693 lines
16 KiB
C#
693 lines
16 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 dot10.DotNet;
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using dot10.DotNet.Emit;
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using de4dot.blocks;
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namespace de4dot.code.renamer.asmmodules {
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enum ObjectType {
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Unknown,
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EventDef,
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FieldDef,
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GenericParam,
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MemberRef,
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MethodDef,
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MethodSpec,
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PropertyDef,
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TypeDef,
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TypeRef,
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TypeSig,
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TypeSpec,
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ExportedType,
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}
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class MemberRefFinder {
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public Dictionary<CustomAttribute, bool> customAttributes = new Dictionary<CustomAttribute, bool>();
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public Dictionary<EventDef, bool> eventDefs = new Dictionary<EventDef, bool>();
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public Dictionary<FieldDef, bool> fieldDefs = new Dictionary<FieldDef, bool>();
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public Dictionary<GenericParam, bool> genericParams = new Dictionary<GenericParam, bool>();
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public Dictionary<MemberRef, bool> memberRefs = new Dictionary<MemberRef, bool>();
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public Dictionary<MethodDef, bool> methodDefs = new Dictionary<MethodDef, bool>();
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public Dictionary<MethodSpec, bool> methodSpecs = new Dictionary<MethodSpec, bool>();
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public Dictionary<PropertyDef, bool> propertyDefs = new Dictionary<PropertyDef, bool>();
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public Dictionary<TypeDef, bool> typeDefs = new Dictionary<TypeDef, bool>();
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public Dictionary<TypeRef, bool> typeRefs = new Dictionary<TypeRef, bool>();
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public Dictionary<TypeSig, bool> typeSigs = new Dictionary<TypeSig, bool>();
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public Dictionary<TypeSpec, bool> typeSpecs = new Dictionary<TypeSpec, bool>();
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public Dictionary<ExportedType, bool> exportedTypes = new Dictionary<ExportedType, bool>();
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Stack<object> objectStack;
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ModuleDef validModule;
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public void removeTypeDef(TypeDef td) {
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if (!typeDefs.Remove(td))
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throw new ApplicationException(string.Format("Could not remove TypeDef: {0}", td));
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}
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public void removeEventDef(EventDef ed) {
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if (!eventDefs.Remove(ed))
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throw new ApplicationException(string.Format("Could not remove EventDef: {0}", ed));
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}
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public void removeFieldDef(FieldDef fd) {
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if (!fieldDefs.Remove(fd))
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throw new ApplicationException(string.Format("Could not remove FieldDef: {0}", fd));
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}
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public void removeMethodDef(MethodDef md) {
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if (!methodDefs.Remove(md))
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throw new ApplicationException(string.Format("Could not remove MethodDef: {0}", md));
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}
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public void removePropertyDef(PropertyDef pd) {
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if (!propertyDefs.Remove(pd))
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throw new ApplicationException(string.Format("Could not remove PropertyDef: {0}", pd));
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}
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public void findAll(ModuleDef module) {
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validModule = module;
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// This needs to be big. About 2048 entries should be enough for most though...
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objectStack = new Stack<object>(0x1000);
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add(module);
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processAll();
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objectStack = null;
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}
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void push(object mr) {
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if (mr == null)
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return;
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objectStack.Push(mr);
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}
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void processAll() {
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while (objectStack.Count > 0) {
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var o = objectStack.Pop();
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switch (getObjectType(o)) {
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case ObjectType.Unknown: break;
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case ObjectType.EventDef: add((EventDef)o); break;
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case ObjectType.FieldDef: add((FieldDef)o); break;
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case ObjectType.GenericParam: add((GenericParam)o); break;
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case ObjectType.MemberRef: add((MemberRef)o); break;
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case ObjectType.MethodDef: add((MethodDef)o); break;
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case ObjectType.MethodSpec: add((MethodSpec)o); break;
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case ObjectType.PropertyDef:add((PropertyDef)o); break;
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case ObjectType.TypeDef: add((TypeDef)o); break;
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case ObjectType.TypeRef: add((TypeRef)o); break;
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case ObjectType.TypeSig: add((TypeSig)o); break;
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case ObjectType.TypeSpec: add((TypeSpec)o); break;
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case ObjectType.ExportedType: add((ExportedType)o); break;
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default: throw new InvalidOperationException(string.Format("Unknown type: {0}", o.GetType()));
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}
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}
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}
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readonly Dictionary<Type, ObjectType> toObjectType = new Dictionary<Type, ObjectType>();
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ObjectType getObjectType(object o) {
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if (o == null)
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return ObjectType.Unknown;
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var type = o.GetType();
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ObjectType mrType;
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if (toObjectType.TryGetValue(type, out mrType))
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return mrType;
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mrType = getObjectType2(o);
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toObjectType[type] = mrType;
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return mrType;
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}
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static ObjectType getObjectType2(object o) {
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if (o is EventDef) return ObjectType.EventDef;
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if (o is FieldDef) return ObjectType.FieldDef;
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if (o is GenericParam) return ObjectType.GenericParam;
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if (o is MemberRef) return ObjectType.MemberRef;
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if (o is MethodDef) return ObjectType.MethodDef;
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if (o is MethodSpec) return ObjectType.MethodSpec;
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if (o is PropertyDef) return ObjectType.PropertyDef;
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if (o is TypeDef) return ObjectType.TypeDef;
