fpc/compiler/tccnv.pas

1088 lines
36 KiB
ObjectPascal

{
$Id$
Copyright (c) 1993-98 by Florian Klaempfl
Type checking and register allocation for type converting 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.
****************************************************************************
}
{$ifdef TP}
{$E+,F+,N+,D+,L+,Y+}
{$endif}
unit tccnv;
interface
uses
tree;
procedure arrayconstructor_to_set(var p:ptree);
procedure firsttypeconv(var p : ptree);
procedure firstas(var p : ptree);
procedure firstis(var p : ptree);
implementation
uses
globtype,systems,tokens,
cobjects,verbose,globals,
symconst,symtable,aasm,types,
hcodegen,htypechk,pass_1,cpubase;
{*****************************************************************************
Array constructor to Set Conversion
*****************************************************************************}
procedure arrayconstructor_to_set(var p:ptree);
var
constp,
buildp,
p2,p3,p4 : ptree;
pd : pdef;
constset : pconstset;
constsetlo,
constsethi : longint;
procedure update_constsethi(p:pdef);
begin
if ((p^.deftype=orddef) and
(porddef(p)^.high>constsethi)) then
constsethi:=porddef(p)^.high
else
if ((p^.deftype=enumdef) and
(penumdef(p)^.max>constsethi)) then
constsethi:=penumdef(p)^.max;
end;
procedure do_set(pos : longint);
var
mask,l : longint;
begin
if (pos>255) or (pos<0) then
Message(parser_e_illegal_set_expr);
if pos>constsethi then
constsethi:=pos;
if pos<constsetlo then
constsetlo:=pos;
l:=pos shr 3;
mask:=1 shl (pos mod 8);
{ do we allow the same twice }
if (constset^[l] and mask)<>0 then
Message(parser_e_illegal_set_expr);
constset^[l]:=constset^[l] or mask;
end;
var
l : longint;
lr,hr : longint;
begin
new(constset);
FillChar(constset^,sizeof(constset^),0);
pd:=nil;
constsetlo:=0;
constsethi:=0;
constp:=gensinglenode(setconstn,nil);
constp^.value_set:=constset;
buildp:=constp;
if assigned(p^.left) then
begin
while assigned(p) do
begin
p4:=nil; { will contain the tree to create the set }
{ split a range into p2 and p3 }
if p^.left^.treetype=arrayconstructrangen then
begin
p2:=p^.left^.left;
p3:=p^.left^.right;
{ node is not used anymore }
putnode(p^.left);
end
else
begin
p2:=p^.left;
p3:=nil;
end;
firstpass(p2);
if assigned(p3) then
firstpass(p3);
if codegenerror then
break;
case p2^.resulttype^.deftype of
enumdef,
orddef:
begin
getrange(p2^.resulttype,lr,hr);
if is_integer(p2^.resulttype) and
((lr<0) or (hr>255)) then
begin
p2:=gentypeconvnode(p2,u8bitdef);
firstpass(p2);
end;
{ set settype result }
if pd=nil then
pd:=p2^.resulttype;
if not(is_equal(pd,p2^.resulttype)) then
begin
aktfilepos:=p2^.fileinfo;
CGMessage(type_e_typeconflict_in_set);
disposetree(p2);
end
else
begin
if assigned(p3) then
begin
if is_integer(p3^.resulttype) then
begin
p3:=gentypeconvnode(p3,u8bitdef);
firstpass(p3);
end;
if not(is_equal(pd,p3^.resulttype)) then
begin
aktfilepos:=p3^.fileinfo;
CGMessage(type_e_typeconflict_in_set);
end
else
begin
if (p2^.treetype=ordconstn) and (p3^.treetype=ordconstn) then
begin
for l:=p2^.value to p3^.value do
do_set(l);
disposetree(p3);
disposetree(p2);
end
else
begin
update_constsethi(p3^.resulttype);
p4:=gennode(setelementn,p2,p3);
end;
end;
end
else
begin
{ Single value }
if p2^.treetype=ordconstn then
begin
do_set(p2^.value);
disposetree(p2);
end
else
begin
update_constsethi(p2^.resulttype);
p4:=gennode(setelementn,p2,nil);
end;
end;
end;
end;
