2011-09-22 10:55:30 +08:00
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/*
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Copyright (C) 2011 de4dot@gmail.com
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This file is part of de4dot.
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de4dot is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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de4dot is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with de4dot. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Collections.Generic;
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using System.Text.RegularExpressions;
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using Mono.Cecil;
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2011-09-24 16:26:29 +08:00
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using de4dot.blocks;
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2011-09-22 10:55:30 +08:00
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using de4dot.deobfuscators;
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namespace de4dot.renamer {
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abstract class Ref {
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public string NewName { get; set; }
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public string OldName { get; private set; }
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public string OldFullName { get; private set; }
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public int Index { get; private set; }
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public MemberReference MemberReference { get; private set; }
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public TypeDef Owner { get; set; }
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public bool Renamed { get; set; }
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public Ref(MemberReference mr, TypeDef owner, int index) {
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MemberReference = mr;
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NewName = OldName = mr.Name;
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OldFullName = mr.FullName;
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Owner = owner;
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Index = index;
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}
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public bool gotNewName() {
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return NewName != OldName;
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}
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public abstract bool isSame(MemberReference mr);
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public bool rename(string newName) {
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if (Renamed)
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return false;
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Renamed = true;
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NewName = newName;
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return true;
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}
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static protected bool isVirtual(MethodDefinition m) {
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return m != null && m.IsVirtual;
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}
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protected static IList<GenericParamDef> createGenericParamDefList(IEnumerable<GenericParameter> parameters) {
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var list = new List<GenericParamDef>();
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if (parameters == null)
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return list;
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int i = 0;
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foreach (var param in parameters)
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list.Add(new GenericParamDef(param, i++));
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return list;
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}
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}
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class FieldDef : Ref {
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public FieldDef(FieldDefinition fieldDefinition, TypeDef owner, int index)
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: base(fieldDefinition, owner, index) {
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}
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public FieldDefinition FieldDefinition {
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get { return (FieldDefinition)MemberReference; }
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}
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public override bool isSame(MemberReference mr) {
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return MemberReferenceHelper.compareFieldReference(FieldDefinition, mr as FieldReference);
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}
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}
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class EventRef : Ref {
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public EventRef(EventReference eventReference, TypeDef owner, int index)
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: base(eventReference, owner, index) {
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}
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public EventReference EventReference {
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get { return (EventReference)MemberReference; }
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}
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public override bool isSame(MemberReference mr) {
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return MemberReferenceHelper.compareEventReference(EventReference, mr as EventReference);
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}
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}
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class EventDef : EventRef {
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public EventDef(EventDefinition eventDefinition, TypeDef owner, int index)
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: base(eventDefinition, owner, index) {
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}
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public EventDefinition EventDefinition {
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get { return (EventDefinition)MemberReference; }
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}
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public IEnumerable<MethodDefinition> methodDefinitions() {
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if (EventDefinition.AddMethod != null)
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yield return EventDefinition.AddMethod;
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if (EventDefinition.RemoveMethod != null)
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yield return EventDefinition.RemoveMethod;
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if (EventDefinition.InvokeMethod != null)
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yield return EventDefinition.InvokeMethod;
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if (EventDefinition.OtherMethods != null) {
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foreach (var m in EventDefinition.OtherMethods)
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yield return m;
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}
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}
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// Returns one of the overridden methods or null if none found
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public MethodReference getOverrideMethod() {
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foreach (var method in methodDefinitions()) {
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if (method.HasOverrides)
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return method.Overrides[0];
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}
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return null;
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}
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public bool isVirtual() {
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foreach (var method in methodDefinitions()) {
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if (isVirtual(method))
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return true;
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}
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return false;
