#include "xor.h"

#include "codes.h"

#include <asm/assembler.h>
#include <asm/operators.h>

#include <asm/intel64/codes.h>

using namespace std::string_literals;

Op_xor::Op_xor(const Asm::Args& args)
{
 if (args[0].type() == typeid(Asm::Args::Register8) && args[1].type() == typeid(Asm::Args::Register8)) { // xor reg8, reg8
  machine_code = std::vector<uint8_t>{ 0x30 } +
   ModRM(std::any_cast<Asm::Args::Register8>(args[0]).name(), std::any_cast<Asm::Args::Register8>(args[1]).name());
 } else if (args[0].type() == typeid(Asm::Args::Register32) && args[1].type() == typeid(Asm::Args::Register32)) { // xor reg32, reg32
  machine_code = std::vector<uint8_t>{ 0x31 } +
   ModRM(std::any_cast<Asm::Args::Register32>(args[0]).name(), std::any_cast<Asm::Args::Register32>(args[1]).name());
 } else if (args[0].type() == typeid(Asm::Args::Register64) && args[1].type() == typeid(Asm::Args::Register64)) { // xor reg64, reg64
  machine_code = REX("W") + std::vector<uint8_t>{ 0x31 } +
   ModRM(std::any_cast<Asm::Args::Register64>(args[0]).name(), std::any_cast<Asm::Args::Register64>(args[1]).name());
 } else {
  throw std::runtime_error("Unimplemented: xor "s + args[0].type().name() + " "s + args[1].type().name());
 }
}

namespace {

bool registered {
 registerOp(mangleName<Asm::Args::Register8, Asm::Args::Register8>("xor"), [](const Asm::Args& args) -> std::shared_ptr<Op>{
               return std::make_shared<Op_xor>(args);
            }) &&
 registerOp(mangleName<Asm::Args::Register32, Asm::Args::Register32>("xor"), [](const Asm::Args& args) -> std::shared_ptr<Op>{
               return std::make_shared<Op_xor>(args);
            }) &&
 registerOp(mangleName<Asm::Args::Register64, Asm::Args::Register64>("xor"), [](const Asm::Args& args) -> std::shared_ptr<Op>{
               return std::make_shared<Op_xor>(args);
            })
};

}