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			442 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			442 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
| {
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|     $Id$
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|     Copyright (c) 1998-2002 by Florian Klaempfl, Pierre Muller
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| 
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|     Symbol table constants
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| 
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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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| 
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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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| 
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|     You should have received a copy of the GNU General Public License
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|     along with this program; if not, write to the Free Software
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|     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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|  ****************************************************************************
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| }
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| unit symconst;
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| 
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| {$i fpcdefs.inc}
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| 
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| interface
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| 
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| uses
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|   globtype;
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| 
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| const
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|   def_alignment = 4;
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| 
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|   { if you change one of the following contants, }
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|   { you have also to change the typinfo unit}
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|   { and the rtl/i386,template/rttip.inc files    }
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|   tkUnknown  = 0;
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|   tkInteger  = 1;
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|   tkChar     = 2;
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|   tkEnumeration   = 3;
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|   tkFloat    = 4;
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|   tkSet      = 5;
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|   tkMethod   = 6;
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|   tkSString  = 7;
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|   tkString   = tkSString;
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|   tkLString  = 8;
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| {$ifdef ansistring_bits}
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|   tkA32String  = 9;
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| {$else}
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|   tkAString  = 9;
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| {$endif}
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|   tkWString  = 10;
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|   tkVariant  = 11;
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|   tkArray    = 12;
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|   tkRecord   = 13;
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|   tkInterface= 14;
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|   tkClass    = 15;
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|   tkObject   = 16;
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|   tkWChar    = 17;
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|   tkBool     = 18;
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|   tkInt64    = 19;
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|   tkQWord    = 20;
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|   tkDynArray = 21;
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|   tkInterfaceCorba = 22;
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| {$ifdef ansistring_bits}
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|   tkA16string = 23;
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|   tkA64string = 24;
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| {$endif}
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| 
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|   otSByte    = 0;
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|   otUByte    = 1;
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|   otSWord    = 2;
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|   otUWord    = 3;
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|   otSLong    = 4;
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|   otULong    = 5;
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| 
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|   ftSingle   = 0;
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|   ftDouble   = 1;
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|   ftExtended = 2;
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|   ftComp     = 3;
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|   ftCurr     = 4;
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|   ftFloat128 = 5;
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| 
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|   mkProcedure= 0;
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|   mkFunction = 1;
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|   mkConstructor   = 2;
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|   mkDestructor    = 3;
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|   mkClassProcedure= 4;
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|   mkClassFunction = 5;
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| 
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|   pfvar      = 1;
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|   pfConst    = 2;
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|   pfArray    = 4;
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|   pfAddress  = 8;
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|   pfReference= 16;
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|   pfOut      = 32;
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| 
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|   unknown_level         = 0;
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|   main_program_level    = 1;
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|   normal_function_level = 2;
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| 
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| 
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| type
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|   { Deref entry options }
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|   tdereftype = (deref_nil,
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|     deref_sym,
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|     deref_def,
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|     deref_aktrecord,
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|     deref_aktstatic,
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|     deref_aktglobal,
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|     deref_aktlocal,
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|     deref_aktpara,
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|     deref_unit,
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|     deref_record,
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|     deref_local,
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|     deref_para,
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|     deref_parent_object
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|   );
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| 
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|   { symbol options }
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|   tsymoption=(sp_none,
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|     sp_public,
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|     sp_private,
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|     sp_published,
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|     sp_protected,
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|     sp_static,
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|     sp_hint_deprecated,
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|     sp_hint_platform,
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|     sp_hint_library,
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|     sp_hint_unimplemented,
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|     sp_has_overloaded,
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|     sp_internal  { internal symbol, not reported as unused }
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|   );
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|   tsymoptions=set of tsymoption;
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| 
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|   { flags for a definition }
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|   tdefoption=(df_none,
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|     { init data has been generated }
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|     df_has_inittable,
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|     { rtti data has been generated }
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|     df_has_rttitable,
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|     { type is unique, i.e. declared with type = type <tdef>; }
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|     df_unique
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|   );
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|   tdefoptions=set of tdefoption;
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| 
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|   { tsymlist entry types }
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|   tsltype = (sl_none,
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|     sl_load,
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|     sl_call,
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|     sl_subscript,
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|     sl_vec,
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|     sl_typeconv
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|   );
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| 
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|   { base types for orddef }
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|   tbasetype = (
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|     uvoid,
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|     u8bit,u16bit,u32bit,u64bit,
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|     s8bit,s16bit,s32bit,s64bit,
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|     bool8bit,bool16bit,bool32bit,
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|     uchar,uwidechar,scurrency
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|   );
