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{
Copyright (c) 1998-2002 by Peter Vreman
This unit implements an uniform import object
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 import;
{$i fpcdefs.inc}
interface
uses
cutils,cclasses,
systems,
aasmbase,
symdef,symsym;
type
timportlib=class
private
notsupmsg : boolean;
procedure NotSupported;
public
constructor Create;virtual;
destructor Destroy;override;
procedure generatelib;virtual;
end;
TDLLScanner=class
function Scan(const binname:string):boolean;virtual;abstract;
end;
TImportLibClass=class of TImportLib;
TDLLScannerClass=class of TDLLScanner;
var
CImportLib : array[tsystem] of TImportLibClass;
CDLLScanner : array[tsystem] of TDLLScannerClass;
ImportLib : TImportLib;
procedure RegisterImport(t:tsystem;c:TImportLibClass);
procedure RegisterDLLScanner(t:tsystem;c:TDLLScannerClass);
procedure InitImport;
procedure DoneImport;
implementation
uses
verbose,globals;
{****************************************************************************
TImportLib
****************************************************************************}
constructor timportlib.Create;
begin
notsupmsg:=false;
end;
destructor timportlib.Destroy;
begin
end;
procedure timportlib.NotSupported;
begin
{ show the message only once }
if not notsupmsg then
begin
Message(exec_e_dll_not_supported);
notsupmsg:=true;
end;
end;
procedure timportlib.generatelib;
begin
NotSupported;
end;
{*****************************************************************************
Init/Done
*****************************************************************************}
procedure RegisterImport(t:tsystem;c:TImportLibClass);
begin
CImportLib[t]:=c;
end;
procedure RegisterDLLScanner(t:tsystem;c:TDLLScannerClass);
begin
CDLLScanner[t]:=c;
end;
procedure InitImport;
begin
if assigned(CImportLib[target_info.system]) then
importlib:=CImportLib[target_info.system].Create
else
importlib:=TImportLib.Create;
end;
procedure DoneImport;
begin
if assigned(importlib) then
importlib.free;
end;
end.
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