mirror of
				https://gitlab.com/freepascal.org/fpc/source.git
				synced 2025-10-31 11:31:39 +01:00 
			
		
		
		
	 b178b08ba7
			
		
	
	
		b178b08ba7
		
	
	
	
	
		
			
			http://svn.freepascal.org/svn/fpc/branches/unicodestring ........ r11665 | florian | 2008-08-30 13:30:17 +0200 (Sat, 30 Aug 2008) | 1 line * continued to work on unicodestring type support ........ r11666 | florian | 2008-08-30 19:02:26 +0200 (Sat, 30 Aug 2008) | 2 lines * expectloc for wide/ansi/unicode strings is LOC_CONSTANT or LOC_REGISTER now ........ r11667 | florian | 2008-08-30 20:42:37 +0200 (Sat, 30 Aug 2008) | 1 line * more unicodestring stuff fixed, test results on win32 are already good ........ r11670 | florian | 2008-08-30 23:21:48 +0200 (Sat, 30 Aug 2008) | 2 lines * first fixes for unix bootstrapping ........ r11683 | ivost | 2008-09-01 12:46:39 +0200 (Mon, 01 Sep 2008) | 2 lines * fixed 64bit bug in iconvenc.pas ........ r11689 | florian | 2008-09-01 23:12:34 +0200 (Mon, 01 Sep 2008) | 1 line * fixed several errors when building on unix ........ r11694 | florian | 2008-09-03 20:32:43 +0200 (Wed, 03 Sep 2008) | 1 line * fixed unix compilation ........ r11695 | florian | 2008-09-03 21:01:04 +0200 (Wed, 03 Sep 2008) | 1 line * bootstrapping fix ........ r11696 | florian | 2008-09-03 21:07:18 +0200 (Wed, 03 Sep 2008) | 1 line * more bootstrapping fixed ........ r11698 | florian | 2008-09-03 22:47:54 +0200 (Wed, 03 Sep 2008) | 1 line + two missing compiler procs exported ........ r11701 | florian | 2008-09-04 16:42:34 +0200 (Thu, 04 Sep 2008) | 2 lines + lazarus project for the linux rtl ........ r11702 | florian | 2008-09-04 16:43:27 +0200 (Thu, 04 Sep 2008) | 2 lines + set unicode string procedures ........ r11707 | florian | 2008-09-04 23:23:02 +0200 (Thu, 04 Sep 2008) | 2 lines * fixed several type casting stuff ........ r11712 | florian | 2008-09-05 22:46:03 +0200 (Fri, 05 Sep 2008) | 1 line * fixed unicodestring compilation on windows after recent unix changes ........ r11713 | florian | 2008-09-05 23:35:12 +0200 (Fri, 05 Sep 2008) | 1 line + UnicodeString support for Variants ........ r11715 | florian | 2008-09-06 20:59:54 +0200 (Sat, 06 Sep 2008) | 1 line * patch by Martin Schreiber for UnicodeString streaming ........ r11716 | florian | 2008-09-06 22:22:55 +0200 (Sat, 06 Sep 2008) | 2 lines * fixed test ........ r11717 | florian | 2008-09-07 10:25:51 +0200 (Sun, 07 Sep 2008) | 1 line * fixed typo when converting tunicodestring to punicodechar ........ r11718 | florian | 2008-09-07 11:29:52 +0200 (Sun, 07 Sep 2008) | 3 lines * fixed writing of UnicodeString properties * moved some helper routines to unicode headers ........ r11734 | florian | 2008-09-09 22:38:55 +0200 (Tue, 09 Sep 2008) | 1 line * fixed bootstrapping ........ r11735 | florian | 2008-09-10 11:25:28 +0200 (Wed, 10 Sep 2008) | 2 lines * first fixes for persisten unicodestrings ........ r11736 | florian | 2008-09-10 14:31:00 +0200 (Wed, 10 Sep 2008) | 3 lines Initialized merge tracking via "svnmerge" with revisions "1-11663" from http://svn.freepascal.org/svn/fpc/trunk ........ r11737 | florian | 2008-09-10 21:06:57 +0200 (Wed, 10 Sep 2008) | 3 lines * fixed unicodestring <-> variant handling * fixed unicodestring property reading ........ git-svn-id: trunk@11739 -
		
			
				
	
	
		
			1169 lines
		
	
	
		
			47 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			1169 lines
		
	
	
