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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1 |
/* |
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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.IO; |
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using System.Collections.Generic; |
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using CrashItemLib.Crash; |
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using CrashItemLib.Crash.Base; |
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using CrashItemLib.Crash.Registers; |
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using CrashItemLib.Crash.Processes; |
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using CrashItemLib.Crash.Container; |
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using CrashItemLib.Crash.Stacks; |
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using SymbianStructuresLib.Debug.Symbols; |
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using SymbianDebugLib.Engine; |
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using SymbianDebugLib.PluginAPI.Types; |
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using SymbianDebugLib.PluginAPI.Types.Symbol; |
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|
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namespace CrashItemLib.Crash.Symbols |
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{ |
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public class CISymbolDictionary : CIElementList<CISymbol> |
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{ |
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#region Constructors |
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internal CISymbolDictionary( CIContainer aContainer ) |
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: base( aContainer ) |
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{ |
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base.IsToBeFinalizedLast = true; |
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} |
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#endregion |
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|
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#region API |
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internal CISymbol Register( uint aSymbolAddress ) |
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{ |
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// First try to find an existing CISymbol that matches the address. |
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CISymbol symbol = this[ aSymbolAddress ]; |
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if ( symbol == null ) |
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{ |
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// No existing entry defined, so create a new symbol which is just based upon |
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// an address. |
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symbol = new CISymbol( base.Container, aSymbolAddress ); |
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DoRegister( symbol ); |
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} |
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else |
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{ |
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// Found an existing symbol object - increment reference count |
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symbol.ReferenceCountIncrement(); |
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} |
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// |
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return symbol; |
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} |
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|
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internal CISymbol Register( Symbol aSymbol ) |
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{ |
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// First try to find an existing CISymbol that matches the address. |
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CISymbol symbol = this[ aSymbol.Address ]; |
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if ( symbol == null ) |
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{ |
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// No existing entry defined, so create a new symbol with explicit symbol definition |
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symbol = new CISymbol( base.Container, aSymbol ); |
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DoRegister( symbol ); |
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} |
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else |
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{ |
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// Found an existing symbol object - however, does it have an associated |
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// symbol yet? |
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symbol.AssignPermanentSymbol( aSymbol ); |
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|
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// Also, we must increment the reference count because it's now shared by another client |
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symbol.ReferenceCountIncrement(); |
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} |
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// |
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return symbol; |
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} |
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|
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internal CISymbol RefreshRegistration( CIElement aElement, uint aSymbolAddress, CISymbol aOldSymbolOrNull ) |
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{ |
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CISymbol ret = aOldSymbolOrNull; |
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bool needToRegister = false; |
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|
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if ( aOldSymbolOrNull != null ) |
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{ |
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// We only need to do this if the symbol address changed. |
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if ( aSymbolAddress != aOldSymbolOrNull.Address ) |
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{ |
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// We must unregister the symbol from the parent element because potentially we might |
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// replace the symbol with an entirely new one. |
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aElement.RemoveChild( aOldSymbolOrNull ); |
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101 |
|
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// However, we only do this if there are no other client of the same symbol. |
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int newRefCount = aOldSymbolOrNull.ReferenceCountDecrement(); |
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if ( newRefCount <= 0 ) |
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{ |
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// Remove old references to dead symbol |
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DoDeregister( aOldSymbolOrNull ); |
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} |
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109 |
|
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110 |
// Since the address of the symbol has changed, we will need to |
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111 |
// re-register a new symbol |
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112 |
needToRegister = true; |
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113 |
} |
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114 |
else |
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115 |
{ |
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116 |
// The symbol address hasn't changed |
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117 |
} |
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118 |
} |
