Call function from FM

Question

hi, how do i call a function from the function module and use it accordinly? i need call the EDITOR_SYNTAX_CHECK from the FM and use it in my program to check abap syntax that users entered.
pls provide codes.
thanks. will reward if useful.

Answer 1

thanks for all of ur replies.
I have a text editor that allows users to enter abap codes and when they clicked on the save button, the program will check the syntax they have entered and prompt them accordinly. how can i call the EDITOR_SYNTAX_CHECK fm and used it for my program?
below is my codes:
REPORT  ZEVONNE_DYN.
TABLES: ZPROGRAM_TABLE.
DATA: ITAB_PROGRAM TYPE TABLE OF ZPROGRAM_TABLE WITH HEADER LINE.
DATA: CODE_EDITOR_CONTAINER TYPE REF TO CL_GUI_CUSTOM_CONTAINER,
      CODE_EDITOR TYPE REF TO CL_GUI_TEXTEDIT.
DATA: WA_PROGRAM LIKE LINE OF ITAB_PROGRAM,
        g_ok_code LIKE sy-ucomm,         " return code from screen
        g_repid LIKE sy-repid.
DATA: st_head TYPE thead,
      i_tline TYPE STANDARD TABLE OF ZPROGRAM_TABLE,
      wa_tline TYPE ZPROGRAM_TABLE.
TYPES: BEGIN OF DYN_CODE,
        LINE(255),
      END OF DYN_CODE.
DATA: DYN_CODE_TABLE TYPE TABLE OF DYN_CODE,
      wa_lv LIKE LINE OF DYN_CODE_TABLE.
CONSTANTS: CODE_EDITOR_LENGTH TYPE I VALUE 255.
DATA: BEGIN OF CODE_EDITOR_LINE OCCURS 0,
        PROGRAM_CODE TYPE ZPROGRAM_TABLE-PROGRAM_CODE,
      END OF CODE_EDITOR_LINE.
TYPES: BEGIN OF CODE_EDITOR_TABLE_LINE,
         LINE(CODE_EDITOR_LENGTH) TYPE C,
       END OF CODE_EDITOR_TABLE_LINE.
DATA: CODE_EDITOR_TABLE TYPE TABLE OF CODE_EDITOR_TABLE_LINE,
      CODE_EDITOR_CONTENTS LIKE STANDARD TABLE OF LINE.
DATA: INSERT_COUNTER TYPE I, INSERT_VALUE(CODE_EDITOR_LENGTH) TYPE C,
GT_HEAD LIKE THEAD.
*ID
DATA l_number TYPE i.
DATA l_number2 TYPE i.
  DATA: im_cpidentmax LIKE ZPROGRAM_TABLE-PROGRAM_ID.
*End ID
SELECT * INTO TABLE ITAB_PROGRAM FROM ZPROGRAM_TABLE.
START-OF-SELECTION.
  CALL SCREEN 9000.
MODULE STATUS_9000 OUTPUT.
SET PF-STATUS 'SCREEN_9000'.
SET TITLEBAR 'TITLE_9000'.
  IF CODE_EDITOR IS INITIAL.
    CREATE OBJECT CODE_EDITOR_CONTAINER
       EXPORTING
         CONTAINER_NAME = 'GEN_CODE'
       EXCEPTIONS
         CNTL_ERROR = 1
         CNTL_SYSTEM_ERROR = 2
         CREATE_ERROR = 3
         LIFETIME_ERROR = 4
         LIFETIME_DYNPRO_DYNPRO_LINK = 5.
         CREATE OBJECT CODE_EDITOR
      EXPORTING
        PARENT = CODE_EDITOR_CONTAINER
        WORDWRAP_MODE =
        CL_GUI_TEXTEDIT=>WORDWRAP_OFF
          CL_GUI_TEXTEDIT=>WORDWRAP_AT_FIXED_POSITION
        CL_GUI_TEXTEDIT=>WORDWRAP_AT_WINDOWBORDER
        WORDWRAP_POSITION = CODE_EDITOR_LENGTH
        WORDWRAP_TO_LINEBREAK_MODE = CL_GUI_TEXTEDIT=>TRUE.
  ENDIF.
ENDMODULE.                    "STATUS_9002 OUTPUT
MODULE USER_COMMAND_9002 INPUT
MODULE USER_COMMAND_9000 INPUT.
   CASE SY-UCOMM.
    WHEN 'EXIT'.
      LEAVE PROGRAM.
    WHEN 'SAVE'.
       MESSAGE S000(ZMSG02).
    WHEN 'LOAD'.
    send table to control
      CALL METHOD CODE_EDITOR->set_text_as_r3table
          EXPORTING
              table = DYN_CODE_TABLE
          EXCEPTIONS
              OTHERS = 1.
      IF sy-subrc NE 0.
        CALL FUNCTION 'POPUP_TO_INFORM'
             EXPORTING
                  titel = g_repid
                  txt2  = space
                  txt1  = text-004.
      ENDIF.
  no flush here:
  the automatic flush at the end of PBO does the job
  ENDCASE.
ENDMODULE.                    "USER_COMMAND_9002 INPUT