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Supporting literate docs inside nested forms, currently only define-library and begin.

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This commit is contained in:
Alex Shinn 2014-07-27 16:15:48 +09:00
parent 4fa1eacaa6
commit 4e52ffc411
1 changed files with 110 additions and 58 deletions
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92
lib/chibi/doc.scm
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@ -441,6 +441,22 @@ div#footer {padding-bottom: 50px}
(else
(list opts)))))))))))))
(define (get-procedure-signature proc)
(cond ((and (procedure? proc) (procedure-signature proc)) => list)
(else '())))
(define (get-value-signature proc name value)
(match value
(('(or let let* letrec letrec*) vars body0 ... body)
(get-value-signature proc name body))
(('lambda args . body) (list (cons name (get-optionals args body))))
((('lambda args body0 ... body) vals ...)
(get-value-signature proc name body))
(('begin body0 ... body) (get-value-signature proc name body))
(else (get-procedure-signature proc))))
;; TODO: analyze and match on AST instead of making assumptions about
;; bindings
(define (get-signature proc source form)
(match form
(('define (name args ...) . body)
@ -448,15 +464,13 @@ div#footer {padding-bottom: 50px}
(('define (name . args) . body)
(list (cons name (get-optionals args body))))
(('define name value)
(list name))
(get-value-signature proc name value))
(('define-syntax name ('syntax-rules () (clause . body) ...))
;; TODO: smarter summary
;; TODO: smarter summary merging forms
(map (lambda (x) (cons name (cdr x)))
(filter external-clause? clause)))
((procedure? proc)
(cond ((procedure-signature proc) => list) (else '())))
(else
'())))
(get-procedure-signature proc))))
(define (get-ffi-signatures form)
(match form
@ -603,6 +617,20 @@ div#footer {padding-bottom: 50px}
(pair? (cdr source))
(equal? file (cadr source))
(cddr source)))))
(define (read-to-paren in)
(let lp1 ((res '()))
(let ((ch (peek-char in)))
(cond
((or (eof-object? ch) (eqv? #\) ch)) (read-char in) (reverse res))
((char-whitespace? ch) (read-char in) (lp1 res))
((eq? ch #\;)
(let lp2 ()
(let ((ch2 (read-char in)))
(if (or (eof-object? ch2) (eqv? #\newline ch2))
(lp1 res)
(lp2)))))
;; TODO: support #; and #| comments at end of list
(else (lp1 (cons (read in) res)))))))
(call-with-input-file file
(lambda (in)
(let* ((lang (or (and (pair? o) (car o)) 'scheme))
@ -614,7 +642,12 @@ div#footer {padding-bottom: 50px}
;; (name value line)
`(,(car x) ,(cadr x) ,line))))
all-defs)))
(let lp ((lines '()) (cur '()) (res '()) (ids '()) (last-line 0))
(let lp ((lines '())
(cur '())
(res '())
(ids '())
(depth 0)
(last-line 0))
(define (collect)
(if (pair? lines)
(append
@ -639,7 +672,7 @@ div#footer {padding-bottom: 50px}
(append (collect) res))
((eqv? #\newline (peek-char in))
(read-char in)
(lp lines cur res ids last-line))
(lp lines cur res ids depth last-line))
((eqv? #\; (peek-char in))
(read-char in)
(cond
@ -647,7 +680,7 @@ div#footer {padding-bottom: 50px}
(begin (read-char in) (eqv? #\> (peek-char in))))
(read-char in)
(if (eqv? #\space (peek-char in)) (read-char in))
(lp (cons (read-line in) lines) cur res ids last-line))
(lp (cons (read-line in) lines) cur res ids depth last-line))
(else
(let lp ()
(cond ((eqv? #\; (peek-char in))
@ -658,12 +691,29 @@ div#footer {padding-bottom: 50px}
(ids (append (get-ids cur) ids)))
;; ";;/" attaches the docs to the preceding form
(if (equal? line "/")
(lp '() '() (append cur res) ids last-line)
(lp '() cur res ids last-line))))))
(lp '() '() (append cur res) ids depth last-line)
(lp '() cur res ids depth last-line))))))
((eqv? #\) (peek-char in))
(read-char in)
(if (zero? depth)
(error "unexpected ) at line" last-line)
(lp lines cur res ids (- depth 1) last-line)))
((not (eqv? #\( (peek-char in)))
;; ignore non-list top-level expression
(read in)
(lp lines cur res ids depth (port-line in)))
(else ;; found a top-level expression
(read-char in)
(let ((op (read in)))
(case op
((begin define-library)
;; allowed nested docs in these forms
(lp lines cur res ids (+ depth 1) (port-line in)))
(else
;; read until closing paren
(let* ((cur (collect))
(ids (append (get-ids cur) ids))
(form (read in))
(form (cons op (read-to-paren in)))
(line (port-line in))
;; find all procedures defined by form
(procs (filter (lambda (x) (<= last-line (third x) line))
@ -685,30 +735,32 @@ div#footer {padding-bottom: 50px}
((and strict?
(or (not (pair? sigs)) (not (assq (caar sigs) defs))))
;; drop unrelated docs in strict mode
(lp '() '() res ids line))
(lp '() '() res ids depth line))
((and (eq? lang 'ffi) (pair? sigs))
(lp '() '() (append (insert-signature cur #f sigs) res)
ids line))
ids depth line))
((and (eq? lang 'scheme) (= 1 (length procs)))
(lp '() '() (append (insert-signature cur (caar procs) sigs)
res)
ids line))
(lp '() '()
(append (insert-signature cur (caar procs) sigs) res)
ids depth line))
((and (null? procs)
(let ((id (match form
(('define (name . x) . y) name)
(((or 'define 'define-syntax) name . x) name)
(((or 'define 'define-syntax) name . x)
name)
(((or 'define-c 'define-c-const)
t (name . x) . y)
name)
(((or 'define-c 'define-c-const) t name . x)
(((or 'define-c 'define-c-const)
t name . x)
name)
(else #f))))
(and (not (memq id ids))
(assq id all-defs))))
(lp '() '() (append (insert-signature cur #f sigs) res)
ids line))
ids depth line))
(else
(lp '() '() (append cur res) ids line)))))))))))
(lp '() '() (append cur res) ids depth line))))))))))))))
;; utility to get the source position of an object
(define (object-source x)