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}
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}
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class PropertyRef : Ref {
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public PropertyRef(PropertyReference propertyReference, TypeDef owner, int index)
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: base(propertyReference, owner, index) {
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}
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public PropertyReference PropertyReference {
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get { return (PropertyReference)MemberReference; }
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}
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public override bool isSame(MemberReference mr) {
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return MemberReferenceHelper.comparePropertyReference(PropertyReference, mr as PropertyReference);
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}
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}
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class PropertyDef : PropertyRef {
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public PropertyDef(PropertyDefinition propertyDefinition, TypeDef owner, int index)
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: base(propertyDefinition, owner, index) {
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}
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public PropertyDefinition PropertyDefinition {
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get { return (PropertyDefinition)MemberReference; }
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}
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public IEnumerable<MethodDefinition> methodDefinitions() {
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if (PropertyDefinition.GetMethod != null)
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yield return PropertyDefinition.GetMethod;
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if (PropertyDefinition.SetMethod != null)
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yield return PropertyDefinition.SetMethod;
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if (PropertyDefinition.OtherMethods != null) {
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foreach (var m in PropertyDefinition.OtherMethods)
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yield return m;
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}
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}
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// Returns one of the overridden methods or null if none found
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public MethodReference getOverrideMethod() {
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foreach (var method in methodDefinitions()) {
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if (method.HasOverrides)
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return method.Overrides[0];
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}
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return null;
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}
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public bool isVirtual() {
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foreach (var method in methodDefinitions()) {
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if (isVirtual(method))
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return true;
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}
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return false;
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}
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}
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class MethodRef : Ref {
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public IList<ParamDef> paramDefs = new List<ParamDef>();
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public IList<ParamDef> ParamDefs {
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get { return paramDefs; }
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}
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public MethodRef(MethodReference methodReference, TypeDef owner, int index)
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: base(methodReference, owner, index) {
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if (methodReference.HasParameters) {
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for (int i = 0; i < methodReference.Parameters.Count; i++) {
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var param = methodReference.Parameters[i];
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paramDefs.Add(new ParamDef(param, i));
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}
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}
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}
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public MethodReference MethodReference {
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get { return (MethodReference)MemberReference; }
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}
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public override bool isSame(MemberReference mr) {
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return MemberReferenceHelper.compareMethodReference(MethodReference, mr as MethodReference);
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}
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}
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class MethodDef : MethodRef {
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IList<GenericParamDef> genericParams;
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public IList<GenericParamDef> GenericParams {
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get { return genericParams; }
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}
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public PropertyDef Property { get; set; }
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public EventDef Event { get; set; }
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public MethodDef(MethodDefinition methodDefinition, TypeDef owner, int index)
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: base(methodDefinition, owner, index) {
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genericParams = createGenericParamDefList(MethodDefinition.GenericParameters);
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}
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public MethodDefinition MethodDefinition {
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get { return (MethodDefinition)MemberReference; }
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}
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public bool isVirtual() {
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return isVirtual(MethodDefinition);
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}
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}
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class ParamDef {
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public ParameterDefinition ParameterDefinition { get; set; }
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public string OldName { get; private set; }
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public string NewName { get; set; }
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public int Index { get; private set; }
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public bool Renamed { get; set; }
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public ParamDef(ParameterDefinition parameterDefinition, int index) {
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this.ParameterDefinition = parameterDefinition;
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NewName = OldName = parameterDefinition.Name;
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Index = index;
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}
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public bool gotNewName() {
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return NewName != OldName;
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}
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}
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class GenericParamDef : Ref {
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public GenericParamDef(GenericParameter genericParameter, int index)
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: base(genericParameter, null, index) {
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}
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public GenericParameter GenericParameter {
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get { return (GenericParameter)MemberReference; }
