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

annotate Python/traceback.c @ 60889:86fadaebcf66

Issue #8124: PySys_WriteStdout() and PySys_WriteStderr() don't execute indirectly Python signal handlers anymore because mywrite() ignores exceptions (KeyboardInterrupt).

author	Victor Stinner <victor.stinner@haypocalc.com>
date	Fri, 23 Apr 2010 12:02:30 +0000
parents	79718ee03986
children	cab14be0ada1

rev	line source
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	1
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	2 /* Traceback implementation */
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	3
5372 424922afc1bb Quickly renamed. Guido van Rossum <guido@python.org> parents: 5317 diff changeset	4 #include "Python.h"
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	5
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 31739 diff changeset	6 #include "code.h"
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	7 #include "frameobject.h"
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	8 #include "structmember.h"
674 4e2d239dc64c Move printing of filename and lineno to tb_displayline. Guido van Rossum <guido@python.org> parents: 597 diff changeset	9 #include "osdefs.h"
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	10 #include "traceback.h"
49484 0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	11 #ifdef HAVE_FCNTL_H
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	12 #include <fcntl.h>
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	13 #endif
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	14
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	15 #define OFF(x) offsetof(PyTracebackObject, x)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	16
49484 0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	17 /* Method from Parser/tokenizer.c */
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	18 extern char * PyTokenizer_FindEncoding(int);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	19
42593 5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	20 static PyObject *
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	21 tb_dir(PyTracebackObject *self)
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	22 {
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	23 return Py_BuildValue("[ssss]", "tb_frame", "tb_next",
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	24 "tb_lasti", "tb_lineno");
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	25 }
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	26
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	27 static PyMethodDef tb_methods[] = {
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	28 {"__dir__", (PyCFunction)tb_dir, METH_NOARGS},
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	29 {NULL, NULL, 0, NULL},
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	30 };
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	31
42537 74a3c6826683 Remove support for __members__ and __methods__. There still might be Neal Norwitz <nnorwitz@gmail.com> parents: 42334 diff changeset	32 static PyMemberDef tb_memberlist[] = {
74a3c6826683 Remove support for __members__ and __methods__. There still might be Neal Norwitz <nnorwitz@gmail.com> parents: 42334 diff changeset	33 {"tb_next", T_OBJECT, OFF(tb_next), READONLY},
74a3c6826683 Remove support for __members__ and __methods__. There still might be Neal Norwitz <nnorwitz@gmail.com> parents: 42334 diff changeset	34 {"tb_frame", T_OBJECT, OFF(tb_frame), READONLY},
74a3c6826683 Remove support for __members__ and __methods__. There still might be Neal Norwitz <nnorwitz@gmail.com> parents: 42334 diff changeset	35 {"tb_lasti", T_INT, OFF(tb_lasti), READONLY},
74a3c6826683 Remove support for __members__ and __methods__. There still might be Neal Norwitz <nnorwitz@gmail.com> parents: 42334 diff changeset	36 {"tb_lineno", T_INT, OFF(tb_lineno), READONLY},
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	37 {NULL} /* Sentinel */
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	38 };
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	39
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	40 static void
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	41 tb_dealloc(PyTracebackObject *tb)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	42 {
22650 2288c724fe2b Call PyObject_GC_UnTrack before putting an object on the list of trash. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 21077 diff changeset	43 PyObject_GC_UnTrack(tb);
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11294 diff changeset	44 Py_TRASHCAN_SAFE_BEGIN(tb)
5372 424922afc1bb Quickly renamed. Guido van Rossum <guido@python.org> parents: 5317 diff changeset	45 Py_XDECREF(tb->tb_next);
424922afc1bb Quickly renamed. Guido van Rossum <guido@python.org> parents: 5317 diff changeset	46 Py_XDECREF(tb->tb_frame);
20623 4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	47 PyObject_GC_Del(tb);
11999 c94247b5c355 Christian Tismer's "trashcan" patch: Guido van Rossum <guido@python.org> parents: 11294 diff changeset	48 Py_TRASHCAN_SAFE_END(tb)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	49 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	50
20623 4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	51 static int
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	52 tb_traverse(PyTracebackObject tb, visitproc visit, void arg)
20623 4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	53 {
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36877 diff changeset	54 Py_VISIT(tb->tb_next);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36877 diff changeset	55 Py_VISIT(tb->tb_frame);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36877 diff changeset	56 return 0;
20623 4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	57 }
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	58
