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

annotate Python/traceback.c @ 86974:954167ce92a3

Issue #19512: add some common identifiers to only create common strings once, instead of creating temporary Unicode string objects Add also more identifiers in pythonrun.c to avoid temporary Unicode string objets for the interactive interpreter.

author	Victor Stinner <victor.stinner@gmail.com>
date	Wed, 06 Nov 2013 22:41:44 +0100
parents	cc8c37b5b449
children	01c4a0af73cf

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"
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	10 #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	11 #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	12 #endif
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	13
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	14 #define OFF(x) offsetof(PyTracebackObject, x)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	15
83802 ef5dd5bda323 Fix compilater warnings on Windows 64-bit Victor Stinner <victor.stinner@gmail.com> parents: 78329 diff changeset	16 #define PUTS(fd, str) write(fd, str, (int)strlen(str))
78329 ff7fc6a91212 Issue #15463: the faulthandler module truncates strings to 500 characters, Victor Stinner <victor.stinner@gmail.com> parents: 78185 diff changeset	17 #define MAX_STRING_LENGTH 500
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	18 #define MAX_FRAME_DEPTH 100
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	19 #define MAX_NTHREADS 100
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	20
69148 7b8d625eb6e4 Issue #9319: Include the filename in "Non-UTF8 code ..." syntax error. Victor Stinner <victor.stinner@haypocalc.com> parents: 69102 diff changeset	21 /* Function from Parser/tokenizer.c */
7b8d625eb6e4 Issue #9319: Include the filename in "Non-UTF8 code ..." syntax error. Victor Stinner <victor.stinner@haypocalc.com> parents: 69102 diff changeset	22 extern char * PyTokenizer_FindEncodingFilename(int, PyObject *);
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	23
42593 5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	24 static PyObject *
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	25 tb_dir(PyTracebackObject *self)
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 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	28 "tb_lasti", "tb_lineno");
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	29 }
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 static PyMethodDef tb_methods[] = {
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	32 {"__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	33 {NULL, NULL, 0, NULL},
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	34 };
5391b5f8cd7a Bug #1772489: make dir() work on traceback objects again. Collin Winter <collinw@gmail.com> parents: 42591 diff changeset	35
42537 74a3c6826683 Remove support for __members__ and __methods__. There still might be Neal Norwitz <nnorwitz@gmail.com> parents: 42334 diff changeset	36 static PyMemberDef tb_memberlist[] = {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	37 {"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	38 {"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	39 {"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	40 {"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	41 {NULL} /* Sentinel */
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	42 };
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	43
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	44 static void
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	45 tb_dealloc(PyTracebackObject *tb)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	46 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	47 PyObject_GC_UnTrack(tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	48 Py_TRASHCAN_SAFE_BEGIN(tb)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	49 Py_XDECREF(tb->tb_next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	50 Py_XDECREF(tb->tb_frame);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	51 PyObject_GC_Del(tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	52 Py_TRASHCAN_SAFE_END(tb)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	53 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	54
20623 4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	55 static int
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	56 tb_traverse(PyTracebackObject tb, visitproc visit, void arg)
20623 4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	57 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	58 Py_VISIT(tb->tb_next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	59 Py_VISIT(tb->tb_frame);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	60 return 0;
20623 4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	61 }
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	62
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	63 static void
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	64 tb_clear(PyTracebackObject *tb)
20623 4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	65 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	66 Py_CLEAR(tb->tb_next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	67 Py_CLEAR(tb->tb_frame);
20623 4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	68 }
4fb7727e4f47 Make traceback objects collectable. Jeremy Hylton <jeremy@alum.mit.edu> parents: 20618 diff changeset	69
20618 57b51966a4f1 Removed two pointless and obfuscating macros. Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	70 PyTypeObject PyTraceBack_Type = {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	71 PyVarObject_HEAD_INIT(&PyType_Type, 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	72 "traceback",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	73 sizeof(PyTracebackObject),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	74 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	75 (destructor)tb_dealloc, /tp_dealloc/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	76 0, /tp_print/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	77 0, /tp_getattr/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	78 0, /tp_setattr/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	79 0, /tp_reserved/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	80 0, /tp_repr/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	81 0, /tp_as_number/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	82 0, /tp_as_sequence/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	83 0, /tp_as_mapping/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	84 0, /* tp_hash */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	85 0, /* tp_call */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	86 0, /* tp_str */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	87 PyObject_GenericGetAttr, /* tp_getattro */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	88 0, /* tp_setattro */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	89 0, /* tp_as_buffer */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	90 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	91 0, /* tp_doc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	92 (traverseproc)tb_traverse, /* tp_traverse */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	93 (inquiry)tb_clear, /* tp_clear */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	94 0, /* tp_richcompare */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	95 0, /* tp_weaklistoffset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	96 0, /* tp_iter */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	97 0, /* tp_iternext */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	98 tb_methods, /* tp_methods */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	99 tb_memberlist, /* tp_members */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	100 0, /* tp_getset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	101 0, /* tp_base */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	102 0, /* tp_dict */
