================================================================================
Empty comment
================================================================================

/**/

--------------------------------------------------------------------------------

(source_file
  (comment))

================================================================================
Whitespace comment
================================================================================

/*   */

--------------------------------------------------------------------------------

(source_file
  (comment))

================================================================================
Comment
================================================================================

/* This is a comment */

--------------------------------------------------------------------------------

(source_file
  (comment))

================================================================================
Comment with slashes
================================================================================

/* /// */

--------------------------------------------------------------------------------

(source_file
  (comment))

================================================================================
Comment with asterisks
================================================================================

/*****/

--------------------------------------------------------------------------------

(source_file
  (comment))

================================================================================
Nested comment
================================================================================

/* This is /* a /* nested */ comment */*/

--------------------------------------------------------------------------------

(source_file
  (comment))

================================================================================
Unterminated comment
================================================================================

/*

--------------------------------------------------------------------------------

(source_file
  (ERROR
    (operator)
    (operator)))

================================================================================
Comment end-delimiter only
================================================================================

*/

--------------------------------------------------------------------------------

(source_file
  (ERROR
    (operator)
    (operator)))

================================================================================
Comment in real code
================================================================================
let
    /* This is a comment */
    var a := 12
    /* This is an other comment */
    var b := 27
    /* Yet another comment */
in
    /* This is the final comment */
    (a + b) <> 42
    /* Sike! This is the *actual* final comment */
end

--------------------------------------------------------------------------------

(source_file
  (let_expression
    (comment)
    (variable_declaration
      (identifier)
      (operator)
      (integer_literal))
    (comment)
    (variable_declaration
      (identifier)
      (operator)
      (integer_literal))
    (comment)
    (comment)
    (binary_expression
      (sequence_expression
        (binary_expression
          (identifier)
          (operator)
          (identifier)))
      (operator)
      (integer_literal))
    (comment)))