1598 lines
50 KiB
C#
1598 lines
50 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.Text.RegularExpressions;
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using dot10.DotNet;
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using dot10.DotNet.Emit;
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using dot10.DotNet.MD;
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using de4dot.code.renamer.asmmodules;
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using de4dot.blocks;
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namespace de4dot.code.renamer {
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public class Renamer {
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public bool RenameNamespaces { get; set; }
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public bool RenameTypes { get; set; }
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public bool RenameProperties { get; set; }
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public bool RenameEvents { get; set; }
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public bool RenameFields { get; set; }
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public bool RenameMethods { get; set; }
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public bool RenameMethodArgs { get; set; }
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public bool RenameGenericParams { get; set; }
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public bool RestoreProperties { get; set; }
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public bool RestorePropertiesFromNames { get; set; }
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public bool RestoreEvents { get; set; }
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public bool RestoreEventsFromNames { get; set; }
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Modules modules;
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MemberInfos memberInfos = new MemberInfos();
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DerivedFrom isDelegateClass;
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MergeStateHelper mergeStateHelper;
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static string[] delegateClasses = new string[] {
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"System.Delegate",
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"System.MulticastDelegate",
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};
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public Renamer(IDeobfuscatorContext deobfuscatorContext, IEnumerable<IObfuscatedFile> files) {
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RenameNamespaces = true;
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RenameTypes = true;
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RenameProperties = true;
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RenameEvents = true;
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RenameFields = true;
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RenameMethods = true;
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RenameMethodArgs = true;
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RenameGenericParams = true;
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RestoreProperties = true;
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RestorePropertiesFromNames = true;
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RestoreEvents = true;
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RestoreEventsFromNames = true;
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modules = new Modules(deobfuscatorContext);
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isDelegateClass = new DerivedFrom(delegateClasses);
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mergeStateHelper = new MergeStateHelper(memberInfos);
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foreach (var file in files)
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modules.add(new Module(file));
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}
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public void rename() {
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if (modules.Empty)
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return;
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Log.n("Renaming all obfuscated symbols");
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modules.initialize();
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renameResourceKeys();
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var groups = modules.initializeVirtualMembers();
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memberInfos.initialize(modules);
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renameTypeDefinitions();
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renameTypeReferences();
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modules.onTypesRenamed();
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restorePropertiesAndEvents(groups);
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prepareRenameMemberDefinitions(groups);
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renameMemberDefinitions();
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renameMemberReferences();
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removeUselessOverrides(groups);
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renameResources();
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modules.cleanUp();
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}
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void renameResourceKeys() {
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foreach (var module in modules.TheModules) {
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if (!module.ObfuscatedFile.RenameResourceKeys)
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continue;
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new ResourceKeysRenamer(module.ModuleDefMD, module.ObfuscatedFile.NameChecker).rename();
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}
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}
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void removeUselessOverrides(MethodNameGroups groups) {
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foreach (var group in groups.getAllGroups()) {
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foreach (var method in group.Methods) {
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if (!method.Owner.HasModule)
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continue;
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if (!method.isPublic())
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continue;
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var overrides = method.MethodDef.Overrides;
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for (int i = 0; i < overrides.Count; i++) {
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var overrideMethod = overrides[i].MethodDeclaration;
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if (method.MethodDef.Name != overrideMethod.Name)
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continue;
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Log.v("Removed useless override from method {0} ({1:X8}), override: {2:X8}",
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Utils.removeNewlines(method.MethodDef),
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method.MethodDef.MDToken.ToInt32(),
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overrideMethod.MDToken.ToInt32());
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overrides.RemoveAt(i);
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i--;
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}
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}
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}
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}
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void renameTypeDefinitions() {
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Log.v("Renaming obfuscated type definitions");
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foreach (var module in modules.TheModules) {
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if (module.ObfuscatedFile.RemoveNamespaceWithOneType)
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removeOneClassNamespaces(module);
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}
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var state = new TypeRenamerState();
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foreach (var type in modules.AllTypes)
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state.addTypeName(memberInfos.type(type).oldName);
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prepareRenameTypes(modules.BaseTypes, state);
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fixClsTypeNames();
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renameTypeDefinitions(modules.NonNestedTypes);
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}