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	103 };
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	104
31739 49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	105 static PyTracebackObject *
49ec0d8f08ec Moved tracebackobject to traceback.h, Closes SF Bug #497067 Nicholas Bastin <nick.bastin@gmail.com> parents: 30968 diff changeset	106 newtracebackobject(PyTracebackObject next, PyFrameObject frame)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	107 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	108 PyTracebackObject *tb;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	109 if ((next != NULL && !PyTraceBack_Check(next)) \|\|
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	110 frame == NULL \|\| !PyFrame_Check(frame)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	111 PyErr_BadInternalCall();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	112 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	113 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	114 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	115 if (tb != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	116 Py_XINCREF(next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	117 tb->tb_next = next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	118 Py_XINCREF(frame);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	119 tb->tb_frame = frame;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	120 tb->tb_lasti = frame->f_lasti;
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 55372 diff changeset	121 tb->tb_lineno = PyFrame_GetLineNumber(frame);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	122 PyObject_GC_Track(tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	123 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	124 return tb;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	125 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	126
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	127 int
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	128 PyTraceBack_Here(PyFrameObject *frame)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	129 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	130 PyThreadState *tstate = PyThreadState_GET();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	131 PyTracebackObject oldtb = (PyTracebackObject ) tstate->curexc_traceback;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	132 PyTracebackObject *tb = newtracebackobject(oldtb, frame);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	133 if (tb == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	134 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	135 tstate->curexc_traceback = (PyObject *)tb;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	136 Py_XDECREF(oldtb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	137 return 0;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	138 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	139
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	140 static PyObject *
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	141 _Py_FindSourceFile(PyObject filename, char namebuf, size_t namelen, PyObject *io)
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	142 {
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	143 Py_ssize_t i;
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	144 PyObject *binary;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	145 PyObject *v;
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	146 Py_ssize_t npath;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	147 size_t taillen;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	148 PyObject *syspath;
65536 42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	149 PyObject *path;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	150 const char* tail;
65536 42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	151 PyObject *filebytes;
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	152 const char* filepath;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	153 Py_ssize_t len;
65536 42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	154 PyObject* result;
72925 7109f31300fb Rename _Py_identifier to _Py_IDENTIFIER. Martin v. Löwis <martin@v.loewis.de> parents: 72918 diff changeset	155 _Py_IDENTIFIER(open);
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	156
65399 55ed5c524428 Issue #9713, #10114: Parser functions (eg. PyParser_ASTFromFile) expects Victor Stinner <victor.stinner@haypocalc.com> parents: 65331 diff changeset	157 filebytes = PyUnicode_EncodeFSDefault(filename);
65536 42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	158 if (filebytes == NULL) {
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	159 PyErr_Clear();
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	160 return NULL;
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	161 }
65536 42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	162 filepath = PyBytes_AS_STRING(filebytes);
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	163
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	164 /* Search tail of filename in sys.path before giving up */
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	165 tail = strrchr(filepath, SEP);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	166 if (tail == NULL)
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	167 tail = filepath;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	168 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	169 tail++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	170 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	171
86974 954167ce92a3 Issue #19512: add some common identifiers to only create common strings once, Victor Stinner <victor.stinner@gmail.com> parents: 86532 diff changeset	172 syspath = _PySys_GetObjectId(&_PyId_path);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	173 if (syspath == NULL \|\| !PyList_Check(syspath))
65536 42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	174 goto error;
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	175 npath = PyList_Size(syspath);
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	176
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	177 for (i = 0; i < npath; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	178 v = PyList_GetItem(syspath, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	179 if (v == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	180 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	181 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	182 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	183 if (!PyUnicode_Check(v))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	184 continue;
