mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-04-12 00:08:17 +02:00
746 lines
26 KiB
ObjectPascal
746 lines
26 KiB
ObjectPascal
{
|
|
Copyright (c) 1998-2002 by Florian Klaempfl
|
|
|
|
Does parsing types for Free Pascal
|
|
|
|
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 ptype;
|
|
|
|
{$i fpcdefs.inc}
|
|
|
|
interface
|
|
|
|
uses
|
|
globtype,cclasses,symtype,symdef;
|
|
|
|
const
|
|
{ forward types should only be possible inside a TYPE statement }
|
|
typecanbeforward : boolean = false;
|
|
|
|
var
|
|
{ hack, which allows to use the current parsed }
|
|
{ object type as function argument type }
|
|
testcurobject : byte;
|
|
|
|
{ reads a string, file type or a type id and returns a name and }
|
|
{ tdef }
|
|
procedure single_type(var tt:ttype;isforwarddef:boolean);
|
|
|
|
procedure read_named_type(var tt:ttype;const name : stringid;genericdef:tstoreddef;genericlist:TFPObjectList;parseprocvardir:boolean);
|
|
procedure read_anon_type(var tt : ttype;parseprocvardir:boolean);
|
|
|
|
{ reads a type definition }
|
|
{ to a appropriating tdef, s gets the name of }
|
|
{ the type to allow name mangling }
|
|
procedure id_type(var tt : ttype;isforwarddef:boolean);
|
|
|
|
|
|
implementation
|
|
|
|
uses
|
|
{ common }
|
|
cutils,
|
|
{ global }
|
|
globals,tokens,verbose,
|
|
systems,
|
|
{ target }
|
|
paramgr,
|
|
{ symtable }
|
|
symconst,symbase,symsym,symtable,
|
|
defutil,defcmp,
|
|
{ pass 1 }
|
|
node,
|
|
nmat,nadd,ncal,nset,ncnv,ninl,ncon,nld,nflw,
|
|
{ parser }
|
|
scanner,
|
|
pbase,pexpr,pdecsub,pdecvar,pdecobj;
|
|
|
|
|
|
procedure generate_specialization(var pt1:tnode;const name:string);
|
|
var
|
|
st : tsymtable;
|
|
pt2 : tnode;
|
|
first,
|
|
err : boolean;
|
|
sym : tsym;
|
|
genericdef : tstoreddef;
|
|
generictype : ttypesym;
|
|
generictypelist : TFPObjectList;
|
|
begin
|
|
{ retrieve generic def that we are going to replace }
|
|
genericdef:=tstoreddef(pt1.resulttype.def);
|
|
pt1.resulttype.reset;
|
|
if not(df_generic in genericdef.defoptions) then
|
|
begin
|
|
Comment(V_Error,'Specialization is only supported for generic types');
|
|
pt1.resulttype:=generrortype;
|
|
{ recover }
|
|
consume(_LSHARPBRACKET);
|
|
repeat
|
|
pt2:=factor(false);
|
|
pt2.free;
|
|
until not try_to_consume(_COMMA);
|
|
consume(_RSHARPBRACKET);
|
|
exit;
|
|
end;
|
|
consume(_LSHARPBRACKET);
|
|
block_type:=bt_specialize;
|
|
{ Parse generic parameters, for each undefineddef in the symtable of
|
|
the genericdef we need to have a new def }
|
|
err:=false;
|
|
first:=true;
|
|
generictypelist:=TFPObjectList.create(false);
|
|
case genericdef.deftype of
|
|
procdef :
|
|
st:=genericdef.getsymtable(gs_para);
|
|
objectdef,
|
|