		
			47 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
| {
 | |
|     Copyright (c) 1998-2002 by Florian Klaempfl
 | |
| 
 | |
|     Routines for the code generation of RTTI data structures
 | |
| 
 | |
|     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 ncgrtti;
 | |
| 
 | |
| {$i fpcdefs.inc}
 | |
| 
 | |
| interface
 | |
| 
 | |
|     uses
 | |
|       cclasses,constexp,
 | |
|       aasmbase,
 | |
|       symbase,symconst,symtype,symdef;
 | |
| 
 | |
|     type
 | |
| 
 | |
|       { TRTTIWriter }
 | |
| 
 | |
|       TRTTIWriter=class
 | |
|       private
 | |
|         function  fields_count(st:tsymtable;rt:trttitype):longint;
 | |
|         procedure fields_write_rtti(st:tsymtable;rt:trttitype);
 | |
|         procedure fields_write_rtti_data(st:tsymtable;rt:trttitype);
 | |
|         procedure write_rtti_extrasyms(def:Tdef;rt:Trttitype;mainrtti:Tasmsymbol);
 | |
|         procedure published_write_rtti(st:tsymtable;rt:trttitype);
 | |
|         function  published_properties_count(st:tsymtable):longint;
 | |
|         procedure published_properties_write_rtti_data(propnamelist:TFPHashObjectList;st:tsymtable);
 | |
|         procedure collect_propnamelist(propnamelist:TFPHashObjectList;objdef:tobjectdef);
 | |
|         procedure write_rtti_name(def:tdef);
 | |
|         procedure write_rtti_data(def:tdef;rt:trttitype);
 | |
|         procedure write_child_rtti_data(def:tdef;rt:trttitype);
 | |
|         function  ref_rtti(def:tdef;rt:trttitype):tasmsymbol;
 | |
|       public
 | |
|         procedure write_rtti(def:tdef;rt:trttitype);
 | |
|         function  get_rtti_label(def:tdef;rt:trttitype):tasmsymbol;
 | |
|         function  get_rtti_label_ord2str(def:tdef;rt:trttitype):tasmsymbol;
 | |
|         function  get_rtti_label_str2ord(def:tdef;rt:trttitype):tasmsymbol;
 | |
|       end;
 | |
| 
 | |
|     var
 | |
|       RTTIWriter : TRTTIWriter;
 | |
| 
 | |
| 
 | |
| implementation
 | |
| 
 | |
|     uses
 | |
|        cutils,
 | |
|        globals,globtype,verbose,systems,
 | |
|        fmodule,
 | |
|        symsym,
 | |
|        aasmtai,aasmdata
 | |
|        ;
 | |
| 
 | |
| 
 | |
|     const
 | |
|        rttidefstate : array[trttitype] of tdefstate = (ds_rtti_table_written,ds_init_table_written);
 | |
| 
 | |
|     type
 | |
|        TPropNameListItem = class(TFPHashObject)
 | |
|          propindex : longint;
 | |
|          propowner : TSymtable;
 | |
|        end;
 | |
| 
 | |
| 
 | |
| {***************************************************************************
 | |
|                               TRTTIWriter
 | |
| ***************************************************************************}
 | |
| 
 | |
|     procedure TRTTIWriter.write_rtti_name(def:tdef);
 | |
|       var
 | |
|          hs : string;
 | |
|       begin
 | |
|          { name }
 | |
|          if assigned(def.typesym) then
 | |
|            begin
 | |
|               hs:=ttypesym(def.typesym).realname;
 | |
|               current_asmdata.asmlists[al_rtti].concat(Tai_string.Create(chr(length(hs))+hs));
 | |
|            end
 | |
|          else
 | |
|            current_asmdata.asmlists[al_rtti].concat(Tai_string.Create(#0));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     function TRTTIWriter.fields_count(st:tsymtable;rt:trttitype):longint;
 | |
|       var
 | |
|         i   : longint;
 | |
|         sym : tsym;
 | |
|       begin
 | |
|         result:=0;
 | |
|         for i:=0 to st.SymList.Count-1 do
 | |
|           begin
 | |
|             sym:=tsym(st.SymList[i]);
 | |
|             if (rt=fullrtti) or
 | |
|                (
 | |
|                 (tsym(sym).typ=fieldvarsym) and
 | |
|                 tfieldvarsym(sym).vardef.needs_inittable
 | |
|                ) then
 | |
|               inc(result);
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TRTTIWriter.fields_write_rtti_data(st:tsymtable;rt:trttitype);
 | |
|       var
 | |
|         i   : longint;
 | |
|         sym : tsym;
 | |
|       begin
 | |
|         for i:=0 to st.SymList.Count-1 do
 | |
|           begin
 | |
|             sym:=tsym(st.SymList[i]);
 | |
|             if (rt=fullrtti) or
 | |
|                (
 | |
|                 (tsym(sym).typ=fieldvarsym) and
 | |
|                 tfieldvarsym(sym).vardef.needs_inittable
 | |
|                ) then
 | |
|               begin
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_sym(ref_rtti(tfieldvarsym(sym).vardef,rt)));
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_32bit(tfieldvarsym(sym).fieldoffset));
 | |
|               end;
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TRTTIWriter.fields_write_rtti(st:tsymtable;rt:trttitype);
 | |
|       var
 | |
|         i   : longint;
 | |
|         sym : tsym;
 | |
|       begin
 | |
|         for i:=0 to st.SymList.Count-1 do
 | |
|           begin
 | |
|             sym:=tsym(st.SymList[i]);
 | |
|             if (rt=fullrtti) or
 | |
|                (
 | |
|                 (tsym(sym).typ=fieldvarsym) and
 | |
|                 tfieldvarsym(sym).vardef.needs_inittable
 | |
|                ) then
 | |
|               write_rtti(tfieldvarsym(sym).vardef,rt);
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TRTTIWriter.published_write_rtti(st:tsymtable;rt:trttitype);
 | |
|       var
 | |
|         i   : longint;
 | |
|         sym : tsym;
 | |
|       begin
 | |
|         for i:=0 to st.SymList.Count-1 do
 | |
|           begin
 | |
|             sym:=tsym(st.SymList[i]);
 | |
|             if (sp_published in tsym(sym).symoptions) then
 | |
|               begin
 | |
|                 case tsym(sym).typ of
 | |
|                   propertysym:
 | |
|                     write_rtti(tpropertysym(sym).propdef,rt);
 | |
|                   fieldvarsym:
 | |
|                     write_rtti(tfieldvarsym(sym).vardef,rt);
 | |
|                 end;
 | |
|               end;
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     function TRTTIWriter.published_properties_count(st:tsymtable):longint;
 | |
|       var
 | |
|         i   : longint;
 | |
|         sym : tsym;
 | |
|       begin
 | |
|         result:=0;
 | |
|         for i:=0 to st.SymList.Count-1 do
 | |
|           begin
 | |
|             sym:=tsym(st.SymList[i]);
 | |
|             if (tsym(sym).typ=propertysym) and
 | |
|                (sp_published in tsym(sym).symoptions) then
 | |
|               inc(result);
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TRTTIWriter.collect_propnamelist(propnamelist:TFPHashObjectList;objdef:tobjectdef);
 | |
|       var
 | |
|         i   : longint;
 | |
|         sym : tsym;
 | |
|         pn  : tpropnamelistitem;
 | |
|       begin
 | |
|         if assigned(objdef.childof) then
 | |
|           collect_propnamelist(propnamelist,objdef.childof);
 | |
|         for i:=0 to objdef.symtable.SymList.Count-1 do
 | |
|           begin
 | |
|             sym:=tsym(objdef.symtable.SymList[i]);
 | |
|             if (tsym(sym).typ=propertysym) and
 | |
|                (sp_published in tsym(sym).symoptions) then
 | |
|               begin
 | |
|                 pn:=TPropNameListItem(propnamelist.Find(tsym(sym).name));
 | |
|                 if not assigned(pn) then
 | |
|                   begin
 | |
|                      pn:=tpropnamelistitem.create(propnamelist,tsym(sym).name);
 | |
|                      pn.propindex:=propnamelist.count-1;
 | |
|                      pn.propowner:=tsym(sym).owner;
 | |
|                   end;
 | |
|              end;
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TRTTIWriter.published_properties_write_rtti_data(propnamelist:TFPHashObjectList;st:tsymtable);
