(PyExc_SystemError,
15ad4088a700 Avoid dumping core when PyErr_NormalizeException() is called without Guido van Rossum <guido@python.org> parents: 13658 diff changeset	136 "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	137 }
15ad4088a700 Avoid dumping core when PyErr_NormalizeException() is called without Guido van Rossum <guido@python.org> parents: 13658 diff changeset	138
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	139 /* 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	140 set to NULL.
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	141 */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	142 if (!value) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	143 value = Py_None;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	144 Py_INCREF(value);
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
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	147 if (PyInstance_Check(value))
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	148 inclass = (PyObject)((PyInstanceObject)value)->in_class;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	149
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	150 /* 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	151 value will be an instance.
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	152 */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	153 if (PyClass_Check(type)) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	154 /* 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	155 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	156 value as an argument to instantiation of the type
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	157 class.
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	158 */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	159 if (!inclass \|\| !PyClass_IsSubclass(inclass, type)) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	160 PyObject args, res;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	161
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	162 if (value == Py_None)
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	163 args = Py_BuildValue("()");
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	164 else if (PyTuple_Check(value)) {
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	165 Py_INCREF(value);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	166 args = value;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	167 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	168 else
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	169 args = Py_BuildValue("(O)", value);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	170
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	171 if (args == NULL)
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	172 goto finally;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	173 res = PyEval_CallObject(type, args);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	174 Py_DECREF(args);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	175 if (res == NULL)
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	176 goto finally;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	177 Py_DECREF(value);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	178 value = res;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	179 }
6358 9e82dd76288e PyErr_NormalizeException(): If the exception's type is a class and the Barry Warsaw <barry@python.org> parents: 6319 diff changeset	180 /* 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	181 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	182 */
9e82dd76288e PyErr_NormalizeException(): If the exception's type is a class and the Barry Warsaw <barry@python.org> parents: 6319 diff changeset	183 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	184 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	185 type = inclass;
9e82dd76288e PyErr_NormalizeException(): If the exception's type is a class and the Barry Warsaw <barry@python.org> parents: 6319 diff changeset	186 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	187 }
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	188 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	189 *exc = type;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	190 *val = value;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	191 return;
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	192 finally:
6789 bb440a2975ab Fix subtle bug in cleanup code in PyErr_NormalizeException(), detected Guido van Rossum <guido@python.org> parents: 6377 diff changeset	193 Py_DECREF(type);
bb440a2975ab Fix subtle bug in cleanup code in PyErr_NormalizeException(), detected Guido van Rossum <guido@python.org> parents: 6377 diff changeset	194 Py_DECREF(value);
20116 55874d8e0dfb PyErr_NormalizeException() Jeremy Hylton <jeremy@alum.mit.edu> parents: 19477 diff changeset	195 /* If the new exception doesn't set a traceback and the old
55874d8e0dfb PyErr_NormalizeException() Jeremy Hylton <jeremy@alum.mit.edu> parents: 19477 diff changeset	196 exception had a traceback, use the old traceback for the
55874d8e0dfb PyErr_NormalizeException() Jeremy Hylton <jeremy@alum.mit.edu> parents: 19477 diff changeset	197 new exception. It's better than nothing.
