fpc/compiler/ninl.pas
peter e84d1fadf1 * moved code from firstpass to det_resulttype and remove extraneous
calls to firstcallparan for in_str,in_write,in_val
2001-04-26 21:57:05 +00:00

1869 lines
72 KiB
ObjectPascal

{
$Id$
Copyright (c) 1998-2000 by Florian Klaempfl
Type checking and register allocation for inline nodes
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 ninl;
{$i defines.inc}
interface
uses
node,htypechk,cpuinfo;
{$i compinnr.inc}
type
tinlinenode = class(tunarynode)
inlinenumber : byte;
constructor create(number : byte;is_const:boolean;l : tnode);virtual;
function getcopy : tnode;override;
function pass_1 : tnode;override;
function det_resulttype:tnode;override;
function docompare(p: tnode): boolean; override;
end;
var
cinlinenode : class of tinlinenode;
function geninlinenode(number : byte;is_const:boolean;l : tnode) : tinlinenode;
implementation
uses
verbose,globals,systems,
globtype,
symconst,symtype,symdef,symsym,symtable,types,
pass_1,
ncal,ncon,ncnv,nadd,nld,nbas,
cpubase,hcodegen,tgcpu
{$ifdef newcg}
,cgbase
{$endif newcg}
;
function geninlinenode(number : byte;is_const:boolean;l : tnode) : tinlinenode;
begin
geninlinenode:=cinlinenode.create(number,is_const,l);
end;
{*****************************************************************************
TINLINENODE
*****************************************************************************}
constructor tinlinenode.create(number : byte;is_const:boolean;l : tnode);
begin
inherited create(inlinen,l);
if is_const then
include(flags,nf_inlineconst);
inlinenumber:=number;
end;
function tinlinenode.getcopy : tnode;
var
n : tinlinenode;
begin
n:=tinlinenode(inherited getcopy);
n.inlinenumber:=inlinenumber;
result:=n;
end;
function tinlinenode.det_resulttype:tnode;
function do_lowhigh(const t:ttype) : tnode;
var
v : tconstexprint;
enum : tenumsym;
hp : tnode;
begin
case t.def.deftype of
orddef:
begin
if inlinenumber=in_low_x then
v:=torddef(t.def).low
else
v:=torddef(t.def).high;
{ low/high of torddef are longints, so we need special }
{ handling for cardinal and 64bit types (JM) }
if is_signed(t.def) and
is_64bitint(t.def) then
if (inlinenumber=in_low_x) then
v := int64($80000000) shl 32
else
v := (int64($7fffffff) shl 32) or $ffffffff
else
if is_64bitint(t.def) then
{ we have to use a dirty trick for high(qword), }
{ because it's bigger than high(tconstexprint) (JM) }
v := 0
else
if not is_signed(t.def) then
v := cardinal(v);
hp:=cordconstnode.create(v,t);
resulttypepass(hp);
{ fix high(qword) }
if not is_signed(t.def) and
is_64bitint(t.def) and
(inlinenumber = in_high_x) then
tordconstnode(hp).value := -1; { is the same as qword($ffffffffffffffff) }
do_lowhigh:=hp;
end;
enumdef:
begin
enum:=tenumsym(tenumdef(t.def).firstenum);
v:=tenumdef(t.def).maxval;
if inlinenumber=in_high_x then
while assigned(enum) and (enum.value <> v) do
enum:=enum.nextenum;
if not assigned(enum) then
internalerror(309993)
else
hp:=genenumnode(enum);
do_lowhigh:=hp;
end;
else
internalerror(87);
end;
end;
function getconstrealvalue : bestreal;
begin
case left.nodetype of
ordconstn:
getconstrealvalue:=tordconstnode(left).value;
realconstn:
getconstrealvalue:=trealconstnode(left).value_real;
else
internalerror(309992);
end;
end;
procedure setconstrealvalue(r : bestreal);
var
hp : tnode;
begin
hp:=crealconstnode.create(r,pbestrealtype^);
resulttypepass(hp);
result:=hp;
end;
var
counter : longint;
ppn : tcallparanode;
dummycoll : tparaitem;
vl,vl2 : longint;
vr : bestreal;
hp : tnode;
srsym : tsym;
p1,hpp : tnode;
frac_para,
length_para : tnode;
isreal,
iswrite,
file_is_typed : boolean;
label
myexit;
begin
result:=nil;
{ if we handle writeln; left contains no valid address }
if assigned(left) then
begin
if left.nodetype=callparan then
tcallparanode(left).get_paratype
else
resulttypepass(left);
end;
inc(parsing_para_level);
{ handle intern constant functions in separate case }
if nf_inlineconst in flags then
begin
{ no parameters? }
if not assigned(left) then
begin
case inlinenumber of
in_const_pi :
hp:=crealconstnode.create(pi,pbestrealtype^);
else
internalerror(89);
end;
end
else
begin
vl:=0;
vl2:=0; { second parameter Ex: ptr(vl,vl2) }
vr:=0;
isreal:=false;
case left.nodetype of
realconstn :
begin
isreal:=true;
vr:=trealconstnode(left).value_real;
end;
ordconstn :
vl:=tordconstnode(left).value;
callparan :
begin
{ both exists, else it was not generated }
vl:=tordconstnode(tcallparanode(left).left).value;
vl2:=tordconstnode(tcallparanode(tcallparanode(left).right).left).value;
end;
else
CGMessage(cg_e_illegal_expression);
end;
case inlinenumber of
in_const_trunc :
begin
if isreal then
begin
if (vr>=2147483648.0) or (vr<=-2147483649.0) then
begin
CGMessage(parser_e_range_check_error);
hp:=cordconstnode.create(1,s32bittype)
end
else
hp:=cordconstnode.create(trunc(vr),s32bittype)
end
else
hp:=cordconstnode.create(trunc(vl),s32bittype);
end;
in_const_round :
begin
if isreal then
begin
if (vr>=2147483647.5) or (vr<=-2147483648.5) then
begin
CGMessage(parser_e_range_check_error);
hp:=cordconstnode.create(1,s32bittype)
end
else
hp:=cordconstnode.create(round(vr),s32bittype)
end
else
hp:=cordconstnode.create(round(vl),s32bittype);
end;
in_const_frac :
begin
if isreal then
hp:=crealconstnode.create(frac(vr),pbestrealtype^)
else
hp:=crealconstnode.create(frac(vl),pbestrealtype^);