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void removeOneClassNamespaces(Module module) {
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var nsToTypes = new Dictionary<string, List<MTypeDef>>(StringComparer.Ordinal);
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foreach (var typeDef in module.getAllTypes()) {
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List<MTypeDef> list;
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var ns = typeDef.TypeDef.Namespace.String;
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if (string.IsNullOrEmpty(ns))
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continue;
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if (module.ObfuscatedFile.NameChecker.isValidNamespaceName(ns))
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continue;
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if (!nsToTypes.TryGetValue(ns, out list))
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nsToTypes[ns] = list = new List<MTypeDef>();
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list.Add(typeDef);
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}
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var sortedNamespaces = new List<List<MTypeDef>>(nsToTypes.Values);
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sortedNamespaces.Sort((a, b) => {
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return UTF8String.CompareTo(a[0].TypeDef.Namespace, b[0].TypeDef.Namespace);
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});
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foreach (var list in sortedNamespaces) {
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const int maxClasses = 1;
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if (list.Count != maxClasses)
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continue;
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var ns = list[0].TypeDef.Namespace;
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Log.v("Removing namespace: {0}", Utils.removeNewlines(ns));
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foreach (var type in list)
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memberInfos.type(type).newNamespace = "";
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}
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}
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void renameTypeDefinitions(IEnumerable<MTypeDef> typeDefs) {
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Log.indent();
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foreach (var typeDef in typeDefs) {
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rename(typeDef);
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renameTypeDefinitions(typeDef.NestedTypes);
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}
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Log.deIndent();
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}
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void rename(MTypeDef type) {
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var typeDefinition = type.TypeDef;
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var info = memberInfos.type(type);
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Log.v("Type: {0} ({1:X8})", Utils.removeNewlines(typeDefinition.FullName), typeDefinition.MDToken.ToUInt32());
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Log.indent();
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renameGenericParams(type.GenericParams);
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if (RenameTypes && info.gotNewName()) {
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var old = typeDefinition.Name;
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typeDefinition.Name = new UTF8String(info.newName);
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Log.v("Name: {0} => {1}", Utils.removeNewlines(old), Utils.removeNewlines(typeDefinition.Name));
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}
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if (RenameNamespaces && info.newNamespace != null) {
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var old = typeDefinition.Namespace;
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typeDefinition.Namespace = new UTF8String(info.newNamespace);
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Log.v("Namespace: {0} => {1}", Utils.removeNewlines(old), Utils.removeNewlines(typeDefinition.Namespace));
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}
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Log.deIndent();
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}
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void renameGenericParams(IEnumerable<MGenericParamDef> genericParams) {
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if (!RenameGenericParams)
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return;
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foreach (var param in genericParams) {
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var info = memberInfos.gparam(param);
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if (!info.gotNewName())
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continue;
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param.GenericParam.Name = new UTF8String(info.newName);
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Log.v("GenParam: {0} => {1}", Utils.removeNewlines(info.oldFullName), Utils.removeNewlines(param.GenericParam.FullName));
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}
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}
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void renameMemberDefinitions() {
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Log.v("Renaming member definitions #2");
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var allTypes = new List<MTypeDef>(modules.AllTypes);
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allTypes.Sort((a, b) => a.Index.CompareTo(b.Index));
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Log.indent();
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foreach (var typeDef in allTypes)
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renameMembers(typeDef);
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Log.deIndent();
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}
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void renameMembers(MTypeDef type) {
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var info = memberInfos.type(type);
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Log.v("Type: {0}", Utils.removeNewlines(info.type.TypeDef.FullName));
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Log.indent();
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renameFields(info);
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renameProperties(info);
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renameEvents(info);
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renameMethods(info);
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Log.deIndent();
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}
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void renameFields(TypeInfo info) {
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if (!RenameFields)
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return;
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foreach (var fieldDef in info.type.AllFieldsSorted) {
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var fieldInfo = memberInfos.field(fieldDef);
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if (!fieldInfo.gotNewName())
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continue;
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fieldDef.FieldDef.Name = new UTF8String(fieldInfo.newName);
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Log.v("Field: {0} ({1:X8}) => {2}",
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Utils.removeNewlines(fieldInfo.oldFullName),
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fieldDef.FieldDef.MDToken.ToUInt32(),
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Utils.removeNewlines(fieldDef.FieldDef.FullName));
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}
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}
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void renameProperties(TypeInfo info) {
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if (!RenameProperties)
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return;
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foreach (var propDef in info.type.AllPropertiesSorted) {
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var propInfo = memberInfos.prop(propDef);
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if (!propInfo.gotNewName())
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continue;
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propDef.PropertyDef.Name = new UTF8String(propInfo.newName);
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Log.v("Property: {0} ({1:X8}) => {2}",
