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  1. %{
  2. #include<stdio.h>
  3. #include<string.h>
  4. int i = 0;
  5. %}
  6.  
  7. %%
  8.  
  9. ([a-zA-Z0-9])+ {i++;} /* Rule for counting number of words */
  10. "\n" {printf("%d\n", i); i = 0;}
  11.  
  12. %%
  13.  
  14. int yywrap(void) {}
  15.  
  16. int main() {
  17. yylex();
  18. return 0;
  19. }
Success #stdin #stdout #stderr 0.04s 6792KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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ERROR: /home/IYSiDi/prog:19:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/ySazqs
language:
Prolog (swi 7.6.4)
created:
3 days ago
visibility:
public

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