55874d8e0dfb PyErr_NormalizeException() Jeremy Hylton <jeremy@alum.mit.edu> parents: 19477 diff changeset	198 */
55874d8e0dfb PyErr_NormalizeException() Jeremy Hylton <jeremy@alum.mit.edu> parents: 19477 diff changeset	199 initial_tb = *tb;
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	200 PyErr_Fetch(exc, val, tb);
20116 55874d8e0dfb PyErr_NormalizeException() Jeremy Hylton <jeremy@alum.mit.edu> parents: 19477 diff changeset	201 if (initial_tb != NULL) {
55874d8e0dfb PyErr_NormalizeException() Jeremy Hylton <jeremy@alum.mit.edu> parents: 19477 diff changeset	202 if (*tb == NULL)
55874d8e0dfb PyErr_NormalizeException() Jeremy Hylton <jeremy@alum.mit.edu> parents: 19477 diff changeset	203 *tb = initial_tb;
55874d8e0dfb PyErr_NormalizeException() Jeremy Hylton <jeremy@alum.mit.edu> parents: 19477 diff changeset	204 else
55874d8e0dfb PyErr_NormalizeException() Jeremy Hylton <jeremy@alum.mit.edu> parents: 19477 diff changeset	205 Py_DECREF(initial_tb);
55874d8e0dfb PyErr_NormalizeException() Jeremy Hylton <jeremy@alum.mit.edu> parents: 19477 diff changeset	206 }
6146 a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	207 /* normalize recursively */
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	208 PyErr_NormalizeException(exc, val, tb);
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	209 }
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	210
a2a1df0ca808 Three new C API functions: Barry Warsaw <barry@python.org> parents: 5979 diff changeset	211
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	212 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	213 PyErr_Fetch(PyObject p_type, PyObject p_value, PyObject **p_traceback)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	214 {
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	215 PyThreadState *tstate = PyThreadState_Get();
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	216
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	217 *p_type = tstate->curexc_type;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	218 *p_value = tstate->curexc_value;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	219 *p_traceback = tstate->curexc_traceback;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	220
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	221 tstate->curexc_type = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	222 tstate->curexc_value = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	223 tstate->curexc_traceback = NULL;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	224 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	225
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	226 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	227 PyErr_Clear(void)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	228 {
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	229 PyErr_Restore(NULL, NULL, NULL);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	230 }
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	231
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	232 /* 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	233
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	234 int
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	235 PyErr_BadArgument(void)
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	236 {
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5370 diff changeset	237 PyErr_SetString(PyExc_TypeError,
15318 8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>: Fred Drake <fdrake@acm.org> parents: 15148 diff changeset	238 "bad argument type for built-in operation");
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	239 return 0;
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	240 }
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	241
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	242 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	243 PyErr_NoMemory(void)
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	244 {
14066 25eea88047e9 Do not set a MemoryError exception over another MemoryError exception, Vladimir Marangozov <vladimir.marangozov@t-online.de> parents: 13883 diff changeset	245 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	246 /* already current */
25eea88047e9 Do not set a MemoryError exception over another MemoryError exception, Vladimir Marangozov <vladimir.marangozov@t-online.de> parents: 13883 diff changeset	247 return NULL;
25eea88047e9 Do not set a MemoryError exception over another MemoryError exception, Vladimir Marangozov <vladimir.marangozov@t-online.de> parents: 13883 diff changeset	248
6190 b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	249 /* 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	250 if (PyExc_MemoryErrorInst)
b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	251 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	252 else
b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	253 /* 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	254 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	255 */
b5757e87eb32 PyErr_NoMemory(): If the pre-instantiated memory exception is non-null Barry Warsaw <barry@python.org> parents: 6146 diff changeset	256 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	257
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	258 return NULL;
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	259 }
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	260
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	261 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	262 PyErr_SetFromErrnoWithFilename(PyObject exc, char filename)
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	263 {
5370 1ea1f019268d Quickly renamed. Also removed the long comment explaining why this is Guido van Rossum <guido@python.org> parents: 5318 diff changeset	264 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	265 char *s;
1832 79e420805c67 err_clear: clear interpreter stack trace Guido van Rossum <guido@python.org> parents: 1319 diff changeset	266 int i = errno;
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	267 #ifdef MS_WIN32
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	268 char *s_buf = NULL;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	269 #endif
2376 c31eaed7798b rename macstrerror to PyMac_StrError; no EINTR test in CW Guido van Rossum <guido@python.org> parents: 2190 diff changeset	270 #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	271 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	272 return NULL;
2376 c31eaed7798b rename macstrerror to PyMac_StrError; no EINTR test in CW Guido van Rossum <guido@python.org> parents: 2190 diff changeset	273 #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	274 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	275 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	276 else
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	277 #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	278 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	279 #else
df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	280 {
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	281 /* 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	282 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	283 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	284 a Win32 error code
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	285 */
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	286 if (i > 0 && i < _sys_nerr) {
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	287 s = _sys_errlist[i];
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	288 }
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	289 else {
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	290 int len = FormatMessage(
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	291 FORMAT_MESSAGE_ALLOCATE_BUFFER \|
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	292 FORMAT_MESSAGE_FROM_SYSTEM \|
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	293 FORMAT_MESSAGE_IGNORE_INSERTS,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	294 NULL, /* no message source */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	295 i,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	296 MAKELANGID(LANG_NEUTRAL,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	297 SUBLANG_DEFAULT),
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	298 /* Default language */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	299 (LPTSTR) &s_buf,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	300 0, /* size not used */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	301 NULL); /* no args */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	302 s = s_buf;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	303 /* remove trailing cr/lf and dots */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	304 while (len > 0 && (s[len-1] <= ' ' \|\| s[len-1] == '.'))
