freepascal.compiler/compiler/jvm/njvmutil.pas

{
    Copyright (c) 20011 by Jonas Maebe

    JVM version of some node tree helper routines

    This program 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 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.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 ****************************************************************************
}
unit njvmutil;

{$i fpcdefs.inc}

interface

  uses
    node,
    ngenutil;


  type
    tjvmnodeutils = class(tnodeutils)
      class function initialize_data_node(p:tnode):tnode; override;
      class function finalize_data_node(p:tnode):tnode; override;
    end;


implementation

    uses
      verbose,constexp,
      symconst,symtype,symdef,symsym,symbase,symtable,defutil,
      nbas,ncnv,ncon,nld,
      pass_1;

  class function tjvmnodeutils.initialize_data_node(p:tnode):tnode;
    begin
      if not assigned(p.resultdef) then
        typecheckpass(p);
      if ((p.resultdef.typ=stringdef) and
          not is_shortstring(p.resultdef) and
          not is_longstring(p.resultdef)) or
         is_dynamic_array(p.resultdef) then
        begin
          result:=cassignmentnode.create(
             ctypeconvnode.create_internal(p,voidpointertype),
             cnilnode.create
             );
        end
      else
        { records/arrays/... are automatically initialised }
        result:=cnothingnode.create;
    end;


  class function tjvmnodeutils.finalize_data_node(p:tnode):tnode;
    begin
      // do nothing
      result:=cnothingnode.create;
    end;

begin
  cnodeutils:=tjvmnodeutils;
end.