65399 55ed5c524428 Issue #9713, #10114: Parser functions (eg. PyParser_ASTFromFile) expects Victor Stinner <victor.stinner@haypocalc.com> parents: 65331 diff changeset	185 path = PyUnicode_EncodeFSDefault(v);
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	186 if (path == NULL) {
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	187 PyErr_Clear();
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	188 continue;
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	189 }
65536 42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	190 len = PyBytes_GET_SIZE(path);
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	191 if (len + 1 + (Py_ssize_t)taillen >= (Py_ssize_t)namelen - 1) {
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	192 Py_DECREF(path);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	193 continue; /* Too long */
65536 42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	194 }
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	195 strcpy(namebuf, PyBytes_AS_STRING(path));
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	196 Py_DECREF(path);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	197 if (strlen(namebuf) != len)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	198 continue; /* v contains '\0' */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	199 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	200 namebuf[len++] = SEP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	201 strcpy(namebuf+len, tail);
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	202
72835 5e33219492bc Add API for static strings, primarily good for identifiers. Martin v. Löwis <martin@v.loewis.de> parents: 72710 diff changeset	203 binary = _PyObject_CallMethodId(io, &PyId_open, "ss", namebuf, "rb");
65536 42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	204 if (binary != NULL) {
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	205 result = binary;
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	206 goto finally;
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	207 }
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	208 PyErr_Clear();
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	209 }
65536 42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	210 goto error;
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	211
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	212 error:
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	213 result = NULL;
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	214 finally:
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	215 Py_DECREF(filebytes);
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 65332 diff changeset	216 return result;
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	217 }
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
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	219 int
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	220 _Py_DisplaySourceLine(PyObject f, PyObject filename, int lineno, int indent)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	221 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	222 int err = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	223 int fd;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	224 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	225 char *found_encoding;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	226 char *encoding;
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	227 PyObject *io;
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	228 PyObject *binary;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	229 PyObject *fob = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	230 PyObject *lineobj = NULL;
65332 6296632ad2cb Merged revisions 85497 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	231 PyObject *res;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	232 char buf[MAXPATHLEN+1];
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	233 int kind;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	234 void *data;
72925 7109f31300fb Rename _Py_identifier to _Py_IDENTIFIER. Martin v. Löwis <martin@v.loewis.de> parents: 72918 diff changeset	235 _Py_IDENTIFIER(close);
7109f31300fb Rename _Py_identifier to _Py_IDENTIFIER. Martin v. Löwis <martin@v.loewis.de> parents: 72918 diff changeset	236 _Py_IDENTIFIER(open);
7109f31300fb Rename _Py_identifier to _Py_IDENTIFIER. Martin v. Löwis <martin@v.loewis.de> parents: 72918 diff changeset	237 _Py_IDENTIFIER(TextIOWrapper);
44742 14d4104976fc Merged revisions 59985-60000,60002,60005-60007,60009-60042 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44157 diff changeset	238
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	239 /* open the file */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	240 if (filename == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	241 return 0;
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	242
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	243 io = PyImport_ImportModuleNoBlock("io");
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	244 if (io == NULL)
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	245 return -1;
72835 5e33219492bc Add API for static strings, primarily good for identifiers. Martin v. Löwis <martin@v.loewis.de> parents: 72710 diff changeset	246 binary = _PyObject_CallMethodId(io, &PyId_open, "Os", filename, "rb");
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	247
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	248 if (binary == NULL) {
84647 2e42c0a39321 Issue #18408: Fix _Py_DisplaySourceLine() Victor Stinner <victor.stinner@gmail.com> parents: 83802 diff changeset	249 PyErr_Clear();
2e42c0a39321 Issue #18408: Fix _Py_DisplaySourceLine() Victor Stinner <victor.stinner@gmail.com> parents: 83802 diff changeset	250
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	251 binary = _Py_FindSourceFile(filename, buf, sizeof(buf), io);
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	252 if (binary == NULL) {
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	253 Py_DECREF(io);
84647 2e42c0a39321 Issue #18408: Fix _Py_DisplaySourceLine() Victor Stinner <victor.stinner@gmail.com> parents: 83802 diff changeset	254 return -1;
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	255 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	256 }
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	257
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	258 /* use the right encoding to decode the file as unicode */
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	259 fd = PyObject_AsFileDescriptor(binary);
84750 82e9a9f8be3c Check return value of PyObject_AsFileDescriptor() in _Py_DisplaySourceLine() for error Christian Heimes <christian@cheimes.de> parents: 78329 diff changeset	260 if (fd < 0) {
82e9a9f8be3c Check return value of PyObject_AsFileDescriptor() in _Py_DisplaySourceLine() for error Christian Heimes <christian@cheimes.de> parents: 78329 diff changeset	261 Py_DECREF(io);
82e9a9f8be3c Check return value of PyObject_AsFileDescriptor() in _Py_DisplaySourceLine() for error Christian Heimes <christian@cheimes.de> parents: 78329 diff changeset	262 Py_DECREF(binary);
84766 34ca4dd47c54 let's not return NULL from functions that should return ints Benjamin Peterson <benjamin@python.org> parents: 84757 diff changeset	263 return 0;