recorddef :
|
|
st:=genericdef.getsymtable(gs_record);
|
|
end;
|
|
if not assigned(st) then
|
|
internalerror(200511182);
|
|
sym:=tsym(st.symindex.first);
|
|
while assigned(sym) do
|
|
begin
|
|
if (sym.typ=typesym) and
|
|
(ttypesym(sym).restype.def.deftype=undefineddef) then
|
|
begin
|
|
if not first then
|
|
begin
|
|
consume(_COMMA);
|
|
first:=false;
|
|
end;
|
|
pt2:=factor(false);
|
|
if pt2.nodetype=typen then
|
|
begin
|
|
generictype:=ttypesym.create(sym.realname,pt2.resulttype);
|
|
generictypelist.add(generictype);
|
|
end
|
|
else
|
|
begin
|
|
Message(type_e_type_id_expected);
|
|
err:=true;
|
|
end;
|
|
pt2.free;
|
|
end;
|
|
sym:=tsym(sym.indexnext);
|
|
end;
|
|
{ Reparse the original type definition }
|
|
if not err then
|
|
begin
|
|
if not assigned(genericdef.generictokenbuf) then
|
|
internalerror(200511171);
|
|
current_scanner.startreplaytokens(genericdef.generictokenbuf);
|
|
read_named_type(pt1.resulttype,name,genericdef,generictypelist,false);
|
|
{ Consume the semicolon if it is also recorded }
|
|
try_to_consume(_SEMICOLON);
|
|
end;
|
|
generictypelist.free;
|
|
consume(_RSHARPBRACKET);
|
|
end;
|
|
|
|
|
|
procedure id_type(var tt : ttype;isforwarddef:boolean);
|
|
{ reads a type definition }
|
|
{ to a appropriating tdef, s gets the name of }
|
|
{ the type to allow name mangling }
|
|
var
|
|
is_unit_specific : boolean;
|
|
pos : tfileposinfo;
|
|
srsym : tsym;
|
|
srsymtable : tsymtable;
|
|
s,sorg : stringid;
|
|
begin
|
|
s:=pattern;
|
|
sorg:=orgpattern;
|
|
pos:=akttokenpos;
|
|
{ use of current parsed object:
|
|
- classes can be used also in classes
|
|
- objects can be parameters }
|
|
if assigned(aktobjectdef) and
|
|
(aktobjectdef.objname^=pattern) and
|
|
(
|
|
(testcurobject=2) or
|
|
is_class_or_interface(aktobjectdef)
|
|
)then
|
|
begin
|
|
consume(_ID);
|
|
tt.setdef(aktobjectdef);
|
|
exit;
|
|
end;
|
|
{ Use the special searchsym_type that ignores records,objects and
|
|
parameters }
|
|
searchsym_type(s,srsym,srsymtable);
|
|
{ handle unit specification like System.Writeln }
|
|
is_unit_specific:=try_consume_unitsym(srsym,srsymtable);
|
|
consume(_ID);
|
|
{ Types are first defined with an error def before assigning
|
|
the real type so check if it's an errordef. if so then
|
|
give an error. Only check for typesyms in the current symbol
|
|
table as forwarddef are not resolved directly }
|
|
if assigned(srsym) and
|
|
(srsym.typ=typesym) and
|
|
(ttypesym(srsym).restype.def.deftype=errordef) then
|
|
begin
|
|
Message1(type_e_type_is_not_completly_defined,ttypesym(srsym).realname);
|
|
tt:=generrortype;
|
|
exit;
|
|
end;
|
|
{ are we parsing a possible forward def ? }
|
|
if isforwarddef and
|
|
