747 lines
23 KiB
C#
747 lines
23 KiB
C#
/*
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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 Mono.Cecil;
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namespace de4dot.blocks {
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public enum CecilType {
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ArrayType,
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ByReferenceType,
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EventDefinition,
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FieldDefinition,
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FieldReference,
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FunctionPointerType,
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GenericInstanceMethod,
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GenericInstanceType,
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GenericParameter,
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MethodDefinition,
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MethodReference,
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OptionalModifierType,
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PinnedType,
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PointerType,
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PropertyDefinition,
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RequiredModifierType,
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SentinelType,
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TypeDefinition,
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TypeReference,
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}
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public class TypeReferenceKey {
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TypeReference typeRef;
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public TypeReference TypeReference {
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get { return typeRef; }
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}
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public TypeReferenceKey(TypeReference typeRef) {
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this.typeRef = typeRef;
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}
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public override int GetHashCode() {
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return MemberReferenceHelper.typeHashCode(typeRef);
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}
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public override bool Equals(object obj) {
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var other = obj as TypeReferenceKey;
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if (other == null)
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return false;
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return MemberReferenceHelper.compareTypes(typeRef, other.typeRef);
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}
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public override string ToString() {
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return typeRef.ToString();
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}
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}
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public class FieldReferenceKey {
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FieldReference fieldRef;
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public FieldReference FieldReference {
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get { return fieldRef; }
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}
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public FieldReferenceKey(FieldReference fieldRef) {
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this.fieldRef = fieldRef;
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}
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public override int GetHashCode() {
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return MemberReferenceHelper.fieldReferenceHashCode(fieldRef);
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}
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public override bool Equals(object obj) {
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var other = obj as FieldReferenceKey;
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if (other == null)
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return false;
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return MemberReferenceHelper.compareFieldReference(fieldRef, other.fieldRef);
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}
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public override string ToString() {
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return fieldRef.ToString();
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}
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}
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public class PropertyReferenceKey {
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PropertyReference propRef;
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public PropertyReference PropertyReference {
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get { return propRef; }
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}
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public PropertyReferenceKey(PropertyReference propRef) {
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this.propRef = propRef;
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}
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public override int GetHashCode() {
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return MemberReferenceHelper.propertyReferenceHashCode(propRef);
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}
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public override bool Equals(object obj) {
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var other = obj as PropertyReferenceKey;
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if (other == null)
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return false;
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return MemberReferenceHelper.comparePropertyReference(propRef, other.propRef);
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}
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public override string ToString() {
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return propRef.ToString();
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}
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}
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public class EventReferenceKey {
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EventReference eventRef;
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public EventReference EventReference {
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get { return eventRef; }
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}
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public EventReferenceKey(EventReference eventRef) {
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this.eventRef = eventRef;
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}
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public override int GetHashCode() {
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return MemberReferenceHelper.eventReferenceHashCode(eventRef);
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}
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public override bool Equals(object obj) {
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var other = obj as EventReferenceKey;
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if (other == null)
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return false;
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return MemberReferenceHelper.compareEventReference(eventRef, other.eventRef);
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}
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public override string ToString() {