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119 |
else if ( aSymbolAddress == 0 && aOldSymbolOrNull == null ) |
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120 |
{ |
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121 |
// Err, nothing to do here. |
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122 |
} |
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123 |
else |
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124 |
{ |
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125 |
// We weren't supplied with an original symbol object which means we will |
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126 |
// definitely need to register a symbol (if we don't find a pre-existing match). |
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127 |
needToRegister = true; |
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128 |
} |
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129 |
|
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130 |
// Do we need to register a new symbol? |
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131 |
if ( needToRegister ) |
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132 |
{ |
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133 |
// Create new entry (or look up existing reference). This will also |
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134 |
// ensure any new symbol is registered with this dictionary. |
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135 |
ret = Register( aSymbolAddress ); |
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136 |
|
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137 |
// Associate with parent element |
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138 |
aElement.AddChild( ret ); |
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139 |
} |
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140 |
|
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141 |
return ret; |
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142 |
} |
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143 |
#endregion |
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144 |
|
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145 |
#region Properties |
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146 |
internal CISymbol this[ uint aAddress ] |
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147 |
{ |
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148 |
get |
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149 |
{ |
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150 |
CISymbol ret = null; |
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151 |
// |
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152 |
if ( iAddressLUT.ContainsKey( aAddress ) ) |
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153 |
{ |
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154 |
ret = iAddressLUT[ aAddress ]; |
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155 |
} |
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156 |
// |
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157 |
return ret; |
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158 |
} |
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159 |
} |
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160 |
#endregion |
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161 |
|
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162 |
#region Internal methods |
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163 |
private void DoRegister( CISymbol aSymbol ) |
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164 |
{ |
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165 |
CISymbol check = this[ aSymbol.Address ]; |
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166 |
System.Diagnostics.Debug.Assert( check == null ); |
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167 |
aSymbol.ReferenceCountIncrement(); |
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168 |
Add( aSymbol ); |
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169 |
} |
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170 |
|
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171 |
private void DoDeregister( CISymbol aSymbol ) |
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172 |
{ |
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173 |
bool alreadyRegistered = base.Contains( aSymbol ); |
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174 |
if ( alreadyRegistered ) |
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175 |
{ |
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176 |
Remove( aSymbol ); |
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177 |
} |
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178 |
} |
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179 |
#endregion |
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180 |
|
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181 |
#region From CIElementDictionary |
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182 |
public override bool Add( CISymbol aEntry ) |
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183 |
{ |
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184 |
bool okayToAdd = iAddressLUT.ContainsKey( aEntry.Address ) == false; |
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185 |
if ( okayToAdd ) |
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186 |
{ |
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187 |
base.Add( aEntry ); |
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188 |
iAddressLUT.Add( aEntry.Address, aEntry ); |
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189 |
} |
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190 |
|
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191 |
return okayToAdd; |
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192 |
} |
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|
193 |
|
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194 |
public override void Remove( CISymbol aEntry ) |
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195 |
{ |
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196 |
bool alreadyExists = iAddressLUT.ContainsKey( aEntry.Address ); |
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197 |
if ( alreadyExists ) |
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198 |
{ |
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199 |
iAddressLUT.Remove( aEntry.Address ); |
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200 |
} |
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201 |
base.Remove( aEntry ); |
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202 |
} |
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203 |
#endregion |
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204 |
|
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205 |
#region From CIElement |
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206 |
internal override void OnFinalize( CIElementFinalizationParameters aParams ) |
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207 |
{ |
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208 |
try |
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209 |
{ |
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210 |
base.OnFinalize( aParams ); |
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211 |
} |
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212 |
finally |
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213 |
{ |
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214 |
} |
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215 |
} |
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216 |
#endregion |
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|
217 |
|
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218 |
#region Data members |
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219 |
private Dictionary<uint, CISymbol> iAddressLUT = new Dictionary<uint, CISymbol>(); |
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220 |
#endregion |
818e61de6cd1
Add initial version of Crash Analyser cmdline under EPL
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
diff
changeset
|
221 |
} |
818e61de6cd1
Add initial version of Crash Analyser cmdline under EPL
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
diff
changeset
|
222 |
} |