%{ #include <stdio.h> %} %% . { printf("Hello, World!\n"); } %% int main() { yylex(); return 0; }
Standard input is empty
Standard output is empty
ERROR: /home/qs4cuV/prog:2:1: Syntax error: Operator expected ERROR: /home/qs4cuV/prog:13:1: Syntax error: Unexpected end of file ERROR: '$runtoplevel'/0: Undefined procedure: program/0 Exception: (3) program ? EOF: exit