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  1. %{
  2. #include<stdio.h>
  3. int w = 0;
  4. %}
  5.  
  6. %%
  7. [ ] {w++;}
  8. %%
  9.  
  10. int yywrap(void){}
  11.  
  12. int main(){
  13. 	yylex();
  14. 	printf("%d",w);
  15. }
Success #stdin #stdout #stderr 0.04s 6896KB
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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/hPfjZs/prog:15:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/0EtdfN
language:
Prolog (swi 7.6.4)
created:
3 days ago
visibility:
public

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