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108 lines
2.8 KiB
ObjectPascal
108 lines
2.8 KiB
ObjectPascal
{
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Copyright (c) 1998-2003 by Peter Vreman, Florian Klaempfl and Carl Eric Codere
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Basic stuff for assembler readers
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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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}
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unit rabase;
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{$i fpcdefs.inc}
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interface
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uses
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cclasses,
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systems;
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type
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tbaseasmreader = class
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constructor create;virtual;
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{ the real return type is TAsmList, but this would introduce too much unit circles }
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function Assemble: tlinkedlist;virtual;abstract;
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end;
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tcbaseasmreader = class of tbaseasmreader;
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pasmmodeinfo = ^tasmmodeinfo;
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tasmmodeinfo = record
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id : tasmmode;
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idtxt : string[12];
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casmreader : tcbaseasmreader;
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end;
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var
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asmmodeinfos : array[tasmmode] of pasmmodeinfo;
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function SetAsmReadMode(const s:string;var t:tasmmode):boolean;
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procedure RegisterAsmMode(const r:tasmmodeinfo);
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implementation
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uses
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cutils;
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procedure RegisterAsmmode(const r:tasmmodeinfo);
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var
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t : tasmmode;
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begin
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t:=r.id;
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if assigned(asmmodeinfos[t]) then
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writeln('Warning: Asmmode is already registered!')
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else
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new(asmmodeinfos[t]);
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asmmodeinfos[t]^:=r;
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end;
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function SetAsmReadMode(const s:string;var t:tasmmode):boolean;
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var
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hs : string;
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ht : tasmmode;
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begin
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result:=false;
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hs:=upper(s);
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{ Support Default as an alias for Standard }
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if hs='DEFAULT' then
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hs:='STANDARD';
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for ht:=low(tasmmode) to high(tasmmode) do
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if assigned(asmmodeinfos[ht]) and
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(asmmodeinfos[ht]^.idtxt=hs) then
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begin
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t:=asmmodeinfos[ht]^.id;
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result:=true;
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end;
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end;
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constructor tbaseasmreader.create;
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begin
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inherited create;
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end;
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var
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asmmode : tasmmode;
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finalization
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for asmmode:=low(tasmmode) to high(tasmmode) do
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if assigned(asmmodeinfos[asmmode]) then
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begin
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dispose(asmmodeinfos[asmmode]);
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asmmodeinfos[asmmode]:=nil;
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end;
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end.
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