145 lines
4.0 KiB
C#
145 lines
4.0 KiB
C#
/*
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Copyright (C) 2011-2012 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 dot10.DotNet;
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using de4dot.blocks;
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namespace AssemblyData.methodsrewriter {
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class MGenericParameter {
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}
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class AssemblyResolver {
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Dictionary<string, List<TypeResolver>> types = new Dictionary<string, List<TypeResolver>>(StringComparer.Ordinal);
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List<MethodBase> globalMethods;
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List<FieldInfo> globalFields;
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Assembly assembly;
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public AssemblyResolver(string asmName) {
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assembly = Assembly.Load(new AssemblyName(asmName));
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initTypes();
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}
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void initTypes() {
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foreach (var type in assembly.GetTypes()) {
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string key = (type.Namespace ?? "") + "." + type.Name;
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List<TypeResolver> list;
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if (!types.TryGetValue(key, out list))
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types[key] = list = new List<TypeResolver>();
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list.Add(new TypeResolver(type));
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}
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}
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TypeResolver getTypeResolver(ITypeDefOrRef typeRef) {
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var key = typeRef.Namespace + "." + typeRef.TypeName;
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List<TypeResolver> list;
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if (!types.TryGetValue(key, out list))
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return null;
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if (typeRef is TypeDef) {
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foreach (var resolver in list) {
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if (resolver.type.MetadataToken == typeRef.MDToken.Raw)
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return resolver;
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}
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}
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foreach (var resolver in list) {
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if (ResolverUtils.compareTypes(resolver.type, typeRef))
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return resolver;
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}
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return null;
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}
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public FieldInfo resolve(IField fieldRef) {
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var resolver = getTypeResolver(fieldRef.DeclaringType);
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if (resolver != null)
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return resolver.resolve(fieldRef);
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return resolveGlobalField(fieldRef);
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}
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FieldInfo resolveGlobalField(IField fieldRef) {
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initGlobalFields();
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foreach (var globalField in globalFields) {
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if (ResolverUtils.compareFields(globalField, fieldRef))
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return globalField;
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}
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return null;
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}
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void initGlobalFields() {
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if (globalFields != null)
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return;
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globalFields = new List<FieldInfo>();
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var flags = BindingFlags.DeclaredOnly | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance;
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foreach (var module in assembly.GetModules(true)) {
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foreach (var method in module.GetFields(flags))
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globalFields.Add(method);
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}
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}
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public MethodBase resolve(IMethod methodRef) {
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var resolver = getTypeResolver(methodRef.DeclaringType);
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if (resolver != null)
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return resolver.resolve(methodRef);
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return resolveGlobalMethod(methodRef);
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}
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MethodBase resolveGlobalMethod(IMethod methodRef) {
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initGlobalMethods();
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foreach (var globalMethod in globalMethods) {
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if (ResolverUtils.compareMethods(globalMethod, methodRef))
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return globalMethod;
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}
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return null;
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}
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void initGlobalMethods() {
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if (globalMethods != null)
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return;
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globalMethods = new List<MethodBase>();
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var flags = BindingFlags.DeclaredOnly | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance;
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foreach (var module in assembly.GetModules(true)) {
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foreach (var method in module.GetMethods(flags))
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globalMethods.Add(method);
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}
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}
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public Type resolve(ITypeDefOrRef typeRef) {
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var resolver = getTypeResolver(typeRef);
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if (resolver != null)
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return resolver.type;
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var ts = typeRef as TypeSpec;
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if (ts != null && ts.TypeSig is GenericSig)
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return typeof(MGenericParameter);
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return null;
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}
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public override string ToString() {
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return assembly.ToString();
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}
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}
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}
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