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	59 static void
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	60 tb_clear(PyTracebackObject *tb)
20623 4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	61 {
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36877 diff changeset	62 Py_CLEAR(tb->tb_next);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36877 diff changeset	63 Py_CLEAR(tb->tb_frame);
20623 4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	64 }
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	65
20618 57b51966a4f1 Removed two pointless and obfuscating macros. Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	66 PyTypeObject PyTraceBack_Type = {
42334 e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 40737 diff changeset	67 PyVarObject_HEAD_INIT(&PyType_Type, 0)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	68 "traceback",
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	69 sizeof(PyTracebackObject),
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	70 0,
1831 216b755515e6 add function name to traceback info Guido van Rossum <guido@python.org> parents: 1425 diff changeset	71 (destructor)tb_dealloc, /tp_dealloc/
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	72 0, /tp_print/
42591 9b02128521e2 Get rid of traceback.c:tb_getattr in favor of marking the members as READONLY. Collin Winter <collinw@gmail.com> parents: 42537 diff changeset	73 0, /tp_getattr/
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	74 0, /tp_setattr/
51271 87fbbf22adf3 Merged revisions 69214 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 49924 diff changeset	75 0, /tp_reserved/
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	76 0, /tp_repr/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	77 0, /tp_as_number/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	78 0, /tp_as_sequence/
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	79 0, /tp_as_mapping/
20623 4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	80 0, /* tp_hash */
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	81 0, /* tp_call */
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	82 0, /* tp_str */
42591 9b02128521e2 Get rid of traceback.c:tb_getattr in favor of marking the members as READONLY. Collin Winter <collinw@gmail.com> parents: 42537 diff changeset	83 PyObject_GenericGetAttr, /* tp_getattro */
20623 4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	84 0, /* tp_setattro */
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	85 0, /* tp_as_buffer */
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	86 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_HAVE_GC,/* tp_flags */
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	87 0, /* tp_doc */
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	88 (traverseproc)tb_traverse, /* tp_traverse */
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	89 (inquiry)tb_clear, /* tp_clear */
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	90 0, /* tp_richcompare */
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	91 0, /* tp_weaklistoffset */
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	92 0, /* tp_iter */
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	93 0, /* tp_iternext */
42593 5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	94 tb_methods, /* tp_methods */
42591 9b02128521e2 Get rid of traceback.c:tb_getattr in favor of marking the members as READONLY. Collin Winter <collinw@gmail.com> parents: 42537 diff changeset	95 tb_memberlist, /* tp_members */
42537 74a3c6826683 Remove support for __members__ and __methods__. There still might be Neal Norwitz <nnorwitz@gmail.com> parents: 42334 diff changeset	96 0, /* tp_getset */
20623 4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	97 0, /* tp_base */
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	98 0, /* tp_dict */
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	99 };
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	100
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	101 static PyTracebackObject *
49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	102 newtracebackobject(PyTracebackObject next, PyFrameObject frame)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	103 {
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	104 PyTracebackObject *tb;
20618 57b51966a4f1 Removed two pointless and obfuscating macros. Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	105 if ((next != NULL && !PyTraceBack_Check(next)) \|\|
5372 424922afc1bb Quickly renamed. Guido van Rossum <guido@python.org> parents: 5317 diff changeset	106 frame == NULL \|\| !PyFrame_Check(frame)) {
424922afc1bb Quickly renamed. Guido van Rossum <guido@python.org> parents: 5317 diff changeset	107 PyErr_BadInternalCall();
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	108 return NULL;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	109 }
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	110 tb = PyObject_GC_New(PyTracebackObject, &PyTraceBack_Type);
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	111 if (tb != NULL) {
5372 424922afc1bb Quickly renamed. Guido van Rossum <guido@python.org> parents: 5317 diff changeset	112 Py_XINCREF(next);
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	113 tb->tb_next = next;
5372 424922afc1bb Quickly renamed. Guido van Rossum <guido@python.org> parents: 5317 diff changeset	114 Py_XINCREF(frame);
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	115 tb->tb_frame = frame;
24844 cf5928fab108 This is my patch Michael W. Hudson <mwh@python.net> parents: 23029 diff changeset	116 tb->tb_lasti = frame->f_lasti;
55372 79718ee03986 Merged revisions 72487-72488,72879 via svnmerge from Alexandre Vassalotti <alexandre@peadrop.com> parents: 51271 diff changeset	117 tb->tb_lineno = PyFrame_GetLineNumber(frame);
