fpc/compiler/ptconst.pas

960 lines
38 KiB
ObjectPascal

{
$Id$
Copyright (c) 1998 by Florian Klaempfl
Reads typed constants
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 ptconst;
interface
uses symtable;
{ this procedure reads typed constants }
{ sym is only needed for ansi strings }
{ the assembler label is in the middle (PM) }
procedure readtypedconst(def : pdef;sym : ptypedconstsym;no_change_allowed : boolean);
implementation
uses
globtype,systems,tokens,
cobjects,globals,scanner,
symconst,aasm,types,verbose,
tree,pass_1,
{ parser specific stuff }
pbase,pexpr,
{ processor specific stuff }
cpubase,
{ codegen }
{$ifdef newcg}
cgbase,
{$else}
hcodegen,
{$endif}
hcgdata;
{ this procedure reads typed constants }
procedure readtypedconst(def : pdef;sym : ptypedconstsym;no_change_allowed : boolean);
var
{$ifdef m68k}
j : longint;
{$endif m68k}
len,base : longint;
p,hp : ptree;
i,l,offset,
strlength : longint;
curconstsegment : paasmoutput;
ll : pasmlabel;
s : string;
ca : pchar;
aktpos : longint;
obj : pobjectdef;
symt : psymtable;
value : bestreal;
procedure check_range;
begin
if ((p^.value>porddef(def)^.high) or
(p^.value<porddef(def)^.low)) then
begin
if (cs_check_range in aktlocalswitches) then
Message(parser_e_range_check_error)
else
Message(parser_w_range_check_error);
end;
end;
(* function is_po_equal(o1,o2:longint):boolean;
begin
{ assembler does not affect }
is_po_equal:=(o1 and not(poassembler))=
(o2 and not(poassembler));
end; *)
{$R-} {Range check creates problem with init_8bit(-1) !!}
begin
if no_change_allowed then
curconstsegment:=consts
else
curconstsegment:=datasegment;
case def^.deftype of
orddef:
begin
p:=comp_expr(true);
do_firstpass(p);
case porddef(def)^.typ of
s8bit,
u8bit : begin
if not is_constintnode(p) then
{ is't an int expected }
Message(cg_e_illegal_expression)
else
begin
curconstsegment^.concat(new(pai_const,init_8bit(p^.value)));
check_range;
end;
end;
s32bit : begin
if not is_constintnode(p) then
Message(cg_e_illegal_expression)
else
begin
curconstsegment^.concat(new(pai_const,init_32bit(p^.value)));
check_range;
end;
end;
u32bit : begin
if not is_constintnode(p) then
Message(cg_e_illegal_expression)
else
curconstsegment^.concat(new(pai_const,init_32bit(p^.value)));
end;
bool8bit : begin
if not is_constboolnode(p) then
Message(cg_e_illegal_expression);
curconstsegment^.concat(new(pai_const,init_8bit(p^.value)));
end;
bool16bit : begin
if not is_constboolnode(p) then
Message(cg_e_illegal_expression);
curconstsegment^.concat(new(pai_const,init_16bit(p^.value)));
end;
bool32bit : begin
if not is_constboolnode(p) then
Message(cg_e_illegal_expression);
curconstsegment^.concat(new(pai_const,init_32bit(p^.value)));
end;
uchar : begin
if not is_constcharnode(p) then
Message(cg_e_illegal_expression);
curconstsegment^.concat(new(pai_const,init_8bit(p^.value)));
end;
u16bit,
s16bit : begin
if not is_constintnode(p) then
Message(cg_e_illegal_expression);
curconstsegment^.concat(new(pai_const,init_16bit(p^.value)));
check_range;
end;
s64bit,
u64bit:
begin
if not is_constintnode(p) then
Message(cg_e_illegal_expression)
else
begin
{!!!!! hmmm, we can write yet only consts til 2^32-1 :( (FK) }
curconstsegment^.concat(new(pai_const,init_32bit(p^.value)));
curconstsegment^.concat(new(pai_const,init_32bit(0)));
end;
end;