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}
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public override bool isSame(MemberReference mr) {
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throw new NotImplementedException();
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}
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}
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class TypeInfo {
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public TypeReference typeReference;
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public TypeDef typeDef;
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public TypeInfo(TypeReference typeReference, TypeDef typeDef) {
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this.typeReference = typeReference;
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this.typeDef = typeDef;
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}
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}
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class TypeDef : Ref {
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public IDefFinder defFinder;
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public TypeInfo baseType = null;
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public IList<TypeInfo> interfaces = new List<TypeInfo>(); // directly implemented interfaces
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public IList<TypeDef> derivedTypes = new List<TypeDef>();
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public Module module;
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string newNamespace = null;
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DefDict<EventDef> events = new DefDict<EventDef>();
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DefDict<FieldDef> fields = new DefDict<FieldDef>();
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DefDict<MethodDef> methods = new DefDict<MethodDef>();
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DefDict<PropertyDef> properties = new DefDict<PropertyDef>();
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DefDict<TypeDef> types = new DefDict<TypeDef>();
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IList<GenericParamDef> genericParams;
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public TypeDefinition TypeDefinition {
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get { return (TypeDefinition)MemberReference; }
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}
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public MemberRenameState MemberRenameState { get; set; }
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public MemberRenameState InterfaceScopeState { get; set; }
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bool prepareRenameMembersCalled = false;
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public IEnumerable<TypeDef> NestedTypes {
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get { return types.getSorted(); }
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}
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public TypeDef NestingType { get; set; }
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public IList<GenericParamDef> GenericParams {
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get { return genericParams; }
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}
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public TypeDef(TypeDefinition typeDefinition, Module module, int index = 0)
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: base(typeDefinition, null, index) {
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this.module = module;
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genericParams = createGenericParamDefList(TypeDefinition.GenericParameters);
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fields.HandleDupe = (newOne, oldOne) => {
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if (oldOne.FieldDefinition.IsLiteral && !newOne.FieldDefinition.IsLiteral)
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fields.replaceOldWithNew(oldOne, newOne);
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};
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}
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public override bool isSame(MemberReference mr) {
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return MemberReferenceHelper.compareTypes(TypeDefinition, mr as TypeReference);
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}
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public bool isInterface() {
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return TypeDefinition.IsInterface;
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}
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public IEnumerable<MethodDef> Methods {
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get { return methods.getAll(); }
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}
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// Called when all members (events, fields, props, methods) have been added
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public void membersAdded() {
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foreach (var propDef in properties.getAll()) {
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foreach (var method in propDef.methodDefinitions()) {
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var methodDef = find(method);
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if (methodDef == null)
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throw new ApplicationException("Could not find property method");
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methodDef.Property = propDef;
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}
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}
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foreach (var eventDef in events.getAll()) {
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foreach (var method in eventDef.methodDefinitions()) {
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var methodDef = find(method);
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if (methodDef == null)
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|
|
throw new ApplicationException("Could not find event method");
|
|
|
|
|
methodDef.Event = eventDef;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public IEnumerable<TypeDef> getAllInterfaces() {
|
|
|
|
|
if (isInterface())
|
|
|
|
|
yield return this;
|
|
|
|
|
foreach (var ifaceInfo in interfaces) {
|
|
|
|
|
foreach (var iface in ifaceInfo.typeDef.getAllInterfaces())
|
|
|
|
|
yield return iface;
|
|
|
|
|
}
|
|
|
|
|
foreach (var typeDef in derivedTypes) {
|
|
|
|
|
foreach (var iface in typeDef.getAllInterfaces())
|
|
|
|
|
yield return iface;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void add(EventDef e) {
|
|
|
|
|
events.add(e);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void add(FieldDef f) {
|
|
|
|
|
fields.add(f);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void add(MethodDef m) {
|
|
|
|
|
methods.add(m);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void add(PropertyDef p) {
|
|
|
|
|
properties.add(p);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void add(TypeDef t) {
|
|
|
|
|
types.add(t);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public MethodDef find(MethodReference mr) {
|
|
|
|
|
return methods.find(mr);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public FieldDef find(FieldReference fr) {
|
|
|
|
|
return fields.find(fr);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
IEnumerable<FieldDef> getInstanceFields() {
|
|
|
|
|
foreach (var fieldDef in fields.getSorted()) {
|
|
|
|
|
if (!fieldDef.FieldDefinition.IsStatic)
|
|
|
|
|
yield return fieldDef;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool isNested() {
|
|
|
|
|
return NestingType != null;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool isGlobalType() {
|
|
|
|
|
if (!isNested())
|
|
|
|
|
return TypeDefinition.IsPublic;
|
|
|
|
|
var mask = TypeDefinition.Attributes & TypeAttributes.VisibilityMask;
|
|
|
|
|
switch (mask) {
|
|
|
|
|
case TypeAttributes.NestedPrivate:
|
|
|
|
|
case TypeAttributes.NestedAssembly:
|
|
|
|
|
case TypeAttributes.NestedFamANDAssem:
|
|
|
|
|
return false;
|
|
|
|
|
case TypeAttributes.NestedPublic:
|
|
|
|
|
case TypeAttributes.NestedFamily:
|
|
|
|
|
case TypeAttributes.NestedFamORAssem:
|
|
|
|
|
return NestingType.isGlobalType();
|
|
|
|
|
default:
|
2011-10-09 00:42:09 +08:00
|
|
|
|
return false;
|
2011-09-22 10:55:30 +08:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Renames name, namespace, and generic parameters if needed. Does not rename members.
|
|
|
|
|
public void prepareRename(TypeNameState typeNameState) {
|
|
|
|
|
var typeDefinition = TypeDefinition;
|
|
|
|
|
ITypeNameCreator nameCreator = isGlobalType() ?