84750 82e9a9f8be3c Check return value of PyObject_AsFileDescriptor() in _Py_DisplaySourceLine() for error Christian Heimes <christian@cheimes.de> parents: 78329 diff changeset	264 }
69148 7b8d625eb6e4 Issue #9319: Include the filename in "Non-UTF8 code ..." syntax error. Victor Stinner <victor.stinner@haypocalc.com> parents: 69102 diff changeset	265 found_encoding = PyTokenizer_FindEncodingFilename(fd, filename);
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	266 encoding = (found_encoding != NULL) ? found_encoding : "utf-8";
84757 8fdb83492a58 Check return value of lseek() in _Py_DisplaySourceLine(). Christian Heimes <christian@cheimes.de> parents: 84750 diff changeset	267 /* Reset position */
8fdb83492a58 Check return value of lseek() in _Py_DisplaySourceLine(). Christian Heimes <christian@cheimes.de> parents: 84750 diff changeset	268 if (lseek(fd, 0, SEEK_SET) == (off_t)-1) {
8fdb83492a58 Check return value of lseek() in _Py_DisplaySourceLine(). Christian Heimes <christian@cheimes.de> parents: 84750 diff changeset	269 Py_DECREF(io);
8fdb83492a58 Check return value of lseek() in _Py_DisplaySourceLine(). Christian Heimes <christian@cheimes.de> parents: 84750 diff changeset	270 Py_DECREF(binary);
8fdb83492a58 Check return value of lseek() in _Py_DisplaySourceLine(). Christian Heimes <christian@cheimes.de> parents: 84750 diff changeset	271 PyMem_FREE(found_encoding);
84766 34ca4dd47c54 let's not return NULL from functions that should return ints Benjamin Peterson <benjamin@python.org> parents: 84757 diff changeset	272 return 0;
84757 8fdb83492a58 Check return value of lseek() in _Py_DisplaySourceLine(). Christian Heimes <christian@cheimes.de> parents: 84750 diff changeset	273 }
72835 5e33219492bc Add API for static strings, primarily good for identifiers. Martin v. Löwis <martin@v.loewis.de> parents: 72710 diff changeset	274 fob = _PyObject_CallMethodId(io, &PyId_TextIOWrapper, "Os", binary, encoding);
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	275 Py_DECREF(io);
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	276 Py_DECREF(binary);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	277 PyMem_FREE(found_encoding);
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	278
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	279 if (fob == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	280 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	281 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	282 }
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	283
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	284 /* get the line number lineno */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	285 for (i = 0; i < lineno; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	286 Py_XDECREF(lineobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	287 lineobj = PyFile_GetLine(fob, -1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	288 if (!lineobj) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	289 err = -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	290 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	291 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	292 }
72835 5e33219492bc Add API for static strings, primarily good for identifiers. Martin v. Löwis <martin@v.loewis.de> parents: 72710 diff changeset	293 res = _PyObject_CallMethodId(fob, &PyId_close, "");
65332 6296632ad2cb Merged revisions 85497 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	294 if (res)
6296632ad2cb Merged revisions 85497 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	295 Py_DECREF(res);
6296632ad2cb Merged revisions 85497 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	296 else
6296632ad2cb Merged revisions 85497 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	297 PyErr_Clear();
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	298 Py_DECREF(fob);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	299 if (!lineobj \|\| !PyUnicode_Check(lineobj)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	300 Py_XDECREF(lineobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	301 return err;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	302 }
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	303
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	304 /* remove the indentation of the line */
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	305 kind = PyUnicode_KIND(lineobj);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	306 data = PyUnicode_DATA(lineobj);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	307 for (i=0; i < PyUnicode_GET_LENGTH(lineobj); i++) {
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	308 Py_UCS4 ch = PyUnicode_READ(kind, data, i);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	309 if (ch != ' ' && ch != '\t' && ch != '\014')
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	310 break;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	311 }
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	312 if (i) {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	313 PyObject *truncated;
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	314 truncated = PyUnicode_Substring(lineobj, i, PyUnicode_GET_LENGTH(lineobj));
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	315 if (truncated) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	316 Py_DECREF(lineobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	317 lineobj = truncated;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	318 } else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	319 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	320 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	321 }
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	322
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	323 /* Write some spaces before the line */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	324 strcpy(buf, " ");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	325 assert (strlen(buf) == 10);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	326 while (indent > 0) {
84768 5607084e2204 fix spacing Benjamin Peterson <benjamin@python.org> parents: 84766 diff changeset	327 if (indent < 10)
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	328 buf[indent] = '\0';
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	329 err = PyFile_WriteString(buf, f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	330 if (err != 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	331 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	332 indent -= 10;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	333 }
48474 2ee09afee126 implement chained exception tracebacks Benjamin Peterson <benjamin@python.org> parents: 47301 diff changeset	334
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	335 /* finally display the line */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	336 if (err == 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	337 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	338 Py_DECREF(lineobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	339 if (err == 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	340 err = PyFile_WriteString("\n", f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	341 return err;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	342 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	343
