55 lines
2.0 KiB
C#
55 lines
2.0 KiB
C#
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using MonoFN.Cecil;
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using MonoFN.Cecil.Cil;
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namespace FishNet.CodeGenerating.Helping.Extension
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{
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internal static class MethodDefinitionExtensions
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{
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/// <summary>
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/// Clears the method content and returns ret.
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/// </summary>
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internal static void ClearMethodWithRet(this MethodDefinition md, CodegenSession session, ModuleDefinition importReturnModule = null)
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{
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md.Body.Instructions.Clear();
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ILProcessor processor = md.Body.GetILProcessor();
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processor.Add(session.GetClass<GeneralHelper>().CreateRetDefault(md, importReturnModule));
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}
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/// <summary>
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/// Returns the ParameterDefinition index from end of parameters.
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/// </summary>
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/// <param name="md"></param>
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/// <param name="index"></param>
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/// <returns></returns>
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internal static ParameterDefinition GetEndParameter(this MethodDefinition md, int index)
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{
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//Not enough parameters.
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if (md.Parameters.Count < (index + 1))
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return null;
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return md.Parameters[md.Parameters.Count - (index + 1)];
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}
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/// <summary>
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/// Creates a variable type within the body and returns it's VariableDef.
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/// </summary>
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internal static VariableDefinition CreateVariable(this MethodDefinition methodDef, TypeReference variableTypeRef)
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{
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VariableDefinition variableDef = new VariableDefinition(variableTypeRef);
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methodDef.Body.Variables.Add(variableDef);
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return variableDef;
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}
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/// <summary>
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/// Creates a variable type within the body and returns it's VariableDef.
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/// </summary>
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internal static VariableDefinition CreateVariable(this MethodDefinition methodDef, CodegenSession session, System.Type variableType)
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{
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return CreateVariable(methodDef, session.GetClass<GeneralHelper>().GetTypeReference(variableType));
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}
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}
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}
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