{ $Id$ Copyright (c) 1993-98 by Florian Klaempfl Load the system unit, create required defs for systemunit This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. **************************************************************************** } unit psystem; interface uses symtable; procedure insertinternsyms(p : psymtable); procedure insert_intern_types(p : psymtable); procedure readconstdefs; procedure createconstdefs; implementation uses globtype,globals,symconst,tree; procedure insertinternsyms(p : psymtable); { all intern procedures for system unit } begin p^.insert(new(psyssym,init('CONCAT',in_concat_x))); p^.insert(new(psyssym,init('WRITE',in_write_x))); p^.insert(new(psyssym,init('WRITELN',in_writeln_x))); p^.insert(new(psyssym,init('ASSIGNED',in_assigned_x))); p^.insert(new(psyssym,init('READ',in_read_x))); p^.insert(new(psyssym,init('READLN',in_readln_x))); p^.insert(new(psyssym,init('OFS',in_ofs_x))); p^.insert(new(psyssym,init('SIZEOF',in_sizeof_x))); p^.insert(new(psyssym,init('TYPEOF',in_typeof_x))); p^.insert(new(psyssym,init('LOW',in_low_x))); p^.insert(new(psyssym,init('HIGH',in_high_x))); p^.insert(new(psyssym,init('SEG',in_seg_x))); p^.insert(new(psyssym,init('ORD',in_ord_x))); p^.insert(new(psyssym,init('PRED',in_pred_x))); p^.insert(new(psyssym,init('SUCC',in_succ_x))); p^.insert(new(psyssym,init('EXCLUDE',in_exclude_x_y))); p^.insert(new(psyssym,init('INCLUDE',in_include_x_y))); p^.insert(new(psyssym,init('BREAK',in_break))); p^.insert(new(psyssym,init('CONTINUE',in_continue))); p^.insert(new(psyssym,init('DEC',in_dec_x))); p^.insert(new(psyssym,init('INC',in_inc_x))); p^.insert(new(psyssym,init('STR',in_str_x_string))); p^.insert(new(psyssym,init('ASSERT',in_assert_x_y))); p^.insert(new(psyssym,init('VAL',in_val_x))); p^.insert(new(psyssym,init('ADDR',in_addr_x))); end; procedure insert_intern_types(p : psymtable); { all the types inserted into the system unit } var { several defs to simulate more or less C++ objects for GDB } vmtdef : precorddef; pvmtdef : ppointerdef; vmtarraydef : parraydef; vmtsymtable : psymtable; begin { Internal types } p^.insert(new(ptypesym,init('formal',cformaldef))); p^.insert(new(ptypesym,init('void',voiddef))); p^.insert(new(ptypesym,init('byte',u8bitdef))); p^.insert(new(ptypesym,init('word',u16bitdef))); p^.insert(new(ptypesym,init('ulong',u32bitdef))); p^.insert(new(ptypesym,init('longint',s32bitdef))); p^.insert(new(ptypesym,init('qword',cu64bitdef))); p^.insert(new(ptypesym,init('int64',cs64bitdef))); p^.insert(new(ptypesym,init('char',cchardef))); p^.insert(new(ptypesym,init('shortstring',cshortstringdef))); p^.insert(new(ptypesym,init('longstring',clongstringdef))); p^.insert(new(ptypesym,init('ansistring',cansistringdef))); p^.insert(new(ptypesym,init('widestring',cwidestringdef))); p^.insert(new(ptypesym,init('openshortstring',openshortstringdef))); p^.insert(new(ptypesym,init('boolean',booldef))); p^.insert(new(ptypesym,init('void_pointer',voidpointerdef))); p^.insert(new(ptypesym,init('char_pointer',charpointerdef))); p^.insert(new(ptypesym,init('void_farpointer',voidfarpointerdef))); p^.insert(new(ptypesym,init('openchararray',openchararraydef))); p^.insert(new(ptypesym,init('file',cfiledef))); p^.insert(new(ptypesym,init('s32real',s32floatdef))); p^.insert(new(ptypesym,init('s64real',s64floatdef))); p^.insert(new(ptypesym,init('s80real',s80floatdef))); p^.insert(new(ptypesym,init('s32fixed',s32fixeddef))); { Add a type for virtual method tables in lowercase } { so it isn't reachable! } vmtsymtable:=new(psymtable,init(recordsymtable)); vmtdef:=new(precorddef,init(vmtsymtable)); pvmtdef:=new(ppointerdef,init(vmtdef)); vmtsymtable^.insert(new(pvarsym,init('parent',pvmtdef))); vmtsymtable^.insert(new(pvarsym,init('length',globaldef('longint')))); vmtsymtable^.insert(new(pvarsym,init('mlength',globaldef('longint')))); vmtarraydef:=new(parraydef,init(0,1,s32bitdef)); vmtarraydef^.definition := voidpointerdef; vmtsymtable^.insert(new(pvarsym,init('__pfn',vmtarraydef))); p^.insert(new(ptypesym,init('__vtbl_ptr_type',vmtdef))); p^.insert(new(ptypesym,init('pvmt',pvmtdef))); vmtarraydef:=new(parraydef,init(0,1,s32bitdef)); vmtarraydef^.definition := pvmtdef; p^.insert(new(ptypesym,init('vtblarray',vmtarraydef))); insertinternsyms(p); { Normal types } p^.insert(new(ptypesym,init('SINGLE',s32floatdef))); p^.insert(new(ptypesym,init('DOUBLE',s64floatdef))); p^.insert(new(ptypesym,init('EXTENDED',s80floatdef))); p^.insert(new(ptypesym,init('REAL',s64floatdef))); {$ifdef i386} p^.insert(new(ptypesym,init('COMP',new(pfloatdef,init(s64comp))))); {$endif} p^.insert(new(ptypesym,init('POINTER',voidpointerdef))); p^.insert(new(ptypesym,init('FARPOINTER',voidfarpointerdef))); { p^.insert(new(ptypesym,init('STRING',cshortstringdef))); } p^.insert(new(ptypesym,init('SHORTSTRING',cshortstringdef))); p^.insert(new(ptypesym,init('LONGSTRING',clongstringdef))); p^.insert(new(ptypesym,init('ANSISTRING',cansistringdef))); p^.insert(new(ptypesym,init('WIDESTRING',cwidestringdef))); p^.insert(new(ptypesym,init('BOOLEAN',booldef))); p^.insert(new(ptypesym,init('BYTEBOOL',booldef))); p^.insert(new(ptypesym,init('WORDBOOL',new(porddef,init(bool16bit,0,1))))); p^.insert(new(ptypesym,init('LONGBOOL',new(porddef,init(bool32bit,0,1))))); p^.insert(new(ptypesym,init('CHAR',cchardef))); p^.insert(new(ptypesym,init('TEXT',new(pfiledef,init(ft_text,nil))))); p^.insert(new(ptypesym,init('CARDINAL',u32bitdef))); p^.insert(new(ptypesym,init('FIXED',new(pfloatdef,init(f32bit))))); p^.insert(new(ptypesym,init('FIXED16',new(pfloatdef,init(f16bit))))); p^.insert(new(ptypesym,init('QWORD',cu64bitdef))); p^.insert(new(ptypesym,init('INT64',cs64bitdef))); p^.insert(new(ptypesym,init('TYPEDFILE',new(pfiledef,init(ft_typed,voiddef))))); end; procedure readconstdefs; { Load all default definitions for consts from the system unit } begin u8bitdef:=porddef(globaldef('byte')); u16bitdef:=porddef(globaldef('word')); u32bitdef:=porddef(globaldef('ulong')); s32bitdef:=porddef(globaldef('longint')); cu64bitdef:=porddef(globaldef('qword')); cs64bitdef:=porddef(globaldef('int64')); cformaldef:=pformaldef(globaldef('formal')); voiddef:=porddef(globaldef('void')); cchardef:=porddef(globaldef('char')); cshortstringdef:=pstringdef(globaldef('shortstring')); clongstringdef:=pstringdef(globaldef('longstring')); cansistringdef:=pstringdef(globaldef('ansistring')); cwidestringdef:=pstringdef(globaldef('widestring')); openshortstringdef:=pstringdef(globaldef('openshortstring')); openchararraydef:=parraydef(globaldef('openchararray')); s32floatdef:=pfloatdef(globaldef('s32real')); s64floatdef:=pfloatdef(globaldef('s64real')); s80floatdef:=pfloatdef(globaldef('s80real')); s32fixeddef:=pfloatdef(globaldef('s32fixed')); booldef:=porddef(globaldef('boolean')); voidpointerdef:=ppointerdef(globaldef('void_pointer')); charpointerdef:=ppointerdef(globaldef('char_pointer')); voidfarpointerdef:=ppointerdef(globaldef('void_farpointer')); cfiledef:=pfiledef(globaldef('file')); end; procedure createconstdefs; { Create all default definitions for consts for the system unit } var oldregisterdef : boolean; begin { create definitions for constants } oldregisterdef:=registerdef; registerdef:=false; cformaldef:=new(pformaldef,init); voiddef:=new(porddef,init(uvoid,0,0)); u8bitdef:=new(porddef,init(u8bit,0,255)); u16bitdef:=new(porddef,init(u16bit,0,65535)); u32bitdef:=new(porddef,init(u32bit,0,$ffffffff)); s32bitdef:=new(porddef,init(s32bit,$80000000,$7fffffff)); cu64bitdef:=new(porddef,init(u64bit,0,0)); cs64bitdef:=new(porddef,init(s64bit,0,0)); booldef:=new(porddef,init(bool8bit,0,1)); cchardef:=new(porddef,init(uchar,0,255)); cshortstringdef:=new(pstringdef,shortinit(255)); { should