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if (o is TypeRef) return ObjectType.TypeRef;
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if (o is TypeSig) return ObjectType.TypeSig;
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if (o is TypeSpec) return ObjectType.TypeSpec;
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if (o is ExportedType) return ObjectType.ExportedType;
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return ObjectType.Unknown;
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}
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void add(ModuleDef mod) {
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push(mod.ManagedEntryPoint);
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add(mod.CustomAttributes);
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add(mod.Types);
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add(mod.ExportedTypes);
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if (mod.IsManifestModule)
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add(mod.Assembly);
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add(mod.VTableFixups);
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}
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void add(VTableFixups fixups) {
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if (fixups == null)
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return;
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foreach (var fixup in fixups) {
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foreach (var method in fixup)
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push(method);
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}
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}
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void add(AssemblyDef asm) {
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if (asm == null)
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return;
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add(asm.DeclSecurities);
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add(asm.CustomAttributes);
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}
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void add(CallingConventionSig sig) {
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if (sig == null)
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return;
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var fs = sig as FieldSig;
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if (fs != null) {
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add(fs);
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return;
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}
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var mbs = sig as MethodBaseSig;
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if (mbs != null) {
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add(mbs);
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return;
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}
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var ls = sig as LocalSig;
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if (ls != null) {
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add(ls);
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return;
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}
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var gims = sig as GenericInstMethodSig;
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if (gims != null) {
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add(gims);
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return;
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}
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}
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void add(FieldSig sig) {
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if (sig == null)
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return;
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add(sig.Type);
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}
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void add(MethodBaseSig sig) {
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if (sig == null)
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return;
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add(sig.RetType);
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add(sig.Params);
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add(sig.ParamsAfterSentinel);
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}
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void add(LocalSig sig) {
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if (sig == null)
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return;
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add(sig.Locals);
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}
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void add(GenericInstMethodSig sig) {
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if (sig == null)
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return;
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add(sig.GenericArguments);
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}
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void add(IEnumerable<CustomAttribute> cas) {
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if (cas == null)
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return;
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foreach (var ca in cas)
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add(ca);
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}
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void add(CustomAttribute ca) {
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if (ca == null || customAttributes.ContainsKey(ca))
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return;
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customAttributes[ca] = true;
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push(ca.Constructor);
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add(ca.ConstructorArguments);
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add(ca.NamedArguments);
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}
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void add(IEnumerable<CAArgument> args) {
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if (args == null)
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return;
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foreach (var arg in args)
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add(arg);
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}
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void add(CAArgument arg) {
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// It's a struct so can't be null
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add(arg.Type);
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}
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void add(IEnumerable<CANamedArgument> args) {
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if (args == null)
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return;
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foreach (var arg in args)
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add(arg);
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}
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void add(CANamedArgument arg) {
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if (arg == null)
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return;
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add(arg.Type);
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add(arg.Argument);
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}
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void add(IEnumerable<DeclSecurity> decls) {
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if (decls == null)
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return;
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foreach (var decl in decls)
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add(decl);
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}
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void add(DeclSecurity decl) {
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if (decl == null)
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return;
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add(decl.CustomAttributes);
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}
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void add(IEnumerable<EventDef> eds) {
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if (eds == null)
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return;
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foreach (var ed in eds)
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add(ed);
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}
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void add(EventDef ed) {
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if (ed == null || eventDefs.ContainsKey(ed))
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return;
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if (ed.DeclaringType != null && ed.DeclaringType.Module != validModule)
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return;
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eventDefs[ed] = true;
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push(ed.EventType);
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add(ed.CustomAttributes);
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add(ed.AddMethod);
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add(ed.InvokeMethod);
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add(ed.RemoveMethod);
