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author	Terry Jan Reedy <tjreedy@udel.edu>	2016-09-30 06:53:44 (GMT)
committer	Terry Jan Reedy <tjreedy@udel.edu>	2016-09-30 06:53:44 (GMT)
commit	1813aa1a0c456d36efce87cfacf47eb89b6958e6 (patch)
tree	06a4df21b3fbd63eb923ed10db48eccb46584762 /Python/thread_foobar.h
parent	55f3ae68bb5b3d17719f9c2b85913c9a3f38adbb (diff)
download	cpython-1813aa1a0c456d36efce87cfacf47eb89b6958e6.zip cpython-1813aa1a0c456d36efce87cfacf47eb89b6958e6.tar.gz cpython-1813aa1a0c456d36efce87cfacf47eb89b6958e6.tar.bz2

Issue #25488: Stpp idle.py from adding a entry when it is a duplicate.

Also, make idlelib.idle.main() work after import idlelib.idle.

Diffstat (limited to 'Python/thread_foobar.h')

0 files changed, 0 insertions, 0 deletions

/*********************************************************** Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, The Netherlands. All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the names of Stichting Mathematisch Centrum or CWI or Corporation for National Research Initiatives or CNRI not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. While CWI is the initial source for this software, a modified version is made available by the Corporation for National Research Initiatives (CNRI) at the Internet address ftp://ftp.python.org. STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ******************************************************************/ /* Traceback implementation */ #include "Python.h" #include "compile.h" #include "frameobject.h" #include "structmember.h" #include "osdefs.h" typedef struct _tracebackobject { PyObject_HEAD struct _tracebackobject *tb_next; PyFrameObject *tb_frame; int tb_lasti; int tb_lineno; } tracebackobject; #define OFF(x) offsetof(tracebackobject, x) static struct memberlist tb_memberlist[] = { {"tb_next", T_OBJECT, OFF(tb_next)}, {"tb_frame", T_OBJECT, OFF(tb_frame)}, {"tb_lasti", T_INT, OFF(tb_lasti)}, {"tb_lineno", T_INT, OFF(tb_lineno)}, {NULL} /* Sentinel */ }; static PyObject * tb_getattr(tb, name) tracebackobject *tb; char *name; { return PyMember_Get((char *)tb, tb_memberlist, name); } static void tb_dealloc(tb) tracebackobject *tb; { Py_XDECREF(tb->tb_next); Py_XDECREF(tb->tb_frame); PyMem_DEL(tb); } #define Tracebacktype PyTraceBack_Type #define is_tracebackobject PyTraceBack_Check PyTypeObject Tracebacktype = { PyObject_HEAD_INIT(&PyType_Type) 0, "traceback", sizeof(tracebackobject), 0, (destructor)tb_dealloc, /*tp_dealloc*/ 0, /*tp_print*/ (getattrfunc)tb_getattr, /*tp_getattr*/ 0, /*tp_setattr*/ 0, /*tp_compare*/ 0, /*tp_repr*/ 0, /*tp_as_number*/ 0, /*tp_as_sequence*/ 0, /*tp_as_mapping*/ }; static tracebackobject * newtracebackobject(next, frame, lasti, lineno) tracebackobject *next; PyFrameObject *frame; int lasti, lineno; { tracebackobject *tb; if ((next != NULL && !is_tracebackobject(next)) || frame == NULL || !PyFrame_Check(frame)) { PyErr_BadInternalCall(); return NULL; } tb = PyObject_NEW(tracebackobject, &Tracebacktype); if (tb != NULL) { Py_XINCREF(next); tb->tb_next = next; Py_XINCREF(frame); tb->tb_frame = frame; tb->tb_lasti = lasti; tb->tb_lineno = lineno; } return tb; } int PyTraceBack_Here(frame) PyFrameObject *frame; { PyThreadState *tstate = frame->f_tstate; tracebackobject *oldtb = (tracebackobject *) tstate->curexc_traceback; tracebackobject *tb = newtracebackobject(oldtb, frame, frame->f_lasti, frame->f_lineno); if (tb == NULL) return -1; tstate->curexc_traceback = (PyObject *)tb; Py_XDECREF(oldtb); return 0; } static int tb_displayline(f, filename, lineno, name) PyObject *f; char *filename; int lineno; char *name; { int err = 0; FILE *xfp; char linebuf[1000]; int i; if (filename == NULL || name == NULL) return -1; #ifdef MPW /* This is needed by MPW's File and Line commands */ #define FMT " File \"%.900s\"; line %d # in %s\n" #else /* This is needed by Emacs' compile command */ #define FMT " File \"%.900s\", line %d, in %s\n" #endif xfp = fopen(filename, "r"); if (xfp == NULL) { /* Search tail of filename in sys.path before giving up */ PyObject *path; char *tail = strrchr(filename, SEP); if (tail == NULL) tail = filename; else tail++; path = PySys_GetObject("path"); if (path != NULL && PyList_Check(path)) { int npath = PyList_Size(path); int taillen = strlen(tail); char namebuf[MAXPATHLEN+1]; for (i = 0; i < npath; i++) { PyObject *v = PyList_GetItem(path, i); if (v == NULL) { PyErr_Clear(); break; } if (PyString_Check(v)) { int len; len = PyString_Size(v); if (len + 1 + taillen >= MAXPATHLEN) continue; /* Too long */ strcpy(namebuf, PyString_AsString(v)); if ((int)strlen(namebuf) != len) continue; /* v contains '\0' */ if (len > 0 && namebuf[len-1] != SEP) namebuf[len++] = SEP; strcpy(namebuf+len, tail); xfp = fopen(namebuf, "r"); if (xfp != NULL) { filename = namebuf; break; } } } } } sprintf(linebuf, FMT, filename, lineno, name); err = PyFile_WriteString(linebuf, f); if (xfp == NULL || err != 0) return err; for (i = 0; i < lineno; i++) { if (fgets(linebuf, sizeof linebuf, xfp) == NULL) break; } if (i == lineno) { char *p = linebuf; while (*p == ' ' || *p == '\t' || *p == '\014') p++; err = PyFile_WriteString(" ", f); if (err == 0) { err = PyFile_WriteString(p, f); if (err == 0 && strchr(p, '\n') == NULL) err = PyFile_WriteString("\n", f); } } fclose(xfp); return err; } static int tb_printinternal(tb, f, limit) tracebackobject *tb; PyObject *f; int limit; { int err = 0; int depth = 0; tracebackobject *tb1 = tb; while (tb1 != NULL) { depth++; tb1 = tb1->tb_next; } while (tb != NULL && err == 0) { if (depth <= limit) { if (Py_OptimizeFlag) tb->tb_lineno = PyCode_Addr2Line( tb->tb_frame->f_code, tb->tb_lasti); err = tb_displayline(f, PyString_AsString( tb->tb_frame->f_code->co_filename), tb->tb_lineno, PyString_AsString(tb->tb_frame->f_code->co_name)); } depth--; tb = tb->tb_next; if (err == 0) err = PyErr_CheckSignals(); } return err; } int PyTraceBack_Print(v, f) PyObject *v; PyObject *f; { int err; PyObject *limitv; int limit = 1000; if (v == NULL) return 0; if (!is_tracebackobject(v)) { PyErr_BadInternalCall(); return -1; } limitv = PySys_GetObject("tracebacklimit"); if (limitv && PyInt_Check(limitv)) { limit = PyInt_AsLong(limitv); if (limit <= 0) return 0; } err = PyFile_WriteString("Traceback (innermost last):\n", f); if (!err) err = tb_printinternal((tracebackobject *)v, f, limit); return err; }


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