end;
in_const_int :
begin
if isreal then
hp:=crealconstnode.create(int(vr),pbestrealtype^)
else
hp:=crealconstnode.create(int(vl),pbestrealtype^);
end;
in_const_abs :
begin
if isreal then
hp:=crealconstnode.create(abs(vr),pbestrealtype^)
else
hp:=cordconstnode.create(abs(vl),left.resulttype);
end;
in_const_sqr :
begin
if isreal then
hp:=crealconstnode.create(sqr(vr),pbestrealtype^)
else
hp:=cordconstnode.create(sqr(vl),left.resulttype);
end;
in_const_odd :
begin
if isreal then
CGMessage1(type_e_integer_expr_expected,left.resulttype.def.typename)
else
hp:=cordconstnode.create(byte(odd(vl)),booltype);
end;
in_const_swap_word :
begin
if isreal then
CGMessage1(type_e_integer_expr_expected,left.resulttype.def.typename)
else
hp:=cordconstnode.create((vl and $ff) shl 8+(vl shr 8),left.resulttype);
end;
in_const_swap_long :
begin
if isreal then
CGMessage(type_e_mismatch)
else
hp:=cordconstnode.create((vl and $ffff) shl 16+(vl shr 16),left.resulttype);
end;
in_const_ptr :
begin
if isreal then
CGMessage(type_e_mismatch)
else
hp:=cpointerconstnode.create((vl2 shl 4)+vl,voidfarpointertype);
end;
in_const_sqrt :
begin
if isreal then
begin
if vr<0.0 then
CGMessage(type_e_wrong_math_argument)
else
hp:=crealconstnode.create(sqrt(vr),pbestrealtype^)
end
else
begin
if vl<0 then
CGMessage(type_e_wrong_math_argument)
else
hp:=crealconstnode.create(sqrt(vl),pbestrealtype^);
end;
end;
in_const_arctan :
begin
if isreal then
hp:=crealconstnode.create(arctan(vr),pbestrealtype^)
else
hp:=crealconstnode.create(arctan(vl),pbestrealtype^);
end;
in_const_cos :
begin
if isreal then
hp:=crealconstnode.create(cos(vr),pbestrealtype^)
else
hp:=crealconstnode.create(cos(vl),pbestrealtype^);
end;
in_const_sin :
begin
if isreal then
hp:=crealconstnode.create(sin(vr),pbestrealtype^)
else
hp:=crealconstnode.create(sin(vl),pbestrealtype^);
end;
in_const_exp :
begin
if isreal then
hp:=crealconstnode.create(exp(vr),pbestrealtype^)
else
hp:=crealconstnode.create(exp(vl),pbestrealtype^);
end;
in_const_ln :
begin
if isreal then
begin
if vr<=0.0 then
CGMessage(type_e_wrong_math_argument)
else
hp:=crealconstnode.create(ln(vr),pbestrealtype^)
end
else
begin
if vl<=0 then
CGMessage(type_e_wrong_math_argument)
else
hp:=crealconstnode.create(ln(vl),pbestrealtype^);
end;
end;
else
internalerror(88);
end;
end;
if hp=nil then
hp:=tnode.create(errorn);
resulttypepass(hp);
result:=hp;
goto myexit;
end
else
begin
case inlinenumber of
in_lo_long,
in_hi_long,
in_lo_qword,
in_hi_qword,
in_lo_word,
in_hi_word :
begin
{ give warning for incompatibility with tp and delphi }
if (inlinenumber in [in_lo_long,in_hi_long,in_lo_qword,in_hi_qword]) and
((m_tp in aktmodeswitches) or
(m_delphi in aktmodeswitches)) then
CGMessage(type_w_maybe_wrong_hi_lo);
{ constant folding }
if left.nodetype=ordconstn then
begin
case inlinenumber of
in_lo_word :
hp:=cordconstnode.create(tordconstnode(left).value and $ff,left.resulttype);
in_hi_word :
hp:=cordconstnode.create(tordconstnode(left).value shr 8,left.resulttype);
in_lo_long :
hp:=cordconstnode.create(tordconstnode(left).value and $ffff,left.resulttype);
in_hi_long :
hp:=cordconstnode.create(tordconstnode(left).value shr 16,left.resulttype);
in_lo_qword :
hp:=cordconstnode.create(tordconstnode(left).value and $ffffffff,left.resulttype);
in_hi_qword :
hp:=cordconstnode.create(tordconstnode(left).value shr 32,left.resulttype);
end;
resulttypepass(hp);
result:=hp;
goto myexit;
end;
set_varstate(left,true);
if not is_integer(left.resulttype.def) then
CGMessage(type_e_mismatch);
case inlinenumber of
in_lo_word,
in_hi_word :
resulttype:=u8bittype;
in_lo_long,
in_hi_long :
resulttype:=u16bittype;
in_lo_qword,
in_hi_qword :
resulttype:=u32bittype;
end;
end;
in_sizeof_x:
begin
set_varstate(left,false);
resulttype:=s32bittype;
end;
in_typeof_x:
begin
set_varstate(left,false);
resulttype:=voidpointertype;
end;
in_ord_x:
begin
if (left.nodetype=ordconstn) then
begin
hp:=cordconstnode.create(tordconstnode(left).value,s32bittype);
resulttypepass(hp);
result:=hp;
goto myexit;
end;
set_varstate(left,true);
case left.resulttype.def.deftype of
orddef :
begin
case torddef(left.resulttype.def).typ of
bool8bit,
uchar:
begin
{ change to byte() }
hp:=ctypeconvnode.create(left,u8bittype);
left:=nil;
include(hp.flags,nf_explizit);
resulttypepass(hp);
result:=hp;
end;
bool16bit,
uwidechar :
begin
{ change to word() }
hp:=ctypeconvnode.create(left,u16bittype);
left:=nil;
include(hp.flags,nf_explizit);
resulttypepass(hp);
result:=hp;
end;
bool32bit :
begin
{ change to dword() }
hp:=ctypeconvnode.create(left,u32bittype);
left:=nil;
include(hp.flags,nf_explizit);
resulttypepass(hp);
result:=hp;
end;
uvoid :
CGMessage(type_e_mismatch)
else
begin
{ all other orddef need no transformation }
hp:=left;
left:=nil;
result:=hp;
end;
end;
end;
enumdef :
begin
hp:=ctypeconvnode.create(left,s32bittype);
left:=nil;
include(hp.flags,nf_explizit);
resulttypepass(hp);
result:=hp;
end;
else
CGMessage(type_e_mismatch);
end;
end;
in_chr_byte:
begin
{ convert to explicit char() }
set_varstate(left,true);
hp:=ctypeconvnode.create(left,cchartype);
include(hp.flags,nf_explizit);
left:=nil;
resulttypepass(hp);
result:=hp;
end;
in_length_string:
begin
set_varstate(left,true);
{ we don't need string convertions here }
if (left.nodetype=typeconvn) and