not(is_unit_specific) then
|
|
begin
|
|
tt.setdef(tforwarddef.create(s,pos));
|
|
exit;
|
|
end;
|
|
{ unknown sym ? }
|
|
if not assigned(srsym) then
|
|
begin
|
|
Message1(sym_e_id_not_found,sorg);
|
|
tt:=generrortype;
|
|
exit;
|
|
end;
|
|
{ type sym ? }
|
|
if (srsym.typ<>typesym) then
|
|
begin
|
|
Message(type_e_type_id_expected);
|
|
tt:=generrortype;
|
|
exit;
|
|
end;
|
|
{ Give an error when referring to an errordef }
|
|
if (ttypesym(srsym).restype.def.deftype=errordef) then
|
|
begin
|
|
Message(sym_e_error_in_type_def);
|
|
tt:=generrortype;
|
|
exit;
|
|
end;
|
|
{ Use the definitions for current unit, because
|
|
they can be refered from the parameters and symbols are not
|
|
loaded at that time. Only write the definition when the
|
|
symbol is the real owner of the definition (not a redefine) }
|
|
if (ttypesym(srsym).owner.symtabletype in [staticsymtable,globalsymtable]) and
|
|
ttypesym(srsym).owner.iscurrentunit and
|
|
(
|
|
(ttypesym(srsym).restype.def.typesym=nil) or
|
|
(srsym=ttypesym(srsym).restype.def.typesym)
|
|
) then
|
|
tt.setdef(ttypesym(srsym).restype.def)
|
|
else
|
|
tt.setsym(srsym);
|
|
end;
|
|
|
|
|
|
procedure single_type(var tt:ttype;isforwarddef:boolean);
|
|
var
|
|
t2 : ttype;
|
|
again : boolean;
|
|
begin
|
|
repeat
|
|
again:=false;
|
|
case token of
|
|
_STRING:
|
|
string_dec(tt);
|
|
|
|
_FILE:
|
|
begin
|
|
consume(_FILE);
|
|
if try_to_consume(_OF) then
|
|
begin
|
|
single_type(t2,false);
|
|
tt.setdef(tfiledef.createtyped(t2));
|
|
end
|
|
else
|
|
tt:=cfiletype;
|
|
end;
|
|
|
|
_ID:
|
|
begin
|
|
if try_to_consume(_SPECIALIZE) then
|
|
begin
|
|
block_type:=bt_specialize;
|
|
again:=true;
|
|
end
|
|
else
|
|
id_type(tt,isforwarddef);
|
|
end;
|
|
|
|
else
|
|
begin
|
|
message(type_e_type_id_expected);
|
|
tt:=generrortype;
|
|
end;
|
|
end;
|
|
until not again;
|
|
end;
|
|
|
|
{ reads a record declaration }
|
|
function record_dec : tdef;
|
|
|
|
var
|
|
recst : trecordsymtable;
|
|
storetypecanbeforward : boolean;
|
|
old_object_option : tsymoptions;
|
|
begin
|
|
{ create recdef }
|
|
recst:=trecordsymtable.create(aktpackrecords);
|
|
record_dec:=trecorddef.create(recst);
|
|
{ insert in symtablestack }
|
|
symtablestack.push(recst);
|
|
{ parse record }
|
|
consume(_RECORD);
|
|
old_object_option:=current_object_option;
|
|
current_object_option:=[sp_public];
|
|
storetypecanbeforward:=typecanbeforward;
|
|
{ for tp7 don't allow forward types }
|
|
if m_tp7 in aktmodeswitches then
|
|
typecanbeforward:=false;
|
|
read_record_fields([vd_record]);
|
|
consume(_END);
|
|
typecanbeforward:=storetypecanbeforward;
|
|
current_object_option:=old_object_option;
|
|
{ make the record size aligned }
|
|