|
|
|
|
|
typeNameState.globalTypeNameCreator :
|
|
|
|
|
typeNameState.internalTypeNameCreator;
|
|
|
|
|
|
|
|
|
|
if (OldFullName != "<Module>" && !typeNameState.IsValidName(OldName)) {
|
|
|
|
|
var newBaseType = baseType != null && baseType.typeDef.Renamed ? baseType.typeDef.NewName : null;
|
|
|
|
|
rename(nameCreator.newName(typeDefinition, newBaseType));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (typeDefinition.Namespace != "" && !typeNameState.isValidNamespace(typeDefinition.Namespace))
|
|
|
|
|
newNamespace = typeNameState.newNamespace(typeDefinition.Namespace);
|
|
|
|
|
|
|
|
|
|
prepareRenameGenericParams(genericParams, typeNameState.IsValidName);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void rename() {
|
|
|
|
|
var typeDefinition = TypeDefinition;
|
|
|
|
|
|
|
|
|
|
Log.v("Type: {0} ({1:X8})", TypeDefinition.FullName, TypeDefinition.MetadataToken.ToUInt32());
|
|
|
|
|
Log.indent();
|
|
|
|
|
|
|
|
|
|
renameGenericParams(genericParams);
|
|
|
|
|
|
|
|
|
|
if (gotNewName()) {
|
|
|
|
|
var old = typeDefinition.Name;
|
|
|
|
|
typeDefinition.Name = NewName;
|
|
|
|
|
Log.v("Name: {0} => {1}", old, typeDefinition.Name);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (newNamespace != null) {
|
|
|
|
|
var old = typeDefinition.Namespace;
|
|
|
|
|
typeDefinition.Namespace = newNamespace;
|
|
|
|
|
Log.v("Namespace: {0} => {1}", old, typeDefinition.Namespace);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
Log.deIndent();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void prepareRenameGenericParams(IList<GenericParamDef> genericParams, Func<string, bool> isValidName, IList<GenericParamDef> otherGenericParams = null) {
|
|
|
|
|
Dictionary<string, bool> usedNames = new Dictionary<string, bool>(StringComparer.Ordinal);
|
|
|
|
|
INameCreator nameCreator = new GenericParamNameCreator();
|
|
|
|
|
|
|
|
|
|
if (otherGenericParams != null) {
|
|
|
|
|
foreach (var param in otherGenericParams)
|
|
|
|
|
usedNames[param.NewName] = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
foreach (var param in genericParams) {
|
|
|
|
|
if (!isValidName(param.OldName) || usedNames.ContainsKey(param.OldName)) {
|
|
|
|
|
string newName;
|
|
|
|
|
do {
|
|
|
|
|
newName = nameCreator.newName();
|
|
|
|
|
} while (usedNames.ContainsKey(newName));
|
|
|
|
|
usedNames[newName] = true;
|
|
|
|
|
param.rename(newName);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void renameGenericParams(IList<GenericParamDef> genericParams) {
|
|
|
|
|
foreach (var param in genericParams) {
|
|
|
|
|
if (!param.gotNewName())
|
|
|
|
|
continue;
|
|
|
|
|
param.GenericParameter.Name = param.NewName;
|
|
|
|
|
Log.v("GenParam: {0} => {1}", param.OldFullName, param.GenericParameter.FullName);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void renameMembers() {
|
|
|
|
|
Log.v("Type: {0}", TypeDefinition.FullName);
|
|
|
|
|
Log.indent();
|
|
|
|
|
|
|
|
|
|
renameFields();
|
|
|
|
|
renameProperties();
|
|
|
|
|
renameEvents();
|
|
|
|
|
renameMethods();
|
|
|
|
|
|
|
|
|
|
Log.deIndent();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void renameFields() {
|
|
|
|
|
foreach (var fieldDef in fields.getSorted()) {
|
|
|
|
|
if (!fieldDef.gotNewName())
|
|
|
|
|
continue;
|
|
|
|
|
fieldDef.FieldDefinition.Name = fieldDef.NewName;
|
|
|
|
|
Log.v("Field: {0} ({1:X8}) => {2}", fieldDef.OldFullName, fieldDef.FieldDefinition.MetadataToken.ToUInt32(), fieldDef.FieldDefinition.FullName);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void renameProperties() {
|
|
|
|
|
foreach (var propDef in properties.getSorted()) {
|
|
|
|
|
if (!propDef.gotNewName())
|
|
|
|
|
continue;
|
|
|
|
|
propDef.PropertyDefinition.Name = propDef.NewName;
|
|
|
|
|
Log.v("Property: {0} ({1:X8}) => {2}", propDef.OldFullName, propDef.PropertyDefinition.MetadataToken.ToUInt32(), propDef.PropertyDefinition.FullName);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void renameEvents() {
|
|
|
|
|
foreach (var eventDef in events.getSorted()) {
|
|
|
|
|
if (!eventDef.gotNewName())
|
|
|
|
|
continue;
|
|
|
|
|
eventDef.EventDefinition.Name = eventDef.NewName;
|
|
|
|
|
Log.v("Event: {0} ({1:X8}) => {2}", eventDef.OldFullName, eventDef.EventDefinition.MetadataToken.ToUInt32(), eventDef.EventDefinition.FullName);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void renameMethods() {
