1 1.1.1.3 christos /* $NetBSD: err_syntax21.y,v 1.1.1.3 2016/01/09 21:59:45 christos Exp $ */ 2 1.1.1.3 christos 3 1.1 christos %{ 4 1.1 christos int yylex(void); 5 1.1 christos static void yyerror(const char *); 6 1.1 christos %} 7 1.1 christos 8 1.1 christos %type <check> expr 9 1.1 christos %type <rechk> recur 10 1.1 christos 11 1.1 christos %% 12 1.1 christos 13 1.1 christos expr : '(' recur ')' 14 1.1 christos { foo( $$ = $0 ); } 15 1.1 christos ; 16 1.1 christos 17 1.1 christos %% 18 1.1 christos 19 1.1 christos #include <stdio.h> 20 1.1 christos 21 1.1 christos int 22 1.1 christos main(void) 23 1.1 christos { 24 1.1 christos printf("yyparse() = %d\n", yyparse()); 25 1.1 christos return 0; 26 1.1 christos } 27 1.1 christos 28 1.1 christos int 29 1.1 christos yylex(void) 30 1.1 christos { 31 1.1 christos return -1; 32 1.1 christos } 33 1.1 christos 34 1.1 christos static void 35 1.1 christos yyerror(const char* s) 36 1.1 christos { 37 1.1 christos printf("%s\n", s); 38 1.1 christos } 39