mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-10-31 13:31:40 +01:00
702 lines
25 KiB
ObjectPascal
702 lines
25 KiB
ObjectPascal
{
|
|
Copyright (c) 1998-2002 by Florian Klaempfl
|
|
|
|
Does declaration (but not type) parsing 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 pdecl;
|
|
|
|
{$i fpcdefs.inc}
|
|
|
|
interface
|
|
|
|
uses
|
|
{ global }
|
|
globals,
|
|
{ symtable }
|
|
symsym,
|
|
{ pass_1 }
|
|
node;
|
|
|
|
function readconstant(const orgname:string;const filepos:tfileposinfo):tconstsym;
|
|
|
|
procedure const_dec;
|
|
procedure label_dec;
|
|
procedure type_dec;
|
|
procedure types_dec;
|
|
procedure var_dec;
|
|
procedure threadvar_dec;
|
|
procedure property_dec;
|
|
procedure resourcestring_dec;
|
|
|
|
implementation
|
|
|
|
uses
|
|
{ common }
|
|
cutils,cclasses,
|
|
{ global }
|
|
globtype,tokens,verbose,widestr,
|
|
systems,
|
|
{ aasm }
|
|
aasmbase,aasmtai,aasmdata,fmodule,
|
|
{ symtable }
|
|
symconst,symbase,symtype,symdef,symtable,paramgr,defutil,
|
|
{ pass 1 }
|
|
nmat,nadd,ncal,nset,ncnv,ninl,ncon,nld,nflw,nobj,
|
|
{ codegen }
|
|
ncgutil,
|
|
{ parser }
|
|
scanner,
|
|
pbase,pexpr,ptype,ptconst,pdecsub,pdecvar,pdecobj,
|
|
{ cpu-information }
|
|
cpuinfo
|
|
;
|
|
|
|
|
|
function readconstant(const orgname:string;const filepos:tfileposinfo):tconstsym;
|
|
var
|
|
hp : tconstsym;
|
|
p : tnode;
|
|
ps : pconstset;
|
|
pd : pbestreal;
|
|
pg : pguid;
|
|
sp : pchar;
|
|
pw : pcompilerwidestring;
|
|
storetokenpos : tfileposinfo;
|
|
begin
|
|
readconstant:=nil;
|
|
if orgname='' then
|
|
internalerror(9584582);
|
|
hp:=nil;
|
|
p:=comp_expr(true);
|
|
storetokenpos:=current_tokenpos;
|
|
current_tokenpos:=filepos;
|
|
case p.nodetype of
|
|
ordconstn:
|
|
begin
|
|
if p.resultdef.typ=pointerdef then
|
|
hp:=tconstsym.create_ordptr(orgname,constpointer,tordconstnode(p).value,p.resultdef)
|
|
else
|
|
hp:=tconstsym.create_ord(orgname,constord,tordconstnode(p).value,p.resultdef);
|
|
end;
|
|
stringconstn:
|
|
begin
|
|
if is_widestring(p.resultdef) then
|
|
begin
|
|
initwidestring(pw);
|
|
copywidestring(pcompilerwidestring(tstringconstnode(p).value_str),pw);
|
|
hp:=tconstsym.create_wstring(orgname,constwstring,pw);
|
|
end
|
|
else
|
|
begin
|
|
getmem(sp,tstringconstnode(p).len+1);
|
|
move(tstringconstnode(p).value_str^,sp^,tstringconstnode(p).len+1);
|
|
hp:=tconstsym.create_string(orgname,conststring,sp,tstringconstnode(p).len);
|
|
end;
|
|
end;
|
|
realconstn :
|
|
begin
|
|
new(pd);
|
|
pd^:=trealconstnode(p).value_real;
|
|
hp:=tconstsym.create_ptr(orgname,constreal,pd,p.resultdef);
|
|
end;
|
|
setconstn :
|
|
begin
|
|
new(ps);
|
|
ps^:=tsetconstnode(p).value_set^;
|
|
hp:=tconstsym.create_ptr(orgname,constset,ps,p.resultdef);
|
|
end;
|
|
pointerconstn :
|
|
begin
|
|
hp:=tconstsym.create_ordptr(orgname,constpointer,tpointerconstnode(p).value,p.resultdef);
|
|
end;
|
|
niln :
|
|
begin
|
|
hp:=tconstsym.create_ord(orgname,constnil,0,p.resultdef);
|
|
end;
|
|
typen :
|
|
begin
|
|
if is_interface(p.resultdef) then
|
|
begin
|
|