 | |
|       var
 | |
|         i : longint;
 | |
|         sym : tsym;
 | |
|         proctypesinfo : byte;
 | |
|         propnameitem  : tpropnamelistitem;
 | |
| 
 | |
|         procedure writeaccessproc(pap:tpropaccesslisttypes; shiftvalue : byte; unsetvalue: byte);
 | |
|         var
 | |
|            typvalue : byte;
 | |
|            hp : ppropaccesslistitem;
 | |
|            address,space : longint;
 | |
|            def : tdef;
 | |
|            hpropsym : tpropertysym;
 | |
|            propaccesslist : tpropaccesslist;
 | |
|         begin
 | |
|            hpropsym:=tpropertysym(sym);
 | |
|            repeat
 | |
|              propaccesslist:=hpropsym.propaccesslist[pap];
 | |
|              if not propaccesslist.empty then
 | |
|                break;
 | |
|              hpropsym:=hpropsym.overridenpropsym;
 | |
|            until not assigned(hpropsym);
 | |
|            if not(assigned(propaccesslist) and assigned(propaccesslist.firstsym))  then
 | |
|              begin
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.create(aitconst_ptr,unsetvalue));
 | |
|                 typvalue:=3;
 | |
|              end
 | |
|            else if propaccesslist.firstsym^.sym.typ=fieldvarsym then
 | |
|              begin
 | |
|                 address:=0;
 | |
|                 hp:=propaccesslist.firstsym;
 | |
|                 def:=nil;
 | |
|                 while assigned(hp) do
 | |
|                   begin
 | |
|                      case hp^.sltype of
 | |
|                        sl_load :
 | |
|                          begin
 | |
|                            def:=tfieldvarsym(hp^.sym).vardef;
 | |
|                            inc(address,tfieldvarsym(hp^.sym).fieldoffset);
 | |
|                          end;
 | |
|                        sl_subscript :
 | |
|                          begin
 | |
|                            if not(assigned(def) and (def.typ=recorddef)) then
 | |
|                              internalerror(200402171);
 | |
|                            inc(address,tfieldvarsym(hp^.sym).fieldoffset);
 | |
|                            def:=tfieldvarsym(hp^.sym).vardef;
 | |
|                          end;
 | |
|                        sl_vec :
 | |
|                          begin
 | |
|                            if not(assigned(def) and (def.typ=arraydef)) then
 | |
|                              internalerror(200402172);
 | |
|                            def:=tarraydef(def).elementdef;
 | |
|                            {Hp.value is a Tconstexprint, which can be rather large,
 | |
|                             sanity check for longint overflow.}
 | |
|                            space:=(high(address)-address) div def.size;
 | |
|                            if int64(space)<hp^.value then
 | |
|                              internalerror(200706101);
 | |
|                            inc(address,int64(def.size*hp^.value));
 | |
|                          end;
 | |
|                      end;
 | |
|                      hp:=hp^.next;
 | |
|                   end;
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.create(aitconst_ptr,address));
 | |
|                 typvalue:=0;
 | |
|              end
 | |
|            else
 | |
|              begin
 | |
|                 { When there was an error then procdef is not assigned }
 | |
|                 if not assigned(propaccesslist.procdef) then
 | |
|                   exit;
 | |
|                 if not(po_virtualmethod in tprocdef(propaccesslist.procdef).procoptions) then
 | |
|                   begin
 | |
|                      current_asmdata.asmlists[al_rtti].concat(Tai_const.createname(tprocdef(propaccesslist.procdef).mangledname,0));
 | |
|                      typvalue:=1;
 | |
|                   end
 | |
|                 else
 | |
|                   begin
 | |
|                      { virtual method, write vmt offset }
 | |
|                      current_asmdata.asmlists[al_rtti].concat(Tai_const.create(aitconst_ptr,
 | |
|                        tprocdef(propaccesslist.procdef)._class.vmtmethodoffset(tprocdef(propaccesslist.procdef).extnumber)));
 | |
|                      typvalue:=2;
 | |
|                   end;
 | |
|              end;
 | |
|            proctypesinfo:=proctypesinfo or (typvalue shl shiftvalue);
 | |
|         end;
 | |
| 
 | |
|       begin
 | |
|         for i:=0 to st.SymList.Count-1 do
 | |
|           begin
 | |
|             sym:=tsym(st.SymList[i]);
 | |
|             if (sym.typ=propertysym) and
 | |
|                (sp_published in sym.symoptions) then
 | |
|               begin
 | |
|                 if ppo_indexed in tpropertysym(sym).propoptions then
 | |
|                   proctypesinfo:=$40
 | |
|                 else
 | |
|                   proctypesinfo:=0;
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_sym(ref_rtti(tpropertysym(sym).propdef,fullrtti)));
 | |
|                 writeaccessproc(palt_read,0,0);
 | |
|                 writeaccessproc(palt_write,2,0);
 | |
|                 { is it stored ? }
 | |
|                 if not(ppo_stored in tpropertysym(sym).propoptions) then
 | |
|                   begin
 | |
|                     { no, so put a constant zero }
 | |
|                     current_asmdata.asmlists[al_rtti].concat(Tai_const.create(aitconst_ptr,0));
 | |
|                     proctypesinfo:=proctypesinfo or (3 shl 4);
 | |
|                   end
 | |
|                 else
 | |
|                   writeaccessproc(palt_stored,4,1); { maybe; if no procedure put a constant 1 (=true) }
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_32bit(tpropertysym(sym).index));
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_32bit(tpropertysym(sym).default));
 | |
|                 propnameitem:=TPropNameListItem(propnamelist.Find(tpropertysym(sym).name));
 | |
|                 if not assigned(propnameitem) then
 | |
|                   internalerror(200512201);
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_16bit(propnameitem.propindex));
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(proctypesinfo));
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(length(tpropertysym(sym).realname)));
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_string.Create(tpropertysym(sym).realname));
 | |
|                 if (tf_requires_proper_alignment in target_info.flags) then
 | |
|                   current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|              end;
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TRTTIWriter.write_rtti_data(def:tdef;rt:trttitype);
 | |
| 
 | |
|         procedure unknown_rtti(def:tstoreddef);
 | |
|         begin
 | |
|           current_asmdata.asmlists[al_rtti].concat(tai_const.create_8bit(tkUnknown));
 | |
|           write_rtti_name(def);
 | |
|         end;
 | |
| 
 | |
|         procedure variantdef_rtti(def:tvariantdef);
 | |
|         begin
 | |
|            current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkVariant));
 | |
|         end;
 | |
| 
 | |
|         procedure stringdef_rtti(def:tstringdef);
 | |
|         begin
 | |
|           case def.stringtype of
 | |
|             st_ansistring:
 | |
|               begin
 | |
|                  current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkAString));
 | |
|                  write_rtti_name(def);
 | |
|               end;
 | |
|             st_widestring:
 | |
|               begin
 | |
|                  current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkWString));
 | |
|                  write_rtti_name(def);
 | |
|               end;
 | |