(ttypeconvnode(left).left.resulttype.def.deftype=stringdef) then
begin
hp:=ttypeconvnode(left).left;
ttypeconvnode(left).left:=nil;
left.free;
left:=hp;
end;
{ evaluates length of constant strings direct }
if (left.nodetype=stringconstn) then
begin
hp:=cordconstnode.create(tstringconstnode(left).len,s32bittype);
resulttypepass(hp);
result:=hp;
goto myexit;
end
{ length of char is one allways }
else if is_constcharnode(left) then
begin
hp:=cordconstnode.create(1,s32bittype);
resulttypepass(hp);
result:=hp;
goto myexit;
end;
if is_ansistring(left.resulttype.def) or
is_widestring(left.resulttype.def) or
is_dynamic_array(left.resulttype.def) then
resulttype:=s32bittype
else
resulttype:=u8bittype;
{ check the type, must be string or char }
if (left.resulttype.def.deftype<>stringdef) and
(not is_char(left.resulttype.def)) then
CGMessage(type_e_mismatch);
end;
in_typeinfo_x:
begin
set_varstate(left,true);
resulttype:=voidpointertype;
end;
in_assigned_x:
begin
set_varstate(left,true);
resulttype:=booltype;
end;
in_ofs_x :
internalerror(2000101001);
in_seg_x :
begin
set_varstate(left,false);
hp:=cordconstnode.create(0,s32bittype);
resulttypepass(hp);
result:=hp;
goto myexit;
end;
in_pred_x,
in_succ_x:
begin
set_varstate(left,true);
resulttype:=left.resulttype;
if not is_ordinal(resulttype.def) then
CGMessage(type_e_ordinal_expr_expected)
else
begin
if (resulttype.def.deftype=enumdef) and
(tenumdef(resulttype.def).has_jumps) then
CGMessage(type_e_succ_and_pred_enums_with_assign_not_possible);
end;
{ do constant folding after check for jumps }
if left.nodetype=ordconstn then
begin
if inlinenumber=in_succ_x then
hp:=cordconstnode.create(tordconstnode(left).value+1,left.resulttype)
else
hp:=cordconstnode.create(tordconstnode(left).value-1,left.resulttype);
resulttypepass(hp);
result:=hp;
end;
end;
in_setlength_x:
begin
resulttype:=voidtype;
if assigned(left) then
begin
ppn:=tcallparanode(left);
counter:=0;
{ check type }
while assigned(ppn.right) do
begin
set_varstate(ppn.left,true);
inserttypeconv(ppn.left,s32bittype);
inc(counter);
ppn:=tcallparanode(ppn.right);
end;
{ last param must be var }
valid_for_assign(ppn.left,false);
set_varstate(ppn.left,false);
{ first param must be a string or dynamic array ...}
if not((ppn.left.resulttype.def.deftype=stringdef) or
(is_dynamic_array(ppn.left.resulttype.def))) then
CGMessage(type_e_mismatch);
{ only dynamic arrays accept more dimensions }
if (counter>1) and
(not(is_dynamic_array(left.resulttype.def))) then
CGMessage(type_e_mismatch);
{ convert shortstrings to openstring parameters }
{ (generate the hightree) (JM) }
if (ppn.left.resulttype.def.deftype = stringdef) and
(tstringdef(ppn.left.resulttype.def).string_typ =
st_shortstring) then
begin
dummycoll:=tparaitem.create;
dummycoll.paratyp:=vs_var;
dummycoll.paratype:=openshortstringtype;
tcallparanode(ppn).insert_typeconv(dummycoll,false);
dummycoll.destroy;
end;
end
else
CGMessage(type_e_mismatch);
end;
in_finalize_x:
begin
resulttype:=voidtype;
if assigned(left) and assigned(tcallparanode(left).left) then
begin
{ first param must be var }
valid_for_assign(tcallparanode(left).left,false);
set_varstate(tcallparanode(left).left,true);
{ two parameters?, the last parameter must be a longint }
if assigned(tcallparanode(left).right) then
inserttypeconv(tcallparanode(tcallparanode(left).right).left,s32bittype);
end
else
CGMessage(type_e_mismatch);
end;
in_inc_x,
in_dec_x:
begin
resulttype:=voidtype;
if assigned(left) then
begin
set_varstate(left,true);
if codegenerror then
exit;
{ first param must be var }
valid_for_assign(tcallparanode(left).left,false);
if (left.resulttype.def.deftype in [enumdef,pointerdef]) or
is_ordinal(left.resulttype.def) then
begin
{ two paras ? }
if assigned(tcallparanode(left).right) then
begin
{ insert a type conversion }
{ the second param is always longint }
inserttypeconv(tcallparanode(tcallparanode(left).right).left,s32bittype);
if assigned(tcallparanode(tcallparanode(left).right).right) then
CGMessage(cg_e_illegal_expression);
end;
end
else
CGMessage(type_e_ordinal_expr_expected);
end
else
CGMessage(type_e_mismatch);
end;
in_read_x,
in_readln_x,
in_write_x,
in_writeln_x :
begin
resulttype:=voidtype;
{ we must know if it is a typed file or not }
{ but we must first do the firstpass for it }
file_is_typed:=false;
if assigned(left) then
begin
iswrite:=(inlinenumber in [in_write_x,in_writeln_x]);
set_varstate(left,iswrite);
{ now we can check }
hp:=left;
while assigned(tcallparanode(hp).right) do
hp:=tcallparanode(hp).right;
{ if resulttype.def is not assigned, then automatically }
{ file is not typed. }
if assigned(hp) and assigned(hp.resulttype.def) then
Begin
if (hp.resulttype.def.deftype=filedef) then
if (tfiledef(hp.resulttype.def).filetyp=ft_untyped) then
begin
if (inlinenumber in [in_readln_x,in_writeln_x]) then
CGMessage(type_e_no_readln_writeln_for_typed_file)
else
CGMessage(type_e_no_read_write_for_untyped_file);
end
else if (tfiledef(hp.resulttype.def).filetyp=ft_typed) then
begin
file_is_typed:=true;
{ test the type }
if (inlinenumber in [in_readln_x,in_writeln_x]) then
CGMessage(type_e_no_readln_writeln_for_typed_file);
hpp:=left;
while (hpp<>hp) do
begin
if (tcallparanode(hpp).left.nodetype=typen) then
CGMessage(type_e_cant_read_write_type);
if not is_equal(hpp.resulttype.def,tfiledef(hp.resulttype.def).typedfiletype.def) then