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Utils.removeNewlines(propInfo.oldFullName),
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propDef.PropertyDef.MDToken.ToUInt32(),
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Utils.removeNewlines(propDef.PropertyDef.FullName));
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}
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}
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void renameEvents(TypeInfo info) {
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if (!RenameEvents)
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return;
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foreach (var eventDef in info.type.AllEventsSorted) {
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var eventInfo = memberInfos.evt(eventDef);
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if (!eventInfo.gotNewName())
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continue;
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eventDef.EventDef.Name = new UTF8String(eventInfo.newName);
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Log.v("Event: {0} ({1:X8}) => {2}",
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Utils.removeNewlines(eventInfo.oldFullName),
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eventDef.EventDef.MDToken.ToUInt32(),
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Utils.removeNewlines(eventDef.EventDef.FullName));
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}
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}
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void renameMethods(TypeInfo info) {
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if (!RenameMethods && !RenameMethodArgs && !RenameGenericParams)
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return;
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foreach (var methodDef in info.type.AllMethodsSorted) {
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var methodInfo = memberInfos.method(methodDef);
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Log.v("Method {0} ({1:X8})", Utils.removeNewlines(methodInfo.oldFullName), methodDef.MethodDef.MDToken.ToUInt32());
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Log.indent();
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renameGenericParams(methodDef.GenericParams);
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if (RenameMethods && methodInfo.gotNewName()) {
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methodDef.MethodDef.Name = new UTF8String(methodInfo.newName);
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Log.v("Name: {0} => {1}", Utils.removeNewlines(methodInfo.oldFullName), Utils.removeNewlines(methodDef.MethodDef.FullName));
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}
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if (RenameMethodArgs) {
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foreach (var param in methodDef.AllParamDefs) {
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var paramInfo = memberInfos.param(param);
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if (!paramInfo.gotNewName())
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continue;
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param.ParameterDefinition.CreateParamDef();
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param.ParameterDefinition.Name = paramInfo.newName;
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if (param.IsReturnParameter)
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Log.v("RetParam: {0} => {1}", Utils.removeNewlines(paramInfo.oldName), Utils.removeNewlines(paramInfo.newName));
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else
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Log.v("Param ({0}/{1}): {2} => {3}", param.ParameterDefinition.MethodSigIndex + 1, methodDef.MethodDef.MethodSig.GetParamCount(), Utils.removeNewlines(paramInfo.oldName), Utils.removeNewlines(paramInfo.newName));
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}
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}
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Log.deIndent();
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}
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}
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void renameMemberReferences() {
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Log.v("Renaming references to other definitions");
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foreach (var module in modules.TheModules) {
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if (modules.TheModules.Count > 1)
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Log.v("Renaming references to other definitions ({0})", module.Filename);
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Log.indent();
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foreach (var refToDef in module.MethodRefsToRename)
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refToDef.reference.Name = refToDef.definition.Name;
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foreach (var refToDef in module.FieldRefsToRename)
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refToDef.reference.Name = refToDef.definition.Name;
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foreach (var info in module.CustomAttributeFieldReferences)
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info.cattr.NamedArguments[info.index].Name = info.reference.Name;
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foreach (var info in module.CustomAttributePropertyReferences)
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info.cattr.NamedArguments[info.index].Name = info.reference.Name;
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Log.deIndent();
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}
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}
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void renameResources() {
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Log.v("Renaming resources");
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foreach (var module in modules.TheModules) {
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if (modules.TheModules.Count > 1)
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Log.v("Renaming resources ({0})", module.Filename);
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Log.indent();
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renameResources(module);
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Log.deIndent();
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}
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}
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void renameResources(Module module) {
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var renamedTypes = new List<TypeInfo>();
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foreach (var type in module.getAllTypes()) {
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var info = memberInfos.type(type);
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if (info.oldFullName != info.type.TypeDef.FullName)
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renamedTypes.Add(info);
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}
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if (renamedTypes.Count == 0)
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return;
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new ResourceRenamer(module).rename(renamedTypes);
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}
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// Make sure the renamed types are using valid CLS names. That means renaming all
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// generic types from eg. Class1 to Class1`2. If we don't do this, some decompilers
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// (eg. ILSpy v1.0) won't produce correct output.
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void fixClsTypeNames() {
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foreach (var type in modules.NonNestedTypes)
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fixClsTypeNames(null, type);
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}
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void fixClsTypeNames(MTypeDef nesting, MTypeDef nested) {
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int nestingCount = nesting == null ? 0 : nesting.GenericParams.Count;
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int arity = nested.GenericParams.Count - nestingCount;
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var nestedInfo = memberInfos.type(nested);
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if (nestedInfo.renamed && arity > 0)
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nestedInfo.newName += "`" + arity;
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foreach (var nestedType in nested.NestedTypes)
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fixClsTypeNames(nested, nestedType);
