--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/Libraries/Engine/CrashDebuggerLib/Parsers/State/Implementation/Helpers/HelperStack.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,155 @@
+/*
+* Copyright (c) 2004-2008 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: 
+*
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using SymbianParserLib.Engine;
+using CrashDebuggerLib.Structures.KernelObjects;
+using CrashDebuggerLib.Structures.Process;
+using CrashDebuggerLib.Structures.CodeSeg;
+using CrashDebuggerLib.Structures.Thread;
+using SymbianParserLib.Elements;
+using SymbianParserLib.Enums;
+using SymbianParserLib.BaseStructures;
+
+namespace CrashDebuggerLib.Parsers.State.Implementation.Helpers
+{
+    internal class HelperStack
+    {
+        #region Constructors
+        public HelperStack()
+        {
+        }
+        #endregion
+
+        #region API
+        public void CreateStackParagraphs( ParserEngine aEngine, DThread aThread )
+        {
+            ParserParagraph p1 = PrepareUserStack( aThread.StackInfoUser );
+            ParserParagraph p2 = PrepareSupervisorStack( aThread.StackInfoSupervisor );
+            //
+            aEngine.Add( p1, p2 );
+        }
+        #endregion
+
+        #region Internal constants
+        private const string KParagraphUser = "STACK_USER";
+        #endregion
+
+        #region Call-back methods
+        void NoUserStackCallBack( ParserElementBase aElement )
+        {
+            // Called back when a thread has no user stack - in which case, dump the
+            // user-stack items as they will prevent us gathering the supervisor info.
+            ParserLine line = (ParserLine) aElement;
+            ParserParagraph para = line.Paragraph;
+            //
+            foreach ( ParserLine l in para )
+            {
+                l.IsDisabled = true;
+            }
+        }
+
+        void DisableUserStackParagraph( ParserElementBase aElement )
+        {
+            // Called back when the first supervisor stack item fires. We
+            // must disable all items in the user-paragraph so that they don't
+            // intercept things like the current stack pointer.
+            ParserLine line = (ParserLine) aElement;
+            ParserParagraph para = line.Paragraph;
+            ParserEngine engine = (ParserEngine) para.Parent;
+            //
+            foreach ( ParserParagraph paragraph in engine )
+            {
+                if ( paragraph.Name == KParagraphUser )
+                {
+                    paragraph.IsDisabled = true;
+                    break;
+                }
+            }
+        }
+
+        void SetFirstStackBytesStartingAddress( ParserField aField, uint aValue )
+        {
+            ThreadStackInfo stackInfo = (ThreadStackInfo) aField.Tag;
+            ThreadStackData stackData = stackInfo.Data;
+            stackData.SetStartingAddress( aValue );
+        }
+        #endregion
+
+        #region Internal methods
+        private ParserParagraph PrepareUserStack( ThreadStackInfo aStackInfo )
+        {
+            ParserParagraph para = new ParserParagraph( KParagraphUser );
+            //
+            ParserLine l0 = ParserLine.New( "No user-mode stack" );
+            l0.ElementComplete += new ParserElementBase.ElementCompleteHandler( NoUserStackCallBack );
+            //
+            ParserLine l1 = ParserLine.NewSymFormat( "User stack base at %08x, size == %x\r\n" );
+            l1.SetTargetProperties( aStackInfo, "BaseAddress", "Size" );
+            //
+            ParserLine l2 = ParserLine.NewSymFormat( "Stack pointer == %08x\r\n" );
+            l2.SetTargetProperties( aStackInfo, "StackPointer" );
+            //
+            // Not needed - ParserLine l3 = ParserLine.NewSymFormat( "Stack mapped at %08x\r\n" );
+            //l3.SetTargetProperties( aStackInfo.Data, "MappedAddress" );
+
+            // Collect the raw stack bytes
+            ParserLine l4 = ParserLine.NewSymFormat( "%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" );
+            l4.IsNeverEnding = true;
+            l4.DisableWhenComplete = false;
+            l4.SetTargetMethod( aStackInfo.Data, "Add" );
+
+            // Record the starting address of the stack data
+            l4[ 0 ].SetTargetMethod( this, "SetFirstStackBytesStartingAddress" );
+            l4[ 0 ].Tag = aStackInfo;
+            //
+            para.Add( l0, l1, l2, l4 );
+            return para;
+        }
+
+        private ParserParagraph PrepareSupervisorStack( ThreadStackInfo aStackInfo )
+        {
+            ParserParagraph para = new ParserParagraph( "STACK_SUPERVISOR" );
+            //
+            ParserLine l1 = ParserLine.NewSymFormat( "Supervisor stack base at %08x, size == %x\r\n" );
+            l1.ElementComplete += new ParserElementBase.ElementCompleteHandler( DisableUserStackParagraph );
+            l1.SetTargetProperties( aStackInfo, "BaseAddress", "Size" );
+            //
+            ParserLine l2 = ParserLine.NewSymFormat( "Stack pointer == %08x\r\n" );
+            l2.SetTargetProperties( aStackInfo, "StackPointer" );
+            
+            // Collect the raw stack bytes
+            ParserLine l3 = ParserLine.NewSymFormat( "%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" );
+            l3.IsNeverEnding = true;
+            l3.DisableWhenComplete = false;
+            l3.SetTargetMethod( aStackInfo.Data, "Add" );
+
+            // Record the starting address of the stack data
+            l3[ 0 ].SetTargetMethod( this, "SetFirstStackBytesStartingAddress" );
+            l3[ 0 ].Tag = aStackInfo;
+            //
+            para.Add( l1, l2, l3 );
+            return para;
+        }
+        #endregion
+
+        #region Data members
+        #endregion
+    }
+}