fpc/compiler/psystem.pas
florian 71b90d4d00 + slice implemented
git-svn-id: trunk@1384 -
2005-10-15 16:48:27 +00:00

558 lines
22 KiB
ObjectPascal

{
Copyright (c) 1998-2002 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;
{$i fpcdefs.inc}
interface
uses
symbase;
procedure insertinternsyms(p : tsymtable);
procedure insert_intern_types(p : tsymtable);
procedure readconstdefs;
procedure createconstdefs;
procedure registernodes;
procedure registertais;
implementation
uses
globals,globtype,verbose,
systems,
symconst,symtype,symsym,symdef,symtable,
aasmtai,aasmcpu,ncgutil,fmodule,
node,nbas,nflw,nset,ncon,ncnv,nld,nmem,ncal,nmat,nadd,ninl,nopt
;
procedure insertinternsyms(p : tsymtable);
{
all intern procedures for the system unit
}
begin
p.insert(tsyssym.create('Concat',in_concat_x));
p.insert(tsyssym.create('Write',in_write_x));
p.insert(tsyssym.create('WriteLn',in_writeln_x));
p.insert(tsyssym.create('Assigned',in_assigned_x));
p.insert(tsyssym.create('Read',in_read_x));
p.insert(tsyssym.create('ReadLn',in_readln_x));
p.insert(tsyssym.create('Ofs',in_ofs_x));
p.insert(tsyssym.create('SizeOf',in_sizeof_x));
p.insert(tsyssym.create('TypeOf',in_typeof_x));
p.insert(tsyssym.create('Low',in_low_x));
p.insert(tsyssym.create('High',in_high_x));
p.insert(tsyssym.create('Slice',in_slice_x));
p.insert(tsyssym.create('Seg',in_seg_x));
p.insert(tsyssym.create('Ord',in_ord_x));
p.insert(tsyssym.create('Pred',in_pred_x));
p.insert(tsyssym.create('Succ',in_succ_x));
p.insert(tsyssym.create('Exclude',in_exclude_x_y));
p.insert(tsyssym.create('Include',in_include_x_y));
p.insert(tsyssym.create('Break',in_break));
p.insert(tsyssym.create('Exit',in_exit));
p.insert(tsyssym.create('Continue',in_continue));
p.insert(tsyssym.create('Leave',in_leave)); {macpas only}
p.insert(tsyssym.create('Cycle',in_cycle)); {macpas only}
p.insert(tsyssym.create('Dec',in_dec_x));
p.insert(tsyssym.create('Inc',in_inc_x));
p.insert(tsyssym.create('Str',in_str_x_string));
p.insert(tsyssym.create('Assert',in_assert_x_y));
p.insert(tsyssym.create('Val',in_val_x));
p.insert(tsyssym.create('Addr',in_addr_x));
p.insert(tsyssym.create('TypeInfo',in_typeinfo_x));
p.insert(tsyssym.create('SetLength',in_setlength_x));
p.insert(tsyssym.create('Copy',in_copy_x));
p.insert(tsyssym.create('Initialize',in_initialize_x));
p.insert(tsyssym.create('Finalize',in_finalize_x));
p.insert(tsyssym.create('Length',in_length_x));
p.insert(tsyssym.create('New',in_new_x));
p.insert(tsyssym.create('Dispose',in_dispose_x));
end;
procedure insert_intern_types(p : tsymtable);
{
all the types inserted into the system unit
}
function addtype(const s:string;const t:ttype):ttypesym;
begin
result:=ttypesym.create(s,t);
p.insert(result);
{ add init/final table if required }
if t.def.needs_inittable then
generate_inittable(result);
end;
procedure adddef(const s:string;def:tdef);
var
t : ttype;
begin
t.setdef(def);
p.insert(ttypesym.create(s,t));
end;
var
hrecst : trecordsymtable;
begin
if target_info.system=system_x86_64_win64 then
pbestrealtype:=@s64floattype;
{$ifdef cpufpemu}
{ Normal types }
(* we use the same types as without emulator, the only
difference is that direct calls to the emulator are generated
if (cs_fp_emulation in aktmoduleswitches) then
begin
addtype('Single',s32floattype);
{ extended size is the best real type for the target }
addtype('Real',s32floattype);
pbestrealtype:=@s32floattype;
{ extended size is the best real type for the target }
addtype('Extended',pbestrealtype^);
