mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-11-04 11:24:16 +01:00
2271 lines
65 KiB
PHP
2271 lines
65 KiB
PHP
{
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$Id$
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Copyright (c) 1998-2000 by Florian Klaempfl, Pierre Muller
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Implementation for the symbols types of the symtable
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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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{****************************************************************************
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TSYM (base for all symtypes)
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****************************************************************************}
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constructor tsym.init(const n : string);
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begin
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inherited initname(n);
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typ:=abstractsym;
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symoptions:=current_object_option;
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{$ifdef GDB}
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isstabwritten := false;
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{$endif GDB}
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fileinfo:=tokenpos;
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defref:=nil;
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refs:=0;
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lastwritten:=nil;
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refcount:=0;
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if (cs_browser in aktmoduleswitches) and make_ref then
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begin
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defref:=new(pref,init(defref,@tokenpos));
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inc(refcount);
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end;
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lastref:=defref;
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end;
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constructor tsym.load;
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begin
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inherited init;
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indexnr:=readword;
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setname(readstring);
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typ:=abstractsym;
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readsmallset(symoptions);
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readposinfo(fileinfo);
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lastref:=nil;
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defref:=nil;
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refs:=0;
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lastwritten:=nil;
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refcount:=0;
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{$ifdef GDB}
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isstabwritten := false;
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{$endif GDB}
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end;
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procedure tsym.load_references;
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var
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pos : tfileposinfo;
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move_last : boolean;
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begin
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move_last:=lastwritten=lastref;
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while (not current_ppu^.endofentry) do
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begin
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readposinfo(pos);
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inc(refcount);
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lastref:=new(pref,init(lastref,@pos));
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lastref^.is_written:=true;
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if refcount=1 then
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defref:=lastref;
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end;
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if move_last then
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lastwritten:=lastref;
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end;
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{ big problem here :
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wrong refs were written because of
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interface parsing of other units PM
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moduleindex must be checked !! }
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function tsym.write_references : boolean;
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var
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ref : pref;
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symref_written,move_last : boolean;
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begin
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write_references:=false;
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if lastwritten=lastref then
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exit;
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{ should we update lastref }
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move_last:=true;
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symref_written:=false;
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{ write symbol refs }
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if assigned(lastwritten) then
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ref:=lastwritten
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else
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ref:=defref;
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while assigned(ref) do
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begin
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if ref^.moduleindex=current_module^.unit_index then
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begin
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{ write address to this symbol }
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if not symref_written then
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begin
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writesymref(@self);
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symref_written:=true;
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end;
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writeposinfo(ref^.posinfo);
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ref^.is_written:=true;
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if move_last then
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lastwritten:=ref;
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end
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else if not ref^.is_written then
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move_last:=false
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else if move_last then
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lastwritten:=ref;
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ref:=ref^.nextref;
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end;
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if symref_written then
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current_ppu^.writeentry(ibsymref);
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write_references:=symref_written;
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end;
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{$ifdef BrowserLog}
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procedure tsym.add_to_browserlog;
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begin
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if assigned(defref) then
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begin
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browserlog.AddLog('***'+name+'***');
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browserlog.AddLogRefs(defref);
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end;
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end;
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{$endif BrowserLog}
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destructor tsym.done;
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begin
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if assigned(defref) then
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dispose(defref,done);
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inherited done;
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end;
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procedure tsym.write;
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begin
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writeword(indexnr);
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writestring(name);
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writesmallset(symoptions);
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writeposinfo(fileinfo);
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end;
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procedure tsym.prederef;
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begin
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end;
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procedure tsym.deref;
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begin
