def get_identifier_or_keyword(self):
i = bar_count = 0
id = token_buffer = ""
token = Token(Token.ID)
if self.ch == '_':
self.Chario.put_error("illegal leading '_'")
while True:
self.ch = self.ch.upper()
i += 1
token_buffer += self.ch
if i <= MAX_KEY_SPELLING:
id += self.ch
if self.ch == '_':
self.ch = self.Chario.getChar()
if self.ch == '_':
bar_count += 1
if not self.ch.isalnum() and self.ch != '_':
self.Chario.put_error("letter or digit expected after '_'")
else:
self.ch = self.Chario.getChar()
if not self.ch.isalnum() and self.ch != '_':
break
if bar_count > 0:
self.Chario.put_error("letter or digit expected after '_'")
if i <= MAX_KEY_SPELLING:
token = self.find_token(self.keywords, id)
if token.code == Token.ERROR:
token.code = Token.ID
if token.code == Token.ID:
token.string = str(token_buffer)
