(* Test whether the keyword XXXX may be used as an identifier for:
 * CONFIGURATION identifier
 *
 * The XXXX names in the following code are merely a placeholder.
 * They will be replaced by several identifiers before actual testing
 * of the compiler.
 *)

(* The identifiers that will replace the XXXX
 * must be placed on a line starting with #
 * All identifiers preceded by # are ignored!
 * The identifier list must be placed inside an IEC 61131-3 comment.
 *)
(*
#IL_operators ANDN CAL CALC CALCN CD CLK CU IN JMP JMPC JMPCN LD LDN ORN PT PV R R1 RET RETC RETCN S S1 ST STN XORN
#SFC_qualifiers D DS L N P #R #S SD SL
     NOTE: R and S are identical to IL operators!!
#Task_initialisers PRIORITY SINGLE INTERVAL
*)



(* a helper program *)
PROGRAM bar000
VAR_INPUT
  a_1 : BOOL;
END_VAR
VAR_OUTPUT
  b_1 : BOOL;
END_VAR
  a_1 := TRUE;
END_PROGRAM


 (* using in program parameter *)
CONFIGURATION XXXX
 TASK fast(PRIORITY := 4);
 PROGRAM foo WITH fast:
       bar000(a_1 := TRUE);
END_CONFIGURATION



(* Checking whether the use of XXXX will confuse any other
 * normal and correct IL or ST code.
 *)
{#include "basic_code.test" }