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Merge pull request #768 from ashinn/syntax-rules-parser

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Parse syntax-rules more strictly
This commit is contained in:
Alex Shinn 2021-08-04 00:11:58 +09:00 • committed by GitHub
commit f1b8a5bce9
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2 changed files with 7 additions and 4 deletions
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6
lib/init-7.scm
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@ -1105,7 +1105,11 @@
_or
(append
(map
(lambda (clause) (expand-pattern (car clause) (cadr clause)))
(lambda (clause)
(if (and (list? clause) (= (length clause) 2))
(expand-pattern (car clause) (cadr clause))
(error "invalid syntax-rules clause, which must be of the form (pattern template) (note fenders are not supported)"
clause)))
forms)
(list
(list _cons

5
tools/chibi-ffi
View file

@ -195,8 +195,7 @@
(syntax-rules ()
((define-c-int-type type)
(if (not (memq 'type *c-int-types*))
(set! *c-int-types* (cons 'type *c-int-types*)))
#f)))
(set! *c-int-types* (cons 'type *c-int-types*))))))
(define-syntax define-c-enum
;; TODO: support conversion to/from symbolic names
@ -640,7 +639,7 @@
(let ((e (x->string errno)))
(string-append " case " e ": return \"" e "\";\n")))
errnos)
" }
snprintf(buf, 64, \"unknown error: %d\", err);
return buf;