stringdef : begin
if pd=nil then
pd:=cchardef;
if not(is_equal(pd,cchardef)) then
CGMessage(type_e_typeconflict_in_set)
else
for l:=1 to length(pstring(p2^.value_str)^) do
do_set(ord(pstring(p2^.value_str)^[l]));
disposetree(p2);
end;
else
CGMessage(type_e_ordinal_expr_expected);
end;
{ insert the set creation tree }
if assigned(p4) then
buildp:=gennode(addn,buildp,p4);
{ load next and dispose current node }
p2:=p;
p:=p^.right;
putnode(p2);
end;
end
else
begin
{ empty set [], only remove node }
putnode(p);
end;
{ set the initial set type }
constp^.resulttype:=new(psetdef,init(pd,constsethi));
{ set the new tree }
p:=buildp;
end;
{*****************************************************************************
FirstTypeConv
*****************************************************************************}
type
tfirstconvproc = procedure(var p : ptree);
procedure first_int_to_int(var p : ptree);
begin
if (p^.left^.location.loc<>LOC_REGISTER) and
(p^.resulttype^.size>p^.left^.resulttype^.size) then
p^.location.loc:=LOC_REGISTER;
if is_64bitint(p^.resulttype) then
p^.registers32:=max(p^.registers32,2)
else
p^.registers32:=max(p^.registers32,1);
end;
procedure first_cstring_to_pchar(var p : ptree);
begin
p^.registers32:=1;
p^.location.loc:=LOC_REGISTER;
end;
procedure first_string_to_chararray(var p : ptree);
begin
p^.registers32:=1;
p^.location.loc:=LOC_REGISTER;
end;
procedure first_string_to_string(var p : ptree);
var
hp : ptree;
begin
if pstringdef(p^.resulttype)^.string_typ<>
pstringdef(p^.left^.resulttype)^.string_typ then
begin
if p^.left^.treetype=stringconstn then
begin
p^.left^.stringtype:=pstringdef(p^.resulttype)^.string_typ;
p^.left^.resulttype:=p^.resulttype;
{ remove typeconv node }
hp:=p;
p:=p^.left;
putnode(hp);
exit;
end
else
procinfo.flags:=procinfo.flags or pi_do_call;
end;
{ for simplicity lets first keep all ansistrings
as LOC_MEM, could also become LOC_REGISTER }
p^.location.loc:=LOC_MEM;
end;
procedure first_char_to_string(var p : ptree);
var
hp : ptree;
begin
if p^.left^.treetype=ordconstn then
begin
hp:=genstringconstnode(chr(p^.left^.value));
hp^.stringtype:=pstringdef(p^.resulttype)^.string_typ;
firstpass(hp);
disposetree(p);
p:=hp;
end
else
p^.location.loc:=LOC_MEM;
end;
procedure first_nothing(var p : ptree);
begin
p^.location.loc:=LOC_MEM;
end;
procedure first_array_to_pointer(var p : ptree);
begin
if p^.registers32<1 then
p^.registers32:=1;
p^.location.loc:=LOC_REGISTER;
end;
procedure first_int_to_real(var p : ptree);
var
t : ptree;
begin
if p^.left^.treetype=ordconstn then
begin
t:=genrealconstnode(p^.left^.value,pfloatdef(p^.resulttype));
firstpass(t);
disposetree(p);
p:=t;
exit;
end;
if p^.registersfpu<1 then
p^.registersfpu:=1;
p^.location.loc:=LOC_FPU;
end;
procedure first_int_to_fix(var p : ptree);
var
t : ptree;
begin
if p^.left^.treetype=ordconstn then
begin
t:=genfixconstnode(p^.left^.value shl 16,p^.resulttype);
firstpass(t);
disposetree(p);
p:=t;
exit;
end;
if p^.registers32<1 then
p^.registers32:=1;
p^.location.loc:=LOC_REGISTER;
end;
procedure first_real_to_fix(var p : ptree);
var
t : ptree;
begin
if p^.left^.treetype=fixconstn then
begin
t:=genfixconstnode(round(p^.left^.value_real*65536),p^.resulttype);
firstpass(t);
disposetree(p);
p:=t;
exit;
end;
{ at least one fpu and int register needed }
if p^.registers32<1 then
p^.registers32:=1;
if p^.registersfpu<1 then
p^.registersfpu:=1;
