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