Check writes to importing parameters

[FreHu]

REPORT zfoobar.

CLASS lcl_test DEFINITION CREATE PRIVATE.

  PUBLIC SECTION.
    METHODS parse_something
      IMPORTING text TYPE string.
  PROTECTED SECTION.
  PRIVATE SECTION.

ENDCLASS.

CLASS lcl_test IMPLEMENTATION.

  METHOD parse_something.
    text = 5.
  ENDMETHOD.

ENDCLASS.

• No error if the parameter is IMPORTING VALUE
• All write references should be checked, not just assignment (e.g. SORT importing_itab is also an error)

[larshp]

also

CONSTANTS bar TYPE i VALUE 2.
bar = 1.

[larshp]

note that importing parameters(which are not pass by value), has recently gotten the "read only" metadata, which CONSTANTS also have