|             st_unicodestring:
 | |
|               begin
 | |
|                  current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkUString));
 | |
|                  write_rtti_name(def);
 | |
|               end;
 | |
|             st_longstring:
 | |
|               begin
 | |
|                  current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkLString));
 | |
|                  write_rtti_name(def);
 | |
|               end;
 | |
|             st_shortstring:
 | |
|               begin
 | |
|                  current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkSString));
 | |
|                  write_rtti_name(def);
 | |
|                  current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(def.len));
 | |
|                  if (tf_requires_proper_alignment in target_info.flags) then
 | |
|                    current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|               end;
 | |
|           end;
 | |
|         end;
 | |
| 
 | |
|         procedure enumdef_rtti(def:tenumdef);
 | |
|         var
 | |
|            hp : tenumsym;
 | |
|         begin
 | |
|           current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkEnumeration));
 | |
|           write_rtti_name(def);
 | |
|           if (tf_requires_proper_alignment in target_info.flags) then
 | |
|             current_asmdata.asmlists[al_rtti].concat(Cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|           case longint(def.size) of
 | |
|             1 :
 | |
|               current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(otUByte));
 | |
|             2 :
 | |
|               current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(otUWord));
 | |
|             4 :
 | |
|               current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(otULong));
 | |
|           end;
 | |
|           if (tf_requires_proper_alignment in target_info.flags) then
 | |
|             current_asmdata.asmlists[al_rtti].concat(Cai_align.Create(longint(def.size)));
 | |
|           current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_32bit(def.min));
 | |
|           current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_32bit(def.max));
 | |
|           if (tf_requires_proper_alignment in target_info.flags) then
 | |
|             current_asmdata.asmlists[al_rtti].concat(Cai_align.Create(sizeof(TConstPtrUint)));
 | |
|           if assigned(def.basedef) then
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_sym(ref_rtti(def.basedef,rt)))
 | |
|           else
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.create_sym(nil));
 | |
|           hp:=tenumsym(def.firstenum);
 | |
|           while assigned(hp) do
 | |
|             begin
 | |
|               current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(length(hp.realname)));
 | |
|               current_asmdata.asmlists[al_rtti].concat(Tai_string.Create(hp.realname));
 | |
|               hp:=hp.nextenum;
 | |
|             end;
 | |
|           current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(0));
 | |
|         end;
 | |
| 
 | |
|         procedure orddef_rtti(def:torddef);
 | |
| 
 | |
|           procedure dointeger;
 | |
|           const
 | |
|             trans : array[tordtype] of byte =
 | |
|               (otUByte{otNone},
 | |
|                otUByte,otUWord,otULong,otUByte{otNone},
 | |
|                otSByte,otSWord,otSLong,otUByte{otNone},
 | |
|                otUByte,otSByte,otSWord,otSLong,otSByte,
 | |
|                otUByte,otUWord,otUByte);
 | |
|           begin
 | |
|             write_rtti_name(def);
 | |
|             if (tf_requires_proper_alignment in target_info.flags) then
 | |
|               current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(byte(trans[def.ordtype])));
 | |
|             if (tf_requires_proper_alignment in target_info.flags) then
 | |
|               current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|             {Convert to longint to smuggle values in high(longint)+1..high(cardinal) into asmlist.}
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_32bit(longint(def.low.svalue)));
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_32bit(longint(def.high.svalue)));
 | |
|           end;
 | |
| 
 | |
|         begin
 | |
|           case def.ordtype of
 | |
|             s64bit :
 | |
|               begin
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkInt64));
 | |
|                 write_rtti_name(def);
 | |
|                 if (tf_requires_proper_alignment in target_info.flags) then
 | |
|                   current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|                 { low }
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_64bit(def.low.svalue));
 | |
|                 { high }
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_64bit(def.high.svalue));
 | |
|               end;
 | |
|             u64bit :
 | |
|               begin
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkQWord));
 | |
|                 write_rtti_name(def);
 | |
|                 if (tf_requires_proper_alignment in target_info.flags) then
 | |
|                   current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|                 {use svalue because Create_64bit accepts int64, prevents range checks}
 | |
|                 { low }
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_64bit(def.low.svalue));
 | |
|                 { high }
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_64bit(def.high.svalue));
 | |
|               end;
 | |
|             pasbool:
 | |
|               begin
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkBool));
 | |
|                 dointeger;
 | |
|               end;
 | |
|             uchar:
 | |
|               begin
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkChar));
 | |
|                 dointeger;
 | |
|               end;
 | |
|             uwidechar:
 | |
|               begin
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkWChar));
 | |
|                 dointeger;
 | |
|               end;
 | |
|             scurrency:
 | |
|               begin
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkFloat));
 | |
|                 write_rtti_name(def);
 | |
|                 if (tf_requires_proper_alignment in target_info.flags) then
 | |
|                   current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(ftCurr));
 | |
|               end;
 | |
|             else
 | |
|               begin
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkInteger));
 | |
|                 dointeger;
 | |
|               end;
 | |
|           end;
 | |
|         end;
 | |
| 
 | |
| 
 | |
|         procedure floatdef_rtti(def:tfloatdef);
 | |
|         const
 | |
|           {tfloattype = (s32real,s64real,s80real,s64bit,s128bit);}
 | |
|           translate : array[tfloattype] of byte =
 | |
|              (ftSingle,ftDouble,ftExtended,ftComp,ftCurr,ftFloat128);
 | |
|         begin
 | |
|            current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkFloat));
 | |
|            write_rtti_name(def);
 | |
|            if (tf_requires_proper_alignment in target_info.flags) then
 | |
|              current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|            current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(translate[def.floattype]));
 | |
|         end;
 | |
| 
 | |
| 
 | |
|         procedure setdef_rtti(def:tsetdef);
 | |
|         begin
 | |
|            current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkSet));
 | |
|            write_rtti_name(def);
 | |