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add(ed.OtherMethods);
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add(ed.DeclaringType);
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}
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void add(IEnumerable<FieldDef> fds) {
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if (fds == null)
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return;
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foreach (var fd in fds)
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add(fd);
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}
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void add(FieldDef fd) {
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if (fd == null || fieldDefs.ContainsKey(fd))
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return;
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if (fd.DeclaringType != null && fd.DeclaringType.Module != validModule)
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return;
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fieldDefs[fd] = true;
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add(fd.CustomAttributes);
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add(fd.Signature);
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add(fd.DeclaringType);
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}
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void add(IEnumerable<GenericParam> gps) {
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if (gps == null)
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return;
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foreach (var gp in gps)
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add(gp);
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}
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void add(GenericParam gp) {
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if (gp == null || genericParams.ContainsKey(gp))
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return;
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genericParams[gp] = true;
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push(gp.Owner);
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push(gp.Kind);
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add(gp.GenericParamConstraints);
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add(gp.CustomAttributes);
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}
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void add(IEnumerable<GenericParamConstraint> gpcs) {
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if (gpcs == null)
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return;
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foreach (var gpc in gpcs)
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add(gpc);
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}
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void add(GenericParamConstraint gpc) {
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if (gpc == null)
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return;
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add(gpc.Owner);
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push(gpc.Constraint);
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add(gpc.CustomAttributes);
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}
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void add(MemberRef mr) {
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if (mr == null || memberRefs.ContainsKey(mr))
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return;
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if (mr.Module != validModule)
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return;
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memberRefs[mr] = true;
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push(mr.Class);
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add(mr.Signature);
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add(mr.CustomAttributes);
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}
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void add(IEnumerable<MethodDef> methods) {
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if (methods == null)
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return;
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foreach (var m in methods)
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add(m);
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}
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void add(MethodDef md) {
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if (md == null || methodDefs.ContainsKey(md))
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return;
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if (md.DeclaringType != null && md.DeclaringType.Module != validModule)
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return;
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methodDefs[md] = true;
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add(md.Signature);
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add(md.ParamDefs);
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add(md.GenericParameters);
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add(md.DeclSecurities);
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add(md.MethodBody);
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add(md.CustomAttributes);
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add(md.Overrides);
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add(md.DeclaringType);
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}
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void add(MethodBody mb) {
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var cb = mb as CilBody;
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if (cb != null)
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add(cb);
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}
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void add(CilBody cb) {
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if (cb == null)
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return;
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add(cb.Instructions);
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add(cb.ExceptionHandlers);
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add(cb.Variables);
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}
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void add(IEnumerable<Instruction> instrs) {
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if (instrs == null)
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return;
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foreach (var instr in instrs) {
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if (instr == null)
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continue;
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switch (instr.OpCode.OperandType) {
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case OperandType.InlineTok:
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case OperandType.InlineType:
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case OperandType.InlineMethod:
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case OperandType.InlineField:
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push(instr.Operand);
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break;
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case OperandType.InlineSig:
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add(instr.Operand as CallingConventionSig);
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break;
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case OperandType.InlineVar:
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case OperandType.ShortInlineVar:
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var local = instr.Operand as Local;
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if (local != null) {
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add(local);
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break;
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}
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var arg = instr.Operand as Parameter;
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if (arg != null) {
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add(arg);
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break;
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}
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break;
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}
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}
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}
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void add(IEnumerable<ExceptionHandler> ehs) {
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if (ehs == null)
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return;
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foreach (var eh in ehs)
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push(eh.CatchType);
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}
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void add(IEnumerable<Local> locals) {
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if (locals == null)
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return;
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foreach (var local in locals)
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add(local);
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}
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void add(Local local) {
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if (local == null)
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return;
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add(local.Type);
