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