Пример #1
0
// Parse parses a line.
func (radr *RAdr) Parse(source *token.Source) error {
	radr.Label.Parse(source)

	err := radr.Opcode.Parse(source)
	if err != nil {
		return err
	}
	err = radr.Operand1.Parse(source)
	if err != nil {
		return err
	}
	err = token.NewComma().Parse(source)
	if err != nil {
		return err
	}
	err = radr.Operand2.Parse(source)
	if err != nil {
		return err
	}

	radr.Comment.Parse(source)
	if !IsRAdrOpcode(radr.Opcode.TextValue()) {
		return fmt.Errorf("This line can't accept R, adr %#v", source)
	}
	if !source.IsEmpty() {
		return fmt.Errorf("This line doesn't end. %#v", source)
	}
	return nil
}
Пример #2
0
// Parse parses a line.
func (r1r2 *R1R2) Parse(source *token.Source) error {
	r1r2.Label.Parse(source)

	err := r1r2.Opcode.Parse(source)
	if err != nil {
		return err
	}
	err = r1r2.Operand1.Parse(source)
	if err != nil {
		return err
	}
	err = token.NewComma().Parse(source)
	if err != nil {
		return err
	}
	err = r1r2.Operand2.Parse(source)
	if err != nil {
		return err
	}
	r1r2.Comment.Parse(source)
	if !IsR1R2Opcode(r1r2.Opcode.TextValue()) {
		return fmt.Errorf("This line can't accept R1, R2, %#v", source)
	}
	if !source.IsEmpty() {
		return fmt.Errorf("This line doesn't end. %#v", source)
	}
	return nil
}
Пример #3
0
// Parse parses a line.
func (inout *InOut) Parse(source *token.Source) error {
	inout.Label.Parse(source)

	err := inout.Opcode.Parse(source)
	if err != nil {
		return err
	}
	err = inout.Operand1.Parse(source)
	if err != nil {
		return err
	}
	err = token.NewComma().Parse(source)
	if err != nil {
		return err
	}
	err = inout.Operand2.Parse(source)
	if err != nil {
		return err
	}

	inout.Comment.Parse(source)
	if !IsInOutOpcode(inout.Opcode.TextValue()) {
		return fmt.Errorf("This line can't accept label, label %#v", source)
	}
	if !source.IsEmpty() {
		return fmt.Errorf("This line doesn't end. %#v", source)
	}

	return nil
}
Пример #4
0
// Parse parses a line.
func (adrx *AdrX) Parse(source *token.Source) error {
	adrx.Label.Parse(source)

	err := adrx.Opcode.Parse(source)
	if err != nil {
		return err
	}
	err = adrx.Operand1.Parse(source)
	if err != nil {
		return err
	}
	err = token.NewComma().Parse(source)
	if err != nil {
		return err
	}
	err = adrx.Operand2.Parse(source)
	if err != nil {
		return err
	}

	adrx.Comment.Parse(source)
	if !IsAdrXOpcode(adrx.Opcode.TextValue()) {
		return fmt.Errorf("This line can't accept adr, x %#v", source)
	}
	if !source.IsEmpty() {
		return fmt.Errorf("This line doesn't end. %#v", source)
	}

	return nil
}
Пример #5
0
Файл: dc.go Проект: mm0205/gcasl
// Parse parses a line.
func (dc *DC) Parse(source *token.Source) error {
	dc.Label.Parse(source)

	err := dc.Opcode.Parse(source)
	if err != nil {
		return err
	}
	for {
		constant := token.NewConstant()
		err = constant.Parse(source)
		if err != nil {
			if 0 < len(dc.Operands) {
				break
			}
			return fmt.Errorf("This line is invalid DC, %#v", source)
		}
		dc.Operands = append(dc.Operands, constant)
		err = token.NewComma().Parse(source)
		if err == nil {
			continue
		}
		break
	}

	dc.Comment.Parse(source)
	if !IsDCOpcode(dc.Opcode.TextValue()) {
		return fmt.Errorf("This line can't accept dc %#v", source)
	}
	if !source.IsEmpty() {
		return fmt.Errorf("This line doesn't end. %#v", source)
	}
	return nil
}
Пример #6
0
func TestRegisterParse(t *testing.T) {
	testCaseList := []testCaseForTestRegisterParse{
		{data: `							LD      GR0, DATA1`},
		{data: `							LD      GR0, 65535`},
		{data: `							LD      GR0, #ABCD`},
		{data: `							LD      GR0, =12345`},
		{data: `							LD      GR0, =#1FE0`},
		{data: `							LD      GR0, ='string'`},
		{data: `							LD      GR0, ='''is esacped quote'`},
	}
	for _, testCase := range testCaseList {
		testData := testCase.data

		source := token.NewSource(testData)
		opcode := token.NewOpcode()
		err := opcode.Parse(source)
		if err != nil {
			t.Error(err)
		}

		register := token.NewRegister()
		err = register.Parse(source)
		if err != nil {
			t.Error(err)
		}

		comma := token.NewComma()
		err = comma.Parse(source)
		if err != nil {
			t.Error(err)
		}
		address := token.NewAddress()
		err = address.Parse(source)
		if err != nil {
			t.Error(err)
		}
	}
}