/* Program a: Hello World */ %% "Hello World" { printf("%s\n", yytext); } . ; /* Ignore other input */ %% int main() { yylex(); return 0; } int yywrap() { return 1; }
Standard input is empty
Standard output is empty
ERROR: /home/pddx1z/prog:3:14: Syntax error: Operator expected ERROR: /home/pddx1z/prog:14:0: Syntax error: Unexpected end of file ERROR: '$runtoplevel'/0: Undefined procedure: program/0 Exception: (3) program ? EOF: exit