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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.VB/Ast/Expressions/Expression.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/Expression.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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namespace ICSharpCode.NRefactory.VB.Ast
 
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{
 
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        public abstract class Expression : AstNode
 
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        {
 
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                #region Null
 
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                public new static readonly Expression Null = new NullExpression ();
 
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                sealed class NullExpression : Expression
 
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                {
 
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                        public override bool IsNull {
 
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                                get {
 
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                                        return true;
 
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                                }
 
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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 default (S);
 
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                        }
 
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                        protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
 
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                        {
 
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                                return other == null || other.IsNull;
 
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                        }
 
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                }
 
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                #endregion
 
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                #region Builder methods
 
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                /// <summary>
 
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                /// Builds an member reference expression using this expression as target.
 
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                /// </summary>
 
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                public MemberAccessExpression Member(string memberName)
 
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                {
 
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                        return new MemberAccessExpression { Target = this, MemberName = memberName };
 
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                }
 
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                /// <summary>
 
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                /// Builds an invocation expression using this expression as target.
 
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                /// </summary>
 
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                public InvocationExpression Invoke(string methodName, IEnumerable<Expression> arguments)
 
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                {
 
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                        return Invoke(methodName, null, arguments);
 
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                }
 
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                /// <summary>
 
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                /// Builds an invocation expression using this expression as target.
 
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                /// </summary>
 
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                public InvocationExpression Invoke(string methodName, params Expression[] arguments)
 
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                {
 
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                        return Invoke(methodName, null, arguments);
 
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                }
 
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                /// <summary>
 
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                /// Builds an invocation expression using this expression as target.
 
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                /// </summary>
 
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                public InvocationExpression Invoke(string methodName, IEnumerable<AstType> typeArguments, IEnumerable<Expression> arguments)
 
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                {
 
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                        InvocationExpression ie = new InvocationExpression();
 
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                        MemberAccessExpression mre = new MemberAccessExpression();
 
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                        mre.Target = this;
 
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                        mre.MemberName = methodName;
 
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                        mre.TypeArguments.AddRange(typeArguments);
 
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                        ie.Target = mre;
 
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                        ie.Arguments.AddRange(arguments);
 
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                        return ie;
 
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                }
 
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                /// <summary>
 
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                /// Builds an invocation expression using this expression as target.
 
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                /// </summary>
 
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                public InvocationExpression Invoke(IEnumerable<Expression> arguments)
 
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                {
 
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                        InvocationExpression ie = new InvocationExpression();
 
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                        ie.Target = this;
 
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                        ie.Arguments.AddRange(arguments);
 
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                        return ie;
 
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                }
 
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                /// <summary>
 
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                /// Builds an invocation expression using this expression as target.
 
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                /// </summary>
 
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                public InvocationExpression Invoke(params Expression[] arguments)
 
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                {
 
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                        InvocationExpression ie = new InvocationExpression();
 
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                        ie.Target = this;
 
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                        ie.Arguments.AddRange(arguments);
 
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                        return ie;
 
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                }
 
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                public CastExpression CastTo(AstType type)
 
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                {
 
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                        return new CastExpression { CastType = CastType.CType, Type = type,  Expression = this };
 
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                }
 
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                public CastExpression CastTo(Type type)
 
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                {
 
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                        return new CastExpression { CastType = CastType.CType, Type = AstType.Create(type),  Expression = this };
 
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                }
 
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                #endregion
 
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        }
 
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}