fork download 
  1. %{ 
  2. int vowel_cnt=0, consonant_cnt=0; 
  3. %} 
  4. vowel[aeiou]+ 
  5. consonant[^aeiou ] 
  6. eol\n 
  7. %% 
  8. {eol} return 0; 
  9. [\t]+; 
  10. {vowel} {vowel_cnt++;} 
  11. {consonant} {consonant_cnt++;} 
  12. %% 
  13. int main() 
  14. { 
  15. printf("\nEnter some input string: "); 
  16. yylex(); 
  17. printf("vowel=%d,consonant=%d\n",vowel _cnt,consonant_cnt); 
  18. return 0; 
  19. } 
  20. int yywrap() 
  21. { 
  22. return 1; 
  23. } 
  24.  
  25.  
Success #stdin #stdout #stderr 0.04s 6924KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
ERROR: /home/n5vMhO/prog:24:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/IxOAHp
language:
Prolog (swi 7.6.4)
created:
6 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!