LP - analex

import ply.lex as lex
literals = [',', '=', '(', ')', '{', '}','<','>','+','-','*','/']
tokens = ['COMMENT','INT','INPUT','STR','PRINT','IF','ELSE','OR','AND',
          'NOT','GE','LE','EQ','NEQ','id','str','WHILE','TRUE','FALSE',
          'num']
def t_WHILE(t):
    r'while'
    return t

def t_TRUE(t):
    r'True'
    return t

def t_FALSE(t):
    r'False'
    return t

def t_IF(t):
    r'if'
    return t

def t_ELSE(t):
    r'else'
    return t

def t_OR(t):
    r'or'
    return t

def t_AND(t):
    r'and'
    return t

def t_NOT(t):
    r'not'
    return t

def t_GE(t):
    r'>='
    return t

def t_LE(t):
    r'<='
    return t

def t_EQ(t):
    r'=='
    return t

def t_NEQ(t):
    r'!='
    return t

def t_INT(t):
    r'int'
    return t

def t_INPUT(t):
    r'input'
    return t

def t_STR(t):
    r'str'
    return t

def t_PRINT(t):
    r'print'
    return t

def t_str(t):
    r'\"[^"]*\"'
    return t

def t_id(t):
    r'[_a-zA-Z]\w*'
    return t

def t_COMMENT(t):
    r'\#.*'

def t_num(t):
    r'\d+'
    return t

t_ignore = " \t\n"

def t_error(t):
    print('Caráter ilegal: ', t.value[0])
    t.lexer.skip(1)

lexer = lex.lex()