|
|
|
|
|
foreach (var methodDef in methods.getSorted()) {
|
|
|
|
|
Log.v("Method {0} ({1:X8})", methodDef.OldFullName, methodDef.MethodDefinition.MetadataToken.ToUInt32());
|
|
|
|
|
Log.indent();
|
|
|
|
|
|
|
|
|
|
renameGenericParams(methodDef.GenericParams);
|
|
|
|
|
|
|
|
|
|
if (methodDef.gotNewName()) {
|
|
|
|
|
methodDef.MethodReference.Name = methodDef.NewName;
|
|
|
|
|
Log.v("Name: {0} => {1}", methodDef.OldFullName, methodDef.MethodReference.FullName);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
foreach (var param in methodDef.ParamDefs) {
|
|
|
|
|
if (!param.gotNewName())
|
|
|
|
|
continue;
|
|
|
|
|
param.ParameterDefinition.Name = param.NewName;
|
|
|
|
|
Log.v("Param ({0}/{1}): {2} => {3}", param.Index + 1, methodDef.ParamDefs.Count, param.OldName, param.NewName);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
Log.deIndent();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void prepareRenameMembers() {
|
|
|
|
|
if (prepareRenameMembersCalled)
|
|
|
|
|
return;
|
|
|
|
|
prepareRenameMembersCalled = true;
|
|
|
|
|
|
|
|
|
|
foreach (var ifaceInfo in interfaces)
|
|
|
|
|
ifaceInfo.typeDef.prepareRenameMembers();
|
|
|
|
|
if (baseType != null)
|
|
|
|
|
baseType.typeDef.prepareRenameMembers();
|
|
|
|
|
|
|
|
|
|
if (baseType != null)
|
|
|
|
|
MemberRenameState = baseType.typeDef.MemberRenameState.clone();
|
|
|
|
|
MemberRenameState.variableNameState.IsValidName = module.IsValidName;
|
|
|
|
|
|
|
|
|
|
if (InterfaceScopeState != null)
|
|
|
|
|
MemberRenameState.mergeRenamed(InterfaceScopeState);
|
|
|
|
|
|
|
|
|
|
expandGenerics();
|
|
|
|
|
|
|
|
|
|
prepareRenameFields(); // must be first
|
|
|
|
|
prepareRenameProperties();
|
|
|
|
|
prepareRenameEvents();
|
|
|
|
|
prepareRenameMethods(); // must be last
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Replaces the generic params with the generic args, if any
|
|
|
|
|
void expandGenerics() {
|
|
|
|
|
foreach (var typeInfo in getTypeInfos()) {
|
|
|
|
|
var git = typeInfo.typeReference as GenericInstanceType;
|
|
|
|
|
if (git == null)
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
if (git.GenericArguments.Count != typeInfo.typeDef.TypeDefinition.GenericParameters.Count) {
|
|
|
|
|
throw new ApplicationException(string.Format("# args ({0}) != # params ({1})",
|
|
|
|
|
git.GenericArguments.Count,
|
|
|
|
|
typeInfo.typeDef.TypeDefinition.GenericParameters.Count));
|
|
|
|
|
}
|
|
|
|
|
expandProperties(git);
|
|
|
|
|
expandEvents(git);
|
|
|
|
|
expandMethods(git);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
IEnumerable<TypeInfo> getTypeInfos() {
|
|
|
|
|
if (baseType != null)
|
|
|
|
|
yield return baseType;
|
|
|
|
|
foreach (var typeInfo in interfaces)
|
|
|
|
|
yield return typeInfo;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void expandProperties(GenericInstanceType git) {
|
|
|
|
|
foreach (var propRef in new List<PropertyRef>(MemberRenameState.properties.Values)) {
|
|
|
|
|
var newPropRef = new GenericPropertyRefExpander(propRef, git).expand();
|
|
|
|
|
if (ReferenceEquals(newPropRef, propRef))
|
|
|
|
|
continue;
|
|
|
|
|
MemberRenameState.add(newPropRef);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void expandEvents(GenericInstanceType git) {
|
|
|
|
|
foreach (var eventRef in new List<EventRef>(MemberRenameState.events.Values)) {
|
|
|
|
|
var newEventRef = new GenericEventRefExpander(eventRef, git).expand();
|
|
|
|
|
if (ReferenceEquals(eventRef, newEventRef))
|
|
|
|
|
continue;
|
|
|
|
|
MemberRenameState.add(newEventRef);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void expandMethods(GenericInstanceType git) {
|
|
|
|
|
foreach (var methodRef in new List<MethodRef>(MemberRenameState.methods.Values)) {
|
|
|
|
|
var newMethodRef = new GenericMethodRefExpander(methodRef, git).expand();
|
|
|
|
|
if (ReferenceEquals(methodRef, newMethodRef))
|
|
|
|
|
continue;
|
|
|
|
|
MemberRenameState.add(newMethodRef);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool hasFlagsAttribute() {
|
|
|
|
|
if (TypeDefinition.CustomAttributes != null) {
|
|
|
|
|
foreach (var attr in TypeDefinition.CustomAttributes) {
|
|
|
|
|
if (MemberReferenceHelper.verifyType(attr.AttributeType, "mscorlib", "System.FlagsAttribute"))
