diff options
| -rw-r--r-- | elisp/geiser-plt.el | 1 | ||||
| -rw-r--r-- | scheme/plt/geiser.ss | 4 | ||||
| -rw-r--r-- | scheme/plt/geiser/autodoc.ss | 160 | ||||
| -rw-r--r-- | scheme/plt/geiser/eval.ss | 4 | ||||
| -rw-r--r-- | scheme/plt/geiser/locations.ss | 7 | ||||
| -rw-r--r-- | scheme/plt/geiser/utils.ss | 43 | 
6 files changed, 198 insertions, 21 deletions
| diff --git a/elisp/geiser-plt.el b/elisp/geiser-plt.el index 6526ae6..b93dc1d 100644 --- a/elisp/geiser-plt.el +++ b/elisp/geiser-plt.el @@ -138,6 +138,7 @@ This function uses `geiser-plt-init-file' if it exists."   (let+ 1)   (let-values 1)   (let/ec 1) + (match defun)   (mixin 2)   (module defun)   (opt-lambda 1) diff --git a/scheme/plt/geiser.ss b/scheme/plt/geiser.ss index bbb083d..767b13b 100644 --- a/scheme/plt/geiser.ss +++ b/scheme/plt/geiser.ss @@ -36,13 +36,13 @@             geiser/make-repl-reader)    (compile-enforce-module-constants #f) -  (require geiser/eval geiser/completions geiser/locations) +  (require geiser/eval geiser/completions geiser/locations geiser/autodoc)    (define geiser/eval eval-in)    (define geiser/compile compile-in)    (define geiser/load-file load-file)    (define geiser/compile-file compile-file) -  (define (geiser/autodoc . x) #f) +  (define geiser/autodoc autodoc)    (define geiser/completions completions)    (define geiser/symbol-location symbol-location)    (define geiser/macroexpand macroexpand) diff --git a/scheme/plt/geiser/autodoc.ss b/scheme/plt/geiser/autodoc.ss new file mode 100644 index 0000000..bcd1218 --- /dev/null +++ b/scheme/plt/geiser/autodoc.ss @@ -0,0 +1,160 @@ +;; autodoc.ss -- support for autodoc + +;; Copyright (C) 2009 Jose Antonio Ortega Ruiz + +;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org> +;; Start date: Sun May 03, 2009 14:45 + +;; This file is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation; either version 3 of the License, or +;; (at your option) any later version. + +;; This file is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with this program.  If not, see <http://www.gnu.org/licenses/>. + +;;; Code: + +#lang scheme + +(provide autodoc update-module-cache) + +(require geiser/utils geiser/locations) + +(define (autodoc form) +  (cond ((null? form) #f) +        ((symbol? form) (describe-application (list form))) +        ((not (pair? form)) #f) +        ((not (list? form)) (autodoc (pair->list form))) +        ((define-head? form) => autodoc) +        (else (autodoc/list form)))) + +(define (autodoc/list form) +  (let ((lst (last form))) +    (cond ((and (symbol? lst) (describe-application (list lst)))) +          ((and (pair? lst) (not (memq (car lst) '(quote))) (autodoc lst))) +          (else (describe-application form))))) + +(define (define-head? form) +  (define defforms '(-define +                     define define-values +                     define-method define-class define-generic define-struct +                     define-syntax define-syntaxes -define-syntax)) +  (and (= 2 (length form)) +       (memq (car form) defforms) +       (car form))) + +(define (describe-application form) +  (let* ((fun (car form)) +         (loc (symbol-location* fun)) +         (name (car loc)) +         (path (cdr loc)) +         (sgn (and path (signature path name fun)))) +    (and sgn +         (list (cons 'signature (cons fun sgn)) +               (cons 'position 0) +               (cons 'module (module-path-name->name path)))))) + +(define signatures (make-hash)) + +(define (signature path name local-name) +  (let ((path (if (path? path) (path->string path) path))) +    (hash-ref! (hash-ref! signatures +                          path +                          (lambda () (parse-signatures path))) +               name +               (lambda () (infer-signature local-name))))) + +(define (parse-signatures path) +  (let ((result (make-hasheq))) +    (with-handlers ((exn? (lambda (e) result))) +      (with-input-from-file path +        (lambda () +          (parameterize ((read-accept-reader #t)) +            (let loop ((stx (read-syntax path))) +              (cond ((eof-object? stx) void) +                    ((syntax->datum stx) => +                     (lambda (datum) +                       (parse-datum! datum result) +                       (loop (read-syntax path)))) +                    (else void))))))) +    result)) + +(define (parse-datum! datum store) +  (match datum +    ((list 'module name lang forms ...) +     (for-each (lambda (f) (parse-datum! f store)) forms)) +    ((list 'define (list name formals ...) body ...) +     (add-signature! name formals store)) +    ((list 'define name (list 'lambda formals body ...)) +     (add-signature! name formals store)) +    (_ void))) + +(define (add-signature! name formals store) +  (hash-set! store name (parse-formals formals))) + +(define (parse-formals formals) +  (let loop ((formals formals) (req '()) (opt '()) (keys '())) +    (cond ((null? formals) (make-signature req opt keys #f)) +          ((symbol? formals) (make-signature req opt keys formals)) +          ((pair? (car formals)) (loop (cdr formals) +                                       req +                                       (cons (car formals) opt) +                                       keys)) +          ((keyword? (car formals)) (let* ((kname (keyword->symbol (car formals))) +                                           (arg-id (cadr formals)) +                                           (name (if (pair? arg-id) +                                                     (list kname (cadr arg-id)) +                                                     kname))) +                                      (loop (cddr formals) +                                            req +                                            opt +                                            (cons name keys)))) +          (else (loop (cdr formals) (cons (car formals) req) opt keys))))) + +(define (make-signature req opt keys rest) +  `(,@(reverse req) +    ,@(if (null? opt) opt +          (cons '#:opt (reverse opt))) +    ,@(if (null? keys) keys +          (cons '#:key (reverse keys))) +    ,@(if rest (list '#:rest rest) '()))) + +(define (update-module-cache path . form) +  (when (and (string? path) +             (or (null? form) +                 (and (list? (car form)) +                      (not (null? (car form))) +                      (memq (caar form) '(define))))) +    (hash-remove! signatures path))) + +(define (infer-signature name) +  (let ((value (namespace-variable-value name (lambda () #f)))) +    (and (procedure? value) +         (arity->signature (procedure-arity value))))) + +(define (arity->signature arity) +  (cond ((number? arity) +         (make-signature (gen-arg-names 1 arity) '() '() #f)) +        ((arity-at-least? arity) +         (make-signature (gen-arg-names 1 (arity-at-least-value arity)) +                         '() '() 'rest)) +        (else +         (let ((arg (map (lambda (a) +                           (if (number? a) a (list (arity-at-least-value a) '...))) +                         arity))) +           (make-signature (list arg) '() '() #f))))) + +(define (gen-arg-names fst count) +  (let* ((letts (list->vector '(#\x #\y #\z #\u #\v #\w #\t))) +         (len (vector-length letts)) +         (lett (lambda (n) (vector-ref letts (modulo n len))))) +    (reverse (map (lambda (n) (string->symbol (format "~a" (lett (- n 1))))) +                  (build-list (max count 1) (lambda (n) (+ n fst))))))) + +;;; autodoc.ss ends here diff --git a/scheme/plt/geiser/eval.ss b/scheme/plt/geiser/eval.ss index 9c6534e..694802a 100644 --- a/scheme/plt/geiser/eval.ss +++ b/scheme/plt/geiser/eval.ss @@ -33,7 +33,7 @@           macroexpand           make-repl-reader) -(require scheme/enter geiser/utils) +(require scheme/enter geiser/utils