mirror of https://github.com/icsharpcode/ILSpy.git
Daniel Grunwald
7 years ago
6 changed files with 55 additions and 100 deletions
@ -1,84 +0,0 @@
@@ -1,84 +0,0 @@
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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 ICSharpCode.Decompiler.TypeSystem; |
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namespace ICSharpCode.Decompiler.CSharp.TypeSystem |
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{ |
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/// <summary>
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/// Type reference used within an attribute.
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/// Looks up both 'withoutSuffix' and 'withSuffix' and returns the type that exists.
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/// </summary>
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[Serializable] |
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public sealed class AttributeTypeReference : ITypeReference, ISupportsInterning |
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{ |
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readonly ITypeReference withoutSuffix, withSuffix; |
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public AttributeTypeReference(ITypeReference withoutSuffix, ITypeReference withSuffix) |
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{ |
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if (withoutSuffix == null) |
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throw new ArgumentNullException("withoutSuffix"); |
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if (withSuffix == null) |
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throw new ArgumentNullException("withSuffix"); |
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this.withoutSuffix = withoutSuffix; |
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this.withSuffix = withSuffix; |
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} |
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public IType Resolve(ITypeResolveContext context) |
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{ |
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IType t1 = withoutSuffix.Resolve(context); |
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IType t2 = withSuffix.Resolve(context); |
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return PreferAttributeTypeWithSuffix(t1, t2, context.Compilation) ? t2 : t1; |
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} |
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internal static bool PreferAttributeTypeWithSuffix(IType t1, IType t2, ICompilation compilation) |
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{ |
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if (t2.Kind == TypeKind.Unknown) return false; |
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if (t1.Kind == TypeKind.Unknown) return true; |
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var attrTypeDef = compilation.FindType(KnownTypeCode.Attribute).GetDefinition(); |
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if (attrTypeDef != null) { |
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bool t1IsAttribute = (t1.GetDefinition() != null && t1.GetDefinition().IsDerivedFrom(attrTypeDef)); |
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bool t2IsAttribute = (t2.GetDefinition() != null && t2.GetDefinition().IsDerivedFrom(attrTypeDef)); |
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if (t2IsAttribute && !t1IsAttribute) |
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return true; |
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// If both types exist and are attributes, C# considers that to be an ambiguity, but we are less strict.
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} |
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return false; |
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} |
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public override string ToString() |
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{ |
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return withoutSuffix.ToString() + "[Attribute]"; |
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} |
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int ISupportsInterning.GetHashCodeForInterning() |
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{ |
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unchecked { |
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return withoutSuffix.GetHashCode() + 715613 * withSuffix.GetHashCode(); |
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} |
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} |
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bool ISupportsInterning.EqualsForInterning(ISupportsInterning other) |
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{ |
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AttributeTypeReference atr = other as AttributeTypeReference; |
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return atr != null && this.withoutSuffix == atr.withoutSuffix && this.withSuffix == atr.withSuffix; |
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} |
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} |
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} |
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