--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/cppstdlib/inc/stdcpp_support.h Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,76 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+* Name : stdcpp_support.h
+* Part of : standard c++ library.
+*
+*
+*/
+
+
+
+#ifndef _STDCPP_SUPPORT_H_
+#define _STDCPP_SUPPORT_H_
+
+#include <exception>
+//This is required for the TRAP macro
+#include <e32cmn.h>
+// This is required for the Symbian error numbers
+#include <e32err.h>
+
+/* A utility funtion that takes a SymbianC++ error number and throws a corresponding
+C++ exception. This mapping is done based on what is mentioned in Chapter 19.1 of
+the C++ specification and Symbian's e32err.h.
+*/
+IMPORT_C void TranslateSymErrorToCppException(TInt);
+
+
+/* A utility function that takes an instance of std::exception and returns a
+corresponding SymbianC++ error number. This mapping is done based on what is
+mentioned in Chapter 19.1 of the C++ specification and Symbian's e32err.h.
+*/
+IMPORT_C TInt TranslateCppExceptionToSymError(const std::exception&);
+
+
+/* Executes the set of C++ statements _s under a trap harness and throws a suitable
+C++ exception that matches the Symbian error code.
+
+Use this macro as a C++ statement to translate a User::Leave
+
+_s can consist of multiple C++ statements; in theory, _s can consist
+of any legal C++ code but in practice, such statements consist of Symbian C++
+function calls that may leave, e.g. FooL() or an assignment of some value to
+the result of a function call, e.g. functionValue=GetFooL().
+*/
+#define TRANSLATE_SYM_CPP_LEAVES(_s) \
+ { \
+ TInt err; \
+ TRAP(err, _s); \
+ if(err) TranslateSymErrorToCppException(err); \
+ }
+
+class Symbian_error : public std::exception
+{
+public:
+ /* A Symbian specific error can be encapsulated within this object*/
+ Symbian_error(TInt e):error_code(e) {}
+
+ inline TInt error() { return error_code; }
+private:
+ TInt error_code;
+};
+
+
+#endif //STDCPP_SUPPORT_H
+