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+;;;; lisp.scm -- Lisp Family Fontification
+;;;;
+;;;; Copyright 2003, 2004 Erick Gallesio - I3S-CNRS/ESSI <eg@essi.fr>
+;;;; Copyright 2005, 2006 Ludovic Courtès <ludovic.courtes@laas.fr>
+;;;;
+;;;;
+;;;; This program 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 2 of the License, or
+;;;; (at your option) any later version.
+;;;;
+;;;; This program 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, write to the Free Software
+;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+;;;; USA.
+
+
+(define-module (skribilo coloring lisp)
+ :use-module (skribilo utils syntax)
+ :use-module (skribilo source)
+ :use-module (skribilo lib)
+ :use-module (skribilo utils strings)
+ :use-module (srfi srfi-39)
+ :use-module (ice-9 match)
+ :autoload (ice-9 regex) (make-regexp)
+ :autoload (skribilo reader) (make-reader)
+ :export (skribe scheme stklos bigloo lisp))
+
+
+(define *bracket-highlight* (make-parameter #t))
+(define *class-highlight* (make-parameter #t))
+(define *the-keys* (make-parameter '()))
+
+(define %lisp-keys #f)
+(define %scheme-keys #f)
+(define %skribe-keys #f)
+(define %stklos-keys #f)
+(define %lisp-keys #f)
+
+
+;;;
+;;; DEFINITION-SEARCH
+;;;
+(define (definition-search inp read tab def?)
+ (let Loop ((exp (read inp)))
+ (unless (eof-object? exp)
+ (if (def? exp)
+ (let ((start (and (pair? exp) (source-property exp 'line)))
+ (stop (port-line inp)))
+ (source-read-lines (port-filename inp) start stop tab))
+ (Loop (read inp))))))
+
+;; Load the SILex-generated lexer.
+(load-from-path "skribilo/coloring/lisp-lex.l.scm")
+
+(define (lisp-family-fontifier s)
+ (lexer-init 'port (open-input-string s))
+ (let loop ((token (lexer))
+ (res '()))
+ (if (eq? token 'eof)
+ (reverse! res)
+ (loop (lexer)
+ (cons token res)))))
+
+
+;;;; ======================================================================
+;;;;
+;;;; LISP
+;;;;
+;;;; ======================================================================
+(define (lisp-extractor iport def tab)
+ (definition-search
+ iport
+ read
+ tab
+ (lambda (exp)
+ (match exp
+ (((or 'defun 'defmacro) fun _ . _)
+ (and (eq? def fun) exp))
+ (('defvar var . _)
+ (and (eq? var def) exp))
+ (else #f)))))
+
+(define (init-lisp-keys)
+ (unless %lisp-keys
+ (set! %lisp-keys
+ (append ;; key
+ (map (lambda (x) (cons x '&source-keyword))
+ '(setq if let let* letrec cond case else progn lambda))
+ ;; define
+ (map (lambda (x) (cons x '&source-define))
+ '(defun defclass defmacro)))))
+ %lisp-keys)
+
+(define (lisp-fontifier s)
+ (parameterize ((*the-keys* (init-lisp-keys))
+ (*bracket-highlight* #f)
+ (*class-highlight* #f))
+ (lisp-family-fontifier s)))
+
+
+(define lisp
+ (new language
+ (name "lisp")
+ (fontifier lisp-fontifier)
+ (extractor lisp-extractor)))
+
+
+;;;; ======================================================================
+;;;;
+;;;; SCHEME
+;;;;
+;;;; ======================================================================
+(define (scheme-extractor iport def tab)
+ (definition-search
+ iport
+ %skribilo-module-reader
+ tab
+ (lambda (exp)
+ (match exp
+ (((or 'define 'define-macro) (fun . _) . _)
+ (and (eq? def fun) exp))
+ (('define (? symbol? var) . _)
+ (and (eq? var def) exp))
+ (else #f)))))
+
+
+(define (init-scheme-keys)
+ (unless %scheme-keys
+ (set! %scheme-keys
+ (append ;; key
+ (map (lambda (x) (cons x '&source-keyword))
+ '(set! if let let* letrec quote cond case else begin do lambda))
+ ;; define
+ (map (lambda (x) (cons x '&source-define))
+ '(define define-syntax)))))
+ %scheme-keys)
+
+
+(define (scheme-fontifier s)
+ (parameterize ((*the-keys* (init-scheme-keys))
+ (*bracket-highlight* #f)
+ (*class-highlight* #f))
+ (lisp-family-fontifier s)))
+
+
+(define scheme
+ (new language
