o ÓmÆi´ã@sbdZddlmZmZdefdd„Zdedeefdd „Zeeed fZd eedefd d „ZdS)zãParse a Scheme expression as a nested list The main function of this module is lispy.parse, other ones should be considered private. This module is a dependency of the festival backend. From http://www.norvig.com/lispy.html é)ÚListÚUnionÚprogramcCs tt|ƒƒS)zäRead a Scheme expression from a string Return a nested list Raises an IndexError if the expression is not valid scheme (unbalanced parenthesis). >>> parse('(+ 2 (* 5 2))') ['+', '2', ['*', '5', '2']] )Ú_read_from_tokensÚ _tokenize)r©rú[/home/kim/smarthome/.venv/lib/python3.10/site-packages/phonemizer/backend/festival/lispy.pyÚparses r ÚcharsÚreturncCs| dd¡ dd¡ ¡S)z5Convert a string of characters into a list of tokens.ú(z ( ú)z ) )ÚreplaceÚsplit)r rrrr*srÚExprÚtokenscCsrt|ƒdkr tdƒ‚| d¡}|dkr/g}|ddkr(| t|ƒ¡|ddks| d¡|S|dkr7tdƒ‚|S)z,Read an expression from a sequence of tokensrzunexpected EOF while readingr r z unexpected ))ÚlenÚ SyntaxErrorÚpopÚappendr)rÚtokenÚexprrrrr2s    ÿ rN) Ú__doc__ÚtypingrrÚstrr rrrrrrrÚs