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end;
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function tsym.mangledname : string;
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begin
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mangledname:=name;
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end;
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{ for most symbol types there is nothing to do at all }
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procedure tsym.insert_in_data;
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begin
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end;
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{$ifdef GDB}
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function tsym.stabstring : pchar;
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begin
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stabstring:=strpnew('"'+name+'",'+tostr(N_LSYM)+',0,'+
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tostr(fileinfo.line)+',0');
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end;
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procedure tsym.concatstabto(asmlist : paasmoutput);
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var stab_str : pchar;
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begin
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if not isstabwritten then
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begin
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stab_str := stabstring;
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{ count_dbx(stab_str); moved to GDB.PAS }
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asmlist^.concat(new(pai_stabs,init(stab_str)));
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isstabwritten:=true;
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end;
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end;
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{$endif GDB}
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{****************************************************************************
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TLABELSYM
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****************************************************************************}
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constructor tlabelsym.init(const n : string; l : pasmlabel);
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begin
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inherited init(n);
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typ:=labelsym;
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lab:=l;
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used:=false;
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defined:=false;
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code:=nil;
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end;
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constructor tlabelsym.load;
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begin
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tsym.load;
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typ:=labelsym;
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{ this is all dummy
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it is only used for local browsing }
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lab:=nil;
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code:=nil;
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used:=false;
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defined:=true;
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end;
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destructor tlabelsym.done;
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begin
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inherited done;
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end;
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function tlabelsym.mangledname : string;
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begin
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mangledname:=lab^.name;
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end;
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procedure tlabelsym.write;
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begin
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if owner^.symtabletype in [unitsymtable,globalsymtable] then
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Message(sym_e_ill_label_decl)
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else
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begin
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tsym.write;
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current_ppu^.writeentry(iblabelsym);
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end;
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end;
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{****************************************************************************
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TUNITSYM
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****************************************************************************}
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constructor tunitsym.init(const n : string;ref : punitsymtable);
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var
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old_make_ref : boolean;
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begin
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old_make_ref:=make_ref;
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make_ref:=false;
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inherited init(n);
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make_ref:=old_make_ref;
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typ:=unitsym;
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unitsymtable:=ref;
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prevsym:=ref^.unitsym;
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ref^.unitsym:=@self;
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refs:=0;
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end;
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constructor tunitsym.load;
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begin
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tsym.load;
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typ:=unitsym;
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unitsymtable:=punitsymtable(current_module^.globalsymtable);
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prevsym:=nil;
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end;
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{ we need to remove it from the prevsym chain ! }
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destructor tunitsym.done;
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var pus,ppus : punitsym;
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begin
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if assigned(unitsymtable) then
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begin
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ppus:=nil;
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pus:=unitsymtable^.unitsym;
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if pus=@self then
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unitsymtable^.unitsym:=prevsym
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else while assigned(pus) do
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begin
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if pus=@self then
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begin
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ppus^.prevsym:=prevsym;
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break;
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end
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else
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begin
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ppus:=pus;
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pus:=ppus^.prevsym;
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end;
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end;
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end;
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prevsym:=nil;
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unitsymtable:=nil;
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inherited done;
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end;
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procedure tunitsym.write;
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begin
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tsym.write;
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current_ppu^.writeentry(ibunitsym);
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end;
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{$ifdef GDB}
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procedure tunitsym.concatstabto(asmlist : paasmoutput);
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begin
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{Nothing to write to stabs !}
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end;
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{$endif GDB}
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{****************************************************************************
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TPROCSYM
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****************************************************************************}
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constructor tprocsym.init(const n : string);
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begin
