public static string StringOperation(string original)
{
// This inner transpiler will be applied to the original and
// the result will replace this method
//
// That will allow this method to have a different signature
// than the original and it must match the transpiled result
//
IEnumerable <CodeInstruction> Transpiler(IEnumerable <CodeInstruction> instructions)
{
var list = Transpilers.Manipulator(instructions,
item => item.opcode == OpCodes.Ldarg_1,
item => item.opcode = OpCodes.Ldarg_0
).ToList();
var mJoin = SymbolExtensions.GetMethodInfo(() => string.Join(null, null));
var idx = list.FindIndex(item => item.opcode == OpCodes.Call && item.operand as MethodInfo == mJoin);
list.RemoveRange(idx + 1, list.Count - (idx + 1));
list.Add(new CodeInstruction(OpCodes.Ret));
return(list.AsEnumerable());
}
// make compiler happy
_ = Transpiler(null);
return(original);
}
public static string StringOperation(string original)
{
IEnumerable <CodeInstruction> Transpiler(IEnumerable <CodeInstruction> instructions)
{
var mJoin = SymbolExtensions.GetMethodInfo(() => string.Join(null, null));
var list = Transpilers.Manipulator(instructions,
item => item.opcode == OpCodes.Ldarg_1,
item => item.opcode = OpCodes.Ldarg_0
).ToList();
var idx = list.FindIndex(item => item.opcode == OpCodes.Call && item.operand == mJoin);
list.RemoveRange(idx + 1, list.Count - (idx + 1));
return(list.AsEnumerable());
}
Transpiler(null);
return(original);
}
static IEnumerable <CodeInstruction> Transpiler(IEnumerable <CodeInstruction> instructions)
{
return(Transpilers.Manipulator(instructions, instr => instr.OperandIs((int)' '), instr => instr.operand = (int)'*'));
}
