err_syntax24.y revision 264790
1264790Sbapt%{ 2264790Sbaptint yylex(void); 3264790Sbaptstatic void yyerror(const char *); 4264790Sbapt%} 5264790Sbapt 6264790Sbapt%union { 7264790Sbapt int ival; 8264790Sbapt double dval; 9264790Sbapt} 10264790Sbapt 11264790Sbapt%start expr 12264790Sbapt%type <tag2> expr 13264790Sbapt 14264790Sbapt%token NUMBER 15264790Sbapt 16264790Sbapt%% 17264790Sbapt 18264790Sbaptexpr : '(' recur ')' 19264790Sbapt ; 20264790Sbapt 21264790Sbaptrecur : NUMBER 22264790Sbapt { $$ = 1; } 23264790Sbapt ; 24264790Sbapt 25264790Sbapt%% 26264790Sbapt 27264790Sbapt#include <stdio.h> 28264790Sbapt 29264790Sbaptint 30264790Sbaptmain(void) 31264790Sbapt{ 32264790Sbapt printf("yyparse() = %d\n", yyparse()); 33264790Sbapt return 0; 34264790Sbapt} 35264790Sbapt 36264790Sbaptint 37264790Sbaptyylex(void) 38264790Sbapt{ 39264790Sbapt return -1; 40264790Sbapt} 41264790Sbapt 42264790Sbaptstatic void 43264790Sbaptyyerror(const char* s) 44264790Sbapt{ 45264790Sbapt printf("%s\n", s); 46264790Sbapt} 47