%{ #include <stdio.h> %} %% "hello" { printf("Hello, World!\n"); } .|\n { /* Ignore other characters */ } %% int main() { yylex(); // Start the lexical analysis return 0; }
Standard input is empty
Standard output is empty
ERROR: /home/bGfNCO/prog:15:1: Syntax error: Unexpected end of file ERROR: '$runtoplevel'/0: Undefined procedure: program/0 Exception: (3) program ? EOF: exit