else
internalerror(3799);
end;
disposetree(p);
end;
floatdef:
begin
p:=comp_expr(true);
do_firstpass(p);
if is_constrealnode(p) then
value:=p^.value_real
else if is_constintnode(p) then
value:=p^.value
else
Message(cg_e_illegal_expression);
case pfloatdef(def)^.typ of
s32real : curconstsegment^.concat(new(pai_real_32bit,init(value)));
s64real : curconstsegment^.concat(new(pai_real_64bit,init(value)));
s80real : curconstsegment^.concat(new(pai_real_80bit,init(value)));
s64comp : curconstsegment^.concat(new(pai_comp_64bit,init(value)));
f32bit : curconstsegment^.concat(new(pai_const,init_32bit(trunc(value*65536))));
else internalerror(18);
end;
disposetree(p);
end;
pointerdef:
begin
p:=comp_expr(true);
do_firstpass(p);
if (p^.treetype=typeconvn) and
((p^.left^.treetype=addrn) or (p^.left^.treetype=niln)) and
is_equal(def,p^.resulttype) then
begin
hp:=p^.left;
putnode(p);
p:=hp;
end;
{ allows horrible ofs(typeof(TButton)^) code !! }
if (p^.treetype=addrn) and (p^.left^.treetype=derefn) then
begin
hp:=p^.left^.left;
p^.left^.left:=nil;
disposetree(p);
p:=hp;
end;
{ nil pointer ? }
if p^.treetype=niln then
curconstsegment^.concat(new(pai_const,init_32bit(0)))
{ maybe pchar ? }
else
if (ppointerdef(def)^.definition^.deftype=orddef) and
(porddef(ppointerdef(def)^.definition)^.typ=uchar) and
(p^.treetype<>addrn) then
begin
getdatalabel(ll);
curconstsegment^.concat(new(pai_const_symbol,init(ll)));
consts^.concat(new(pai_label,init(ll)));
if p^.treetype=stringconstn then
begin
getmem(ca,p^.length+2);
move(p^.value_str^,ca^,p^.length+1);
consts^.concat(new(pai_string,init_length_pchar(ca,p^.length+1)));
end
else
if is_constcharnode(p) then
consts^.concat(new(pai_string,init(char(byte(p^.value))+#0)))
else
Message(cg_e_illegal_expression);
end
else
if p^.treetype=addrn then
begin
hp:=p^.left;
while assigned(hp) and (hp^.treetype in [subscriptn,vecn]) do
hp:=hp^.left;
if (is_equal(ppointerdef(p^.resulttype)^.definition,ppointerdef(def)^.definition) or
(is_equal(ppointerdef(p^.resulttype)^.definition,voiddef)) or
(is_equal(ppointerdef(def)^.definition,voiddef))) and
(hp^.treetype=loadn) then
begin
do_firstpass(p^.left);
hp:=p^.left;
offset:=0;
while assigned(hp) and (hp^.treetype<>loadn) do
begin
case hp^.treetype of
vecn :
begin
if (hp^.left^.resulttype^.deftype=stringdef) then
begin
{ this seems OK for shortstring and ansistrings PM }
{ it is wrong for widestrings !! }
len:=1;
base:=0;
end
else if (hp^.left^.resulttype^.deftype=arraydef) then
begin
len:=parraydef(hp^.left^.resulttype)^.elesize;
base:=parraydef(hp^.left^.resulttype)^.lowrange;
end
else
Message(cg_e_illegal_expression);
if is_constintnode(hp^.right) then
inc(offset,len*(get_ordinal_value(hp^.right)-base))
else
Message(cg_e_illegal_expression);
{internalerror(9779);}
end;
subscriptn : inc(offset,hp^.vs^.address)
else
Message(cg_e_illegal_expression);
end;
hp:=hp^.left;
end;
if hp^.symtableentry^.typ=constsym then
Message(type_e_variable_id_expected);
curconstsegment^.concat(new(pai_const_symbol,initname_offset(hp^.symtableentry^.mangledname,offset)));
(*if token=POINT then
begin
offset:=0;
while token=_POINT do
begin
consume(_POINT);
lsym:=pvarsym(precdef(
ppointerdef(p^.resulttype)^.definition)^.symtable^.search(pattern));
if assigned(sym) then
offset:=offset+lsym^.address
else
begin
