fork download
copy 
  1. %{
  2. #include <stdio.h>
  3. %}
  4.  
  5. %%
  6. a+     { printf("Matched a sequence of 'a'\n"); }
  7. b+     { printf("Matched a sequence of 'b'\n"); }
  8. (a+)(b+) { printf("Matched a sequence of 'a' followed by 'b'\n"); }
  9. .      { printf("Invalid character: %c\n", yytext[0]); }
  10. %%
  11.  
  12. int main(int argc, char **argv) {
  13.     yylex();
  14.     return 0;
  15. }
  16.  
  17. int yywrap() {
  18.     return 1;
  19. }
  20.  
Success #stdin #stdout #stderr 0.02s 6988KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
stderr
copy 
ERROR: /home/mOEpXP/prog:2:1: Syntax error: Operator expected
ERROR: /home/mOEpXP/prog:19:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/xwsbSD
language:
Prolog (swi 7.6.4)
created:
6 hours 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!