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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
/*****************************************************************************
*
* $/Plasma20/Sources/Plasma/CoreLibExe/hsExeError.cpp
*
***/
#include "Pch.h"
#pragma hdrstop
/*****************************************************************************
*
* Private
*
***/
static bool s_skipBreak;
static CCritSect * s_critsect;
// User options
static bool s_options[kNumErrorOptions];
/*****************************************************************************
*
* Internal functions
*
***/
//===========================================================================
AUTO_INIT_FUNC(hsExeErrorInit) {
// The critical section has to be initialized
// before program startup and never freed
static byte rawMemory[sizeof CCritSect];
s_critsect = new(rawMemory) CCritSect;
}
//============================================================================
static void DoAssert (int line, const char file[], const char msg[]) {
ErrorMinimizeAppWindow();
#ifdef HS_BUILD_FOR_WIN32
if (!s_options[kErrOptNonGuiAsserts]) {
#ifdef HS_DEBUGGING
bool wasLeakChecking = ErrorSetOption(kErrOptDisableMemLeakChecking, true);
if (s_critsect)
s_critsect->Enter();
if (_CrtDbgReport(_CRT_ASSERT, file, line, NULL, msg))
DebugBreak();
if (s_critsect)
s_critsect->Leave();
(void) ErrorSetOption(kErrOptDisableMemLeakChecking, wasLeakChecking);
#else
DebugBreakIfDebuggerPresent();
#endif
}
else {
DebugMsg(msg);
DebugBreakIfDebuggerPresent();
}
#else // !HS_BUILD_FOR_WIN32
DebugMsg(msg);
DebugBreakIfDebuggerPresent();
#endif
}
/*****************************************************************************
*
* Exports
*
***/
//============================================================================
#pragma auto_inline(off)
void __cdecl ErrorFatal (int line, const char file[], const char fmt[], ...) {
char buffer[256];
va_list args;
va_start(args, fmt);
hsVsnprintf(buffer, arrsize(buffer), fmt, args);
va_end(args);
ErrorSetOption(kErrOptDisableMemLeakChecking, true);
DoAssert(line, file, buffer);
// Ensure thread crashes immediately by writing to invalid memory
* (int *) 0 = 0;
}
#pragma auto_inline()
//============================================================================
#pragma auto_inline(off)
void __cdecl ErrorAssert (int line, const char file[], const char fmt[], ...) {
char buffer[256];
va_list args;
va_start(args, fmt);
hsVsnprintf(buffer, arrsize(buffer), fmt, args);
va_end(args);
DoAssert(line, file, buffer);
}
#pragma auto_inline()
//============================================================================
void ErrorMinimizeAppWindow () {
#ifdef HS_BUILD_FOR_WIN32
// If the application's topmost window is a fullscreen
// popup window, minimize it before displaying an error
HWND appWindow = GetActiveWindow();
if ( ((GetWindowLong(appWindow, GWL_STYLE) & WS_POPUP) != 0) &&
((GetWindowLong(appWindow, GWL_EXSTYLE) & WS_EX_TOPMOST) != 0) )
SetWindowPos(
appWindow,
HWND_NOTOPMOST,
0, 0, // position
0, 0, // size
SWP_HIDEWINDOW | SWP_NOMOVE | SWP_NOSIZE
);
#endif
}
//============================================================================
bool ErrorSetOption (EErrorOption option, bool on) {
SWAP(s_options[option], on);
if (option == kErrOptDisableMemLeakChecking)
MemSetLeakChecking(on); // reverse logic, so use prev value
return on;
}
//============================================================================
bool ErrorGetOption (EErrorOption option) {
return s_options[option];
}
//============================================================================
bool DebugIsDebuggerPresent () {
bool status = false;
#ifdef HS_BUILD_FOR_WIN32
status = 0 != IsDebuggerPresent();
#endif
return status;
}
//============================================================================
void DebugBreakIfDebuggerPresent () {
#ifdef HS_DEBUGGING
// try breakpoint?
if (s_skipBreak)
return;
__try {
// break into debugger
#ifdef _M_IX86
__asm int 3
#else
__debugbreak();
#endif
}
__except(EXCEPTION_EXECUTE_HANDLER) {
// debugger not present, stop attempting breaks
s_skipBreak = true;
}
#endif
}
//============================================================================
void DebugMsgV (const char fmt[], va_list args) {
#ifdef HS_DEBUGGING
// Don't bother with debug output if no debugger attached
if (!DebugIsDebuggerPresent())
return;
char msg[512];
hsVsnprintf(msg, arrsize(msg), fmt, args);
// MsDev trashes strings with colons in them; replace with period instead
for (char * ptr = msg; *ptr; ++ptr) {
if (*ptr == ':')
*ptr = '.';
}
// Too many threads printing to OutputDebugString causes bizarre
// results in developer studio; use critsect to serialize writes
if (s_critsect)
s_critsect->Enter();
#ifdef HS_BUILD_FOR_WIN32
OutputDebugStringA(msg);
OutputDebugStringA("\n");
#else
fprintf(stdout, msg);
fprintf(stdout, "\n");
#endif
if (s_critsect)
s_critsect->Leave();
#endif
}
//============================================================================
void __cdecl DebugMsg (const char fmt[], ...) {
#ifdef HS_DEBUGGING
va_list args;
va_start(args, fmt);
DebugMsgV(fmt, args);
va_end(args);
#endif
}