Message1(sym_e_illegal_field,pattern);
end;
consume(_ID);
end;
curconstsegment^.concat(new(pai_const_symbol_offset,init(
strpnew(p^.left^.symtableentry^.mangledname),offset)));
end
else
begin
curconstsegment^.concat(new(pai_const,init_symbol(
strpnew(p^.left^.symtableentry^.mangledname))));
end; *)
end
else
Message(cg_e_illegal_expression);
end
else
{ allow typeof(Object type)}
if (p^.treetype=inlinen) and
(p^.inlinenumber=in_typeof_x) then
begin
if (p^.left^.treetype=typen) then
begin
curconstsegment^.concat(new(pai_const_symbol,
initname(pobjectdef(p^.left^.resulttype)^.vmt_mangledname)));
end
else
Message(cg_e_illegal_expression);
end
else
Message(cg_e_illegal_expression);
disposetree(p);
end;
setdef:
begin
p:=comp_expr(true);
do_firstpass(p);
if p^.treetype=setconstn then
begin
{ we only allow const sets }
if assigned(p^.left) then
Message(cg_e_illegal_expression)
else
begin
{$ifdef i386}
for l:=0 to def^.size-1 do
curconstsegment^.concat(new(pai_const,init_8bit(p^.value_set^[l])));
{$endif}
{$ifdef m68k}
j:=0;
for l:=0 to ((def^.size-1) div 4) do
{ HORRIBLE HACK because of endian }
{ now use intel endian for constant sets }
begin
curconstsegment^.concat(new(pai_const,init_8bit(p^.value_set^[j+3])));
curconstsegment^.concat(new(pai_const,init_8bit(p^.value_set^[j+2])));
curconstsegment^.concat(new(pai_const,init_8bit(p^.value_set^[j+1])));
curconstsegment^.concat(new(pai_const,init_8bit(p^.value_set^[j])));
Inc(j,4);
end;
{$endif}
end;
end
else
Message(cg_e_illegal_expression);
disposetree(p);
end;
enumdef:
begin
p:=comp_expr(true);
do_firstpass(p);
if p^.treetype=ordconstn then
begin
if is_equal(p^.resulttype,def) then
curconstsegment^.concat(new(pai_const,init_32bit(p^.value)))
else
Message(cg_e_illegal_expression);
end
else
Message(cg_e_illegal_expression);
disposetree(p);
end;
stringdef:
begin
p:=comp_expr(true);
do_firstpass(p);
{ first take care of prefixes for long and ansi strings }
case pstringdef(def)^.string_typ of
st_shortstring:
begin
if p^.treetype=stringconstn then
begin
if p^.length>=def^.size then
strlength:=def^.size-1
else
strlength:=p^.length;
curconstsegment^.concat(new(pai_const,init_8bit(strlength)));
{ this can also handle longer strings }
getmem(ca,strlength+1);
move(p^.value_str^,ca^,strlength);
ca[strlength]:=#0;
curconstsegment^.concat(new(pai_string,init_length_pchar(ca,strlength)));
end
else if is_constcharnode(p) then
begin
curconstsegment^.concat(new(pai_string,init(#1+char(byte(p^.value)))));
strlength:=1;
end
else Message(cg_e_illegal_expression);
if def^.size>strlength then
begin
getmem(ca,def^.size-strlength);
{ def^.size contains also the leading length, so we }
{ we have to subtract one }
fillchar(ca[0],def^.size-strlength-1,' ');
ca[def^.size-strlength-1]:=#0;
{ this can also handle longer strings }
curconstsegment^.concat(new(pai_string,init_length_pchar(ca,def^.size-strlength-1)));
end;
end;
{$ifdef UseLongString}
st_longstring:
begin
if is_constcharnode(p) then
strlength:=1
else
strlength:=p^.length;
{ first write the maximum size }
curconstsegment^.concat(new(pai_const,init_32bit(strlength)))));
{ fill byte }
curconstsegment^.concat(new(pai_const,init_8bit(0)));
if p^.treetype=stringconstn then
begin
getmem(ca,strlength+1);
move(p^.value_str^,ca^,strlength);
ca[strlength]:=#0;
generate_pascii(consts,ca,strlength);