5608 79e49cbce2ef PyFile_WriteString now returns an error indicator instead of calling Guido van Rossum <guido@python.org> parents: 5405 diff changeset	344 static int
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	345 tb_displayline(PyObject f, PyObject filename, int lineno, PyObject *name)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	346 {
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	347 int err;
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	348 PyObject *line;
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	349
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	350 if (filename == NULL \|\| name == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	351 return -1;
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	352 line = PyUnicode_FromFormat(" File \"%U\", line %d, in %U\n",
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	353 filename, lineno, name);
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	354 if (line == NULL)
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	355 return -1;
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	356 err = PyFile_WriteObject(line, f, Py_PRINT_RAW);
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	357 Py_DECREF(line);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	358 if (err != 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	359 return err;
78185 54524897fafc Issue #15365: Make traceback reporting ignore any errors when printing out Kristján Valur Jónsson <kristjan@ccpgames.com> parents: 73686 diff changeset	360 /* ignore errors since we can't report them, can we? */
54524897fafc Issue #15365: Make traceback reporting ignore any errors when printing out Kristján Valur Jónsson <kristjan@ccpgames.com> parents: 73686 diff changeset	361 if (_Py_DisplaySourceLine(f, filename, lineno, 4))
54524897fafc Issue #15365: Make traceback reporting ignore any errors when printing out Kristján Valur Jónsson <kristjan@ccpgames.com> parents: 73686 diff changeset	362 PyErr_Clear();
54524897fafc Issue #15365: Make traceback reporting ignore any errors when printing out Kristján Valur Jónsson <kristjan@ccpgames.com> parents: 73686 diff changeset	363 return err;
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	364 }
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	365
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	366 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	367 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	368 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	369 int err = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	370 long depth = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	371 PyTracebackObject *tb1 = tb;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	372 while (tb1 != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	373 depth++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	374 tb1 = tb1->tb_next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	375 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	376 while (tb != NULL && err == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	377 if (depth <= limit) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	378 err = tb_displayline(f,
62393 fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	379 tb->tb_frame->f_code->co_filename,
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	380 tb->tb_lineno,
fa830371c724 Merged revisions 82059,82061 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 61467 diff changeset	381 tb->tb_frame->f_code->co_name);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	382 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	383 depth--;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	384 tb = tb->tb_next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	385 if (err == 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	386 err = PyErr_CheckSignals();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	387 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	388 return err;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	389 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	390
44157 565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	391 #define PyTraceBack_LIMIT 1000
565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	392
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	393 int
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	394 PyTraceBack_Print(PyObject v, PyObject f)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	395 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	396 int err;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	397 PyObject *limitv;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	398 long limit = PyTraceBack_LIMIT;
44157 565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	399
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	400 if (v == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	401 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	402 if (!PyTraceBack_Check(v)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	403 PyErr_BadInternalCall();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	404 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	405 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	406 limitv = PySys_GetObject("tracebacklimit");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	407 if (limitv) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	408 PyObject exc_type, exc_value, *exc_tb;
44157 565012d1123d Removed another occurrence of PyInt_ExactCheck() Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	409
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	410 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	411 limit = PyLong_AsLong(limitv);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	412 if (limit == -1 && PyErr_Occurred()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	413 if (PyErr_ExceptionMatches(PyExc_OverflowError)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	414 limit = PyTraceBack_LIMIT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	415 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	416 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	417 Py_XDECREF(exc_type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	418 Py_XDECREF(exc_value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	419 Py_XDECREF(exc_tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	420 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	421 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	422 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	423 else if (limit <= 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	424 limit = PyTraceBack_LIMIT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	425 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	426 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	427 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	428 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	429 if (!err)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 51271 diff changeset	430 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	431 return err;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: diff changeset	432 }
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	433
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	434 /* Reverse a string. For example, "abcd" becomes "dcba".
