fork download
copy 
  1. %{
  2. #include <stdio.h>
  3. %}
  4.  
  5. %%
  6.  
  7. [ \t\n]+                 /* Ignore whitespace */
  8. "//".*                   /* Ignore single-line comments */
  9. "/*"([^*]|[\r\n]|"*"[^/])*"*/"  /* Ignore multi-line comments */
  10.  
  11. .                        { printf("%s", yytext); }  /* Print everything else */
  12.  
  13. %%
  14.  
  15. int main() {
  16.     yylex();
  17.     return 0;
  18. }
Success #stdin #stdout #stderr 0.02s 6972KB
comments (?)
stdin
copy 
int a=10
stdout
copy 
Standard output is empty
stderr
copy 
ERROR: /home/Ex3hVP/prog:2:1: Syntax error: Operator expected
ERROR: /home/Ex3hVP/prog:18:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/xa56cs
language:
Prolog (swi 7.6.4)
created:
11 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!