실행중인 메소드의 파라미터 목록 읽기 (자바스크립트의 arguments 처럼)

ABAP method parameters

 

    DATA: lt_callstack   TYPE abap_callstack,
          ls_callstack   TYPE abap_callstack_line,
          lo_class_desc  TYPE REF TO cl_abap_classdescr,
          ls_method_desc TYPE abap_methdescr,
          ls_param_desc  TYPE abap_parmdescr.
    FIELD-SYMBOLS: <lv_value> TYPE any.

    CALL FUNCTION 'SYSTEM_CALLSTACK'
      EXPORTING
        max_level = 1
      IMPORTING
        callstack = lt_callstack.
    READ TABLE lt_callstack INTO ls_callstack INDEX 1.
    lo_class_desc ?= cl_abap_classdescr=>describe_by_name( cl_oo_classname_service=>get_clsname_by_include( ls_callstack-include ) ).
    READ TABLE lo_class_desc->methods INTO ls_method_desc WITH KEY name = ls_callstack-blockname.
    LOOP AT ls_method_desc-parameters INTO ls_param_desc.
      ASSIGN (ls_param_desc-name) TO <lv_value>.
      " ...

    ENDLOOP.