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}
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void prepareRenameTypes(IEnumerable<MTypeDef> types, TypeRenamerState state) {
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foreach (var typeDef in types) {
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memberInfos.type(typeDef).prepareRenameTypes(state);
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prepareRenameTypes(typeDef.derivedTypes, state);
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}
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}
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void renameTypeReferences() {
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Log.v("Renaming references to type definitions");
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var theModules = modules.TheModules;
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foreach (var module in theModules) {
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if (theModules.Count > 1)
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Log.v("Renaming references to type definitions ({0})", module.Filename);
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Log.indent();
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foreach (var refToDef in module.TypeRefsToRename) {
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refToDef.reference.Name = refToDef.definition.Name;
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refToDef.reference.Namespace = refToDef.definition.Namespace;
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}
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Log.deIndent();
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}
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}
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void restorePropertiesAndEvents(MethodNameGroups groups) {
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var allGroups = groups.getAllGroups();
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restoreVirtualProperties(allGroups);
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restorePropertiesFromNames(allGroups);
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resetVirtualPropertyNames(allGroups);
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restoreVirtualEvents(allGroups);
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restoreEventsFromNames(allGroups);
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resetVirtualEventNames(allGroups);
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}
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void resetVirtualPropertyNames(IEnumerable<MethodNameGroup> allGroups) {
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if (!this.RenameProperties)
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return;
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foreach (var group in allGroups) {
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MPropertyDef prop = null;
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foreach (var method in group.Methods) {
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if (method.Property == null)
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continue;
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if (method.Owner.HasModule)
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continue;
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prop = method.Property;
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break;
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}
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if (prop == null)
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continue;
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foreach (var method in group.Methods) {
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if (!method.Owner.HasModule)
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continue;
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if (method.Property == null)
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continue;
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memberInfos.prop(method.Property).rename(prop.PropertyDef.Name.String);
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}
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}
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}
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void resetVirtualEventNames(IEnumerable<MethodNameGroup> allGroups) {
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if (!this.RenameEvents)
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return;
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foreach (var group in allGroups) {
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MEventDef evt = null;
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foreach (var method in group.Methods) {
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if (method.Event == null)
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continue;
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if (method.Owner.HasModule)
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continue;
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evt = method.Event;
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break;
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}
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if (evt == null)
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continue;
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foreach (var method in group.Methods) {
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if (!method.Owner.HasModule)
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continue;
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if (method.Event == null)
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continue;
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memberInfos.evt(method.Event).rename(evt.EventDef.Name.String);
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}
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}
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}
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void restoreVirtualProperties(IEnumerable<MethodNameGroup> allGroups) {
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if (!RestoreProperties)
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return;
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foreach (var group in allGroups) {
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restoreVirtualProperties(group);
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restoreExplicitVirtualProperties(group);
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}
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}
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void restoreExplicitVirtualProperties(MethodNameGroup group) {
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if (group.Methods.Count != 1)
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return;
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var propMethod = group.Methods[0];
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if (propMethod.Property != null)
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return;
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if (propMethod.MethodDef.Overrides.Count == 0)
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return;
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var theProperty = getOverriddenProperty(propMethod);
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if (theProperty == null)
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return;
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createProperty(theProperty, propMethod, getOverridePrefix(group, propMethod));
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}
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void restoreVirtualProperties(MethodNameGroup group) {
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if (group.Methods.Count <= 1 || !group.hasProperty())
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return;
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MPropertyDef prop = null;
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List<MMethodDef> missingProps = null;
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foreach (var method in group.Methods) {
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if (method.Property == null) {
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if (missingProps == null)
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missingProps = new List<MMethodDef>();
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missingProps.Add(method);
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}
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else if (prop == null || !method.Owner.HasModule)
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prop = method.Property;
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}