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	435
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	436 This function is signal safe. */
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	437
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	438 static void
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	439 reverse_string(char *text, const size_t len)
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	440 {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	441 char tmp;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	442 size_t i, j;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	443 if (len == 0)
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	444 return;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	445 for (i=0, j=len-1; i < j; i++, j--) {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	446 tmp = text[i];
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	447 text[i] = text[j];
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	448 text[j] = tmp;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	449 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	450 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	451
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	452 /* Format an integer in range [0; 999999] to decimal,
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	453 and write it into the file fd.
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	454
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	455 This function is signal safe. */
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	456
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	457 static void
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	458 dump_decimal(int fd, int value)
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	459 {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	460 char buffer[7];
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	461 int len;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	462 if (value < 0 \|\| 999999 < value)
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	463 return;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	464 len = 0;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	465 do {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	466 buffer[len] = '0' + (value % 10);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	467 value /= 10;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	468 len++;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	469 } while (value);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	470 reverse_string(buffer, len);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	471 write(fd, buffer, len);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	472 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	473
86532 cc8c37b5b449 Issue 19306: Add extra hints to faulthandler stack dumps that they are upside down. Guido van Rossum <guido@dropbox.com> parents: 84769 diff changeset	474 /* Format an integer in range [0; 0xffffffff] to hexadecimal of 'width' digits,
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	475 and write it into the file fd.
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	476
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	477 This function is signal safe. */
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	478
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	479 static void
86532 cc8c37b5b449 Issue 19306: Add extra hints to faulthandler stack dumps that they are upside down. Guido van Rossum <guido@dropbox.com> parents: 84769 diff changeset	480 dump_hexadecimal(int fd, unsigned long value, int width)
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	481 {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	482 int len;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	483 char buffer[sizeof(unsigned long) * 2 + 1];
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	484 len = 0;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	485 do {
72918 d76338eacf7c Issue #13088: Add shared Py_hexdigits constant to format a number into base 16 Victor Stinner <victor.stinner@haypocalc.com> parents: 72835 diff changeset	486 buffer[len] = Py_hexdigits[value & 15];
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	487 value >>= 4;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	488 len++;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	489 } while (len < width \|\| value);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	490 reverse_string(buffer, len);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	491 write(fd, buffer, len);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	492 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	493
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	494 /* Write an unicode object into the file fd using ascii+backslashreplace.
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	495
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	496 This function is signal safe. */
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	497
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	498 static void
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	499 dump_ascii(int fd, PyObject *text)
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	500 {
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	501 PyASCIIObject ascii = (PyASCIIObject )text;
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	502 Py_ssize_t i, size;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	503 int truncated;
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	504 int kind;
72710 2a8ccff8f337 traceback: fix dump_ascii() for string with kind=PyUnicode_WCHAR_KIND Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	505 void *data = NULL;
2a8ccff8f337 traceback: fix dump_ascii() for string with kind=PyUnicode_WCHAR_KIND Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	506 wchar_t *wstr = NULL;
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	507 Py_UCS4 ch;
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	508
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	509 size = ascii->length;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	510 kind = ascii->state.kind;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	511 if (ascii->state.compact) {
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	512 if (ascii->state.ascii)
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	513 data = ((PyASCIIObject*)text) + 1;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	514 else
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	515 data = ((PyCompactUnicodeObject*)text) + 1;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	516 }
72710 2a8ccff8f337 traceback: fix dump_ascii() for string with kind=PyUnicode_WCHAR_KIND Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	517 else if (kind != PyUnicode_WCHAR_KIND) {
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	518 data = ((PyUnicodeObject *)text)->data.any;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	519 if (data == NULL)
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	520 return;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	521 }
72710 2a8ccff8f337 traceback: fix dump_ascii() for string with kind=PyUnicode_WCHAR_KIND Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	522 else {
