Compiler Design Book Of Aa Puntambekar Pdf 71 2021

# Example usage lexer = Lexer('2 + 3') token = lexer.get_next_token()

def advance(self): self.pos += 1 if self.pos > len(self.text) - 1: self.current_char = None else: self.current_char = self.text[self.pos] compiler design book of aa puntambekar pdf 71 2021

def __repr__(self): return f'Token({self.type}, {self.value})' # Example usage lexer = Lexer('2 + 3') token = lexer

return Token(EOF, None)

self.error()

Hope this helps!

def integer(self): result = '' while self.current_char is not None and self.current_char.isdigit(): result += self.current_char self.advance() return int(result) {self.value})' return Token(EOF