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| 
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|   { float types }
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|   tfloattype = (
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|     s32real,s64real,s80real,
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|     s64comp,s64currency,s128real
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|   );
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| 
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|   { string types }
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|   tstringtype = (st_default,
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|     st_shortstring,
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|     st_longstring,
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|   {$ifndef ansistring_bits}
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|     st_ansistring,
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|   {$else}
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|     st_ansistring16,
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|     st_ansistring32,
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|     st_ansistring64,
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|   {$endif}
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|     st_widestring
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|   );
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| 
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|   { set types }
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|   tsettype = (
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|     normset,smallset,varset
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|   );
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| 
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|   tvarianttype = (
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|     vt_normalvariant,vt_olevariant
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|   );
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| 
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|   tcallercallee = (callerside,calleeside);
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| 
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|   { basic type for tprocdef and tprocvardef }
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|   tproctypeoption=(potype_none,
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|     potype_proginit,     { Program initialization }
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|     potype_unitinit,     { unit initialization }
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|     potype_unitfinalize, { unit finalization }
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|     potype_constructor,  { Procedure is a constructor }
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|     potype_destructor,   { Procedure is a destructor }
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|     potype_operator      { Procedure defines an operator }
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|   );
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|   tproctypeoptions=set of tproctypeoption;
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| 
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|   { other options for tprocdef and tprocvardef }
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|   tprocoption=(po_none,
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|     po_classmethod,       { class method }
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|     po_virtualmethod,     { Procedure is a virtual method }
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|     po_abstractmethod,    { Procedure is an abstract method }
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|     po_staticmethod,      { static method }
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|     po_overridingmethod,  { method with override directive }
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|     po_methodpointer,     { method pointer, only in procvardef, also used for 'with object do' }
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|     po_interrupt,         { Procedure is an interrupt handler }
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|     po_iocheck,           { IO checking should be done after a call to the procedure }
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|     po_assembler,         { Procedure is written in assembler }
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|     po_msgstr,            { method for string message handling }
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|     po_msgint,            { method for int message handling }
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|     po_exports,           { Procedure has export directive (needed for OS/2) }
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|     po_external,          { Procedure is external (in other object or lib)}
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|     po_saveregisters,     { save all registers }
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|     po_overload,          { procedure is declared with overload directive }
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|     po_varargs,           { printf like arguments }
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|     po_internconst,       { procedure has constant evaluator intern }
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|     { flag that only the address of a method is returned and not a full methodpointer }
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|     po_addressonly,
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|     { procedure is exported }
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|     po_public,
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|     { calling convention is specified explicitly }
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|     po_hascallingconvention,
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|     { reintroduce flag }
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|     po_reintroduce,
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|     { location of parameters is given explicitly as it is necessary for some syscall
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|       conventions like that one of MorphOS }
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|     po_explicitparaloc,
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|     { no stackframe will be generated, used by lowlevel assembler like get_frame }
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|     po_nostackframe
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|   );
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|   tprocoptions=set of tprocoption;
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| 
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|   { options for objects and classes }
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|   tobjectdeftype = (odt_none,
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|     odt_class,
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|     odt_object,
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|     odt_interfacecom,
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|     odt_interfacecorba,
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|     odt_cppclass,
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|     odt_dispinterface
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|   );
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| 
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|   { options for objects and classes }
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|   tobjectoption=(oo_none,
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|     oo_is_forward,         { the class is only a forward declared yet }
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|     oo_has_virtual,        { the object/class has virtual methods }
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|     oo_has_private,
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|     oo_has_protected,
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|     oo_has_constructor,    { the object/class has a constructor }
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|     oo_has_destructor,     { the object/class has a destructor }
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|     oo_has_vmt,            { the object/class has a vmt }
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|     oo_has_msgstr,
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|     oo_has_msgint,
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|     oo_can_have_published,{ the class has rtti, i.e. you can publish properties }
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|     oo_has_default_property
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|   );
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|   tobjectoptions=set of tobjectoption;
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| 
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|   { options for properties }
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|   tpropertyoption=(ppo_none,
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|     ppo_indexed,
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|     ppo_defaultproperty,
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|     ppo_stored,
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|     ppo_hasparameters,
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|     ppo_is_override
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|   );
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|   tpropertyoptions=set of tpropertyoption;
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| 
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|   { options for variables }
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|   tvaroption=(vo_none,
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|     vo_regable,
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|     vo_is_C_var,
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|     vo_is_external,
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|     vo_is_dll_var,
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|     vo_is_thread_var,
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|     vo_fpuregable,
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|     vo_has_local_copy,
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|     vo_is_const,  { variable is declared as const (parameter) and can't be written to }
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|     vo_is_exported,
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|     vo_is_high_value,
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|     vo_is_funcret,
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|     vo_is_self,
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|     vo_is_vmt,
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|     vo_is_result,  { special result variable }
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|     vo_is_reg_para, { register parameter, no space allocation in parast, but in localst }
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|     vo_is_parentfp
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|   );
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|   tvaroptions=set of tvaroption;
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| 
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|   { types of the symtables }