22650 2288c724fe2b Call PyObject_GC_UnTrack before putting an object on the list of trash. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 21077 diff changeset	118 PyObject_GC_Track(tb);
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	119 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	120 return tb;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	121 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	122
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	123 int
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	124 PyTraceBack_Here(PyFrameObject *frame)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	125 {
40737 6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from Thomas Wouters <thomas@python.org> parents: 40626 diff changeset	126 PyThreadState *tstate = PyThreadState_GET();
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	127 PyTracebackObject oldtb = (PyTracebackObject ) tstate->curexc_traceback;
49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	128 PyTracebackObject *tb = newtracebackobject(oldtb, frame);
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	129 if (tb == NULL)
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	130 return -1;
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5404 diff changeset	131 tstate->curexc_traceback = (PyObject *)tb;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: 5404 diff changeset	132 Py_XDECREF(oldtb);
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	133 return 0;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	134 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	135
49484 0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	136 static int
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	137 _Py_FindSourceFile(const char* filename, char* namebuf, size_t namelen, int open_flags)
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	138 {
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	139 int i;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	140 int fd = -1;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	141 PyObject *v;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	142 Py_ssize_t _npath;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	143 int npath;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	144 size_t taillen;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	145 PyObject *syspath;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	146 const char* path;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	147 const char* tail;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	148 Py_ssize_t len;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	149
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	150 /* Search tail of filename in sys.path before giving up */
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	151 tail = strrchr(filename, SEP);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	152 if (tail == NULL)
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	153 tail = filename;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	154 else
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	155 tail++;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	156 taillen = strlen(tail);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	157
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	158 syspath = PySys_GetObject("path");
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	159 if (syspath == NULL \|\| !PyList_Check(syspath))
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	160 return -1;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	161 _npath = PyList_Size(syspath);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	162 npath = Py_SAFE_DOWNCAST(_npath, Py_ssize_t, int);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	163
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	164 for (i = 0; i < npath; i++) {
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	165 v = PyList_GetItem(syspath, i);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	166 if (v == NULL) {
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	167 PyErr_Clear();
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	168 break;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	169 }
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	170 if (!PyUnicode_Check(v))
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	171 continue;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	172 path = _PyUnicode_AsStringAndSize(v, &len);
49924 d172dd8d9e09 Bug #4495: Fix signed/unsigned warning (both namelen and tailen should be signed, not just namelen). Raymond Hettinger <python@rcn.com> parents: 49484 diff changeset	173 if (len + 1 + (Py_ssize_t)taillen >= (Py_ssize_t)namelen - 1)
49484 0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	174 continue; /* Too long */
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	175 strcpy(namebuf, path);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	176 if (strlen(namebuf) != len)
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	177 continue; /* v contains '\0' */
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	178 if (len > 0 && namebuf[len-1] != SEP)
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	179 namebuf[len++] = SEP;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	180 strcpy(namebuf+len, tail);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	181 Py_BEGIN_ALLOW_THREADS
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	182 fd = open(namebuf, open_flags);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	183 Py_END_ALLOW_THREADS
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	184 if (0 <= fd) {
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	185 return fd;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	186 }
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	187 }