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void prepareRenameFields() {
|
|
|
|
|
var variableNameState = MemberRenameState.variableNameState;
|
|
|
|
|
|
|
|
|
|
if (TypeDefinition.IsEnum) {
|
|
|
|
|
var instanceFields = new List<FieldDef>(getInstanceFields());
|
|
|
|
|
if (instanceFields.Count == 1) {
|
|
|
|
|
var fieldDef = instanceFields[0];
|
|
|
|
|
if (fieldDef.rename("value__")) {
|
|
|
|
|
fieldDef.FieldDefinition.IsRuntimeSpecialName = true;
|
|
|
|
|
fieldDef.FieldDefinition.IsSpecialName = true;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int i = 0;
|
|
|
|
|
string nameFormat = hasFlagsAttribute() ? "flag_{0}" : "const_{0}";
|
|
|
|
|
foreach (var fieldDef in fields.getSorted()) {
|
|
|
|
|
if (!fieldDef.FieldDefinition.IsStatic || !fieldDef.FieldDefinition.IsLiteral)
|
|
|
|
|
continue;
|
|
|
|
|
if (!variableNameState.IsValidName(fieldDef.OldName))
|
|
|
|
|
fieldDef.rename(string.Format(nameFormat, i));
|
|
|
|
|
i++;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
foreach (var fieldDef in fields.getSorted()) {
|
|
|
|
|
if (fieldDef.Renamed)
|
|
|
|
|
continue;
|
|
|
|
|
if (!variableNameState.IsValidName(fieldDef.OldName))
|
|
|
|
|
fieldDef.rename(variableNameState.getNewFieldName(fieldDef.FieldDefinition));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static MethodReference getOverrideMethod(MethodDefinition meth) {
|
|
|
|
|
if (meth == null || !meth.HasOverrides)
|
|
|
|
|
return null;
|
|
|
|
|
return meth.Overrides[0];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static string getRealName(string name) {
|
|
|
|
|
int index = name.LastIndexOf('.');
|
|
|
|
|
if (index < 0)
|
|
|
|
|
return name;
|
|
|
|
|
return name.Substring(index + 1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static readonly Regex removeGenericsArityRegex = new Regex(@"`[0-9]+");
|
|
|
|
|
static string getOverrideMethodNamePrefix(TypeReference owner) {
|
|
|
|
|
var name = owner.FullName.Replace('/', '.');
|
|
|
|
|
name = removeGenericsArityRegex.Replace(name, "");
|
|
|
|
|
return name + ".";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static string getOverrideMethodName(TypeReference owner, string name) {
|
|
|
|
|
return getOverrideMethodNamePrefix(owner) + name;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void prepareRenameProperties() {
|
|
|
|
|
var variableNameState = MemberRenameState.variableNameState;
|
|
|
|
|
|
|
|
|
|
foreach (var propDef in properties.getSorted()) {
|
|
|
|
|
if (propDef.Renamed)
|
|
|
|
|
continue;
|
|
|
|
|
propDef.Renamed = true;
|
|
|
|
|
|
|
|
|
|
bool isVirtual = propDef.isVirtual();
|
|
|
|
|
string prefix = "";
|
|
|
|
|
string baseName = propDef.OldName;
|
|
|
|
|
|
|
|
|
|
string propName = null;
|
|
|
|
|
if (isVirtual)
|
|
|
|
|
getVirtualPropName(propDef, ref prefix, ref propName);
|
|
|
|
|
if (propName == null && !variableNameState.IsValidName(propDef.OldName))
|
|
|
|
|
propName = variableNameState.getNewPropertyName(propDef.PropertyDefinition);
|
|
|
|
|
if (propName != null) {
|
|
|
|
|
baseName = propName;
|
|
|
|
|
propDef.NewName = prefix + baseName;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
renameSpecialMethod(propDef.PropertyDefinition.GetMethod, prefix + "get_" + baseName);
|
|
|
|
|
renameSpecialMethod(propDef.PropertyDefinition.SetMethod, prefix + "set_" + baseName, "value");
|
|
|
|
|
|
|
|
|
|
if (isVirtual)
|
|
|
|
|
MemberRenameState.add(propDef);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void getVirtualPropName(PropertyDef propDef, ref string prefix, ref string propName) {
|
|
|
|
|
PropertyRef sameDef;
|
|
|
|
|
var overrideMethod = propDef.getOverrideMethod();
|
|
|
|
|
if (overrideMethod != null && (sameDef = defFinder.findProp(overrideMethod)) != null) {
|
|
|
|
|
prefix = getOverrideMethodNamePrefix(sameDef.Owner.TypeDefinition);
|
|
|
|
|
propName = sameDef.NewName;
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var method = getOverrideMethod(propDef.PropertyDefinition.GetMethod ?? propDef.PropertyDefinition.SetMethod);
|
|
|
|
|
if (method != null) {
|
|
|
|
|
var realName = getRealName(method.Name);
|
|
|
|
|
// Only use the name if the method is not in one of the loaded files, since the
|
|
|
|
|
// name shouldn't be obfuscated.