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tsym.init(n);
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typ:=procsym;
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definition:=nil;
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owner:=nil;
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is_global := false;
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end;
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constructor tprocsym.load;
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begin
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tsym.load;
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typ:=procsym;
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definition:=pprocdef(readdefref);
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is_global := false;
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end;
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destructor tprocsym.done;
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begin
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{ don't check if errors !! }
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if Errorcount=0 then
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check_forward;
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tsym.done;
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end;
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function tprocsym.mangledname : string;
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begin
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mangledname:=definition^.mangledname;
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end;
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function tprocsym.demangledname:string;
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begin
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demangledname:=name+definition^.demangled_paras;
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end;
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procedure tprocsym.write_parameter_lists;
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var
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p : pprocdef;
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begin
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p:=definition;
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while assigned(p) do
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begin
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{ force the error to be printed }
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Verbose.Message1(sym_b_param_list,name+p^.demangled_paras);
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p:=p^.nextoverloaded;
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end;
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end;
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procedure tprocsym.check_forward;
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var
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pd : pprocdef;
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begin
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pd:=definition;
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while assigned(pd) do
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begin
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if pd^.forwarddef then
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begin
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if assigned(pd^._class) then
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MessagePos1(fileinfo,sym_e_forward_not_resolved,pd^._class^.objname^+'.'+demangledname)
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else
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MessagePos1(fileinfo,sym_e_forward_not_resolved,demangledname);
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{ Turn futher error messages off }
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pd^.forwarddef:=false;
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end;
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pd:=pd^.nextoverloaded;
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end;
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end;
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procedure tprocsym.deref;
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var
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t : ttoken;
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last : pprocdef;
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begin
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resolvedef(pdef(definition));
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if (definition^.proctypeoption=potype_operator) then
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begin
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last:=definition;
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while assigned(last^.nextoverloaded) do
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last:=last^.nextoverloaded;
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for t:=first_overloaded to last_overloaded do
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if (name=overloaded_names[t]) then
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begin
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if assigned(overloaded_operators[t]) then
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last^.nextoverloaded:=overloaded_operators[t]^.definition;
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overloaded_operators[t]:=@self;
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end;
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end;
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end;
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procedure tprocsym.order_overloaded;
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var firstdef,currdef,lastdef : pprocdef;
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begin
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firstdef:=definition;
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currdef:=definition;
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while assigned(currdef) do
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begin
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currdef^.count:=false;
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currdef:=currdef^.nextoverloaded;
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end;
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definition:=definition^.nextoverloaded;
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firstdef^.nextoverloaded:=nil;
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while assigned(definition) do
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begin
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currdef:=firstdef;
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lastdef:=definition;
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definition:=definition^.nextoverloaded;
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if lastdef^.mangledname<firstdef^.mangledname then
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begin
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lastdef^.nextoverloaded:=firstdef;
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firstdef:=lastdef;
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end
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else
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begin
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while assigned(currdef^.nextoverloaded) and
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(lastdef^.mangledname>currdef^.nextoverloaded^.mangledname) do
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currdef:=currdef^.nextoverloaded;
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lastdef^.nextoverloaded:=currdef^.nextoverloaded;
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currdef^.nextoverloaded:=lastdef;
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end;
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end;
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definition:=firstdef;
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currdef:=definition;
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while assigned(currdef) do
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begin
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currdef^.count:=true;
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currdef:=currdef^.nextoverloaded;
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end;
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end;
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procedure tprocsym.write;
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begin
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tsym.write;
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writedefref(pdef(definition));
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current_ppu^.writeentry(ibprocsym);
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end;
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procedure tprocsym.load_references;
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(*var
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prdef,prdef2 : pprocdef;
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b : byte; *)
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begin
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inherited load_references;
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(*prdef:=definition;
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done in tsymtable.load_browser (PM)
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{ take care about operators !! }
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if (current_module^.flags and uf_has_browser) <>0 then