recst.addalignmentpadding;
|
|
{ restore symtable stack }
|
|
symtablestack.pop(recst);
|
|
end;
|
|
|
|
|
|
{ reads a type definition and returns a pointer to it }
|
|
procedure read_named_type(var tt : ttype;const name : stringid;genericdef:tstoreddef;genericlist:TFPObjectList;parseprocvardir:boolean);
|
|
var
|
|
pt : tnode;
|
|
tt2 : ttype;
|
|
aktenumdef : tenumdef;
|
|
ap : tarraydef;
|
|
s : stringid;
|
|
l,v : TConstExprInt;
|
|
oldaktpackrecords : longint;
|
|
defpos,storepos : tfileposinfo;
|
|
|
|
procedure expr_type;
|
|
var
|
|
pt1,pt2 : tnode;
|
|
lv,hv : TConstExprInt;
|
|
ispecialization : boolean;
|
|
old_block_type : tblock_type;
|
|
begin
|
|
old_block_type:=block_type;
|
|
{ use of current parsed object:
|
|
- classes can be used also in classes
|
|
- objects can be parameters }
|
|
if (token=_ID) and
|
|
assigned(aktobjectdef) and
|
|
(aktobjectdef.objname^=pattern) and
|
|
(
|
|
(testcurobject=2) or
|
|
is_class_or_interface(aktobjectdef)
|
|
)then
|
|
begin
|
|
consume(_ID);
|
|
tt.setdef(aktobjectdef);
|
|
exit;
|
|
end;
|
|
{ Generate a specialization? }
|
|
if try_to_consume(_SPECIALIZE) then
|
|
block_type:=bt_specialize;
|
|
{ we can't accept a equal in type }
|
|
pt1:=comp_expr(not(ignore_equal));
|
|
if (block_type<>bt_specialize) and
|
|
try_to_consume(_POINTPOINT) then
|
|
begin
|
|
{ get high value of range }
|
|
pt2:=comp_expr(not(ignore_equal));
|
|
{ make both the same type or give an error. This is not
|
|
done when both are integer values, because typecasting
|
|
between -3200..3200 will result in a signed-unsigned
|
|
conflict and give a range check error (PFV) }
|
|
if not(is_integer(pt1.resulttype.def) and is_integer(pt2.resulttype.def)) then
|
|
inserttypeconv(pt1,pt2.resulttype);
|
|
{ both must be evaluated to constants now }
|
|
if (pt1.nodetype=ordconstn) and
|
|
(pt2.nodetype=ordconstn) then
|
|
begin
|
|
lv:=tordconstnode(pt1).value;
|
|
hv:=tordconstnode(pt2).value;
|
|
{ Check bounds }
|
|
if hv<lv then
|
|
Message(parser_e_upper_lower_than_lower)
|
|
else
|
|
begin
|
|
{ All checks passed, create the new def }
|
|
case pt1.resulttype.def.deftype of
|
|
enumdef :
|
|
tt.setdef(tenumdef.create_subrange(tenumdef(pt1.resulttype.def),lv,hv));
|
|
orddef :
|
|
begin
|
|
if is_char(pt1.resulttype.def) then
|
|
tt.setdef(torddef.create(uchar,lv,hv))
|
|
else
|
|
if is_boolean(pt1.resulttype.def) then
|
|
tt.setdef(torddef.create(bool8bit,lv,hv))
|
|
else
|
|
tt.setdef(torddef.create(range_to_basetype(lv,hv),lv,hv));
|
|
end;
|
|
end;
|
|
end;
|
|
end
|
|
else
|
|
Message(sym_e_error_in_type_def);
|
|
pt2.free;
|
|
end
|
|
else
|
|
begin
|
|
{ a simple type renaming or generic specialization }
|
|
if (pt1.nodetype=typen) then
