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1 office 1 /**
2 * @file BPredicate.l
3 * @author Ambroz Bizjak <ambrop7@gmail.com>
4 *
5 * @section LICENSE
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of the author nor the
15 * names of its contributors may be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * @section DESCRIPTION
30 *
31 * {@link BPredicate} lexer file.
32 */
33  
34 %{
35  
36 #include <string.h>
37 #include <stdlib.h>
38  
39 #include <predicate/LexMemoryBufferInput.h>
40 #include <predicate/BPredicate_internal.h>
41  
42 #include <generated/bison_BPredicate.h>
43  
44 #define YY_INPUT(buffer, res, max_size) \
45 int bytes_read = LexMemoryBufferInput_Read((LexMemoryBufferInput *)yyget_extra(yyscanner), buffer, max_size); \
46 res = (bytes_read == 0 ? YY_NULL : bytes_read);
47  
48 %}
49  
50 %option reentrant stack noyywrap bison-bridge bison-locations never-interactive nounistd
51  
52 %%
53 \( return SPAR;
54 \) return EPAR;
55 , return COMMA;
56 AND return AND;
57 OR return OR;
58 NOT return NOT;
59 true return CONSTANT_TRUE;
60 false return CONSTANT_FALSE;
61 [a-zA-Z0-9_]+ {
62 int l = strlen(yytext);
63 char *p = (char *)malloc(l + 1);
64 if (p) {
65 memcpy(p, yytext, l);
66 p[l] = '\0';
67 }
68 yylval->text = p;
69 return NAME;
70 }
71 \"[^\"]*\" {
72 int l = strlen(yytext);
73 char *p = (char *)malloc(l - 1);
74 if (p) {
75 memcpy(p, yytext + 1, l - 2);
76 p[l - 2] = '\0';
77 }
78 yylval->text = p;
79 return STRING;
80 }
81 [ \t\n]+ ;
82 . LexMemoryBufferInput_SetError((LexMemoryBufferInput *)yyget_extra(yyscanner)); return 0; // remember failure and report EOF
83 %%