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	188 return -1;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	189 }
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	190
46430 47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	191 int
48499 de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48474 diff changeset	192 _Py_DisplaySourceLine(PyObject f, const char filename, int lineno, int indent)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	193 {
5608 79e49cbce2ef PyFile_WriteString now returns an error indicator instead of calling Guido van Rossum <guido@python.org> parents: 5405 diff changeset	194 int err = 0;
49484 0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	195 int fd;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	196 int i;
49484 0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	197 char *found_encoding;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	198 char *encoding;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	199 PyObject *fob = NULL;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	200 PyObject *lineobj = NULL;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	201 #ifdef O_BINARY
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	202 const int open_flags = O_RDONLY \| O_BINARY; /* necessary for Windows */
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	203 #else
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	204 const int open_flags = O_RDONLY;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	205 #endif
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	206 char buf[MAXPATHLEN+1];
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	207 Py_UNICODE u, p;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	208 Py_ssize_t len;
44742 14d4104976fc Merged revisions 59985-60000,60002,60005-60007,60009-60042 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44157 diff changeset	209
49484 0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	210 /* open the file */
46430 47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	211 if (filename == NULL)
49484 0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	212 return 0;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	213 Py_BEGIN_ALLOW_THREADS
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	214 fd = open(filename, open_flags);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	215 Py_END_ALLOW_THREADS
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	216 if (fd < 0) {
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	217 fd = _Py_FindSourceFile(filename, buf, sizeof(buf), open_flags);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	218 if (fd < 0)
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	219 return 0;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	220 filename = buf;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	221 }
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	222
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	223 /* use the right encoding to decode the file as unicode */
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	224 found_encoding = PyTokenizer_FindEncoding(fd);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	225 encoding = (found_encoding != NULL) ? found_encoding :
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	226 (char*)PyUnicode_GetDefaultEncoding();
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	227 lseek(fd, 0, 0); /* Reset position */
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	228 fob = PyFile_FromFd(fd, (char)filename, "r", -1, (char)encoding,
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	229 NULL, NULL, 1);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	230 PyMem_FREE(found_encoding);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	231 if (fob == NULL) {
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	232 PyErr_Clear();
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	233 close(fd);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	234 return 0;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	235 }
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	236
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	237 /* get the line number lineno */
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	238 for (i = 0; i < lineno; i++) {
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	239 Py_XDECREF(lineobj);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	240 lineobj = PyFile_GetLine(fob, -1);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	241 if (!lineobj) {
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	242 err = -1;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	243 break;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	244 }
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	245 }
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	246 Py_DECREF(fob);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	247 if (!lineobj \|\| !PyUnicode_Check(lineobj)) {
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	248 Py_XDECREF(lineobj);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	249 return err;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	250 }
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	251
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	252 /* remove the indentation of the line */
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	253 u = PyUnicode_AS_UNICODE(lineobj);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	254 len = PyUnicode_GET_SIZE(lineobj);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	255 for (p=u; p == ' ' \|\| p == '\t' \|\| *p == '\014'; p++)
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	256 len--;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	257 if (u != p) {
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	258 PyObject *truncated;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	259 truncated = PyUnicode_FromUnicode(p, len);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	260 if (truncated) {