CGMessage(type_e_mismatch);
{ generate the high() value for the shortstring }
if ((not iswrite) and is_shortstring(tcallparanode(hpp).left.resulttype.def)) or
(is_chararray(tcallparanode(hpp).left.resulttype.def)) then
tcallparanode(hpp).gen_high_tree(true);
{ read(ln) is call by reference (JM) }
if not iswrite then
make_not_regable(tcallparanode(hpp).left);
hpp:=tcallparanode(hpp).right;
end;
end;
end; { endif assigned(hp) }
{ insert type conversions for write(ln) }
if (not file_is_typed) then
begin
hp:=left;
while assigned(hp) do
begin
if (tcallparanode(hp).left.nodetype=typen) then
CGMessage(type_e_cant_read_write_type);
if assigned(tcallparanode(hp).left.resulttype.def) then
begin
isreal:=false;
{ support writeln(procvar) }
if (tcallparanode(hp).left.resulttype.def.deftype=procvardef) then
begin
p1:=ccallnode.create(nil,nil,nil,nil);
tcallnode(p1).set_procvar(tcallparanode(hp).left);
resulttypepass(p1);
tcallparanode(hp).left:=p1;
end;
case tcallparanode(hp).left.resulttype.def.deftype of
filedef :
begin
{ only allowed as first parameter }
if assigned(tcallparanode(hp).right) then
CGMessage(type_e_cant_read_write_type);
end;
stringdef :
begin
{ generate the high() value for the shortstring }
if (not iswrite) and
is_shortstring(tcallparanode(hp).left.resulttype.def) then
tcallparanode(hp).gen_high_tree(true);
end;
pointerdef :
begin
if not is_pchar(tcallparanode(hp).left.resulttype.def) then
CGMessage(type_e_cant_read_write_type);
end;
floatdef :
begin
isreal:=true;
end;
orddef :
begin
case torddef(tcallparanode(hp).left.resulttype.def).typ of
uchar,
u32bit,s32bit,
u64bit,s64bit:
;
u8bit,s8bit,
u16bit,s16bit :
if iswrite then
inserttypeconv(tcallparanode(hp).left,s32bittype);
bool8bit,
bool16bit,
bool32bit :
if iswrite then
inserttypeconv(tcallparanode(hp).left,booltype)
else
CGMessage(type_e_cant_read_write_type);
else
CGMessage(type_e_cant_read_write_type);
end;
end;
arraydef :
begin
if is_chararray(tcallparanode(hp).left.resulttype.def) then
tcallparanode(hp).gen_high_tree(true)
else
CGMessage(type_e_cant_read_write_type);
end;
else
CGMessage(type_e_cant_read_write_type);
end;
{ some format options ? }
if cpf_is_colon_para in tcallparanode(hp).callparaflags then
begin
if cpf_is_colon_para in tcallparanode(tcallparanode(hp).right).callparaflags then
begin
frac_para:=hp;
length_para:=tcallparanode(hp).right;
hp:=tcallparanode(hp).right;
hpp:=tcallparanode(hp).right;
end
else
begin
length_para:=hp;
frac_para:=nil;
hpp:=tcallparanode(hp).right;
end;
{ can be nil if you use "write(e:0:6)" while e is undeclared (JM) }
if assigned(tcallparanode(hpp).left.resulttype.def) then
isreal:=(tcallparanode(hpp).left.resulttype.def.deftype=floatdef)
else
exit;
if (not is_integer(tcallparanode(length_para).left.resulttype.def)) then
CGMessage1(type_e_integer_expr_expected,tcallparanode(length_para).left.resulttype.def.typename)
else
inserttypeconv(tcallparanode(length_para).left,s32bittype);
if assigned(frac_para) then
begin
if isreal then
begin
if (not is_integer(tcallparanode(frac_para).left.resulttype.def)) then
CGMessage1(type_e_integer_expr_expected,tcallparanode(frac_para).left.resulttype.def.typename)
else
inserttypeconv(tcallparanode(frac_para).left,s32bittype);
end
else
CGMessage(parser_e_illegal_colon_qualifier);
end;
{ do the checking for the colon'd arg }
hp:=length_para;
end;
end;
hp:=tcallparanode(hp).right;
end;
end;
if codegenerror then
exit;
set_varstate(left,true);
end;
end;
in_settextbuf_file_x :
begin
resulttype:=voidtype;
{ now we know the type of buffer }
srsym:=searchsymonlyin(systemunit,'SETTEXTBUF');
hp:=ccallparanode.create(cordconstnode.create(tcallparanode(left).left.resulttype.def.size,s32bittype),left);
hp:=ccallnode.create(hp,tprocsym(srsym),systemunit,nil);
left:=nil;
resulttypepass(hp);
result:=hp;
end;
{ the firstpass of the arg has been done in firstcalln ? }
in_reset_typedfile,
in_rewrite_typedfile :
begin
set_varstate(left,true);
resulttype:=voidtype;
end;
in_str_x_string :
begin
resulttype:=voidtype;
set_varstate(left,false);
{ remove warning when result is passed }
set_funcret_is_valid(tcallparanode(left).left);
set_varstate(tcallparanode(tcallparanode(left).right).left,true);
hp:=left;
{ valid string ? }
if not assigned(hp) or
(tcallparanode(hp).left.resulttype.def.deftype<>stringdef) or
(tcallparanode(hp).right=nil) then
CGMessage(cg_e_illegal_expression);
{ we need a var parameter }
valid_for_assign(tcallparanode(hp).left,false);
{ generate the high() value for the shortstring }
if is_shortstring(tcallparanode(hp).left.resulttype.def) then
tcallparanode(hp).gen_high_tree(true);
{ !!!! check length of string }
while assigned(tcallparanode(hp).right) do
hp:=tcallparanode(hp).right;
if not assigned(tcallparanode(hp).resulttype.def) then
exit;
{ check and convert the first param }
if (cpf_is_colon_para in tcallparanode(hp).callparaflags) or
not assigned(hp.resulttype.def) then
CGMessage(cg_e_illegal_expression);
isreal:=false;
case hp.resulttype.def.deftype of
orddef :
begin
case torddef(tcallparanode(hp).left.resulttype.def).typ of
u32bit,s32bit,
s64bit,u64bit:
;
u8bit,s8bit,
u16bit,s16bit:
inserttypeconv(tcallparanode(hp).left,s32bittype);
else
CGMessage(type_e_integer_or_real_expr_expected);
end;
end;
floatdef :
begin
isreal:=true;
end;
else
