/*

 * yymore.lex: An example of using yymore()

 *             to good effect.

 */

%{

#include <memory.h>

void yyerror(char *message)

{

  printf("Error: %s\n",message);

}

%}

%x STRING

%%

\"   BEGIN(STRING);

<STRING>[^\\\n"]*  yymore();

<STRING><<EOF>>    yyerror("EOF in string.");       BEGIN(INITIAL);

<STRING>\n         yyerror("Unterminated string."); BEGIN(INITIAL);

<STRING>\\\n      {

                     bcopy(yytext,yytext+2,yyleng-2);

                     yytext += 2; yyleng -= 2;

                     yymore();

                  }

<STRING>\"        {

                     yyleng -= 1; yytext[yyleng] = '\0';

                     printf("string = \"%s\"",yytext); BEGIN(INITIAL);

                  }

%%