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return eventRef.ToString();
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}
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}
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public class MethodReferenceKey {
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MethodReference methodRef;
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public MethodReference MethodReference {
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get { return methodRef; }
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}
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public MethodReferenceKey(MethodReference methodRef) {
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this.methodRef = methodRef;
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}
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public override int GetHashCode() {
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return MemberReferenceHelper.methodReferenceHashCode(methodRef);
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}
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public override bool Equals(object obj) {
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var other = obj as MethodReferenceKey;
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if (other == null)
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return false;
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return MemberReferenceHelper.compareMethodReference(methodRef, other.methodRef);
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}
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public override string ToString() {
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return methodRef.ToString();
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}
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}
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public class FieldReferenceAndDeclaringTypeKey {
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FieldReference fieldRef;
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public FieldReference FieldReference {
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get { return fieldRef; }
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}
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public FieldReferenceAndDeclaringTypeKey(FieldReference fieldRef) {
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this.fieldRef = fieldRef;
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}
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public override int GetHashCode() {
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return MemberReferenceHelper.fieldReferenceHashCode(fieldRef) +
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MemberReferenceHelper.typeHashCode(fieldRef.DeclaringType);
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}
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public override bool Equals(object obj) {
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var other = obj as FieldReferenceAndDeclaringTypeKey;
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if (other == null)
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return false;
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return MemberReferenceHelper.compareFieldReference(fieldRef, other.fieldRef) &&
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MemberReferenceHelper.compareTypes(fieldRef.DeclaringType, other.fieldRef.DeclaringType);
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}
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public override string ToString() {
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return fieldRef.ToString();
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}
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}
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public class MethodReferenceAndDeclaringTypeKey {
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MethodReference methodRef;
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public MethodReference MethodReference {
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get { return methodRef; }
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}
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public MethodReferenceAndDeclaringTypeKey(MethodReference methodRef) {
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this.methodRef = methodRef;
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}
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public override int GetHashCode() {
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return MemberReferenceHelper.methodReferenceHashCode(methodRef) +
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MemberReferenceHelper.typeHashCode(methodRef.DeclaringType);
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}
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public override bool Equals(object obj) {
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var other = obj as MethodReferenceAndDeclaringTypeKey;
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if (other == null)
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return false;
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return MemberReferenceHelper.compareMethodReference(methodRef, other.methodRef) &&
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MemberReferenceHelper.compareTypes(methodRef.DeclaringType, other.methodRef.DeclaringType);
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}
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public override string ToString() {
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return methodRef.ToString();
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}
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}
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public static class MemberReferenceHelper {
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static Dictionary<Type, CecilType> typeToCecilTypeDict = new Dictionary<Type, CecilType>();
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static MemberReferenceHelper() {
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typeToCecilTypeDict[typeof(ArrayType)] = CecilType.ArrayType;
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typeToCecilTypeDict[typeof(ByReferenceType)] = CecilType.ByReferenceType;
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typeToCecilTypeDict[typeof(EventDefinition)] = CecilType.EventDefinition;
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typeToCecilTypeDict[typeof(FieldDefinition)] = CecilType.FieldDefinition;
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typeToCecilTypeDict[typeof(FieldReference)] = CecilType.FieldReference;
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typeToCecilTypeDict[typeof(FunctionPointerType)] = CecilType.FunctionPointerType;
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typeToCecilTypeDict[typeof(GenericInstanceMethod)] = CecilType.GenericInstanceMethod;
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typeToCecilTypeDict[typeof(GenericInstanceType)] = CecilType.GenericInstanceType;
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typeToCecilTypeDict[typeof(GenericParameter)] = CecilType.GenericParameter;
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typeToCecilTypeDict[typeof(MethodDefinition)] = CecilType.MethodDefinition;
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typeToCecilTypeDict[typeof(MethodReference)] = CecilType.MethodReference;
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typeToCecilTypeDict[typeof(OptionalModifierType)] = CecilType.OptionalModifierType;
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typeToCecilTypeDict[typeof(PinnedType)] = CecilType.PinnedType;
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typeToCecilTypeDict[typeof(PointerType)] = CecilType.PointerType;
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typeToCecilTypeDict[typeof(PropertyDefinition)] = CecilType.PropertyDefinition;
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typeToCecilTypeDict[typeof(RequiredModifierType)] = CecilType.RequiredModifierType;
