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  1. %option noyywrap
  2. %{
  3. #include<stdio.h>
  4. %}
  5. %%
  6. .   ;       // This is a dummy rule that matches any single character and does nothing
  7. %%
  8. int main(int argc, char* argv[])
  9. {
  10.     if(argc > 1)
  11.     {
  12.         FILE *fp = fopen(argv[1], "r");
  13.         if(fp)
  14.         {
  15.             yyin = fp;
  16.             yylex();
  17.         }
  18.     }
  19.     return 1;
  20. }
  21.  
Success #stdin #stdout #stderr 0.02s 6848KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
ERROR: /home/KKQlgB/prog:3:1: Syntax error: Operator expected
ERROR: /home/KKQlgB/prog:20:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/ZsdO8H
language:
Prolog (swi 7.6.4)
created:
6 days ago
visibility:
public

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