|            if (tf_requires_proper_alignment in target_info.flags) then
 | |
|              current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|            case def.size of
 | |
|              1:
 | |
|                current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(otUByte));
 | |
|              2:
 | |
|                current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(otUWord));
 | |
|              4:
 | |
|                current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(otULong));
 | |
|            end;
 | |
|            if (tf_requires_proper_alignment in target_info.flags) then
 | |
|              current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|            current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_sym(ref_rtti(def.elementdef,rt)));
 | |
|         end;
 | |
| 
 | |
| 
 | |
|         procedure arraydef_rtti(def:tarraydef);
 | |
|         begin
 | |
|            if ado_IsDynamicArray in def.arrayoptions then
 | |
|              current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkdynarray))
 | |
|            else
 | |
|              current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkarray));
 | |
|            write_rtti_name(def);
 | |
|            if (tf_requires_proper_alignment in target_info.flags) then
 | |
|              current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|            { size of elements }
 | |
|            current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_pint(def.elesize));
 | |
| 
 | |
|            if not(ado_IsDynamicArray in def.arrayoptions) then
 | |
|              begin
 | |
|                current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_pint(pint(def.elecount)));
 | |
|                { element type }
 | |
|                current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_sym(ref_rtti(def.elementdef,rt)));
 | |
|              end
 | |
|            else
 | |
|              { write a delphi almost compatible dyn. array entry:
 | |
|                there are two types, eltype and eltype2, the latter is nil if the element type needs
 | |
|                no finalization, the former is always valid, delphi has this swapped, but for
 | |
|                compatibility with older fpc versions we do it different, to be delphi compatible,
 | |
|                the names are swapped in typinfo.pp
 | |
|              }
 | |
|              begin
 | |
|                { element type }
 | |
|                current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_sym(ref_rtti(def.elementdef,rt)));
 | |
|              end;
 | |
|            { variant type }
 | |
|            current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_32bit(tstoreddef(def.elementdef).getvardef));
 | |
|            if ado_IsDynamicArray in def.arrayoptions then
 | |
|              begin
 | |
|                { element type }
 | |
|                if def.elementdef.needs_inittable then
 | |
|                  current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_sym(ref_rtti(def.elementdef,rt)))
 | |
|                else
 | |
|                  current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_pint(0));
 | |
|                { dummy DynUnitName }
 | |
|                current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(0));
 | |
|              end;
 | |
|         end;
 | |
| 
 | |
|         procedure recorddef_rtti(def:trecorddef);
 | |
|         var
 | |
|           fieldcnt : longint;
 | |
|         begin
 | |
|            current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkrecord));
 | |
|            write_rtti_name(def);
 | |
|            if (tf_requires_proper_alignment in target_info.flags) then
 | |
|              current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|            current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_32bit(def.size));
 | |
|            fieldcnt:=fields_count(def.symtable,rt);
 | |
|            current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_32bit(fieldcnt));
 | |
|            fields_write_rtti_data(def.symtable,rt);
 | |
|         end;
 | |
| 
 | |
| 
 | |
|         procedure procvardef_rtti(def:tprocvardef);
 | |
| 
 | |
|            procedure write_para(parasym:tparavarsym);
 | |
|            var
 | |
|              paraspec : byte;
 | |
|            begin
 | |
|              { only store user visible parameters }
 | |
|              if not(vo_is_hidden_para in parasym.varoptions) then
 | |
|                begin
 | |
|                  case parasym.varspez of
 | |
|                    vs_value: paraspec := 0;
 | |
|                    vs_const: paraspec := pfConst;
 | |
|                    vs_var  : paraspec := pfVar;
 | |
|                    vs_out  : paraspec := pfOut;
 | |
|                  end;
 | |
|                  { write flags for current parameter }
 | |
|                  current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(paraspec));
 | |
|                  { write name of current parameter }
 | |
|                  current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(length(parasym.realname)));
 | |
|                  current_asmdata.asmlists[al_rtti].concat(Tai_string.Create(parasym.realname));
 | |
|                  { write name of type of current parameter }
 | |
|                  write_rtti_name(parasym.vardef);
 | |
|                end;
 | |
|            end;
 | |
| 
 | |
|         var
 | |
|           methodkind : byte;
 | |
|           i : integer;
 | |
|         begin
 | |
|           if po_methodpointer in def.procoptions then
 | |
|             begin
 | |
|                { write method id and name }
 | |
|                current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkmethod));
 | |
|                write_rtti_name(def);
 | |
|                if (tf_requires_proper_alignment in target_info.flags) then
 | |
|                  current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
| 
 | |
|                { write kind of method (can only be function or procedure)}
 | |
|                if def.returndef = voidtype then
 | |
|                  methodkind := mkProcedure
 | |
|                else
 | |
|                  methodkind := mkFunction;
 | |
|                current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(methodkind));
 | |
| 
 | |
|                { write parameter info. The parameters must be written in reverse order
 | |
|                  if this method uses right to left parameter pushing! }
 | |
|                current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(def.maxparacount));
 | |
|                if def.proccalloption in pushleftright_pocalls then
 | |
|                  begin
 | |
|                    for i:=0 to def.paras.count-1 do
 | |
|                      write_para(tparavarsym(def.paras[i]));
 | |
|                  end
 | |
|                else
 | |
|                  begin
 | |
|                    for i:=def.paras.count-1 downto 0 do
 | |
|                      write_para(tparavarsym(def.paras[i]));
 | |
|                  end;
 | |
| 
 | |
|                { write name of result type }
 | |
|                write_rtti_name(def.returndef);
 | |
|             end
 | |
|           else
 | |
|             begin
 | |
|               current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkprocvar));
 | |
|               write_rtti_name(def);
 | |
|             end;
 | |
|         end;
 | |
| 
 | |
| 
 | |
|         procedure objectdef_rtti(def:tobjectdef);
 | |
| 
 | |
|           procedure objectdef_rtti_class_init(def:tobjectdef);
 | |
