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;;; common-test.scm --
;;;
;; Slightly modified for Guile by Ludovic Courtès <[email protected]>, 2010.
(use-modules (system base lalr)
(ice-9 pretty-print))
(define *error* '())
(define-syntax check
(syntax-rules (=>)
((_ ?expr => ?expected-result)
(check ?expr (=> equal?) ?expected-result))
((_ ?expr (=> ?equal) ?expected-result)
(let ((result ?expr)
(expected ?expected-result))
(set! *error* '())
(when (not (?equal result expected))
(display "Failed test: \n")
(pretty-print (quote ?expr))(newline)
(display "\tresult was: ")
(pretty-print result)(newline)
(display "\texpected: ")
(pretty-print expected)(newline)
(exit 1))))))
;;; --------------------------------------------------------------------
(define (display-result v)
(if v
(begin
(display "==> ")
(display v)
(newline))))
(define eoi-token
(make-lexical-token '*eoi* #f #f))
(define (make-lexer tokens)
(lambda ()
(if (null? tokens)
eoi-token
(let ((t (car tokens)))
(set! tokens (cdr tokens))
t))))
(define (error-handler message . args)
(set! *error* (cons `(error-handler ,message . ,(if (pair? args)
(lexical-token-category (car args))
'()))
*error*))
(cons message args))
;;; end of file
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