author | Jussi Ryoma <ext-jussi.s.ryoma@nokia.com> |
Fri, 27 Aug 2010 12:21:46 +0300 | |
changeset 3 | 045ade241ef5 |
parent 0 | 818e61de6cd1 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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using System; |
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using System.Text; |
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using System.Collections.Generic; |
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using SymbianUtils; |
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using SymbianDebugLib.Engine; |
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using SymbianStackLib.Engine; |
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using SymbianStackLib.Exceptions; |
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using CrashItemLib.Engine.Operations; |
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using CrashItemLib.Crash; |
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using CrashItemLib.Crash.Base; |
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using CrashItemLib.Crash.Symbols; |
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using CrashItemLib.Crash.Registers; |
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using CrashItemLib.Crash.Processes; |
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using CrashItemLib.Crash.CodeSegs; |
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using CrashItemLib.Crash.Messages; |
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using CrashItemLib.Engine; |
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|
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namespace CrashItemLib.Crash.Stacks |
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{ |
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internal class CIStackBuilder |
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{ |
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#region Constructors |
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public CIStackBuilder( CIStack aStack, DbgEngine aDebugEngine ) |
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{ |
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iStack = aStack; |
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iStackEngine = new StackEngine( aDebugEngine ); |
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iStackEngine.AddressInfo.Pointer = aStack.PointerValue; |
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iStackEngine.AddressInfo.Range = aStack.Range; |
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iStackEngine.Registers = aStack.Registers; |
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iStackEngine.DataSource = aStack.RawSourceData; |
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|
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// Get the code segments for the process |
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bool isThreadStack = aStack.IsThreadAvailable; |
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if ( isThreadStack ) |
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{ |
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CIProcess process = OwningProcess; |
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System.Diagnostics.Debug.Assert( process != null ); |
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|
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// Seed stack engine with relevant code segments |
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iStackEngine.CodeSegments = process.CodeSegments; |
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} |
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} |
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#endregion |
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|
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#region API |
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public void Build( TSynchronicity aSynchronicity ) |
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{ |
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StackEventsSubscribe(); |
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iStackEngine.Reconstruct( aSynchronicity ); |
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} |
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#endregion |
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|
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#region Properties |
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public bool IsReady |
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{ |
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get { return iIsReady; } |
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private set |
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{ |
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lock ( this ) |
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{ |
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iIsReady = value; |
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} |
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} |
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} |
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public CIProcess OwningProcess |
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{ |
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get |
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{ |
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CIProcess ret = iStack.OwningProcess; |
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return ret; |
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} |
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} |
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|
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public StackEngine StackEngine |
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{ |
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get { return iStackEngine; } |
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} |
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#endregion |
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|
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#region Event handlers |
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private void StackEngine_EventHandler( StackEngine.TEvent aEvent, StackEngine aEngine ) |
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{ |
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if ( aEvent == StackEngine.TEvent.EStackBuildingComplete ) |
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{ |
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StackEventsUnsubscribe(); |
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IsReady = true; |
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} |
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} |
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|
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private void StackEngine_ExceptionHandler( Exception aException, StackEngine aEngine ) |
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{ |
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// Operation failed, but we must mark ourselves as ready or else UI clients will block forever... |
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110 |
IsReady = true; |
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111 |
|
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112 |
// We'll deal with the public exceptions ourselves. Any kind of exception we cannot handle |
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113 |
// will just get treated as a generic error. |
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114 |
string msg = string.Empty; |
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115 |
bool recognized = false; |
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116 |
// |
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117 |
if ( aException is StackAddressException ) |
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118 |
{ |
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119 |
recognized = true; |
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120 |
StackAddressException exception = (StackAddressException) aException; |
