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Adding include-library-declarations support.

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Alex Shinn 2014-07-22 21:50:04 +09:00
parent 8bc0a3b454
commit e7d199ef03
1 changed files with 40 additions and 1 deletions
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41
lib/meta-7.scm
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@ -6,6 +6,7 @@
;; modules ;; modules
(define *this-module* '()) (define *this-module* '())
(define *this-path* '())
(define (make-module exports env meta) (vector exports env meta #f)) (define (make-module exports env meta) (vector exports env meta #f))
(define (%module-exports mod) (vector-ref mod 0)) (define (%module-exports mod) (vector-ref mod 0))
@ -265,6 +266,10 @@
(warn "suspicious use of define in library declarations - did you forget to wrap it in begin?" x))) (warn "suspicious use of define in library declarations - did you forget to wrap it in begin?" x)))
(cdr expr)) (cdr expr))
;; Generate the library wrapper. ;; Generate the library wrapper.
(set! *this-path*
(cons (string-concatenate
(module-name->strings (reverse (cdr (reverse name))) '()))
*this-path*))
`(,_let ((,tmp ,this-module)) `(,_let ((,tmp ,this-module))
(,_define (rewrite-export x) (,_define (rewrite-export x)
(,_if (,_pair? x) (,_if (,_pair? x)
@ -296,11 +301,45 @@
(,_make-module (extract-exports) (,_make-module (extract-exports)
#f #f
(,_reverse ,this-module))) (,_reverse ,this-module)))
(,_set! ,this-module ,tmp)))))) (,_set! ,this-module ,tmp)
(,(rename 'pop-this-path)))))))
(define-syntax define-library define-library-transformer) (define-syntax define-library define-library-transformer)
(define-syntax module define-library-transformer) (define-syntax module define-library-transformer)
(define-syntax pop-this-path
(er-macro-transformer
(lambda (expr rename compare)
(if (pair? *this-path*)
(set! *this-path* (cdr *this-path*)))
#f)))
(define-syntax include-library-declarations
(er-macro-transformer
(lambda (expr rename compare)
(let lp1 ((ls (cdr expr)) (res '()))
(cond
((pair? ls)
(let* ((file (car ls))
(rel-path (if (pair? *this-path*)
(string-append (car *this-path*) "/" file)
file)))
(cond
((find-module-file rel-path)
=> (lambda (path)
(call-with-input-file path
(lambda (in)
(let lp2 ((res res))
(let ((x (read in)))
(if (eof-object? x)
(lp1 (cdr ls) res)
(lp2 (cons x res)))))))))
(else
(error "couldn't find include-library-declarations file" file)))))
(else
`(,(rename 'meta-begin)
,@(reverse res))))))))
(define-syntax define-meta-primitive (define-syntax define-meta-primitive
(er-macro-transformer (er-macro-transformer
(lambda (expr rename compare) (lambda (expr rename compare)