p^.location.loc:=LOC_REGISTER;
end;
procedure first_fix_to_real(var p : ptree);
var
t : ptree;
begin
if p^.left^.treetype=fixconstn then
begin
t:=genrealconstnode(round(p^.left^.value_fix/65536.0),p^.resulttype);
firstpass(t);
disposetree(p);
p:=t;
exit;
end;
if p^.registersfpu<1 then
p^.registersfpu:=1;
p^.location.loc:=LOC_FPU;
end;
procedure first_real_to_real(var p : ptree);
var
t : ptree;
begin
if p^.left^.treetype=realconstn then
begin
t:=genrealconstnode(p^.left^.value_real,p^.resulttype);
firstpass(t);
disposetree(p);
p:=t;
exit;
end;
{ comp isn't a floating type }
{$ifdef i386}
if (pfloatdef(p^.resulttype)^.typ=s64comp) and
(pfloatdef(p^.left^.resulttype)^.typ<>s64comp) and
not (p^.explizit) then
CGMessage(type_w_convert_real_2_comp);
{$endif}
if p^.registersfpu<1 then
p^.registersfpu:=1;
p^.location.loc:=LOC_FPU;
end;
procedure first_pointer_to_array(var p : ptree);
begin
if p^.registers32<1 then
p^.registers32:=1;
p^.location.loc:=LOC_REFERENCE;
end;
procedure first_chararray_to_string(var p : ptree);
begin
{ the only important information is the location of the }
{ result }
{ other stuff is done by firsttypeconv }
p^.location.loc:=LOC_MEM;
end;
procedure first_cchar_to_pchar(var p : ptree);
begin
p^.left:=gentypeconvnode(p^.left,cshortstringdef);
{ convert constant char to constant string }
firstpass(p^.left);
{ evalute tree }
firstpass(p);
end;
procedure first_bool_to_int(var p : ptree);
begin
{ byte(boolean) or word(wordbool) or longint(longbool) must
be accepted for var parameters }
if (p^.explizit) and
(p^.left^.resulttype^.size=p^.resulttype^.size) and
(p^.left^.location.loc in [LOC_REFERENCE,LOC_MEM,LOC_CREGISTER]) then
exit;
p^.location.loc:=LOC_REGISTER;
if p^.registers32<1 then
p^.registers32:=1;
end;
procedure first_int_to_bool(var p : ptree);
begin
{ byte(boolean) or word(wordbool) or longint(longbool) must
be accepted for var parameters }
if (p^.explizit) and
(p^.left^.resulttype^.size=p^.resulttype^.size) and
(p^.left^.location.loc in [LOC_REFERENCE,LOC_MEM,LOC_CREGISTER]) then
exit;
p^.location.loc:=LOC_REGISTER;
{ need if bool to bool !!
not very nice !!
p^.left:=gentypeconvnode(p^.left,s32bitdef);
p^.left^.explizit:=true;
firstpass(p^.left); }
if p^.registers32<1 then
p^.registers32:=1;
end;
procedure first_bool_to_bool(var p : ptree);
begin
p^.location.loc:=LOC_REGISTER;
if p^.registers32<1 then
p^.registers32:=1;
end;
procedure first_proc_to_procvar(var p : ptree);
begin
{ hmmm, I'am not sure if that is necessary (FK) }
firstpass(p^.left);
if codegenerror then
exit;
if (p^.left^.location.loc<>LOC_REFERENCE) then
CGMessage(cg_e_illegal_expression);
p^.registers32:=p^.left^.registers32;
if p^.registers32<1 then
p^.registers32:=1;
p^.location.loc:=LOC_REGISTER;
end;
procedure first_load_smallset(var p : ptree);
begin
end;
procedure first_pchar_to_string(var p : ptree);
begin
p^.location.loc:=LOC_REFERENCE;
end;
procedure first_ansistring_to_pchar(var p : ptree);
begin
p^.location.loc:=LOC_REGISTER;
if p^.registers32<1 then
p^.registers32:=1;
end;
procedure first_arrayconstructor_to_set(var p:ptree);
var
hp : ptree;
begin
if p^.left^.treetype<>arrayconstructn then
internalerror(5546);
{ remove typeconv node }
hp:=p;
p:=p^.left;
putnode(hp);
{ create a set constructor tree }
arrayconstructor_to_set(p);
{ now firstpass the set }
firstpass(p);
end;
procedure firsttypeconv(var p : ptree);
var
