123

CrySystem/DebugCallStack.h

@@ -0,0 +1,93 @@
+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2001.
+// -------------------------------------------------------------------------
+//  File name:   DebugCallStack.h
+//  Version:     v1.00
+//  Created:     3/12/2001 by Timur.
+//  Compilers:   Visual C++ 6.0
+//  Description: 
+// -------------------------------------------------------------------------
+//  History:
+//
+////////////////////////////////////////////////////////////////////////////
+
+#ifndef __DebugCallStack_h__
+#define __DebugCallStack_h__
+
+#if _MSC_VER > 1000
+#pragma once
+#endif
+
+#ifdef WIN32
+
+//! Limits the maximal number of functions in call stack.
+const int MAX_DEBUG_STACK_ENTRIES = 32;
+
+struct ISystem;
+
+//!============================================================================
+//!
+//! DebugCallStack class, capture call stack information from symbol files.
+//!
+//!============================================================================
+class DebugCallStack
+{
+public:
+	// Returns single instance of DebugStack
+	static DebugCallStack*	instance();
+
+	ISystem* GetSystem() { return m_pSystem; };
+	//! Dumps Current Call Stack to log.
+	void LogCallstack();
+
+	void	updateCallStack();
+
+	//! Get current call stack information.
+	void getCallStack( std::vector<string> &functions );
+
+	void installErrorHandler( ISystem *pSystem );
+	int	 handleException( void *exception_pointer );
+
+	void dumpCallStack( std::vector<string> &functions );
+
+	//! Return name of module where exception happened.
+	const char* getExceptionModule() { return m_excModule; }
+	const char* getExceptionLine() { return m_excLine; }
+
+	typedef void (*ErrorCallback)( const char* description,const char* value );
+
+	void registerErrorCallback( ErrorCallback call );
+	void unregisterErrorCallback( ErrorCallback call );
+
+	std::list<ErrorCallback> m_errorCallbacks;
+public:
+	DebugCallStack();
+	virtual ~DebugCallStack();
+
+	bool initSymbols();
+	void doneSymbols();
+	
+	string	LookupFunctionName( void *adderss,bool fileInfo );
+	int			updateCallStack( void *exception_pointer );
+	void		FillStackTrace( DWORD64 eip,DWORD64 esp,DWORD64 ebp,PCONTEXT pContext=NULL );
+
+	static	int unhandledExceptionHandler( void *exception_pointer );
+
+	std::vector<string> m_functions;
+	static DebugCallStack* m_instance;
+
+	char m_excLine[256];
+	char m_excModule[128];
+
+	void *prevExceptionHandler;
+
+	bool	m_symbols;
+
+	ISystem *m_pSystem;
+};
+
+#endif //WIN32
+
+#endif // __DebugCallStack_h__