|
|
begin
|
|
if (block_type=bt_specialize) then
|
|
generate_specialization(pt1,name);
|
|
tt:=ttypenode(pt1).resulttype;
|
|
end
|
|
else
|
|
Message(sym_e_error_in_type_def);
|
|
end;
|
|
pt1.free;
|
|
block_type:=old_block_type;
|
|
end;
|
|
|
|
procedure array_dec;
|
|
var
|
|
lowval,
|
|
highval : aint;
|
|
arraytype : ttype;
|
|
ht : ttype;
|
|
|
|
procedure setdefdecl(const t:ttype);
|
|
begin
|
|
case t.def.deftype of
|
|
enumdef :
|
|
begin
|
|
lowval:=tenumdef(t.def).min;
|
|
highval:=tenumdef(t.def).max;
|
|
if (m_fpc in aktmodeswitches) and
|
|
(tenumdef(t.def).has_jumps) then
|
|
Message(type_e_array_index_enums_with_assign_not_possible);
|
|
arraytype:=t;
|
|
end;
|
|
orddef :
|
|
begin
|
|
if torddef(t.def).typ in [uchar,
|
|
u8bit,u16bit,
|
|
s8bit,s16bit,s32bit,
|
|
{$ifdef cpu64bit}
|
|
u32bit,s64bit,
|
|
{$endif cpu64bit}
|
|
bool8bit,bool16bit,bool32bit,
|
|
uwidechar] then
|
|
begin
|
|
lowval:=torddef(t.def).low;
|
|
highval:=torddef(t.def).high;
|
|
arraytype:=t;
|
|
end
|
|
else
|
|
Message1(parser_e_type_cant_be_used_in_array_index,t.def.gettypename);
|
|
end;
|
|
else
|
|
Message(sym_e_error_in_type_def);
|
|
end;
|
|
end;
|
|
|
|
begin
|
|
consume(_ARRAY);
|
|
{ open array? }
|
|
if token=_LECKKLAMMER then
|
|
begin
|
|
consume(_LECKKLAMMER);
|
|
{ defaults }
|
|
arraytype:=generrortype;
|
|
lowval:=low(aint);
|
|
highval:=high(aint);
|
|
tt.reset;
|
|
repeat
|
|
{ read the expression and check it, check apart if the
|
|
declaration is an enum declaration because that needs to
|
|
be parsed by readtype (PFV) }
|
|
if token=_LKLAMMER then
|
|
begin
|
|
read_anon_type(ht,true);
|
|
setdefdecl(ht);
|
|
end
|
|
else
|
|
begin
|
|
pt:=expr;
|
|
if pt.nodetype=typen then
|
|
setdefdecl(pt.resulttype)
|
|
else
|
|
begin
|
|
if (pt.nodetype=rangen) then
|
|
begin
|
|
if (trangenode(pt).left.nodetype=ordconstn) and
|
|
(trangenode(pt).right.nodetype=ordconstn) then
|
|
begin
|
|
{ make both the same type or give an error. This is not
|
|
done when both are integer values, because typecasting
|
|
between -3200..3200 will result in a signed-unsigned
|
|
conflict and give a range check error (PFV) }
|
|
if not(is_integer(trangenode(pt).left.resulttype.def) and is_integer(trangenode(pt).left.resulttype.def)) then
|
|
inserttypeconv(trangenode(pt).left,trangenode(pt).right.resulttype);
|
|
lowval:=tordconstnode(trangenode(pt).left).value;
|
|
highval:=tordconstnode(trangenode(pt).right).value;
|
|
if highval<lowval then
|
|
begin
|
|
Message(parser_e_array_lower_less_than_upper_bound);
|
|
highval:=lowval;
|
|
end;
|
|
if is_integer(trangenode(pt).left.resulttype.def) then
|
|
range_to_type(lowval,highval,arraytype)
|
|
else
|
|
