) defines a number of functions. The main function name is defined as the parsing function. For example:
(defparser my-parser .. grammar .. )
defines the function
my-parser lexer &optional symbol-to-string =>
lexer specifies the lexical analyzer function to be used. The optional argument symbol-to-string should be a function mapping grammar symbols to strings for printing purposes. The default value of symbol-to-string is the function
defparser also defines functions corresponding to the individual actions of the parser.
Normal actions are named:
and error actions are named:
where name here is the name as given to
defparser and index is the number of the rule or error rule in the grammar.
All function names are interned in the current package when
defparser is called.
LispWorks User Guide and Reference Manual - 20 Sep 2017