Method Parse

asm/parser.go:32–67

(input io.Reader)

}

func (p *Parser) Parse(input io.Reader) ([]Instruction, error) {
	scanner := bufio.NewScanner(input)
	instructions := []Instruction{}

	for scanner.Scan() {
		line := scanner.Text()
		line = strings.TrimSpace(line)

		if line == "" {
			continue
		}

		if IS_DEFLABEL.MatchString(line) {
			instructions = append(instructions, processLabel(line))
		} else if IS_DEFSYMBOL.MatchString(line) {
			if ins, err := parseDefSymbol(line); err == nil {
				instructions = append(instructions, ins)
			} else {
				return nil, err
			}
		} else if INSTRUCTION.MatchString(line) {
			if ins, err := parseInstruction(line); err == nil {
				instructions = append(instructions, ins)
			} else {
				return nil, err
			}
		} else {
			return nil, fmt.Errorf("unsupported/unparseable line: %s", line)
		}

	}
	if err := scanner.Err(); err != nil {
		return nil, err
	}
	return instructions, nil
}

func parseDefSymbol(line string) (Instruction, error) {
	tokens := IS_DEFSYMBOL.FindStringSubmatch(line)