|
|
|
@ -53,10 +53,10 @@
|
|
|
|
|
|
|
|
|
|
(define-lex-abbrevs
|
|
|
|
|
[any (- #\000 #\377)]
|
|
|
|
|
[letter (: (- a z) (- A Z))]
|
|
|
|
|
[letter (: (- a z) (- #\A #\Z))]
|
|
|
|
|
[digit (- #\0 #\9)]
|
|
|
|
|
[whitespace (: #\newline #\return #\tab #\space #\vtab)]
|
|
|
|
|
[initial (: (letter) ! $ % & * / : < = > ? ^ _ ~)]
|
|
|
|
|
[initial (: (letter) ! $ % & * / : < = > ? ^ _ ~ @)]
|
|
|
|
|
[subsequent (: (initial) (digit) + - #\. @)]
|
|
|
|
|
[comment (@ #\; (* (^ #\newline)) #\newline)]
|
|
|
|
|
|
|
|
|
@ -191,8 +191,8 @@
|
|
|
|
|
#f
|
|
|
|
|
value
|
|
|
|
|
(list source
|
|
|
|
|
(position-line start-pos)
|
|
|
|
|
(position-col start-pos)
|
|
|
|
|
(add1 (position-line start-pos))
|
|
|
|
|
(add1 (position-col start-pos))
|
|
|
|
|
(position-offset start-pos)
|
|
|
|
|
(- (position-offset end-pos)
|
|
|
|
|
(position-offset start-pos)))
|
|
|
|
@ -233,12 +233,13 @@
|
|
|
|
|
[(sexp-list sexp) (cons $2 $1)]))))
|
|
|
|
|
|
|
|
|
|
(define (rs sn ip off)
|
|
|
|
|
((scheme-parser sn) (lambda () (scheme-lexer ip)))))
|
|
|
|
|
(port-count-lines! ip)
|
|
|
|
|
((scheme-parser sn) (lambda () (scheme-lexer ip))))
|
|
|
|
|
|
|
|
|
|
(define readsyntax
|
|
|
|
|
(case-lambda ((sn) (rs sn (current-input-port) (list 0 0 0)))
|
|
|
|
|
((sn ip) (rs sn ip (list 0 0 0)))
|
|
|
|
|
((sn ip off) (rs sn ip off))))
|
|
|
|
|
((sn ip off) (rs sn ip off))))
|
|
|
|
|
|
|
|
|
|
(provide (rename readsyntax read-syntax))
|
|
|
|
|
|
|
|
|
|