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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.VB/Ast/Expressions/LambdaExpression.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/nrefactory/ICSharpCode.NRefactory.VB/Ast/Expressions/LambdaExpression.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 MIT X11 license (for details please see \doc\license.txt)
 
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using System;
 
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using System.Collections.Generic;
 
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using System.Linq;
 
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namespace ICSharpCode.NRefactory.VB.Ast
 
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{
 
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        public abstract class LambdaExpression : Expression
 
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        {
 
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                public static readonly Role<VBModifierToken> ModifierRole = AttributedNode.ModifierRole;
 
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                public LambdaExpressionModifiers Modifiers {
 
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                        get { return GetModifiers(this); }
 
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                        set { SetModifiers(this, value); }
 
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                }
 
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                public AstNodeCollection<VBModifierToken> ModifierTokens {
 
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                        get { return GetChildrenByRole (ModifierRole); }
 
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                }
 
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                internal static LambdaExpressionModifiers GetModifiers(AstNode node)
 
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                {
 
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                        LambdaExpressionModifiers m = 0;
 
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                        foreach (VBModifierToken t in node.GetChildrenByRole (ModifierRole)) {
 
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                                m |= (LambdaExpressionModifiers)t.Modifier;
 
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                        }
 
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                        return m;
 
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                }
 
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                internal static void SetModifiers(AstNode node, LambdaExpressionModifiers newValue)
 
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                {
 
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                        LambdaExpressionModifiers oldValue = GetModifiers(node);
 
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                        AstNode insertionPos = null;
 
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                        foreach (Modifiers m in VBModifierToken.AllModifiers) {
 
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                                if ((m & (Modifiers)newValue) != 0) {
 
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                                        if ((m & (Modifiers)oldValue) == 0) {
 
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                                                // Modifier was added
 
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                                                var newToken = new VBModifierToken(TextLocation.Empty, m);
 
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                                                node.InsertChildAfter(insertionPos, newToken, ModifierRole);
 
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                                                insertionPos = newToken;
 
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                                        } else {
 
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                                                // Modifier already exists
 
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                                                insertionPos = node.GetChildrenByRole(ModifierRole).First(t => t.Modifier == m);
 
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                                        }
 
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                                } else {
 
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                                        if ((m & (Modifiers)oldValue) != 0) {
 
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                                                // Modifier was removed
 
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                                                node.GetChildrenByRole (ModifierRole).First(t => t.Modifier == m).Remove();
 
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                                        }
 
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                                }
 
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                        }
 
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                }
 
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                public AstNodeCollection<ParameterDeclaration> Parameters {
 
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                        get { return GetChildrenByRole(Roles.Parameter); }
 
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                }
 
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        }
 
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        public class SingleLineSubLambdaExpression : LambdaExpression
 
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        {
 
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                public static readonly Role<Statement> StatementRole = BlockStatement.StatementRole;
 
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                public Statement EmbeddedStatement {
 
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                        get { return GetChildByRole(StatementRole); }
 
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                        set { SetChildByRole(StatementRole, value); }
 
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                }
 
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                protected internal override bool DoMatch(AstNode other, ICSharpCode.NRefactory.PatternMatching.Match match)
 
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                {
 
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                        throw new NotImplementedException();
 
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                }
 
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                public override S AcceptVisitor<T, S>(IAstVisitor<T, S> visitor, T data)
 
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                {
 
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                        return visitor.VisitSingleLineSubLambdaExpression(this, data);
 
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                }
 
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        }
 
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        public class SingleLineFunctionLambdaExpression : LambdaExpression
 
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        {
 
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                public Expression EmbeddedExpression {
 
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                        get { return GetChildByRole(Roles.Expression); }
 
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                        set { SetChildByRole(Roles.Expression, value); }
 
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                }
 
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                protected internal override bool DoMatch(AstNode other, ICSharpCode.NRefactory.PatternMatching.Match match)
 
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                {
 
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                        throw new NotImplementedException();
 
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                }
 
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                public override S AcceptVisitor<T, S>(IAstVisitor<T, S> visitor, T data)
 
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                {
 
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                        return visitor.VisitSingleLineFunctionLambdaExpression(this, data);
 
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                }
 
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        }
 
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        public class MultiLineLambdaExpression : LambdaExpression
 
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        {
 
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                public bool IsSub { get; set; }
 
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                public BlockStatement Body {
 
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                        get { return GetChildByRole(Roles.Body); }
 
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                        set { SetChildByRole(Roles.Body, value); }
 
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                }
 
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                protected internal override bool DoMatch(AstNode other, ICSharpCode.NRefactory.PatternMatching.Match match)
 
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                {
 
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                        throw new NotImplementedException();
 
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                }
 
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                public override S AcceptVisitor<T, S>(IAstVisitor<T, S> visitor, T data)
 
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                {
 
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                        return visitor.VisitMultiLineLambdaExpression(this, data);
 
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                }
 
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        }
 
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        public enum LambdaExpressionModifiers
 
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        {
 
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                Async = Modifiers.Async,
 
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                Iterator = Modifiers.Iterator
 
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        }
 
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}