CGMessage(type_e_integer_or_real_expr_expected);
end;
{ some format options ? }
hpp:=tcallparanode(left).right;
if assigned(hpp) and (cpf_is_colon_para in tcallparanode(hpp).callparaflags) then
begin
set_varstate(tcallparanode(hpp).left,true);
if (not is_integer(tcallparanode(hpp).left.resulttype.def)) then
CGMessage1(type_e_integer_expr_expected,tcallparanode(hpp).left.resulttype.def.typename)
else
inserttypeconv(tcallparanode(hpp).left,s32bittype);
hpp:=tcallparanode(hpp).right;
if assigned(hpp) and (cpf_is_colon_para in tcallparanode(hpp).callparaflags) then
begin
if isreal then
begin
if (not is_integer(tcallparanode(hpp).left.resulttype.def)) then
CGMessage1(type_e_integer_expr_expected,tcallparanode(hpp).left.resulttype.def.typename)
else
begin
set_varstate(tcallparanode(hpp).left,true);
inserttypeconv(tcallparanode(hpp).left,s32bittype);
end;
end
else
CGMessage(parser_e_illegal_colon_qualifier);
end;
end;
end;
in_val_x :
begin
resulttype:=voidtype;
{ check the amount of parameters }
if not(assigned(left)) or
not(assigned(tcallparanode(left).right)) then
begin
CGMessage(parser_e_wrong_parameter_size);
exit;
end;
{ there is a "code" parameter }
If Assigned(tcallparanode(tcallparanode(left).right).right) Then
Begin
{ first pass just the code parameter for first local use}
hp := tcallparanode(left).right;
tcallparanode(left).right := nil;
make_not_regable(tcallparanode(left).left);
set_varstate(left,false);
if codegenerror then
exit;
tcallparanode(left).right := hp;
{ code has to be a var parameter }
if valid_for_assign(tcallparanode(left).left,false) then
begin
if (tcallparanode(left).left.resulttype.def.deftype <> orddef) or
not(torddef(tcallparanode(left).left.resulttype.def).typ in [u16bit,s16bit,u32bit,s32bit]) then
CGMessage(type_e_mismatch);
end;
hpp := tcallparanode(left).right
End
Else
hpp := left;
{ now hpp = the destination value tree }
{ first pass just the destination parameter for first local use }
hp:=tcallparanode(hpp).right;
tcallparanode(hpp).right:=nil;
{ hpp = destination }
make_not_regable(tcallparanode(hpp).left);
set_varstate(hpp,false);
if codegenerror then
exit;
{ remove warning when result is passed }
set_funcret_is_valid(tcallparanode(hpp).left);
tcallparanode(hpp).right := hp;
if valid_for_assign(tcallparanode(hpp).left,false) then
begin
If Not((tcallparanode(hpp).left.resulttype.def.deftype = floatdef) or
is_integer(tcallparanode(hpp).left.resulttype.def)) then
CGMessage(type_e_mismatch);
end;
{ hp = source (String) }
{ if not a stringdef then insert a type conv which
does the other type checking }
If (tcallparanode(hp).left.resulttype.def.deftype<>stringdef) then
inserttypeconv(tcallparanode(hp).left,cshortstringtype);
set_varstate(hp,true);
end;
in_include_x_y,
in_exclude_x_y:
begin
resulttype:=voidtype;
if assigned(left) then
begin
set_varstate(left,true);
{ remove warning when result is passed }
set_funcret_is_valid(tcallparanode(left).left);
{ first param must be var }
valid_for_assign(tcallparanode(left).left,false);
{ check type }
if assigned(left.resulttype.def) and
(left.resulttype.def.deftype=setdef) then
begin
{ two paras ? }
if assigned(tcallparanode(left).right) then
begin
{ insert a type conversion }
{ to the type of the set elements }
inserttypeconv(tcallparanode(tcallparanode(left).right).left,
tsetdef(left.resulttype.def).elementtype);
{ only three parameters are allowed }
if assigned(tcallparanode(tcallparanode(left).right).right) then
CGMessage(cg_e_illegal_expression);
end;
end
else
CGMessage(type_e_mismatch);
end
else
CGMessage(type_e_mismatch);
end;
in_low_x,
in_high_x:
begin
set_varstate(left,false);
case left.resulttype.def.deftype of
orddef,
enumdef:
begin
hp:=do_lowhigh(left.resulttype);
resulttypepass(hp);
result:=hp;
end;
setdef:
begin
hp:=do_lowhigh(tsetdef(left.resulttype.def).elementtype);
resulttypepass(hp);
result:=hp;
end;
arraydef:
begin
if inlinenumber=in_low_x then
begin
hp:=cordconstnode.create(tarraydef(left.resulttype.def).lowrange,tarraydef(left.resulttype.def).rangetype);
resulttypepass(hp);
result:=hp;
end
else
begin
if is_open_array(left.resulttype.def) or
is_array_of_const(left.resulttype.def) then
begin
srsym:=searchsymonlyin(tloadnode(left).symtable,'high'+tvarsym(tloadnode(left).symtableentry).name);
hp:=cloadnode.create(tvarsym(srsym),tloadnode(left).symtable);
resulttypepass(hp);
result:=hp;
end
else
begin
hp:=cordconstnode.create(tarraydef(left.resulttype.def).highrange,tarraydef(left.resulttype.def).rangetype);
resulttypepass(hp);
result:=hp;
end;
end;
end;
stringdef:
begin
if inlinenumber=in_low_x then
begin
hp:=cordconstnode.create(0,u8bittype);
resulttypepass(hp);
result:=hp;
end
else
begin
if is_open_string(left.resulttype.def) then
begin
srsym:=searchsymonlyin(tloadnode(left).symtable,'high'+tvarsym(tloadnode(left).symtableentry).name);
hp:=cloadnode.create(tvarsym(srsym),tloadnode(left).symtable);
resulttypepass(hp);
result:=hp;
end
else
begin
hp:=cordconstnode.create(tstringdef(left.resulttype.def).len,u8bittype);
resulttypepass(hp);
result:=hp;
end;
end;
end;
else
CGMessage(type_e_mismatch);
end;
end;
in_pi:
begin
if block_type=bt_const then
setconstrealvalue(pi)
else
resulttype:=s80floattype;
end;
in_cos_extended :
begin
if left.nodetype in [ordconstn,realconstn] then
setconstrealvalue(cos(getconstrealvalue))
else
begin
