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131 lines
2.9 KiB
ObjectPascal
131 lines
2.9 KiB
ObjectPascal
{
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Copyright (c) 1998-2002 by Peter Vreman
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This unit implements an uniform import object
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************}
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unit import;
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{$i fpcdefs.inc}
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interface
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uses
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cutils,cclasses,
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systems,
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aasmbase,
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symdef,symsym;
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type
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timportlib=class
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private
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notsupmsg : boolean;
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procedure NotSupported;
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public
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constructor Create;virtual;
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destructor Destroy;override;
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procedure generatelib;virtual;
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end;
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TDLLScanner=class
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function Scan(const binname:string):boolean;virtual;abstract;
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end;
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TImportLibClass=class of TImportLib;
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TDLLScannerClass=class of TDLLScanner;
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var
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CImportLib : array[tsystem] of TImportLibClass;
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CDLLScanner : array[tsystem] of TDLLScannerClass;
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ImportLib : TImportLib;
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procedure RegisterImport(t:tsystem;c:TImportLibClass);
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procedure RegisterDLLScanner(t:tsystem;c:TDLLScannerClass);
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procedure InitImport;
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procedure DoneImport;
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implementation
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uses
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verbose,globals;
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{****************************************************************************
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TImportLib
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****************************************************************************}
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constructor timportlib.Create;
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begin
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notsupmsg:=false;
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end;
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destructor timportlib.Destroy;
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begin
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end;
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procedure timportlib.NotSupported;
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begin
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{ show the message only once }
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if not notsupmsg then
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begin
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Message(exec_e_dll_not_supported);
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notsupmsg:=true;
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end;
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end;
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procedure timportlib.generatelib;
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begin
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NotSupported;
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end;
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{*****************************************************************************
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Init/Done
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*****************************************************************************}
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procedure RegisterImport(t:tsystem;c:TImportLibClass);
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begin
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CImportLib[t]:=c;
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end;
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procedure RegisterDLLScanner(t:tsystem;c:TDLLScannerClass);
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begin
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CDLLScanner[t]:=c;
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end;
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procedure InitImport;
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begin
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if assigned(CImportLib[target_info.system]) then
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importlib:=CImportLib[target_info.system].Create
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else
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importlib:=TImportLib.Create;
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end;
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procedure DoneImport;
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begin
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if assigned(importlib) then
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importlib.free;
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end;
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end.
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