end
else
*)
{$endif cpufpemu}
begin
addtype('Single',s32floattype);
addtype('Double',s64floattype);
{ extended size is the best real type for the target }
addtype('Extended',pbestrealtype^);
addtype('Real',s64floattype);
end;
{$ifdef x86}
if target_info.system<>system_x86_64_win64 then
adddef('Comp',tfloatdef.create(s64comp));
{$endif x86}
addtype('Currency',s64currencytype);
addtype('Pointer',voidpointertype);
{$ifdef x86}
addtype('FarPointer',voidfarpointertype);
{$endif x86}
addtype('ShortString',cshortstringtype);
{$ifdef support_longstring}
addtype('LongString',clongstringtype);
{$endif support_longstring}
{$ifdef ansistring_bits}
addtype('AnsiString',cansistringtype16);
addtype('AnsiString',cansistringtype32);
addtype('AnsiString',cansistringtype64);
{$else}
addtype('AnsiString',cansistringtype);
{$endif}
addtype('WideString',cwidestringtype);
addtype('Boolean',booltype);
addtype('ByteBool',booltype);
adddef('WordBool',torddef.create(bool16bit,0,1));
adddef('LongBool',torddef.create(bool32bit,0,1));
addtype('Byte',u8inttype);
addtype('ShortInt',s8inttype);
addtype('Word',u16inttype);
addtype('SmallInt',s16inttype);
addtype('LongWord',u32inttype);
addtype('LongInt',s32inttype);
addtype('QWord',u64inttype);
addtype('Int64',s64inttype);
addtype('Char',cchartype);
addtype('WideChar',cwidechartype);
adddef('Text',tfiledef.createtext);
adddef('TypedFile',tfiledef.createtyped(voidtype));
addtype('Variant',cvarianttype);
addtype('OleVariant',colevarianttype);
{ Internal types }
addtype('$formal',cformaltype);
addtype('$void',voidtype);
addtype('$byte',u8inttype);
addtype('$shortint',s8inttype);
addtype('$word',u16inttype);
addtype('$smallint',s16inttype);
addtype('$ulong',u32inttype);
addtype('$longint',s32inttype);
addtype('$qword',u64inttype);
addtype('$int64',s64inttype);
addtype('$char',cchartype);
addtype('$widechar',cwidechartype);
addtype('$shortstring',cshortstringtype);
addtype('$longstring',clongstringtype);
{$ifdef ansistring_bits}
addtype('$ansistring16',cansistringtype16);
addtype('$ansistring32',cansistringtype32);
addtype('$ansistring64',cansistringtype64);
{$else}
addtype('$ansistring',cansistringtype);
{$endif}
addtype('$widestring',cwidestringtype);
addtype('$openshortstring',openshortstringtype);
addtype('$boolean',booltype);
addtype('$void_pointer',voidpointertype);
addtype('$char_pointer',charpointertype);
addtype('$widechar_pointer',widecharpointertype);
addtype('$void_farpointer',voidfarpointertype);
addtype('$openchararray',openchararraytype);
addtype('$file',cfiletype);
addtype('$variant',cvarianttype);
addtype('$olevariant',cvarianttype);
addtype('$s32real',s32floattype);
addtype('$s64real',s64floattype);
addtype('$s80real',s80floattype);
addtype('$s64currency',s64currencytype);
{ Add a type for virtual method tables }
hrecst:=trecordsymtable.create(aktpackrecords);
vmttype.setdef(trecorddef.create(hrecst));
pvmttype.setdef(tpointerdef.create(vmttype));
hrecst.insertfield(tfieldvarsym.create('$parent',vs_value,pvmttype,[]),true);
hrecst.insertfield(tfieldvarsym.create('$length',vs_value,s32inttype,[]),true);
hrecst.insertfield(tfieldvarsym.create('$mlength',vs_value,s32inttype,[]),true);
vmtarraytype.setdef(tarraydef.create(0,1,s32inttype));
tarraydef(vmtarraytype.def).setelementtype(voidpointertype);
hrecst.insertfield(tfieldvarsym.create('$__pfn',vs_value,vmtarraytype,[]),true);
addtype('$__vtbl_ptr_type',vmttype);
addtype('$pvmt',pvmttype);
vmtarraytype.setdef(tarraydef.create(0,1,s32inttype));
