_dbus_bindings/debug.c

   1 /* Debug code for _dbus_bindings.
   2  *
   3  * Copyright (C) 2006 Collabora Ltd.
   4  *
   5  * Licensed under the Academic Free License version 2.1
   6  *
   7  * This library is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU Lesser General Public License as published by
   9  * the Free Software Foundation; either version 2.1 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public License
  18  * along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  */
  22
  23 #include "dbus_bindings-internal.h"
  24 #include <stdlib.h>
  25
  26 void
  27 _dbus_py_assertion_failed(const char *assertion)
  28 {
  29     PyErr_SetString(PyExc_AssertionError, assertion);
  30 #if 1 || defined(USING_DBG) || defined(FATAL_ASSERTIONS)
  31     /* print the Python stack, and dump core so we can see the C stack too */
  32     PyErr_Print();
  33     abort();
  34 #endif
  35 }
  36
  37 #ifdef USING_DBG
  38 void
  39 _dbus_py_whereami(void)
  40 {
  41     PyObject *c, *v, *t;
  42     /* This is a little mad. We want to get the traceback without
  43     clearing the error indicator, if any. */
  44     PyErr_Fetch(&c, &v, &t); /* 3 new refs */
  45     Py_XINCREF(c); Py_XINCREF(v); Py_XINCREF(t); /* now we own 6 refs */
  46     PyErr_Restore(c, v, t); /* steals 3 refs */
  47
  48     if (!PyErr_Occurred()) {
  49         PyErr_SetString(PyExc_AssertionError,
  50                         "No error, but plz provide traceback kthx");
  51     }
  52     PyErr_Print();
  53
  54     PyErr_Restore(c, v, t); /* steals another 3 refs */
  55 }
  56
  57 void
  58 _dbus_py_dbg_exc(void)
  59 {
  60     PyObject *c, *v, *t;
  61     /* This is a little mad. We want to get the traceback without
  62     clearing the error indicator. */
  63     PyErr_Fetch(&c, &v, &t); /* 3 new refs */
  64     Py_XINCREF(c); Py_XINCREF(v); Py_XINCREF(t); /* now we own 6 refs */
  65     PyErr_Restore(c, v, t); /* steals 3 refs */
  66     PyErr_Print();
  67     PyErr_Restore(c, v, t); /* steals another 3 refs */
  68 }
  69
  70 void
  71 _dbus_py_dbg_dump_message(DBusMessage *message)
  72 {
  73     const char *s;
  74     fprintf(stderr, "DBusMessage at %p\n", message);
  75
  76     s = dbus_message_get_destination(message);
  77     if (!s) s = "(null)";
  78     fprintf(stderr, "\tdestination %s\n", s);
  79
  80     s = dbus_message_get_interface(message);
  81     if (!s) s = "(null)";
  82     fprintf(stderr, "\tinterface %s\n", s);
  83
  84     s = dbus_message_get_member(message);
  85     if (!s) s = "(null)";
  86     fprintf(stderr, "\tmember %s\n", s);
  87
  88     s = dbus_message_get_path(message);
  89     if (!s) s = "(null)";
  90     fprintf(stderr, "\tpath %s\n", s);
  91 }
  92 #endif