disasm.go

package vm

import "fmt"

func Disasm(code []byte) []string {
	var out []string
	for pc := uint64(0); pc < uint64(len(code)); pc++ {
		op := OpCode(code[pc])
		out = append(out, op.String())

		switch op {
		case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32:
			a := uint64(op) - uint64(PUSH1) + 1
			out = append(out, fmt.Sprintf("0x%x", code[pc+1:pc+1+a]))

			pc += a
		}
	}

	return out
}