if assigned(tobjectdef(p.resultdef).iidguid) then
|
|
begin
|
|
new(pg);
|
|
pg^:=tobjectdef(p.resultdef).iidguid^;
|
|
hp:=tconstsym.create_ptr(orgname,constguid,pg,p.resultdef);
|
|
end
|
|
else
|
|
Message1(parser_e_interface_has_no_guid,tobjectdef(p.resultdef).objrealname^);
|
|
end
|
|
else
|
|
Message(parser_e_illegal_expression);
|
|
end;
|
|
else
|
|
Message(parser_e_illegal_expression);
|
|
end;
|
|
current_tokenpos:=storetokenpos;
|
|
p.free;
|
|
readconstant:=hp;
|
|
end;
|
|
|
|
|
|
procedure const_dec;
|
|
var
|
|
orgname : TIDString;
|
|
hdef : tdef;
|
|
sym : tsym;
|
|
dummysymoptions : tsymoptions;
|
|
storetokenpos,filepos : tfileposinfo;
|
|
old_block_type : tblock_type;
|
|
skipequal : boolean;
|
|
tclist : tasmlist;
|
|
varspez : tvarspez;
|
|
begin
|
|
consume(_CONST);
|
|
old_block_type:=block_type;
|
|
block_type:=bt_const;
|
|
repeat
|
|
orgname:=orgpattern;
|
|
filepos:=current_tokenpos;
|
|
consume(_ID);
|
|
case token of
|
|
|
|
_EQUAL:
|
|
begin
|
|
consume(_EQUAL);
|
|
sym:=readconstant(orgname,filepos);
|
|
{ Support hint directives }
|
|
dummysymoptions:=[];
|
|
try_consume_hintdirective(dummysymoptions);
|
|
if assigned(sym) then
|
|
begin
|
|
sym.symoptions:=sym.symoptions+dummysymoptions;
|
|
symtablestack.top.insert(sym);
|
|
end;
|
|
consume(_SEMICOLON);
|
|
end;
|
|
|
|
_COLON:
|
|
begin
|
|
{ set the blocktype first so a consume also supports a
|
|
caret, to support const s : ^string = nil }
|
|
block_type:=bt_type;
|
|
consume(_COLON);
|
|
read_anon_type(hdef,false);
|
|
block_type:=bt_const;
|
|
skipequal:=false;
|
|
{ create symbol }
|
|
storetokenpos:=current_tokenpos;
|
|
current_tokenpos:=filepos;
|
|
if not (cs_typed_const_writable in current_settings.localswitches) then
|
|
varspez:=vs_const
|
|
else
|
|
varspez:=vs_value;
|
|
sym:=tstaticvarsym.create(orgname,varspez,hdef,[]);
|
|
current_tokenpos:=storetokenpos;
|
|
symtablestack.top.insert(sym);
|
|
{ procvar can have proc directives, but not type references }
|
|
if (hdef.typ=procvardef) and
|
|
(hdef.typesym=nil) then
|
|
begin
|
|
{ support p : procedure;stdcall=nil; }
|
|
if try_to_consume(_SEMICOLON) then
|
|
begin
|
|
if check_proc_directive(true) then
|
|
parse_var_proc_directives(sym)
|
|
else
|
|
begin
|
|
Message(parser_e_proc_directive_expected);
|
|
skipequal:=true;
|
|
end;
|
|
end
|
|
else
|
|
{ support p : procedure stdcall=nil; }
|
|
begin
|
|
if check_proc_directive(true) then
|
|
parse_var_proc_directives(sym);
|
|
end;
|
|
{ add default calling convention }
|
|
handle_calling_convention(tabstractprocdef(hdef));
|
|
end;
|
|
if not skipequal then
|
|
begin
|
|
{ get init value }
|
|
consume(_EQUAL);
|
|
if (cs_typed_const_writable in current_settings.localswitches) then
|
|
tclist:=current_asmdata.asmlists[al_rotypedconsts]
|
|
else
|
|
tclist:=current_asmdata.asmlists[al_typedconsts];
|
|
read_typed_const(tclist,tstaticvarsym(sym));
|
|
consume(_SEMICOLON);
|
|
end;
|
|
end;
|
|
|
|
else
|
|
{ generate an error }
|
|
consume(_EQUAL);
|
|
end;
|
|
until token<>_ID;
|
|
block_type:=old_block_type;
|
|