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while assigned(prdef) and (prdef^.owner=definition^.owner) do
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begin
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b:=current_ppu^.readentry;
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if b<>ibdefref then
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Message(unit_f_ppu_read_error);
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prdef2:=pprocdef(readdefref);
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resolvedef(prdef2);
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if prdef<>prdef2 then
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Message(unit_f_ppu_read_error);
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prdef^.load_references;
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prdef:=prdef^.nextoverloaded;
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end; *)
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end;
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function tprocsym.write_references : boolean;
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var
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prdef : pprocdef;
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begin
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write_references:=false;
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if not inherited write_references then
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exit;
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write_references:=true;
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prdef:=definition;
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while assigned(prdef) and (prdef^.owner=definition^.owner) do
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begin
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prdef^.write_references;
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prdef:=prdef^.nextoverloaded;
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end;
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end;
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{$ifdef BrowserLog}
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procedure tprocsym.add_to_browserlog;
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var
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prdef : pprocdef;
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begin
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inherited add_to_browserlog;
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prdef:=definition;
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while assigned(prdef) do
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begin
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pprocdef(prdef)^.add_to_browserlog;
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prdef:=pprocdef(prdef)^.nextoverloaded;
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end;
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end;
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{$endif BrowserLog}
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{$ifdef GDB}
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function tprocsym.stabstring : pchar;
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Var RetType : Char;
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Obj,Info : String;
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stabsstr : string;
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p : pchar;
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begin
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obj := name;
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info := '';
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if is_global then
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RetType := 'F'
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else
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RetType := 'f';
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if assigned(owner) then
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begin
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if (owner^.symtabletype = objectsymtable) then
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obj := owner^.name^+'__'+name;
|
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{ this code was correct only as long as the local symboltable
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of the parent had the same name as the function
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but this is no true anymore !! PM
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if (owner^.symtabletype=localsymtable) and assigned(owner^.name) then
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info := ','+name+','+owner^.name^; }
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if (owner^.symtabletype=localsymtable) and assigned(owner^.defowner) and
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assigned(pprocdef(owner^.defowner)^.procsym) then
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info := ','+name+','+pprocdef(owner^.defowner)^.procsym^.name;
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end;
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stabsstr:=definition^.mangledname;
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getmem(p,length(stabsstr)+255);
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strpcopy(p,'"'+obj+':'+RetType
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+definition^.rettype.def^.numberstring+info+'",'+tostr(n_function)
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+',0,'+
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tostr(aktfilepos.line)
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+',');
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strpcopy(strend(p),stabsstr);
|
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stabstring:=strnew(p);
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freemem(p,length(stabsstr)+255);
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end;
|
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|
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procedure tprocsym.concatstabto(asmlist : paasmoutput);
|
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begin
|
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if (pocall_internproc in definition^.proccalloptions) then exit;
|
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if not isstabwritten then
|
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asmlist^.concat(new(pai_stabs,init(stabstring)));
|
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isstabwritten := true;
|
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if assigned(definition^.parast) then
|
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definition^.parast^.concatstabto(asmlist);
|
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if assigned(definition^.localst) then
|
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definition^.localst^.concatstabto(asmlist);
|
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definition^.is_def_stab_written := true;
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end;
|
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{$endif GDB}
|
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|
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|
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{****************************************************************************
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TPROGRAMSYM
|
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****************************************************************************}
|
|
|
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constructor tprogramsym.init(const n : string);
|
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begin
|
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inherited init(n);
|
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typ:=programsym;
|
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end;
|
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|
|
{****************************************************************************
|
|
TERRORSYM
|
|
****************************************************************************}
|
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|
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constructor terrorsym.init;
|
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begin
|
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inherited init('');
|
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typ:=errorsym;
|
|
end;
|
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|
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{****************************************************************************
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TPROPERTYSYM
|
|
****************************************************************************}
|
|
|
|
constructor tpropertysym.init(const n : string);
|
|
begin
|
|
inherited init(n);
|
|
typ:=propertysym;
|
|
propoptions:=[];
|
|
index:=0;
|
|
default:=0;
|
|
proptype.reset;
|
|
indextype.reset;
|
|
new(readaccess,init);
|
|
new(writeaccess,init);
|
|
new(storedaccess,init);
|
|
end;
|
|
|
|
|
|
constructor tpropertysym.load;
|
|
begin
|
|
inherited load;
|
|
typ:=propertysym;
|
|
readsmallset(propoptions);
|
|
if (ppo_is_override in propoptions) then
|
|
begin
|
|
propoverriden:=ppropertysym(readsymref);
|
|
{ we need to have these objects initialized }
|
|
new(readaccess,init);
|
|
new(writeaccess,init);
|
|
new(storedaccess,init);
|
|
end
|
|
else
|
|
begin
|
|
proptype.load;
|
|
index:=readlong;
|
|
default:=readlong;
|
|
indextype.load;
|
|
new(readaccess,load);
|
|
new(writeaccess,load);
|
|
new(storedaccess,load);
|
|
end;
|
|
end;
|
|
|
|
|
|
destructor tpropertysym.done;
|
|
begin
|
|
dispose(readaccess,done);
|
|
dispose(writeaccess,done);
|
|
dispose(storedaccess,done);
