2 Copyright (C) 2001-2006, William Joseph.
5 This file is part of GtkRadiant.
7 GtkRadiant 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 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 GtkRadiant 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 General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GtkRadiant; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #if !defined( INCLUDED_DEBUGGING_DEBUGGING_H )
23 #define INCLUDED_DEBUGGING_DEBUGGING_H
26 /// \brief Debugging macros for fatal error/assert messages.
28 #include "stream/textstream.h"
30 #include "generic/static.h"
32 #if defined( _MSC_VER ) && defined( _M_IX86 )
33 #define DEBUGGER_BREAKPOINT() __asm { int 3 }
34 #elif defined ( __i386__ ) && defined ( __GNUC__ ) && __GNUC__ >= 2
35 #define DEBUGGER_BREAKPOINT() __asm__ __volatile__ ( "int $03" )
39 #define DEBUGGER_BREAKPOINT() raise( SIGTRAP );
43 #define STR2( x ) STR( x )
44 #define FILE_LINE __FILE__ ":" STR2( __LINE__ )
46 #if defined( _DEBUG ) || 1
50 class DebugMessageHandler
53 virtual TextOutputStream& getOutputStream() = 0;
54 virtual bool handleMessage() = 0;
57 class NullDebugMessageHandler : public NullOutputStream, public DebugMessageHandler
60 virtual TextOutputStream& getOutputStream(){
63 virtual bool handleMessage(){
68 class DefaultDebugMessageHandler : public DebugMessageHandler
71 virtual TextOutputStream& getOutputStream(){
72 return globalErrorStream();
74 virtual bool handleMessage(){
76 return false; // send debug-break
83 class DebugMessageHandlerRef : public DefaultDebugMessageHandler
85 DebugMessageHandler* m_handler;
87 DebugMessageHandlerRef()
90 void setHandler( DebugMessageHandler& handler ){
93 DebugMessageHandler& getHandler(){
98 typedef Static<DebugMessageHandlerRef> GlobalDebugMessageHandler;
100 inline DebugMessageHandler& globalDebugMessageHandler(){
101 return GlobalDebugMessageHandler::instance().getHandler();
104 #if defined( DEBUG_ASSERTS )
106 /// \brief Sends a \p message to the current debug-message-handler text-output-stream if \p condition evaluates to false.
107 #define ASSERT_MESSAGE( condition, message ) do { \
108 if ( !( condition ) ) \
110 globalDebugMessageHandler().getOutputStream() << FILE_LINE "\nassertion failure: " << message << "\n"; \
111 if ( !globalDebugMessageHandler().handleMessage() ) { DEBUGGER_BREAKPOINT(); } \
114 /// \brief Sends a \p message to the current debug-message-handler text-output-stream.
115 #define ERROR_MESSAGE( message ) do { \
116 globalDebugMessageHandler().getOutputStream() << FILE_LINE "\nruntime error: " << message << "\n"; \
117 if ( !globalDebugMessageHandler().handleMessage() ) { DEBUGGER_BREAKPOINT(); }} while ( 0 )
119 #define ASSERT_NOTNULL( ptr ) ASSERT_MESSAGE( ptr != 0, "pointer \"" # ptr "\" is null" )
123 #define ASSERT_MESSAGE( condition, message )
124 #define ERROR_MESSAGE( message )
125 #define ASSERT_NOTNULL( ptr )