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	305 s[--len] = '\0';
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	306 }
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	307 }
df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	308 #endif
12559 3b8d9e63e4e1 PyErr_GivenExceptionMatches(): Check for err==NULL and exc==NULL and Barry Warsaw <barry@python.org> parents: 11899 diff changeset	309 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	310 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	311 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	312 v = Py_BuildValue("(is)", i, s);
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	313 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	314 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	315 Py_DECREF(v);
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	316 }
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	317 #ifdef MS_WIN32
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	318 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	319 #endif
9 33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	320 return NULL;
33701db4ea55 Adde dconvenience functions. Guido van Rossum <guido@python.org> parents: 6 diff changeset	321 }
10638 df8a1c281ad7 Patch by Christian Tismer for Win32, to use FormatMessage() instead of Guido van Rossum <guido@python.org> parents: 9671 diff changeset	322
8706 ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	323
ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	324 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	325 PyErr_SetFromErrno(PyObject *exc)
8706 ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	326 {
ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	327 return PyErr_SetFromErrnoWithFilename(exc, NULL);
ca1c669bb041 PyErr_SetFromErrnoWithFilename(): New function which supports setting Barry Warsaw <barry@python.org> parents: 6789 diff changeset	328 }
22 2d3eb717a00d Added err_badcall(). Guido van Rossum <guido@python.org> parents: 9 diff changeset	329
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	330 #ifdef MS_WINDOWS
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	331 /* Windows specific error code handling */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	332 PyObject *PyErr_SetFromWindowsErrWithFilename(
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	333 int ierr,
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	334 const char *filename)
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	335 {
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	336 int len;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	337 char *s;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	338 PyObject *v;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	339 DWORD err = (DWORD)ierr;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	340 if (err==0) err = GetLastError();
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	341 len = FormatMessage(
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	342 /* Error API error */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	343 FORMAT_MESSAGE_ALLOCATE_BUFFER \|
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	344 FORMAT_MESSAGE_FROM_SYSTEM \|
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	345 FORMAT_MESSAGE_IGNORE_INSERTS,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	346 NULL, /* no message source */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	347 err,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	348 MAKELANGID(LANG_NEUTRAL,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	349 SUBLANG_DEFAULT), /* Default language */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	350 (LPTSTR) &s,
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	351 0, /* size not used */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	352 NULL); /* no args */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	353 /* remove trailing cr/lf and dots */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	354 while (len > 0 && (s[len-1] <= ' ' \|\| s[len-1] == '.'))
