[11700] | 1 | // Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team |
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| 2 | // |
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| 3 | // Permission is hereby granted, free of charge, to any person obtaining a copy of this |
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| 4 | // software and associated documentation files (the "Software"), to deal in the Software |
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| 5 | // without restriction, including without limitation the rights to use, copy, modify, merge, |
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| 6 | // publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons |
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| 7 | // to whom the Software is furnished to do so, subject to the following conditions: |
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| 8 | // |
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| 9 | // The above copyright notice and this permission notice shall be included in all copies or |
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| 10 | // substantial portions of the Software. |
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| 11 | // |
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| 12 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
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| 13 | // INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
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| 14 | // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE |
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| 15 | // FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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| 16 | // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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| 17 | // DEALINGS IN THE SOFTWARE. |
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| 18 | |
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| 19 | using System; |
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| 20 | using ICSharpCode.NRefactory.Utils; |
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| 21 | |
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| 22 | namespace ICSharpCode.NRefactory.TypeSystem.Implementation |
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| 23 | { |
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| 24 | /// <summary> |
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| 25 | /// Cache for KnownTypeReferences. |
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| 26 | /// </summary> |
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| 27 | sealed class KnownTypeCache |
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| 28 | { |
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| 29 | readonly ICompilation compilation; |
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| 30 | readonly IType[] knownTypes = new IType[KnownTypeReference.KnownTypeCodeCount]; |
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| 31 | |
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| 32 | public KnownTypeCache(ICompilation compilation) |
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| 33 | { |
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| 34 | this.compilation = compilation; |
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| 35 | } |
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| 36 | |
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| 37 | public IType FindType(KnownTypeCode typeCode) |
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| 38 | { |
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| 39 | IType type = LazyInit.VolatileRead(ref knownTypes[(int)typeCode]); |
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| 40 | if (type != null) { |
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| 41 | return type; |
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| 42 | } |
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| 43 | return LazyInit.GetOrSet(ref knownTypes[(int)typeCode], SearchType(typeCode)); |
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| 44 | } |
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| 45 | |
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| 46 | IType SearchType(KnownTypeCode typeCode) |
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| 47 | { |
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| 48 | KnownTypeReference typeRef = KnownTypeReference.Get(typeCode); |
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| 49 | if (typeRef == null) |
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| 50 | return SpecialType.UnknownType; |
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| 51 | var typeName = new TopLevelTypeName(typeRef.Namespace, typeRef.Name, typeRef.TypeParameterCount); |
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| 52 | foreach (IAssembly asm in compilation.Assemblies) { |
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| 53 | var typeDef = asm.GetTypeDefinition(typeName); |
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| 54 | if (typeDef != null) |
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| 55 | return typeDef; |
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| 56 | } |
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| 57 | return new UnknownType(typeName); |
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| 58 | } |
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| 59 | } |
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| 60 | } |
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