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typeToCecilTypeDict[typeof(SentinelType)] = CecilType.SentinelType;
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typeToCecilTypeDict[typeof(TypeDefinition)] = CecilType.TypeDefinition;
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typeToCecilTypeDict[typeof(TypeReference)] = CecilType.TypeReference;
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}
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public static CecilType getMemberReferenceType(MemberReference memberReference) {
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CecilType cecilType;
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var type = memberReference.GetType();
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if (typeToCecilTypeDict.TryGetValue(type, out cecilType))
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return cecilType;
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throw new ApplicationException(string.Format("Unknown MemberReference type: {0}", type));
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}
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public static bool verifyType(TypeReference typeReference, string assembly, string type, string extra = "") {
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return typeReference != null &&
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MemberReferenceHelper.getCanonicalizedTypeRefName(typeReference.GetElementType()) == "[" + assembly + "]" + type &&
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typeReference.FullName == type + extra;
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}
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public static string getCanonicalizedTypeRefName(TypeReference typeRef) {
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return getCanonicalizedTypeRefName(typeRef.Scope, typeRef.FullName);
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}
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public static string getCanonicalizedTypeRefName(IMetadataScope scope, string fullName) {
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return string.Format("[{0}]{1}", getCanonicalizedScopeName(scope), fullName);
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}
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public static string getCanonicalizedScopeName(IMetadataScope scope) {
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var name = scope.Name.ToLowerInvariant();
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if (scope is ModuleDefinition) {
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if (name.EndsWith(".exe", StringComparison.Ordinal) || name.EndsWith(".dll", StringComparison.Ordinal))
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name = name.Remove(name.Length - 4);
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}
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return name;
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}
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static bool compareScope(IMetadataScope a, IMetadataScope b) {
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if (ReferenceEquals(a, b))
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return true;
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if (a == null || b == null)
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return false;
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return getCanonicalizedScopeName(a) == getCanonicalizedScopeName(b);
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}
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static int scopeHashCode(IMetadataScope a) {
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if (a == null)
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return 0;
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return getCanonicalizedScopeName(a).GetHashCode();
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}
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public static bool compareEventReference(EventReference a, EventReference b) {
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if (ReferenceEquals(a, b))
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return true;
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if (a == null || b == null)
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return false;
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return a.Name == b.Name &&
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compareTypes(a.EventType, b.EventType);
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}
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public static int eventReferenceHashCode(EventReference a) {
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if (a == null)
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return 0;
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int res = 0;
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res += a.Name.GetHashCode();
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res += typeHashCode(a.EventType);
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return res;
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}
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public static bool compareFieldReference(FieldReference a, FieldReference b) {
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if (ReferenceEquals(a, b))
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return true;
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if (a == null || b == null)
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return false;
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return a.Name == b.Name &&
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compareTypes(a.FieldType, b.FieldType);
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}
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public static int fieldReferenceHashCode(FieldReference a) {
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if (a == null)
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return 0;
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int res = 0;
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res += a.Name.GetHashCode();
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res += typeHashCode(a.FieldType);
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return res;
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}
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public static bool compareMethodReferenceAndDeclaringType(MethodReference a, MethodReference b) {
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if (!compareMethodReference(a, b))
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return false;
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if (a == null)
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return true;
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return compareTypes(a.DeclaringType, b.DeclaringType);
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}
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public static bool compareMethodReference(MethodReference a, MethodReference b) {
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if (ReferenceEquals(a, b))
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return true;
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if (a == null || b == null)
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return false;
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if (a.Name != b.Name || a.HasThis != b.HasThis || a.ExplicitThis != b.ExplicitThis)
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return false;
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if (a.CallingConvention != b.CallingConvention)
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return false;
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if (!compareTypes(a.MethodReturnType.ReturnType, b.MethodReturnType.ReturnType))
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return false;
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if (a.HasParameters != b.HasParameters)
