package asm

import "fmt"

import "github.com/firestuff/subcoding/vm"
import "github.com/pkg/errors"

func Disassemble(prog *vm.Program) ([]byte, error) {
	for f, fnc := range prog.Functions {
		_, err := disassembleFunction(fnc)
		if err != nil {
			return nil, errors.Wrapf(err, "At function index %d", f)
		}
	}

	return nil, nil
}

func disassembleFunction(fnc *vm.Function) ([]byte, error) {
	for i, instr := range fnc.Instructions {
		_, err := disassembleInstruction(instr)
		if err != nil {
			return nil, errors.Wrapf(err, "At instruction index %d", i)
		}
	}

	return nil, nil
}

func disassembleInstruction(in *vm.Instruction) ([]byte, error) {
	fmt.Printf("%s\n", nameByOpCode[in.OpCode])

	return nil, nil
}