set_varstate(left,true);
inserttypeconv(left,s80floattype);
resulttype:=s80floattype;
end;
end;
in_sin_extended :
begin
if left.nodetype in [ordconstn,realconstn] then
setconstrealvalue(sin(getconstrealvalue))
else
begin
set_varstate(left,true);
inserttypeconv(left,s80floattype);
resulttype:=s80floattype;
end;
end;
in_arctan_extended :
begin
if left.nodetype in [ordconstn,realconstn] then
setconstrealvalue(arctan(getconstrealvalue))
else
begin
set_varstate(left,true);
inserttypeconv(left,s80floattype);
resulttype:=s80floattype;
end;
end;
in_abs_extended :
begin
if left.nodetype in [ordconstn,realconstn] then
setconstrealvalue(abs(getconstrealvalue))
else
begin
set_varstate(left,true);
inserttypeconv(left,s80floattype);
resulttype:=s80floattype;
end;
end;
in_sqr_extended :
begin
if left.nodetype in [ordconstn,realconstn] then
setconstrealvalue(sqr(getconstrealvalue))
else
begin
set_varstate(left,true);
inserttypeconv(left,s80floattype);
resulttype:=s80floattype;
end;
end;
in_sqrt_extended :
begin
if left.nodetype in [ordconstn,realconstn] then
begin
vr:=getconstrealvalue;
if vr<0.0 then
begin
CGMessage(type_e_wrong_math_argument);
setconstrealvalue(0);
end
else
setconstrealvalue(sqrt(vr));
end
else
begin
set_varstate(left,true);
inserttypeconv(left,s80floattype);
resulttype:=s80floattype;
end;
end;
in_ln_extended :
begin
if left.nodetype in [ordconstn,realconstn] then
begin
vr:=getconstrealvalue;
if vr<=0.0 then
begin
CGMessage(type_e_wrong_math_argument);
setconstrealvalue(0);
end
else
setconstrealvalue(ln(vr));
end
else
begin
set_varstate(left,true);
inserttypeconv(left,s80floattype);
resulttype:=s80floattype;
end;
end;
{$ifdef SUPPORT_MMX}
in_mmx_pcmpeqb..in_mmx_pcmpgtw:
begin
end;
{$endif SUPPORT_MMX}
in_assert_x_y :
begin
resulttype:=voidtype;
if assigned(left) then
begin
set_varstate(left,true);
{ check type }
if is_boolean(left.resulttype.def) then
begin
{ must always be a string }
inserttypeconv(tcallparanode(tcallparanode(left).right).left,cshortstringtype);
end
else
CGMessage(type_e_mismatch);
end
else
CGMessage(type_e_mismatch);
end;
else
internalerror(8);
end;
end;
myexit:
{ Run get_paratype again to update maybe inserted typeconvs }
if not codegenerror then
begin
if assigned(left) and
(left.nodetype=callparan) then
tcallparanode(left).get_paratype;
end;
dec(parsing_para_level);
end;
{$ifdef fpc}
{$maxfpuregisters 0}
{$endif fpc}
function tinlinenode.pass_1 : tnode;
var
srsym : tsym;
hp,hpp : tnode;
extra_register,
iswrite,
file_is_typed : boolean;
begin
result:=nil;
{ if we handle writeln; left contains no valid address }
if assigned(left) then
begin
if left.nodetype=callparan then
tcallparanode(left).firstcallparan(nil,false)
else
firstpass(left);
left_max;
set_location(location,left.location);
end;
inc(parsing_para_level);
{ intern const should already be handled }
if nf_inlineconst in flags then
internalerror(200104044);
case inlinenumber of
in_lo_qword,
in_hi_qword,
in_lo_long,
in_hi_long,
in_lo_word,
in_hi_word:
begin
if registers32<1 then
registers32:=1;
location.loc:=LOC_REGISTER;
end;
in_sizeof_x:
begin
if push_high_param(left.resulttype.def) then
begin
srsym:=searchsymonlyin(tloadnode(left).symtable,'high'+tvarsym(tloadnode(left).symtableentry).name);
hp:=caddnode.create(addn,cloadnode.create(tvarsym(srsym),tloadnode(left).symtable),
cordconstnode.create(1,s32bittype));
if (left.resulttype.def.deftype=arraydef) and
(tarraydef(left.resulttype.def).elesize<>1) then
hp:=caddnode.create(muln,hp,cordconstnode.create(tarraydef(left.resulttype.def).elesize,s32bittype));
firstpass(hp);
result:=hp;
end
else
begin
if registers32<1 then
registers32:=1;
location.loc:=LOC_REGISTER;
end;
end;
in_typeof_x:
begin
if registers32<1 then
registers32:=1;
location.loc:=LOC_REGISTER;
end;
in_ord_x,
in_chr_byte:
begin
{ should not happend as it's converted to typeconv }
internalerror(200104045);
end;
in_length_string:
begin
end;
in_typeinfo_x:
begin
location.loc:=LOC_REGISTER;
registers32:=1;
end;
in_assigned_x:
begin
location.loc:=LOC_FLAGS;
end;
in_ofs_x :
internalerror(2000101001);
in_seg_x :
internalerror(200104046);
in_pred_x,
in_succ_x:
begin
if is_64bitint(resulttype.def) then
begin
if (registers32<2) then
registers32:=2
end
else
begin
if (registers32<1) then
registers32:=1;
end;
location.loc:=LOC_REGISTER;
end;
in_setlength_x:
begin
end;
in_finalize_x:
begin
end;
in_inc_x,
in_dec_x:
begin
{ check type }
if is_64bitint(left.resulttype.def) or
{ range/overflow checking doesn't work properly }
{ with the inc/dec code that's generated (JM) }
((left.resulttype.def.deftype = orddef) and
not(is_char(left.resulttype.def)) and
not(is_boolean(left.resulttype.def)) and
(aktlocalswitches *
[cs_check_overflow,cs_check_range] <> [])) then
{ convert to simple add (JM) }
begin
{ extra parameter? }
if assigned(tcallparanode(left).right) then
begin
{ Yes, use for add node }
hpp := tcallparanode(tcallparanode(left).right).left;
tcallparanode(tcallparanode(left).right).left := nil;
if assigned(tcallparanode(tcallparanode(left).right).right) then
CGMessage(cg_e_illegal_expression);
end
else
{ no, create constant 1 }
hpp := cordconstnode.create(1,s32bittype);
{ addition/substraction depending on inc/dec }
if inlinenumber = in_inc_x then
hp := caddnode.create(addn,tcallparanode(left).left.getcopy,hpp)
else
