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(* m2convert.def definition module for m2convert.cc.
Copyright (C) 2011-2025 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 FOR "C" m2convert ;
FROM gcctypes IMPORT location_t, tree ;
(*
ToWord - converts an expression (Integer or Ordinal type) into
a WORD.
*)
PROCEDURE ToWord (location: location_t; expr: tree) : tree ;
(*
ToCardinal - convert an expression, expr, to a CARDINAL.
*)
PROCEDURE ToCardinal (location: location_t; expr: tree) : tree ;
(*
ToInteger - convert an expression, expr, to an INTEGER.
*)
PROCEDURE ToInteger (location: location_t; expr: tree) : tree ;
(*
ToBitset - convert an expression, expr, to a BITSET.
*)
PROCEDURE ToBitset (location: location_t; expr: tree) : tree ;
(*
ConvertToPtr - convert an expression to a void *.
*)
PROCEDURE ConvertToPtr (p: tree) : tree ;
(*
BuildConvert - build and return tree VAL(type, value)
checkOverflow determines whether we
should suppress overflow checking.
*)
PROCEDURE BuildConvert (location: location_t; type: tree; value: tree; checkOverflow: BOOLEAN) : tree ;
(*
ConvertConstantAndCheck - in Modula-2 sementics: return( VAL(type, expr) )
Only to be used for a constant expr,
overflow checking is performed.
*)
PROCEDURE ConvertConstantAndCheck (location: location_t; type: tree; expr: tree) : tree ;
(*
ConvertString - converts string, expr, into a string of type, type.
*)
PROCEDURE ConvertString (type, expr: tree) : tree ;
(*
GenericToType - converts, expr, into, type, providing that expr is
a generic system type (byte, word etc). Otherwise
expr is returned unaltered.
*)
PROCEDURE GenericToType (location: location_t; type, expr: tree) : tree ;
END m2convert.
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