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if (prop == null)
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return; // Should never happen
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if (missingProps == null)
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return;
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foreach (var method in missingProps)
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createProperty(prop, method, "");
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}
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void createProperty(MPropertyDef propDef, MMethodDef methodDef, string overridePrefix) {
|
|
if (!methodDef.Owner.HasModule)
|
|
return;
|
|
|
|
var newPropertyName = overridePrefix + propDef.PropertyDef.Name;
|
|
if (!DotNetUtils.hasReturnValue(methodDef.MethodDef))
|
|
createPropertySetter(newPropertyName, methodDef);
|
|
else
|
|
createPropertyGetter(newPropertyName, methodDef);
|
|
}
|
|
|
|
void restorePropertiesFromNames(IEnumerable<MethodNameGroup> allGroups) {
|
|
if (!RestorePropertiesFromNames)
|
|
return;
|
|
|
|
foreach (var group in allGroups) {
|
|
var groupMethod = group.Methods[0];
|
|
var methodName = groupMethod.MethodDef.Name.String;
|
|
bool onlyRenamableMethods = !group.hasNonRenamableMethod();
|
|
|
|
if (Utils.StartsWith(methodName, "get_", StringComparison.Ordinal)) {
|
|
var propName = methodName.Substring(4);
|
|
foreach (var method in group.Methods) {
|
|
if (onlyRenamableMethods && !memberInfos.type(method.Owner).NameChecker.isValidPropertyName(propName))
|
|
continue;
|
|
createPropertyGetter(propName, method);
|
|
}
|
|
}
|
|
else if (Utils.StartsWith(methodName, "set_", StringComparison.Ordinal)) {
|
|
var propName = methodName.Substring(4);
|
|
foreach (var method in group.Methods) {
|
|
if (onlyRenamableMethods && !memberInfos.type(method.Owner).NameChecker.isValidPropertyName(propName))
|
|
continue;
|
|
createPropertySetter(propName, method);
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach (var type in modules.AllTypes) {
|
|
foreach (var method in type.AllMethodsSorted) {
|
|
if (method.isVirtual())
|
|
continue; // Virtual methods are in allGroups, so already fixed above
|
|
if (method.Property != null)
|
|
continue;
|
|
var methodName = method.MethodDef.Name.String;
|
|
if (Utils.StartsWith(methodName, "get_", StringComparison.Ordinal))
|
|
createPropertyGetter(methodName.Substring(4), method);
|
|
else if (Utils.StartsWith(methodName, "set_", StringComparison.Ordinal))
|
|
createPropertySetter(methodName.Substring(4), method);
|
|
}
|
|
}
|
|
}
|
|
|
|
MPropertyDef createPropertyGetter(string name, MMethodDef propMethod) {
|
|
if (string.IsNullOrEmpty(name))
|
|
return null;
|
|
var ownerType = propMethod.Owner;
|
|
if (!ownerType.HasModule)
|
|
return null;
|
|
if (propMethod.Property != null)
|
|
return null;
|
|
|
|
var sig = propMethod.MethodDef.MethodSig;
|
|
if (sig == null)
|
|
return null;
|
|
var propType = sig.RetType;
|
|
var propDef = createProperty(ownerType, name, propType, propMethod.MethodDef, null);
|
|
if (propDef == null)
|
|
return null;
|
|
if (propDef.GetMethod != null)
|
|
return null;
|
|
Log.v("Restoring property getter {0} ({1:X8}), Property: {2} ({3:X8})",
|
|
Utils.removeNewlines(propMethod),
|
|
propMethod.MethodDef.MDToken.ToInt32(),
|
|
Utils.removeNewlines(propDef.PropertyDef),
|
|
propDef.PropertyDef.MDToken.ToInt32());
|
|
propDef.PropertyDef.GetMethod = propMethod.MethodDef;
|
|
propDef.GetMethod = propMethod;
|
|
propMethod.Property = propDef;
|
|
return propDef;
|
|
}
|
|
|
|
MPropertyDef createPropertySetter(string name, MMethodDef propMethod) {
|
|
if (string.IsNullOrEmpty(name))
|
|
return null;
|
|
var ownerType = propMethod.Owner;
|
|
if (!ownerType.HasModule)
|
|
return null;
|
|
if (propMethod.Property != null)
|
|
return null;
|
|
|
|
var sig = propMethod.MethodDef.MethodSig;
|
|
if (sig == null || sig.Params.Count == 0)
|
|
return null;
|
|
var propType = sig.Params[sig.Params.Count - 1];
|
|
var propDef = createProperty(ownerType, name, propType, null, propMethod.MethodDef);
|
|
if (propDef == null)
|
|
return null;
|
|
if (propDef.SetMethod != null)
|
|
return null;
|
|
Log.v("Restoring property setter {0} ({1:X8}), Property: {2} ({3:X8})",
|
|
Utils.removeNewlines(propMethod),
|
|
propMethod.MethodDef.MDToken.ToInt32(),
|
|
Utils.removeNewlines(propDef.PropertyDef),
|
|
propDef.PropertyDef.MDToken.ToInt32());
|
|
propDef.PropertyDef.SetMethod = propMethod.MethodDef;
|
|
propDef.SetMethod = propMethod;
|
|
propMethod.Property = propDef;
|
|
return propDef;
|
|
}
|
|
|
|
MPropertyDef createProperty(MTypeDef ownerType, string name, TypeSig propType, MethodDef getter, MethodDef setter) {
|
|
if (string.IsNullOrEmpty(name) || propType.ElementType == ElementType.Void)
|
|
return null;
|
|
var newSig = createPropertySig(getter, propType, true) ?? createPropertySig(setter, propType, false);
|
|
if (newSig == null)
|
|
return null;
|
|
var newProp = ownerType.Module.ModuleDefMD.UpdateRowId(new PropertyDefUser(name, newSig, 0));
|
|
newProp.GetMethod = getter;
|
|
newProp.SetMethod = setter;
|
|
var propDef = ownerType.findAny(newProp);
|
|
if (propDef != null)
|
|
return propDef;
|
|
|
|
propDef = ownerType.create(newProp);
|
|
memberInfos.add(propDef);
|
|
Log.v("Restoring property: {0}", Utils.removeNewlines(newProp));
|
|
return propDef;
|
|
}
|
|
|
|
static PropertySig createPropertySig(MethodDef method, TypeSig propType, bool isGetter) {
|
|
if (method == null)
|
|
return null;
|
|
var sig = method.MethodSig;
|
|
if (sig == null)
|
|
return null;
|
|
|
|
var newSig = new PropertySig(sig.HasThis, propType);
|
|
newSig.GenParamCount = sig.GenParamCount;
|
|
|
|
int count = sig.Params.Count;
|
|
if (!isGetter)
|
|
count--;
|
|
for (int i = 0; i < count; i++)
|
|
newSig.Params.Add(sig.Params[i]);
|
|
|
|
return newSig;
|
|
}
|
|
|
|
void restoreVirtualEvents(IEnumerable<MethodNameGroup> allGroups) {
|
|
if (!RestoreEvents)
|
|
return;
|
|
foreach (var group in allGroups) {
|
|
restoreVirtualEvents(group);
|
|
restoreExplicitVirtualEvents(group);
|
|
}
|
|
}
|
|
|
|
enum EventMethodType {
|
|
None,
|
|
Other,
|
|
Adder,
|
|
Remover,
|
|
Raiser,
|
|
}
|
|
|
|
void restoreExplicitVirtualEvents(MethodNameGroup group) {
|
|
if (group.Methods.Count != 1)
|
|
return;
|
|
var eventMethod = group.Methods[0];
|
|
if (eventMethod.Event != null)
|
|
return;
|
|
if (eventMethod.MethodDef.Overrides.Count == 0)
|
|
return;
|
|
|
|
MMethodDef overriddenMethod;
|
|
var theEvent = getOverriddenEvent(eventMethod, out overriddenMethod);
|
|
if (theEvent == null)
|
|
return;
|
|
|
|
createEvent(theEvent, eventMethod, getEventMethodType(overriddenMethod), getOverridePrefix(group, eventMethod));
|
|
}
|
|
|
|
void restoreVirtualEvents(MethodNameGroup group) {
|
|
if (group.Methods.Count <= 1 || !group.hasEvent())
|
|
return;
|
|
|
|
EventMethodType methodType = EventMethodType.None;
|
|
MEventDef evt = null;
|
|
List<MMethodDef> missingEvents = null;
|
|
foreach (var method in group.Methods) {
|
|
if (method.Event == null) {
|
|
if (missingEvents == null)
|
|
missingEvents = new List<MMethodDef>();
|
|
missingEvents.Add(method);
|
|
}
|
|
else if (evt == null || !method.Owner.HasModule) {
|
|
evt = method.Event;
|
|
methodType = getEventMethodType(method);
|
|
}
|
|
}
|
|
if (evt == null)
|
|
return; // Should never happen
|
|
if (missingEvents == null)
|
|
return;
|
|
|
|
foreach (var method in missingEvents)
|
|
createEvent(evt, method, methodType, "");
|
|
}
|
|
|
|
void createEvent(MEventDef eventDef, MMethodDef methodDef, EventMethodType methodType, string overridePrefix) {
|
|
if (!methodDef.Owner.HasModule)
|
|
return;
|
|
|
|
var newEventName = overridePrefix + eventDef.EventDef.Name;
|
|
switch (methodType) {
|
|
case EventMethodType.Adder:
|
|
createEventAdder(newEventName, methodDef);
|
|
break;
|
|
case EventMethodType.Remover:
|
|
createEventRemover(newEventName, methodDef);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static EventMethodType getEventMethodType(MMethodDef method) {
|
|
var evt = method.Event;
|
|
if (evt == null)
|
|
return EventMethodType.None;
|
|
if (evt.AddMethod == method)
|
|
return EventMethodType.Adder;
|
|
if (evt.RemoveMethod == method)
|
|
return EventMethodType.Remover;
|
|
if (evt.RaiseMethod == method)
|
|
return EventMethodType.Raiser;
|
|
return EventMethodType.Other;
|
|
}
|
|
|
|
void restoreEventsFromNames(IEnumerable<MethodNameGroup> allGroups) {
|
|
if (!RestoreEventsFromNames)
|
|
return;
|
|
|
|
foreach (var group in allGroups) {
|
|
var groupMethod = group.Methods[0];
|
|
var methodName = groupMethod.MethodDef.Name.String;
|
|
bool onlyRenamableMethods = !group.hasNonRenamableMethod();
|
|
|
|
if (Utils.StartsWith(methodName, "add_", StringComparison.Ordinal)) {
|
|
var eventName = methodName.Substring(4);
|
|
foreach (var method in group.Methods) {
|
|
if (onlyRenamableMethods && !memberInfos.type(method.Owner).NameChecker.isValidEventName(eventName))
|
|
continue;
|
|
createEventAdder(eventName, method);
|
|
}
|
|
}
|
|
else if (Utils.StartsWith(methodName, "remove_", StringComparison.Ordinal)) {