end;
|
|
|
|
|
|
procedure label_dec;
|
|
begin
|
|
consume(_LABEL);
|
|
if not(cs_support_goto in current_settings.moduleswitches) then
|
|
Message(sym_e_goto_and_label_not_supported);
|
|
repeat
|
|
if not(token in [_ID,_INTCONST]) then
|
|
consume(_ID)
|
|
else
|
|
begin
|
|
if token=_ID then
|
|
symtablestack.top.insert(tlabelsym.create(orgpattern))
|
|
else
|
|
symtablestack.top.insert(tlabelsym.create(pattern));
|
|
consume(token);
|
|
end;
|
|
if token<>_SEMICOLON then consume(_COMMA);
|
|
until not(token in [_ID,_INTCONST]);
|
|
consume(_SEMICOLON);
|
|
end;
|
|
|
|
|
|
{ search in symtablestack used, but not defined type }
|
|
procedure resolve_type_forward(p:TObject;arg:pointer);
|
|
var
|
|
hpd,pd : tdef;
|
|
stpos : tfileposinfo;
|
|
again : boolean;
|
|
srsym : tsym;
|
|
srsymtable : TSymtable;
|
|
|
|
begin
|
|
{ Check only typesyms or record/object fields }
|
|
case tsym(p).typ of
|
|
typesym :
|
|
pd:=ttypesym(p).typedef;
|
|
fieldvarsym :
|
|
pd:=tfieldvarsym(p).vardef
|
|
else
|
|
exit;
|
|
end;
|
|
repeat
|
|
again:=false;
|
|
case pd.typ of
|
|
arraydef :
|
|
begin
|
|
{ elementdef could also be defined using a forwarddef }
|
|
pd:=tarraydef(pd).elementdef;
|
|
again:=true;
|
|
end;
|
|
pointerdef,
|
|
classrefdef :
|
|
begin
|
|
{ classrefdef inherits from pointerdef }
|
|
hpd:=tabstractpointerdef(pd).pointeddef;
|
|
{ still a forward def ? }
|
|
if hpd.typ=forwarddef then
|
|
begin
|
|
{ try to resolve the forward }
|
|
{ get the correct position for it }
|
|
stpos:=current_tokenpos;
|
|
current_tokenpos:=tforwarddef(hpd).forwardpos;
|
|
resolving_forward:=true;
|
|
if not assigned(tforwarddef(hpd).tosymname) then
|
|
internalerror(20021120);
|
|
searchsym(tforwarddef(hpd).tosymname^,srsym,srsymtable);
|
|
resolving_forward:=false;
|
|
current_tokenpos:=stpos;
|
|
{ we don't need the forwarddef anymore, dispose it }
|
|
hpd.free;
|
|
tabstractpointerdef(pd).pointeddef:=nil; { if error occurs }
|
|
{ was a type sym found ? }
|
|
if assigned(srsym) and
|
|
(srsym.typ=typesym) then
|
|
begin
|
|
tabstractpointerdef(pd).pointeddef:=ttypesym(srsym).typedef;
|
|
{ avoid wrong unused warnings web bug 801 PM }
|
|
inc(ttypesym(srsym).refs);
|
|
{ we need a class type for classrefdef }
|
|
if (pd.typ=classrefdef) and
|
|
not(is_class(ttypesym(srsym).typedef)) then
|
|
Message1(type_e_class_type_expected,ttypesym(srsym).typedef.typename);
|
|
end
|
|
else
|
|
begin
|
|
MessagePos1(tsym(p).fileinfo,sym_e_forward_type_not_resolved,tsym(p).realname);
|
|
{ try to recover }
|
|
tabstractpointerdef(pd).pointeddef:=generrordef;
|
|
end;
|
|
end;
|
|
end;
|
|
recorddef :
|
|
trecorddef(pd).symtable.SymList.ForEachCall(@resolve_type_forward,nil);
|
|
objectdef :
|
|
begin
|
|
if not(m_fpc in current_settings.modeswitches) and
|
|
(oo_is_forward in tobjectdef(pd).objectoptions) then
|
|
begin
|
|
{ only give an error as the implementation may follow in an
|
|
other type block which is allowed by FPC modes }
|
|
MessagePos1(tsym(p).fileinfo,sym_e_forward_type_not_resolved,tsym(p).realname);
|
|
end
|
