137 lines
4.8 KiB
C#
137 lines
4.8 KiB
C#
// Copyright 2025 Code Philosophy
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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using dnlib.DotNet;
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using System.Collections.Generic;
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using UnityEngine.Assertions;
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namespace Obfuz.ObfusPasses.SymbolObfus.NameMakers
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{
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public abstract class NameMakerBase : INameMaker
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{
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private readonly Dictionary<object, INameScope> _nameScopes = new Dictionary<object, INameScope>();
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private readonly object _namespaceScope = new object();
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private readonly object _typeNameScope = new object();
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private readonly object _methodNameScope = new object();
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private readonly object _fieldNameScope = new object();
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protected abstract INameScope CreateNameScope();
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protected INameScope GetNameScope(object key)
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{
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if (!_nameScopes.TryGetValue(key, out var nameScope))
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{
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nameScope = CreateNameScope();
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_nameScopes[key] = nameScope;
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}
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return nameScope;
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}
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public void AddPreservedName(TypeDef typeDef, string name)
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{
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GetNameScope(_typeNameScope).AddPreservedName(name);
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}
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public void AddPreservedName(MethodDef methodDef, string name)
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{
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GetNameScope(_methodNameScope).AddPreservedName(name);
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}
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public void AddPreservedName(FieldDef fieldDef, string name)
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{
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GetNameScope(_fieldNameScope).AddPreservedName(name);
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}
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public void AddPreservedName(PropertyDef propertyDef, string name)
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{
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GetNameScope(propertyDef.DeclaringType).AddPreservedName(name);
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}
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public void AddPreservedName(EventDef eventDef, string name)
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{
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GetNameScope(eventDef.DeclaringType).AddPreservedName(name);
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}
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public void AddPreservedNamespace(TypeDef typeDef, string name)
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{
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GetNameScope(_namespaceScope).AddPreservedName(name);
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}
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public bool IsNamePreserved(VirtualMethodGroup virtualMethodGroup, string name)
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{
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var scope = GetNameScope(_methodNameScope);
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return scope.IsNamePreserved(name);
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}
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private string GetDefaultNewName(object scope, string originName)
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{
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return GetNameScope(scope).GetNewName(originName, false);
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}
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public string GetNewNamespace(TypeDef typeDef, string originalNamespace, bool reuse)
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{
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if (string.IsNullOrEmpty(originalNamespace))
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{
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return string.Empty;
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}
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return GetNameScope(_namespaceScope).GetNewName(originalNamespace, reuse);
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}
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public string GetNewName(TypeDef typeDef, string originalName)
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{
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return GetDefaultNewName(_typeNameScope, originalName);
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}
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public string GetNewName(MethodDef methodDef, string originalName)
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{
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Assert.IsFalse(methodDef.IsVirtual);
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return GetDefaultNewName(_methodNameScope, originalName);
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}
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public string GetNewName(VirtualMethodGroup virtualMethodGroup, string originalName)
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{
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var scope = GetNameScope(_methodNameScope);
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return scope.GetNewName(originalName, false);
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}
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public virtual string GetNewName(ParamDef param, string originalName)
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{
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return "1";
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}
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public string GetNewName(FieldDef fieldDef, string originalName)
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{
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return GetDefaultNewName(_fieldNameScope, originalName);
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}
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public string GetNewName(PropertyDef propertyDef, string originalName)
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{
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return GetDefaultNewName(propertyDef.DeclaringType, originalName);
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}
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public string GetNewName(EventDef eventDef, string originalName)
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{
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return GetDefaultNewName(eventDef.DeclaringType, originalName);
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}
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}
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}
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