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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
// This code is distributed under MIT X11 license (for details please see \doc\license.txt)
using ICSharpCode.NRefactory.VB.PrettyPrinter;
using System;
namespace ICSharpCode.NRefactory.VB.Ast
{
/// <summary>
/// Represents a literal value.
/// </summary>
public class PrimitiveExpression : Expression
{
public static readonly object AnyValue = new object();
TextLocation startLocation;
public override TextLocation StartLocation {
get {
return startLocation;
}
}
int length;
public override TextLocation EndLocation {
get {
return new TextLocation(StartLocation.Line, StartLocation.Column + length);
}
}
public object Value { get; private set; }
string stringValue;
public string StringValue {
get { return stringValue ?? OutputVisitor.ToVBNetString(this); }
}
public PrimitiveExpression(object value)
{
this.Value = value;
}
public PrimitiveExpression(object value, string stringValue)
{
this.Value = value;
this.stringValue = stringValue;
}
public PrimitiveExpression(object value, TextLocation startLocation, int length)
{
this.Value = value;
this.startLocation = startLocation;
this.length = length;
}
public PrimitiveExpression(object value, string stringValue, TextLocation startLocation, int length)
{
this.Value = value;
this.stringValue = stringValue;
this.startLocation = startLocation;
this.length = length;
}
public override S AcceptVisitor<T, S>(IAstVisitor<T, S> visitor, T data)
{
return visitor.VisitPrimitiveExpression(this, data);
}
protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
{
PrimitiveExpression o = other as PrimitiveExpression;
return o != null && (this.Value == AnyValue || object.Equals(this.Value, o.Value));
}
}
}
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