#include "instr.h"
#include <functional>
#include <map>

// clang-format off
#define INIT_INSTRUCTION(mnemonic, body) \
	{mnemonic, [](signed int &s1, signed int &s2, signed int &s3) { \
		body; \
	}}
// clang-format on

namespace instr
{
// clang-format off
const std::map<Mnemonic, std::function<void(signed int &s1, signed int &s2, signed int &s3)>>
	// clang-format on
	instr_map = {

		/* R type instructions */
		// TODO these need to be WRAPPED with a function that sets overflow.
		// future note to self, if these are more than 2 lines each, you're
		// doing it wrong
		INIT_INSTRUCTION(ADD, s3 = s1 + s2),
		INIT_INSTRUCTION(SUB, s3 = s1 - s2),

		/* I type instructions */

		/* J type instructions */
};

const std::map<unsigned int, Mnemonic> mnemonic_map = {
	{0b0000100, ADD},  {0b0001000, SUB},  {0b0001100, MUL},	 {0b0010000, QUOT},
	{0b0010100, REM},  {0b0011000, SFTR}, {0b0011100, SFTL}, {0b0100000, AND},
	{0b0100100, OR},   {0b0101000, NOT},  {0b0101100, XOR},	 {0b0110000, ADDV},
	{0b0110100, SUBV}, {0b0111000, MULV}, {0b0111100, DIVV}, {0b1000000, CMP},
	{0b1000100, CEV},  {0b000101, LOAD},  {0b001001, LOADV}, {0b001101, ADDI},
	{0b010001, SUBI},  {0b010101, SFTRI}, {0b011101, SFTLI}, {0b100001, ANDI},
	{0b100101, ORI},   {0b101001, XORI},  {0b101101, STORE}, {0b110001, STOREV},
	{0b000101, CEV},   {0b000101, LOAD},  {0b001001, LOADV}, {0b001001, LOADV},
	{0b000110, JMP},   {0b001010, JRL},	  {0b001110, JAL},	 {0b010010, BEQ},
	{0b010110, BGT},   {0b011010, BUF},	  {0b011110, BOF},	 {0b100010, PUSH},
	{0b100110, POP},

};
} // namespace instr