1/*
2 * yymore.lex: An example of using yymore()
3 *             to good effect.
4 */
5
6%{
7#include <memory.h>
8
9void yyerror(char *message)
10{
11  printf("Error: %s\n",message);
12}
13
14%}
15
16%x STRING
17
18%%
19\"   BEGIN(STRING);
20
21<STRING>[^\\\n"]*  yymore();
22<STRING><<EOF>>    yyerror("EOF in string.");       BEGIN(INITIAL);
23<STRING>\n         yyerror("Unterminated string."); BEGIN(INITIAL);
24<STRING>\\\n       yymore();
25<STRING>\"        {
26                     yytext[yyleng-1] = '\0';
27                     printf("string = \"%s\"",yytext); BEGIN(INITIAL);
28                  }
29%%
30