fork download 
  1. %{
  2. #include<stdio.h>
  3. %}
  4.  
  5. %%
  6. [0-9]        { printf("digit\n"); }
  7. [a-zA-Z]     { printf("character\n"); }
  8. .            { /* do nothing */ }
  9. %%
  10.  
  11. int main() {
  12.     yylex(); // Start lexical analysis
  13.     return 0;
  14. }
  15.  
  16. int yywrap() {
  17.     return 1; // Indicates end of file
  18. }
  19.  
Success #stdin #stdout #stderr 0.03s 6880KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
ERROR: /home/wL65he/prog:2:1: Syntax error: Operator expected
ERROR: /home/wL65he/prog:18:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/MR6Y3B
language:
Prolog (swi 7.6.4)
created:
1 day 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!