(* M2SymInit.def records initialization state for variables.

Copyright (C) 2001-2024 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.

This file is part of GNU Modula-2.

GNU Modula-2 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.

GNU Modula-2 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.

You should have received a copy of the GNU General Public License
along with GNU Modula-2; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  *)

DEFINITION MODULE M2SymInit ;

FROM Lists IMPORT List ;

TYPE
   InitDesc ;


PROCEDURE InitSymInit () : InitDesc ;
PROCEDURE KillSymInit (VAR desc: InitDesc) ;


PROCEDURE ConfigSymInit (desc: InitDesc; sym: CARDINAL) ;


PROCEDURE SetInitialized (desc: InitDesc) ;
PROCEDURE GetInitialized (desc: InitDesc) : BOOLEAN ;


PROCEDURE GetFieldDesc (desc: InitDesc; field: CARDINAL) : InitDesc ;

PROCEDURE SetFieldInitialized (desc: InitDesc; fieldlist: List) : BOOLEAN ;
PROCEDURE GetFieldInitialized (desc: InitDesc; fieldlist: List) : BOOLEAN ;


(*
   ScopeBlockVariableAnalysis - checks to see whether a variable is
                                read before it has been initialized.
*)

PROCEDURE ScopeBlockVariableAnalysis (Scope: CARDINAL; Start, End: CARDINAL) ;


PROCEDURE PrintSymInit (desc: InitDesc) ;


END M2SymInit.
