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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==*/
#ifndef hsExceptionStack_inc
#define hsExceptionStack_inc
#include "hsUtils.h"
#include "hsTypes.h"
#include "hsTemplates.h"
class hsExceptionStackDestroyer;
//
// hsExceptionStack - logs function/scope IDs added by hsStackToken
//
class hsExceptionStack
{
friend class hsExceptionStackDestroyer;
private:
hsExceptionStack() { }
public:
~hsExceptionStack() { }
static hsExceptionStack& Instance();
Int32 GetNumEntries() const { return fEntries.Count(); }
const char* GetEntry(Int32 i) const { return fEntries[i]; }
void Push(const char* str);
// After an exception is caught and stack has been displayed,
// call continue to flush stack
void Continue() { fEntries.Reset(); }
private:
static void FreeInstance();
hsTArray<const char*> fEntries;
static hsExceptionStack* fExceptionStack;
static hsExceptionStackDestroyer fExceptionStackDestroyer;
};
inline hsExceptionStack& hsExceptionStack::Instance()
{
if (!fExceptionStack)
{
fExceptionStack = TRACKED_NEW hsExceptionStack;
}
return *fExceptionStack;
}
inline void hsExceptionStack::Push(const char* str)
{
fEntries.Append(str);
}
//
// hsExceptionStackDestroyer - removes the hsExceptionStack instance
//
class hsExceptionStackDestroyer
{
public:
~hsExceptionStackDestroyer()
{
hsExceptionStack::FreeInstance();
}
};
#ifdef HS_DEBUGGING
#define HS_NO_TRY
#endif
#ifdef HS_NO_TRY
#define hsGuardBegin(X)
#define hsGuardEnd
#else // HS_NO_TRY
#define hsGuardBegin(X) { const char* guardToken = X; try {
#define hsGuardEnd } catch(...) { hsExceptionStack::Instance().Push(guardToken); throw; } }
#endif // HS_NO_TRY
#endif // hsExceptionStack_inc