hp := caddnode.create(subn,tcallparanode(left).left.getcopy,hpp);
{ assign result of addition }
hpp := cassignmentnode.create(tcallparanode(left).left,hp);
tcallparanode(left).left := nil;
{ firstpass it }
firstpass(hpp);
{ return new node }
result := hpp;
end
else if (left.resulttype.def.deftype in [enumdef,pointerdef]) or
is_ordinal(left.resulttype.def) then
begin
{ two paras ? }
if assigned(tcallparanode(left).right) then
begin
{ need we an additional register ? }
if not(is_constintnode(tcallparanode(tcallparanode(left).right).left)) and
(tcallparanode(tcallparanode(left).right).left.location.loc in [LOC_MEM,LOC_REFERENCE]) and
(tcallparanode(tcallparanode(left).right).left.registers32<=1) then
inc(registers32);
{ do we need an additional register to restore the first parameter? }
if tcallparanode(tcallparanode(left).right).left.registers32>=registers32 then
inc(registers32);
end;
end;
end;
in_read_x,
in_readln_x,
in_write_x,
in_writeln_x :
begin
{ needs a call }
procinfo^.flags:=procinfo^.flags or pi_do_call;
{ true, if readln needs an extra register }
extra_register:=false;
{ we must know if it is a typed file or not }
{ but we must first do the firstpass for it }
file_is_typed:=false;
if assigned(left) then
begin
iswrite:=(inlinenumber in [in_write_x,in_writeln_x]);
{ now we can check }
hp:=left;
while assigned(tcallparanode(hp).right) do
hp:=tcallparanode(hp).right;
{ if resulttype.def is not assigned, then automatically }
{ file is not typed. }
if assigned(hp) then
Begin
if (hp.resulttype.def.deftype=filedef) and
(tfiledef(hp.resulttype.def).filetyp=ft_typed) then
file_is_typed:=true;
end; { endif assigned(hp) }
if (not file_is_typed) then
begin
hp:=left;
while assigned(hp) do
begin
{$ifdef i386}
incrementregisterpushed($ff);
{$else}
incrementregisterpushed(ALL_REGISTERS);
{$endif}
if assigned(tcallparanode(hp).left.resulttype.def) then
begin
case tcallparanode(hp).left.resulttype.def.deftype of
orddef :
begin
if not(iswrite) and
not(is_64bitint(tcallparanode(hp).left.resulttype.def)) then
extra_register:=true;
end;
end;
end;
hp:=tcallparanode(hp).right;
end;
end;
{ calc registers }
left_max;
if extra_register then
inc(registers32);
end;
end;
in_settextbuf_file_x :
internalerror(200104262);
in_reset_typedfile,
in_rewrite_typedfile :
begin
procinfo^.flags:=procinfo^.flags or pi_do_call;
end;
in_str_x_string :
begin
procinfo^.flags:=procinfo^.flags or pi_do_call;
{ calc registers }
left_max;
end;
in_val_x :
begin
procinfo^.flags:=procinfo^.flags or pi_do_call;
{ calc registers }
left_max;
{ val doesn't calculate the registers really }
{ correct, we need one register extra (FK) }
{ there is a "code" parameter }
If Assigned(tcallparanode(tcallparanode(left).right).right) Then
hpp := tcallparanode(left).right
Else
hpp := left;
{ now hpp = the destination value tree }
if is_64bitint(tcallparanode(hpp).left.resulttype.def) then
inc(registers32,2)
else
inc(registers32,1);
end;
in_include_x_y,
in_exclude_x_y:
begin
registers32:=left.registers32;
registersfpu:=left.registersfpu;
{$ifdef SUPPORT_MMX}
registersmmx:=left.registersmmx;
{$endif SUPPORT_MMX}
end;
in_low_x,
in_high_x:
internalerror(200104047);
in_cos_extended:
begin
location.loc:=LOC_FPU;
registers32:=left.registers32;
registersfpu:=left.registersfpu;
{$ifdef SUPPORT_MMX}
registersmmx:=left.registersmmx;
{$endif SUPPORT_MMX}
end;
in_sin_extended:
begin
location.loc:=LOC_FPU;
registers32:=left.registers32;
registersfpu:=left.registersfpu;
{$ifdef SUPPORT_MMX}
registersmmx:=left.registersmmx;
{$endif SUPPORT_MMX}
end;
in_arctan_extended:
begin
location.loc:=LOC_FPU;
registers32:=left.registers32;
registersfpu:=left.registersfpu;
{$ifdef SUPPORT_MMX}
registersmmx:=left.registersmmx;
{$endif SUPPORT_MMX}
end;
in_pi:
begin
location.loc:=LOC_FPU;
end;
in_abs_extended:
begin
location.loc:=LOC_FPU;
registers32:=left.registers32;
registersfpu:=left.registersfpu;
{$ifdef SUPPORT_MMX}
registersmmx:=left.registersmmx;
{$endif SUPPORT_MMX}
end;
in_sqr_extended:
begin
location.loc:=LOC_FPU;
registers32:=left.registers32;
registersfpu:=left.registersfpu;
{$ifdef SUPPORT_MMX}
registersmmx:=left.registersmmx;
{$endif SUPPORT_MMX}
end;
in_sqrt_extended:
begin
location.loc:=LOC_FPU;
registers32:=left.registers32;
registersfpu:=left.registersfpu;
{$ifdef SUPPORT_MMX}
registersmmx:=left.registersmmx;
{$endif SUPPORT_MMX}
end;
in_ln_extended:
begin
location.loc:=LOC_FPU;
registers32:=left.registers32;
registersfpu:=left.registersfpu;
{$ifdef SUPPORT_MMX}
registersmmx:=left.registersmmx;
{$endif SUPPORT_MMX}
end;
{$ifdef SUPPORT_MMX}
in_mmx_pcmpeqb..in_mmx_pcmpgtw:
begin
end;
{$endif SUPPORT_MMX}
in_assert_x_y :
begin
{ We've checked the whole statement for correctness, now we
can remove it if assertions are off }
if not(cs_do_assertion in aktlocalswitches) then
begin
{ we need a valid node, so insert a nothingn }
result:=cnothingnode.create;
end
else
begin
registers32:=left.registers32;
registersfpu:=left.registersfpu;
{$ifdef SUPPORT_MMX}
registersmmx:=left.registersmmx;
{$endif SUPPORT_MMX}
end;
end;
else
internalerror(8);
end;
dec(parsing_para_level);
end;
{$ifdef fpc}
{$maxfpuregisters default}
{$endif fpc}
function tinlinenode.docompare(p: tnode): boolean;
begin
docompare :=
inherited docompare(p) and
(inlinenumber = tinlinenode(p).inlinenumber);
end;
begin
cinlinenode:=tinlinenode;
end.
