summaryrefslogtreecommitdiff
path: root/legacy/stklos/verify.stk
blob: da9b132d3a7f7a33200cd89283c95c4f5569a156 (about) (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
;;;;
;;;; verify.stk				-- Skribe Verification Stage
;;;; 
;;;; Copyright � 2003-2004 Erick Gallesio - I3S-CNRS/ESSI <eg@unice.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: 13-Aug-2003 11:57 (eg)
;;;; Last file update: 27-Oct-2004 16:35 (eg)
;;;;

(define-module SKRIBE-VERIFY-MODULE
  (import SKRIBE-DEBUG-MODULE SKRIBE-ENGINE-MODULE SKRIBE-WRITER-MODULE
	  SKRIBE-RUNTIME-MODULE)
  (export verify)


(define-generic verify)

;;;
;;; CHECK-REQUIRED-OPTIONS
;;;
(define (check-required-options markup writer engine)
  (let ((required-options (slot-ref markup 'required-options))
	(ident		  (slot-ref writer 'ident))
	(options	  (slot-ref writer 'options))
	(verified?	  (slot-ref writer 'verified?)))
    (or verified?
	(eq? options 'all)
	(begin
	  (for-each (lambda (o)
		      (if (not (memq o options))
			  (skribe-error (engine-ident engine)
					(format "Option unsupported: ~a, supported options: ~a" o options)
					markup)))
		    required-options)
	  (slot-set! writer 'verified? #t)))))

;;;
;;; CHECK-OPTIONS
;;;
(define (check-options lopts markup engine)
  
  ;;  Only keywords are checked, symbols are voluntary left unchecked. */
  (with-debug 6 'check-options
      (debug-item "markup="  (markup-markup markup))
      (debug-item "options=" (slot-ref markup 'options))
      (debug-item "lopts="   lopts)
      (for-each
          (lambda (o2)
	    (for-each
	        (lambda (o)
		  (if (and (keyword? o)
			   (not (eq? o :&skribe-eval-location))
			   (not (memq o lopts)))
		      (skribe-warning/ast
		       3
		       markup
		       'verify
		       (format "Engine ~a does not support markup ~a option `~a' -- ~a"
			       (engine-ident engine)
			       (markup-markup markup)
			       o
			       (markup-option markup o)))))
		o2))
	  (slot-ref markup 'options))))
  

;;; ======================================================================
;;;
;;; 				V E R I F Y
;;;
;;; ======================================================================

;;; TOP
(define-method verify ((obj <top>) e)
  obj)

;;; PAIR
(define-method verify ((obj <pair>) e)
  (for-each (lambda (x) (verify x e)) obj)
  obj)

;;; PROCESSOR
(define-method verify ((obj <processor>) e)
  (let ((combinator (slot-ref obj 'combinator))
	(engine     (slot-ref obj 'engine))
	(body       (slot-ref obj 'body)))
    (verify body (processor-get-engine combinator engine e))
    obj))

;;; NODE
(define-method verify ((node <node>) e)
  ;; Verify body
  (verify (slot-ref node 'body) e)
  ;; Verify options
  (for-each (lambda (o) (verify (cadr o) e))
	    (slot-ref node 'options))
  node)

;;; MARKUP
(define-method verify ((node <markup>) e)
  (with-debug 5 'verify::<markup>
     (debug-item "node="    (markup-markup node))
     (debug-item "options=" (slot-ref node 'options))
     (debug-item "e=" 	    (engine-ident e))

     (next-method)

     (let ((w (lookup-markup-writer node e)))
       (when (writer? w)
	 (check-required-options node w e)
	 (when (pair? (writer-options w))
	   (check-options (slot-ref w 'options) node e))
	 (let ((validate (slot-ref w 'validate)))
	   (when (procedure? validate)
	     (unless (validate node e)
	       (skribe-warning
		     1
		     node
		     (format "Node `~a' forbidden here by ~a engine"
			     (markup-markup node)
			     (engine-ident e))))))))
     node))


;;; DOCUMENT
(define-method verify ((node <document>) e)
  (next-method)

  ;; verify the engine customs
  (for-each (lambda (c)
	      (let ((i (car c))
		    (a (cadr c)))
		(set-car! (cdr c) (verify a e))))
	    (slot-ref e 'customs))

   node)
  

)