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return false;
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if (a.HasParameters) {
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if (a.Parameters.Count != b.Parameters.Count)
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return false;
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for (int i = 0; i < a.Parameters.Count; i++) {
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if (!compareTypes(a.Parameters[i].ParameterType, b.Parameters[i].ParameterType))
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return false;
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}
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}
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if (a.HasGenericParameters != b.HasGenericParameters)
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return false;
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if (a.HasGenericParameters && a.GenericParameters.Count != b.GenericParameters.Count)
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return false;
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return true;
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}
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public static int methodReferenceHashCode(MethodReference a) {
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if (a == null)
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return 0;
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int res = 0;
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res += a.Name.GetHashCode();
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res += a.HasThis.GetHashCode();
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res += a.ExplicitThis.GetHashCode();
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res += a.CallingConvention.GetHashCode();
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res += typeHashCode(a.MethodReturnType.ReturnType);
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res += a.HasParameters.GetHashCode();
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if (a.HasParameters) {
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res += a.Parameters.Count.GetHashCode();
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foreach (var param in a.Parameters)
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res += typeHashCode(param.ParameterType);
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}
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res += a.HasGenericParameters.GetHashCode();
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if (a.HasGenericParameters)
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res += a.GenericParameters.Count.GetHashCode();
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return res;
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}
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public static bool comparePropertyReference(PropertyReference a, PropertyReference b) {
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if (ReferenceEquals(a, b))
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return true;
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if (a == null || b == null)
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return false;
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if ((a.Parameters == null && b.Parameters != null) || (a.Parameters != null && b.Parameters == null))
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return false;
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if (a.Parameters != null) {
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if (a.Parameters.Count != b.Parameters.Count)
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return false;
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for (int i = 0; i < a.Parameters.Count; i++) {
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if (!compareTypes(a.Parameters[i].ParameterType, b.Parameters[i].ParameterType))
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return false;
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}
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}
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return a.Name == b.Name &&
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compareTypes(a.PropertyType, b.PropertyType);
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}
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public static int propertyReferenceHashCode(PropertyReference a) {
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if (a == null)
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return 0;
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int res = 0;
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if (a.Parameters != null) {
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res += a.Parameters.Count.GetHashCode();
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foreach (var param in a.Parameters)
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res += typeHashCode(param.ParameterType);
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}
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res += a.Name.GetHashCode();
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res += typeHashCode(a.PropertyType);
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return res;
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}
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public static bool compareTypes(TypeReference a, TypeReference b) {
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if (ReferenceEquals(a, b))
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return true;
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if (a == null || b == null)
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return false;
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var atype = a.GetType();
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var btype = b.GetType();
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if (atype != btype) {
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if ((atype == typeof(TypeReference) || atype == typeof(TypeDefinition)) &&
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(btype == typeof(TypeReference) || btype == typeof(TypeDefinition)))
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return compareTypeReferences(a, b);
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return false;
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}
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var type = getMemberReferenceType(a);
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switch (type) {
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case CecilType.ArrayType:
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return compareArrayTypes((ArrayType)a, (ArrayType)b);
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case CecilType.ByReferenceType:
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return compareByReferenceTypes((ByReferenceType)a, (ByReferenceType)b);
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case CecilType.FunctionPointerType:
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return compareFunctionPointerTypes((FunctionPointerType)a, (FunctionPointerType)b);
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case CecilType.GenericInstanceType:
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return compareGenericInstanceTypes((GenericInstanceType)a, (GenericInstanceType)b);
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case CecilType.GenericParameter:
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return compareGenericParameters((GenericParameter)a, (GenericParameter)b);
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case CecilType.OptionalModifierType:
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return compareOptionalModifierTypes((OptionalModifierType)a, (OptionalModifierType)b);
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case CecilType.PinnedType:
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return comparePinnedTypes((PinnedType)a, (PinnedType)b);