geiser/autodoc)  (define last-result (void))  (define nowhere (open-output-nowhere)) @@ -85,6 +85,7 @@  (define (eval-in form spec)    (set-last-result (void))    (with-handlers ((exn? set-last-error)) +    (update-module-cache spec form)      (call-with-values          (lambda () (eval form (ensure-namespace spec)))        set-last-result)) @@ -95,6 +96,7 @@  (define (load-file file)    (with-handlers ((exn? set-last-error))      (let ((current-path (namespace->module-path-name (last-namespace)))) +      (update-module-cache file)        (set-last-result         (string-append (with-output-to-string                          (lambda () diff --git a/scheme/plt/geiser/locations.ss b/scheme/plt/geiser/locations.ss index b738a48..d1c5cb7 100644 --- a/scheme/plt/geiser/locations.ss +++ b/scheme/plt/geiser/locations.ss @@ -27,12 +27,13 @@  #lang scheme  (provide symbol-location +         symbol-location*           symbol-module-name           symbol-module-path-name)  (require geiser/utils) -(define (%symbol-location sym) +(define (symbol-location* sym)    (let* ((id (namespace-symbol->identifier sym))           (binding (and id (identifier-binding id))))      (if (list? binding) @@ -43,13 +44,13 @@          (cons sym #f))))  (define (symbol-location sym) -  (let* ((loc (%symbol-location sym)) +  (let* ((loc (symbol-location* sym))           (name (car loc))           (path (cdr loc)))      (list (cons 'name name)            (cons 'file (if (path? path) (path->string path) '()))))) -(define symbol-module-path-name (compose cdr %symbol-location)) +(define symbol-module-path-name (compose cdr symbol-location*))  (define symbol-module-name    (compose module-path-name->name symbol-module-path-name)) diff --git a/scheme/plt/geiser/utils.ss b/scheme/plt/geiser/utils.ss index 9a774df..258a55d 100644 --- a/scheme/plt/geiser/utils.ss +++ b/scheme/plt/geiser/utils.ss @@ -26,24 +26,37 @@  #lang scheme -(provide module-path-name->name) +(provide module-path-name->name +         pair->list +         keyword->symbol)  (require srfi/13)  (define (module-path-name->name path) -  (if (path? path) -      (let* ((path (path->string path)) -             (cpaths (map path->string (current-library-collection-paths))) -             (prefix-len (lambda (p) -                           (let ((pl (string-length p))) -                             (if (= pl (string-prefix-length p path)) pl 0)))) -             (lens (map prefix-len cpaths)) -             (real-path (substring path (apply max lens)))) -        (if (absolute-path? real-path) -            (call-with-values (lambda () (split-path path)) -              (lambda (_ basename __) basename)) -            (regexp-replace "\\.[^./]*$" real-path ""))) -      "<top>")) - +  (cond ((path? path) +         (let* ((path (path->string path)) +                (cpaths (map (compose path->string path->directory-path) +                             (current-library-collection-paths))) +                (prefix-len (lambda (p) +                              (let ((pl (string-length p))) +                                (if (= pl (string-prefix-length p path)) pl 0)))) +                (lens (map prefix-len cpaths)) +                (real-path (substring path (apply max lens)))) +           (if (absolute-path? real-path) +               (call-with-values (lambda () (split-path path)) +                 (lambda (_ basename __) (path->string basename))) +               (regexp-replace "\\.[^./]*$" real-path "")))) +        ((eq? path '#%kernel) "(kernel)") +        ((string? path) path) +        ((symbol? path) (symbol->string path)) +        (else "<top>"))) + +(define (pair->list pair) +  (let loop ((d pair) (s '())) +    (cond ((null? d) (reverse s)) +          ((symbol? d) (reverse (cons d s))) +          (else (loop (cdr d) (cons (car d) s)))))) + +(define keyword->symbol (compose string->symbol keyword->string))  ;;; utils.ss ends here | 