2a8ccff8f337 traceback: fix dump_ascii() for string with kind=PyUnicode_WCHAR_KIND Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	523 wstr = ((PyASCIIObject *)text)->wstr;
2a8ccff8f337 traceback: fix dump_ascii() for string with kind=PyUnicode_WCHAR_KIND Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	524 if (wstr == NULL)
2a8ccff8f337 traceback: fix dump_ascii() for string with kind=PyUnicode_WCHAR_KIND Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	525 return;
2a8ccff8f337 traceback: fix dump_ascii() for string with kind=PyUnicode_WCHAR_KIND Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	526 size = ((PyCompactUnicodeObject *)text)->wstr_length;
2a8ccff8f337 traceback: fix dump_ascii() for string with kind=PyUnicode_WCHAR_KIND Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	527 }
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	528
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	529 if (MAX_STRING_LENGTH < size) {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	530 size = MAX_STRING_LENGTH;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	531 truncated = 1;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	532 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	533 else
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	534 truncated = 0;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	535
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	536 for (i=0; i < size; i++) {
72710 2a8ccff8f337 traceback: fix dump_ascii() for string with kind=PyUnicode_WCHAR_KIND Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	537 if (kind != PyUnicode_WCHAR_KIND)
2a8ccff8f337 traceback: fix dump_ascii() for string with kind=PyUnicode_WCHAR_KIND Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	538 ch = PyUnicode_READ(kind, data, i);
2a8ccff8f337 traceback: fix dump_ascii() for string with kind=PyUnicode_WCHAR_KIND Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	539 else
2a8ccff8f337 traceback: fix dump_ascii() for string with kind=PyUnicode_WCHAR_KIND Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	540 ch = wstr[i];
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	541 if (ch < 128) {
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	542 char c = (char)ch;
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	543 write(fd, &c, 1);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	544 }
73686 59dcb6249034 Remove "#ifdef Py_UNICODE_WIDE": Python is now always wide Victor Stinner <victor.stinner@haypocalc.com> parents: 72925 diff changeset	545 else if (ch < 0xff) {
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	546 PUTS(fd, "\\x");
86532 cc8c37b5b449 Issue 19306: Add extra hints to faulthandler stack dumps that they are upside down. Guido van Rossum <guido@dropbox.com> parents: 84769 diff changeset	547 dump_hexadecimal(fd, ch, 2);
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	548 }
73686 59dcb6249034 Remove "#ifdef Py_UNICODE_WIDE": Python is now always wide Victor Stinner <victor.stinner@haypocalc.com> parents: 72925 diff changeset	549 else if (ch < 0xffff) {
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	550 PUTS(fd, "\\u");
86532 cc8c37b5b449 Issue 19306: Add extra hints to faulthandler stack dumps that they are upside down. Guido van Rossum <guido@dropbox.com> parents: 84769 diff changeset	551 dump_hexadecimal(fd, ch, 4);
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	552 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	553 else {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	554 PUTS(fd, "\\U");
86532 cc8c37b5b449 Issue 19306: Add extra hints to faulthandler stack dumps that they are upside down. Guido van Rossum <guido@dropbox.com> parents: 84769 diff changeset	555 dump_hexadecimal(fd, ch, 8);
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	556 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	557 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	558 if (truncated)
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	559 PUTS(fd, "...");
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	560 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	561
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	562 /* Write a frame into the file fd: "File "xxx", line xxx in xxx".
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	563
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	564 This function is signal safe. */
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	565
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	566 static void
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	567 dump_frame(int fd, PyFrameObject *frame)
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	568 {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	569 PyCodeObject *code;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	570 int lineno;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	571
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	572 code = frame->f_code;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	573 PUTS(fd, " File ");
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	574 if (code != NULL && code->co_filename != NULL
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	575 && PyUnicode_Check(code->co_filename))
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	576 {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	577 write(fd, "\"", 1);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	578 dump_ascii(fd, code->co_filename);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	579 write(fd, "\"", 1);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	580 } else {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	581 PUTS(fd, "???");
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	582 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	583
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	584 /* PyFrame_GetLineNumber() was introduced in Python 2.7.0 and 3.2.0 */
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 69148 diff changeset	585 lineno = PyCode_Addr2Line(code, frame->f_lasti);
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	586 PUTS(fd, ", line ");
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	587 dump_decimal(fd, lineno);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	588 PUTS(fd, " in ");
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	589
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	590 if (code != NULL && code->co_name != NULL
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	591 && PyUnicode_Check(code->co_name))
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	592 dump_ascii(fd, code->co_name);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	593 else
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	594 PUTS(fd, "???");
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	595
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	596 write(fd, "\n", 1);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	597 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	598
69102 7e3ed426962f Issue #11393: _Py_DumpTraceback() writes the header even if there is no frame Victor Stinner <victor.stinner@haypocalc.com> parents: 69070 diff changeset	599 static void
