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  1. /* comment.l */
  2. %{
  3. #include <stdio.h>
  4. %}
  5.  
  6. %%
  7. "//".*          { printf("Single-line comment: %s\n", yytext); }
  8. "/*"[^]*?"*/"   { printf("Multi-line comment: %s\n", yytext); }
  9. .|\n            { /* Ignore other characters */ }
  10. %%
  11.  
  12. int main() {
  13.     yylex();
  14.     return 0;
  15. }
  16.  
Success #stdin #stdout #stderr 0.02s 6960KB
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/hIbAiZ/prog:15:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/WFXyLN
language:
Prolog (swi 7.6.4)
created:
4 days ago
visibility:
public

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