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

     2  * IL label name/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 

    16 #IL_operators #LD #LDN #ORN #PT #PV #R #R1 #RET #RETC #RETCN #S #S1 #ST #STN #XORN

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

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

    19 #Task_initialisers PRIORITY SINGLE INTERVAL

    20 *)

    21 

    22 (* NOTE: Currently the matiec compiler does not yet support

    23  *       the use of identifiers identical to IL operators

    24  *       in IL code. In ther words, in IL code we cannot use 

    25  *       identifiers identical to IL operators to identify variables,

    26  *       functions, etc...

    27  *       Identifiers identical to IL operators are therefore

    28  *       commented out.

    29  *)

    30 

    31 

    32 

    33 

    34 

    35 function foo : int

    36  var

    37   e, f : bool;

    38  end_var

    39 

    40  XXXX: R e

    41   JMP XXXX

    42 end_function

    43 

    44 

    45 

    46 function bar : int

    47  var

    48   e, f : bool;

    49  end_var

    50 

    51   JMP XXXX

    52  XXXX: R e

    53 end_function

    54 

    55 

    56 

    57 

    58 

    59 

    60 

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

    62  * normal and correct IL or ST code.

    63  *)

    64 {#include "basic_code.test" }

    65