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}
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void add(IEnumerable<Parameter> ps) {
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if (ps == null)
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return;
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foreach (var p in ps)
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add(p);
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}
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void add(Parameter param) {
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if (param == null)
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return;
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add(param.Type);
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add(param.Method);
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}
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void add(IEnumerable<ParamDef> pds) {
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if (pds == null)
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return;
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foreach (var pd in pds)
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add(pd);
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}
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void add(ParamDef pd) {
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if (pd == null)
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return;
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add(pd.DeclaringMethod);
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add(pd.CustomAttributes);
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}
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void add(IEnumerable<MethodOverride> mos) {
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if (mos == null)
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return;
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foreach (var mo in mos)
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add(mo);
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}
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void add(MethodOverride mo) {
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// It's a struct so can't be null
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push(mo.MethodBody);
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push(mo.MethodDeclaration);
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}
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void add(MethodSpec ms) {
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if (ms == null || methodSpecs.ContainsKey(ms))
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return;
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if (ms.Method != null && ms.Method.DeclaringType != null && ms.Method.DeclaringType.Module != validModule)
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return;
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methodSpecs[ms] = true;
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push(ms.Method);
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add(ms.Instantiation);
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add(ms.CustomAttributes);
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}
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void add(IEnumerable<PropertyDef> pds) {
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if (pds == null)
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return;
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foreach (var pd in pds)
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add(pd);
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}
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void add(PropertyDef pd) {
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if (pd == null || propertyDefs.ContainsKey(pd))
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return;
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if (pd.DeclaringType != null && pd.DeclaringType.Module != validModule)
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return;
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propertyDefs[pd] = true;
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add(pd.Type);
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add(pd.CustomAttributes);
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add(pd.GetMethod);
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add(pd.SetMethod);
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add(pd.OtherMethods);
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add(pd.DeclaringType);
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}
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void add(IEnumerable<TypeDef> tds) {
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if (tds == null)
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return;
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foreach (var td in tds)
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add(td);
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}
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void add(TypeDef td) {
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if (td == null || typeDefs.ContainsKey(td))
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return;
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if (td.Module != validModule)
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return;
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typeDefs[td] = true;
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push(td.BaseType);
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add(td.Fields);
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add(td.Methods);
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add(td.GenericParameters);
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add(td.Interfaces);
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add(td.DeclSecurities);
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add(td.DeclaringType);
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add(td.Events);
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add(td.Properties);
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add(td.NestedTypes);
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add(td.CustomAttributes);
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}
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void add(IEnumerable<InterfaceImpl> iis) {
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if (iis == null)
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return;
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foreach (var ii in iis)
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add(ii);
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}
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void add(InterfaceImpl ii) {
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if (ii == null)
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return;
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push(ii.Interface);
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add(ii.CustomAttributes);
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}
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void add(TypeRef tr) {
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if (tr == null || typeRefs.ContainsKey(tr))
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return;
|
|
if (tr.Module != validModule)
|
|
return;
|
|
typeRefs[tr] = true;
|
|
push(tr.ResolutionScope);
|
|
add(tr.CustomAttributes);
|
|
}
|
|
|
|
void add(IEnumerable<TypeSig> tss) {
|
|
if (tss == null)
|
|
return;
|
|
foreach (var ts in tss)
|
|
add(ts);
|
|
}
|
|
|
|
void add(TypeSig ts) {
|
|
if (ts == null || typeSigs.ContainsKey(ts))
|
|
return;
|
|
if (ts.Module != validModule)
|
|
return;
|
|
typeSigs[ts] = true;
|
|
|
|
for (; ts != null; ts = ts.Next) {
|
|
switch (ts.ElementType) {
|
|
case ElementType.Void:
|
|
case ElementType.Boolean:
|
|
case ElementType.Char:
|
|
case ElementType.I1:
|
|
case ElementType.U1:
|
|
case ElementType.I2:
|
|
case ElementType.U2:
|
|
case ElementType.I4:
|
|
case ElementType.U4:
|
|
case ElementType.I8:
|
|
case ElementType.U8:
|
|
case ElementType.R4:
|
|
case ElementType.R8:
|
|
case ElementType.String:
|
|
case ElementType.ValueType:
|
|
case ElementType.Class:
|
|
case ElementType.TypedByRef:
|
|
case ElementType.I:
|
|
case ElementType.U:
|
|
case ElementType.Object:
|
|
var tdrs = (TypeDefOrRefSig)ts;
|
|
push(tdrs.TypeDefOrRef);
|
|
break;
|
|
|
|
case ElementType.FnPtr:
|
|
var fps = (FnPtrSig)ts;
|
|
add(fps.Signature);
|
|
break;
|
|
|
|
case ElementType.GenericInst:
|
|
var gis = (GenericInstSig)ts;
|
|
add(gis.GenericType);
|
|
add(gis.GenericArguments);
|
|
break;
|
|
|
|
case ElementType.CModReqd:
|
|
case ElementType.CModOpt:
|
|
var ms = (ModifierSig)ts;
|
|
push(ms.Modifier);
|
|
break;
|
|
|
|
case ElementType.End:
|
|
case ElementType.Ptr:
|
|
case ElementType.ByRef:
|
|
case ElementType.Var:
|
|
case ElementType.Array:
|
|
case ElementType.ValueArray:
|
|
case ElementType.R:
|
|
case ElementType.SZArray:
|
|
case ElementType.MVar:
|
|
case ElementType.Internal:
|
|
case ElementType.Module:
|
|
case ElementType.Sentinel:
|
|
case ElementType.Pinned:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void add(TypeSpec ts) {
|
|
if (ts == null || typeSpecs.ContainsKey(ts))
|
|
return;
|
|
if (ts.Module != validModule)
|
|
return;
|
|
typeSpecs[ts] = true;
|
|
add(ts.TypeSig);
|
|
add(ts.CustomAttributes);
|
|
}
|
|
|
|
void add(IEnumerable<ExportedType> ets) {
|
|
if (ets == null)
|
|
return;
|
|
foreach (var et in ets)
|
|
add(et);
|
|
}
|
|
|
|
void add(ExportedType et) {
|
|
if (et == null || exportedTypes.ContainsKey(et))
|
|
return;
|
|
if (et.Module != validModule)
|
|
return;
|
|
exportedTypes[et] = true;
|
|
add(et.CustomAttributes);
|
|
push(et.Implementation);
|
|
}
|
|
}
|
|
}
|