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case CecilType.PointerType:
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return comparePointerTypes((PointerType)a, (PointerType)b);
|
|
case CecilType.RequiredModifierType:
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|
return compareRequiredModifierTypes((RequiredModifierType)a, (RequiredModifierType)b);
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case CecilType.SentinelType:
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return compareSentinelTypes((SentinelType)a, (SentinelType)b);
|
|
case CecilType.TypeDefinition:
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return compareTypeDefinitions((TypeDefinition)a, (TypeDefinition)b);
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|
case CecilType.TypeReference:
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return compareTypeReferences((TypeReference)a, (TypeReference)b);
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|
default:
|
|
throw new ApplicationException(string.Format("Unknown cecil type {0}", type));
|
|
}
|
|
}
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|
|
|
public static int typeHashCode(TypeReference a) {
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|
if (a == null)
|
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return 0;
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|
|
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var type = getMemberReferenceType(a);
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|
switch (type) {
|
|
case CecilType.ArrayType:
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|
return arrayTypeHashCode((ArrayType)a);
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|
case CecilType.ByReferenceType:
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|
return byReferenceTypeHashCode((ByReferenceType)a);
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|
case CecilType.FunctionPointerType:
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|
return functionPointerTypeHashCode((FunctionPointerType)a);
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|
case CecilType.GenericInstanceType:
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|
return genericInstanceTypeHashCode((GenericInstanceType)a);
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|
case CecilType.GenericParameter:
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|
return genericParameterHashCode((GenericParameter)a);
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|
case CecilType.OptionalModifierType:
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|
return optionalModifierTypeHashCode((OptionalModifierType)a);
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|
case CecilType.PinnedType:
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return pinnedTypeHashCode((PinnedType)a);
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|
case CecilType.PointerType:
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return pointerTypeHashCode((PointerType)a);
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|
case CecilType.RequiredModifierType:
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|
return requiredModifierTypeHashCode((RequiredModifierType)a);
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|
case CecilType.SentinelType:
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return sentinelTypeHashCode((SentinelType)a);
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|
case CecilType.TypeDefinition:
|
|
return typeDefinitionHashCode((TypeDefinition)a);
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|
case CecilType.TypeReference:
|
|
return typeReferenceHashCode((TypeReference)a);
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|
default:
|
|
throw new ApplicationException(string.Format("Unknown cecil type {0}", type));
|
|
}
|
|
}
|
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|
|
static bool compareArrayTypes(ArrayType a, ArrayType b) {
|
|
if (a.Rank != b.Rank || a.IsVector != b.IsVector)
|
|
return false;
|
|
if (!a.IsVector) {
|
|
for (int i = 0; i < a.Dimensions.Count; i++) {
|
|
if (!compareArrayDimensions(a.Dimensions[i], b.Dimensions[i]))
|
|
return false;
|
|
}
|
|
}
|
|
return compareTypeSpecifications(a, b);
|
|
}
|
|
|
|
static int arrayTypeHashCode(ArrayType a) {
|
|
if (a == null)
|
|
return 0;
|
|
int res = 0;
|
|
|
|
res += a.Rank.GetHashCode();
|
|
res += a.IsVector.GetHashCode();
|
|
if (!a.IsVector) {
|
|
foreach (var dim in a.Dimensions)
|
|
res += arrayDimensionHashCode(dim);
|
|
}
|
|
res += typeSpecificationHashCode(a);
|
|
|
|
return res;
|
|
}
|
|
|
|
static bool compareArrayDimensions(ArrayDimension a, ArrayDimension b) {
|
|
return a.LowerBound == b.LowerBound && a.UpperBound == b.UpperBound;
|
|
}
|
|
|
|
static int arrayDimensionHashCode(ArrayDimension a) {
|
|
return a.LowerBound.GetHashCode() + a.UpperBound.GetHashCode();
|
|
}
|
|
|
|
static bool compareGenericInstanceTypes(GenericInstanceType a, GenericInstanceType b) {
|
|
if (a.HasGenericArguments != b.HasGenericArguments)
|
|
return false;
|
|
if (a.HasGenericArguments) {
|
|
if (a.GenericArguments.Count != b.GenericArguments.Count)
|
|
return false;
|
|
for (int i = 0; i < a.GenericArguments.Count; i++) {
|
|
if (!compareTypes(a.GenericArguments[i], b.GenericArguments[i]))
|
|
return false;
|
|
}
|
|
}
|
|
return compareTypeSpecifications(a, b);
|
|
}
|
|
|
|
static int genericInstanceTypeHashCode(GenericInstanceType a) {
|
|
if (a == null)
|
|
return 0;
|
|
int res = 0;
|
|
|
|
res += a.HasGenericArguments.GetHashCode();
|
|
if (a.HasGenericArguments) {
|
|
res += a.GenericArguments.Count.GetHashCode();
|
|
foreach (var arg in a.GenericArguments)
|
|
res += typeHashCode(arg);
|
|
}
|
|
res += typeSpecificationHashCode(a);
|
|
|
|
return res;
|
|
}
|
|
|
|
static bool comparePointerTypes(PointerType a, PointerType b) {
|
|
return compareTypeSpecifications(a, b);
|
|
}
|
|
|
|
static int pointerTypeHashCode(PointerType a) {
|
|
if (a == null)
|
|
return 0;
|
|
return typeSpecificationHashCode(a);
|
|
}
|
|
|
|
static bool compareByReferenceTypes(ByReferenceType a, ByReferenceType b) {
|
|
return compareTypeSpecifications(a, b);
|
|
}
|
|
|
|
static int byReferenceTypeHashCode(ByReferenceType a) {
|
|
if (a == null)
|
|
return 0;
|
|
return typeSpecificationHashCode(a);
|
|
}
|
|
|
|
static bool comparePinnedTypes(PinnedType a, PinnedType b) {
|
|
return compareTypeSpecifications(a, b);
|
|
}
|
|
|
|
static int pinnedTypeHashCode(PinnedType a) {
|
|
if (a == null)
|
|
return 0;
|
|
return typeSpecificationHashCode(a);
|
|
}
|
|
|
|
static bool compareFunctionPointerTypes(FunctionPointerType a, FunctionPointerType b) {
|
|
return compareMethodReference(a.function, b.function) &&
|
|
compareTypeSpecifications(a, b);
|
|
}
|
|
|
|
static int functionPointerTypeHashCode(FunctionPointerType a) {
|
|
if (a == null)
|
|
return 0;
|
|
return methodReferenceHashCode(a.function) + typeSpecificationHashCode(a);
|
|
}
|
|
|
|
static bool compareOptionalModifierTypes(OptionalModifierType a, OptionalModifierType b) {
|
|
return compareTypes(a.ModifierType, b.ModifierType) &&
|
|
compareTypeSpecifications(a, b);
|
|
}
|
|
|
|
static int optionalModifierTypeHashCode(OptionalModifierType a) {
|
|
if (a == null)
|
|
return 0;
|
|
return typeHashCode(a.ModifierType) + typeSpecificationHashCode(a);
|
|
}
|
|
|
|
static bool compareRequiredModifierTypes(RequiredModifierType a, RequiredModifierType b) {
|
|
return compareTypes(a.ModifierType, b.ModifierType) &&
|
|
compareTypeSpecifications(a, b);
|
|
}
|
|
|
|
static int requiredModifierTypeHashCode(RequiredModifierType a) {
|
|
if (a == null)
|
|
return 0;
|
|
return typeHashCode(a.ModifierType) + typeSpecificationHashCode(a);
|
|
}
|
|
|
|
static bool compareSentinelTypes(SentinelType a, SentinelType b) {
|
|
return compareTypeSpecifications(a, b);
|
|
}
|
|
|
|
static int sentinelTypeHashCode(SentinelType a) {
|
|
if (a == null)
|
|
return 0;
|
|
return typeSpecificationHashCode(a);
|
|
}
|
|
|
|
static bool compareTypeSpecifications(TypeSpecification a, TypeSpecification b) {
|
|
// It overrides everything of importance in TypeReference. The only thing to check
|
|
// is the ElementType.
