Ejemplo n.º 1
0
// Parse parser operands.
func (operands *RegisterAddressX) Parse(source string) (string, bool) {
	// R
	r := operand.NewRegister()
	remains, ok := r.Parse(source)
	if !ok {
		return source, false
	}

	// ,(Comma)
	remains, ok = share.NewComma().Parse(remains)
	if !ok {
		return source, false
	}

	// ADR
	adr := operand.NewAddress()
	remains, ok = adr.Parse(remains)
	if !ok {
		return source, false
	}
	// ,(Comma)
	remains, ok = share.NewComma().Parse(remains)
	if !ok {
		return source, false
	}
	// X
	x := operand.NewRegister()
	remains, ok = x.Parse(remains)
	if !ok {
		return source, false
	}
	operands.Operands = []operand.Operand{r, adr, x}
	return remains, true
}
Ejemplo n.º 2
0
// Parse parser operands.
func (operands *Register) Parse(source string) (string, bool) {
	// R
	r := operand.NewRegister()
	remains, ok := r.Parse(source)
	if !ok {
		return source, false
	}
	operands.Operands = []operand.Operand{r}
	return remains, true
}
Ejemplo n.º 3
0
// Parse parser operands.
func (operands *R1R2) Parse(source string) (string, bool) {
	// R1
	r1 := operand.NewRegister()
	remains, ok := r1.Parse(source)
	if !ok {
		return source, false
	}

	// ,(Comma)
	remains, ok = share.NewComma().Parse(remains)
	if !ok {
		return source, false
	}

	// R2
	r2 := operand.NewRegister()
	remains, ok = r2.Parse(remains)
	if !ok {
		return source, false
	}
	operands.Operands = []operand.Operand{r1, r2}
	return remains, true
}
Ejemplo n.º 4
0
func TestOperandRegisterParse(t *testing.T) {
	testCaseList := []testCaseForTestOperandRegisterParse{
		// This is a comment line.
		{
			data:                       "; This is a comment",
			expectedRemains:            "; This is a comment",
			expectedOK:                 false,
			expectedOperandSingleValue: "",
			expectedHasValue:           false,
		},
		// This is a OperandRegister and a OperandRegister.
		{
			data: "MAIN			START",
			expectedRemains: "MAIN			START",
			expectedOK:                 false,
			expectedOperandSingleValue: "",
			expectedHasValue:           false,
		},
		// A OperandRegister must be starts without any sapce.
		{
			data:                       "         OUT    BUF,LEN ",
			expectedRemains:            "         OUT    BUF,LEN ",
			expectedOK:                 false,
			expectedOperandSingleValue: "",
			expectedHasValue:           false,
		},
		{
			data:                       "GR0, DATA1",
			expectedRemains:            ", DATA1",
			expectedOK:                 true,
			expectedOperandSingleValue: "GR0",
			expectedHasValue:           true,
		},
		{
			data:                       "GR1",
			expectedRemains:            "",
			expectedOK:                 true,
			expectedOperandSingleValue: "GR1",
			expectedHasValue:           true,
		},
		{
			data:                       "GR1 ; this is comment",
			expectedRemains:            "; this is comment",
			expectedOK:                 true,
			expectedOperandSingleValue: "GR1",
			expectedHasValue:           true,
		},
	}
	for testIndex, testCase := range testCaseList {
		target := operand.NewRegister()
		testData := testCase.data
		expectedRemains := testCase.expectedRemains
		expectedOK := testCase.expectedOK
		expectedOperandSingleValue := testCase.expectedOperandSingleValue
		expectedHasValue := testCase.expectedHasValue

		actualRemains, actualOK := target.Parse(testData)
		if actualRemains != expectedRemains {
			t.Errorf("testCase[%d]=%#v, expected=%#v, actual=%#v\n", testIndex, testData, expectedRemains, actualRemains)
		}
		if actualOK != expectedOK {
			t.Errorf("testCase[%d]=%#v, expected=%#v, actual=%#v\n", testIndex, testData, expectedOK, actualOK)
		}
		actualOperandSingleValue := target.SingleValue
		if actualOperandSingleValue != expectedOperandSingleValue {
			t.Errorf("testCase[%d]=%#v, expected=%#v, actual=%#v\n", testIndex, testData, expectedOperandSingleValue, actualOperandSingleValue)
		}
		actualHasValue := target.HasValue
		if actualHasValue != expectedHasValue {
			t.Errorf("testCase[%d]=%#v, expected=%#v, actual=%#v\n", testIndex, testData, expectedHasValue, actualHasValue)
		}
	}

}