Disassembler skeleton

asm/disassemble.go

@@ -0,0 +1,34 @@
+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
+}