arraytype:=trangenode(pt).left.resulttype;
|
|
end
|
|
else
|
|
Message(type_e_cant_eval_constant_expr);
|
|
end
|
|
else
|
|
Message(sym_e_error_in_type_def)
|
|
end;
|
|
pt.free;
|
|
end;
|
|
|
|
{ create arraydef }
|
|
if not assigned(tt.def) then
|
|
begin
|
|
ap:=tarraydef.create(lowval,highval,arraytype);
|
|
tt.setdef(ap);
|
|
end
|
|
else
|
|
begin
|
|
ap.elementtype.setdef(tarraydef.create(lowval,highval,arraytype));
|
|
ap:=tarraydef(ap.elementtype.def);
|
|
end;
|
|
|
|
if token=_COMMA then
|
|
consume(_COMMA)
|
|
else
|
|
break;
|
|
until false;
|
|
consume(_RECKKLAMMER);
|
|
end
|
|
else
|
|
begin
|
|
ap:=tarraydef.create(0,-1,s32inttype);
|
|
include(ap.arrayoptions,ado_IsDynamicArray);
|
|
tt.setdef(ap);
|
|
end;
|
|
consume(_OF);
|
|
read_anon_type(tt2,true);
|
|
{ if no error, set element type }
|
|
if assigned(ap) then
|
|
ap.setelementtype(tt2);
|
|
end;
|
|
|
|
var
|
|
p : tnode;
|
|
pd : tabstractprocdef;
|
|
is_func,
|
|
enumdupmsg : boolean;
|
|
newtype : ttypesym;
|
|
oldlocalswitches : tlocalswitches;
|
|
begin
|
|
tt.reset;
|
|
case token of
|
|
_STRING,_FILE:
|
|
begin
|
|
single_type(tt,false);
|
|
end;
|
|
_LKLAMMER:
|
|
begin
|
|
consume(_LKLAMMER);
|
|
{ allow negativ value_str }
|
|
l:=-1;
|
|
enumdupmsg:=false;
|
|
aktenumdef:=tenumdef.create;
|
|
repeat
|
|
s:=orgpattern;
|
|
defpos:=akttokenpos;
|
|
consume(_ID);
|
|
{ only allow assigning of specific numbers under fpc mode }
|
|
if not(m_tp7 in aktmodeswitches) and
|
|
(
|
|
{ in fpc mode also allow := to be compatible
|
|
with previous 1.0.x versions }
|
|
((m_fpc in aktmodeswitches) and
|
|
try_to_consume(_ASSIGNMENT)) or
|
|
try_to_consume(_EQUAL)
|
|
) then
|
|
begin
|
|
oldlocalswitches:=aktlocalswitches;
|
|
include(aktlocalswitches,cs_allow_enum_calc);
|
|
p:=comp_expr(true);
|
|
aktlocalswitches:=oldlocalswitches;
|
|
if (p.nodetype=ordconstn) then
|
|
begin
|
|
{ we expect an integer or an enum of the
|
|
same type }
|
|
if is_integer(p.resulttype.def) or
|
|
is_char(p.resulttype.def) or
|
|
equal_defs(p.resulttype.def,aktenumdef) then
|
|
v:=tordconstnode(p).value
|
|
else
|
|
IncompatibleTypes(p.resulttype.def,s32inttype.def);
|
|
end
|
|
else
|
|
Message(parser_e_illegal_expression);
|
|
p.free;
|
|
{ please leave that a note, allows type save }
|
|
{ declarations in the win32 units ! }
|
|
if (v<=l) and (not enumdupmsg) then
|
|
begin
|
|
Message(parser_n_duplicate_enum);
|
|
enumdupmsg:=true;
|
|
end;
|
|
l:=v;
|
|
end
|
|
else
|
|
inc(l);
|
|
storepos:=akttokenpos;
|
|
akttokenpos:=defpos;
|
|
tstoredsymtable(aktenumdef.owner).insert(tenumsym.create(s,aktenumdef,l));
|
|
akttokenpos:=storepos;
|
|
until not try_to_consume(_COMMA);
|
|
tt.setdef(aktenumdef);
|
|