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	261 Py_DECREF(lineobj);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	262 lineobj = truncated;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	263 } else {
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	264 PyErr_Clear();
674 4e2d239dc64c Move printing of filename and lineno to tb_displayline. Guido van Rossum <guido@python.org> parents: 597 diff changeset	265 }
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	266 }
46430 47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	267
49484 0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	268 /* Write some spaces before the line */
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	269 strcpy(buf, " ");
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	270 assert (strlen(buf) == 10);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	271 while (indent > 0) {
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	272 if(indent < 10)
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	273 buf[indent] = '\0';
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	274 err = PyFile_WriteString(buf, f);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	275 if (err != 0)
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	276 break;
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	277 indent -= 10;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	278 }
48474 2ee09afee126 implement chained exception tracebacks Benjamin Peterson <benjamin@python.org> parents: 47301 diff changeset	279
49484 0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	280 /* finally display the line */
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	281 if (err == 0)
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	282 err = PyFile_WriteObject(lineobj, f, Py_PRINT_RAW);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	283 Py_DECREF(lineobj);
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	284 if (err == 0)
0b7e023803fb Issues #2384 and #3975: Tracebacks were not correctly printed when the source file Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48660 diff changeset	285 err = PyFile_WriteString("\n", f);
5608 79e49cbce2ef PyFile_WriteString now returns an error indicator instead of calling Guido van Rossum <guido@python.org> parents: 5405 diff changeset	286 return err;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	287 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	288
5608 79e49cbce2ef PyFile_WriteString now returns an error indicator instead of calling Guido van Rossum <guido@python.org> parents: 5405 diff changeset	289 static int
46430 47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	290 tb_displayline(PyObject f, const char filename, int lineno, const char *name)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	291 {
5608 79e49cbce2ef PyFile_WriteString now returns an error indicator instead of calling Guido van Rossum <guido@python.org> parents: 5405 diff changeset	292 int err = 0;
46430 47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	293 char linebuf[2000];
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	294
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	295 if (filename == NULL \|\| name == NULL)
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	296 return -1;
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	297 /* This is needed by Emacs' compile command */
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	298 #define FMT " File \"%.500s\", line %d, in %.500s\n"
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	299 PyOS_snprintf(linebuf, sizeof(linebuf), FMT, filename, lineno, name);
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	300 err = PyFile_WriteString(linebuf, f);
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	301 if (err != 0)
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	302 return err;
48499 de0bf60f1245 Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from Georg Brandl <georg@python.org> parents: 48474 diff changeset	303 return _Py_DisplaySourceLine(f, filename, lineno, 4);
46430 47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	304 }
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	305
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	306 static int
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	307 tb_printinternal(PyTracebackObject tb, PyObject f, long limit)
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	308 {
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	309 int err = 0;
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	310 long depth = 0;
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	311 PyTracebackObject *tb1 = tb;
1425 72bddfad351a * mpzmodule.c: cast some methods to the proper type. Guido van Rossum <guido@python.org> parents: 1257 diff changeset	312 while (tb1 != NULL) {
72bddfad351a * mpzmodule.c: cast some methods to the proper type. Guido van Rossum <guido@python.org> parents: 1257 diff changeset	313 depth++;
72bddfad351a * mpzmodule.c: cast some methods to the proper type. Guido van Rossum <guido@python.org> parents: 1257 diff changeset	314 tb1 = tb1->tb_next;
72bddfad351a * mpzmodule.c: cast some methods to the proper type. Guido van Rossum <guido@python.org> parents: 1257 diff changeset	315 }
5608 79e49cbce2ef PyFile_WriteString now returns an error indicator instead of calling Guido van Rossum <guido@python.org> parents: 5405 diff changeset	316 while (tb != NULL && err == 0) {
5046 658815230546 Get the line number from PyCode_Addr2Line instead of believing Guido van Rossum <guido@python.org> parents: 4503 diff changeset	317 if (depth <= limit) {
5608 79e49cbce2ef PyFile_WriteString now returns an error indicator instead of calling Guido van Rossum <guido@python.org> parents: 5405 diff changeset	318 err = tb_displayline(f,
