--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commsfwtools/commstools/utracedecoder/src/messagedefparser/constprocessor.cpp	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,93 @@
+// Copyright (c) 2007-2009 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:
+//
+
+#include "messagedefparser\constprocessor.h"
+#include "messagedefparser\initialstate.h"
+#include "messagedefparser\definitiontokenizer.h"
+#include "util.h"
+
+namespace Parser
+{
+
+void CConstProcessor::ProcessState()
+    {
+    Tokens::TTokenType tokenType = CurrentTokenType();
+    iResult = Parser::EUnexpectedToken;
+
+    switch (iInternalState)
+        {
+        case EStateExpectConstIdentifier:
+            // Expect an identifier for the new const
+            if (tokenType == Tokens::EIdentifier)
+                {
+                CreateTempConst();
+                }
+            break;
+
+        case EStateExpectEquals:
+            if (tokenType == Tokens::EEquals)
+                {
+                iInternalState = EStateExpectValue;
+                iResult = Parser::ENoError;
+                }
+            break;
+
+        case EStateExpectValue:
+            {
+            // Expect a value formatted as decimal or hex
+            if (tokenType == Tokens::ENumberHex)
+                {
+                iIdentifier->iValue = HexToVal(CurrentToken());
+                CommitConst();
+                }
+            else if (tokenType == Tokens::ENumberDec)
+                {
+                iIdentifier->iValue = atol(CurrentToken());
+                CommitConst();
+                }
+            break;
+            }
+        }
+
+    if (iResult != Parser::ENoError)
+        {
+        ParserSM().SetError(iResult);
+        }
+    }
+
+void CConstProcessor::CreateTempConst()
+    {
+    if (!ParserSM().FindIdentifier(CurrentToken()))
+        {
+        iIdentifier = new CConstIdentifier(CurrentToken());
+        iInternalState = EStateExpectEquals;
+        iResult = Parser::ENoError;
+        }
+    else
+        {
+        iResult = Parser::EDuplicateIdentifier;
+        }
+    }
+
+void CConstProcessor::CommitConst()
+    {
+    ParserSM().AddIdentifier(iIdentifier);
+    iIdentifier = NULL;
+    ParserSM().SetState(new CInitialState(ParserSM()));
+    iResult = Parser::ENoError;
+    }
+
+} // namespace Parser
+