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- ;;; test-lr-basics-04.scm --
- ;;
- ;;A grammar accepting a sequence of equal tokens of arbitrary length.
- ;;The return value is the value of the last parsed token.
- (load "common-test.scm")
- (define (doit . tokens)
- (let ((parser (lalr-parser (expect: 0)
- (A)
- (e (e A) : $2
- (A) : $1
- () : 0))))
- (parser (make-lexer tokens) error-handler)))
- (check
- (doit)
- => 0)
- (check
- (doit (make-lexical-token 'A #f 1))
- => 1)
- (check
- (doit (make-lexical-token 'A #f 1)
- (make-lexical-token 'A #f 2)
- (make-lexical-token 'A #f 3))
- => 3)
- ;;; end of file
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