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Mangle js identifiers

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This commit is contained in:
Ian Price 2015-06-08 00:17:22 +01:00
parent a4003003e2
commit 41023d5b4c
1 changed files with 35 additions and 2 deletions
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37
module/language/js-il/compile-javascript.scm
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@ -14,8 +14,41 @@
(define (name->id name)
(make-id (rename name)))
(define (rename name)
(format #f "kont_~a" name))
(define (rename id)
(cond ((and (integer? id) (>= id 0))
(format #f "k_~a " id))
((symbol? id)
(js-id (symbol->string id)))
((string? id)
(js-id id))
(else
(throw 'bad-id id))))
(define (js-id name)
(call-with-output-string
(lambda (port)
(display "k_" port)
(string-for-each
(lambda (c)
(if (or (and (char<=? #\a c) (char<=? c #\z))
(and (char<=? #\A c) (char<=? c #\Z))
(and (char<=? #\0 c) (char<=? c #\9)))
(display c port)
(case c
((#\-) (display "_h" port))
((#\_) (display "_u" port))
((#\?) (display "_p" port))
((#\!) (display "_x" port))
((#\<) (display "_l" port))
((#\>) (display "_g" port))
((#\=) (display "_e" port))
((#\*) (display "_s" port))
((#\+) (display "_a" port))
((#\\) (display "_b" port))
((#\/) (display "_f" port))
(else
(throw 'bad-id-char c)))))
name))))
(define (bind-rest-args rest num-drop)
(define (ref i l)