|
|
inherited done;
|
|
end;
|
|
|
|
|
|
procedure tpropertysym.deref;
|
|
begin
|
|
if (ppo_is_override in propoptions) then
|
|
begin
|
|
resolvesym(psym(propoverriden));
|
|
dooverride(propoverriden);
|
|
end
|
|
else
|
|
begin
|
|
proptype.resolve;
|
|
indextype.resolve;
|
|
readaccess^.resolve;
|
|
writeaccess^.resolve;
|
|
storedaccess^.resolve;
|
|
end;
|
|
end;
|
|
|
|
|
|
function tpropertysym.getsize : longint;
|
|
begin
|
|
getsize:=0;
|
|
end;
|
|
|
|
|
|
procedure tpropertysym.write;
|
|
begin
|
|
tsym.write;
|
|
writesmallset(propoptions);
|
|
if (ppo_is_override in propoptions) then
|
|
writesymref(propoverriden)
|
|
else
|
|
begin
|
|
proptype.write;
|
|
writelong(index);
|
|
writelong(default);
|
|
indextype.write;
|
|
readaccess^.write;
|
|
writeaccess^.write;
|
|
storedaccess^.write;
|
|
end;
|
|
current_ppu^.writeentry(ibpropertysym);
|
|
end;
|
|
|
|
|
|
procedure tpropertysym.dooverride(overriden:ppropertysym);
|
|
begin
|
|
propoverriden:=overriden;
|
|
proptype:=overriden^.proptype;
|
|
propoptions:=overriden^.propoptions+[ppo_is_override];
|
|
index:=overriden^.index;
|
|
default:=overriden^.default;
|
|
indextype:=overriden^.indextype;
|
|
readaccess^.clear;
|
|
readaccess:=overriden^.readaccess^.getcopy;
|
|
writeaccess^.clear;
|
|
writeaccess:=overriden^.writeaccess^.getcopy;
|
|
storedaccess^.clear;
|
|
storedaccess:=overriden^.storedaccess^.getcopy;
|
|
end;
|
|
|
|
|
|
{$ifdef GDB}
|
|
function tpropertysym.stabstring : pchar;
|
|
begin
|
|
{ !!!! don't know how to handle }
|
|
stabstring:=strpnew('');
|
|
end;
|
|
|
|
procedure tpropertysym.concatstabto(asmlist : paasmoutput);
|
|
begin
|
|
{ !!!! don't know how to handle }
|
|
end;
|
|
{$endif GDB}
|
|
|
|
{****************************************************************************
|
|
TFUNCRETSYM
|
|
****************************************************************************}
|
|
|
|
constructor tfuncretsym.init(const n : string;approcinfo : pointer{pprocinfo});
|
|
|
|
begin
|
|
tsym.init(n);
|
|
typ:=funcretsym;
|
|
funcretprocinfo:=approcinfo;
|
|
rettype:=pprocinfo(approcinfo)^.returntype;
|
|
{ address valid for ret in param only }
|
|
{ otherwise set by insert }
|
|
address:=pprocinfo(approcinfo)^.return_offset;
|
|
end;
|
|
|
|
constructor tfuncretsym.load;
|
|
begin
|
|
tsym.load;
|
|
rettype.load;
|
|
address:=readlong;
|
|
funcretprocinfo:=nil;
|
|
typ:=funcretsym;
|
|
end;
|
|
|
|
destructor tfuncretsym.done;
|
|
begin
|
|
inherited done;
|
|
end;
|
|
|
|
procedure tfuncretsym.write;
|
|
begin
|
|
tsym.write;
|
|
rettype.write;
|
|
writelong(address);
|
|
current_ppu^.writeentry(ibfuncretsym);
|
|
end;
|
|
|
|
procedure tfuncretsym.deref;
|
|
begin
|
|
rettype.resolve;
|
|
end;
|
|
|
|
{$ifdef GDB}
|
|
procedure tfuncretsym.concatstabto(asmlist : paasmoutput);
|
|
begin
|
|
{ Nothing to do here, it is done in genexitcode }
|
|
end;
|
|
{$endif GDB}
|
|
|
|
procedure tfuncretsym.insert_in_data;
|
|
var
|
|
l : longint;
|
|
begin
|
|
{ if retoffset is already set then reuse it, this is needed
|
|
when inserting the result variable }
|
|
if procinfo^.return_offset<>0 then
|
|
address:=procinfo^.return_offset
|
|
else
|
|
begin
|
|
{ allocate space in local if ret in acc or in fpu }
|
|
if ret_in_acc(procinfo^.returntype.def) or (procinfo^.returntype.def^.deftype=floatdef) then
|
|
begin
|
|
l:=rettype.def^.size;
|
|
inc(owner^.datasize,l);
|
|
{$ifdef m68k}
|
|
{ word alignment required for motorola }
|
|
if (l=1) then
|
|
inc(owner^.datasize,1)
|
|
else
|
|
{$endif}
|
|
if (l>=4) and ((owner^.datasize and 3)<>0) then
|
|
inc(owner^.datasize,4-(owner^.datasize and 3))
|
|
else if (l>=2) and ((owner^.datasize and 1)<>0) then
|
|
inc(owner^.datasize,2-(owner^.datasize and 1));
|
|
address:=owner^.datasize;
|
|
procinfo^.return_offset:=-owner^.datasize;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TABSOLUTESYM
|
|
****************************************************************************}
|
|
|
|
constructor tabsolutesym.init(const n : string;const tt : ttype);
|
|
begin
|
|
inherited init(n,tt);
|
|
typ:=absolutesym;
|
|
end;
|
|
|
|
|
|
constructor tabsolutesym.initdef(const n : string;p : pdef);
|
|
var
|
|
t : ttype;
|
|
begin
|
|
t.setdef(p);
|
|
tabsolutesym.init(n,t);
|
|
end;
|
|
|
|
|
|
constructor tabsolutesym.load;
|
|
begin
|
|
tvarsym.load;
|
|
typ:=absolutesym;
|
|
ref:=nil;
|
|
address:=0;
|
|
asmname:=nil;
|
|
abstyp:=absolutetyp(readbyte);
|
|
absseg:=false;
|
|
case abstyp of
|
|
tovar :
|
|
begin
|
|
asmname:=stringdup(readstring);
|
|
ref:=srsym;
|
|
end;
|
|
toasm :
|
|
asmname:=stringdup(readstring);
|
|
toaddr :
|
|
begin
|
|
address:=readlong;
|
|
absseg:=boolean(readbyte);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure tabsolutesym.write;
|
|
var
|
|
hvo : tvaroptions;
|
|
begin
|
|
{ Note: This needs to write everything of tvarsym.write }
|
|
tsym.write;
|
|
writebyte(byte(varspez));
|
|
if read_member then
|
|
writelong(address);
|
|
{ write only definition or definitionsym }
|
|
vartype.write;
|
|
hvo:=varoptions-[vo_regable];
|
|
writesmallset(hvo);
|
|
writebyte(byte(abstyp));
|
|
case abstyp of
|
|
tovar :
|
|
writestring(ref^.name);
|
|
toasm :
|
|
writestring(asmname^);
|
|
toaddr :
|
|
begin
|
|
writelong(address);
|
|
writebyte(byte(absseg));
|
|
end;
|
|
end;
|
|
current_ppu^.writeentry(ibabsolutesym);
|
|
end;
|
|
|
|
|
|
procedure tabsolutesym.deref;
|
|
begin
|
|
tvarsym.deref;
|
|
if (abstyp=tovar) and (asmname<>nil) then
|
|
begin
|
|
{ search previous loaded symtables }
|
|
getsym(asmname^,false);
|
|
if not(assigned(srsym)) then
|
|
getsymonlyin(owner,asmname^);
|
|
if not(assigned(srsym)) then
|
|
srsym:=generrorsym;
|
|
ref:=srsym;
|
|
stringdispose(asmname);
|
|
end;
|
|
end;
|
|
|
|
|
|
function tabsolutesym.mangledname : string;
|
|
begin
|
|
case abstyp of
|
|
tovar :
|
|
mangledname:=ref^.mangledname;
|
|
toasm :
|
|
mangledname:=asmname^;
|
|
toaddr :
|
|
mangledname:='$'+tostr(address);
|
|
else
|
|
internalerror(10002);
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure tabsolutesym.insert_in_data;
|
|
begin
|
|
end;
|
|
|
|
|
|
{$ifdef GDB}
|
|
procedure tabsolutesym.concatstabto(asmlist : paasmoutput);
|
|
begin
|
|
{ I don't know how to handle this !! }
|
|
end;
|
|
{$endif GDB}
|
|
|
|
|
|
{****************************************************************************
|
|
TVARSYM
|
|
****************************************************************************}
|
|
|
|
constructor tvarsym.init(const n : string;const tt : ttype);
|
|
begin
|
|
tsym.init(n);
|
|
typ:=varsym;
|
|
vartype:=tt;
|
|
_mangledname:=nil;
|
|
varspez:=vs_value;
|
|
address:=0;
|
|
localvarsym:=nil;
|
|
refs:=0;
|
|
varstate:=vs_used;
|
|
varoptions:=[];
|
|
{ can we load the value into a register ? }
|
|
if tt.def^.is_intregable then
|
|
{$ifdef INCLUDEOK}
|
|
include(varoptions,vo_regable)
|
|
{$else}
|
|
varoptions:=varoptions+[vo_regable]
|
|
{$endif}
|
|
else
|
|
{$ifdef INCLUDEOK}
|
|
exclude(varoptions,vo_regable);
|
|
{$else}
|
|
varoptions:=varoptions-[vo_regable];
|
|
{$endif}
|
|
|
|
if tt.def^.is_fpuregable then
|
|
{$ifdef INCLUDEOK}
|
|
include(varoptions,vo_fpuregable)
|
|
{$else}
|
|
varoptions:=varoptions+[vo_fpuregable]
|
|
{$endif}
|
|
else
|
|
{$ifdef INCLUDEOK}
|
|
exclude(varoptions,vo_regable);
|
|
{$else}
|
|
varoptions:=varoptions-[vo_fpuregable];
|
|
{$endif}
|
|
reg:=R_NO;
|
|
end;
|
|
|
|
|
|
constructor tvarsym.init_dll(const n : string;const tt : ttype);
|
|
begin
|
|
tvarsym.init(n,tt);
|
|
{$ifdef INCLUDEOK}
|
|
include(varoptions,vo_is_dll_var);
|
|
{$else}
|
|
varoptions:=varoptions+[vo_is_dll_var];
|
|
{$endif}
|
|
end;
|
|
|
|
|
|
constructor tvarsym.init_C(const n,mangled : string;const tt : ttype);
|
|
begin
|
|
tvarsym.init(n,tt);
|
|
{$ifdef INCLUDEOK}
|
|
include(varoptions,vo_is_C_var);
|
|
{$else}
|
|
varoptions:=varoptions+[vo_is_C_var];
|
|
{$endif}
|
|
setmangledname(mangled);
|
|
end;
|
|
|
|
|
|
constructor tvarsym.initdef(const n : string;p : pdef);
|
|
var
|
|
t : ttype;
|
|
begin
|
|
t.setdef(p);
|
|
tvarsym.init(n,t);
|
|
end;
|
|
|
|
|
|
constructor tvarsym.load;
|
|
begin
|
|
tsym.load;
|
|
typ:=varsym;
|
|
_mangledname:=nil;
|
|
reg:=R_NO;
|
|
refs := 0;
|
|
varstate:=vs_used;
|
|
varspez:=tvarspez(readbyte);
|
|
if read_member then
|
|
address:=readlong
|
|
else
|
|
address:=0;
|
|
localvarsym:=nil;
|
|
vartype.load;
|
|
readsmallset(varoptions);
|
|
if (vo_is_C_var in varoptions) then
|
|
setmangledname(readstring);
|
|
end;
|
|
|
|
|
|
destructor tvarsym.done;
|
|
begin
|
|
strdispose(_mangledname);
|
|
inherited done;
|
|
end;
|
|
|
|
|
|
procedure tvarsym.deref;
|
|
begin
|
|
vartype.resolve;
|
|
end;
|
|
|
|
|
|
procedure tvarsym.write;
|
|
var
|
|
hvo : tvaroptions;
|
|
begin
|
|
tsym.write;
|
|
writebyte(byte(varspez));
|
|
if read_member then
|
|
writelong(address);
|
|
vartype.write;
|
|
{ symbols which are load are never candidates for a register,
|
|
turn off the regable }
|
|
hvo:=varoptions-[vo_regable];
|
|
writesmallset(hvo);
|
|
if (vo_is_C_var in varoptions) then
|
|
writestring(mangledname);
|
|
current_ppu^.writeentry(ibvarsym);
|
|
end;
|
|
|
|
|
|
procedure tvarsym.setmangledname(const s : string);
|
|
begin
|
|
_mangledname:=strpnew(s);
|
|
end;
|
|
|
|
|
|
function tvarsym.mangledname : string;
|
|
var
|
|
prefix : string;
|
|
begin
|
|
if assigned(_mangledname) then
|
|
begin
|
|
mangledname:=strpas(_mangledname);
|
|
exit;
|
|
end;
|
|
case owner^.symtabletype of
|
|
staticsymtable :
|
|
if (cs_create_smart in aktmoduleswitches) then
|
|
prefix:='_'+owner^.name^+'$$$_'
|
|
else
|
|
prefix:='_';
|
|
unitsymtable,
|
|
globalsymtable :
|
|
prefix:=
|
|
'U_'+owner^.name^+'_';
|
|
else
|
|
Message(sym_e_invalid_call_tvarsymmangledname);
|
|
end;
|
|
mangledname:=prefix+name;
|
|
end;
|
|
|
|
|
|
function tvarsym.getsize : longint;
|
|
begin
|
|
if assigned(vartype.def) and
|
|
(varspez=vs_value) and
|
|
((vartype.def^.deftype<>arraydef) or
|
|
(Parraydef(vartype.def)^.highrange>=Parraydef(vartype.def)^.lowrange)) then
|
|
getsize:=vartype.def^.size