hp : ptree;
aprocdef : pprocdef;
const
firstconvert : array[tconverttype] of tfirstconvproc = (
first_nothing, {equal}
first_nothing, {not_possible}
first_string_to_string,
first_char_to_string,
first_pchar_to_string,
first_cchar_to_pchar,
first_cstring_to_pchar,
first_ansistring_to_pchar,
first_string_to_chararray,
first_chararray_to_string,
first_array_to_pointer,
first_pointer_to_array,
first_int_to_int,
first_int_to_bool,
first_bool_to_bool,
first_bool_to_int,
first_real_to_real,
first_int_to_real,
first_int_to_fix,
first_real_to_fix,
first_fix_to_real,
first_proc_to_procvar,
first_arrayconstructor_to_set,
first_load_smallset
);
begin
aprocdef:=nil;
{ if explicite type cast, then run firstpass }
if p^.explizit then
firstpass(p^.left);
if (p^.left^.treetype=typen) and (p^.left^.resulttype=generrordef) then
begin
codegenerror:=true;
Message(parser_e_no_type_not_allowed_here);
end;
if codegenerror then
begin
p^.resulttype:=generrordef;
exit;
end;
if not assigned(p^.left^.resulttype) then
begin
codegenerror:=true;
internalerror(52349);
exit;
end;
{ load the value_str from the left part }
p^.registers32:=p^.left^.registers32;
p^.registersfpu:=p^.left^.registersfpu;
{$ifdef SUPPORT_MMX}
p^.registersmmx:=p^.left^.registersmmx;
{$endif}
set_location(p^.location,p^.left^.location);
{ remove obsolete type conversions }
if is_equal(p^.left^.resulttype,p^.resulttype) then
begin
{ becuase is_equal only checks the basetype for sets we need to
check here if we are loading a smallset into a normalset }
if (p^.resulttype^.deftype=setdef) and
(p^.left^.resulttype^.deftype=setdef) and
(psetdef(p^.resulttype)^.settype<>smallset) and
(psetdef(p^.left^.resulttype)^.settype=smallset) then
begin
{ try to define the set as a normalset if it's a constant set }
if p^.left^.treetype=setconstn then
begin
p^.resulttype:=p^.left^.resulttype;
psetdef(p^.resulttype)^.settype:=normset
end
else
p^.convtyp:=tc_load_smallset;
exit;
end
else
begin
hp:=p;
p:=p^.left;
p^.resulttype:=hp^.resulttype;
putnode(hp);
exit;
end;
end;
aprocdef:=assignment_overloaded(p^.left^.resulttype,p^.resulttype);
if assigned(aprocdef) then
begin
procinfo.flags:=procinfo.flags or pi_do_call;
hp:=gencallnode(overloaded_operators[assignment],nil);
{ tell explicitly which def we must use !! (PM) }
hp^.procdefinition:=aprocdef;
hp^.left:=gencallparanode(p^.left,nil);
putnode(p);
p:=hp;
firstpass(p);
exit;
end;
if isconvertable(p^.left^.resulttype,p^.resulttype,p^.convtyp,p^.left^.treetype,p^.explizit)=0 then
begin
{Procedures have a resulttype of voiddef and functions of their
own resulttype. They will therefore always be incompatible with
a procvar. Because isconvertable cannot check for procedures we
use an extra check for them.}
if (m_tp_procvar in aktmodeswitches) then
begin
if (p^.resulttype^.deftype=procvardef) and
(is_procsym_load(p^.left) or is_procsym_call(p^.left)) then
begin
if is_procsym_call(p^.left) then
begin
if p^.left^.right=nil then
begin
p^.left^.treetype:=loadn;
{ are at same offset so this could be spared, but
it more secure to do it anyway }
p^.left^.symtableentry:=p^.left^.symtableprocentry;
p^.left^.resulttype:=pprocsym(p^.left^.symtableentry)^.definition;
aprocdef:=pprocdef(p^.left^.resulttype);
end
else
begin
p^.left^.right^.treetype:=loadn;
p^.left^.right^.symtableentry:=p^.left^.right^.symtableentry;
P^.left^.right^.resulttype:=pvarsym(p^.left^.symtableentry)^.definition;