we give a length to the default long and ansi string definition ?? } clongstringdef:=new(pstringdef,longinit(-1)); cansistringdef:=new(pstringdef,ansiinit(-1)); cwidestringdef:=new(pstringdef,wideinit(-1)); { length=0 for shortstring is open string (needed for readln(string) } openshortstringdef:=new(pstringdef,shortinit(0)); openchararraydef:=new(parraydef,init(0,-1,s32bitdef)); parraydef(openchararraydef)^.definition:=cchardef; {$ifdef i386} s32floatdef:=new(pfloatdef,init(s32real)); s64floatdef:=new(pfloatdef,init(s64real)); s80floatdef:=new(pfloatdef,init(s80real)); {$endif} {$ifdef m68k} s32floatdef:=new(pfloatdef,init(s32real)) s64floatdef:=new(pfloatdef,init(s32real)); if (cs_fp_emulation in aktmoduleswitches) then s80floatdef:=new(pfloatdef,init(s32real)) else s80floatdef:=new(pfloatdef,init(s80real)); {$endif} s32fixeddef:=new(pfloatdef,init(f32bit)); { some other definitions } voidpointerdef:=new(ppointerdef,init(voiddef)); charpointerdef:=new(ppointerdef,init(cchardef)); voidfarpointerdef:=new(ppointerdef,initfar(voiddef)); cfiledef:=new(pfiledef,init(ft_untyped,nil)); registerdef:=oldregisterdef; end; end. { $Log$ Revision 1.26 1999-08-03 22:03:07 peter * moved bitmask constants to sets * some other type/const renamings Revision 1.25 1999/07/05 20:13:17 peter * removed temp defines Revision 1.24 1999/07/01 15:49:20 florian * int64/qword type release + lo/hi for int64/qword Revision 1.23 1999/05/12 00:19:53 peter * removed R_DEFAULT_SEG * uniform float names Revision 1.22 1999/05/06 09:05:23 peter * generic write_float and str_float * fixed constant float conversions Revision 1.21 1999/04/26 18:28:15 peter * better read/write array Revision 1.20 1999/04/17 13:12:20 peter * addr() internal Revision 1.19 1999/04/07 15:31:12 pierre * all formaldefs are now a sinlge definition cformaldef (this was necessary for double_checksum) + small part of double_checksum code Revision 1.18 1999/03/26 00:05:40 peter * released valintern + deffile is now removed when compiling is finished * ^( compiles now correct + static directive * shrd fixed Revision 1.17 1999/03/16 17:52:54 jonas * changes for internal Val code (do a "make cycle OPT=-dvalintern" to test) * in cgi386inl: also range checking for subrange types (compile with "-dreadrangecheck") * in cgai386: also small fixes to emitrangecheck Revision 1.16 1999/03/02 02:56:17 peter + stabs support for binary writers * more fixes and missing updates from the previous commit :( Revision 1.15 1998/12/30 22:15:51 peter + farpointer type * absolutesym now also stores if its far Revision 1.14 1998/12/11 00:03:40 peter + globtype,tokens,version unit splitted from globals Revision 1.13 1998/12/10 09:47:25 florian + basic operations with int64/qord (compiler with -dint64) + rtti of enumerations extended: names are now written Revision 1.12 1998/11/27 14:50:45 peter + open strings, $P switch support Revision 1.11 1998/11/16 10:18:09 peter * fixes for ansistrings Revision 1.10 1998/11/09 11:44:36 peter + va_list for printf support Revision 1.9 1998/11/05 12:02:54 peter * released useansistring * removed -Sv, its now available in fpc modes Revision 1.8 1998/11/04 10:11:44 peter * ansistring fixes Revision 1.7 1998/10/05 12:32:48 peter + assert() support Revision 1.6 1998/09/24 23:49:17 peter + aktmodeswitches Revision 1.5 1998/08/10 14:50:19 peter + localswitches, moduleswitches, globalswitches splitting Revision 1.4 1998/06/25 14:04:24 peter + internal inc/dec Revision 1.3 1998/06/04 23:51:55 peter * m68k compiles + .def file creation moved to gendef.pas so it could also be used for win32 Revision 1.2 1998/06/04 08:23:57 pierre * boolean again intern declared (needed to be able to compile older RTL's) Revision 1.1 1998/06/03 22:49:01 peter + wordbool,longbool * rename bis,von -> high,low * moved some systemunit loading/creating to psystem.pas }