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

annotate Python/traceback.c @ 62190:7ccc55811413 3.1

Merged revisions 81841 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r81841 | victor.stinner | 2010-06-08 22:46:00 +0200 (mar., 08 juin 2010) | 6 lines sys_pyfile_write() does nothing if file is NULL mywrite() falls back to the C file object if sys_pyfile_write() returns an error. This patch fixes a segfault is Py_FatalError() is called in an early stage of Python initialization. ........

author	Victor Stinner <victor.stinner@haypocalc.com>
date	Tue, 08 Jun 2010 20:50:09 +0000
parents	f197407bdba2
children	fa830371c724

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[] = {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	33 {"tb_next", T_OBJECT, OFF(tb_next), READONLY},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	34 {"tb_frame", T_OBJECT, OFF(tb_frame), READONLY},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	35 {"tb_lasti", T_INT, OFF(tb_lasti), READONLY},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	36 {"tb_lineno", T_INT, OFF(tb_lineno), READONLY},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	37 {NULL} /* Sentinel */
86 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 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	43 PyObject_GC_UnTrack(tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	44 Py_TRASHCAN_SAFE_BEGIN(tb)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	45 Py_XDECREF(tb->tb_next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	46 Py_XDECREF(tb->tb_frame);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	47 PyObject_GC_Del(tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 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 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	54 Py_VISIT(tb->tb_next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	55 Py_VISIT(tb->tb_frame);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 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 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	62 Py_CLEAR(tb->tb_next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 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 = {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	67 PyVarObject_HEAD_INIT(&PyType_Type, 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	68 "traceback",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	69 sizeof(PyTracebackObject),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	70 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	71 (destructor)tb_dealloc, /tp_dealloc/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	72 0, /tp_print/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	73 0, /tp_getattr/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	74 0, /tp_setattr/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	75 0, /tp_reserved/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	76 0, /tp_repr/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	77 0, /tp_as_number/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	78 0, /tp_as_sequence/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	79 0, /tp_as_mapping/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	80 0, /* tp_hash */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	81 0, /* tp_call */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	82 0, /* tp_str */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	83 PyObject_GenericGetAttr, /* tp_getattro */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	84 0, /* tp_setattro */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	85 0, /* tp_as_buffer */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	86 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_HAVE_GC,/* tp_flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	87 0, /* tp_doc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	88 (traverseproc)tb_traverse, /* tp_traverse */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	89 (inquiry)tb_clear, /* tp_clear */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	90 0, /* tp_richcompare */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	91 0, /* tp_weaklistoffset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	92 0, /* tp_iter */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	93 0, /* tp_iternext */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	94 tb_methods, /* tp_methods */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	95 tb_memberlist, /* tp_members */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	96 0, /* tp_getset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	97 0, /* tp_base */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 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 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	104 PyTracebackObject *tb;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	105 if ((next != NULL && !PyTraceBack_Check(next)) \|\|
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	106 frame == NULL \|\| !PyFrame_Check(frame)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	107 PyErr_BadInternalCall();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	108 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	109 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	110 tb = PyObject_GC_New(PyTracebackObject, &PyTraceBack_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	111 if (tb != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	112 Py_XINCREF(next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	113 tb->tb_next = next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	114 Py_XINCREF(frame);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	115 tb->tb_frame = frame;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	116 tb->tb_lasti = frame->f_lasti;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	117 tb->tb_lineno = PyCode_Addr2Line(frame->f_code,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	118 frame->f_lasti);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	119 PyObject_GC_Track(tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	120 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	121 return tb;
86 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
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	124 int
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	125 PyTraceBack_Here(PyFrameObject *frame)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	126 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	127 PyThreadState *tstate = PyThreadState_GET();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	128 PyTracebackObject oldtb = (PyTracebackObject ) tstate->curexc_traceback;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	129 PyTracebackObject *tb = newtracebackobject(oldtb, frame);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	130 if (tb == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	131 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	132 tstate->curexc_traceback = (PyObject *)tb;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	133 Py_XDECREF(oldtb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	134 return 0;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	135 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	136
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	137 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	138 _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	139 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	140 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	141 int fd = -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	142 PyObject *v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	143 Py_ssize_t _npath;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	144 int npath;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	145 size_t taillen;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	146 PyObject *syspath;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	147 const char* path;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	148 const char* tail;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	149 Py_ssize_t len;
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	150