|
|
else
|
|
getsize:=0;
|
|
end;
|
|
|
|
|
|
function tvarsym.getpushsize : longint;
|
|
begin
|
|
if assigned(vartype.def) then
|
|
begin
|
|
case varspez of
|
|
vs_var :
|
|
getpushsize:=target_os.size_of_pointer;
|
|
vs_value,
|
|
vs_const :
|
|
begin
|
|
if push_addr_param(vartype.def) then
|
|
getpushsize:=target_os.size_of_pointer
|
|
else
|
|
getpushsize:=vartype.def^.size;
|
|
end;
|
|
end;
|
|
end
|
|
else
|
|
getpushsize:=0;
|
|
end;
|
|
|
|
|
|
function data_align(length : longint) : longint;
|
|
begin
|
|
(* this is useless under go32v2 at least
|
|
because the section are only align to dword
|
|
if length>8 then
|
|
data_align:=16
|
|
else if length>4 then
|
|
data_align:=8
|
|
else *)
|
|
if length>2 then
|
|
data_align:=4
|
|
else
|
|
if length>1 then
|
|
data_align:=2
|
|
else
|
|
data_align:=1;
|
|
end;
|
|
|
|
|
|
procedure tvarsym.insert_in_data;
|
|
var
|
|
varalign,
|
|
l,ali,modulo : longint;
|
|
storefilepos : tfileposinfo;
|
|
begin
|
|
if (vo_is_external in varoptions) then
|
|
exit;
|
|
{ handle static variables of objects especially }
|
|
if read_member and (owner^.symtabletype=objectsymtable) and
|
|
(sp_static in symoptions) then
|
|
begin
|
|
{ the data filed is generated in parser.pas
|
|
with a tobject_FIELDNAME variable }
|
|
{ this symbol can't be loaded to a register }
|
|
{$ifdef INCLUDEOK}
|
|
exclude(varoptions,vo_regable);
|
|
exclude(varoptions,vo_fpuregable);
|
|
{$else}
|
|
varoptions:=varoptions-[vo_regable,vo_fpuregable];
|
|
{$endif}
|
|
end
|
|
else
|
|
if not(read_member) then
|
|
begin
|
|
{ made problems with parameters etc. ! (FK) }
|
|
{ check for instance of an abstract object or class }
|
|
{
|
|
if (pvarsym(sym)^.definition^.deftype=objectdef) and
|
|
((pobjectdef(pvarsym(sym)^.definition)^.options and oo_is_abstract)<>0) then
|
|
Message(sym_e_no_instance_of_abstract_object);
|
|
}
|
|
storefilepos:=aktfilepos;
|
|
aktfilepos:=tokenpos;
|
|
if (vo_is_thread_var in varoptions) then
|
|
l:=4
|
|
else
|
|
l:=getsize;
|
|
case owner^.symtabletype of
|
|
stt_exceptsymtable:
|
|
{ can contain only one symbol, address calculated later }
|
|
;
|
|
localsymtable :
|
|
begin
|
|
varstate:=vs_declared;
|
|
modulo:=owner^.datasize and 3;
|
|
{$ifdef m68k}
|
|
{ word alignment required for motorola }
|
|
if (l=1) then
|
|
l:=2
|
|
else
|
|
{$endif}
|
|
{
|
|
if (cs_optimize in aktglobalswitches) and
|
|
(aktoptprocessor in [classp5,classp6]) and
|
|
(l>=8) and ((owner^.datasize and 7)<>0) then
|
|
inc(owner^.datasize,8-(owner^.datasize and 7))
|
|
else
|
|
}
|
|
begin
|
|
if (l>=4) and (modulo<>0) then
|
|
inc(l,4-modulo)
|
|
else
|
|
if (l>=2) and ((modulo and 1)<>0) then
|
|
inc(l,2-(modulo and 1));
|
|
end;
|
|
inc(owner^.datasize,l);
|
|
address:=owner^.datasize;
|
|
end;
|
|
staticsymtable :
|
|
begin
|
|
{ enable unitialized warning for local symbols }
|
|
varstate:=vs_declared;
|
|
if (cs_create_smart in aktmoduleswitches) then
|
|
bsssegment^.concat(new(pai_cut,init));
|
|
ali:=data_align(l);
|
|
if ali>1 then
|
|
begin
|
|
modulo:=owner^.datasize mod ali;
|
|
if modulo>0 then
|
|
inc(owner^.datasize,ali-modulo);
|
|
end;
|
|
{$ifdef GDB}
|
|
if cs_debuginfo in aktmoduleswitches then
|
|
concatstabto(bsssegment);
|
|
{$endif GDB}
|
|
|
|
if (cs_create_smart in aktmoduleswitches) or
|
|
DLLSource or
|
|
(vo_is_C_var in varoptions) then
|
|
bsssegment^.concat(new(pai_datablock,init_global(mangledname,l)))
|
|
else
|
|
bsssegment^.concat(new(pai_datablock,init(mangledname,l)));
|
|
{ increase datasize }
|
|
inc(owner^.datasize,l);
|
|
{ this symbol can't be loaded to a register }
|
|
{$ifdef INCLUDEOK}
|
|
exclude(varoptions,vo_regable);
|
|
exclude(varoptions,vo_fpuregable);
|
|
{$else}
|
|
varoptions:=varoptions-[vo_regable,vo_fpuregable];
|
|
{$endif}
|
|
end;
|
|
globalsymtable :
|
|
begin
|
|
if (cs_create_smart in aktmoduleswitches) then
|
|
bsssegment^.concat(new(pai_cut,init));
|
|
ali:=data_align(l);
|
|
if ali>1 then
|
|
begin
|
|
modulo:=owner^.datasize mod ali;
|
|
if modulo>0 then
|
|
inc(owner^.datasize,ali-modulo);
|
|
end;
|
|
{$ifdef GDB}
|
|
if cs_debuginfo in aktmoduleswitches then
|
|
concatstabto(bsssegment);
|
|
{$endif GDB}
|
|
bsssegment^.concat(new(pai_datablock,init_global(mangledname,l)));
|
|
inc(owner^.datasize,l);
|
|
{ this symbol can't be loaded to a register }
|
|
{$ifdef INCLUDEOK}
|
|
exclude(varoptions,vo_regable);
|
|
exclude(varoptions,vo_fpuregable);
|
|
{$else}
|
|
varoptions:=varoptions-[vo_regable,vo_fpuregable];
|
|
{$endif}
|
|
end;
|
|
recordsymtable,
|
|
objectsymtable :
|
|
begin
|
|
{ this symbol can't be loaded to a register }
|
|
{$ifdef INCLUDEOK}
|
|
exclude(varoptions,vo_regable);
|
|
exclude(varoptions,vo_fpuregable);
|
|
{$else}
|
|
varoptions:=varoptions-[vo_regable,vo_fpuregable];
|
|
{$endif}
|
|
{ get the alignment size }
|
|
if (aktpackrecords=packrecord_C) then
|
|
begin
|
|
varalign:=vartype.def^.alignment;
|
|
if varalign=0 then
|
|
begin
|
|
if (owner^.dataalignment<4) then
|
|
begin
|
|
if (l>=4) then
|
|
owner^.dataalignment:=4
|
|
else
|
|
if (owner^.dataalignment<2) and (l>=2) then
|
|
owner^.dataalignment:=2;
|
|
end;
|
|
end;
|
|
end
|
|
else
|
|
varalign:=0;
|
|
{ align record and object fields }
|
|
if (l=1) or (varalign=1) or (owner^.dataalignment=1) then
|
|
begin
|
|
address:=owner^.datasize;
|
|
inc(owner^.datasize,l)
|
|
end
|
|
else
|
|
if (l=2) or (varalign=2) or (owner^.dataalignment=2) then
|
|
begin
|
|
owner^.datasize:=(owner^.datasize+1) and (not 1);
|
|
address:=owner^.datasize;
|
|
inc(owner^.datasize,l)
|
|
end
|
|
else
|
|
if (l<=4) or (varalign=4) or (owner^.dataalignment=4) then
|
|
begin
|
|
owner^.datasize:=(owner^.datasize+3) and (not 3);
|
|
address:=owner^.datasize;
|
|
inc(owner^.datasize,l);
|
|
end
|
|
else
|
|
if (l<=8) or (owner^.dataalignment=8) then
|
|
begin
|
|
owner^.datasize:=(owner^.datasize+7) and (not 7);
|
|
address:=owner^.datasize;
|
|
inc(owner^.datasize,l);
|
|
end
|
|
else
|
|
if (l<=16) or (owner^.dataalignment=16) then
|
|
begin
|
|
owner^.datasize:=(owner^.datasize+15) and (not 15);
|
|
address:=owner^.datasize;
|
|
inc(owner^.datasize,l);
|
|
end
|
|
else
|
|
if (l<=32) or (owner^.dataalignment=32) then
|
|
begin
|
|
owner^.datasize:=(owner^.datasize+31) and (not 31);
|
|
address:=owner^.datasize;
|
|
inc(owner^.datasize,l);
|
|
end;
|
|
end;
|
|
parasymtable :
|
|
begin
|
|
{ here we need the size of a push instead of the
|
|
size of the data }
|
|
l:=getpushsize;
|
|
varstate:=vs_assigned;
|
|
address:=owner^.datasize;
|
|
owner^.datasize:=align(owner^.datasize+l,target_os.stackalignment);
|
|
end
|
|
else
|
|
begin
|
|
modulo:=owner^.datasize and 3;
|
|
if (l>=4) and (modulo<>0) then
|
|
inc(owner^.datasize,4-modulo)
|
|
else
|
|
if (l>=2) and ((modulo and 1)<>0) then
|
|
inc(owner^.datasize);
|
|
address:=owner^.datasize;
|
|
inc(owner^.datasize,l);
|
|
end;
|
|
end;
|
|
aktfilepos:=storefilepos;
|
|
end;
|
|
end;
|
|
|
|
{$ifdef GDB}
|
|
function tvarsym.stabstring : pchar;
|
|
var
|
|
st : string[2];
|
|
begin
|
|
if (vartype.def^.deftype=objectdef) and
|
|
pobjectdef(vartype.def)^.is_class then
|
|
st:='*'
|
|
else
|
|
st:='';
|
|
if (owner^.symtabletype = objectsymtable) and
|
|
(sp_static in symoptions) then
|
|
begin
|
|
if (cs_gdb_gsym in aktglobalswitches) then st := 'G'+st else st := 'S'+st;
|
|
{$ifndef Delphi}
|
|
stabstring := strpnew('"'+owner^.name^+'__'+name+':'+st+
|
|
+vartype.def^.numberstring+'",'+
|
|
tostr(N_LCSYM)+',0,'+tostr(fileinfo.line)+','+mangledname);
|
|
{$endif}
|
|
end
|
|
else if (owner^.symtabletype = globalsymtable) or
|
|
(owner^.symtabletype = unitsymtable) then
|
|
begin
|
|
{ Here we used S instead of
|
|
because with G GDB doesn't look at the address field
|
|
but searches the same name or with a leading underscore
|
|
but these names don't exist in pascal !}
|
|
if (cs_gdb_gsym in aktglobalswitches) then st := 'G'+st else st := 'S'+st;
|
|
stabstring := strpnew('"'+name+':'+st
|
|
+vartype.def^.numberstring+'",'+
|
|
tostr(N_LCSYM)+',0,'+tostr(fileinfo.line)+','+mangledname);
|
|
end
|
|
else if owner^.symtabletype = staticsymtable then
|
|
begin
|
|
stabstring := strpnew('"'+name+':S'+st
|
|
+vartype.def^.numberstring+'",'+
|
|
tostr(N_LCSYM)+',0,'+tostr(fileinfo.line)+','+mangledname);
|
|
end
|
|
else if (owner^.symtabletype=parasymtable) then
|
|
begin
|
|
case varspez of
|
|
vs_var : st := 'v'+st;
|
|
vs_value,
|
|
vs_const : if push_addr_param(vartype.def) then
|
|
st := 'v'+st { should be 'i' but 'i' doesn't work }
|
|
else
|
|
st := 'p'+st;
|
|
end;
|
|
stabstring := strpnew('"'+name+':'+st
|
|
+vartype.def^.numberstring+'",'+
|
|
tostr(N_PSYM)+',0,'+tostr(fileinfo.line)+','+
|
|
tostr(address+owner^.address_fixup));
|
|
{offset to ebp => will not work if the framepointer is esp
|
|
so some optimizing will make things harder to debug }
|
|
end
|
|
else if (owner^.symtabletype=localsymtable) then
|
|
{$ifdef i386}
|
|
if reg<>R_NO then
|
|
begin
|
|
{ "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi", "eip", "ps", "cs", "ss", "ds", "es", "fs", "gs", }
|
|
{ this is the register order for GDB}
|
|
stabstring:=strpnew('"'+name+':r'+st
|
|
+vartype.def^.numberstring+'",'+
|
|
tostr(N_RSYM)+',0,'+
|
|
tostr(fileinfo.line)+','+tostr(GDB_i386index[reg]));
|
|
end
|
|
else
|
|
{$endif i386}
|
|
{ I don't know if this will work (PM) }
|
|
if (vo_is_C_var in varoptions) then
|
|
stabstring := strpnew('"'+name+':S'+st
|
|
+vartype.def^.numberstring+'",'+
|
|
tostr(N_LCSYM)+',0,'+tostr(fileinfo.line)+','+mangledname)
|
|
else
|
|
stabstring := strpnew('"'+name+':'+st
|
|
+vartype.def^.numberstring+'",'+
|
|
tostr(N_LSYM)+',0,'+tostr(fileinfo.line)+',-'+tostr(address))
|
|
else
|
|
stabstring := inherited stabstring;
|
|
end;
|
|
|
|
procedure tvarsym.concatstabto(asmlist : paasmoutput);
|
|
{$ifdef i386}
|
|
var stab_str : pchar;
|
|
{$endif i386}
|
|
begin
|
|
inherited concatstabto(asmlist);
|
|
{$ifdef i386}
|
|
if (owner^.symtabletype=parasymtable) and
|
|
(reg<>R_NO) then
|
|
begin
|
|
