def addParseAction( self, *fns, **kwargs ):
self.parseAction += list(map(_trim_arity, list(fns)))<EOL>self.callDuringTry = self.callDuringTry or ("<STR_LIT>" in kwargs and kwargs["<STR_LIT>"])<EOL>return self<EOL>
Add parse action to expression's list of parse actions. See L{I{setParseAction}<setParseAction>}.