hp:=p^.left^.right;
putnode(p^.left);
p^.left:=hp;
{ should we do that ? }
firstpass(p^.left);
if not is_equal(p^.left^.resulttype,p^.resulttype) then
begin
CGMessage(type_e_mismatch);
exit;
end
else
begin
hp:=p;
p:=p^.left;
p^.resulttype:=hp^.resulttype;
putnode(hp);
exit;
end;
end;
end
else
begin
if (p^.left^.treetype<>addrn) then
aprocdef:=pprocsym(p^.left^.symtableentry)^.definition;
end;
p^.convtyp:=tc_proc_2_procvar;
{ Now check if the procedure we are going to assign to
the procvar, is compatible with the procvar's type }
if assigned(aprocdef) then
begin
if not proc_to_procvar_equal(aprocdef,pprocvardef(p^.resulttype)) then
CGMessage2(type_e_incompatible_types,aprocdef^.typename,p^.resulttype^.typename);
firstconvert[p^.convtyp](p);
end
else
CGMessage2(type_e_incompatible_types,p^.left^.resulttype^.typename,p^.resulttype^.typename);
exit;
end;
end;
if p^.explizit then
begin
{ boolean to byte are special because the
location can be different }
if is_integer(p^.resulttype) and
is_boolean(p^.left^.resulttype) then
begin
p^.convtyp:=tc_bool_2_int;
firstconvert[p^.convtyp](p);
exit;
end;
{ ansistring to pchar }
if is_pchar(p^.resulttype) and
is_ansistring(p^.left^.resulttype) then
begin
p^.convtyp:=tc_ansistring_2_pchar;
firstconvert[p^.convtyp](p);
exit;
end;
{ do common tc_equal cast }
p^.convtyp:=tc_equal;
{ enum to ordinal will always be s32bit }
if (p^.left^.resulttype^.deftype=enumdef) and
is_ordinal(p^.resulttype) then
begin
if p^.left^.treetype=ordconstn then
begin
hp:=genordinalconstnode(p^.left^.value,p^.resulttype);
disposetree(p);
firstpass(hp);
p:=hp;
exit;
end
else
begin
if isconvertable(s32bitdef,p^.resulttype,p^.convtyp,ordconstn,false)=0 then
CGMessage(cg_e_illegal_type_conversion);
end;
end
{ ordinal to enumeration }
else
if (p^.resulttype^.deftype=enumdef) and
is_ordinal(p^.left^.resulttype) then
begin
if p^.left^.treetype=ordconstn then
begin
hp:=genordinalconstnode(p^.left^.value,p^.resulttype);
disposetree(p);
firstpass(hp);
p:=hp;
exit;
end
else
begin
if IsConvertable(p^.left^.resulttype,s32bitdef,p^.convtyp,ordconstn,false)=0 then
CGMessage(cg_e_illegal_type_conversion);
end;
end
{Are we typecasting an ordconst to a char?}
else
if is_char(p^.resulttype) and
is_ordinal(p^.left^.resulttype) then
begin
if p^.left^.treetype=ordconstn then
begin
hp:=genordinalconstnode(p^.left^.value,p^.resulttype);
firstpass(hp);
disposetree(p);
p:=hp;
exit;
end
else
begin
{ this is wrong because it converts to a 4 byte long var !!
if not isconvertable(p^.left^.resulttype,s32bitdef,p^.convtyp,ordconstn nur Dummy ) then }
if IsConvertable(p^.left^.resulttype,u8bitdef,p^.convtyp,ordconstn,false)=0 then
CGMessage(cg_e_illegal_type_conversion);
end;
end
{ only if the same size or formal def }
{ why do we allow typecasting of voiddef ?? (PM) }
else
begin
if not(
(p^.left^.resulttype^.deftype=formaldef) or
(p^.left^.resulttype^.size=p^.resulttype^.size) or
(is_equal(p^.left^.resulttype,voiddef) and
(p^.left^.treetype=derefn))
) then
CGMessage(cg_e_illegal_type_conversion);
if ((p^.left^.resulttype^.deftype=orddef) and
(p^.resulttype^.deftype=pointerdef)) or
((p^.resulttype^.deftype=orddef) and
(p^.left^.resulttype^.deftype=pointerdef))
{$ifdef extdebug}and (p^.firstpasscount=0){$endif} then
CGMessage(cg_d_pointer_to_longint_conv_not_portable);
end;
{ the conversion into a strutured type is only }
