1*0a6a1f1dSLionel Sambuc /* $NetBSD: err_syntax20.y,v 1.1.1.1 2015/01/03 22:58:23 christos Exp $ */ 2*0a6a1f1dSLionel Sambuc 3*0a6a1f1dSLionel Sambuc %{ 4*0a6a1f1dSLionel Sambuc int yylex(void); 5*0a6a1f1dSLionel Sambuc static void yyerror(const char *); 6*0a6a1f1dSLionel Sambuc %} 7*0a6a1f1dSLionel Sambuc 8*0a6a1f1dSLionel Sambuc %type <check> expr 9*0a6a1f1dSLionel Sambuc %type <rechk> recur 10*0a6a1f1dSLionel Sambuc 11*0a6a1f1dSLionel Sambuc %% 12*0a6a1f1dSLionel Sambuc 13*0a6a1f1dSLionel Sambuc expr : '(' recur ')' 14*0a6a1f1dSLionel Sambuc { $2 = 3; } 15*0a6a1f1dSLionel Sambuc ; 16*0a6a1f1dSLionel Sambuc 17*0a6a1f1dSLionel Sambuc %% 18*0a6a1f1dSLionel Sambuc 19*0a6a1f1dSLionel Sambuc #include <stdio.h> 20*0a6a1f1dSLionel Sambuc 21*0a6a1f1dSLionel Sambuc int 22*0a6a1f1dSLionel Sambuc main(void) 23*0a6a1f1dSLionel Sambuc { 24*0a6a1f1dSLionel Sambuc printf("yyparse() = %d\n", yyparse()); 25*0a6a1f1dSLionel Sambuc return 0; 26*0a6a1f1dSLionel Sambuc } 27*0a6a1f1dSLionel Sambuc 28*0a6a1f1dSLionel Sambuc int yylex(void)29*0a6a1f1dSLionel Sambucyylex(void) 30*0a6a1f1dSLionel Sambuc { 31*0a6a1f1dSLionel Sambuc return -1; 32*0a6a1f1dSLionel Sambuc } 33*0a6a1f1dSLionel Sambuc 34*0a6a1f1dSLionel Sambuc static void yyerror(const char * s)35*0a6a1f1dSLionel Sambucyyerror(const char* s) 36*0a6a1f1dSLionel Sambuc { 37*0a6a1f1dSLionel Sambuc printf("%s\n", s); 38*0a6a1f1dSLionel Sambuc } 39