|           begin
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_32bit(def.size));
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_32bit(fields_count(def.symtable,rt)));
 | |
|             fields_write_rtti_data(def.symtable,rt);
 | |
|           end;
 | |
| 
 | |
|           procedure objectdef_rtti_interface_init(def:tobjectdef);
 | |
|           begin
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_32bit(def.size));
 | |
|           end;
 | |
| 
 | |
|           procedure objectdef_rtti_class_full(def:tobjectdef);
 | |
|           var
 | |
|             propnamelist : TFPHashObjectList;
 | |
|           begin
 | |
|             { Collect unique property names with nameindex }
 | |
|             propnamelist:=TFPHashObjectList.Create;
 | |
|             collect_propnamelist(propnamelist,def);
 | |
| 
 | |
|             if (oo_has_vmt in def.objectoptions) then
 | |
|               current_asmdata.asmlists[al_rtti].concat(Tai_const.Createname(def.vmt_mangledname,0))
 | |
|             else
 | |
|               current_asmdata.asmlists[al_rtti].concat(Tai_const.create_sym(nil));
 | |
| 
 | |
|             { write parent typeinfo }
 | |
|             if assigned(def.childof) and
 | |
|                (oo_can_have_published in def.childof.objectoptions) then
 | |
|               current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_sym(ref_rtti(def.childof,fullrtti)))
 | |
|             else
 | |
|               current_asmdata.asmlists[al_rtti].concat(Tai_const.create_sym(nil));
 | |
| 
 | |
|             { total number of unique properties }
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_16bit(propnamelist.count));
 | |
| 
 | |
|             { write unit name }
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(length(current_module.realmodulename^)));
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_string.Create(current_module.realmodulename^));
 | |
|             if (tf_requires_proper_alignment in target_info.flags) then
 | |
|               current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
| 
 | |
|             { write published properties for this object }
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_16bit(published_properties_count(def.symtable)));
 | |
|             if (tf_requires_proper_alignment in target_info.flags) then
 | |
|               current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|             published_properties_write_rtti_data(propnamelist,def.symtable);
 | |
| 
 | |
|             propnamelist.free;
 | |
|           end;
 | |
| 
 | |
|           procedure objectdef_rtti_interface_full(def:tobjectdef);
 | |
|           var
 | |
|             i : longint;
 | |
|             propnamelist : TFPHashObjectList;
 | |
|           begin
 | |
|             { Collect unique property names with nameindex }
 | |
|             propnamelist:=TFPHashObjectList.Create;
 | |
|             collect_propnamelist(propnamelist,def);
 | |
| 
 | |
|             { write parent typeinfo }
 | |
|             if assigned(def.childof) then
 | |
|               current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_sym(ref_rtti(def.childof,fullrtti)))
 | |
|             else
 | |
|               current_asmdata.asmlists[al_rtti].concat(Tai_const.create_sym(nil));
 | |
| 
 | |
|             { interface: write flags, iid and iidstr }
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_32bit(
 | |
|               { ugly, but working }
 | |
| {$ifdef USE_PACKSET1}
 | |
|               byte([
 | |
| {$else USE_PACKSET1}
 | |
|               longint([
 | |
| {$endif USE_PACKSET1}
 | |
|                 TCompilerIntfFlag(ord(ifHasGuid)*ord(assigned(def.iidguid))),
 | |
|                 TCompilerIntfFlag(ord(ifHasStrGUID)*ord(assigned(def.iidstr))),
 | |
|                 TCompilerIntfFlag(ord(ifDispInterface)*ord(def.objecttype=odt_dispinterface))
 | |
|               ])
 | |
|               {
 | |
|               ifDispatch, }
 | |
|               ));
 | |
|             if (tf_requires_proper_alignment in target_info.flags) then
 | |
|               current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_32bit(longint(def.iidguid^.D1)));
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_16bit(def.iidguid^.D2));
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_16bit(def.iidguid^.D3));
 | |
|             for i:=Low(def.iidguid^.D4) to High(def.iidguid^.D4) do
 | |
|               current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(def.iidguid^.D4[i]));
 | |
| 
 | |
|             { write unit name }
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(length(current_module.realmodulename^)));
 | |
|             current_asmdata.asmlists[al_rtti].concat(Tai_string.Create(current_module.realmodulename^));
 | |
|             if (tf_requires_proper_alignment in target_info.flags) then
 | |
|               current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
| 
 | |
|             { write iidstr }
 | |
|             if assigned(def.iidstr) then
 | |
|               begin
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(length(def.iidstr^)));
 | |
|                 current_asmdata.asmlists[al_rtti].concat(Tai_string.Create(def.iidstr^));
 | |
|               end
 | |
|             else
 | |
|               current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(0));
 | |
|             if (tf_requires_proper_alignment in target_info.flags) then
 | |
|               current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
| 
 | |
|             { write published properties for this object }
 | |
|             published_properties_write_rtti_data(propnamelist,def.symtable);
 | |
| 
 | |
|             propnamelist.free;
 | |
|           end;
 | |
| 
 | |
|         begin
 | |
|            case def.objecttype of
 | |
|              odt_class:
 | |
|                current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkclass));
 | |
|              odt_object:
 | |
|                current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkobject));
 | |
|              odt_dispinterface,
 | |
|              odt_interfacecom:
 | |
|                current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkinterface));
 | |
|              odt_interfacecorba:
 | |
|                current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(tkinterfaceCorba));
 | |
|              else
 | |
|                internalerror(200611034);
 | |
|            end;
 | |
| 
 | |
|            { generate the name }
 | |
|            current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_8bit(length(def.objrealname^)));
 | |
|            current_asmdata.asmlists[al_rtti].concat(Tai_string.Create(def.objrealname^));
 | |
|            if (tf_requires_proper_alignment in target_info.flags) then
 | |
|              current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
| 
 | |
|            case rt of
 | |
|              initrtti :
 | |
|                begin
 | |
|                  if def.objecttype in [odt_class,odt_object] then
 | |
|                    objectdef_rtti_class_init(def)
 | |
|                  else
 | |
|                    objectdef_rtti_interface_init(def);
 | |
|                end;
 | |
|              fullrtti :
 | |
|                begin
 | |
|                  if def.objecttype in [odt_class,odt_object] then
 | |
|                    objectdef_rtti_class_full(def)
 | |
|                  else
 | |
|                    objectdef_rtti_interface_full(def);
 | |
|                end;
 | |
|            end;
 | |
|         end;
 | |
| 
 | |
|       begin
 | |
|         case def.typ of
 | |
