/usr/share/fpcsrc/2.6.2/compiler/ncgobjc.pas is in fpc-source-2.6.2 2.6.2-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (c) 2009 by Jonas Maebe
This unit implements code generator support for Objective-C nodes
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 ncgobjc;
{$i fpcdefs.inc}
interface
uses
nobjc;
type
tcgobjcselectornode = class(tobjcselectornode)
procedure pass_generate_code; override;
end;
tcgobjcprotocolnode = class(tobjcprotocolnode)
procedure pass_generate_code; override;
end;
implementation
uses
globtype,cclasses,
aasmbase,aasmdata,aasmtai,
cgbase,cgutils,defutil,objcgutl,
symconst,symsym,symdef,
node,nld,ncon,
verbose;
{*****************************************************************************
TCGOBJCSELECTORNODE
*****************************************************************************}
procedure tcgobjcselectornode.pass_generate_code;
var
pool : THashSet;
entry : PHashSetItem;
name : pshortstring;
begin
if current_asmdata.ConstPools[sp_varnamerefs]=nil then
current_asmdata.ConstPools[sp_varnamerefs]:=THashSet.Create(64, True, False);
pool:=current_asmdata.ConstPools[sp_varnamerefs];
case left.nodetype of
loadn:
begin
if (tloadnode(left).symtableentry.typ<>procsym) then
internalerror(2009051602);
if (tprocsym(tloadnode(left).symtableentry).procdeflist.count<>1) then
internalerror(2009051701);
name:=tprocdef(tprocsym(tloadnode(left).symtableentry).procdeflist[0]).messageinf.str;
entry:=pool.FindOrAdd(@name^[1],length(name^))
end;
stringconstn:
begin
entry:=pool.FindOrAdd(tstringconstnode(left).value_str,tstringconstnode(left).len);
end;
else
internalerror(2009030701);
end;
objcfinishstringrefpoolentry(entry,sp_objcvarnames,sec_objc_message_refs,sec_objc_meth_var_names);
location_reset_ref(location,LOC_CREFERENCE,def_cgsize(resultdef),sizeof(pint));
location.reference.symbol:=tasmlabel(entry^.Data);
end;
{*****************************************************************************
TCGOBJCPROTOCOLNODE
*****************************************************************************}
procedure tcgobjcprotocolnode.pass_generate_code;
begin
{ first needs support for writing class definitions }
internalerror(2009072601);
end;
begin
cobjcselectornode:=tcgobjcselectornode;
cobjcprotocolnode:=tcgobjcprotocolnode;
end.
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