tarraydef(vmtarraytype.def).setelementtype(pvmttype);
addtype('$vtblarray',vmtarraytype);
{ Add a type for methodpointers }
hrecst:=trecordsymtable.create(1);
hrecst.insertfield(tfieldvarsym.create('$proc',vs_value,voidpointertype,[]),true);
hrecst.insertfield(tfieldvarsym.create('$self',vs_value,voidpointertype,[]),true);
methodpointertype.setdef(trecorddef.create(hrecst));
addtype('$methodpointer',methodpointertype);
{ Add functions that require compiler magic }
insertinternsyms(p);
end;
procedure readconstdefs;
{
Load all default definitions for consts from the system unit
}
procedure loadtype(const s:string;var t:ttype);
var
srsym : tsym;
begin
srsym:=searchsymonlyin(systemunit,s);
if not(assigned(srsym) and
(srsym.typ=typesym)) then
internalerror(200403231);
t:=ttypesym(srsym).restype;
end;
var
oldcurrentmodule : tmodule;
begin
oldcurrentmodule:=current_module;
current_module:=nil;
loadtype('byte',u8inttype);
loadtype('shortint',s8inttype);
loadtype('word',u16inttype);
loadtype('smallint',s16inttype);
loadtype('ulong',u32inttype);
loadtype('longint',s32inttype);
loadtype('qword',u64inttype);
loadtype('int64',s64inttype);
loadtype('formal',cformaltype);
loadtype('void',voidtype);
loadtype('char',cchartype);
loadtype('widechar',cwidechartype);
loadtype('shortstring',cshortstringtype);
loadtype('longstring',clongstringtype);
{$ifdef ansistring_bits}
loadtype('ansistring16',cansistringtype16);
loadtype('ansistring32',cansistringtype32);
loadtype('ansistring64',cansistringtype64);
{$else}
loadtype('ansistring',cansistringtype);
{$endif}
loadtype('widestring',cwidestringtype);
loadtype('openshortstring',openshortstringtype);
loadtype('openchararray',openchararraytype);
loadtype('s32real',s32floattype);
loadtype('s64real',s64floattype);
loadtype('s80real',s80floattype);
loadtype('s64currency',s64currencytype);
loadtype('boolean',booltype);
loadtype('void_pointer',voidpointertype);
loadtype('char_pointer',charpointertype);
loadtype('widechar_pointer',widecharpointertype);
loadtype('void_farpointer',voidfarpointertype);
loadtype('file',cfiletype);
loadtype('pvmt',pvmttype);
loadtype('vtblarray',vmtarraytype);
loadtype('__vtbl_ptr_type',vmttype);
loadtype('variant',cvarianttype);
loadtype('olevariant',colevarianttype);
loadtype('methodpointer',methodpointertype);
{$ifdef cpu64bit}
uinttype:=u64inttype;
sinttype:=s64inttype;
ptrinttype:=u64inttype;
{$else cpu64bit}
uinttype:=u32inttype;
sinttype:=s32inttype;
ptrinttype:=u32inttype;
{$endif cpu64bit}
current_module:=oldcurrentmodule;
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;
cformaltype.setdef(tformaldef.create);
voidtype.setdef(torddef.create(uvoid,0,0));
u8inttype.setdef(torddef.create(u8bit,0,255));
s8inttype.setdef(torddef.create(s8bit,-128,127));
u16inttype.setdef(torddef.create(u16bit,0,65535));
s16inttype.setdef(torddef.create(s16bit,-32768,32767));
u32inttype.setdef(torddef.create(u32bit,0,high(longword)));
s32inttype.setdef(torddef.create(s32bit,low(longint),high(longint)));
u64inttype.setdef(torddef.create(u64bit,low(qword),TConstExprInt(high(qword))));
s64inttype.setdef(torddef.create(s64bit,low(int64),high(int64)));
booltype.setdef(torddef.create(bool8bit,0,1));
cchartype.setdef(torddef.create(uchar,0,255));
cwidechartype.setdef(torddef.create(uwidechar,0,65535));
cshortstringtype.setdef(tstringdef.createshort(255));
{ should we give a length to the default long and ansi string definition ?? }
clongstringtype.setdef(tstringdef.createlong(-1));