{ "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi", "eip", "ps", "cs", "ss", "ds", "es", "fs", "gs", }
|
|
{ this is the register order for GDB}
|
|
stab_str:=strpnew('"'+name+':r'
|
|
+vartype.def^.numberstring+'",'+
|
|
tostr(N_RSYM)+',0,'+
|
|
tostr(fileinfo.line)+','+tostr(GDB_i386index[reg]));
|
|
asmlist^.concat(new(pai_stabs,init(stab_str)));
|
|
end;
|
|
{$endif i386}
|
|
end;
|
|
{$endif GDB}
|
|
|
|
|
|
{****************************************************************************
|
|
TTYPEDCONSTSYM
|
|
*****************************************************************************}
|
|
|
|
constructor ttypedconstsym.init(const n : string;p : pdef;really_const : boolean);
|
|
begin
|
|
tsym.init(n);
|
|
typ:=typedconstsym;
|
|
typedconsttype.setdef(p);
|
|
is_really_const:=really_const;
|
|
prefix:=stringdup(procprefix);
|
|
end;
|
|
|
|
|
|
constructor ttypedconstsym.inittype(const n : string;const tt : ttype;really_const : boolean);
|
|
begin
|
|
ttypedconstsym.init(n,nil,really_const);
|
|
typedconsttype:=tt;
|
|
end;
|
|
|
|
|
|
constructor ttypedconstsym.load;
|
|
begin
|
|
tsym.load;
|
|
typ:=typedconstsym;
|
|
typedconsttype.load;
|
|
prefix:=stringdup(readstring);
|
|
is_really_const:=boolean(readbyte);
|
|
end;
|
|
|
|
|
|
destructor ttypedconstsym.done;
|
|
begin
|
|
stringdispose(prefix);
|
|
tsym.done;
|
|
end;
|
|
|
|
|
|
function ttypedconstsym.mangledname : string;
|
|
begin
|
|
mangledname:='TC_'+prefix^+'_'+name;
|
|
end;
|
|
|
|
|
|
function ttypedconstsym.getsize : longint;
|
|
begin
|
|
if assigned(typedconsttype.def) then
|
|
getsize:=typedconsttype.def^.size
|
|
else
|
|
getsize:=0;
|
|
end;
|
|
|
|
|
|
procedure ttypedconstsym.deref;
|
|
begin
|
|
typedconsttype.resolve;
|
|
end;
|
|
|
|
|
|
procedure ttypedconstsym.write;
|
|
begin
|
|
tsym.write;
|
|
typedconsttype.write;
|
|
writestring(prefix^);
|
|
writebyte(byte(is_really_const));
|
|
current_ppu^.writeentry(ibtypedconstsym);
|
|
end;
|
|
|
|
|
|
procedure ttypedconstsym.insert_in_data;
|
|
var
|
|
curconstsegment : paasmoutput;
|
|
l,ali,modulo : longint;
|
|
storefilepos : tfileposinfo;
|
|
begin
|
|
storefilepos:=aktfilepos;
|
|
aktfilepos:=tokenpos;
|
|
if is_really_const then
|
|
curconstsegment:=consts
|
|
else
|
|
curconstsegment:=datasegment;
|
|
if (cs_create_smart in aktmoduleswitches) then
|
|
curconstsegment^.concat(new(pai_cut,init));
|
|
l:=getsize;
|
|
ali:=data_align(l);
|
|
if ali>1 then
|
|
begin
|
|
curconstsegment^.concat(new(pai_align,init(ali)));
|
|
modulo:=owner^.datasize mod ali;
|
|
if modulo>0 then
|
|
inc(owner^.datasize,ali-modulo);
|
|
end;
|
|
{ Why was there no owner size update here ??? }
|
|
inc(owner^.datasize,l);
|
|
{$ifdef GDB}
|
|
if cs_debuginfo in aktmoduleswitches then
|
|
concatstabto(curconstsegment);
|
|
{$endif GDB}
|
|
if owner^.symtabletype=globalsymtable then
|
|
begin
|
|
curconstsegment^.concat(new(pai_symbol,initname_global(mangledname,getsize)));
|
|
end
|
|
else
|
|
if owner^.symtabletype<>unitsymtable then
|
|
begin
|
|
if (cs_create_smart in aktmoduleswitches) or
|
|
DLLSource then
|
|
curconstsegment^.concat(new(pai_symbol,initname_global(mangledname,getsize)))
|
|
else
|
|
curconstsegment^.concat(new(pai_symbol,initname(mangledname,getsize)));
|
|
end;
|
|
aktfilepos:=storefilepos;
|
|
end;
|
|
|
|
{$ifdef GDB}
|
|
function ttypedconstsym.stabstring : pchar;
|
|
var
|
|
st : char;
|
|
begin
|
|
if (cs_gdb_gsym in aktglobalswitches) and (owner^.symtabletype in [unitsymtable,globalsymtable]) then
|
|
st := 'G'
|
|
else
|
|
st := 'S';
|
|
stabstring := strpnew('"'+name+':'+st+
|
|
typedconsttype.def^.numberstring+'",'+tostr(n_STSYM)+',0,'+
|
|
tostr(fileinfo.line)+','+mangledname);
|
|
end;
|
|
{$endif GDB}
|
|
|
|
|
|
{****************************************************************************
|
|
TCONSTSYM
|
|
****************************************************************************}
|
|
|
|
constructor tconstsym.init(const n : string;t : tconsttyp;v : longint);
|
|
begin
|
|
inherited init(n);
|
|
typ:=constsym;
|
|
consttyp:=t;
|
|
value:=v;
|
|
ResStrIndex:=0;
|
|
consttype.reset;
|
|
len:=0;
|
|
end;
|
|
|
|
|
|
constructor tconstsym.init_def(const n : string;t : tconsttyp;v : longint;def : pdef);
|
|
begin
|
|
inherited init(n);
|
|
typ:=constsym;
|
|
consttyp:=t;
|
|
value:=v;
|
|
consttype.setdef(def);
|
|
len:=0;
|
|
end;
|
|
|
|
|
|
constructor tconstsym.init_string(const n : string;t : tconsttyp;str:pchar;l:longint);
|
|
begin
|
|
inherited init(n);
|
|
typ:=constsym;
|
|
consttyp:=t;
|
|
value:=longint(str);
|
|
consttype.reset;
|
|
len:=l;
|
|
if t=constresourcestring then
|
|
ResStrIndex:=registerresourcestring(name,pchar(value),len);
|
|
end;
|
|
|
|
constructor tconstsym.load;
|
|
var
|
|
pd : pbestreal;
|
|
ps : pnormalset;
|
|
begin
|
|
tsym.load;
|
|
typ:=constsym;
|
|
consttype.reset;
|
|
consttyp:=tconsttyp(readbyte);
|
|
case consttyp of
|
|
constint,
|
|
constbool,
|
|
constchar :
|
|
value:=readlong;
|
|
constpointer,
|
|
constord :
|
|
begin
|
|
consttype.load;
|
|
value:=readlong;
|
|
end;
|
|
conststring,constresourcestring :
|
|
begin
|
|
len:=readlong;
|
|
getmem(pchar(value),len+1);
|
|
current_ppu^.getdata(pchar(value)^,len);
|
|
if consttyp=constresourcestring then
|
|
ResStrIndex:=readlong;
|
|
end;
|
|
constreal :
|
|
begin
|
|
new(pd);
|
|
pd^:=readreal;
|
|
value:=longint(pd);
|
|
end;
|
|
constset :
|
|
begin
|
|
consttype.load;
|
|
new(ps);
|
|
readnormalset(ps^);
|
|
value:=longint(ps);
|
|
end;
|
|
constnil : ;
|
|
else
|
|
Message1(unit_f_ppu_invalid_entry,tostr(ord(consttyp)));
|
|
end;
|
|
end;
|
|
|
|
|
|
destructor tconstsym.done;
|
|
begin
|
|
case consttyp of
|
|
conststring :
|
|
freemem(pchar(value),len+1);
|
|
constreal :
|
|
dispose(pbestreal(value));
|
|
constset :
|
|
dispose(pnormalset(value));
|
|
end;
|
|
inherited done;
|
|
end;
|
|
|
|
|
|
function tconstsym.mangledname : string;
|
|
begin
|
|
mangledname:=name;
|
|
end;
|
|
|
|
|
|
procedure tconstsym.deref;
|
|
begin
|
|
if consttyp in [constord,constpointer,constset] then
|
|
consttype.resolve;
|
|
end;
|
|
|
|
|
|
procedure tconstsym.write;
|
|
begin
|
|
tsym.write;
|
|
writebyte(byte(consttyp));
|
|
case consttyp of
|
|
constnil : ;
|
|
constint,
|
|
constbool,
|
|
constchar :
|
|
writelong(value);
|
|
constpointer,
|
|
constord :
|
|
begin
|
|
consttype.write;
|
|
writelong(value);
|
|
end;
|
|
conststring,constresourcestring :
|
|
begin
|
|
writelong(len);
|
|
current_ppu^.putdata(pchar(value)^,len);
|
|
if consttyp=constresourcestring then
|
|
writelong(ResStrIndex);
|
|
end;
|
|
constreal :
|
|
writereal(pbestreal(value)^);
|
|
constset :
|
|
begin
|
|
consttype.write;
|
|
writenormalset(pointer(value)^);
|
|
end;
|
|
else
|
|
internalerror(13);
|
|
end;
|
|
current_ppu^.writeentry(ibconstsym);
|
|
end;
|
|
|
|
{$ifdef GDB}
|
|
function tconstsym.stabstring : pchar;
|
|
var st : string;
|
|
begin
|
|
{even GDB v4.16 only now 'i' 'r' and 'e' !!!}
|
|
case consttyp of
|
|
conststring : begin
|
|
{ I had to remove ibm2ascii !! }
|
|
st := pstring(value)^;
|
|
{st := ibm2ascii(pstring(value)^);}
|
|
st := 's'''+st+'''';
|
|
end;
|
|
constbool,
|
|
constint,
|
|
constpointer,
|
|
constord,
|
|
constchar : st := 'i'+tostr(value);
|
|
constreal : begin
|
|
system.str(pbestreal(value)^,st);
|
|
st := 'r'+st;
|
|
end;
|
|
{ if we don't know just put zero !! }
|
|
else st:='i0';
|
|
{***SETCONST}
|
|
{constset:;} {*** I don't know what to do with a set.}
|
|
{ sets are not recognized by GDB}
|
|
{***}
|
|
end;
|
|
stabstring := strpnew('"'+name+':c='+st+'",'+tostr(N_function)+',0,'+
|
|
tostr(fileinfo.line)+',0');
|
|
end;
|
|
|
|
procedure tconstsym.concatstabto(asmlist : paasmoutput);
|
|
begin
|
|
if consttyp <> conststring then
|
|
inherited concatstabto(asmlist);
|
|
end;
|
|
{$endif GDB}
|
|
|
|
|
|
{****************************************************************************
|
|
TENUMSYM
|
|
****************************************************************************}
|
|
|
|
constructor tenumsym.init(const n : string;def : penumdef;v : longint);
|
|
begin
|
|
tsym.init(n);
|
|
typ:=enumsym;
|
|
definition:=def;
|
|
value:=v;
|
|
if def^.min>v then
|
|
def^.setmin(v);
|
|
if def^.max<v then
|
|
def^.setmax(v);
|
|
order;
|
|
end;
|
|
|
|
|
|
constructor tenumsym.load;
|
|
begin
|
|
tsym.load;
|
|
typ:=enumsym;
|
|
definition:=penumdef(readdefref);
|
|
value:=readlong;
|
|
nextenum := Nil;
|
|
end;
|
|
|
|
|
|
procedure tenumsym.deref;
|
|
begin
|
|
resolvedef(pdef(definition));
|
|
order;
|
|
end;
|
|
|
|
|
|
procedure tenumsym.order;
|
|
var
|
|
sym : penumsym;
|
|
begin
|
|
sym := definition^.firstenum;
|
|
if sym = nil then
|
|
begin
|
|
definition^.firstenum := @self;
|
|
nextenum := nil;
|
|
exit;
|
|
end;
|
|
{ reorder the symbols in increasing value }
|
|
if value < sym^.value then
|
|
begin
|
|
nextenum := sym;
|
|
definition^.firstenum := @self;
|
|
end
|
|
else
|
|
begin
|
|
while (sym^.value <= value) and assigned(sym^.nextenum) do
|
|
sym := sym^.nextenum;
|
|
nextenum := sym^.nextenum;
|
|
sym^.nextenum := @self;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure tenumsym.write;
|
|
begin
|
|
tsym.write;
|
|
writedefref(definition);
|
|
writelong(value);
|
|
current_ppu^.writeentry(ibenumsym);
|
|
end;
|
|
|
|
|
|
{$ifdef GDB}
|
|
procedure tenumsym.concatstabto(asmlist : paasmoutput);
|
|
begin
|
|
{enum elements have no stab !}
|
|
end;
|
|
{$EndIf GDB}
|
|
|
|
|
|
{****************************************************************************
|
|
TTYPESYM
|
|
****************************************************************************}
|
|
|
|
constructor ttypesym.init(const n : string;const tt : ttype);
|
|
|
|
begin
|
|
tsym.init(n);
|
|
typ:=typesym;
|
|
restype:=tt;
|
|
{$ifdef GDB}
|
|
isusedinstab := false;
|
|
{$endif GDB}
|
|
{$ifdef SYNONYM}
|
|
if assigned(restype.def) then
|
|
begin
|
|
if not(assigned(restype.def^.typesym)) then
|
|
begin
|
|
restype.def^.typesym:=@self;
|
|
synonym:=nil;
|
|
{$ifdef INCLUDEOK}
|
|
include(symoptions,sp_primary_typesym);
|
|
{$else}
|
|
symoptions:=symoptions+[sp_primary_typesym];
|
