_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 program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  *
  23  */
  24
  25 #include "dbus_bindings-internal.h"
  26 #include <stdlib.h>
  27
  28 void
  29 _dbus_py_assertion_failed(const char *assertion)
  30 {
  31     PyErr_SetString(PyExc_AssertionError, assertion);
  32 #if 1 || defined(USING_DBG) || defined(FATAL_ASSERTIONS)
  33     /* print the Python stack, and dump core so we can see the C stack too */
  34     PyErr_Print();
  35     abort();
  36 #endif
  37 }
  38
  39 #ifdef USING_DBG
  40 void
  41 _dbus_py_whereami(void)
  42 {
  43     PyObject *c, *v, *t;
  44     /* This is a little mad. We want to get the traceback without
  45     clearing the error indicator, if any. */
  46     PyErr_Fetch(&c, &v, &t); /* 3 new refs */
  47     Py_XINCREF(c); Py_XINCREF(v); Py_XINCREF(t); /* now we own 6 refs */
  48     PyErr_Restore(c, v, t); /* steals 3 refs */
  49
  50     if (!PyErr_Occurred()) {
  51         PyErr_SetString(PyExc_AssertionError,
  52                         "No error, but plz provide traceback kthx");
  53     }
  54     PyErr_Print();
  55
  56     PyErr_Restore(c, v, t); /* steals another 3 refs */
  57 }
  58
  59 void
  60 _dbus_py_dbg_exc(void)
  61 {
  62     PyObject *c, *v, *t;
  63     /* This is a little mad. We want to get the traceback without
  64     clearing the error indicator. */
  65     PyErr_Fetch(&c, &v, &t); /* 3 new refs */
  66     Py_XINCREF(c); Py_XINCREF(v); Py_XINCREF(t); /* now we own 6 refs */
  67     PyErr_Restore(c, v, t); /* steals 3 refs */
  68     PyErr_Print();
  69     PyErr_Restore(c, v, t); /* steals another 3 refs */
  70 }
  71
  72 void
  73 _dbus_py_dbg_dump_message(DBusMessage *message)
  74 {
  75     const char *s;
  76     fprintf(stderr, "DBusMessage at %p\n", message);
  77
  78     s = dbus_message_get_destination(message);
  79     if (!s) s = "(null)";
  80     fprintf(stderr, "\tdestination %s\n", s);
  81
  82     s = dbus_message_get_interface(message);
  83     if (!s) s = "(null)";
  84     fprintf(stderr, "\tinterface %s\n", s);
  85
  86     s = dbus_message_get_member(message);
  87     if (!s) s = "(null)";
  88     fprintf(stderr, "\tmember %s\n", s);
  89
  90     s = dbus_message_get_path(message);
  91     if (!s) s = "(null)";
  92     fprintf(stderr, "\tpath %s\n", s);
  93 }
  94 #endif