{$ifdef ansistring_bits}
cansistringtype16.setdef(tstringdef.createansi(-1,sb_16));
cansistringtype32.setdef(tstringdef.createansi(-1,sb_32));
cansistringtype64.setdef(tstringdef.createansi(-1,sb_64));
{$else}
cansistringtype.setdef(tstringdef.createansi(-1));
{$endif}
cwidestringtype.setdef(tstringdef.createwide(-1));
{ length=0 for shortstring is open string (needed for readln(string) }
openshortstringtype.setdef(tstringdef.createshort(0));
openchararraytype.setdef(tarraydef.create(0,-1,s32inttype));
tarraydef(openchararraytype.def).setelementtype(cchartype);
{$ifdef x86}
s32floattype.setdef(tfloatdef.create(s32real));
s64floattype.setdef(tfloatdef.create(s64real));
s80floattype.setdef(tfloatdef.create(s80real));
if target_info.system<>system_x86_64_win64 then
s64currencytype.setdef(tfloatdef.create(s64currency))
else
s64currencytype.setdef(torddef.create(scurrency,low(int64),high(int64)));
{$endif x86}
{$ifdef powerpc}
s32floattype.setdef(tfloatdef.create(s32real));
s64floattype.setdef(tfloatdef.create(s64real));
s80floattype.setdef(tfloatdef.create(s80real));
s64currencytype.setdef(torddef.create(scurrency,low(int64),high(int64)));
{$endif powerpc}
{$ifdef POWERPC64}
s32floattype.setdef(tfloatdef.create(s32real));
s64floattype.setdef(tfloatdef.create(s64real));
s80floattype.setdef(tfloatdef.create(s80real));
s64currencytype.setdef(torddef.create(scurrency,low(int64),high(int64)));
{$endif POWERPC64}
{$ifdef sparc}
s32floattype.setdef(tfloatdef.create(s32real));
s64floattype.setdef(tfloatdef.create(s64real));
s80floattype.setdef(tfloatdef.create(s80real));
s64currencytype.setdef(torddef.create(scurrency,low(int64),high(int64)));
{$endif sparc}
{$ifdef m68k}
s32floattype.setdef(tfloatdef.create(s32real));
s64floattype.setdef(tfloatdef.create(s64real));
s80floattype.setdef(tfloatdef.create(s80real));
s64currencytype.setdef(torddef.create(scurrency,low(int64),high(int64)));
{$endif}
{$ifdef arm}
s32floattype.setdef(tfloatdef.create(s32real));
s64floattype.setdef(tfloatdef.create(s64real));
s80floattype.setdef(tfloatdef.create(s80real));
s64currencytype.setdef(torddef.create(scurrency,low(int64),high(int64)));
{$endif arm}
{$ifdef cpu64bit}
uinttype:=u64inttype;
sinttype:=s64inttype;
ptrinttype:=u64inttype;
{$else cpu64bit}
uinttype:=u32inttype;
sinttype:=s32inttype;
ptrinttype:=u32inttype;
{$endif cpu64bit}
{ some other definitions }
voidpointertype.setdef(tpointerdef.create(voidtype));
charpointertype.setdef(tpointerdef.create(cchartype));
widecharpointertype.setdef(tpointerdef.create(cwidechartype));
voidfarpointertype.setdef(tpointerdef.createfar(voidtype));
cfiletype.setdef(tfiledef.createuntyped);
cvarianttype.setdef(tvariantdef.create(vt_normalvariant));
colevarianttype.setdef(tvariantdef.create(vt_olevariant));
registerdef:=oldregisterdef;
end;
procedure registernodes;
{
Register all possible nodes in the nodeclass array that
will be used for loading the nodes from a ppu
}
begin
nodeclass[addn]:=caddnode;
nodeclass[muln]:=caddnode;
nodeclass[subn]:=caddnode;
nodeclass[divn]:=cmoddivnode;
nodeclass[symdifn]:=caddnode;
nodeclass[modn]:=cmoddivnode;
nodeclass[assignn]:=cassignmentnode;
nodeclass[loadn]:=cloadnode;
nodeclass[rangen]:=crangenode;
nodeclass[ltn]:=caddnode;
nodeclass[lten]:=caddnode;
nodeclass[gtn]:=caddnode;
nodeclass[gten]:=caddnode;
nodeclass[equaln]:=caddnode;
nodeclass[unequaln]:=caddnode;
nodeclass[inn]:=cinnode;
nodeclass[orn]:=caddnode;
nodeclass[xorn]:=caddnode;
nodeclass[shrn]:=cshlshrnode;
