You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
2.5 KiB
Racket
77 lines
2.5 KiB
Racket
#lang racket/base
|
|
|
|
;; Make sure the old token type also works fine.
|
|
|
|
(require yaragg/examples/simple-line-drawing
|
|
yaragg/support
|
|
racket/list
|
|
yaragg-parser-tools/lex
|
|
(prefix-in : yaragg-parser-tools/lex-sre)
|
|
rackunit)
|
|
|
|
(define-tokens tokens (INTEGER STRING |;| EOF))
|
|
|
|
(define (make-tokenizer ip)
|
|
(port-count-lines! ip)
|
|
(define lex (lexer-src-pos
|
|
[(:+ numeric)
|
|
(token-INTEGER (string->number lexeme))]
|
|
[upper-case
|
|
(token-STRING lexeme)]
|
|
["b"
|
|
(token-STRING " ")]
|
|
[";"
|
|
(|token-;| lexeme)]
|
|
[whitespace
|
|
(return-without-pos (lex input-port))]
|
|
[(eof)
|
|
(token-EOF 'eof)]))
|
|
(lambda ()
|
|
(lex ip)))
|
|
|
|
|
|
|
|
(define the-parsed-object-stx
|
|
(parse (make-tokenizer (open-input-string #<<EOF
|
|
3 9 X;
|
|
6 3 b 3 X 3 b;
|
|
3 9 X;
|
|
EOF
|
|
))))
|
|
|
|
(check-true (syntax-original? the-parsed-object-stx))
|
|
;; Does the rule name "drawing" also have the proper "original?" property set?
|
|
(check-true (syntax-original? (first (syntax->list the-parsed-object-stx))))
|
|
|
|
(check-equal? (syntax->datum the-parsed-object-stx)
|
|
'(drawing (rows (repeat 3) (chunk 9 "X") ";")
|
|
(rows (repeat 6) (chunk 3 " ") (chunk 3 "X") (chunk 3 " ") ";")
|
|
(rows (repeat 3) (chunk 9 "X") ";")))
|
|
|
|
(define the-parsed-object (syntax->list the-parsed-object-stx))
|
|
|
|
(check-equal? (syntax-line the-parsed-object-stx) 1)
|
|
(check-equal? (syntax-column the-parsed-object-stx) 0)
|
|
(check-equal? (syntax-position the-parsed-object-stx) 1)
|
|
(check-equal? (syntax-span the-parsed-object-stx) 28)
|
|
|
|
(check-equal? (length the-parsed-object) 4)
|
|
|
|
(check-equal? (syntax->datum (second the-parsed-object))
|
|
'(rows (repeat 3) (chunk 9 "X") ";"))
|
|
(check-equal? (syntax-line (list-ref the-parsed-object 1)) 1)
|
|
|
|
(check-equal? (syntax->datum (third the-parsed-object))
|
|
'(rows (repeat 6) (chunk 3 " ") (chunk 3 "X") (chunk 3 " ") ";"))
|
|
(check-equal? (syntax-line (list-ref the-parsed-object 2)) 2)
|
|
|
|
(check-equal? (syntax->datum (fourth the-parsed-object))
|
|
'(rows (repeat 3) (chunk 9 "X") ";"))
|
|
(check-equal? (syntax-line (list-ref the-parsed-object 3)) 3)
|
|
|
|
;; FIXME: add tests to make sure location is as we expect.
|
|
;;
|
|
;; FIXME: handle the EOF issue better. Something in cfg-parser
|
|
;; appears to deviate from yaragg-parser-tools/yacc with regards to the stop
|
|
;; token.
|