Compiler Design Book Of Aa Puntambekar Pdf 71 2021 «PC»

import re

if self.current_char.isspace(): self.skip_whitespace() continue compiler design book of aa puntambekar pdf 71 2021

# Example usage lexer = Lexer('2 + 3') token = lexer.get_next_token() import re if self

def skip_whitespace(self): while self.current_char is not None and self.current_char.isspace(): self.advance() compiler design book of aa puntambekar pdf 71 2021

if self.current_char == '+': self.advance() return Token(PLUS, '+')

self.error()

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]