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;;; test-lr-basics-05.scm --
;;
;;A grammar accepting a sequence of equal tokens of arbitrary length.
;;The return value is the list of values.
;;
(load "common-test.scm")
(define (doit . tokens)
(let ((parser (lalr-parser (expect: 0)
(driver: glr)
(A)
(e (e A) : (cons $2 $1)
(A) : (list $1)
() : (list 0)))))
(parser (make-lexer tokens) error-handler)))
(check
(doit)
=> '((0)))
(check
(doit (make-lexical-token 'A #f 1))
=> '((1 0)
(1)))
(check
(doit (make-lexical-token 'A #f 1)
(make-lexical-token 'A #f 2))
=> '((2 1 0)
(2 1)))
(check
(doit (make-lexical-token 'A #f 1)
(make-lexical-token 'A #f 2)
(make-lexical-token 'A #f 3))
=> '((3 2 1 0)
(3 2 1)))
;;; end of file
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