|
|
|
|
|
if (Regex.IsMatch(realName, @"^[sg]et_.") && defFinder.findProp(method) == null) {
|
|
|
|
|
prefix = getOverrideMethodNamePrefix(method.DeclaringType);
|
|
|
|
|
propName = realName.Substring(4);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sameDef = MemberRenameState.get(propDef);
|
|
|
|
|
if (sameDef != null) {
|
|
|
|
|
prefix = "";
|
|
|
|
|
propName = sameDef.NewName;
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void prepareRenameEvents() {
|
|
|
|
|
var variableNameState = MemberRenameState.variableNameState;
|
|
|
|
|
|
|
|
|
|
foreach (var eventDef in events.getSorted()) {
|
|
|
|
|
if (eventDef.Renamed)
|
|
|
|
|
continue;
|
|
|
|
|
eventDef.Renamed = true;
|
|
|
|
|
|
|
|
|
|
bool isVirtual = eventDef.isVirtual();
|
|
|
|
|
string prefix = "";
|
|
|
|
|
string baseName = eventDef.OldName;
|
|
|
|
|
|
|
|
|
|
string propName = null;
|
|
|
|
|
if (isVirtual)
|
|
|
|
|
getVirtualEventName(eventDef, ref prefix, ref propName);
|
|
|
|
|
if (propName == null && !variableNameState.IsValidName(eventDef.OldName))
|
|
|
|
|
propName = variableNameState.getNewEventName(eventDef.EventDefinition);
|
|
|
|
|
if (propName != null) {
|
|
|
|
|
baseName = propName;
|
|
|
|
|
eventDef.NewName = prefix + baseName;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
renameSpecialMethod(eventDef.EventDefinition.AddMethod, prefix + "add_" + baseName, "value");
|
|
|
|
|
renameSpecialMethod(eventDef.EventDefinition.RemoveMethod, prefix + "remove_" + baseName, "value");
|
|
|
|
|
renameSpecialMethod(eventDef.EventDefinition.InvokeMethod, prefix + "raise_" + baseName);
|
|
|
|
|
|
|
|
|
|
if (isVirtual)
|
|
|
|
|
MemberRenameState.add(eventDef);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void getVirtualEventName(EventDef eventDef, ref string prefix, ref string propName) {
|
|
|
|
|
EventRef sameDef;
|
|
|
|
|
var overrideMethod = eventDef.getOverrideMethod();
|
|
|
|
|
if (overrideMethod != null && (sameDef = defFinder.findEvent(overrideMethod)) != null) {
|
|
|
|
|
prefix = getOverrideMethodNamePrefix(sameDef.Owner.TypeDefinition);
|
|
|
|
|
propName = sameDef.NewName;
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var method = getOverrideMethod(eventDef.EventDefinition.AddMethod ?? eventDef.EventDefinition.RemoveMethod);
|
|
|
|
|
if (method != null) {
|
|
|
|
|
var realName = getRealName(method.Name);
|
|
|
|
|
// Only use the name if the method is not in one of the loaded files, since the
|
|
|
|
|
// name shouldn't be obfuscated.