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	355 s[--len] = '\0';
12559 3b8d9e63e4e1 PyErr_GivenExceptionMatches(): Check for err==NULL and exc==NULL and Barry Warsaw <barry@python.org> parents: 11899 diff changeset	356 if (filename != NULL)
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	357 v = Py_BuildValue("(iss)", err, s, filename);
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	358 else
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	359 v = Py_BuildValue("(is)", err, s);
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	360 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	361 PyErr_SetObject(PyExc_WindowsError, v);
11801 fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	362 Py_DECREF(v);
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	363 }
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	364 LocalFree(s);
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	365 return NULL;
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	366 }
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	367
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	368 PyObject *PyErr_SetFromWindowsErr(int ierr)
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	369 {
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	370 return PyErr_SetFromWindowsErrWithFilename(ierr, NULL);
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	371 }
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	372 #endif /* MS_WINDOWS */
fe960ad3db65 Patch by Mark Hammond: Guido van Rossum <guido@python.org> parents: 10638 diff changeset	373
22 2d3eb717a00d Added err_badcall(). Guido van Rossum <guido@python.org> parents: 9 diff changeset	374 void
14170 019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	375 _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	376 {
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 "%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	379 filename, lineno);
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	380 }
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	381
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	382 /* 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	383 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	384 #undef PyErr_BadInternalCall
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	385 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	386 PyErr_BadInternalCall(void)
22 2d3eb717a00d Added err_badcall(). Guido van Rossum <guido@python.org> parents: 9 diff changeset	387 {
14170 019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	388 PyErr_Format(PyExc_SystemError,
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	389 "bad argument to internal function");
22 2d3eb717a00d Added err_badcall(). Guido van Rossum <guido@python.org> parents: 9 diff changeset	390 }
14170 019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the Fred Drake <fdrake@acm.org> parents: 14066 diff changeset	391 #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	392
5105 00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	393
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	394
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	395 PyObject *
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	396 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	397 {
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	398 va_list vargs;
14335 951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	399 PyObject* string;
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	400
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	401 #ifdef HAVE_STDARG_PROTOTYPES
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	402 va_start(vargs, format);
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	403 #else
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	404 va_start(vargs);
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	405 #endif
5105 00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	406
19477 e1c91ac55cca PyErr_Format(): Factor out most of this code into Barry Warsaw <barry@python.org> parents: 18007 diff changeset	407 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	408 PyErr_SetObject(exception, string);
951eb3af3494 code part of patch #100895 by Fredrik Lundh Jeremy Hylton <jeremy@alum.mit.edu> parents: 14330 diff changeset	409 Py_XDECREF(string);
20221 abaf9ea2e560 SF bug [#467265] Compile errors on SuSe Linux on IBM/s390. Tim Peters <tim.peters@gmail.com> parents: 20116 diff changeset	410 va_end(vargs);
5105 00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	411 return NULL;
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL. Guido van Rossum <guido@python.org> parents: 4654 diff changeset	412 }
6319 b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	413
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	414
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	415 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13578 diff changeset	416 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	417 {
6377 4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	418 char *dot;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	419 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	420 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	421 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	422 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	423 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	424 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	425 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	426 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	427 "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	428 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	429 }
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	430 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	431 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	432 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	433 /* 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	434 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	435 }
6319 b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions. Guido van Rossum <guido@python.org> parents: 6190 diff changeset	436 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	437 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	438 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	439 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	440 }
6377 4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	441 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	442 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	443 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	444 goto failure;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	445 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	446 goto failure;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	447 }
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	448 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	449 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	450 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	451 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	452 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	453 goto failure;
4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	454 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	455 failure:
6377 4cb223f29337 New version of PyErr_NewException() that is compatible with -X option. Guido van Rossum <guido@python.org> parents: 6358 diff changeset	456 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	457 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	458 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	459 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	460 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	461 }
14330 6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	462
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	463 /* 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	464 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	465 void
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	466 PyErr_WriteUnraisable(PyObject *obj)
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 PyObject f, t, v, tb;
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	469 PyErr_Fetch(&t, &v, &tb);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	470 f = PySys_GetObject("stderr");
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	471 if (f != NULL) {
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	472 PyFile_WriteString("Exception ", f);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	473 if (t) {
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	474 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	475 if (v && v != Py_None) {
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	476 PyFile_WriteString(": ", f);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	477 PyFile_WriteObject(v, f, 0);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	478 }
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	479 }
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	480 PyFile_WriteString(" in ", f);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	481 PyFile_WriteObject(obj, f, 0);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	482 PyFile_WriteString(" ignored\n", f);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	483 PyErr_Clear(); /* Just in case */
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	484 }
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	485 Py_XDECREF(t);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	486 Py_XDECREF(v);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	487 Py_XDECREF(tb);
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable Jeremy Hylton <jeremy@alum.mit.edu> parents: 14170 diff changeset	488 }
15591 36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	489
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	490
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	491 /* Function to issue a warning message; may raise an exception. */
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	492 int
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	493 PyErr_Warn(PyObject category, char message)