end
else if is_constcharnode(p) then
begin
consts^.concat(new(pai_const,init_8bit(p^.value)));
end
else Message(cg_e_illegal_expression);
curconstsegment^.concat(new(pai_const,init_8bit(0)));
end;
{$endif UseLongString}
st_ansistring:
begin
{ an empty ansi string is nil! }
if (p^.treetype=stringconstn) and (p^.length=0) then
curconstsegment^.concat(new(pai_const,init_32bit(0)))
else
begin
if is_constcharnode(p) then
strlength:=1
else
strlength:=p^.length;
getdatalabel(ll);
curconstsegment^.concat(new(pai_const_symbol,init(ll)));
{ first write the maximum size }
consts^.concat(new(pai_const,init_32bit(strlength)));
{ second write the real length }
consts^.concat(new(pai_const,init_32bit(strlength)));
{ redondent with maxlength but who knows ... (PM) }
{ third write use count (set to -1 for safety ) }
consts^.concat(new(pai_const,init_32bit(-1)));
consts^.concat(new(pai_label,init(ll)));
if p^.treetype=stringconstn then
begin
getmem(ca,strlength+1);
move(p^.value_str^,ca^,strlength);
ca[strlength]:=#0;
consts^.concat(new(pai_string,init_length_pchar(ca,strlength)));
end
else if is_constcharnode(p) then
begin
consts^.concat(new(pai_const,init_8bit(p^.value)));
end
else Message(cg_e_illegal_expression);
consts^.concat(new(pai_const,init_8bit(0)));
end;
end;
end;
disposetree(p);
end;
arraydef:
begin
if token=_LKLAMMER then
begin
consume(_LKLAMMER);
for l:=parraydef(def)^.lowrange to parraydef(def)^.highrange-1 do
begin
readtypedconst(parraydef(def)^.definition,nil,no_change_allowed);
consume(_COMMA);
end;
readtypedconst(parraydef(def)^.definition,nil,no_change_allowed);
consume(_RKLAMMER);
end
else
{ if array of char then we allow also a string }
if is_char(parraydef(def)^.definition) then
begin
p:=comp_expr(true);
do_firstpass(p);
if p^.treetype=stringconstn then
begin
if p^.length>255 then
len:=255
else
len:=p^.length;
{$ifndef TP}
{$ifopt H+}
setlength(s,len);
{$else}
s[0]:=chr(len);
{$endif}
{$else}
s[0]:=chr(len);
{$endif}
move(p^.value_str^,s[1],len);
end
else
if is_constcharnode(p) then
s:=char(byte(p^.value))
else
begin
Message(cg_e_illegal_expression);
s:='';
end;
disposetree(p);
l:=length(s);
for i:=Parraydef(def)^.lowrange to Parraydef(def)^.highrange do
begin
if i+1-Parraydef(def)^.lowrange<=l then
begin
curconstsegment^.concat(new(pai_const,init_8bit(byte(s[1]))));
delete(s,1,1);
end
else
{Fill the remaining positions with #0.}
curconstsegment^.concat(new(pai_const,init_8bit(0)));
end;
if length(s)>0 then
Message(parser_e_string_larger_array);
end
else
begin
{ we want the ( }
consume(_LKLAMMER);
end;
end;
procvardef:
begin
{ Procvars and pointers are no longer compatible. }
{ under tp: =nil or =var under fpc: =nil or =@var }
if token=_NIL then
begin
curconstsegment^.concat(new(pai_const,init_32bit(0)));
consume(_NIL);
exit;
end
else
if not(m_tp_procvar in aktmodeswitches) then
if token=_KLAMMERAFFE then
consume(_KLAMMERAFFE);
getprocvar:=true;
getprocvardef:=pprocvardef(def);
p:=comp_expr(true);
getprocvar:=false;
do_firstpass(p);
if codegenerror then
begin
disposetree(p);
exit;
end;
{ convert calln to loadn }
if p^.treetype=calln then
begin
if (p^.symtableprocentry^.owner^.symtabletype=objectsymtable) and
(pobjectdef(p^.symtableprocentry^.owner^.defowner)^.is_class) then
hp:=genloadmethodcallnode(pprocsym(p^.symtableprocentry),p^.symtableproc,
