Introducing the search_il_operand_type files in the absyntax_utils folder.
The Makefile from absyntax_utils folder and the generate_c_il.cc from the stage4/generate_c
folder was also modified to work with the new search_il_operand_type file.
(*
* (c) 26 Feb 2001 David Campbell
*
* Offered to the public under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* This code is made available on the understanding that it will not be
* used in safety-critical situations without a full and competent review.
*)
(*
* An IEC 61131-3 IL and ST compiler.
*
* Based on the
* FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
*
*)
(*
* This is part of the library conatining the functions
* and function blocks defined in the standard.
*
* SR and RS function blocks
* -------------------------
*)
FUNCTION_BLOCK SR
VAR_INPUT
S1 : BOOL;
R : BOOL;
END_VAR
VAR_OUTPUT
Q1 : BOOL;
END_VAR
VAR
Q_INTERNAL : BOOL;
END_VAR
Q_INTERNAL := S1 OR ( Q_INTERNAL AND (NOT R));
Q1 := Q_INTERNAL;
END_FUNCTION_BLOCK
FUNCTION_BLOCK RS
VAR_INPUT
S : BOOL;
R1 : BOOL;
END_VAR
VAR_OUTPUT
Q1 : BOOL;
END_VAR
VAR
Q_INTERNAL : BOOL;
END_VAR
Q_INTERNAL := (NOT R1) AND (S OR Q_INTERNAL);
Q1 := Q_INTERNAL;
END_FUNCTION_BLOCK