|
|
var eventName = methodName.Substring(7);
|
|
foreach (var method in group.Methods) {
|
|
if (onlyRenamableMethods && !memberInfos.type(method.Owner).NameChecker.isValidEventName(eventName))
|
|
continue;
|
|
createEventRemover(eventName, method);
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach (var type in modules.AllTypes) {
|
|
foreach (var method in type.AllMethodsSorted) {
|
|
if (method.isVirtual())
|
|
continue; // Virtual methods are in allGroups, so already fixed above
|
|
if (method.Event != null)
|
|
continue;
|
|
var methodName = method.MethodDef.Name.String;
|
|
if (Utils.StartsWith(methodName, "add_", StringComparison.Ordinal))
|
|
createEventAdder(methodName.Substring(4), method);
|
|
else if (Utils.StartsWith(methodName, "remove_", StringComparison.Ordinal))
|
|
createEventRemover(methodName.Substring(7), method);
|
|
}
|
|
}
|
|
}
|
|
|
|
MEventDef createEventAdder(string name, MMethodDef eventMethod) {
|
|
if (string.IsNullOrEmpty(name))
|
|
return null;
|
|
var ownerType = eventMethod.Owner;
|
|
if (!ownerType.HasModule)
|
|
return null;
|
|
if (eventMethod.Event != null)
|
|
return null;
|
|
|
|
var method = eventMethod.MethodDef;
|
|
var eventDef = createEvent(ownerType, name, getEventType(method));
|
|
if (eventDef == null)
|
|
return null;
|
|
if (eventDef.AddMethod != null)
|
|
return null;
|
|
Log.v("Restoring event adder {0} ({1:X8}), Event: {2} ({3:X8})",
|
|
Utils.removeNewlines(eventMethod),
|
|
eventMethod.MethodDef.MDToken.ToInt32(),
|
|
Utils.removeNewlines(eventDef.EventDef),
|
|
eventDef.EventDef.MDToken.ToInt32());
|
|
eventDef.EventDef.AddMethod = eventMethod.MethodDef;
|
|
eventDef.AddMethod = eventMethod;
|
|
eventMethod.Event = eventDef;
|
|
return eventDef;
|
|
}
|
|
|
|
MEventDef createEventRemover(string name, MMethodDef eventMethod) {
|
|
if (string.IsNullOrEmpty(name))
|
|
return null;
|
|
var ownerType = eventMethod.Owner;
|
|
if (!ownerType.HasModule)
|
|
return null;
|
|
if (eventMethod.Event != null)
|
|
return null;
|
|
|
|
var method = eventMethod.MethodDef;
|
|
var eventDef = createEvent(ownerType, name, getEventType(method));
|
|
if (eventDef == null)
|
|
return null;
|
|
if (eventDef.RemoveMethod != null)
|
|
return null;
|
|
Log.v("Restoring event remover {0} ({1:X8}), Event: {2} ({3:X8})",
|
|
Utils.removeNewlines(eventMethod),
|
|
eventMethod.MethodDef.MDToken.ToInt32(),
|
|
Utils.removeNewlines(eventDef.EventDef),
|
|
eventDef.EventDef.MDToken.ToInt32());
|
|
eventDef.EventDef.RemoveMethod = eventMethod.MethodDef;
|
|
eventDef.RemoveMethod = eventMethod;
|
|
eventMethod.Event = eventDef;
|
|
return eventDef;
|
|
}
|
|
|
|
TypeSig getEventType(IMethod method) {
|
|
if (DotNetUtils.hasReturnValue(method))
|
|
return null;
|
|
var sig = method.MethodSig;
|
|
if (sig == null || sig.Params.Count != 1)
|
|
return null;
|
|
return sig.Params[0];
|
|
}
|
|
|
|
MEventDef createEvent(MTypeDef ownerType, string name, TypeSig eventType) {
|
|
if (string.IsNullOrEmpty(name) || eventType == null || eventType.ElementType == ElementType.Void)
|
|
return null;
|
|
var newEvent = ownerType.Module.ModuleDefMD.UpdateRowId(new EventDefUser(name, eventType.ToTypeDefOrRef(), 0));
|
|
var eventDef = ownerType.findAny(newEvent);
|
|
if (eventDef != null)
|
|
return eventDef;
|
|
|
|
eventDef = ownerType.create(newEvent);
|
|
memberInfos.add(eventDef);
|
|
Log.v("Restoring event: {0}", Utils.removeNewlines(newEvent));
|
|
return eventDef;
|
|
}
|
|
|
|
void prepareRenameMemberDefinitions(MethodNameGroups groups) {
|
|
Log.v("Renaming member definitions #1");
|
|
|
|
prepareRenameEntryPoints();
|
|
|
|
var virtualMethods = new GroupHelper(memberInfos, modules.AllTypes);
|
|
var ifaceMethods = new GroupHelper(memberInfos, modules.AllTypes);
|
|
var propMethods = new GroupHelper(memberInfos, modules.AllTypes);
|
|
var eventMethods = new GroupHelper(memberInfos, modules.AllTypes);
|
|
foreach (var group in getSorted(groups)) {
|
|
if (group.hasNonRenamableMethod())
|
|
continue;
|
|
else if (group.hasGetterOrSetterPropertyMethod() && getPropertyMethodType(group.Methods[0]) != PropertyMethodType.Other)
|
|
propMethods.add(group);
|
|
else if (group.hasAddRemoveOrRaiseEventMethod())
|
|
eventMethods.add(group);
|
|
else if (group.hasInterfaceMethod())
|
|
ifaceMethods.add(group);
|
|
else
|
|
virtualMethods.add(group);
|
|
}
|
|
|
|
var prepareHelper = new PrepareHelper(memberInfos, modules.AllTypes);
|
|
prepareHelper.prepare((info) => info.prepareRenameMembers());
|
|
|
|
prepareHelper.prepare((info) => info.prepareRenamePropsAndEvents());
|
|
propMethods.visitAll((group) => prepareRenameProperty(group, false));
|
|
eventMethods.visitAll((group) => prepareRenameEvent(group, false));
|
|
propMethods.visitAll((group) => prepareRenameProperty(group, true));
|
|
eventMethods.visitAll((group) => prepareRenameEvent(group, true));
|
|
|
|
foreach (var typeDef in modules.AllTypes)
|
|
memberInfos.type(typeDef).initializeEventHandlerNames();
|
|
|
|
prepareHelper.prepare((info) => info.prepareRenameMethods());
|
|
ifaceMethods.visitAll((group) => prepareRenameVirtualMethods(group, "imethod_", false));
|
|
virtualMethods.visitAll((group) => prepareRenameVirtualMethods(group, "vmethod_", false));
|
|
ifaceMethods.visitAll((group) => prepareRenameVirtualMethods(group, "imethod_", true));
|
|
virtualMethods.visitAll((group) => prepareRenameVirtualMethods(group, "vmethod_", true));
|
|
|
|
restoreMethodArgs(groups);
|
|
|
|
foreach (var typeDef in modules.AllTypes)
|
|
memberInfos.type(typeDef).prepareRenameMethods2();
|
|
}
|
|
|
|
void restoreMethodArgs(MethodNameGroups groups) {
|
|
foreach (var group in groups.getAllGroups()) {
|
|
if (group.Methods[0].VisibleParameterCount == 0)
|
|
continue;
|
|
|
|
var argNames = getValidArgNames(group);
|
|
|
|
foreach (var method in group.Methods) {
|
|
if (!method.Owner.HasModule)
|
|
continue;
|
|
var nameChecker = method.Owner.Module.ObfuscatedFile.NameChecker;
|
|
|
|
for (int i = 0; i < argNames.Length; i++) {
|
|
var argName = argNames[i];
|
|
if (argName == null || !nameChecker.isValidMethodArgName(argName))
|
|
continue;
|
|
var info = memberInfos.param(method.ParamDefs[i]);
|
|
if (nameChecker.isValidMethodArgName(info.oldName))
|
|
continue;
|
|
info.newName = argName;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
string[] getValidArgNames(MethodNameGroup group) {
|
|
var methods = new List<MMethodDef>(group.Methods);
|
|
foreach (var method in group.Methods) {
|
|
foreach (var ovrd in method.MethodDef.Overrides) {
|
|
var overrideRef = ovrd.MethodDeclaration;
|
|
var overrideDef = modules.resolveMethod(overrideRef);
|
|
if (overrideDef == null) {
|
|
var typeDef = modules.resolveType(overrideRef.DeclaringType) ?? modules.resolveOther(overrideRef.DeclaringType);
|
|
if (typeDef == null)
|
|
continue;
|
|
overrideDef = typeDef.findMethod(overrideRef);
|
|
if (overrideDef == null)
|
|
continue;
|
|
}
|
|
if (overrideDef.VisibleParameterCount != method.VisibleParameterCount)
|
|
continue;
|
|
methods.Add(overrideDef);
|
|
}
|
|
}
|
|
|
|
var argNames = new string[group.Methods[0].ParamDefs.Count];
|
|
foreach (var method in methods) {
|
|
var nameChecker = !method.Owner.HasModule ? null : method.Owner.Module.ObfuscatedFile.NameChecker;
|
|
for (int i = 0; i < argNames.Length; i++) {
|
|
var argName = method.ParamDefs[i].ParameterDefinition.Name;
|
|
if (nameChecker == null || nameChecker.isValidMethodArgName(argName))
|
|
argNames[i] = argName;
|
|
}
|
|
}
|
|
return argNames;
|
|
}
|
|
|
|
class PrepareHelper {
|
|
Dictionary<MTypeDef, bool> prepareMethodCalled = new Dictionary<MTypeDef, bool>();
|
|
MemberInfos memberInfos;
|
|
Action<TypeInfo> func;
|
|
IEnumerable<MTypeDef> allTypes;
|
|
|
|
public PrepareHelper(MemberInfos memberInfos, IEnumerable<MTypeDef> allTypes) {
|
|
this.memberInfos = memberInfos;
|
|
this.allTypes = allTypes;
|
|
}
|
|
|
|
public void prepare(Action<TypeInfo> func) {
|
|
this.func = func;
|
|
prepareMethodCalled.Clear();
|
|
foreach (var typeDef in allTypes)
|
|
prepare(typeDef);
|
|
}
|
|
|
|
void prepare(MTypeDef type) {
|
|
if (prepareMethodCalled.ContainsKey(type))
|
|
return;
|
|
prepareMethodCalled[type] = true;
|
|
|
|
foreach (var ifaceInfo in type.interfaces)
|
|
prepare(ifaceInfo.typeDef);
|
|
if (type.baseType != null)
|
|
prepare(type.baseType.typeDef);
|
|
|
|
TypeInfo info;
|
|
if (memberInfos.tryGetType(type, out info))
|
|
func(info);
|
|
}
|
|
}
|
|
|
|
static List<MethodNameGroup> getSorted(MethodNameGroups groups) {
|
|
var allGroups = new List<MethodNameGroup>(groups.getAllGroups());
|
|
allGroups.Sort((a, b) => b.Count.CompareTo(a.Count));
|
|
return allGroups;
|
|
}
|
|
|
|
class GroupHelper {
|
|
MemberInfos memberInfos;
|
|
Dictionary<MTypeDef, bool> visited = new Dictionary<MTypeDef, bool>();
|
|
Dictionary<MMethodDef, MethodNameGroup> methodToGroup;
|
|
List<MethodNameGroup> groups = new List<MethodNameGroup>();
|
|
IEnumerable<MTypeDef> allTypes;
|
|
Action<MethodNameGroup> func;
|
|
|
|
public GroupHelper(MemberInfos memberInfos, IEnumerable<MTypeDef> allTypes) {
|
|
this.memberInfos = memberInfos;