nodeclass[shln]:=cshlshrnode;
nodeclass[slashn]:=caddnode;
nodeclass[andn]:=caddnode;
nodeclass[subscriptn]:=csubscriptnode;
nodeclass[derefn]:=cderefnode;
nodeclass[addrn]:=caddrnode;
nodeclass[ordconstn]:=cordconstnode;
nodeclass[typeconvn]:=ctypeconvnode;
nodeclass[calln]:=ccallnode;
nodeclass[callparan]:=ccallparanode;
nodeclass[realconstn]:=crealconstnode;
nodeclass[unaryminusn]:=cunaryminusnode;
nodeclass[asmn]:=casmnode;
nodeclass[vecn]:=cvecnode;
nodeclass[pointerconstn]:=cpointerconstnode;
nodeclass[stringconstn]:=cstringconstnode;
nodeclass[notn]:=cnotnode;
nodeclass[inlinen]:=cinlinenode;
nodeclass[niln]:=cnilnode;
nodeclass[errorn]:=cerrornode;
nodeclass[typen]:=ctypenode;
nodeclass[setelementn]:=csetelementnode;
nodeclass[setconstn]:=csetconstnode;
nodeclass[blockn]:=cblocknode;
nodeclass[statementn]:=cstatementnode;
nodeclass[ifn]:=cifnode;
nodeclass[breakn]:=cbreaknode;
nodeclass[continuen]:=ccontinuenode;
nodeclass[whilerepeatn]:=cwhilerepeatnode;
nodeclass[forn]:=cfornode;
nodeclass[exitn]:=cexitnode;
nodeclass[withn]:=cwithnode;
nodeclass[casen]:=ccasenode;
nodeclass[labeln]:=clabelnode;
nodeclass[goton]:=cgotonode;
nodeclass[tryexceptn]:=ctryexceptnode;
nodeclass[raisen]:=craisenode;
nodeclass[tryfinallyn]:=ctryfinallynode;
nodeclass[onn]:=connode;
nodeclass[isn]:=cisnode;
nodeclass[asn]:=casnode;
nodeclass[caretn]:=caddnode;
nodeclass[starstarn]:=caddnode;
nodeclass[arrayconstructorn]:=carrayconstructornode;
nodeclass[arrayconstructorrangen]:=carrayconstructorrangenode;
nodeclass[tempcreaten]:=ctempcreatenode;
nodeclass[temprefn]:=ctemprefnode;
nodeclass[tempdeleten]:=ctempdeletenode;
nodeclass[addoptn]:=caddnode;
nodeclass[nothingn]:=cnothingnode;
nodeclass[loadvmtaddrn]:=cloadvmtaddrnode;
nodeclass[guidconstn]:=cguidconstnode;
nodeclass[rttin]:=crttinode;
nodeclass[loadparentfpn]:=cloadparentfpnode;
end;
procedure registertais;
{
Register all possible tais in the taiclass array that
will be used for loading the tais from a ppu
}
begin
aiclass[ait_none]:=nil;
aiclass[ait_align]:=tai_align;
aiclass[ait_section]:=tai_section;
aiclass[ait_comment]:=tai_comment;
aiclass[ait_string]:=tai_string;
aiclass[ait_instruction]:=taicpu;
aiclass[ait_datablock]:=tai_datablock;
aiclass[ait_symbol]:=tai_symbol;
aiclass[ait_symbol_end]:=tai_symbol_end;
aiclass[ait_directive]:=tai_directive;
aiclass[ait_label]:=tai_label;
aiclass[ait_const_64bit]:=tai_const;
aiclass[ait_const_32bit]:=tai_const;
aiclass[ait_const_16bit]:=tai_const;
aiclass[ait_const_8bit]:=tai_const;
aiclass[ait_const_indirect_symbol]:=tai_const;
aiclass[ait_const_rva_symbol]:=tai_const;
aiclass[ait_real_32bit]:=tai_real_32bit;
aiclass[ait_real_64bit]:=tai_real_64bit;
aiclass[ait_real_80bit]:=tai_real_80bit;
aiclass[ait_comp_64bit]:=tai_comp_64bit;
aiclass[ait_stab]:=tai_stab;
aiclass[ait_force_line]:=tai_force_line;
aiclass[ait_function_name]:=tai_function_name;
{$ifdef alpha}
{ the follow is for the DEC Alpha }
aiclass[ait_frame]:=tai_frame;
aiclass[ait_ent]:=tai_ent;
{$endif alpha}
{$ifdef m68k}
{$warning FIXME: tai_labeled_instruction doesn't exists}
// aiclass[ait_labeled_instruction]:=tai_labeled_instruction;
{$endif m68k}
{$ifdef ia64}
aiclass[ait_bundle]:=tai_bundle;
aiclass[ait_stop]:=tai_stop;
{$endif ia64}
{$ifdef SPARC}
// aiclass[ait_labeled_instruction]:=tai_labeled_instruction;
{$endif SPARC}
aiclass[ait_cutobject]:=tai_cutobject;
aiclass[ait_regalloc]:=tai_regalloc;
aiclass[ait_tempalloc]:=tai_tempalloc;
aiclass[ait_marker]:=tai_marker;
end;
end.