|           variantdef :
 | |
|             variantdef_rtti(tvariantdef(def));
 | |
|           stringdef :
 | |
|             stringdef_rtti(tstringdef(def));
 | |
|           enumdef :
 | |
|             enumdef_rtti(tenumdef(def));
 | |
|           orddef :
 | |
|             orddef_rtti(torddef(def));
 | |
|           floatdef :
 | |
|             floatdef_rtti(tfloatdef(def));
 | |
|           setdef :
 | |
|             setdef_rtti(tsetdef(def));
 | |
|           procvardef :
 | |
|             procvardef_rtti(tprocvardef(def));
 | |
|           arraydef :
 | |
|             begin
 | |
|               if ado_IsBitPacked in tarraydef(def).arrayoptions then
 | |
|                 unknown_rtti(tstoreddef(def))
 | |
|               else
 | |
|                 arraydef_rtti(tarraydef(def));
 | |
|             end;
 | |
|           recorddef :
 | |
|             begin
 | |
|               if trecorddef(def).is_packed then
 | |
|                 unknown_rtti(tstoreddef(def))
 | |
|               else
 | |
|                 recorddef_rtti(trecorddef(def));
 | |
|             end;
 | |
|           objectdef :
 | |
|             objectdef_rtti(tobjectdef(def));
 | |
|           else
 | |
|             unknown_rtti(tstoreddef(def));
 | |
|         end;
 | |
|       end;
 | |
| 
 | |
|     procedure TRTTIWriter.write_rtti_extrasyms(def:Tdef;rt:Trttitype;mainrtti:Tasmsymbol);
 | |
| 
 | |
|         procedure enumdef_rtti_ord2stringindex(def:Tenumdef);
 | |
| 
 | |
|         var rttilab:Tasmsymbol;
 | |
|             t:Tenumsym;
 | |
|             syms:^Tenumsym;
 | |
|             offsets:^longint;
 | |
|             sym_count,sym_alloc:longint;
 | |
|             h,i,p,o,st:longint;
 | |
|             mode:(lookup,search); {Modify with care, ordinal value of enum is written.}
 | |
|             r:single;             {Must be real type because of integer overflow risk.}
 | |
| 
 | |
|         begin
 | |
|           {Random access needed, put in array.}
 | |
|           getmem(syms,64*sizeof(Tenumsym));
 | |
|           getmem(offsets,64*sizeof(longint));
 | |
|           sym_count:=0;
 | |
|           sym_alloc:=64;
 | |
|           st:=0;
 | |
|           t:=Tenumsym(def.firstenum);
 | |
|           while assigned(t) do
 | |
|             begin
 | |
|               if sym_count>=sym_alloc then
 | |
|                 begin
 | |
|                   reallocmem(syms,2*sym_alloc*sizeof(Tenumsym));
 | |
|                   reallocmem(offsets,2*sym_alloc*sizeof(longint));
 | |
|                   sym_alloc:=sym_alloc*2;
 | |
|                 end;
 | |
|               syms[sym_count]:=t;
 | |
|               offsets[sym_count]:=st;
 | |
|               inc(sym_count);
 | |
|               st:=st+length(t.realname)+1;
 | |
|               t:=t.nextenum;
 | |
|             end;
 | |
|           {Sort the syms by enum value}
 | |
|           if sym_count>=2 then
 | |
|             begin
 | |
|               p:=1;
 | |
|               while 2*p<sym_count do
 | |
|                 p:=2*p;
 | |
|               while p<>0 do
 | |
|                 begin
 | |
|                   for h:=p to sym_count-1 do
 | |
|                     begin
 | |
|                       i:=h;
 | |
|                       t:=syms[i];
 | |
|                       o:=offsets[i];
 | |
|                       repeat
 | |
|                         if syms[i-p].value<=t.value then
 | |
|                           break;
 | |
|                         syms[i]:=syms[i-p];
 | |
|                         offsets[i]:=offsets[i-p];
 | |
|                         dec(i,p);
 | |
|                       until i<p;
 | |
|                       syms[i]:=t;
 | |
|                       offsets[i]:=o;
 | |
|                     end;
 | |
|                   p:=p shr 1;
 | |
|                 end;
 | |
|             end;
 | |
|           {Decide wether a lookup array is size efficient.}
 | |
|           mode:=lookup;
 | |
|           if sym_count>0 then
 | |
|             begin
 | |
|               i:=1;
 | |
|               r:=0;
 | |
|               h:=syms[0].value; {Next expected enum value is min.}
 | |
|               while i<sym_count do
 | |
|                 begin
 | |
|                   {Calculate size of hole between values. Avoid integer overflows.}
 | |
|                   r:=r+(single(syms[i].value)-single(h))-1;
 | |
|                   h:=syms[i].value;
 | |
|                   inc(i);
 | |
|                 end;
 | |
|               if r>sym_count then
 | |
|                 mode:=search; {Don't waste more than 50% space.}
 | |
|             end;
 | |
|           {Calculate start of string table.}
 | |
|           st:=1;
 | |
|           if assigned(def.typesym) then
 | |
|             inc(st,length(def.typesym.realname)+1)
 | |
|           else
 | |
|             inc(st);
 | |
|           if (tf_requires_proper_alignment in target_info.flags) then
 | |
|             st:=align(st,sizeof(Tconstptruint));
 | |
|           inc(st);
 | |
|           if (tf_requires_proper_alignment in target_info.flags) then
 | |
|             st:=align(st,sizeof(Tconstptruint));
 | |
|           inc(st,8+sizeof(pint));
 | |
|           { write rtti data }
 | |
|           with current_asmdata do
 | |
|             begin
 | |
|               rttilab:=defineasmsymbol(Tstoreddef(def).rtti_mangledname(rt)+'_o2s',AB_GLOBAL,AT_DATA);
 | |
|               maybe_new_object_file(asmlists[al_rtti]);
 | |
|               new_section(asmlists[al_rtti],sec_rodata,rttilab.name,const_align(sizeof(pint)));
 | |
|               asmlists[al_rtti].concat(Tai_symbol.create_global(rttilab,0));
 | |
|               asmlists[al_rtti].concat(Tai_const.create_32bit(longint(mode)));
 | |
|               if mode=lookup then
 | |
|                 begin
 | |
|                   if (tf_requires_proper_alignment in target_info.flags) then
 | |
|                     current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));
 | |
|                   o:=syms[0].value;  {Start with min value.}
 | |
|                   for i:=0 to sym_count-1 do
 | |
|                     begin
 | |
|                       while o<syms[i].value do
 | |
|                         begin
 | |
|                           asmlists[al_rtti].concat(Tai_const.create_pint(0));
 | |
|                           inc(o);
 | |
|                         end;
 | |
|                       inc(o);
 | |
|                       asmlists[al_rtti].concat(Tai_const.create_sym_offset(mainrtti,st+offsets[i]));
 | |
|                     end;
 | |
|                 end
 | |
|               else
 | |
|                 begin
 | |
|                   asmlists[al_rtti].concat(Tai_const.create_32bit(sym_count));
 | |
|                   for i:=0 to sym_count-1 do
 | |
|                     begin
 | |
|                       if (tf_requires_proper_alignment in target_info.flags) then
 | |
|                         current_asmdata.asmlists[al_rtti].concat(cai_align.Create(4));
 | |
|                       asmlists[al_rtti].concat(Tai_const.create_32bit(syms[i].value));
 | |
|                       if (tf_requires_proper_alignment in target_info.flags) then
 | |
|                         current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));	
 | |
|                       asmlists[al_rtti].concat(Tai_const.create_sym_offset(mainrtti,st+offsets[i]));
 | |
|                     end;
 | |
|                 end;
 | |
|               asmlists[al_rtti].concat(Tai_symbol_end.create(rttilab));
 | |
|             end;
 | |
|           freemem(syms);
 | |
|           freemem(offsets);
 | |
|         end;
 | |
| 
 | |