+ (name "scheme")
+ (fontifier scheme-fontifier)
+ (extractor scheme-extractor)))
+
+
+;;;; ======================================================================
+;;;;
+;;;; STKLOS
+;;;;
+;;;; ======================================================================
+(define (stklos-extractor iport def tab)
+ (definition-search
+ iport
+ %skribilo-module-reader
+ tab
+ (lambda (exp)
+ (match exp
+ (((or 'define 'define-generic 'define-method 'define-macro)
+ (fun . _) . _)
+ (and (eq? def fun) exp))
+ (((or 'define 'define-module) (? symbol? var) . _)
+ (and (eq? var def) exp))
+ (else
+ #f)))))
+
+
+(define (init-stklos-keys)
+ (unless %stklos-keys
+ (init-scheme-keys)
+ (set! %stklos-keys (append %scheme-keys
+ ;; Markups
+ (map (lambda (x) (cons x '&source-key))
+ '(select-module import export))
+ ;; Key
+ (map (lambda (x) (cons x '&source-keyword))
+ '(case-lambda dotimes match-case match-lambda))
+ ;; Define
+ (map (lambda (x) (cons x '&source-define))
+ '(define-generic define-class
+ define-macro define-method define-module))
+ ;; error
+ (map (lambda (x) (cons x '&source-error))
+ '(error call/cc)))))
+ %stklos-keys)
+
+
+(define (stklos-fontifier s)
+ (parameterize ((*the-keys* (init-stklos-keys))
+ (*bracket-highlight* #t)
+ (*class-highlight* #t))
+ (lisp-family-fontifier s)))
+
+
+(define stklos
+ (new language
+ (name "stklos")
+ (fontifier stklos-fontifier)
+ (extractor stklos-extractor)))
+
+
+;;;; ======================================================================
+;;;;
+;;;; SKRIBE
+;;;;
+;;;; ======================================================================
+(define (skribe-extractor iport def tab)
+ (definition-search
+ iport
+ (make-reader 'skribe)
+ tab
+ (lambda (exp)
+ (match exp
+ (((or 'define 'define-macro 'define-markup 'define-public)
+ (fun . _) . _)
+ (and (eq? def fun) exp))
+ (('define (? symbol? var) . _)
+ (and (eq? var def) exp))
+ (('markup-output (quote mk) . _)
+ (and (eq? mk def) exp))
+ (else #f)))))
+
+
+(define (init-skribe-keys)
+ (unless %skribe-keys
+ (init-stklos-keys)
+ (set! %skribe-keys (append %stklos-keys
+ ;; Markups
+ (map (lambda (x) (cons x '&source-markup))
+ '(bold it emph tt color ref index underline
+ roman figure center pre flush hrule
+ linebreak image kbd code var samp
+ sc sf sup sub
+ itemize description enumerate item
+ table tr td th item prgm author
+ prgm hook font
+ document chapter section subsection
+ subsubsection paragraph p handle resolve
+ processor abstract margin toc
+ table-of-contents current-document
+ current-chapter current-section
+ document-sections* section-number
+ footnote print-index include skribe-load
+ slide))
+ ;; Define
+ (map (lambda (x) (cons x '&source-define))
+ '(define-markup)))))
+ %skribe-keys)
+
+
+(define (skribe-fontifier s)
+ (parameterize ((*the-keys* (init-skribe-keys))
+ (*bracket-highlight* #t)
+ (*class-highlight* #t))
+ (lisp-family-fontifier s)))
+
+
+(define skribe
+ (new language
+ (name "skribe")
+ (fontifier skribe-fontifier)
+ (extractor skribe-extractor)))
+
+
+;;;; ======================================================================
+;;;;
+;;;; BIGLOO
+;;;;
+;;;; ======================================================================
+(define (bigloo-extractor iport def tab)
+ (definition-search
+ iport
+ %skribilo-module-reader
+ tab
+ (lambda (exp)
+ (match exp
+ (((or 'define 'define-inline 'define-generic
+ 'define-method 'define-macro 'define-expander)
+ (fun . _) . _)
+ (and (eq? def fun) exp))
+ (((or 'define 'define-struct 'define-library)
+ (? symbol? var) . _)
+ (and (eq? var def) exp))
+ (else #f)))))
+
+(define bigloo
+ (new language
+ (name "bigloo")
+ (fontifier scheme-fontifier)
+ (extractor bigloo-extractor)))
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