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	494 {
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	495 PyObject mod, dict, *func = NULL;
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	496
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	497 mod = PyImport_ImportModule("warnings");
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	498 if (mod != NULL) {
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	499 dict = PyModule_GetDict(mod);
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	500 func = PyDict_GetItemString(dict, "warn");
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	501 Py_DECREF(mod);
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	502 }
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	503 if (func == NULL) {
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	504 PySys_WriteStderr("warning: %s\n", message);
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	505 return 0;
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	506 }
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	507 else {
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	508 PyObject args, res;
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	509
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	510 if (category == NULL)
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	511 category = PyExc_RuntimeWarning;
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	512 args = Py_BuildValue("(sO)", message, category);
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	513 if (args == NULL)
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	514 return -1;
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	515 res = PyEval_CallObject(func, args);
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	516 Py_DECREF(args);
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	517 if (res == NULL)
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	518 return -1;
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	519 Py_DECREF(res);
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	520 return 0;
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	521 }
36286632ff3a Add PyErr_Warn(). Guido van Rossum <guido@python.org> parents: 15318 diff changeset	522 }
16838 09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	523
16850 2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	524
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	525 /* Warning with explicit origin */
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	526 int
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	527 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	528 char *filename, int lineno,
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	529 char module, PyObject registry)
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	530 {
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	531 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	532
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	533 mod = PyImport_ImportModule("warnings");
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	534 if (mod != NULL) {
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	535 dict = PyModule_GetDict(mod);
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	536 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	537 Py_DECREF(mod);
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	538 }
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	539 if (func == NULL) {
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	540 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	541 return 0;
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	542 }
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	543 else {
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	544 PyObject args, res;
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	545
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	546 if (category == NULL)
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	547 category = PyExc_RuntimeWarning;
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	548 if (registry == NULL)
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	549 registry = Py_None;
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	550 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	551 filename, lineno, module, registry);
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	552 if (args == NULL)
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	553 return -1;
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	554 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	555 Py_DECREF(args);
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	556 if (res == NULL)
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	557 return -1;
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	558 Py_DECREF(res);
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	559 return 0;
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	560 }
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	561 }
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	562
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	563
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with Guido van Rossum <guido@python.org> parents: 16838 diff changeset	564 /* 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	565
16838 09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	566 void
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	567 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	568 {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	569 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	570
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	571 /* 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	572 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	573 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	574 /* 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	575 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	576 if (tmp == NULL)
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	577 PyErr_Clear();
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	578 else {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	579 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	580 PyErr_Clear();
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	581 Py_DECREF(tmp);
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	582 }
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	583 if (filename != NULL) {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	584 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	585 if (tmp == NULL)
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	586 PyErr_Clear();
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	587 else {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	588 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	589 PyErr_Clear();
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	590 Py_DECREF(tmp);
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	591 }
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	592
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	593 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	594 if (tmp) {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	595 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	596 Py_DECREF(tmp);
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 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	600 }
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 /* 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	603 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	604 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	605
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	606 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	607 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	608 */
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	609
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	610 PyObject *
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	611 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	612 {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	613 FILE *fp;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	614 int i;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	615 char linebuf[1000];
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	616
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	617 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	618 return NULL;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	619 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	620 if (fp == NULL)
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	621 return NULL;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	622 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	623 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	624 do {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	625 *pLastChar = '\0';
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	626 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	627 break;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	628 /* 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	629 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	630 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	631 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	632 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	633 } 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	634 }
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	635 fclose(fp);
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	636 if (i == lineno) {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	637 char *p = linebuf;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	638 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	639 p++;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	640 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	641 }
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	642 return NULL;
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location Jeremy Hylton <jeremy@alum.mit.edu> parents: 15591 diff changeset	643 }

Mercurial > cpython-lru_cache-weakref

annotate Python/errors.c @ 20307:aa681345bfab legacy-trunk