getcopy(p^.methodpointer))
else
hp:=genloadcallnode(pprocsym(p^.symtableprocentry),p^.symtableproc);
disposetree(p);
do_firstpass(hp);
p:=hp;
if codegenerror then
begin
disposetree(p);
exit;
end;
end;
{ let type conversion check everything needed }
p:=gentypeconvnode(p,def);
do_firstpass(p);
if codegenerror then
begin
disposetree(p);
exit;
end;
{ remove typeconvn, that will normally insert a lea
instruction which is not necessary for us }
if p^.treetype=typeconvn then
begin
hp:=p^.left;
putnode(p);
p:=hp;
end;
{ remove addrn which we also don't need here }
if p^.treetype=addrn then
begin
hp:=p^.left;
putnode(p);
p:=hp;
end;
{ we now need to have a loadn with a procsym }
if (p^.treetype=loadn) and
(p^.symtableentry^.typ=procsym) then
begin
curconstsegment^.concat(new(pai_const_symbol,
initname(pprocsym(p^.symtableentry)^.definition^.mangledname)));
end
else
Message(cg_e_illegal_expression);
end;
{ reads a typed constant record }
recorddef:
begin
consume(_LKLAMMER);
aktpos:=0;
while token<>_RKLAMMER do
begin
s:=pattern;
consume(_ID);
consume(_COLON);
srsym:=precorddef(def)^.symtable^.search(s);
if srsym=nil then
begin
Message1(sym_e_id_not_found,s);
consume_all_until(_SEMICOLON);
end
else
begin
{ check position }
if pvarsym(srsym)^.address<aktpos then
Message(parser_e_invalid_record_const);
{ if needed fill }
if pvarsym(srsym)^.address>aktpos then
for i:=1 to pvarsym(srsym)^.address-aktpos do
curconstsegment^.concat(new(pai_const,init_8bit(0)));
{ new position }
aktpos:=pvarsym(srsym)^.address+pvarsym(srsym)^.definition^.size;
{ read the data }
readtypedconst(pvarsym(srsym)^.definition,nil,no_change_allowed);
if token=_SEMICOLON then
consume(_SEMICOLON)
else break;
end;
end;
for i:=1 to def^.size-aktpos do
curconstsegment^.concat(new(pai_const,init_8bit(0)));
consume(_RKLAMMER);
end;
{ reads a typed object }
objectdef:
begin
if ([oo_has_vmt,oo_is_class]*pobjectdef(def)^.objectoptions)<>[] then
begin
Message(parser_e_type_const_not_possible);
consume_all_until(_RKLAMMER);
end
else
begin
consume(_LKLAMMER);
aktpos:=0;
while token<>_RKLAMMER do
begin
s:=pattern;
consume(_ID);
consume(_COLON);
srsym:=nil;
obj:=pobjectdef(def);
symt:=obj^.symtable;
while (srsym=nil) and assigned(symt) do
begin
srsym:=symt^.search(s);
if assigned(obj) then
obj:=obj^.childof;
if assigned(obj) then
symt:=obj^.symtable
else
symt:=nil;
end;
if srsym=nil then
begin
Message1(sym_e_id_not_found,s);
consume_all_until(_SEMICOLON);
end
else
begin
{ check position }
if pvarsym(srsym)^.address<aktpos then
Message(parser_e_invalid_record_const);
{ if needed fill }
if pvarsym(srsym)^.address>aktpos then
for i:=1 to pvarsym(srsym)^.address-aktpos do
curconstsegment^.concat(new(pai_const,init_8bit(0)));
{ new position }
aktpos:=pvarsym(srsym)^.address+pvarsym(srsym)^.definition^.size;
{ read the data }
readtypedconst(pvarsym(srsym)^.definition,nil,no_change_allowed);
if token=_SEMICOLON then
consume(_SEMICOLON)
else break;
end;
end;
for i:=1 to def^.size-aktpos do
curconstsegment^.concat(new(pai_const,init_8bit(0)));
consume(_RKLAMMER);
end;
end;
errordef:
begin
{ try to consume something useful }
if token=_LKLAMMER then
consume_all_until(_RKLAMMER)
else
consume_all_until(_SEMICOLON);
end;
else Message(parser_e_type_const_not_possible);
end;
end;
end.
