_dbus_bindings/debug.c

   1 /* Debug code for _dbus_bindings.
   2  *
   3  * Copyright (C) 2006 Collabora Ltd. <http://www.collabora.co.uk/>
   4  *
   5  * Permission is hereby granted, free of charge, to any person
   6  * obtaining a copy of this software and associated documentation
   7  * files (the "Software"), to deal in the Software without
   8  * restriction, including without limitation the rights to use, copy,
   9  * modify, merge, publish, distribute, sublicense, and/or sell copies
  10  * of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be
  14  * included in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  20  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #include "dbus_bindings-internal.h"
  27 #include <stdlib.h>
  28
  29 void
  30 _dbus_py_assertion_failed(const char *assertion)
  31 {
  32     PyErr_SetString(PyExc_AssertionError, assertion);
  33 #if 1 || defined(USING_DBG) || defined(FATAL_ASSERTIONS)
  34     /* print the Python stack, and dump core so we can see the C stack too */
  35     PyErr_Print();
  36     abort();
  37 #endif
  38 }
  39
  40 #ifdef USING_DBG
  41 void
  42 _dbus_py_whereami(void)
  43 {
  44     PyObject *c, *v, *t;
  45     /* This is a little mad. We want to get the traceback without
  46     clearing the error indicator, if any. */
  47     PyErr_Fetch(&c, &v, &t); /* 3 new refs */
  48     Py_XINCREF(c); Py_XINCREF(v); Py_XINCREF(t); /* now we own 6 refs */
  49     PyErr_Restore(c, v, t); /* steals 3 refs */
  50
  51     if (!PyErr_Occurred()) {
  52         PyErr_SetString(PyExc_AssertionError,
  53                         "No error, but plz provide traceback kthx");
  54     }
  55     PyErr_Print();
  56
  57     PyErr_Restore(c, v, t); /* steals another 3 refs */
  58 }
  59
  60 void
  61 _dbus_py_dbg_exc(void)
  62 {
  63     PyObject *c, *v, *t;
  64     /* This is a little mad. We want to get the traceback without
  65     clearing the error indicator. */
  66     PyErr_Fetch(&c, &v, &t); /* 3 new refs */
  67     Py_XINCREF(c); Py_XINCREF(v); Py_XINCREF(t); /* now we own 6 refs */
  68     PyErr_Restore(c, v, t); /* steals 3 refs */
  69     PyErr_Print();
  70     PyErr_Restore(c, v, t); /* steals another 3 refs */
  71 }
  72
  73 void
  74 _dbus_py_dbg_dump_message(DBusMessage *message)
  75 {
  76     const char *s;
  77     fprintf(stderr, "DBusMessage at %p\n", message);
  78
  79     s = dbus_message_get_destination(message);
  80     if (!s) s = "(null)";
  81     fprintf(stderr, "\tdestination %s\n", s);
  82
  83     s = dbus_message_get_interface(message);
  84     if (!s) s = "(null)";
  85     fprintf(stderr, "\tinterface %s\n", s);
  86
  87     s = dbus_message_get_member(message);
  88     if (!s) s = "(null)";
  89     fprintf(stderr, "\tmember %s\n", s);
  90
  91     s = dbus_message_get_path(message);
  92     if (!s) s = "(null)";
  93     fprintf(stderr, "\tpath %s\n", s);
  94 }
  95 #endif