{ possible, if the source is no register }
if ((p^.resulttype^.deftype in [recorddef,stringdef,arraydef]) or
((p^.resulttype^.deftype=objectdef) and not(pobjectdef(p^.resulttype)^.is_class))
) and (p^.left^.location.loc in [LOC_REGISTER,LOC_CREGISTER]) { and
it also works if the assignment is overloaded
YES but this code is not executed if assignment is overloaded (PM)
not assigned(assignment_overloaded(p^.left^.resulttype,p^.resulttype))} then
CGMessage(cg_e_illegal_type_conversion);
end
else
CGMessage2(type_e_incompatible_types,p^.left^.resulttype^.typename,p^.resulttype^.typename);
end;
{ ordinal contants can be directly converted }
{ but not int64/qword }
if (p^.left^.treetype=ordconstn) and is_ordinal(p^.resulttype) and
not(is_64bitint(p^.resulttype)) then
begin
{ range checking is done in genordinalconstnode (PFV) }
hp:=genordinalconstnode(p^.left^.value,p^.resulttype);
disposetree(p);
firstpass(hp);
p:=hp;
exit;
end;
if p^.convtyp<>tc_equal then
firstconvert[p^.convtyp](p);
end;
{*****************************************************************************
FirstIs
*****************************************************************************}
procedure firstis(var p : ptree);
var
Store_valid : boolean;
begin
Store_valid:=Must_be_valid;
Must_be_valid:=true;
firstpass(p^.left);
firstpass(p^.right);
Must_be_valid:=Store_valid;
if codegenerror then
exit;
if (p^.right^.resulttype^.deftype<>classrefdef) then
CGMessage(type_e_mismatch);
left_right_max(p);
{ left must be a class }
if (p^.left^.resulttype^.deftype<>objectdef) or
not(pobjectdef(p^.left^.resulttype)^.is_class) then
CGMessage(type_e_mismatch);
{ the operands must be related }
if (not(pobjectdef(p^.left^.resulttype)^.is_related(
pobjectdef(pclassrefdef(p^.right^.resulttype)^.definition)))) and
(not(pobjectdef(pclassrefdef(p^.right^.resulttype)^.definition)^.is_related(
pobjectdef(p^.left^.resulttype)))) then
CGMessage(type_e_mismatch);
p^.location.loc:=LOC_FLAGS;
p^.resulttype:=booldef;
end;
{*****************************************************************************
FirstAs
*****************************************************************************}
procedure firstas(var p : ptree);
var
Store_valid : boolean;
begin
Store_valid:=Must_be_valid;
Must_be_valid:=true;
firstpass(p^.right);
firstpass(p^.left);
Must_be_valid:=Store_valid;
if codegenerror then
exit;
if (p^.right^.resulttype^.deftype<>classrefdef) then
CGMessage(type_e_mismatch);
left_right_max(p);
{ left must be a class }
if (p^.left^.resulttype^.deftype<>objectdef) or
not(pobjectdef(p^.left^.resulttype)^.is_class) then
CGMessage(type_e_mismatch);
{ the operands must be related }
if (not(pobjectdef(p^.left^.resulttype)^.is_related(
pobjectdef(pclassrefdef(p^.right^.resulttype)^.definition)))) and
(not(pobjectdef(pclassrefdef(p^.right^.resulttype)^.definition)^.is_related(
pobjectdef(p^.left^.resulttype)))) then
CGMessage(type_e_mismatch);
set_location(p^.location,p^.left^.location);
p^.resulttype:=pclassrefdef(p^.right^.resulttype)^.definition;
end;
end.
{
$Log$
Revision 1.43 1999-08-04 00:23:36 florian
* renamed i386asm and i386base to cpuasm and cpubase
Revision 1.42 1999/08/03 22:03:28 peter
* moved bitmask constants to sets
* some other type/const renamings
Revision 1.41 1999/06/30 22:16:23 florian
* use of is_ordinal checked: often a qword/int64 isn't allowed (case/for ...)