{
$Log$
Revision 1.54 1999-10-14 14:57:54 florian
- removed the hcodegen use in the new cg, use cgbase instead
Revision 1.53 1999/09/26 21:30:20 peter
+ constant pointer support which can happend with typecasting like
const p=pointer(1)
* better procvar parsing in typed consts
Revision 1.52 1999/08/10 12:30:02 pierre
* avoid unused locals
Revision 1.51 1999/08/04 13:03:02 jonas
* all tokens now start with an underscore
* PowerPC compiles!!
Revision 1.50 1999/08/04 00:23:21 florian
* renamed i386asm and i386base to cpuasm and cpubase
Revision 1.49 1999/08/03 22:03:08 peter
* moved bitmask constants to sets
* some other type/const renamings
Revision 1.48 1999/07/23 16:05:26 peter
* alignment is now saved in the symtable
* C alignment added for records
* PPU version increased to solve .12 <-> .13 probs
Revision 1.47 1999/07/03 14:14:28 florian
+ start of val(int64/qword)
* longbool, wordbool constants weren't written, fixed
Revision 1.46 1999/05/27 19:44:54 peter
* removed oldasm
* plabel -> pasmlabel
* -a switches to source writing automaticly
* assembler readers OOPed
* asmsymbol automaticly external
* jumptables and other label fixes for asm readers
Revision 1.45 1999/05/23 18:42:13 florian
* better error recovering in typed constants
* some problems with arrays of const fixed, some problems
due my previous
- the location type of array constructor is now LOC_MEM
- the pushing of high fixed
- parameter copying fixed
- zero temp. allocation removed
* small problem in the assembler writers fixed:
ref to nil wasn't written correctly
Revision 1.44 1999/05/21 13:55:11 peter
* NEWLAB for label as symbol
Revision 1.43 1999/05/12 00:19:54 peter
* removed R_DEFAULT_SEG
* uniform float names
Revision 1.42 1999/05/06 09:05:24 peter
* generic write_float and str_float
* fixed constant float conversions
Revision 1.41 1999/05/01 13:24:39 peter
* merged nasm compiler
* old asm moved to oldasm/
Revision 1.40 1999/04/25 22:42:17 pierre
+ code for initialized vars in Delphi mode
Revision 1.39 1999/03/24 23:17:21 peter
* fixed bugs 212,222,225,227,229,231,233
Revision 1.38 1999/02/25 21:02:45 peter
* ag386bin updates
+ coff writer
Revision 1.37 1999/02/22 02:44:13 peter
* ag386bin doesn't use i386.pas anymore
Revision 1.36 1999/02/17 10:15:26 peter
* fixed error messages when parsing typed const array
Revision 1.35 1999/01/20 14:09:28 pierre
* fix to bug0191
Revision 1.34 1999/01/05 08:20:08 florian
* mainly problem with invalid case ranges fixed (reported by Jonas)
Revision 1.33 1998/12/15 17:16:01 peter
* fixed const s : ^string
* first things for const pchar : @string[1]
Revision 1.32 1998/12/11 16:50:23 florian
+ typed const int64 and qword
+ unary minus-operator q1:=-q2;
+ not-operator
Revision 1.31 1998/12/11 00:03:41 peter
+ globtype,tokens,version unit splitted from globals
Revision 1.30 1998/11/27 14:34:42 peter
* give error when string[0] decl is found
Revision 1.29 1998/11/23 18:26:44 pierre
* fix for bug0182
Revision 1.28 1998/11/17 10:40:16 peter
* H+ fixes
Revision 1.27 1998/11/16 12:12:23 peter
- generate_pascii which is obsolete