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	151 /* Search tail of filename in sys.path before giving up */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	152 tail = strrchr(filename, SEP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	153 if (tail == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	154 tail = filename;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	155 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	156 tail++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	157 taillen = strlen(tail);
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	158
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	159 syspath = PySys_GetObject("path");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	160 if (syspath == NULL \|\| !PyList_Check(syspath))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	161 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	162 _npath = PyList_Size(syspath);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	163 npath = Py_SAFE_DOWNCAST(_npath, Py_ssize_t, int);
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	164
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	165 for (i = 0; i < npath; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	166 v = PyList_GetItem(syspath, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	167 if (v == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	168 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	169 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	170 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	171 if (!PyUnicode_Check(v))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	172 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	173 path = _PyUnicode_AsStringAndSize(v, &len);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	174 if (len + 1 + (Py_ssize_t)taillen >= (Py_ssize_t)namelen - 1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	175 continue; /* Too long */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	176 strcpy(namebuf, path);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	177 if (strlen(namebuf) != len)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	178 continue; /* v contains '\0' */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	179 if (len > 0 && namebuf[len-1] != SEP)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	180 namebuf[len++] = SEP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	181 strcpy(namebuf+len, tail);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	182 Py_BEGIN_ALLOW_THREADS
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	183 fd = open(namebuf, open_flags);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	184 Py_END_ALLOW_THREADS
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	185 if (0 <= fd) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	186 return fd;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	187 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	188 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	189 return -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	190 }
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	191
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	192 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	193 _Py_DisplaySourceLine(PyObject f, const char filename, int lineno, int indent)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	194 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	195 int err = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	196 int fd;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	197 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	198 char *found_encoding;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	199 char *encoding;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	200 PyObject *fob = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	201 PyObject *lineobj = 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	202 #ifdef O_BINARY
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	203 const int open_flags = O_RDONLY \| O_BINARY; /* necessary for Windows */
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	204 #else
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	205 const int open_flags = O_RDONLY;
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	206 #endif
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	207 char buf[MAXPATHLEN+1];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	208 Py_UNICODE u, p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	209 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	210
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	211 /* open the file */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	212 if (filename == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	213 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	214 Py_BEGIN_ALLOW_THREADS
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	215 fd = open(filename, open_flags);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	216 Py_END_ALLOW_THREADS
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	217 if (fd < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	218 fd = _Py_FindSourceFile(filename, buf, sizeof(buf), open_flags);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	219 if (fd < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	220 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	221 filename = buf;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	222 }
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	223
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	224 /* use the right encoding to decode the file as unicode */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	225 found_encoding = PyTokenizer_FindEncoding(fd);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	226 encoding = (found_encoding != NULL) ? found_encoding :
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	227 (char*)PyUnicode_GetDefaultEncoding();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	228 lseek(fd, 0, 0); /* Reset position */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	229 fob = PyFile_FromFd(fd, (char)filename, "r", -1, (char)encoding,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	230 NULL, NULL, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	231 PyMem_FREE(found_encoding);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	232 if (fob == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	233 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	234 close(fd);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	235 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	236 }
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	237
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	238 /* get the line number lineno */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	239 for (i = 0; i < lineno; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	240 Py_XDECREF(lineobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	241 lineobj = PyFile_GetLine(fob, -1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	242 if (!lineobj) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	243 err = -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	244 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	245 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	246 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	247 Py_DECREF(fob);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	248 if (!lineobj \|\| !PyUnicode_Check(lineobj)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	249 Py_XDECREF(lineobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	250 return err;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	251 }
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	252
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	253 /* remove the indentation of the line */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	254 u = PyUnicode_AS_UNICODE(lineobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	255 len = PyUnicode_GET_SIZE(lineobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	256 for (p=u; p == ' ' \|\| p == '\t' \|\| *p == '\014'; p++)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	257 len--;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	258 if (u != p) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	259 PyObject *truncated;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	260 truncated = PyUnicode_FromUnicode(p, len);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	261 if (truncated) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	262 Py_DECREF(lineobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	263 lineobj = truncated;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	264 } else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	265 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	266 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	267 }