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|   tsymtabletype = (abstractsymtable,
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|     globalsymtable,staticsymtable,
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|     objectsymtable,recordsymtable,
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|     localsymtable,parasymtable,
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|     withsymtable,stt_exceptsymtable
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|   );
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| 
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| 
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|   { definition contains the informations about a type }
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|   tdeftype = (abstractdef,arraydef,recorddef,pointerdef,orddef,
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|               stringdef,enumdef,procdef,objectdef,errordef,
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|               filedef,formaldef,setdef,procvardef,floatdef,
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|               classrefdef,forwarddef,variantdef);
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| 
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|   { possible types for symtable entries }
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|   tsymtyp = (abstractsym,varsym,typesym,procsym,unitsym,
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|              constsym,enumsym,typedconstsym,errorsym,syssym,
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|              labelsym,absolutesym,propertysym,macrosym,rttisym);
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| 
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|   { State of the variable, if it's declared, assigned or used }
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|   tvarstate=(vs_none,
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|     vs_declared,vs_assigned,vs_used
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|   );
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| 
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|   tvarspez = (vs_value,vs_const,vs_var,vs_out);
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| 
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|   absolutetyp = (tovar,toasm,toaddr);
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| 
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|   tconsttyp = (constnone,
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|     constord,conststring,constreal,
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|     constset,constpointer,constnil,
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|     constresourcestring,constwstring,constguid
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|   );
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| 
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|   { RTTI information to store }
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|   trttitype = (
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|     fullrtti,initrtti
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|   );
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| 
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|   { The order is from low priority to high priority,
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|     Note: the operators > and < are used on this list }
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|   tequaltype = (
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|     te_incompatible,
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|     te_convert_operator,
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|     te_convert_l3,     { compatible conversion with possible loss of data }
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|     te_convert_l2,     { compatible less prefered conversion }
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|     te_convert_l1,     { compatible conversion     }
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|     te_equal,          { the definitions are equal }
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|     te_exact
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|   );
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| 
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| {$ifdef GDB}
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| type
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|   tdefstabstatus = (
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|     stab_state_unused,
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|     stab_state_used,
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|     stab_state_writing,
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|     stab_state_written
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|   );
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| 
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| const
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|   tagtypes : Set of tdeftype =
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|     [recorddef,enumdef,
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|     {$IfNDef GDBKnowsStrings}
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|     stringdef,
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|     {$EndIf not GDBKnowsStrings}
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|     {$IfNDef GDBKnowsFiles}
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|     filedef,
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|     {$EndIf not GDBKnowsFiles}
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|     objectdef];
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| {$endif GDB}
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| 
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| 
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| const
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|    savestdregs_pocalls = [
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|      pocall_cdecl,pocall_cppdecl,pocall_syscall,
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|      pocall_stdcall,pocall_safecall,pocall_compilerproc,
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|      pocall_register,pocall_softfloat
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|    ];
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| 
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|    clearstack_pocalls = [
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|      pocall_cdecl,pocall_cppdecl,pocall_syscall
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|    ];
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| 
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|    pushleftright_pocalls : tproccalloptions = [pocall_register,pocall_pascal];
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| 
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|      SymTypeName : array[tsymtyp] of string[12] = (
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|        'abstractsym','variable','type','proc','unit',
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|        'const','enum','typed const','errorsym','system sym',
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|        'label','absolute','property','macrosym','rttisym'
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|      );
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| 
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|      DefTypeName : array[tdeftype] of string[12] = (
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|        'abstractdef','arraydef','recorddef','pointerdef','orddef',
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|        'stringdef','enumdef','procdef','objectdef','errordef',
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|        'filedef','formaldef','setdef','procvardef','floatdef',
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|        'classrefdef','forwarddef','variantdef'
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|      );
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| 
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|      EqualTypeName : array[tequaltype] of string[16] = (
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|        'incompatible','convert_operator','convert_l3','convert_l2',
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|        'convert_l1','equal','exact'
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|      );
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| 
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| implementation
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| 
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| initialization
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|   if pocall_default in [pocall_register,pocall_internproc] then
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|     include(pushleftright_pocalls,pocall_compilerproc);
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| 
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| end.
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| {
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|   $Log$
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|   Revision 1.87  2004-08-25 15:57:04  peter
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|     * allow only 1 default property
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| 
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|   Revision 1.86  2004/07/09 22:17:32  peter
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|     * revert has_localst patch
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|     * replace aktstaticsymtable/aktglobalsymtable with current_module
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| 
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|   Revision 1.85  2004/07/06 19:52:04  peter
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|     * fix storing of localst in ppu
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| 
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|   Revision 1.84  2004/06/20 08:55:30  florian
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|     * logs truncated
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| 
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|   Revision 1.83  2004/06/16 20:07:09  florian
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|     * dwarf branch merged
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| 
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|   Revision 1.82  2004/05/23 14:32:17  peter
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|     * tprocinfoflag moved to globtype
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| 
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|   Revision 1.81  2004/04/29 19:56:37  daniel
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|     * Prepare compiler infrastructure for multiple ansistring types
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| 
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|   Revision 1.80  2004/04/28 15:19:03  florian
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|     + syscall directive support for MorphOS added
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| 
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|   Revision 1.79  2004/04/18 15:22:24  florian
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|     + location support for arguments, currently PowerPC/MorphOS only
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| 
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| }
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