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Fix ByRef parameters breaking generated patch code

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This commit is contained in:
Sinai 2021-09-07 03:40:09 +10:00
parent 297034e38b
commit a0d5ab8792
1 changed files with 13 additions and 6 deletions
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19
src/Hooks/HookInstance.cs
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@ -32,8 +32,8 @@ namespace UnityExplorer.Hooks
{
this.TargetMethod = targetMethod;
this.shortSignature = $"{targetMethod.DeclaringType.Name}.{targetMethod.Name}";
GenerateProcessorAndDelegate();
Patch();
if (GenerateProcessorAndDelegate())
Patch();
}
// Evaluator.source_file
@ -41,7 +41,7 @@ namespace UnityExplorer.Hooks
// TypeDefinition.Definition
private static readonly PropertyInfo pi_Definition = ReflectionUtility.GetPropertyInfo(typeof(TypeDefinition), "Definition");
private void GenerateProcessorAndDelegate()
private bool GenerateProcessorAndDelegate()
{
try
{
@ -52,7 +52,7 @@ namespace UnityExplorer.Hooks
scriptEvaluator.Run(GeneratePatchSourceCode(TargetMethod));
if (ScriptEvaluator._reportPrinter.ErrorsCount > 0)
throw new FormatException($"Unable to compile the generated patch:\r\n{scriptEvaluator._textWriter}");
throw new FormatException($"Unable to compile the generated patch!");
// TODO: Publicize MCS to avoid this reflection
// Get the last defined type in the source file
@ -65,10 +65,13 @@ namespace UnityExplorer.Hooks
// Actually create the harmony patch
this.patchDelegate = new HarmonyMethod(patchDelegateMethodInfo);
patchProcessor.AddPostfix(patchDelegate);
return true;
}
catch (Exception ex)
{
ExplorerCore.LogWarning($"Exception creating patch processor for target method {TargetMethod.FullDescription()}!\r\n{ex}");
return false;
}
}
@ -93,7 +96,9 @@ namespace UnityExplorer.Hooks
var parameters = targetMethod.GetParameters();
foreach (var param in parameters)
{
codeBuilder.Append($", {param.ParameterType.FullName} __{paramIdx}");
Type pType = param.ParameterType;
if (pType.IsByRef) pType = pType.GetElementType();
codeBuilder.Append($", {pType.FullName} __{paramIdx}");
paramIdx++;
}
@ -116,7 +121,9 @@ namespace UnityExplorer.Hooks
paramIdx = 0;
foreach (var param in parameters)
{
if (param.ParameterType.IsValueType)
Type pType = param.ParameterType;
if (pType.IsByRef) pType = pType.GetElementType();
if (pType.IsValueType)
logMessage.AppendLine($"Parameter {paramIdx} {param.Name}: {{__{paramIdx}.ToString()}}");
else
logMessage.AppendLine($"Parameter {paramIdx} {param.Name}: {{__{paramIdx}?.ToString() ?? \"null\"}}");