public static void emit(System.Reflection.Emit.OpCode OpCode, object Data, System.Reflection.Emit.ILGenerator Generator)
{
if (OpCode.FlowControl == System.Reflection.Emit.FlowControl.Branch || OpCode.FlowControl == System.Reflection.Emit.FlowControl.Cond_Branch)
{
if (Data is System.Reflection.Emit.Label)
{
Generator.Emit(OpCode, ((System.Reflection.Emit.Label)Data));
}
else
{
throw new Exception("Invalid data. The target of a branch has to substituted by a label before beeing emitted");
}
}
else if (OpCode.FlowControl == System.Reflection.Emit.FlowControl.Call)
{
Generator.EmitCall(OpCode, Data as System.Reflection.MethodInfo, null);
}
else
{
if (Data is System.Reflection.LocalVariableInfo)
{
System.Reflection.LocalVariableInfo info = Data as System.Reflection.LocalVariableInfo;
if (OpCode == System.Reflection.Emit.OpCodes.Ldloc ||
OpCode == System.Reflection.Emit.OpCodes.Ldloc_S ||
OpCode == System.Reflection.Emit.OpCodes.Ldloc_0 ||
OpCode == System.Reflection.Emit.OpCodes.Ldloc_1 ||
OpCode == System.Reflection.Emit.OpCodes.Ldloc_2 ||
OpCode == System.Reflection.Emit.OpCodes.Ldloc_3)
{
switch (info.LocalIndex)
{
case 0: Generator.Emit(System.Reflection.Emit.OpCodes.Ldloc_0); break;
case 1: Generator.Emit(System.Reflection.Emit.OpCodes.Ldloc_1); break;
case 2: Generator.Emit(System.Reflection.Emit.OpCodes.Ldloc_2); break;
case 3: Generator.Emit(System.Reflection.Emit.OpCodes.Ldloc_3); break;
default:
if (info.LocalIndex < 256)
{
Generator.Emit(System.Reflection.Emit.OpCodes.Ldloc_S, (byte)info.LocalIndex);
}
else
{
Generator.Emit(System.Reflection.Emit.OpCodes.Ldloc, info.LocalIndex);
}
break;
}
}
else if (OpCode == System.Reflection.Emit.OpCodes.Stloc ||
OpCode == System.Reflection.Emit.OpCodes.Stloc_S ||
OpCode == System.Reflection.Emit.OpCodes.Stloc_0 ||
OpCode == System.Reflection.Emit.OpCodes.Stloc_1 ||
OpCode == System.Reflection.Emit.OpCodes.Stloc_2 ||
OpCode == System.Reflection.Emit.OpCodes.Stloc_3)
{
switch (info.LocalIndex)
{
case 0: Generator.Emit(System.Reflection.Emit.OpCodes.Stloc_0); break;
case 1: Generator.Emit(System.Reflection.Emit.OpCodes.Stloc_1); break;
case 2: Generator.Emit(System.Reflection.Emit.OpCodes.Stloc_2); break;
case 3: Generator.Emit(System.Reflection.Emit.OpCodes.Stloc_3); break;
default:
if (info.LocalIndex < 256)
{
Generator.Emit(System.Reflection.Emit.OpCodes.Stloc_S, (byte)info.LocalIndex);
}
else
{
Generator.Emit(System.Reflection.Emit.OpCodes.Stloc, info.LocalIndex);
}
break;
}
}
else
{
throw new InvalidProgramException("Invalid OpCode and Data combinaison: " + OpCode.ToString() + " " + Data.ToString());
}
}
else if (OpCode == System.Reflection.Emit.OpCodes.Ldarg_0 ||
OpCode == System.Reflection.Emit.OpCodes.Ldarg_1 ||
OpCode == System.Reflection.Emit.OpCodes.Ldarg_2 ||
OpCode == System.Reflection.Emit.OpCodes.Ldarg_3 ||
OpCode == System.Reflection.Emit.OpCodes.Ldarg_S)
{
int argIndx = (int)Data;
switch (argIndx)
{
case 0: Generator.Emit(System.Reflection.Emit.OpCodes.Ldarg_0); break;
case 1: Generator.Emit(System.Reflection.Emit.OpCodes.Ldarg_1); break;
case 2: Generator.Emit(System.Reflection.Emit.OpCodes.Ldarg_2); break;
case 3: Generator.Emit(System.Reflection.Emit.OpCodes.Ldarg_3); break;
default:
if (argIndx < 256)
{
Generator.Emit(System.Reflection.Emit.OpCodes.Ldarg_S, (byte)argIndx);
}
else
{
Generator.Emit(System.Reflection.Emit.OpCodes.Ldarg, argIndx);
}
break;
}
}
else
{
if (Data == null)
{
Generator.Emit(OpCode);
}
else if (Data is int)
{
Generator.Emit(OpCode, (int)Data);
}
else if (Data is byte)
{
Generator.Emit(OpCode, (byte)Data);
}
else if (Data is double)
{
Generator.Emit(OpCode, (double)Data);
}
else if (Data is float)
{
Generator.Emit(OpCode, (float)Data);
}
else if (Data is FieldInfo)
{
Generator.Emit(OpCode, (FieldInfo)Data);
}
else if (Data is long)
{
Generator.Emit(OpCode, (long)Data);
}
else if (Data is Type)
{
Generator.Emit(OpCode, (Type)Data);
}
else if (Data is ConstructorInfo)
{
Generator.Emit(OpCode, (ConstructorInfo)Data);
}
else
{
throw new InvalidProgramException("Invalid OpCode and Data combinaison: " + OpCode.ToString() + " " + Data.ToString());
}
}
}
}