|
|
|
|
|
if (Regex.IsMatch(realName, @"^(add|remove)_.") && defFinder.findEvent(method) == null) {
|
|
|
|
|
prefix = getOverrideMethodNamePrefix(method.DeclaringType);
|
|
|
|
|
propName = realName.Substring(realName.IndexOf('_') + 1);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sameDef = MemberRenameState.get(eventDef);
|
|
|
|
|
if (sameDef != null) {
|
|
|
|
|
prefix = "";
|
|
|
|
|
propName = sameDef.NewName;
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void renameSpecialMethod(MethodDefinition methodDefinition, string newName, string newArgName = null) {
|
|
|
|
|
if (methodDefinition == null)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
var methodDef = find(methodDefinition);
|
|
|
|
|
if (methodDef == null)
|
|
|
|
|
throw new ApplicationException("Could not find the event/prop method");
|
|
|
|
|
|
|
|
|
|
renameMethod(methodDef, newName);
|
|
|
|
|
|
|
|
|
|
if (newArgName != null && methodDef.ParamDefs.Count > 0) {
|
|
|
|
|
var arg = methodDef.ParamDefs[methodDef.ParamDefs.Count - 1];
|
|
|
|
|
if (!MemberRenameState.variableNameState.IsValidName(arg.OldName)) {
|
|
|
|
|
arg.NewName = newArgName;
|
|
|
|
|
arg.Renamed = true;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void prepareRenameMethods() {
|
|
|
|
|
foreach (var methodDef in methods.getSorted())
|
|
|
|
|
renameMethod(methodDef);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void renameMethod(MethodDef methodDef, string suggestedName = null) {
|
|
|
|
|
if (methodDef.Renamed)
|
|
|
|
|
return;
|
|
|
|
|
methodDef.Renamed = true;
|
|
|
|
|
var variableNameState = MemberRenameState.variableNameState;
|
|
|
|
|
bool isVirtual = methodDef.isVirtual();
|
|
|
|
|
|
|
|
|
|
var nameCreator = getMethodNameCreator(methodDef, suggestedName);
|
|
|
|
|
|
|
|
|
|
if (!methodDef.MethodDefinition.IsRuntimeSpecialName && !variableNameState.IsValidName(methodDef.OldName))
|
|
|
|
|
methodDef.NewName = nameCreator.newName();
|
|
|
|
|
|
|
|
|
|
if (methodDef.ParamDefs.Count > 0) {
|
|
|
|
|
var newVariableNameState = variableNameState.clone();
|
|
|
|
|
foreach (var paramDef in methodDef.ParamDefs) {
|
|
|
|
|
if (!newVariableNameState.IsValidName(paramDef.OldName)) {
|
|
|
|
|
paramDef.NewName = newVariableNameState.getNewParamName(paramDef.ParameterDefinition);
|
|
|
|
|
paramDef.Renamed = true;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
prepareRenameGenericParams(methodDef.GenericParams, variableNameState.IsValidName, methodDef.Owner == null ? null : methodDef.Owner.genericParams);
|
|
|
|
|
|
|
|
|
|
if (isVirtual)
|
|
|
|
|
MemberRenameState.add(methodDef);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
string getPinvokeName(MethodDef methodDef) {
|
|
|
|
|
var methodNames = new Dictionary<string, bool>(StringComparer.Ordinal);
|
|
|
|
|
foreach (var method in methods.getAll())
|
|
|
|
|
methodNames[method.NewName] = true;
|
|
|
|
|
|
|
|
|
|
var entryPoint = methodDef.MethodDefinition.PInvokeInfo.EntryPoint;
|
|
|
|
|
if (Regex.IsMatch(entryPoint, @"^#\d+$"))
|
|
|
|
|
entryPoint = DotNetUtils.getDllName(methodDef.MethodDefinition.PInvokeInfo.Module.Name) + "_" + entryPoint.Substring(1);
|
|
|
|
|
while (true) {
|
|
|
|
|
var newName = MemberRenameState.variableNameState.pinvokeNameCreator.newName(entryPoint);
|
|
|
|
|
if (!methodNames.ContainsKey(newName))
|
|
|
|
|
return newName;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
INameCreator getMethodNameCreator(MethodDef methodDef, string suggestedName) {
|
|
|
|
|
var variableNameState = MemberRenameState.variableNameState;
|
|
|
|
|
INameCreator nameCreator = null;
|
|
|
|
|
string newName = null;
|
|
|
|
|
|
|
|
|
|
if (methodDef.MethodDefinition.HasPInvokeInfo)
|
|
|
|
|
newName = getPinvokeName(methodDef);
|
|
|
|
|
else if (methodDef.MethodDefinition.IsStatic)
|
|
|
|
|
nameCreator = variableNameState.staticMethodNameCreator;
|
|
|
|
|
else if (methodDef.isVirtual()) {
|
|
|
|
|
MethodRef otherMethodRef;
|
|
|
|
|
if ((otherMethodRef = MemberRenameState.get(methodDef)) != null)
|
|
|
|
|
newName = otherMethodRef.NewName;
|
|
|
|
|
else if (methodDef.MethodDefinition.HasOverrides) {
|
|
|
|
|
var overrideMethod = methodDef.MethodDefinition.Overrides[0];
|
|
|
|
|
var otherMethodDef = defFinder.findMethod(overrideMethod);
|
|
|
|
|
if (otherMethodDef != null)
|
|
|
|
|
newName = getOverrideMethodName(overrideMethod.DeclaringType, otherMethodDef.NewName);
|
|
|
|
|
else
|
|
|
|
|
newName = getOverrideMethodName(overrideMethod.DeclaringType, overrideMethod.Name);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
nameCreator = variableNameState.virtualMethodNameCreator;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
nameCreator = variableNameState.instanceMethodNameCreator;
|
|
|
|
|
|
|
|
|
|
if (newName == null)
|
|
|
|
|
newName = suggestedName;
|
|
|
|
|
if (newName != null)
|
|
|
|
|
nameCreator = new OneNameCreator(newName);
|
|
|
|
|
|
|
|
|
|
return nameCreator;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|