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  1. %{
  2. #include <stdio.h>
  3. %}
  4.  
  5. %%
  6.  
  7. "//".*                 { /* Ignore single-line comments */ }
  8. "/\\*"([^*]*|\\*+[^/])*"\\*/" { /* Ignore multi-line comments */ }
  9. .|\n                    { printf("%s", yytext); }  // Copy non-comment content
  10.  
  11. %%
  12.  
  13. int main() {
  14.     yylex();
  15.     return 0;
  16. }
  17.  
Success #stdin #stdout #stderr 0.02s 6980KB
comments (?)
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/Q5gfyD/prog:16:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/VIgjst
language:
Prolog (swi 7.6.4)
created:
17 hours ago
visibility:
public

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