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// ParameterDeclarationExpression.cs
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// Mike Krüger <mkrueger@novell.com>
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// Copyright (c) 2010 Novell, Inc (http://www.novell.com)
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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using System.Collections.Generic;
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namespace ICSharpCode.NRefactory.CSharp
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public enum ParameterModifier {
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public class ParameterDeclaration : AstNode
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public static readonly Role<AttributeSection> AttributeRole = EntityDeclaration.AttributeRole;
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public static readonly TokenRole RefModifierRole = new TokenRole("ref");
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public static readonly TokenRole OutModifierRole = new TokenRole("out");
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public static readonly TokenRole ParamsModifierRole = new TokenRole("params");
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public static readonly TokenRole ThisModifierRole = new TokenRole("this");
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public override NodeType NodeType {
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return NodeType.Unknown;
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public AstNodeCollection<AttributeSection> Attributes {
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get { return GetChildrenByRole (AttributeRole); }
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ParameterModifier parameterModifier;
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public ParameterModifier ParameterModifier {
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get { return parameterModifier; }
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parameterModifier = value;
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get { return GetChildByRole (Roles.Type); }
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set { SetChildByRole (Roles.Type, value); }
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return GetChildByRole (Roles.Identifier).Name;
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SetChildByRole (Roles.Identifier, Identifier.Create (value));
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public Identifier NameToken {
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return GetChildByRole (Roles.Identifier);
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SetChildByRole (Roles.Identifier, value);
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public Expression DefaultExpression {
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get { return GetChildByRole (Roles.Expression); }
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set { SetChildByRole (Roles.Expression, value); }
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public override void AcceptVisitor (IAstVisitor visitor)
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visitor.VisitParameterDeclaration (this);
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public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
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return visitor.VisitParameterDeclaration (this);
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public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
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return visitor.VisitParameterDeclaration (this, data);
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protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
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ParameterDeclaration o = other as ParameterDeclaration;
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return o != null && this.Attributes.DoMatch(o.Attributes, match) && this.ParameterModifier == o.ParameterModifier
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&& this.Type.DoMatch(o.Type, match) && MatchString(this.Name, o.Name)
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&& this.DefaultExpression.DoMatch(o.DefaultExpression, match);
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public ParameterDeclaration()
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public ParameterDeclaration(AstType type, string name, ParameterModifier modifier = ParameterModifier.None)
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ParameterModifier = modifier;