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Viewing changes to src/Libraries/NRefactory/Project/Src/Visitors/RenameIdentifierVisitor.cs

  • Committer: sk
  • Date: 2011-09-10 05:17:57 UTC
  • Revision ID: halega@halega.com-20110910051757-qfouz1llya9m6boy
4.1.0.7915 Release Candidate 1

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src/Libraries/NRefactory/Project/Src/Visitors/RenameIdentifierVisitor.cs
 
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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
 
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// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 
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using System;
 
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using ICSharpCode.NRefactory.Ast;
 
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namespace ICSharpCode.NRefactory.Visitors
 
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{
 
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        class RenameIdentifierVisitor : AbstractAstVisitor
 
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        {
 
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                protected StringComparer nameComparer;
 
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                protected string from, to;
 
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                public RenameIdentifierVisitor(string from, string to, StringComparer nameComparer)
 
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                {
 
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                        this.nameComparer = nameComparer;
 
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                        this.from = from;
 
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                        this.to = to;
 
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                }
 
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                public override object VisitIdentifierExpression(IdentifierExpression identifierExpression, object data)
 
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                {
 
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                        if (nameComparer.Equals(identifierExpression.Identifier, from)) {
 
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                                identifierExpression.Identifier = to;
 
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                        }
 
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                        return base.VisitIdentifierExpression(identifierExpression, data);
 
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                }
 
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        }
 
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        sealed class RenameLocalVariableVisitor : RenameIdentifierVisitor
 
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        {
 
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                public RenameLocalVariableVisitor(string from, string to, StringComparer nameComparer)
 
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                        : base(from, to, nameComparer)
 
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                {
 
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                }
 
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                public override object VisitVariableDeclaration(VariableDeclaration variableDeclaration, object data)
 
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                {
 
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                        if (nameComparer.Equals(from, variableDeclaration.Name)) {
 
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                                variableDeclaration.Name = to;
 
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                        }
 
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                        return base.VisitVariableDeclaration(variableDeclaration, data);
 
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                }
 
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                public override object VisitParameterDeclarationExpression(ParameterDeclarationExpression parameterDeclarationExpression, object data)
 
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                {
 
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                        if (nameComparer.Equals(from, parameterDeclarationExpression.ParameterName)) {
 
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                                parameterDeclarationExpression.ParameterName = to;
 
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                        }
 
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                        return base.VisitParameterDeclarationExpression(parameterDeclarationExpression, data);
 
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                }
 
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                public override object VisitForeachStatement(ForeachStatement foreachStatement, object data)
 
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                {
 
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                        if (nameComparer.Equals(from, foreachStatement.VariableName)) {
 
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                                foreachStatement.VariableName = to;
 
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                        }
 
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                        return base.VisitForeachStatement(foreachStatement, data);
 
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                }
 
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        }
 
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}