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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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#ifndef hsExceptionStack_inc
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#define hsExceptionStack_inc
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#include "hsUtils.h"
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#include "hsTypes.h"
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#include "hsTemplates.h"
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class hsExceptionStackDestroyer;
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//
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// hsExceptionStack - logs function/scope IDs added by hsStackToken
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//
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class hsExceptionStack
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{
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friend class hsExceptionStackDestroyer;
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private:
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hsExceptionStack() { }
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public:
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~hsExceptionStack() { }
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static hsExceptionStack& Instance();
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Int32 GetNumEntries() const { return fEntries.Count(); }
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const char* GetEntry(Int32 i) const { return fEntries[i]; }
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void Push(const char* str);
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// After an exception is caught and stack has been displayed,
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// call continue to flush stack
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void Continue() { fEntries.Reset(); }
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private:
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static void FreeInstance();
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hsTArray<const char*> fEntries;
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static hsExceptionStack* fExceptionStack;
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static hsExceptionStackDestroyer fExceptionStackDestroyer;
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};
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inline hsExceptionStack& hsExceptionStack::Instance()
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{
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if (!fExceptionStack)
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{
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fExceptionStack = TRACKED_NEW hsExceptionStack;
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}
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return *fExceptionStack;
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}
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inline void hsExceptionStack::Push(const char* str)
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{
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fEntries.Append(str);
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}
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//
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// hsExceptionStackDestroyer - removes the hsExceptionStack instance
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//
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class hsExceptionStackDestroyer
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{
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public:
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~hsExceptionStackDestroyer()
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{
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hsExceptionStack::FreeInstance();
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}
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};
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#ifdef HS_DEBUGGING
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#define HS_NO_TRY
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#endif
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#ifdef HS_NO_TRY
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#define hsGuardBegin(X)
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#define hsGuardEnd
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#else // HS_NO_TRY
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#define hsGuardBegin(X) { const char* guardToken = X; try {
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#define hsGuardEnd } catch(...) { hsExceptionStack::Instance().Push(guardToken); throw; } }
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#endif // HS_NO_TRY
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#endif // hsExceptionStack_inc
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