%{ #include <stdio.h> %} %% [A-Z]+ { printf("%s\n", yytext); } .|\n ; /* Ignore other characters and newlines */ %% int main() { yylex(); return 0; } int yywrap() { return 1; }
Standard input is empty
Standard output is empty
ERROR: /home/6HbEgA/prog:20:0: Syntax error: Unexpected end of file ERROR: '$runtoplevel'/0: Undefined procedure: program/0 Exception: (3) program ? EOF: exit