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 "parser.h" 29 #include "config.h" 30 static char* STRDUP(char* s1); 31 #define YY_EXTRA_TYPE int 32 %} 33 34 %option 8bit outfile="scanner.c" prefix="test" 35 %option bison-locations yylineno 36 %option nomain nounput noyy_top_state noyywrap nodefault warn 37 %option prefix="test" header="scanner.h" yylineno 38 39 40 %% 41 42 ^[[:digit:]]+ { 43 yylval->lineno = yylineno; 44 yylloc->first_line = (int)strtol(yytext,NULL,10); 45 return LINENO; 46 } 47 ":" { return COLON; } 48 " " { return SPACE; } 49 "=" { return EQUAL; } 50 [[:alnum:]_]+ { yylval->str = STRDUP(yytext); return IDENT;} 51 52 \r|\n { } 53 . { yyterminate();} 54 %% 55 56 57 static char* STRDUP(char* s1) 58 { 59 char* s2 = (char*)malloc(strlen(s1)+1); 60 sprintf(s2,"%s",s1); 61 return s2; 62 } 63