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* FEATURE - API to support easier manual translations of TextAsset resources * FEATURE - Support for not loading every translated image into memory permanently, but instead loading them on demand (new configuration option) * FEATURE - Better support for variations of Chinese as output language. 'zh-CN', 'zh-TW', 'zh-Hans', 'zh-Hant', 'zh' can now all be used by all translators if supported * FEATURE - Better support for variations of Chinese as input language. Plugin wont complain if 'zh-Hans', 'zh-Hant' or 'zh' is used * MISC - Support for older versions of UTAGE * MISC - New option that enables ignoring rules for calling virtual methods when setting the text of a text component: 'IgnoreVirtualTextSetterCallingRules' * MISC - Updated version of MonoMod distributed with the plugin * BUG FIX - Potential errors caused by using weak references incorrectly causing a race condition * BUG FIX - Potential error during initialization if Resource Redirector is not present
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Feb 28, 2020
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138 changes: 138 additions & 0 deletions
138
src/XUnity.AutoTranslator.Plugin.Core/Utilities/VirtcallRuleBreaker.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| using MonoMod.Utils; | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Reflection; | ||
| using System.Text; | ||
|
|
||
| namespace XUnity.AutoTranslator.Plugin.Core.Utilities | ||
| { | ||
| static class VirtcallRuleBreaker | ||
| { | ||
| public static Delegate GenerateDelegate( MethodBase method, bool useCallVirt ) | ||
| { | ||
| var parameterTypes = GetActualParameters( method ); | ||
| var actionParameters = GetActionParameters( method ); | ||
| var returnType = method is MethodInfo mi ? mi.ReturnType : typeof( void ); | ||
|
|
||
| var dynamicMethod = new DynamicMethodDefinition( "DynamicMethod_" + method.Name, returnType, actionParameters ); | ||
|
|
||
| var il = dynamicMethod.GetILProcessor(); | ||
| if( actionParameters.Length >= 1 ) | ||
| { | ||
| il.Emit( Mono.Cecil.Cil.OpCodes.Ldarg_0 ); | ||
| il.Emit( Mono.Cecil.Cil.OpCodes.Castclass, parameterTypes[ 0 ] ); | ||
| if( actionParameters.Length >= 2 ) | ||
| { | ||
| il.Emit( Mono.Cecil.Cil.OpCodes.Ldarg_1 ); | ||
| il.Emit( Mono.Cecil.Cil.OpCodes.Castclass, parameterTypes[ 1 ] ); | ||
| if( actionParameters.Length >= 3 ) | ||
| { | ||
| il.Emit( Mono.Cecil.Cil.OpCodes.Ldarg_2 ); | ||
| il.Emit( Mono.Cecil.Cil.OpCodes.Castclass, parameterTypes[ 2 ] ); | ||
| if( actionParameters.Length >= 4 ) | ||
| { | ||
| il.Emit( Mono.Cecil.Cil.OpCodes.Ldarg_3 ); | ||
| il.Emit( Mono.Cecil.Cil.OpCodes.Castclass, parameterTypes[ 3 ] ); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| il.Emit( useCallVirt ? Mono.Cecil.Cil.OpCodes.Callvirt : Mono.Cecil.Cil.OpCodes.Call, method ); | ||
| il.Emit( Mono.Cecil.Cil.OpCodes.Ret ); | ||
|
|
||
| var delegateType = returnType == typeof( void ) ? GetGenericActionType( actionParameters ) : GetGenericFuncType( actionParameters, returnType ); | ||
| var actionOrFunc = dynamicMethod.Generate().CreateDelegate( delegateType ); | ||
| return actionOrFunc; | ||
| } | ||
|
|
||
| static Type[] GetActionParameters( MethodBase method ) | ||
| { | ||
| if( method.IsStatic ) | ||
| { | ||
| return method.GetParameters().Select( x => typeof( object ) ).ToArray(); | ||
| } | ||
| else | ||
| { | ||
| return new Type[] { typeof( object ) }.Concat( method.GetParameters().Select( x => typeof( object ) ) ).ToArray(); | ||
| } | ||
| } | ||
|
|
||
| static Type[] GetActualParameters( MethodBase method ) | ||
| { | ||
| if( method.IsStatic ) | ||
| { | ||
| return method.GetParameters().Select( x => x.ParameterType ).ToArray(); | ||
| } | ||
| else | ||
| { | ||
| return new Type[] { method.DeclaringType }.Concat( method.GetParameters().Select( x => x.ParameterType ) ).ToArray(); | ||
| } | ||
| } | ||
|
|
||
| static Type GetGenericActionType( Type[] parameterTypes ) | ||
| { | ||
| return GetActionType( parameterTypes.Length ).MakeGenericType( parameterTypes ); | ||
| } | ||
|
|
||
| static Type GetGenericFuncType( Type[] parameterTypes, Type returnType ) | ||
| { | ||
| return GetFuncType( parameterTypes.Length ).MakeGenericType( parameterTypes.Concat( new[] { returnType } ).ToArray() ); | ||
| } | ||
|
|
||
| static Type GetActionType( int parameterCount ) | ||
| { | ||
| switch( parameterCount ) | ||
| { | ||
| case 0: | ||
| return typeof( Action ); | ||
| case 1: | ||
| return typeof( Action<> ); | ||
| case 2: | ||
| return typeof( Action<,> ); | ||
| case 3: | ||
| return typeof( Action<,,> ); | ||
| case 4: | ||
| return typeof( Action<,,,> ); | ||
| default: | ||
| throw new ArgumentException( nameof( parameterCount ) ); | ||
| } | ||
| } | ||
|
|
||
| static Type GetFuncType( int parameterCount ) | ||
| { | ||
| switch( parameterCount ) | ||
| { | ||
| case 0: | ||
| return typeof( Func<> ); | ||
| case 1: | ||
| return typeof( Func<,> ); | ||
| case 2: | ||
| return typeof( Func<,,> ); | ||
| case 3: | ||
| return typeof( Func<,,,> ); | ||
| case 4: | ||
| return typeof( Func<,,,,> ); | ||
| default: | ||
| throw new ArgumentException( nameof( parameterCount ) ); | ||
| } | ||
| } | ||
|
|
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| //static string GetFuncTypeName( int parameterCount ) | ||
| //{ | ||
| // return "System.Func`" + ( parameterCount + 1 ); | ||
| //} | ||
|
|
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| //static string GetActionTypeName( int parameterCount ) | ||
| //{ | ||
| // if( parameterCount == 0 ) | ||
| // { | ||
| // return "System.Action"; | ||
| // } | ||
| // else | ||
| // { | ||
| // return "System.Action`" + parameterCount; | ||
| // } | ||
| //} | ||
| } | ||
| } |