|
else
|
|
begin
|
|
{ Check all fields of the object declaration, but don't
|
|
check objectdefs in objects/records, because these
|
|
can't exist (anonymous objects aren't allowed) }
|
|
if not(tsym(p).owner.symtabletype in [ObjectSymtable,recordsymtable]) then
|
|
tobjectdef(pd).symtable.SymList.ForEachCall(@resolve_type_forward,nil);
|
|
end;
|
|
end;
|
|
end;
|
|
until not again;
|
|
end;
|
|
|
|
|
|
procedure types_dec;
|
|
|
|
function parse_generic_parameters:TFPObjectList;
|
|
var
|
|
generictype : ttypesym;
|
|
begin
|
|
result:=TFPObjectList.Create(false);
|
|
repeat
|
|
if token=_ID then
|
|
begin
|
|
generictype:=ttypesym.create(orgpattern,cundefinedtype);
|
|
result.add(generictype);
|
|
end;
|
|
consume(_ID);
|
|
until not try_to_consume(_COMMA) ;
|
|
end;
|
|
|
|
var
|
|
typename,orgtypename : TIDString;
|
|
newtype : ttypesym;
|
|
sym : tsym;
|
|
srsymtable : TSymtable;
|
|
hdef : tdef;
|
|
oldfilepos,
|
|
defpos,storetokenpos : tfileposinfo;
|
|
old_block_type : tblock_type;
|
|
isgeneric,
|
|
isunique,
|
|
istyperenaming : boolean;
|
|
generictypelist : TFPObjectList;
|
|
generictokenbuf : tdynamicarray;
|
|
vmtbuilder : TVMTBuilder;
|
|
begin
|
|
old_block_type:=block_type;
|
|
block_type:=bt_type;
|
|
typecanbeforward:=true;
|
|
repeat
|
|
defpos:=current_tokenpos;
|
|
istyperenaming:=false;
|
|
generictypelist:=nil;
|
|
generictokenbuf:=nil;
|
|
|
|
{ generic declaration? }
|
|
isgeneric:=try_to_consume(_GENERIC);
|
|
|
|
typename:=pattern;
|
|
orgtypename:=orgpattern;
|
|
consume(_ID);
|
|
|
|
{ Generic type declaration? }
|
|
if isgeneric then
|
|
begin
|
|
consume(_LSHARPBRACKET);
|
|
generictypelist:=parse_generic_parameters;
|
|
consume(_RSHARPBRACKET);
|
|
end;
|
|
|
|
consume(_EQUAL);
|
|
|
|
{ support 'ttype=type word' syntax }
|
|
isunique:=try_to_consume(_TYPE);
|
|
|
|
{ MacPas object model is more like Delphi's than like TP's, but }
|
|
{ uses the object keyword instead of class }
|
|
if (m_mac in current_settings.modeswitches) and
|
|
(token = _OBJECT) then
|
|
token := _CLASS;
|
|
|
|
{ Start recording a generic template }
|
|
if assigned(generictypelist) then
|
|
begin
|
|
generictokenbuf:=tdynamicarray.create(256);
|
|
current_scanner.startrecordtokens(generictokenbuf);
|
|
end;
|
|
|
|
{ is the type already defined? }
|
|
searchsym(typename,sym,srsymtable);
|
|
newtype:=nil;
|
|
{ found a symbol with this name? }
|
|
if assigned(sym) then
|
|
begin
|
|
if (sym.typ=typesym) then
|
|
begin
|
|
if ((token=_CLASS) or
|
|
(token=_INTERFACE) or
|
|
(token=_DISPINTERFACE)) and
|
|
(assigned(ttypesym(sym).typedef)) and
|
|
is_class_or_interface_or_dispinterface(ttypesym(sym).typedef) and
|
|
(oo_is_forward in tobjectdef(ttypesym(sym).typedef).objectoptions) then
|
|
begin
|
|
{ we can ignore the result }
|
|
{ the definition is modified }
|
|
object_dec(orgtypename,nil,nil,tobjectdef(ttypesym(sym).typedef));
|
|
newtype:=ttypesym(sym);
|
|
hdef:=newtype.typedef;
|
|
end
|
|
else
|
|
message1(parser_h_type_redef,orgtypename);
|
|
end;
|
|
end;
|
|
{ no old type reused ? Then insert this new type }
