mirror of https://github.com/icsharpcode/ILSpy.git
Daniel Grunwald
7 years ago
30 changed files with 854 additions and 378 deletions
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// Copyright (c) 2018 Daniel Grunwald
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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.Reflection; |
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using System.Reflection.Metadata; |
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using System.Reflection.Metadata.Ecma335; |
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using System.Text; |
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using ICSharpCode.Decompiler.Util; |
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namespace ICSharpCode.Decompiler.Metadata |
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{ |
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/// <summary>
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/// Lookup structure that, for an accessor, can find the associated property/event.
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/// </summary>
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class MethodSemanticsLookup |
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{ |
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const MethodSemanticsAttributes csharpAccessors = |
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MethodSemanticsAttributes.Getter | MethodSemanticsAttributes.Setter |
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| MethodSemanticsAttributes.Adder | MethodSemanticsAttributes.Remover; |
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readonly struct Entry : IComparable<Entry> |
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{ |
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public readonly MethodSemanticsAttributes Semantics; |
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public readonly int MethodRowNumber; |
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public MethodDefinitionHandle Method => MetadataTokens.MethodDefinitionHandle(MethodRowNumber); |
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public readonly EntityHandle Association; |
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public Entry(MethodSemanticsAttributes semantics, MethodDefinitionHandle method, EntityHandle association) |
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{ |
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Semantics = semantics; |
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MethodRowNumber = MetadataTokens.GetRowNumber(method); |
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Association = association; |
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} |
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public int CompareTo(Entry other) |
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{ |
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return MethodRowNumber.CompareTo(other.MethodRowNumber); |
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} |
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} |
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// entries, sorted by MethodRowNumber
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readonly List<Entry> entries; |
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public MethodSemanticsLookup(MetadataReader metadata, MethodSemanticsAttributes filter = csharpAccessors) |
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{ |
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if ((filter & MethodSemanticsAttributes.Other) != 0) { |
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throw new NotSupportedException("SRM doesn't provide access to 'other' accessors"); |
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} |
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entries = new List<Entry>(metadata.GetTableRowCount(TableIndex.MethodSemantics)); |
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foreach (var propHandle in metadata.PropertyDefinitions) { |
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var prop = metadata.GetPropertyDefinition(propHandle); |
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var accessors = prop.GetAccessors(); |
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AddEntry(MethodSemanticsAttributes.Getter, accessors.Getter, propHandle); |
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AddEntry(MethodSemanticsAttributes.Setter, accessors.Setter, propHandle); |
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} |
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foreach (var eventHandle in metadata.EventDefinitions) { |
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var ev = metadata.GetEventDefinition(eventHandle); |
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var accessors = ev.GetAccessors(); |
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AddEntry(MethodSemanticsAttributes.Adder, accessors.Adder, eventHandle); |
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AddEntry(MethodSemanticsAttributes.Remover, accessors.Remover, eventHandle); |
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AddEntry(MethodSemanticsAttributes.Raiser, accessors.Raiser, eventHandle); |
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} |
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entries.Sort(); |
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void AddEntry(MethodSemanticsAttributes semantics, MethodDefinitionHandle method, EntityHandle association) |
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{ |
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if ((semantics & filter) == 0 || method.IsNil) |
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return; |
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entries.Add(new Entry(semantics, method, association)); |
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} |
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} |
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public (EntityHandle, MethodSemanticsAttributes) GetSemantics(MethodDefinitionHandle method) |
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{ |
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int pos = entries.BinarySearch(new Entry(0, method, default(EntityHandle))); |
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if (pos >= 0) { |
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return (entries[pos].Association, entries[pos].Semantics); |
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} else { |
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return (default(EntityHandle), 0); |
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} |
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} |
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} |
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} |
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@ -0,0 +1,147 @@ |
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// Copyright (c) 2018 Daniel Grunwald
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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.Diagnostics; |
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using System.Linq; |
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using System.Reflection; |
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using System.Reflection.Metadata; |
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using System.Reflection.Metadata.Ecma335; |
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using System.Runtime.CompilerServices; |
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using System.Runtime.InteropServices; |
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using ICSharpCode.Decompiler.Semantics; |
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using ICSharpCode.Decompiler.Util; |
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namespace ICSharpCode.Decompiler.TypeSystem.Implementation |
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{ |
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sealed class MetadataEvent : IEvent |
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{ |
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readonly MetadataAssembly assembly; |
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readonly EventDefinitionHandle handle; |
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readonly EventAccessors accessors; |
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readonly string name; |
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// lazy-loaded:
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IAttribute[] customAttributes; |
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IType returnType; |
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internal MetadataEvent(MetadataAssembly assembly, EventDefinitionHandle handle) |
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{ |
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Debug.Assert(assembly != null); |
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Debug.Assert(!handle.IsNil); |
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this.assembly = assembly; |
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this.handle = handle; |
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var metadata = assembly.metadata; |
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var ev = metadata.GetEventDefinition(handle); |
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accessors = ev.GetAccessors(); |
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name = metadata.GetString(ev.Name); |
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} |
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public EntityHandle MetadataToken => handle; |
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public string Name => name; |
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SymbolKind ISymbol.SymbolKind => SymbolKind.Event; |
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public bool CanAdd => !accessors.Adder.IsNil; |
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public bool CanRemove => !accessors.Remover.IsNil; |
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public bool CanInvoke => !accessors.Raiser.IsNil; |
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public IMethod AddAccessor => assembly.GetDefinition(accessors.Adder); |
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public IMethod RemoveAccessor => assembly.GetDefinition(accessors.Remover); |
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public IMethod InvokeAccessor => assembly.GetDefinition(accessors.Raiser); |
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IMethod AnyAccessor => assembly.GetDefinition(accessors.GetAny()); |
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#region Signature (ReturnType + Parameters)
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public IType ReturnType { |
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get { |
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var returnType = LazyInit.VolatileRead(ref this.returnType); |
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if (returnType != null) |
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return returnType; |
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var metadata = assembly.metadata; |
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var ev = metadata.GetEventDefinition(handle); |
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var context = new GenericContext(DeclaringTypeDefinition?.TypeParameters); |
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returnType = assembly.ResolveType(ev.Type, context, ev.GetCustomAttributes()); |
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return LazyInit.GetOrSet(ref this.returnType, returnType); |
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} |
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} |
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#endregion
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public bool IsExplicitInterfaceImplementation => AnyAccessor?.IsExplicitInterfaceImplementation ?? false; |
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public IEnumerable<IMember> ImplementedInterfaceMembers => GetInterfaceMembersFromAccessor(AnyAccessor); |
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internal static IEnumerable<IMember> GetInterfaceMembersFromAccessor(IMethod method) |
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{ |
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if (method == null) |
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return EmptyList<IMember>.Instance; |
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return method.ImplementedInterfaceMembers.Select(m => ((IMethod)m).AccessorOwner).Where(m => m != null); |
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} |
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public ITypeDefinition DeclaringTypeDefinition => AnyAccessor?.DeclaringTypeDefinition; |
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public IType DeclaringType => AnyAccessor?.DeclaringType; |
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IMember IMember.MemberDefinition => this; |
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TypeParameterSubstitution IMember.Substitution => TypeParameterSubstitution.Identity; |
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#region Attributes
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public IReadOnlyList<IAttribute> Attributes { |
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get { |
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var attr = LazyInit.VolatileRead(ref this.customAttributes); |
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if (attr != null) |
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return attr; |
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return LazyInit.GetOrSet(ref this.customAttributes, DecodeAttributes()); |
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} |
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} |
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IAttribute[] DecodeAttributes() |
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{ |
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var b = new AttributeListBuilder(assembly); |
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var metadata = assembly.metadata; |
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var eventDef = metadata.GetEventDefinition(handle); |
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b.Add(eventDef.GetCustomAttributes()); |
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return b.Build(); |
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} |
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#endregion
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public Accessibility Accessibility => AnyAccessor?.Accessibility ?? Accessibility.None; |
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public bool IsStatic => AnyAccessor?.IsStatic ?? false; |
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public bool IsAbstract => AnyAccessor?.IsAbstract ?? false; |
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public bool IsSealed => AnyAccessor?.IsSealed ?? false; |
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public bool IsVirtual => AnyAccessor?.IsVirtual ?? false; |
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public bool IsOverride => AnyAccessor?.IsOverride ?? false; |
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public bool IsOverridable => AnyAccessor?.IsOverridable ?? false; |
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bool IEntity.IsShadowing => AnyAccessor?.IsShadowing ?? false; |
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public IAssembly ParentAssembly => assembly; |
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public ICompilation Compilation => assembly.Compilation; |
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public string FullName => $"{DeclaringType?.FullName}.{Name}"; |
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public string ReflectionName => $"{DeclaringType?.ReflectionName}.{Name}"; |
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public string Namespace => DeclaringType?.Namespace ?? string.Empty; |
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bool IMember.Equals(IMember obj, TypeVisitor typeNormalization) |
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{ |
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return this == obj; |
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} |
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public IMember Specialize(TypeParameterSubstitution substitution) |
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{ |
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return SpecializedEvent.Create(this, substitution); |
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} |
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} |
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} |
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