{
$Log$
Revision 1.39 2001-04-26 21:57:05 peter
* moved code from firstpass to det_resulttype and remove extraneous
calls to firstcallparan for in_str,in_write,in_val
Revision 1.38 2001/04/21 12:03:11 peter
* m68k updates merged from fixes branch
Revision 1.37 2001/04/13 22:22:30 peter
* call set_varstate for setlength
* ptr returns pointerconstnode instead of ordconstnode
Revision 1.36 2001/04/13 01:22:09 peter
* symtable change to classes
* range check generation and errors fixed, make cycle DEBUG=1 works
* memory leaks fixed
Revision 1.35 2001/04/05 21:02:13 peter
* fixed fpu inline functions typeconvs
Revision 1.34 2001/04/04 22:42:40 peter
* move constant folding into det_resulttype
Revision 1.33 2001/04/04 21:30:43 florian
* applied several fixes to get the DD8 Delphi Unit compiled
e.g. "forward"-interfaces are working now
Revision 1.32 2001/04/02 21:20:31 peter
* resulttype rewrite
Revision 1.31 2001/03/23 00:16:07 florian
+ some stuff to compile FreeCLX added
Revision 1.30 2001/03/12 12:47:46 michael
+ Patches from peter
Revision 1.29 2001/03/03 12:38:08 jonas
* fixed low() for signed types < 64bit
Revision 1.28 2001/02/26 19:44:53 peter
* merged generic m68k updates from fixes branch
Revision 1.27 2001/02/22 11:24:40 jonas
* fixed bug in previous fix (hopped over revision 1.26 because that one
also removed the fix for high(cardinal))
Revision 1.26 2001/02/21 20:50:59 peter
* fix to compile again, but high(cardinal) with $R+ still fails!
Revision 1.25 2001/02/21 12:57:46 jonas
* fixed high/low for cardinal, int64 and qword
Revision 1.24 2001/01/06 19:54:11 peter
* merged fix for 1310
Revision 1.23 2001/01/06 18:28:39 peter
* fixed wrong notes about locals
Revision 1.22 2000/12/31 11:14:10 jonas
+ implemented/fixed docompare() mathods for all nodes (not tested)
+ nopt.pas, nadd.pas, i386/n386opt.pas: optimized nodes for adding strings
and constant strings/chars together
* n386add.pas: don't copy temp strings (of size 256) to another temp string
when adding
Revision 1.21 2000/12/25 00:07:26 peter
+ new tlinkedlist class (merge of old tstringqueue,tcontainer and
tlinkedlist objects)
Revision 1.20 2000/12/17 14:35:41 peter
* fixed crash with val()
Revision 1.19 2000/11/29 00:30:33 florian
* unused units removed from uses clause
* some changes for widestrings
Revision 1.18 2000/11/12 15:27:22 jonas
* also don't do conversion for chars/booleans (hopefully final change :/)
Revision 1.17 2000/11/11 21:08:13 jonas
* don't do inc/dec to add/sub conversion for enums
Revision 1.16 2000/11/11 16:18:35 peter
* ptr returns farpointer
Revision 1.15 2000/11/11 15:59:07 jonas
* convert inc/dec to add/sub when range/overflow checking is on
Revision 1.14 2000/11/09 17:46:54 florian
* System.TypeInfo fixed
+ System.Finalize implemented
+ some new keywords for interface support added
Revision 1.13 2000/11/04 16:48:32 florian
* innr.inc renamed to make compiler compilation easier because the rtl contains
a file of the same name
Revision 1.12 2000/10/31 22:02:48 peter
* symtable splitted, no real code changes
Revision 1.11 2000/10/26 14:15:06 jonas
* fixed setlength for shortstrings
Revision 1.10 2000/10/21 18:16:11 florian
* a lot of changes:
- basic dyn. array support
- basic C++ support
- some work for interfaces done
....
Revision 1.9 2000/10/15 08:38:46 jonas
* added missing getcopy for previous addition
Revision 1.8 2000/10/14 18:27:53 jonas
* merged fix for inc/dec on 64bit types from tcinl
Revision 1.7 2000/10/14 10:14:50 peter
* moehrendorf oct 2000 rewrite
Revision 1.6 2000/10/01 19:48:24 peter
* lot of compile updates for cg11
Revision 1.5 2000/09/28 19:49:52 florian
*** empty log message ***
Revision 1.4 2000/09/28 16:34:47 florian
*** empty log message ***
Revision 1.3 2000/09/27 21:33:22 florian
* finally nadd.pas compiles
Revision 1.2 2000/09/27 20:25:44 florian
* more stuff fixed
Revision 1.1 2000/09/26 14:59:34 florian
* more conversion work done
}