|
|
if not assigned(newtype) then
|
|
begin
|
|
{ insert the new type first with an errordef, so that
|
|
referencing the type before it's really set it
|
|
will give an error (PFV) }
|
|
hdef:=generrordef;
|
|
storetokenpos:=current_tokenpos;
|
|
newtype:=ttypesym.create(orgtypename,hdef);
|
|
symtablestack.top.insert(newtype);
|
|
current_tokenpos:=defpos;
|
|
current_tokenpos:=storetokenpos;
|
|
{ read the type definition }
|
|
read_named_type(hdef,orgtypename,nil,generictypelist,false);
|
|
{ update the definition of the type }
|
|
if assigned(hdef) then
|
|
begin
|
|
if assigned(hdef.typesym) then
|
|
istyperenaming:=true;
|
|
if isunique then
|
|
begin
|
|
hdef:=tstoreddef(hdef).getcopy;
|
|
|
|
{ fix name, it is used e.g. for tables }
|
|
if is_class_or_interface_or_dispinterface(hdef) then
|
|
with tobjectdef(hdef) do
|
|
begin
|
|
stringdispose(objname);
|
|
stringdispose(objrealname);
|
|
objrealname:=stringdup(orgtypename);
|
|
objname:=stringdup(upper(orgtypename));
|
|
end;
|
|
|
|
include(hdef.defoptions,df_unique);
|
|
end;
|
|
if not assigned(hdef.typesym) then
|
|
hdef.typesym:=newtype;
|
|
end;
|
|
newtype.typedef:=hdef;
|
|
{ KAZ: handle TGUID declaration in system unit }
|
|
if (cs_compilesystem in current_settings.moduleswitches) and not assigned(rec_tguid) and
|
|
(typename='TGUID') and { name: TGUID and size=16 bytes that is 128 bits }
|
|
assigned(hdef) and (hdef.typ=recorddef) and (hdef.size=16) then
|
|
rec_tguid:=trecorddef(hdef);
|
|
end;
|
|
if assigned(hdef) then
|
|
begin
|
|
case hdef.typ of
|
|
pointerdef :
|
|
begin
|
|
consume(_SEMICOLON);
|
|
if try_to_consume(_FAR) then
|
|
begin
|
|
tpointerdef(hdef).is_far:=true;
|
|
consume(_SEMICOLON);
|
|
end;
|
|
end;
|
|
procvardef :
|
|
begin
|
|
{ in case of type renaming, don't parse proc directives }
|
|
if istyperenaming then
|
|
consume(_SEMICOLON)
|
|
else
|
|
begin
|
|
if not check_proc_directive(true) then
|
|
consume(_SEMICOLON);
|
|
parse_var_proc_directives(tsym(newtype));
|
|
handle_calling_convention(tprocvardef(hdef));
|
|
end;
|
|
end;
|
|
objectdef :
|
|
begin
|
|
{ Build VMT indexes, skip for type renaming and forward classes }
|
|
if (hdef.typesym=newtype) and
|
|
not(oo_is_forward in tobjectdef(hdef).objectoptions) and
|
|
not(df_generic in hdef.defoptions) then
|
|
begin
|
|
vmtbuilder:=TVMTBuilder.Create(tobjectdef(hdef));
|
|
vmtbuilder.generate_vmt;
|
|
vmtbuilder.free;
|
|
end;
|
|
try_consume_hintdirective(newtype.symoptions);
|
|
consume(_SEMICOLON);
|
|
end;
|
|
recorddef :
|
|
begin
|
|
try_consume_hintdirective(newtype.symoptions);
|
|
consume(_SEMICOLON);
|
|
end;
|
|
else
|
|
consume(_SEMICOLON);
|
|
end;
|
|
end;
|
|
|
|
if isgeneric and not(hdef.typ in [objectdef,recorddef]) then
|
|
message(parser_e_cant_create_generics_of_this_type);
|
|
|
|
{ Stop recording a generic template }
|
|
if assigned(generictypelist) then
|
|
begin
|
|
current_scanner.stoprecordtokens;
|
|
tstoreddef(hdef).generictokenbuf:=generictokenbuf;
|
|
{ Generic is never a type renaming }
|
|
