1 (* Test whether the keyword XXXX may be used as an identifier for:

     2  * CONFIGURATION identifier

     3  *

     4  * The XXXX names in the following code are merely a placeholder.

     5  * They will be replaced by several identifiers before actual testing

     6  * of the compiler.

     7  *)

     8 

     9 (* The identifiers that will replace the XXXX

    10  * must be placed on a line starting with #

    11  * All identifiers preceded by # are ignored!

    12  * The identifier list must be placed inside an IEC 61131-3 comment.

    13  *)

    14 (*

    15 #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

    16 #SFC_qualifiers D DS L N P #R #S SD SL

    17      NOTE: R and S are identical to IL operators!!

    18 #Task_initialisers PRIORITY SINGLE INTERVAL

    19 *)

    20 

    21 

    22 

    23 (* a helper program *)

    24 PROGRAM bar000

    25 VAR_INPUT

    26   a_1 : BOOL;

    27 END_VAR

    28 VAR_OUTPUT

    29   b_1 : BOOL;

    30 END_VAR

    31   a_1 := TRUE;

    32 END_PROGRAM

    33 

    34 

    35  (* using in program parameter *)

    36 CONFIGURATION XXXX

    37  TASK fast(PRIORITY := 4);

    38  PROGRAM foo WITH fast:

    39        bar000(a_1 := TRUE);

    40 END_CONFIGURATION

    41 

    42 

    43 

    44 (* Checking whether the use of XXXX will confuse any other

    45  * normal and correct IL or ST code.

    46  *)

    47 {#include "basic_code.test" }

    48