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
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; ;;;
;;; Language Technologies Institute ;;;
;;; Carnegie Mellon University ;;;
;;; Copyright (c) 2000 ;;;
;;; All Rights Reserved. ;;;
;;; ;;;
;;; Permission is hereby granted, free of charge, to use and distribute ;;;
;;; this software and its documentation without restriction, including ;;;
;;; without limitation the rights to use, copy, modify, merge, publish, ;;;
;;; distribute, sublicense, and/or sell copies of this work, and to ;;;
;;; permit persons to whom this work is furnished to do so, subject to ;;;
;;; the following conditions: ;;;
;;; 1. The code must retain the above copyright notice, this list of ;;;
;;; conditions and the following disclaimer. ;;;
;;; 2. Any modifications must be clearly marked as such. ;;;
;;; 3. Original authors' names are not deleted. ;;;
;;; 4. The authors' names are not used to endorse or promote products ;;;
;;; derived from this software without specific prior written ;;;
;;; permission. ;;;
;;; ;;;
;;; CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK ;;;
;;; DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ;;;
;;; ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT ;;;
;;; SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE ;;;
;;; FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES ;;;
;;; WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN ;;;
;;; AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ;;;
;;; ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF ;;;
;;; THIS SOFTWARE. ;;;
;;; ;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Author: Alan W Black (awb@cs.cmu.edu) ;;;
;;; Date: January 2000 ;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; ;;;
;;; Generate C compilable CART trees. ;;;
;;; ;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defvar val_table_length 0)
(define (carttoC name tree odir)
"(carttoC NAME TREE ODIR)
Coverts a CART tree to a single C file called ODIR/NAME_cart.c."
(let
((ofdc (fopen (path-append odir (string-append name "_cart.c")) "w"))
(ofdh(fopen (path-append odir (string-append name "_cart.h")) "w")))
(format ofdc "/*******************************************************/\n")
(format ofdc "/** Autogenerated cart trees for %s */\n" name)
(format ofdc "/*******************************************************/\n")
(format ofdc "\n")
(format ofdc "#include \"cst_string.h\"\n")
(format ofdc "#include \"cst_cart.h\"\n")
(format ofdc "#include \"cst_regex.h\"\n")
(format ofdc "#include \"%s_cart.h\"\n" name)
(format ofdh "/*******************************************************/\n")
(format ofdh "/** Autogenerated cart tree for %s */\n" name)
(format ofdh "/** from %s */\n" odir)
(format ofdh "/*******************************************************/\n")
(format ofdh "\n")
(set! current_node -1)
(set! val_table nil)
(set! feat_nums nil)
(do_carttoC ofdc ofdh name tree)
(fclose ofdc)
(fclose ofdh)
))
(define (do_carttoC ofdc ofdh name tree)
"(do_carttoC ofdc ofdh name tree)
Do the tree dump, this section is split off for cases when we
want multiple trees in the same file."
(set! cart_name name)
(format ofdc "\n")
(format ofdc "static const cst_cart_node %s_cart_nodes[] = {\n" name)
(carttoC_tree_nodes tree ofdc ofdh)
(format ofdc "{ 255, CST_CART_OP_NONE, 0, 0}};\n\n")
;; definitions are in the .h file
; (mapcar
; (lambda (f)
; (format ofdc "%s" (caddr f)))
; (reverse val_table))
(format ofdc "\n")
(format ofdc "static const char * const %s_feat_table[] = {\n" name)
(mapcar
(lambda (f)
(if (string-equal "string" (typeof (car f)))
(format ofdc "%s,\n" (car f))
(format ofdc "\"%s\",\n" (car f))))
(reverse feat_nums))
(format ofdc "NULL };\n\n")
(format ofdc "const cst_cart %s_cart = {\n" name)
(format ofdc " %s_cart_nodes,\n" name)
(format ofdc " %s_feat_table\n" name)
(format ofdc "};\n")
t
)
(defvar cart_operators
'(("is" "CST_CART_OP_IS")
("in" "CST_CART_OP_IN")
("<" "CST_CART_OP_LESS")
(">" "CST_CART_OP_GREATER")
("matches" "CST_CART_OP_MATCHES")
("=" "CST_CART_OP_EQUALS")))
(define (carttoC_feat_num f)
(let ((fn (assoc_string f feat_nums)))
(cond
(fn
(cadr fn))
(t
(set! feat_nums
(cons (list f (length feat_nums))
feat_nums))
(carttoC_feat_num f)))))
(define (carttoC_val_table ofdh f operator)
(let ((fn (if (number? f)
nil ;; if its a number don't try to share it
(assoc_string
(if (string-equal operator "is")
(format nil "is_%s" f)
f)
val_table))))
(if (null val_table)
(begin
(set! val_table_length 0)
(set! val_table (cons (list "_xxx" "_xxx" nil)))))
(cond
(fn
; (format t "awb_debug reused_val %l\n" fn)
(cadr fn))
(t
(let ((nname (format nil "val_%04d" val_table_length)))
(set! val_table_length (+ 1 val_table_length))
(set! val_table_key
(if (string-equal operator "is")
(format nil "is_%s" f)
f))
; (format ofdh "static const cst_val %s;\n" nname)
(cond
((string-equal operator "is")
(set! val_table
(cons (list val_table_key nname
(format ofdh "DEF_STATIC_CONST_VAL_STRING(%s,\"%s\");\n"
nname f))
val_table)))
((string-equal "matches" operator)
(set! val_table
(cons (list val_table_key nname
(format ofdh "DEF_STATIC_CONST_VAL_INT(%s,CST_RX_%s_NUM);\n"
nname f))
val_table)))
((number? f)
(format ofdh "DEF_STATIC_CONST_VAL_FLOAT(%s,%f);\n"
nname f))
((consp f)
(format stderr "list vals not supported here yet\n")
(error f))
(t
(set! val_table
(cons (list val_table_key nname
(format ofdh "DEF_STATIC_CONST_VAL_STRING(%s,\"%s\");\n"
nname f))
val_table))))
; (format t "awb_debug new_val %l\n" (car val_table))
nname
)))))
(define (carttoC_tree_nodes tree ofdc ofdh)
"(carttoC_tree_nodes tree ofdc ofdh)
Dump the nodes in the tree."
(let ((this_node (set! current_node (+ 1 current_node))))
(cond
((cdr tree) ;; a question node
(format ofdc "{ %d, %s, %s, (cst_val *)&%s},\n"
(carttoC_feat_num (caar tree)) ;; the feature
(cadr (assoc_string ;; operator
(cadr (car tree))
cart_operators))
(format nil "CTNODE_%s_NO_%04d" cart_name this_node); the no node
(carttoC_val_table ofdh
(nth 2 (car tree))
(cadr (car tree))))
(carttoC_tree_nodes (car (cdr tree)) ofdc ofdh)
(format ofdh "#define CTNODE_%s_NO_%04d %d\n" cart_name
this_node (+ 1 current_node))
(carttoC_tree_nodes (car (cdr (cdr tree))) ofdc ofdh))
(t ;; a leaf node
(format ofdc
"{ 255, CST_CART_OP_NONE, 0, (cst_val *)&%s },\n"
(carttoC_extract_answer ofdh tree))))))
(define (carttoC_extract_answer ofdh tree)
"(carttoC_extract_answer tree)
Get answer from leaf node. (this can be redefined if you want different
behaviour)."
(carttoC_val_table ofdh
(car (last (car tree)))
'none))
(set! basic_carttoC_extract_answer carttoC_extract_answer)
(provide 'make_cart)
|