|         procedure enumdef_rtti_string2ordindex(def:Tenumdef);
 | |
| 
 | |
|         var rttilab:Tasmsymbol;
 | |
|             t:Tenumsym;
 | |
|             syms:^Tenumsym;
 | |
|             offsets:^longint;
 | |
|             sym_count,sym_alloc:longint;
 | |
|             h,i,p,o,st:longint;
 | |
| 
 | |
|         begin
 | |
|           {Random access needed, put in array.}
 | |
|           getmem(syms,64*sizeof(Tenumsym));
 | |
|           getmem(offsets,64*sizeof(longint));
 | |
|           sym_count:=0;
 | |
|           sym_alloc:=64;
 | |
|           st:=0;
 | |
|           t:=Tenumsym(def.firstenum);
 | |
|           while assigned(t) do
 | |
|             begin
 | |
|               if sym_count>=sym_alloc then
 | |
|                 begin
 | |
|                   reallocmem(syms,2*sym_alloc*sizeof(Tenumsym));
 | |
|                   reallocmem(offsets,2*sym_alloc*sizeof(longint));
 | |
|                   sym_alloc:=sym_alloc*2;
 | |
|                 end;
 | |
|               syms[sym_count]:=t;
 | |
|               offsets[sym_count]:=st;
 | |
|               inc(sym_count);
 | |
|               st:=st+length(t.realname)+1;
 | |
|               t:=t.nextenum;
 | |
|             end;
 | |
|           {Sort the syms by enum name}
 | |
|           if sym_count>=2 then
 | |
|             begin
 | |
|               p:=1;
 | |
|               while 2*p<sym_count do
 | |
|                 p:=2*p;
 | |
|               while p<>0 do
 | |
|                 begin
 | |
|                   for h:=p to sym_count-1 do
 | |
|                     begin
 | |
|                       i:=h;
 | |
|                       t:=syms[i];
 | |
|                       o:=offsets[i];
 | |
|                       repeat
 | |
|                         if syms[i-p].name<=t.name then
 | |
|                           break;
 | |
|                         syms[i]:=syms[i-p];
 | |
|                         offsets[i]:=offsets[i-p];
 | |
|                         dec(i,p);
 | |
|                       until i<p;
 | |
|                       syms[i]:=t;
 | |
|                       offsets[i]:=o;
 | |
|                     end;
 | |
|                   p:=p shr 1;
 | |
|                 end;
 | |
|             end;
 | |
|           {Calculate start of string table.}
 | |
|           st:=1;
 | |
|           if assigned(def.typesym) then
 | |
|             inc(st,length(def.typesym.realname)+1)
 | |
|           else
 | |
|             inc(st);
 | |
|           if (tf_requires_proper_alignment in target_info.flags) then
 | |
|             st:=align(st,sizeof(Tconstptruint));
 | |
|           inc(st);
 | |
|           if (tf_requires_proper_alignment in target_info.flags) then
 | |
|             st:=align(st,sizeof(Tconstptruint));
 | |
|           inc(st,8+sizeof(pint));
 | |
|           { write rtti data }
 | |
|           with current_asmdata do
 | |
|             begin
 | |
|               rttilab:=defineasmsymbol(Tstoreddef(def).rtti_mangledname(rt)+'_s2o',AB_GLOBAL,AT_DATA);
 | |
|               maybe_new_object_file(asmlists[al_rtti]);
 | |
|               new_section(asmlists[al_rtti],sec_rodata,rttilab.name,const_align(sizeof(pint)));
 | |
|               asmlists[al_rtti].concat(Tai_symbol.create_global(rttilab,0));
 | |
|               asmlists[al_rtti].concat(Tai_const.create_32bit(sym_count));
 | |
|               for i:=0 to sym_count-1 do
 | |
|                 begin
 | |
|                   if (tf_requires_proper_alignment in target_info.flags) then
 | |
|                     current_asmdata.asmlists[al_rtti].concat(cai_align.Create(4));
 | |
|                   asmlists[al_rtti].concat(Tai_const.create_32bit(syms[i].value));
 | |
|                   if (tf_requires_proper_alignment in target_info.flags) then
 | |
|                     current_asmdata.asmlists[al_rtti].concat(cai_align.Create(sizeof(TConstPtrUInt)));	
 | |
|                   asmlists[al_rtti].concat(Tai_const.create_sym_offset(mainrtti,st+offsets[i]));
 | |
|                 end;
 | |
|               asmlists[al_rtti].concat(Tai_symbol_end.create(rttilab));
 | |
|             end;
 | |
|           freemem(syms);
 | |
|           freemem(offsets);
 | |
|         end;
 | |
| 
 | |
|     begin
 | |
|       case def.typ of
 | |
|         enumdef:
 | |
|           if rt=fullrtti then
 | |
|             begin
 | |
|               enumdef_rtti_ord2stringindex(Tenumdef(def));
 | |
|               enumdef_rtti_string2ordindex(Tenumdef(def));
 | |
|             end;
 | |
|       end;
 | |
|     end;
 | |
| 
 | |
|     procedure TRTTIWriter.write_child_rtti_data(def:tdef;rt:trttitype);
 | |
|       begin
 | |
|         case def.typ of
 | |
|           enumdef :
 | |
|             if assigned(tenumdef(def).basedef) then
 | |
|               write_rtti(tenumdef(def).basedef,rt);
 | |
|           setdef :
 | |
|             write_rtti(tsetdef(def).elementdef,rt);
 | |
|           arraydef :
 | |
|             write_rtti(tarraydef(def).elementdef,rt);
 | |
|           recorddef :
 | |
|             fields_write_rtti(trecorddef(def).symtable,rt);
 | |
|           objectdef :
 | |
|             begin
 | |
|               if assigned(tobjectdef(def).childof) then
 | |
|                 write_rtti(tobjectdef(def).childof,rt);
 | |
|               if rt=initrtti then
 | |
|                 fields_write_rtti(tobjectdef(def).symtable,rt)
 | |
|               else
 | |
|                 published_write_rtti(tobjectdef(def).symtable,rt);
 | |
|             end;
 | |
|         end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     function TRTTIWriter.ref_rtti(def:tdef;rt:trttitype):tasmsymbol;
 | |
|       begin
 | |
|         result:=current_asmdata.RefAsmSymbol(def.rtti_mangledname(rt));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TRTTIWriter.write_rtti(def:tdef;rt:trttitype);
 | |
|       var
 | |
|         rttilab : tasmsymbol;
 | |
|       begin
 | |
|         { only write rtti of definitions from the current module }
 | |
|         if not findunitsymtable(def.owner).iscurrentunit then
 | |
|           exit;
 | |
|         { prevent recursion }
 | |
|         if rttidefstate[rt] in def.defstates then
 | |
|           exit;
 | |
|         include(def.defstates,rttidefstate[rt]);
 | |
|         { write first all dependencies }
 | |
|         write_child_rtti_data(def,rt);
 | |
|         { write rtti data }
 | |
|         rttilab:=current_asmdata.DefineAsmSymbol(tstoreddef(def).rtti_mangledname(rt),AB_GLOBAL,AT_DATA);
 | |
|         maybe_new_object_file(current_asmdata.asmlists[al_rtti]);
 | |
|         new_section(current_asmdata.asmlists[al_rtti],sec_rodata,rttilab.name,const_align(sizeof(pint)));
 | |
|         current_asmdata.asmlists[al_rtti].concat(Tai_symbol.Create_global(rttilab,0));
 | |
|         write_rtti_data(def,rt);
 | |
|         current_asmdata.asmlists[al_rtti].concat(Tai_symbol_end.Create(rttilab));
 | |
|         write_rtti_extrasyms(def,rt,rttilab);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     function TRTTIWriter.get_rtti_label(def:tdef;rt:trttitype):tasmsymbol;
 | |
|       begin
 | |
|         result:=current_asmdata.RefAsmSymbol(def.rtti_mangledname(rt));
 | |
|       end;
 | |
| 
 | |
|     function TRTTIWriter.get_rtti_label_ord2str(def:tdef;rt:trttitype):tasmsymbol;
 | |
|       begin
 | |
|         result:=current_asmdata.RefAsmSymbol(def.rtti_mangledname(rt)+'_o2s');
 | |
|       end;
 | |
| 
 | |
|     function TRTTIWriter.get_rtti_label_str2ord(def:tdef;rt:trttitype):tasmsymbol;
 | |
|       begin
 | |
|         result:=current_asmdata.RefAsmSymbol(def.rtti_mangledname(rt)+'_s2o');
 | |
|       end;
 | |
| 
 | |
| end.
 | |
| 
 |