|
|
return compareTypes(a.ElementType, b.ElementType);
|
|
}
|
|
|
|
static int typeSpecificationHashCode(TypeSpecification a) {
|
|
if (a == null)
|
|
return 0;
|
|
return typeHashCode(a.ElementType);
|
|
}
|
|
|
|
static bool compareTypeDefinitions(TypeDefinition a, TypeDefinition b) {
|
|
// They're all cached, so compare by reference
|
|
return ReferenceEquals(a, b);
|
|
}
|
|
|
|
static int typeDefinitionHashCode(TypeDefinition a) {
|
|
if (a == null)
|
|
return 0;
|
|
return typeReferenceHashCode(a);
|
|
}
|
|
|
|
static bool compareGenericParameters(GenericParameter a, GenericParameter b) {
|
|
return a.Position == b.Position &&
|
|
compareGenericParameterProvider(a.Owner, b.Owner);
|
|
}
|
|
|
|
static int genericParameterHashCode(GenericParameter a) {
|
|
if (a == null)
|
|
return 0;
|
|
return a.Position.GetHashCode() + genericParameterProviderHashCode(a.Owner);
|
|
}
|
|
|
|
// a and b must be either exactly a TypeReference or exactly a TypeDefinition
|
|
static bool compareTypeReferences(TypeReference a, TypeReference b) {
|
|
if ((a.GetType() != typeof(TypeReference) && a.GetType() != typeof(TypeDefinition)) ||
|
|
(b.GetType() != typeof(TypeReference) && b.GetType() != typeof(TypeDefinition)))
|
|
throw new ApplicationException("arg must be exactly of type TypeReference or TypeDefinition");
|
|
|
|
return a.Name == b.Name &&
|
|
a.Namespace == b.Namespace &&
|
|
compareTypes(a.DeclaringType, b.DeclaringType) &&
|
|
compareScope(a.Scope, b.Scope);
|
|
}
|
|
|
|
// a must be exactly a TypeReference or a TypeDefinition
|
|
static int typeReferenceHashCode(TypeReference a) {
|
|
if (a == null)
|
|
return 0;
|
|
|
|
if (a.GetType() != typeof(TypeReference) && a.GetType() != typeof(TypeDefinition))
|
|
throw new ApplicationException("arg must be exactly of type TypeReference or TypeDefinition");
|
|
|
|
int res = 0;
|
|
|
|
res += a.Name.GetHashCode();
|
|
res += a.Namespace.GetHashCode();
|
|
res += typeHashCode(a.DeclaringType);
|
|
res += scopeHashCode(a.Scope);
|
|
|
|
return res;
|
|
}
|
|
|
|
static bool compareGenericParameterProvider(IGenericParameterProvider a, IGenericParameterProvider b) {
|
|
if (ReferenceEquals(a, b))
|
|
return true;
|
|
if (a == null || b == null)
|
|
return false;
|
|
if (a is TypeReference && b is TypeReference)
|
|
return compareTypes((TypeReference)a, (TypeReference)b);
|
|
if (a is MethodReference && b is MethodReference)
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
static int genericParameterProviderHashCode(IGenericParameterProvider a) {
|
|
if (a == null)
|
|
return 0;
|
|
if (a is TypeReference)
|
|
return typeHashCode((TypeReference)a);
|
|
if (a is MethodReference)
|
|
return 0;
|
|
throw new ApplicationException(string.Format("Unknown IGenericParameterProvider type {0}", a.GetType()));
|
|
}
|
|
}
|
|
}
|