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Python Tokenizer.peekNextToken方法代码示例

本文整理汇总了Python中tokenizer.Tokenizer.peekNextToken方法的典型用法代码示例。如果您正苦于以下问题:Python Tokenizer.peekNextToken方法的具体用法?Python Tokenizer.peekNextToken怎么用?Python Tokenizer.peekNextToken使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在tokenizer.Tokenizer的用法示例。


在下文中一共展示了Tokenizer.peekNextToken方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: TestTokeniser

# 需要导入模块: from tokenizer import Tokenizer [as 别名]
# 或者: from tokenizer.Tokenizer import peekNextToken [as 别名]
class TestTokeniser(TestCase):
    def setUp(self):
        self.tokenizer = Tokenizer()

    def test_number(self):
        self.tokenizer.parse('100')
        token = self.tokenizer.getNextToken()

        self.assertEqual(token.NUMBER, token.type)
        self.assertEqual(100, token.value)

    def test_string(self):
        self.tokenizer.parse('"ABC"')
        token = self.tokenizer.getNextToken()

        self.assertEqual(token.STRING, token.type)
        self.assertEqual('ABC', token.value)

    def test_peek_token(self):
        self.tokenizer.parse('1+2')

        token = self.tokenizer.getNextToken()
        self.assertEqual(token.NUMBER, token.type)
        self.assertEqual(1, token.value)

        token = self.tokenizer.getNextToken()
        self.assertEqual(token.OPERATOR, token.type)
        self.assertEqual('+', token.value)

        token = self.tokenizer.peekNextToken()
        self.assertEqual(token.NUMBER, token.type)
        self.assertEqual(2, token.value)

        token = self.tokenizer.getNextToken()
        self.assertEqual(token.NUMBER, token.type)
        self.assertEqual(2, token.value)


    def test_operator(self):
        self.tokenizer.parse('1+2-4')

        token = self.tokenizer.getNextToken()
        self.assertEqual(token.NUMBER, token.type)
        self.assertEqual(1, token.value)

        token = self.tokenizer.getNextToken()
        self.assertEqual(token.OPERATOR, token.type)
        self.assertEqual('+', token.value)

        token = self.tokenizer.getNextToken()
        self.assertEqual(token.NUMBER, token.type)
        self.assertEqual(2, token.value)

        token = self.tokenizer.getNextToken()
        self.assertEqual(token.OPERATOR, token.type)
        self.assertEqual('-', token.value)

        token = self.tokenizer.getNextToken()
        self.assertEqual(token.NUMBER, token.type)
        self.assertEqual(4, token.value)

    def test_operator2(self):
        self.tokenizer.parse('"A"+"B"')

        token = self.tokenizer.getNextToken()
        self.assertEqual(token.STRING, token.type)
        self.assertEqual('A', token.value)

        token = self.tokenizer.getNextToken()
        self.assertEqual(token.OPERATOR, token.type)
        self.assertEqual('+', token.value)

        token = self.tokenizer.getNextToken()
        self.assertEqual(token.STRING, token.type)
        self.assertEqual('B', token.value)

    def test_mult_operator(self):
        self.tokenizer.parse('2*3')

        token = self.tokenizer.getNextToken()
        self.assertEqual(token.NUMBER, token.type)
        self.assertEqual(2, token.value)

        token = self.tokenizer.getNextToken()
        self.assertEqual(token.MULTOPERATOR, token.type)
        self.assertEqual('*', token.value)

        token = self.tokenizer.getNextToken()
        self.assertEqual(token.NUMBER, token.type)
        self.assertEqual(3, token.value)


    def test_mult_operator2(self):
        self.tokenizer.parse('2/3')

        token = self.tokenizer.getNextToken()
        self.assertEqual(token.NUMBER, token.type)
        self.assertEqual(2, token.value)

        token = self.tokenizer.getNextToken()
#.........这里部分代码省略.........
开发者ID:tonyedgecombe,项目名称:pytinybasic,代码行数:103,代码来源:test_tokenizer.py


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