consume(_RKLAMMER);
|
|
end;
|
|
_ARRAY:
|
|
begin
|
|
array_dec;
|
|
end;
|
|
_SET:
|
|
begin
|
|
consume(_SET);
|
|
consume(_OF);
|
|
read_anon_type(tt2,true);
|
|
if assigned(tt2.def) then
|
|
begin
|
|
case tt2.def.deftype of
|
|
{ don't forget that min can be negativ PM }
|
|
enumdef :
|
|
if tenumdef(tt2.def).min>=0 then
|
|
// !! tt.setdef(tsetdef.create(tt2,tenumdef(tt2.def).min,tenumdef(tt2.def).max))
|
|
tt.setdef(tsetdef.create(tt2,tenumdef(tt2.def).max))
|
|
else
|
|
Message(sym_e_ill_type_decl_set);
|
|
orddef :
|
|
begin
|
|
if (torddef(tt2.def).typ<>uvoid) and
|
|
(torddef(tt2.def).low>=0) then
|
|
// !! tt.setdef(tsetdef.create(tt2,torddef(tt2.def).low,torddef(tt2.def).high))
|
|
tt.setdef(tsetdef.create(tt2,torddef(tt2.def).high))
|
|
else
|
|
Message(sym_e_ill_type_decl_set);
|
|
end;
|
|
else
|
|
Message(sym_e_ill_type_decl_set);
|
|
end;
|
|
end
|
|
else
|
|
tt:=generrortype;
|
|
end;
|
|
_CARET:
|
|
begin
|
|
consume(_CARET);
|
|
single_type(tt2,typecanbeforward);
|
|
tt.setdef(tpointerdef.create(tt2));
|
|
end;
|
|
_RECORD:
|
|
begin
|
|
tt.setdef(record_dec);
|
|
end;
|
|
_PACKED:
|
|
begin
|
|
consume(_PACKED);
|
|
if token=_ARRAY then
|
|
array_dec
|
|
else
|
|
begin
|
|
oldaktpackrecords:=aktpackrecords;
|
|
aktpackrecords:=1;
|
|
if token in [_CLASS,_OBJECT] then
|
|
tt.setdef(object_dec(name,genericdef,genericlist,nil))
|
|
else
|
|
tt.setdef(record_dec);
|
|
aktpackrecords:=oldaktpackrecords;
|
|
end;
|
|
end;
|
|
_DISPINTERFACE,
|
|
_CLASS,
|
|
_CPPCLASS,
|
|
_INTERFACE,
|
|
_OBJECT:
|
|
begin
|
|
tt.setdef(object_dec(name,genericdef,genericlist,nil));
|
|
end;
|
|
_PROCEDURE,
|
|
_FUNCTION:
|
|
begin
|
|
is_func:=(token=_FUNCTION);
|
|
consume(token);
|
|
pd:=tprocvardef.create(normal_function_level);
|
|
if token=_LKLAMMER then
|
|
parse_parameter_dec(pd);
|
|
if is_func then
|
|
begin
|
|
consume(_COLON);
|
|
single_type(pd.rettype,false);
|
|
end;
|
|
if token=_OF then
|
|
begin
|
|
consume(_OF);
|
|
consume(_OBJECT);
|
|
include(pd.procoptions,po_methodpointer);
|
|
end;
|
|
tt.def:=pd;
|
|
{ possible proc directives }
|
|
if parseprocvardir then
|
|
begin
|
|
if check_proc_directive(true) then
|
|
begin
|
|
newtype:=ttypesym.create('unnamed',tt);
|
|
parse_var_proc_directives(tsym(newtype));
|
|
newtype.restype.def:=nil;
|
|
tt.def.typesym:=nil;
|
|
newtype.free;
|
|
end;
|
|
{ Add implicit hidden parameters and function result }
|
|
handle_calling_convention(pd);
|
|
end;
|
|
end;
|
|
else
|
|
expr_type;
|
|
end;
|
|
if tt.def=nil then
|
|
tt:=generrortype;
|
|
end;
|
|
|
|
|
|
procedure read_anon_type(var tt : ttype;parseprocvardir:boolean);
|
|
begin
|
|
read_named_type(tt,'',nil,nil,parseprocvardir);
|
|
end;
|
|
|
|
|
|
end.
|