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121 |
switch ( exception.Type ) |
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122 |
{ |
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123 |
case StackAddressException.TType.ETypePointerIsNull: |
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124 |
msg = LibResources.CIStackBuilder_AddressInfoException_PointerMissing; |
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125 |
break; |
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126 |
case StackAddressException.TType.ETypePointerOutOfBounds: |
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127 |
msg = LibResources.CIStackBuilder_AddressInfoException_PointerOutOfBounds; |
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128 |
break; |
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129 |
case StackAddressException.TType.ETypeBaseAddressBeforeTopAddress: |
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130 |
msg = LibResources.CIStackBuilder_AddressInfoException_BaseAddressBeforeTopAddress; |
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131 |
break; |
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132 |
case StackAddressException.TType.ETypeTopAddressAfterBaseAddress: |
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133 |
msg = LibResources.CIStackBuilder_AddressInfoException_TopAddressAfterBaseAddress; |
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134 |
break; |
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135 |
default: |
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136 |
recognized = false; |
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137 |
break; |
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138 |
} |
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139 |
} |
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140 |
|
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141 |
// Not recognized? Unfortunately have to leak the original underlying .NET exception details |
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142 |
if ( recognized == false ) |
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143 |
{ |
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144 |
msg = aException.Message; |
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145 |
} |
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146 |
|
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147 |
if ( string.IsNullOrEmpty( msg ) == false ) |
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148 |
{ |
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149 |
// Treat exceptions as fatal errors |
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150 |
CIMessageError error = new CIMessageError( iStack.Container, LibResources.CIStackBuilder_Error_Title ); |
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151 |
error.AddLine( msg ); |
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152 |
iStack.AddChild( error ); |
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153 |
} |
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154 |
} |
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155 |
|
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156 |
private void StackEngine_MessageHandler( StackEngine.TMessageType aType, string aMessage, StackEngine aEngine ) |
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157 |
{ |
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158 |
switch ( aType ) |
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159 |
{ |
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160 |
default: |
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161 |
break; |
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162 |
case StackEngine.TMessageType.ETypeError: |
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163 |
{ |
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164 |
CIMessageError error = new CIMessageError( iStack.Container, LibResources.CIStackBuilder_Error_Title ); |
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165 |
error.AddLine( aMessage ); |
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166 |
iStack.AddChild( error ); |
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167 |
break; |
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168 |
} |
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169 |
case StackEngine.TMessageType.ETypeWarning: |
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170 |
{ |
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171 |
CIMessageWarning warning = new CIMessageWarning( iStack.Container, LibResources.CIStackBuilder_Warning_Title ); |
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|
172 |
warning.AddLine( aMessage ); |
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173 |
iStack.AddChild( warning ); |
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174 |
break; |
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175 |
} |
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176 |
} |
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177 |
} |
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178 |
#endregion |
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179 |
|
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180 |
#region Internal methods |
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|
181 |
private void StackEventsSubscribe() |
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182 |
{ |
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|
183 |
StackEngine.MessageHandler += new StackEngine.StackEngineMessageHandler( StackEngine_MessageHandler ); |
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|
184 |
StackEngine.EventHandler += new StackEngine.StackEngineEventHandler( StackEngine_EventHandler ); |
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|
185 |
StackEngine.ExceptionHandler += new StackEngine.StackEngineExceptionHandler( StackEngine_ExceptionHandler ); |
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|
186 |
} |
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|
187 |
|
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|
188 |
private void StackEventsUnsubscribe() |
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|
189 |
{ |
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|
190 |
StackEngine.MessageHandler -= new StackEngine.StackEngineMessageHandler( StackEngine_MessageHandler ); |
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|
191 |
StackEngine.EventHandler -= new StackEngine.StackEngineEventHandler( StackEngine_EventHandler ); |
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|
192 |
StackEngine.ExceptionHandler -= new StackEngine.StackEngineExceptionHandler( StackEngine_ExceptionHandler ); |
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|
193 |
} |
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|
194 |
#endregion |
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|
195 |
|
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|
196 |
#region From System.Object |
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|
197 |
public override string ToString() |
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198 |
{ |
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|
199 |
StringBuilder ret = new StringBuilder(); |
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|
200 |
ret.AppendFormat( "CIStackBuilder_{0}_{1}", iStack.Id, iStack.Name ); |
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|
201 |
return ret.ToString(); |
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202 |
} |
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|
203 |
#endregion |
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|
204 |
|
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|
205 |
#region Data members |
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|
206 |
private readonly CIStack iStack; |
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|
207 |
private readonly StackEngine iStackEngine; |
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|
208 |
private bool iIsReady = false; |
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209 |
#endregion |
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210 |
} |
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211 |
} |