bison_yylloc_scanner.l revision 1.1.1.2 
1/*
2 * This file is part of flex.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * Neither the name of the University nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE.
22 */
23
24%{
25/* The scanner expects to link to bison yylval . */
26#include <stdio.h>
27#include <stdlib.h>
28#include "bison_yylloc_parser.h"
29#include "config.h"
30static char* STRDUP(char* s1);
31#define YY_EXTRA_TYPE int
32%}
33
34%option 8bit prefix="test"
35%option reentrant bison-bridge bison-locations yylineno
36%option header="bison_yylloc_scanner.h"
37%option nomain nounput noyy_top_state noyywrap nodefault noinput warn
38
39
40%%
41
42    if ( !yyextra)
43        yyextra = 1;
44
45^[[:digit:]]+  {
46        yylval->lineno = yyextra++;
47        yylloc->first_line = (int)strtol(yytext,NULL,10);
48        return LINENO;
49    }
50":"  { return COLON; }
51" "  { return SPACE; }
52"="  { return EQUAL; }
53[[:alnum:]_]+ {  yylval->str = STRDUP(yytext); return IDENT;}
54
55\r|\n { }
56.     { yyterminate();}
57%%
58
59
60static char* STRDUP(char* s1)
61{
62    char* s2 = malloc(strlen(s1)+1);
63    sprintf(s2,"%s",s1);
64    return s2;
65}
66