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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.CSharp/Resolver/CSharpInvocationResolveResult.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.CSharp/Resolver/CSharpInvocationResolveResult.cs
 
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// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
 
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// 
 
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
 
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// software and associated documentation files (the "Software"), to deal in the Software
 
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// without restriction, including without limitation the rights to use, copy, modify, merge,
 
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
 
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// to whom the Software is furnished to do so, subject to the following conditions:
 
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// 
 
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// The above copyright notice and this permission notice shall be included in all copies or
 
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// substantial portions of the Software.
 
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// 
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
 
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 
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// DEALINGS IN THE SOFTWARE.
 
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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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using ICSharpCode.NRefactory.Semantics;
 
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using ICSharpCode.NRefactory.TypeSystem;
 
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namespace ICSharpCode.NRefactory.CSharp.Resolver
 
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{
 
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        /// <summary>
 
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        /// Represents the result of a method, constructor or indexer invocation.
 
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        /// Provides additional C#-specific information for InvocationResolveResult.
 
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        /// </summary>
 
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        public class CSharpInvocationResolveResult : InvocationResolveResult
 
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        {
 
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                public readonly OverloadResolutionErrors OverloadResolutionErrors;
 
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                /// <summary>
 
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                /// Gets whether this invocation is calling an extension method using extension method syntax.
 
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                /// </summary>
 
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                public readonly bool IsExtensionMethodInvocation;
 
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                /// <summary>
 
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                /// Gets whether this invocation is calling a delegate (without explicitly calling ".Invoke()").
 
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                /// </summary>
 
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                public readonly bool IsDelegateInvocation;
 
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                /// <summary>
 
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                /// Gets whether a params-Array is being used in its expanded form.
 
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                /// </summary>
 
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                public readonly bool IsExpandedForm;
 
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                readonly IList<int> argumentToParameterMap;
 
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                /// <summary>
 
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                /// If IsExtensionMethodInvocation is true this property holds the reduced method.
 
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                /// </summary>
 
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                IMethod reducedMethod;
 
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                public IMethod ReducedMethod {
 
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                        get {
 
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                                if (!IsExtensionMethodInvocation)
 
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                                        return null;
 
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                                if (reducedMethod == null && Member is IMethod)
 
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                                        reducedMethod = new ReducedExtensionMethod ((IMethod)Member);
 
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                                return reducedMethod;
 
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                        }
 
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                }
 
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                public CSharpInvocationResolveResult(
 
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                        ResolveResult targetResult, IParameterizedMember member,
 
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                        IList<ResolveResult> arguments,
 
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                        OverloadResolutionErrors overloadResolutionErrors = OverloadResolutionErrors.None,
 
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                        bool isExtensionMethodInvocation = false,
 
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                        bool isExpandedForm = false,
 
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                        bool isDelegateInvocation = false,
 
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                        IList<int> argumentToParameterMap = null,
 
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                        IList<ResolveResult> initializerStatements = null,
 
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                        IType returnTypeOverride = null
 
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                )
 
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                        : base(targetResult, member, arguments, initializerStatements, returnTypeOverride)
 
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                {
 
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                        this.OverloadResolutionErrors = overloadResolutionErrors;
 
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                        this.IsExtensionMethodInvocation = isExtensionMethodInvocation;
 
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                        this.IsExpandedForm = isExpandedForm;
 
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                        this.IsDelegateInvocation = isDelegateInvocation;
 
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                        this.argumentToParameterMap = argumentToParameterMap;
 
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                }
 
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                public override bool IsError {
 
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                        get { return this.OverloadResolutionErrors != OverloadResolutionErrors.None; }
 
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                }
 
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                /// <summary>
 
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                /// Gets an array that maps argument indices to parameter indices.
 
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                /// For arguments that could not be mapped to any parameter, the value will be -1.
 
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                /// 
 
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                /// parameterIndex = ArgumentToParameterMap[argumentIndex]
 
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                /// </summary>
 
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                public IList<int> GetArgumentToParameterMap()
 
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                {
 
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                        return argumentToParameterMap;
 
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                }
 
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                public override IList<ResolveResult> GetArgumentsForCall()
 
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                {
 
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                        ResolveResult[] results = new ResolveResult[Member.Parameters.Count];
 
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                        List<ResolveResult> paramsArguments = IsExpandedForm ? new List<ResolveResult>() : null;
 
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                        // map arguments to parameters:
 
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                        for (int i = 0; i < Arguments.Count; i++) {
 
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                                int mappedTo;
 
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                                if (argumentToParameterMap != null)
 
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                                        mappedTo = argumentToParameterMap[i];
 
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                                else
 
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                                        mappedTo = IsExpandedForm ? Math.Min(i, results.Length - 1) : i;
 
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                                if (mappedTo >= 0 && mappedTo < results.Length) {
 
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                                        if (IsExpandedForm && mappedTo == results.Length - 1) {
 
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                                                paramsArguments.Add(Arguments[i]);
 
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                                        } else {
 
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                                                var narr = Arguments[i] as NamedArgumentResolveResult;
 
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                                                if (narr != null)
 
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                                                        results[mappedTo] = narr.Argument;
 
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                                                else
 
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                                                        results[mappedTo] = Arguments[i];
 
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                                        }
 
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                                }
 
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                        }
 
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                        if (IsExpandedForm){
 
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                                IType arrayType = Member.Parameters.Last().Type;
 
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                                IType int32 = Member.Compilation.FindType(KnownTypeCode.Int32);
 
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                                ResolveResult[] sizeArguments = { new ConstantResolveResult(int32, paramsArguments.Count) };
 
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                                results[results.Length - 1] = new ArrayCreateResolveResult(arrayType, sizeArguments, paramsArguments);
 
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                        }
 
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                        for (int i = 0; i < results.Length; i++) {
 
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                                if (results[i] == null) {
 
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                                        if (Member.Parameters[i].IsOptional) {
 
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                                                results[i] = new ConstantResolveResult(Member.Parameters[i].Type, Member.Parameters[i].ConstantValue);
 
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                                        } else {
 
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                                                results[i] = ErrorResolveResult.UnknownError;
 
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                                        }
 
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                                }
 
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                        }
 
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                        return results;
 
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                }
 
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        }
 
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}