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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
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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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// 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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// 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.Collections.Generic;
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using System.Globalization;
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using ICSharpCode.NRefactory.TypeSystem;
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namespace ICSharpCode.NRefactory.Semantics
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/// Represents the resolve result of an 'ref x' or 'out x' expression.
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public class ByReferenceResolveResult : ResolveResult
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public bool IsOut { get; private set; }
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public bool IsRef { get { return !IsOut;} }
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public readonly ResolveResult ElementResult;
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public ByReferenceResolveResult(ResolveResult elementResult, bool isOut)
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: this(elementResult.Type, isOut)
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this.ElementResult = elementResult;
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public ByReferenceResolveResult(IType elementType, bool isOut)
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: base(new ByReferenceType(elementType))
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public IType ElementType {
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get { return ((ByReferenceType)this.Type).ElementType; }
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public override IEnumerable<ResolveResult> GetChildResults()
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if (ElementResult != null)
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return new[] { ElementResult };
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return Enumerable.Empty<ResolveResult>();
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public override string ToString()
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return string.Format(CultureInfo.InvariantCulture, "[{0} {1} {2}]", GetType().Name, IsOut ? "out" : "ref", ElementType);