================================================================================
Line comment
================================================================================
// Line comment
// Line comment
--------------------------------------------------------------------------------

(source_file
  (comment)
  (comment))

================================================================================
Multiline comment
================================================================================
/*
  Multiline comment
  Multiline comment
*/
--------------------------------------------------------------------------------

(source_file
  (comment))

================================================================================
Multiline nested comment
================================================================================
/*
  Multiline comment
  /* Nested */
*/
--------------------------------------------------------------------------------

(source_file
  (comment))
