100 lines
3.7 KiB
C#
100 lines
3.7 KiB
C#
/*
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Copyright (C) 2011 de4dot@gmail.com
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This file is part of de4dot.
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de4dot is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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de4dot is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with de4dot. If not, see <http://www.gnu.org/licenses/>.
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*/
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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 Mono.Cecil;
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using de4dot.blocks;
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namespace AssemblyData.methodsrewriter {
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public static class Resolver {
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static Dictionary<string, AssemblyResolver> assemblyResolvers = new Dictionary<string, AssemblyResolver>(StringComparer.Ordinal);
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static AssemblyResolver getAssemblyResolver(IMetadataScope scope) {
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var asmName = DotNetUtils.getFullAssemblyName(scope);
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AssemblyResolver resolver;
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if (!assemblyResolvers.TryGetValue(asmName, out resolver))
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assemblyResolvers[asmName] = resolver = new AssemblyResolver(asmName);
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return resolver;
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}
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public static Type resolve(TypeReference typeReference) {
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var elemType = typeReference.GetElementType();
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var resolver = getAssemblyResolver(elemType.Scope);
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var resolvedType = resolver.resolve(elemType);
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if (resolvedType != null)
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return fixType(typeReference, resolvedType);
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throw new ApplicationException(string.Format("Could not resolve type {0} ({1:X8}) in assembly {2}", typeReference, typeReference.MetadataToken.ToUInt32(), resolver));
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}
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public static FieldInfo resolve(FieldReference fieldReference) {
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var resolver = getAssemblyResolver(fieldReference.DeclaringType.Scope);
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var fieldInfo = resolver.resolve(fieldReference);
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if (fieldInfo != null)
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return fieldInfo;
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throw new ApplicationException(string.Format("Could not resolve field {0} ({1:X8}) in assembly {2}", fieldReference, fieldReference.MetadataToken.ToUInt32(), resolver));
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}
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public static MethodBase resolve(MethodReference methodReference) {
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var resolver = getAssemblyResolver(methodReference.DeclaringType.Scope);
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var methodBase = resolver.resolve(methodReference);
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if (methodBase != null)
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return methodBase;
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throw new ApplicationException(string.Format("Could not resolve method {0} ({1:X8}) in assembly {2}", methodReference, methodReference.MetadataToken.ToUInt32(), resolver));
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}
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static Type fixType(TypeReference typeReference, Type type) {
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while (typeReference is TypeSpecification) {
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var ts = (TypeSpecification)typeReference;
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if (typeReference is ArrayType) {
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var arrayType = (ArrayType)typeReference;
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if (arrayType.IsVector)
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type = type.MakeArrayType();
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else
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type = type.MakeArrayType(arrayType.Rank);
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}
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else if (typeReference is ByReferenceType) {
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type = type.MakeByRefType();
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}
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else if (typeReference is PointerType) {
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type = type.MakePointerType();
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}
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else if (typeReference is GenericInstanceType) {
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var git = (GenericInstanceType)typeReference;
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var args = new Type[git.GenericArguments.Count];
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bool isGenericTypeDef = true;
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for (int i = 0; i < args.Length; i++) {
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var typeRef = git.GenericArguments[i];
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if (!(typeRef.GetElementType() is GenericParameter))
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isGenericTypeDef = false;
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args[i] = Resolver.resolve(typeRef);
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}
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if (!isGenericTypeDef)
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type = type.MakeGenericType(args);
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}
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typeReference = ts.ElementType;
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}
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return type;
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}
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}
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}
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