|
{$endif}
|
|
end
|
|
else
|
|
begin
|
|
synonym:=restype.def^.typesym^.synonym;
|
|
restype.def^.typesym^.synonym:=@self;
|
|
end;
|
|
end;
|
|
{$else}
|
|
{ register the typesym for the definition }
|
|
if assigned(restype.def) and
|
|
not(assigned(restype.def^.typesym)) then
|
|
restype.def^.typesym:=@self;
|
|
{$endif}
|
|
end;
|
|
|
|
constructor ttypesym.initdef(const n : string;d : pdef);
|
|
var
|
|
t : ttype;
|
|
begin
|
|
t.setdef(d);
|
|
ttypesym.init(n,t);
|
|
end;
|
|
|
|
constructor ttypesym.load;
|
|
begin
|
|
tsym.load;
|
|
typ:=typesym;
|
|
{$ifdef SYNONYM}
|
|
synonym:=nil;
|
|
{$endif}
|
|
{$ifdef GDB}
|
|
isusedinstab := false;
|
|
{$endif GDB}
|
|
restype.load;
|
|
end;
|
|
|
|
{$ifdef SYNONYM}
|
|
destructor ttypesym.done;
|
|
var
|
|
prevsym : ptypesym;
|
|
begin
|
|
if assigned(restype.def) then
|
|
begin
|
|
prevsym:=restype.def^.typesym;
|
|
if prevsym=@self then
|
|
restype.def^.typesym:=synonym;
|
|
while assigned(prevsym) do
|
|
begin
|
|
if (prevsym^.synonym=@self) then
|
|
begin
|
|
prevsym^.synonym:=synonym;
|
|
break;
|
|
end;
|
|
prevsym:=prevsym^.synonym;
|
|
end;
|
|
end;
|
|
synonym:=nil;
|
|
inherited done;
|
|
end;
|
|
{$endif}
|
|
|
|
|
|
procedure ttypesym.prederef;
|
|
begin
|
|
restype.resolve;
|
|
{$ifdef SYNONYM}
|
|
if assigned(restype.def) then
|
|
begin
|
|
if (sp_primary_typesym in symoptions) then
|
|
begin
|
|
if restype.def^.typesym<>@self then
|
|
synonym:=restype.def^.typesym;
|
|
restype.def^.typesym:=@self;
|
|
end
|
|
else
|
|
begin
|
|
if assigned(restype.def^.typesym) then
|
|
begin
|
|
synonym:=restype.def^.typesym^.synonym;
|
|
if restype.def^.typesym<>@self then
|
|
restype.def^.typesym^.synonym:=@self;
|
|
end
|
|
else
|
|
restype.def^.typesym:=@self;
|
|
end;
|
|
if (restype.def^.deftype=recorddef) and assigned(precorddef(restype.def)^.symtable) and
|
|
(restype.def^.typesym=@self) then
|
|
precorddef(restype.def)^.symtable^.name:=stringdup('record '+name);
|
|
end;
|
|
{$endif}
|
|
end;
|
|
|
|
|
|
procedure ttypesym.write;
|
|
begin
|
|
tsym.write;
|
|
restype.write;
|
|
current_ppu^.writeentry(ibtypesym);
|
|
end;
|
|
|
|
|
|
procedure ttypesym.load_references;
|
|
begin
|
|
inherited load_references;
|
|
if (restype.def^.deftype=recorddef) then
|
|
precorddef(restype.def)^.symtable^.load_browser;
|
|
if (restype.def^.deftype=objectdef) then
|
|
pobjectdef(restype.def)^.symtable^.load_browser;
|
|
end;
|
|
|
|
|
|
function ttypesym.write_references : boolean;
|
|
begin
|
|
if not inherited write_references then
|
|
{ write address of this symbol if record or object
|
|
even if no real refs are there
|
|
because we need it for the symtable }
|
|
if (restype.def^.deftype=recorddef) or
|
|
(restype.def^.deftype=objectdef) then
|
|
begin
|
|
writesymref(@self);
|
|
current_ppu^.writeentry(ibsymref);
|
|
end;
|
|
write_references:=true;
|
|
if (restype.def^.deftype=recorddef) then
|
|
precorddef(restype.def)^.symtable^.write_browser;
|
|
if (restype.def^.deftype=objectdef) then
|
|
pobjectdef(restype.def)^.symtable^.write_browser;
|
|
end;
|
|
|
|
|
|
{$ifdef BrowserLog}
|
|
procedure ttypesym.add_to_browserlog;
|
|
begin
|
|
inherited add_to_browserlog;
|
|
if (restype.def^.deftype=recorddef) then
|
|
precorddef(restype.def)^.symtable^.writebrowserlog;
|
|
if (restype.def^.deftype=objectdef) then
|
|
pobjectdef(restype.def)^.symtable^.writebrowserlog;
|
|
end;
|
|
{$endif BrowserLog}
|
|
|
|
|
|
{$ifdef GDB}
|
|
function ttypesym.stabstring : pchar;
|
|
var
|
|
stabchar : string[2];
|
|
short : string;
|
|
begin
|
|
if restype.def^.deftype in tagtypes then
|
|
stabchar := 'Tt'
|
|
else
|
|
stabchar := 't';
|
|
short := '"'+name+':'+stabchar+restype.def^.numberstring
|
|
+'",'+tostr(N_LSYM)+',0,'+tostr(fileinfo.line)+',0';
|
|
stabstring := strpnew(short);
|
|
end;
|
|
|
|
procedure ttypesym.concatstabto(asmlist : paasmoutput);
|
|
begin
|
|
{not stabs for forward defs }
|
|
if assigned(restype.def) then
|
|
if (restype.def^.typesym = @self) then
|
|
restype.def^.concatstabto(asmlist)
|
|
else
|
|
inherited concatstabto(asmlist);
|
|
end;
|
|
{$endif GDB}
|
|
|
|
|
|
{****************************************************************************
|
|
TSYSSYM
|
|
****************************************************************************}
|
|
|
|
constructor tsyssym.init(const n : string;l : longint);
|
|
begin
|
|
inherited init(n);
|
|
typ:=syssym;
|
|
number:=l;
|
|
end;
|
|
|
|
constructor tsyssym.load;
|
|
begin
|
|
tsym.load;
|
|
typ:=syssym;
|
|
number:=readlong;
|
|
end;
|
|
|
|
destructor tsyssym.done;
|
|
begin
|
|
inherited done;
|
|
end;
|
|
|
|
procedure tsyssym.write;
|
|
begin
|
|
tsym.write;
|
|
writelong(number);
|
|
current_ppu^.writeentry(ibsyssym);
|
|
end;
|
|
|
|
{$ifdef GDB}
|
|
procedure tsyssym.concatstabto(asmlist : paasmoutput);
|
|
begin
|
|
end;
|
|
{$endif GDB}
|
|
|
|
|
|
{****************************************************************************
|
|
TMACROSYM
|
|
****************************************************************************}
|
|
|
|
constructor tmacrosym.init(const n : string);
|
|
begin
|
|
inherited init(n);
|
|
typ:=macrosym;
|
|
defined:=true;
|
|
defined_at_startup:=false;
|
|
is_used:=false;
|
|
buftext:=nil;
|
|
buflen:=0;
|
|
end;
|
|
|
|
destructor tmacrosym.done;
|
|
begin
|
|
if assigned(buftext) then
|
|
freemem(buftext,buflen);
|
|
inherited done;
|
|
end;
|
|
|
|
|
|
{
|
|
$Log$
|
|
Revision 1.136 2000-01-07 01:14:40 peter
|
|
* updated copyright to 2000
|
|
|
|
Revision 1.135 2000/01/03 19:26:04 peter
|
|
* fixed resolving of ttypesym which are reference from object/record
|
|
fields.
|
|
|
|
Revision 1.134 1999/12/20 21:42:37 pierre
|
|
+ dllversion global variable
|
|
* FPC_USE_CPREFIX code removed, not necessary anymore
|
|
as we use .edata direct writing by default now.
|
|
|
|
Revision 1.133 1999/12/14 09:58:42 florian
|
|
+ compiler checks now if a goto leaves an exception block
|
|
|
|
Revision 1.132 1999/12/01 12:42:33 peter
|
|
* fixed bug 698
|
|
* removed some notes about unused vars
|
|
|
|
Revision 1.131 1999/11/30 10:40:55 peter
|
|
+ ttype, tsymlist
|
|
|
|
Revision 1.130 1999/11/26 00:19:12 peter
|
|
* property overriding dereference fix, but it need a bigger redesign
|
|
which i'll do tomorrow. This quick hack is for the lazarus ppl so
|
|
they can hack on mwcustomedit.
|
|
|
|
Revision 1.129 1999/11/21 01:42:37 pierre
|
|
* Nextoverloading ordering fix
|
|
|
|
Revision 1.128 1999/11/20 01:22:20 pierre
|
|
+ cond FPC_USE_CPREFIX (needs also some RTL changes)
|
|
this allows to use unit global vars as DLL exports
|
|
(the underline prefix seems needed by dlltool)
|
|
|
|
Revision 1.127 1999/11/17 17:05:04 pierre
|
|
* Notes/hints changes
|
|
|
|
Revision 1.126 1999/11/15 22:00:48 peter
|
|
* labels used but not defined give error instead of warning, the warning
|
|
is now only with declared but not defined and not used.
|
|
|
|
Revision 1.125 1999/11/08 14:02:17 florian
|
|
* problem with "index X"-properties solved
|
|
* typed constants of class references are now allowed
|
|
|
|
Revision 1.124 1999/11/06 14:34:27 peter
|
|
* truncated log to 20 revs
|
|
|
|
Revision 1.123 1999/11/05 17:18:03 pierre
|
|
* local browsing works at first level
|
|
ie for function defined in interface or implementation
|
|
not yet for functions inside other functions
|
|
|
|
Revision 1.122 1999/10/21 16:41:41 florian
|
|
* problems with readln fixed: esi wasn't restored correctly when
|
|
reading ordinal fields of objects futher the register allocation
|
|
didn't take care of the extra register when reading ordinal values
|
|
* enumerations can now be used in constant indexes of properties
|
|
|
|
Revision 1.121 1999/10/01 08:02:48 peter
|
|
* forward type declaration rewritten
|
|
|
|
Revision 1.120 1999/09/27 23:44:58 peter
|
|
* procinfo is now a pointer
|
|
* support for result setting in sub procedure
|
|
|
|
Revision 1.119 1999/09/26 21:30:22 peter
|
|
+ constant pointer support which can happend with typecasting like
|
|
const p=pointer(1)
|
|
* better procvar parsing in typed consts
|
|
|
|
Revision 1.118 1999/09/20 16:39:03 peter
|
|
* cs_create_smart instead of cs_smartlink
|
|
* -CX is create smartlink
|
|
* -CD is create dynamic, but does nothing atm.
|
|
|
|
Revision 1.117 1999/08/31 15:42:24 pierre
|
|
+ tmacrosym is_used and defined_at_startup boolean fields added
|
|
|
|
Revision 1.116 1999/08/24 22:38:55 michael
|
|
* more resourcestring changes
|
|
|
|
Revision 1.115 1999/08/23 11:45:42 michael
|
|
* Hopefully final attempt at resourcestrings
|
|
|
|
Revision 1.114 1999/08/15 21:57:58 michael
|
|
Changes for resource strings
|
|
|
|
Revision 1.113 1999/08/14 00:39:00 peter
|
|
* hack to support property with record fields
|
|
|
|
Revision 1.112 1999/08/13 14:24:20 pierre
|
|
+ stabs for classes and classref working,
|
|
a class still needs an ^ to get that content of it,
|
|
but the class fields inside a class don't result into an
|
|
infinite loop anymore!
|
|
|
|
Revision 1.111 1999/08/10 12:36:31 pierre
|
|
* use of procsym field for correct gdb info in local procedures
|
|
* exported DLL vars made global to be able to use DLLTOOL with themz
|
|
|
|
Revision 1.110 1999/08/07 14:21:03 florian
|
|
* some small problems fixed
|
|
|
|
Revision 1.109 1999/08/07 13:24:34 daniel
|
|
* Fixed open arrays
|
|
|
|
Revision 1.108 1999/08/05 16:53:17 peter
|
|
* V_Fatal=1, all other V_ are also increased
|
|
* Check for local procedure when assigning procvar
|
|
* fixed comment parsing because directives
|
|
* oldtp mode directives better supported
|
|
* added some messages to errore.msg
|
|
|
|
Revision 1.107 1999/08/04 13:45:30 florian
|
|
+ floating point register variables !!
|
|
* pairegalloc is now generated for register variables
|
|
|
|
Revision 1.106 1999/08/03 22:03:19 peter
|
|
* moved bitmask constants to sets
|
|
* some other type/const renamings
|
|
|
|
Revision 1.105 1999/07/29 20:54:10 peter
|
|
* write .size also
|
|
|
|
Revision 1.104 1999/07/27 23:42:21 peter
|
|
* indirect type referencing is now allowed
|
|
|
|
}
|