99 lines
2.9 KiB
C#
99 lines
2.9 KiB
C#
/*
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Copyright (C) 2011-2015 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 dnlib.DotNet;
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using de4dot.blocks;
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namespace AssemblyData.methodsrewriter {
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class TypeInstanceResolver {
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Type type;
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Dictionary<string, List<MethodBase>> methods;
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Dictionary<string, List<FieldInfo>> fields;
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public TypeInstanceResolver(Type type, ITypeDefOrRef typeRef) {
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this.type = ResolverUtils.MakeInstanceType(type, typeRef);
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}
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public FieldInfo Resolve(IField fieldRef) {
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InitFields();
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List<FieldInfo> list;
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if (!fields.TryGetValue(fieldRef.Name.String, out list))
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return null;
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fieldRef = GenericArgsSubstitutor.Create(fieldRef, fieldRef.DeclaringType.TryGetGenericInstSig());
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foreach (var field in list) {
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if (ResolverUtils.CompareFields(field, fieldRef))
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return field;
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}
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return null;
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}
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void InitFields() {
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if (fields != null)
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return;
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fields = new Dictionary<string, List<FieldInfo>>(StringComparer.Ordinal);
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var flags = BindingFlags.DeclaredOnly | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance;
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foreach (var field in type.GetFields(flags)) {
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List<FieldInfo> list;
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if (!fields.TryGetValue(field.Name, out list))
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fields[field.Name] = list = new List<FieldInfo>();
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list.Add(field);
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}
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}
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public MethodBase Resolve(IMethod methodRef) {
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InitMethods();
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List<MethodBase> list;
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if (!methods.TryGetValue(methodRef.Name.String, out list))
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return null;
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methodRef = GenericArgsSubstitutor.Create(methodRef, methodRef.DeclaringType.TryGetGenericInstSig());
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foreach (var method in list) {
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if (ResolverUtils.CompareMethods(method, methodRef))
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return method;
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}
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return null;
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}
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void InitMethods() {
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if (methods != null)
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return;
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methods = new Dictionary<string, List<MethodBase>>(StringComparer.Ordinal);
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var flags = BindingFlags.DeclaredOnly | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance;
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foreach (var method in ResolverUtils.GetMethodBases(type, flags)) {
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List<MethodBase> list;
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if (!methods.TryGetValue(method.Name, out list))
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methods[method.Name] = list = new List<MethodBase>();
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list.Add(method);
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}
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}
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}
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}
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