|
|
this.allTypes = allTypes;
|
|
}
|
|
|
|
public void add(MethodNameGroup group) {
|
|
groups.Add(group);
|
|
}
|
|
|
|
public void visitAll(Action<MethodNameGroup> func) {
|
|
this.func = func;
|
|
visited.Clear();
|
|
|
|
methodToGroup = new Dictionary<MMethodDef, MethodNameGroup>();
|
|
foreach (var group in groups) {
|
|
foreach (var method in group.Methods)
|
|
methodToGroup[method] = group;
|
|
}
|
|
|
|
foreach (var type in allTypes)
|
|
visit(type);
|
|
}
|
|
|
|
void visit(MTypeDef type) {
|
|
if (visited.ContainsKey(type))
|
|
return;
|
|
visited[type] = true;
|
|
|
|
if (type.baseType != null)
|
|
visit(type.baseType.typeDef);
|
|
foreach (var ifaceInfo in type.interfaces)
|
|
visit(ifaceInfo.typeDef);
|
|
|
|
TypeInfo info;
|
|
if (!memberInfos.tryGetType(type, out info))
|
|
return;
|
|
|
|
foreach (var method in type.AllMethodsSorted) {
|
|
MethodNameGroup group;
|
|
if (!methodToGroup.TryGetValue(method, out group))
|
|
continue;
|
|
foreach (var m in group.Methods)
|
|
methodToGroup.Remove(m);
|
|
func(group);
|
|
}
|
|
}
|
|
}
|
|
|
|
static readonly Regex removeGenericsArityRegex = new Regex(@"`[0-9]+");
|
|
static string getOverridePrefix(MethodNameGroup group, MMethodDef method) {
|
|
if (method == null || method.MethodDef.Overrides.Count == 0)
|
|
return "";
|
|
if (group.Methods.Count > 1) {
|
|
// Don't use an override prefix if the group has an iface method.
|
|
foreach (var m in group.Methods) {
|
|
if (m.Owner.TypeDef.IsInterface)
|
|
return "";
|
|
}
|
|
}
|
|
var overrideMethod = method.MethodDef.Overrides[0].MethodDeclaration;
|
|
var name = overrideMethod.DeclaringType.FullName.Replace('/', '.');
|
|
name = removeGenericsArityRegex.Replace(name, "");
|
|
return name + ".";
|
|
}
|
|
|
|
static string getRealName(string name) {
|
|
int index = name.LastIndexOf('.');
|
|
if (index < 0)
|
|
return name;
|
|
return name.Substring(index + 1);
|
|
}
|
|
|
|
void prepareRenameEvent(MethodNameGroup group, bool renameOverrides) {
|
|
string methodPrefix, overridePrefix;
|
|
var eventName = prepareRenameEvent(group, renameOverrides, out overridePrefix, out methodPrefix);
|
|
if (eventName == null)
|
|
return;
|
|
|
|
var methodName = overridePrefix + methodPrefix + eventName;
|
|
foreach (var method in group.Methods)
|
|
memberInfos.method(method).rename(methodName);
|
|
}
|
|
|
|
string prepareRenameEvent(MethodNameGroup group, bool renameOverrides, out string overridePrefix, out string methodPrefix) {
|
|
var eventMethod = getEventMethod(group);
|
|
if (eventMethod == null)
|
|
throw new ApplicationException("No events found");
|
|
|
|
var eventDef = eventMethod.Event;
|
|
if (eventMethod == eventDef.AddMethod)
|
|
methodPrefix = "add_";
|
|
else if (eventMethod == eventDef.RemoveMethod)
|
|
methodPrefix = "remove_";
|
|
else if (eventMethod == eventDef.RaiseMethod)
|
|
methodPrefix = "raise_";
|
|
else
|
|
methodPrefix = "";
|
|
|
|
overridePrefix = getOverridePrefix(group, eventMethod);
|
|
if (renameOverrides && overridePrefix == "")
|
|
return null;
|
|
if (!renameOverrides && overridePrefix != "")
|
|
return null;
|
|
|
|
string newEventName, oldEventName;
|
|
var eventInfo = memberInfos.evt(eventDef);
|
|
|
|
bool mustUseOldEventName = false;
|
|
if (overridePrefix == "")
|
|
oldEventName = eventInfo.oldName;
|
|
else {
|
|
var overriddenEventDef = getOverriddenEvent(eventMethod);
|
|
if (overriddenEventDef == null)
|
|
oldEventName = getRealName(eventInfo.oldName);
|
|
else {
|
|
mustUseOldEventName = true;
|
|
EventInfo info;
|
|
if (memberInfos.tryGetEvent(overriddenEventDef, out info))
|
|
oldEventName = getRealName(info.newName);
|
|
else
|
|
oldEventName = getRealName(overriddenEventDef.EventDef.Name.String);
|
|
}
|
|
}
|
|
|
|
if (eventInfo.renamed)
|
|
newEventName = getRealName(eventInfo.newName);
|
|
else if (mustUseOldEventName || eventDef.Owner.Module.ObfuscatedFile.NameChecker.isValidEventName(oldEventName))
|
|
newEventName = oldEventName;
|
|
else {
|
|
mergeStateHelper.merge(MergeStateFlags.Events, group);
|
|
newEventName = getAvailableName("Event_", false, group, (group2, newName) => isEventAvailable(group2, newName));
|
|
}
|
|
|
|
var newEventNameWithPrefix = overridePrefix + newEventName;
|
|
foreach (var method in group.Methods) {
|
|
if (method.Event != null) {
|
|
memberInfos.evt(method.Event).rename(newEventNameWithPrefix);
|
|
var ownerInfo = memberInfos.type(method.Owner);
|
|
ownerInfo.variableNameState.addEventName(newEventName);
|
|
ownerInfo.variableNameState.addEventName(newEventNameWithPrefix);
|
|
}
|
|
}
|
|
|
|
return newEventName;
|
|
}
|
|
|
|
MEventDef getOverriddenEvent(MMethodDef overrideMethod) {
|
|
MMethodDef overriddenMethod;
|
|
return getOverriddenEvent(overrideMethod, out overriddenMethod);
|
|
}
|
|
|
|
MEventDef getOverriddenEvent(MMethodDef overrideMethod, out MMethodDef overriddenMethod) {
|
|
var theMethod = overrideMethod.MethodDef.Overrides[0].MethodDeclaration;
|
|
overriddenMethod = modules.resolveMethod(theMethod);
|
|
if (overriddenMethod != null)
|
|
return overriddenMethod.Event;
|
|
|
|
var extType = theMethod.DeclaringType;
|
|
if (extType == null)
|
|
return null;
|
|
var extTypeDef = modules.resolveOther(extType);
|
|
if (extTypeDef == null)
|
|
return null;
|
|
overriddenMethod = extTypeDef.findMethod(theMethod);
|
|
if (overriddenMethod != null)
|
|
return overriddenMethod.Event;
|
|
|
|
return null;
|
|
}
|
|
|
|
MMethodDef getEventMethod(MethodNameGroup group) {
|
|
foreach (var method in group.Methods) {
|
|
if (method.Event != null)
|
|
return method;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
void prepareRenameProperty(MethodNameGroup group, bool renameOverrides) {
|
|
string overridePrefix;
|
|
var propName = prepareRenameProperty(group, renameOverrides, out overridePrefix);
|
|
if (propName == null)
|
|
return;
|
|
|
|
string methodPrefix;
|
|
switch (getPropertyMethodType(group.Methods[0])) {
|
|
case PropertyMethodType.Getter:
|
|
methodPrefix = "get_";
|
|
break;
|
|
case PropertyMethodType.Setter:
|
|
methodPrefix = "set_";
|
|
break;
|
|
default:
|
|
throw new ApplicationException("Invalid property type");
|
|
}
|
|
|
|
var methodName = overridePrefix + methodPrefix + propName;
|
|
foreach (var method in group.Methods)
|
|
memberInfos.method(method).rename(methodName);
|
|
}
|
|
|
|
string prepareRenameProperty(MethodNameGroup group, bool renameOverrides, out string overridePrefix) {
|
|
var propMethod = getPropertyMethod(group);
|
|
if (propMethod == null)
|
|
throw new ApplicationException("No properties found");
|
|
|
|
overridePrefix = getOverridePrefix(group, propMethod);
|
|
|
|
if (renameOverrides && overridePrefix == "")
|
|
return null;
|
|
if (!renameOverrides && overridePrefix != "")
|
|
return null;
|
|
|
|
string newPropName, oldPropName;
|
|
var propDef = propMethod.Property;
|
|
var propInfo = memberInfos.prop(propDef);
|
|
|
|
bool mustUseOldPropName = false;
|
|
if (overridePrefix == "")
|
|
oldPropName = propInfo.oldName;
|
|
else {
|
|
var overriddenPropDef = getOverriddenProperty(propMethod);
|
|
if (overriddenPropDef == null)
|
|
oldPropName = getRealName(propInfo.oldName);
|
|
else {
|
|
mustUseOldPropName = true;
|
|
PropertyInfo info;
|
|
if (memberInfos.tryGetProperty(overriddenPropDef, out info))
|
|
oldPropName = getRealName(info.newName);
|
|
else
|
|
oldPropName = getRealName(overriddenPropDef.PropertyDef.Name.String);
|
|
}
|
|
}
|
|
|
|
if (propInfo.renamed)
|
|
newPropName = getRealName(propInfo.newName);
|
|
else if (mustUseOldPropName || propDef.Owner.Module.ObfuscatedFile.NameChecker.isValidPropertyName(oldPropName))
|
|
newPropName = oldPropName;
|
|
else if (isItemProperty(group))
|
|
newPropName = "Item";
|
|
else {
|
|
bool trySameName = true;
|
|
var propPrefix = getSuggestedPropertyName(group);
|
|
if (propPrefix == null) {
|
|
trySameName = false;
|
|
propPrefix = getNewPropertyNamePrefix(group);
|
|
}
|
|
mergeStateHelper.merge(MergeStateFlags.Properties, group);
|
|
newPropName = getAvailableName(propPrefix, trySameName, group, (group2, newName) => isPropertyAvailable(group2, newName));
|
|
}
|
|
|
|
var newPropNameWithPrefix = overridePrefix + newPropName;
|
|
foreach (var method in group.Methods) {
|
|
if (method.Property != null) {
|
|
memberInfos.prop(method.Property).rename(newPropNameWithPrefix);
|
|
var ownerInfo = memberInfos.type(method.Owner);
|
|
ownerInfo.variableNameState.addPropertyName(newPropName);
|
|
ownerInfo.variableNameState.addPropertyName(newPropNameWithPrefix);
|
|
}
|
|
}
|
|
|
|
return newPropName;
|
|
}
|
|
|
|
bool isItemProperty(MethodNameGroup group) {
|
|
foreach (var method in group.Methods) {
|
|
if (method.Property != null && method.Property.isItemProperty())
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
MPropertyDef getOverriddenProperty(MMethodDef overrideMethod) {
|
|
var theMethod = overrideMethod.MethodDef.Overrides[0].MethodDeclaration;
|
|
var overriddenMethod = modules.resolveMethod(theMethod);
|
|
if (overriddenMethod != null)
|
|
return overriddenMethod.Property;
|
|
|
|
var extType = theMethod.DeclaringType;
|
|
if (extType == null)
|
|