48660 85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and Marc-André Lemburg <mal@egenix.com> parents: 48499 diff changeset	319 _PyUnicode_AsString(
5372 424922afc1bb Quickly renamed. Guido van Rossum <guido@python.org> parents: 5317 diff changeset	320 tb->tb_frame->f_code->co_filename),
1831 216b755515e6 add function name to traceback info Guido van Rossum <guido@python.org> parents: 1425 diff changeset	321 tb->tb_lineno,
48660 85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and Marc-André Lemburg <mal@egenix.com> parents: 48499 diff changeset	322 _PyUnicode_AsString(tb->tb_frame->f_code->co_name));
5046 658815230546 Get the line number from PyCode_Addr2Line instead of believing Guido van Rossum <guido@python.org> parents: 4503 diff changeset	323 }
1425 72bddfad351a * mpzmodule.c: cast some methods to the proper type. Guido van Rossum <guido@python.org> parents: 1257 diff changeset	324 depth--;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	325 tb = tb->tb_next;
5608 79e49cbce2ef PyFile_WriteString now returns an error indicator instead of calling Guido van Rossum <guido@python.org> parents: 5405 diff changeset	326 if (err == 0)
79e49cbce2ef PyFile_WriteString now returns an error indicator instead of calling Guido van Rossum <guido@python.org> parents: 5405 diff changeset	327 err = PyErr_CheckSignals();
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	328 }
5608 79e49cbce2ef PyFile_WriteString now returns an error indicator instead of calling Guido van Rossum <guido@python.org> parents: 5405 diff changeset	329 return err;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	330 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	331
44157 565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	332 #define PyTraceBack_LIMIT 1000
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	333
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	334 int
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	335 PyTraceBack_Print(PyObject v, PyObject f)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	336 {
5608 79e49cbce2ef PyFile_WriteString now returns an error indicator instead of calling Guido van Rossum <guido@python.org> parents: 5405 diff changeset	337 int err;
5372 424922afc1bb Quickly renamed. Guido van Rossum <guido@python.org> parents: 5317 diff changeset	338 PyObject *limitv;
46430 47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44742 diff changeset	339 long limit = PyTraceBack_LIMIT;
44157 565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	340
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	341 if (v == NULL)
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	342 return 0;
20618 57b51966a4f1 Removed two pointless and obfuscating macros. Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	343 if (!PyTraceBack_Check(v)) {
5372 424922afc1bb Quickly renamed. Guido van Rossum <guido@python.org> parents: 5317 diff changeset	344 PyErr_BadInternalCall();
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	345 return -1;
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	346 }
5372 424922afc1bb Quickly renamed. Guido van Rossum <guido@python.org> parents: 5317 diff changeset	347 limitv = PySys_GetObject("tracebacklimit");
44157 565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	348 if (limitv) {
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	349 PyObject exc_type, exc_value, *exc_tb;
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	350
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	351 PyErr_Fetch(&exc_type, &exc_value, &exc_tb);
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43569 diff changeset	352 limit = PyLong_AsLong(limitv);
44157 565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	353 if (limit == -1 && PyErr_Occurred()) {
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	354 if (PyErr_ExceptionMatches(PyExc_OverflowError)) {
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	355 limit = PyTraceBack_LIMIT;
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	356 }
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	357 else {
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	358 Py_XDECREF(exc_type);
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	359 Py_XDECREF(exc_value);
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	360 Py_XDECREF(exc_tb);
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	361 return 0;
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	362 }
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	363 }
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	364 else if (limit <= 0) {
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	365 limit = PyTraceBack_LIMIT;
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	366 }
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	367 PyErr_Restore(exc_type, exc_value, exc_tb);
1425 72bddfad351a * mpzmodule.c: cast some methods to the proper type. Guido van Rossum <guido@python.org> parents: 1257 diff changeset	368 }
12137 5b5581af951c Change traceback error message to "most recent call last" from Guido van Rossum <guido@python.org> parents: 11999 diff changeset	369 err = PyFile_WriteString("Traceback (most recent call last):\n", f);
5608 79e49cbce2ef PyFile_WriteString now returns an error indicator instead of calling Guido van Rossum <guido@python.org> parents: 5405 diff changeset	370 if (!err)
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	371 err = tb_printinternal((PyTracebackObject *)v, f, limit);
5608 79e49cbce2ef PyFile_WriteString now returns an error indicator instead of calling Guido van Rossum <guido@python.org> parents: 5405 diff changeset	372 return err;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	373 }

Mercurial > cpython-lru_cache-weakref

annotate Python/traceback.c @ 60889:86fadaebcf66