hdef.typesym:=newtype;
|
|
end;
|
|
until token<>_ID;
|
|
typecanbeforward:=false;
|
|
symtablestack.top.SymList.ForEachCall(@resolve_type_forward,nil);
|
|
if assigned(generictypelist) then
|
|
generictypelist.free;
|
|
block_type:=old_block_type;
|
|
end;
|
|
|
|
|
|
{ reads a type declaration to the symbol table }
|
|
procedure type_dec;
|
|
begin
|
|
consume(_TYPE);
|
|
types_dec;
|
|
end;
|
|
|
|
|
|
procedure var_dec;
|
|
{ parses variable declarations and inserts them in }
|
|
{ the top symbol table of symtablestack }
|
|
begin
|
|
consume(_VAR);
|
|
read_var_decls([]);
|
|
end;
|
|
|
|
|
|
procedure property_dec;
|
|
var
|
|
old_block_type : tblock_type;
|
|
begin
|
|
consume(_PROPERTY);
|
|
if not(symtablestack.top.symtabletype in [staticsymtable,globalsymtable]) then
|
|
message(parser_e_resourcestring_only_sg);
|
|
old_block_type:=block_type;
|
|
block_type:=bt_const;
|
|
repeat
|
|
read_property_dec(nil);
|
|
consume(_SEMICOLON);
|
|
until token<>_ID;
|
|
block_type:=old_block_type;
|
|
end;
|
|
|
|
|
|
procedure threadvar_dec;
|
|
{ parses thread variable declarations and inserts them in }
|
|
{ the top symbol table of symtablestack }
|
|
begin
|
|
consume(_THREADVAR);
|
|
if not(symtablestack.top.symtabletype in [staticsymtable,globalsymtable]) then
|
|
message(parser_e_threadvars_only_sg);
|
|
read_var_decls([vd_threadvar]);
|
|
end;
|
|
|
|
|
|
procedure resourcestring_dec;
|
|
var
|
|
orgname : TIDString;
|
|
p : tnode;
|
|
dummysymoptions : tsymoptions;
|
|
storetokenpos,filepos : tfileposinfo;
|
|
old_block_type : tblock_type;
|
|
sp : pchar;
|
|
sym : tsym;
|
|
begin
|
|
consume(_RESOURCESTRING);
|
|
if not(symtablestack.top.symtabletype in [staticsymtable,globalsymtable]) then
|
|
message(parser_e_resourcestring_only_sg);
|
|
old_block_type:=block_type;
|
|
block_type:=bt_const;
|
|
repeat
|
|
orgname:=orgpattern;
|
|
filepos:=current_tokenpos;
|
|
consume(_ID);
|
|
case token of
|
|
_EQUAL:
|
|
begin
|
|
consume(_EQUAL);
|
|
p:=comp_expr(true);
|
|
storetokenpos:=current_tokenpos;
|
|
current_tokenpos:=filepos;
|
|
sym:=nil;
|
|
case p.nodetype of
|
|
ordconstn:
|
|
begin
|
|
if is_constcharnode(p) then
|
|
begin
|
|
getmem(sp,2);
|
|
sp[0]:=chr(tordconstnode(p).value);
|
|
sp[1]:=#0;
|
|
sym:=tconstsym.create_string(orgname,constresourcestring,sp,1);
|
|
end
|
|
else
|
|
Message(parser_e_illegal_expression);
|
|
end;
|
|
stringconstn:
|
|
with Tstringconstnode(p) do
|
|
begin
|
|
getmem(sp,len+1);
|
|
move(value_str^,sp^,len+1);
|
|
sym:=tconstsym.create_string(orgname,constresourcestring,sp,len);
|
|
end;
|
|
else
|
|
Message(parser_e_illegal_expression);
|
|
end;
|
|
current_tokenpos:=storetokenpos;
|
|
{ Support hint directives }
|
|
dummysymoptions:=[];
|
|
try_consume_hintdirective(dummysymoptions);
|
|
if assigned(sym) then
|
|
begin
|
|
sym.symoptions:=sym.symoptions+dummysymoptions;
|
|
symtablestack.top.insert(sym);
|
|
end;
|
|
consume(_SEMICOLON);
|
|
p.free;
|
|
end;
|
|
else consume(_EQUAL);
|
|
end;
|
|
until token<>_ID;
|
|
block_type:=old_block_type;
|
|
end;
|
|
|
|
end.
|