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	600 dump_traceback(int fd, PyThreadState *tstate, int write_header)
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	601 {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	602 PyFrameObject *frame;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	603 unsigned int depth;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	604
69102 7e3ed426962f Issue #11393: _Py_DumpTraceback() writes the header even if there is no frame Victor Stinner <victor.stinner@haypocalc.com> parents: 69070 diff changeset	605 if (write_header)
86532 cc8c37b5b449 Issue 19306: Add extra hints to faulthandler stack dumps that they are upside down. Guido van Rossum <guido@dropbox.com> parents: 84769 diff changeset	606 PUTS(fd, "Stack (most recent call first):\n");
69102 7e3ed426962f Issue #11393: _Py_DumpTraceback() writes the header even if there is no frame Victor Stinner <victor.stinner@haypocalc.com> parents: 69070 diff changeset	607
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	608 frame = _PyThreadState_GetFrame(tstate);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	609 if (frame == NULL)
69102 7e3ed426962f Issue #11393: _Py_DumpTraceback() writes the header even if there is no frame Victor Stinner <victor.stinner@haypocalc.com> parents: 69070 diff changeset	610 return;
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	611
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	612 depth = 0;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	613 while (frame != NULL) {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	614 if (MAX_FRAME_DEPTH <= depth) {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	615 PUTS(fd, " ...\n");
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	616 break;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	617 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	618 if (!PyFrame_Check(frame))
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	619 break;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	620 dump_frame(fd, frame);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	621 frame = frame->f_back;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	622 depth++;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	623 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	624 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	625
69102 7e3ed426962f Issue #11393: _Py_DumpTraceback() writes the header even if there is no frame Victor Stinner <victor.stinner@haypocalc.com> parents: 69070 diff changeset	626 void
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	627 _Py_DumpTraceback(int fd, PyThreadState *tstate)
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	628 {
69102 7e3ed426962f Issue #11393: _Py_DumpTraceback() writes the header even if there is no frame Victor Stinner <victor.stinner@haypocalc.com> parents: 69070 diff changeset	629 dump_traceback(fd, tstate, 1);
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	630 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	631
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	632 /* Write the thread identifier into the file 'fd': "Current thread 0xHHHH:\" if
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	633 is_current is true, "Thread 0xHHHH:\n" otherwise.
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	634
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	635 This function is signal safe. */
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	636
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	637 static void
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	638 write_thread_id(int fd, PyThreadState *tstate, int is_current)
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	639 {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	640 if (is_current)
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	641 PUTS(fd, "Current thread 0x");
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	642 else
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	643 PUTS(fd, "Thread 0x");
86532 cc8c37b5b449 Issue 19306: Add extra hints to faulthandler stack dumps that they are upside down. Guido van Rossum <guido@dropbox.com> parents: 84769 diff changeset	644 dump_hexadecimal(fd, (unsigned long)tstate->thread_id, sizeof(long)*2);
cc8c37b5b449 Issue 19306: Add extra hints to faulthandler stack dumps that they are upside down. Guido van Rossum <guido@dropbox.com> parents: 84769 diff changeset	645 PUTS(fd, " (most recent call first):\n");
69070 b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	646 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	647
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	648 const char*
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	649 _Py_DumpTracebackThreads(int fd, PyInterpreterState *interp,
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	650 PyThreadState *current_thread)
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	651 {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	652 PyThreadState *tstate;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	653 unsigned int nthreads;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	654
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	655 /* Get the current interpreter from the current thread */
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	656 tstate = PyInterpreterState_ThreadHead(interp);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	657 if (tstate == NULL)
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	658 return "unable to get the thread head state";
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	659
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	660 /* Dump the traceback of each thread */
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	661 tstate = PyInterpreterState_ThreadHead(interp);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	662 nthreads = 0;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	663 do
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	664 {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	665 if (nthreads != 0)
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	666 write(fd, "\n", 1);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	667 if (nthreads >= MAX_NTHREADS) {
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	668 PUTS(fd, "...\n");
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	669 break;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	670 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	671 write_thread_id(fd, tstate, tstate == current_thread);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	672 dump_traceback(fd, tstate, 0);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	673 tstate = PyThreadState_Next(tstate);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	674 nthreads++;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	675 } while (tstate != NULL);
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	676
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	677 return NULL;
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	678 }
b0680b5a5215 Issue #11393: Add the new faulthandler module Victor Stinner <victor.stinner@haypocalc.com> parents: 68257 diff changeset	679

Mercurial > cpython-lru_cache-weakref

annotate Python/traceback.c @ 86974:954167ce92a3