Revision 1.26 1998/11/10 17:53:06 peter
* fixed const string
Revision 1.25 1998/11/10 16:10:47 peter
* fixed const pchar
Revision 1.24 1998/11/05 12:02:55 peter
* released useansistring
* removed -Sv, its now available in fpc modes
Revision 1.23 1998/11/04 10:11:45 peter
* ansistring fixes
Revision 1.22 1998/10/20 08:06:56 pierre
* several memory corruptions due to double freemem solved
=> never use p^.loc.location:=p^.left^.loc.location;
+ finally I added now by default
that ra386dir translates global and unit symbols
+ added a first field in tsymtable and
a nextsym field in tsym
(this allows to obtain ordered type info for
records and objects in gdb !)
Revision 1.21 1998/10/19 08:55:03 pierre
* wrong stabs info corrected once again !!
+ variable vmt offset with vmt field only if required
implemented now !!!
Revision 1.20 1998/10/16 08:51:49 peter
+ target_os.stackalignment
+ stack can be aligned at 2 or 4 byte boundaries
Revision 1.19 1998/10/12 12:20:58 pierre
+ added tai_const_symbol_offset
for r : pointer = @var.field;
* better message for different arg names on implementation
of function
Revision 1.18 1998/10/12 09:50:05 florian
+ support of <procedure var type>:=<pointer> in delphi mode added
Revision 1.17 1998/10/09 08:56:29 pierre
* several memory leaks fixed
Revision 1.16 1998/09/24 23:49:18 peter
+ aktmodeswitches
Revision 1.15 1998/09/07 18:46:11 peter
* update smartlinking, uses getdatalabel
* renamed ptree.value vars to value_str,value_real,value_set
Revision 1.14 1998/09/04 08:42:07 peter
* updated some error messages
Revision 1.13 1998/09/01 09:05:36 peter
* fixed string[4]='.library'
Revision 1.12 1998/08/31 12:26:32 peter
* m68k and palmos updates from surebugfixes
Revision 1.11 1998/08/10 14:50:20 peter
+ localswitches, moduleswitches, globalswitches splitting
Revision 1.10 1998/07/21 11:16:25 florian
* bug0147 fixed
Revision 1.9 1998/07/20 22:17:16 florian
* hex constants in numeric char (#$54#$43 ...) are now allowed
* there was a bug in record_var_dec which prevents the used
of nested variant records (for example drivers.tevent of tv)
Revision 1.8 1998/07/20 18:40:15 florian
* handling of ansi string constants should now work
Revision 1.7 1998/07/18 22:54:29 florian
* some ansi/wide/longstring support fixed:
o parameter passing
o returning as result from functions
Revision 1.6 1998/06/08 22:59:52 peter
* smartlinking works for win32
* some defines to exclude some compiler parts
Revision 1.5 1998/06/03 22:49:01 peter
+ wordbool,longbool
* rename bis,von -> high,low
* moved some systemunit loading/creating to psystem.pas
Revision 1.4 1998/05/05 12:05:42 florian
* problems with properties fixed
* crash fixed: i:=l when i and l are undefined, was a problem with
implementation of private/protected
Revision 1.3 1998/04/29 10:34:00 pierre
+ added some code for ansistring (not complete nor working yet)
* corrected operator overloading
* corrected nasm output
+ started inline procedures
+ added starstarn : use ** for exponentiation (^ gave problems)
+ started UseTokenInfo cond to get accurate positions
}