return null;
|
|
var extTypeDef = modules.resolveOther(extType);
|
|
if (extTypeDef == null)
|
|
return null;
|
|
var theMethodDef = extTypeDef.findMethod(theMethod);
|
|
if (theMethodDef != null)
|
|
return theMethodDef.Property;
|
|
|
|
return null;
|
|
}
|
|
|
|
MMethodDef getPropertyMethod(MethodNameGroup group) {
|
|
foreach (var method in group.Methods) {
|
|
if (method.Property != null)
|
|
return method;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
string getSuggestedPropertyName(MethodNameGroup group) {
|
|
foreach (var method in group.Methods) {
|
|
if (method.Property == null)
|
|
continue;
|
|
var info = memberInfos.prop(method.Property);
|
|
if (info.suggestedName != null)
|
|
return info.suggestedName;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
string getNewPropertyNamePrefix(MethodNameGroup group) {
|
|
const string defaultVal = "Prop_";
|
|
|
|
var propType = getPropertyType(group);
|
|
if (propType == null)
|
|
return defaultVal;
|
|
|
|
var elementType = propType.ScopeType.ToTypeSig(false).RemovePinnedAndModifiers();
|
|
if (propType is GenericInstSig || elementType is GenericSig)
|
|
return defaultVal;
|
|
|
|
var prefix = getPrefix(propType);
|
|
|
|
string name = elementType.TypeName;
|
|
int i;
|
|
if ((i = name.IndexOf('`')) >= 0)
|
|
name = name.Substring(0, i);
|
|
if ((i = name.LastIndexOf('.')) >= 0)
|
|
name = name.Substring(i + 1);
|
|
if (name == "")
|
|
return defaultVal;
|
|
|
|
return prefix.ToUpperInvariant() + upperFirst(name) + "_";
|
|
}
|
|
|
|
static string upperFirst(string s) {
|
|
return s.Substring(0, 1).ToUpperInvariant() + s.Substring(1);
|
|
}
|
|
|
|
static string getPrefix(TypeSig typeRef) {
|
|
string prefix = "";
|
|
typeRef = typeRef.RemovePinnedAndModifiers();
|
|
while (typeRef is PtrSig) {
|
|
typeRef = typeRef.Next;
|
|
prefix += "p";
|
|
}
|
|
return prefix;
|
|
}
|
|
|
|
enum PropertyMethodType {
|
|
Other,
|
|
Getter,
|
|
Setter,
|
|
}
|
|
|
|
static PropertyMethodType getPropertyMethodType(MMethodDef method) {
|
|
if (DotNetUtils.hasReturnValue(method.MethodDef))
|
|
return PropertyMethodType.Getter;
|
|
if (method.VisibleParameterCount > 0)
|
|
return PropertyMethodType.Setter;
|
|
return PropertyMethodType.Other;
|
|
}
|
|
|
|
// Returns property type, or null if not all methods have the same type
|
|
TypeSig getPropertyType(MethodNameGroup group) {
|
|
var methodType = getPropertyMethodType(group.Methods[0]);
|
|
if (methodType == PropertyMethodType.Other)
|
|
return null;
|
|
|
|
TypeSig type = null;
|
|
foreach (var propMethod in group.Methods) {
|
|
TypeSig propType;
|
|
if (methodType == PropertyMethodType.Setter)
|
|
propType = propMethod.ParamDefs[propMethod.ParamDefs.Count - 1].ParameterDefinition.Type;
|
|
else
|
|
propType = propMethod.MethodDef.MethodSig.GetRetType();
|
|
if (type == null)
|
|
type = propType;
|
|
else if (!new SigComparer().Equals(type, propType))
|
|
return null;
|
|
}
|
|
return type;
|
|
}
|
|
|
|
MMethodDef getOverrideMethod(MethodNameGroup group) {
|
|
foreach (var method in group.Methods) {
|
|
if (method.MethodDef.Overrides.Count > 0)
|
|
return method;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
void prepareRenameVirtualMethods(MethodNameGroup group, string namePrefix, bool renameOverrides) {
|
|
if (!hasInvalidMethodName(group))
|
|
return;
|
|
|
|
if (hasDelegateOwner(group)) {
|
|
switch (group.Methods[0].MethodDef.Name.String) {
|
|
case "Invoke":
|
|
case "BeginInvoke":
|
|
case "EndInvoke":
|
|
return;
|
|
}
|
|
}
|
|
|
|
var overrideMethod = getOverrideMethod(group);
|
|
var overridePrefix = getOverridePrefix(group, overrideMethod);
|
|
if (renameOverrides && overridePrefix == "")
|
|
return;
|
|
if (!renameOverrides && overridePrefix != "")
|
|
return;
|
|
|
|
string newMethodName;
|
|
if (overridePrefix != "") {
|
|
var overrideInfo = memberInfos.method(overrideMethod);
|
|
var overriddenMethod = getOverriddenMethod(overrideMethod);
|
|
if (overriddenMethod == null)
|
|
newMethodName = getRealName(overrideMethod.MethodDef.Overrides[0].MethodDeclaration.Name.String);
|
|
else
|
|
newMethodName = getRealName(memberInfos.method(overriddenMethod).newName);
|
|
}
|
|
else {
|
|
newMethodName = getSuggestedMethodName(group);
|
|
if (newMethodName == null) {
|
|
mergeStateHelper.merge(MergeStateFlags.Methods, group);
|
|
newMethodName = getAvailableName(namePrefix, false, group, (group2, newName) => isMethodAvailable(group2, newName));
|
|
}
|
|
}
|
|
|
|
var newMethodNameWithPrefix = overridePrefix + newMethodName;
|
|
foreach (var method in group.Methods)
|
|
memberInfos.type(method.Owner).renameMethod(method, newMethodNameWithPrefix);
|
|
}
|
|
|
|
[Flags]
|
|
enum MergeStateFlags {
|
|
None = 0,
|
|
Methods = 0x1,
|
|
Properties = 0x2,
|
|
Events = 0x4,
|
|
}
|
|
|
|
class MergeStateHelper {
|
|
MemberInfos memberInfos;
|
|
MergeStateFlags flags;
|
|
Dictionary<MTypeDef, bool> visited = new Dictionary<MTypeDef, bool>();
|
|
|
|
public MergeStateHelper(MemberInfos memberInfos) {
|
|
this.memberInfos = memberInfos;
|
|
}
|
|
|
|
public void merge(MergeStateFlags flags, MethodNameGroup group) {
|
|
this.flags = flags;
|
|
visited.Clear();
|
|
foreach (var method in group.Methods)
|
|
merge(method.Owner);
|
|
}
|
|
|
|
void merge(MTypeDef type) {
|
|
if (visited.ContainsKey(type))
|
|
return;
|
|
visited[type] = true;
|
|
|
|
TypeInfo info;
|
|
if (!memberInfos.tryGetType(type, out info))
|
|
return;
|
|
|
|
if (type.baseType != null)
|
|
merge(type.baseType.typeDef);
|
|
foreach (var ifaceInfo in type.interfaces)
|
|
merge(ifaceInfo.typeDef);
|
|
|
|
if (type.baseType != null)
|
|
merge(info, type.baseType.typeDef);
|
|
foreach (var ifaceInfo in type.interfaces)
|
|
merge(info, ifaceInfo.typeDef);
|
|
}
|
|
|
|
void merge(TypeInfo info, MTypeDef other) {
|
|
TypeInfo otherInfo;
|
|
if (!memberInfos.tryGetType(other, out otherInfo))
|
|
return;
|
|
|
|
if ((flags & MergeStateFlags.Methods) != MergeStateFlags.None)
|
|
info.variableNameState.mergeMethods(otherInfo.variableNameState);
|
|
if ((flags & MergeStateFlags.Properties) != MergeStateFlags.None)
|
|
info.variableNameState.mergeProperties(otherInfo.variableNameState);
|
|
if ((flags & MergeStateFlags.Events) != MergeStateFlags.None)
|
|
info.variableNameState.mergeEvents(otherInfo.variableNameState);
|
|
}
|
|
}
|
|
|
|
MMethodDef getOverriddenMethod(MMethodDef overrideMethod) {
|
|
return modules.resolveMethod(overrideMethod.MethodDef.Overrides[0].MethodDeclaration);
|
|
}
|
|
|
|
string getSuggestedMethodName(MethodNameGroup group) {
|
|
foreach (var method in group.Methods) {
|
|
var info = memberInfos.method(method);
|
|
if (info.suggestedName != null)
|
|
return info.suggestedName;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
bool hasInvalidMethodName(MethodNameGroup group) {
|
|
foreach (var method in group.Methods) {
|
|
var typeInfo = memberInfos.type(method.Owner);
|
|
var methodInfo = memberInfos.method(method);
|
|
if (!typeInfo.NameChecker.isValidMethodName(methodInfo.oldName))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static string getAvailableName(string prefix, bool tryWithoutZero, MethodNameGroup group, Func<MethodNameGroup, string, bool> checkAvailable) {
|
|
for (int i = 0; ; i++) {
|
|
string newName = i == 0 && tryWithoutZero ? prefix : prefix + i;
|
|
if (checkAvailable(group, newName))
|
|
return newName;
|
|
}
|
|
}
|
|
|
|
bool isMethodAvailable(MethodNameGroup group, string methodName) {
|
|
foreach (var method in group.Methods) {
|
|
if (memberInfos.type(method.Owner).variableNameState.isMethodNameUsed(methodName))
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool isPropertyAvailable(MethodNameGroup group, string methodName) {
|
|
foreach (var method in group.Methods) {
|
|
if (memberInfos.type(method.Owner).variableNameState.isPropertyNameUsed(methodName))
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool isEventAvailable(MethodNameGroup group, string methodName) {
|
|
foreach (var method in group.Methods) {
|
|
if (memberInfos.type(method.Owner).variableNameState.isEventNameUsed(methodName))
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool hasDelegateOwner(MethodNameGroup group) {
|
|
foreach (var method in group.Methods) {
|
|
if (isDelegateClass.check(method.Owner))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void prepareRenameEntryPoints() {
|
|
foreach (var module in modules.TheModules) {
|
|
var entryPoint = module.ModuleDefMD.EntryPoint;
|
|
if (entryPoint == null)
|
|
continue;
|
|
var methodDef = modules.resolveMethod(entryPoint);
|
|
if (methodDef == null) {
|
|
Log.w(string.Format("Could not find entry point. Module: {0}, Method: {1}", module.ModuleDefMD.Location, Utils.removeNewlines(entryPoint)));
|
|
continue;
|
|
}
|
|
if (!methodDef.isStatic())
|
|
continue;
|
|
memberInfos.method(methodDef).suggestedName = "Main";
|
|
if (methodDef.ParamDefs.Count == 1) {
|
|
var paramDef = methodDef.ParamDefs[0];
|
|
var type = paramDef.ParameterDefinition.Type;
|
|
if (type.FullName == "System.String[]")
|
|
memberInfos.param(paramDef).newName = "args";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|