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+;;;;
+;;;; lisp.stk -- Lisp Family Fontification
+;;;;
+;;;; Copyright © 2003-2004 Erick Gallesio - I3S-CNRS/ESSI <eg@essi.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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+;;;; USA.
+;;;;
+;;;; Author: Erick Gallesio [eg@essi.fr]
+;;;; Creation date: 16-Oct-2003 22:17 (eg)
+;;;; Last file update: 28-Oct-2004 21:14 (eg)
+;;;;
+
+(require "lex-rt") ;; to avoid module problems
+
+(define-module (skribe lisp)
+ :export (skribe scheme stklos bigloo lisp)
+ :import (skribe source))
+
+(include "lisp-lex.stk") ;; SILex generated
+
+(define *bracket-highlight* #f)
+(define *class-highlight* #f)
+(define *the-keys* #f)
+
+(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 tab test)
+ (let Loop ((exp (%read inp)))
+ (unless (eof-object? exp)
+ (if (test exp)
+ (let ((start (and (%epair? exp) (%epair-line exp)))
+ (stop (port-current-line inp)))
+ (source-read-lines (port-file-name inp) start stop tab))
+ (Loop (%read inp))))))
+
+
+(define (lisp-family-fontifier s)
+ (let ((lex (lisp-lex (open-input-string s))))
+ (let Loop ((token (lexer-next-token lex))
+ (res '()))
+ (if (eq? token 'eof)
+ (reverse! res)
+ (Loop (lexer-next-token lex)
+ (cons token res))))))
+
+;;;; ======================================================================
+;;;;
+;;;; LISP
+;;;;
+;;;; ======================================================================
+(define (lisp-extractor iport def tab)
+ (definition-search
+ iport
+ tab
+ (lambda (exp)
+ (match-case 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)
+ (fluid-let ((*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
+ tab
+ (lambda (exp)
+ (match-case exp
+ (((or define define-macro) (?fun . ?-) . ?-)
+ (and (eq? def fun) exp))
+ ((define (and (? 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)
+ (fluid-let ((*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
+ tab
+ (lambda (exp)
+ (match-case exp
+ (((or define define-generic define-method define-macro)
+ (?fun . ?-) . ?-)
+ (and (eq? def fun) exp))
+ (((or define define-module) (and (? 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)
+ (fluid-let ((*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
+ tab
+ (lambda (exp)
+ (match-case exp
+ (((or define define-macro define-markup) (?fun . ?-) . ?-)
+ (and (eq? def fun) exp))
+ ((define (and (? 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)
+ (fluid-let ((*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
+ tab
+ (lambda (exp)
+ (match-case 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) (and (? 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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