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	268
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	269 /* Write some spaces before the line */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	270 strcpy(buf, " ");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	271 assert (strlen(buf) == 10);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	272 while (indent > 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	273 if(indent < 10)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	274 buf[indent] = '\0';
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	275 err = PyFile_WriteString(buf, f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	276 if (err != 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	277 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	278 indent -= 10;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	279 }
48474 2ee09afee126 implement chained exception tracebacks Benjamin Peterson <benjamin@python.org> parents: 47301 diff changeset	280
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	281 /* finally display the line */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	282 if (err == 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	283 err = PyFile_WriteObject(lineobj, f, Py_PRINT_RAW);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	284 Py_DECREF(lineobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	285 if (err == 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	286 err = PyFile_WriteString("\n", f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	287 return err;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	288 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	289
5608 79e49cbce2ef PyFile_WriteString now returns an error indicator instead of calling Guido van Rossum <guido@python.org> parents: 5405 diff changeset	290 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	291 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	292 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	293 int err = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	294 char linebuf[2000];
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	295
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	296 if (filename == NULL \|\| name == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	297 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	298 /* This is needed by Emacs' compile command */
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	299 #define FMT " File \"%.500s\", line %d, in %.500s\n"
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	300 PyOS_snprintf(linebuf, sizeof(linebuf), FMT, filename, lineno, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	301 err = PyFile_WriteString(linebuf, f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	302 if (err != 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	303 return err;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	304 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	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
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 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	308 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	309 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	310 int err = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	311 long depth = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	312 PyTracebackObject *tb1 = tb;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	313 while (tb1 != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	314 depth++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	315 tb1 = tb1->tb_next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	316 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	317 while (tb != NULL && err == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	318 if (depth <= limit) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	319 err = tb_displayline(f,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	320 _PyUnicode_AsString(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	321 tb->tb_frame->f_code->co_filename),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	322 tb->tb_lineno,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	323 _PyUnicode_AsString(tb->tb_frame->f_code->co_name));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	324 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	325 depth--;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	326 tb = tb->tb_next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	327 if (err == 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	328 err = PyErr_CheckSignals();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	329 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	330 return err;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	331 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	332
44157 565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	333 #define PyTraceBack_LIMIT 1000
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	334
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	335 int
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	336 PyTraceBack_Print(PyObject v, PyObject f)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	337 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	338 int err;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	339 PyObject *limitv;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	340 long limit = PyTraceBack_LIMIT;
44157 565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	341
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	342 if (v == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	343 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	344 if (!PyTraceBack_Check(v)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	345 PyErr_BadInternalCall();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	346 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	347 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	348 limitv = PySys_GetObject("tracebacklimit");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	349 if (limitv) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	350 PyObject exc_type, exc_value, *exc_tb;
44157 565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	351
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	352 PyErr_Fetch(&exc_type, &exc_value, &exc_tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	353 limit = PyLong_AsLong(limitv);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	354 if (limit == -1 && PyErr_Occurred()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	355 if (PyErr_ExceptionMatches(PyExc_OverflowError)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	356 limit = PyTraceBack_LIMIT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	357 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	358 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	359 Py_XDECREF(exc_type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	360 Py_XDECREF(exc_value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	361 Py_XDECREF(exc_tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	362 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	363 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	364 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	365 else if (limit <= 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	366 limit = PyTraceBack_LIMIT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	367 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	368 PyErr_Restore(exc_type, exc_value, exc_tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	369 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	370 err = PyFile_WriteString("Traceback (most recent call last):\n", f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	371 if (!err)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	372 err = tb_printinternal((PyTracebackObject *)v, f, limit);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	373 return err;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	374 }

Mercurial > cpython-lru_cache-weakref

annotate Python/traceback.c @ 62190:7ccc55811413 3.1