* small qword problems fixed
Revision 1.40 1999/06/28 22:29:21 florian
* qword division fixed
+ code for qword/int64 type casting added:
range checking isn't implemented yet
Revision 1.39 1999/06/28 19:30:07 peter
* merged
Revision 1.35.2.5 1999/06/28 19:07:47 peter
* remove cstring->string typeconvs after updating cstringn
Revision 1.35.2.4 1999/06/28 00:33:50 pierre
* better error position bug0269
Revision 1.35.2.3 1999/06/17 12:51:48 pierre
* changed is_assignment_overloaded into
function assignment_overloaded : pprocdef
to allow overloading of assignment with only different result type
Revision 1.35.2.2 1999/06/15 18:54:53 peter
* more procvar fixes
Revision 1.35.2.1 1999/06/13 22:39:19 peter
* use proc_to_procvar_equal
Revision 1.35 1999/06/02 22:44:24 pierre
* previous wrong log corrected
Revision 1.34 1999/06/02 22:25:54 pierre
* changed $ifdef FPC @ into $ifndef TP
+ debug note about longint to pointer conversion
Revision 1.33 1999/05/27 19:45:15 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 1.32 1999/05/20 14:58:28 peter
* fixed arrayconstruct->set conversion which didn't work for enum sets
Revision 1.31 1999/05/13 21:59:52 peter
* removed oldppu code
* warning if objpas is loaded from uses
* first things for new deref writing
Revision 1.30 1999/05/12 00:20:00 peter
* removed R_DEFAULT_SEG
* uniform float names
Revision 1.29 1999/05/09 11:37:05 peter
* fixed order of arguments for incompatible types message
Revision 1.28 1999/05/06 09:05:34 peter
* generic write_float and str_float
* fixed constant float conversions
Revision 1.27 1999/05/01 13:24:48 peter
* merged nasm compiler
* old asm moved to oldasm/
Revision 1.26 1999/04/26 13:31:58 peter
* release storenumber,double_checksum
Revision 1.25 1999/04/22 10:49:09 peter
* fixed pchar to string location
Revision 1.24 1999/04/21 09:44:01 peter
* storenumber works
* fixed some typos in double_checksum
+ incompatible types type1 and type2 message (with storenumber)
Revision 1.23 1999/04/15 08:56:24 peter
* fixed bool-bool conversion
Revision 1.22 1999/04/08 09:47:31 pierre
* warn if uninitilized local vars are used in IS or AS statements
Revision 1.21 1999/03/06 17:25:20 peter
* moved comp<->real warning so it doesn't occure everytime that
isconvertable is called with
Revision 1.20 1999/03/02 18:24:23 peter
* fixed overloading of array of char
Revision 1.19 1999/02/22 02:15:46 peter
* updates for ag386bin
Revision 1.18 1999/01/27 14:56:57 pierre
* typo error corrected solves bug0190 and bug0204
Revision 1.17 1999/01/27 14:15:25 pierre
* bug0209 corrected (introduce while solving other bool to int related bugs)
Revision 1.16 1999/01/27 13:02:21 pierre
boolean to int conversion problems bug0205 bug0208
Revision 1.15 1999/01/27 00:13:57 florian
* "procedure of object"-stuff fixed
Revision 1.14 1999/01/19 12:17:45 peter
* removed rangecheck warning which was shown twice
Revision 1.13 1998/12/30 22:13:47 peter
* if explicit cnv then also handle the ordinal consts direct
Revision 1.12 1998/12/11 00:03:53 peter
+ globtype,tokens,version unit splitted from globals
Revision 1.11 1998/12/04 10:18:12 florian
* some stuff for procedures of object added
* bug with overridden virtual constructors fixed (reported by Italo Gomes)
Revision 1.10 1998/11/29 12:40:24 peter
* newcnv -> not oldcnv
Revision 1.9 1998/11/26 13:10:43 peter
* new int - int conversion -dNEWCNV
* some function renamings
Revision 1.8 1998/11/05 12:03:03 peter
* released useansistring
* removed -Sv, its now available in fpc modes
Revision 1.7 1998/10/23 11:58:27 florian
* better code generation for s:=s+[b] if b is in the range of
a small set and s is also a small set
Revision 1.6 1998/10/21 15:12:58 pierre
* bug fix for IOCHECK inside a procedure with iocheck modifier
* removed the GPF for unexistant overloading
(firstcall was called with procedinition=nil !)
* changed typen to what Florian proposed
gentypenode(p : pdef) sets the typenodetype field
and resulttype is only set if inside bt_type block !
Revision 1.5 1998/10/07 10:38:55 peter
* forgot a firstpass in arrayconstruct2set
Revision 1.4 1998/10/05 21:33:32 peter
* fixed 161,165,166,167,168
Revision 1.3 1998/09/27 10:16:26 florian
* type casts pchar<->ansistring fixed
* ansistring[..] calls does now an unique call
Revision 1.2 1998/09/24 23:49:22 peter
+ aktmodeswitches
Revision 1.1 1998/09/23 20:42:24 peter
* splitted pass_1
}