{ Copyright (c) 1998-2007 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; {$i fpcdefs.inc} interface uses node,htypechk,symtype,compinnr; type tinlinenode = class(tunarynode) inlinenumber : tinlinenumber; constructor create(number : tinlinenumber;is_const:boolean;l : tnode);virtual; constructor createintern(number : tinlinenumber;is_const:boolean;l : tnode);virtual; constructor ppuload(t:tnodetype;ppufile:tcompilerppufile);override; procedure ppuwrite(ppufile:tcompilerppufile);override; function dogetcopy : tnode;override; procedure printnodeinfo(var t : text);override; {$ifdef DEBUG_NODE_XML} procedure XMLPrintNodeInfo(var t : text);override; {$endif DEBUG_NODE_XML} function pass_1 : tnode;override; function pass_typecheck:tnode;override; function pass_typecheck_cpu:tnode;virtual; function simplify(forinline : boolean): tnode;override; function docompare(p: tnode): boolean; override; procedure mark_write;override; { returns a node tree where the inc/dec are replaced by add/sub } function getaddsub_for_incdec : tnode; { pack and unpack are changed into for-loops by the compiler } function first_pack_unpack: tnode; virtual; property parameters : tnode read left write left; function may_have_sideeffect_norecurse: boolean; protected { All the following routines currently call compilerprocs, unless they are overridden in which case, the code generator handles them. } function first_pi: tnode ; virtual; function first_arctan_real: tnode; virtual; function first_abs_real: tnode; virtual; function first_sqr_real: tnode; virtual; function first_sqrt_real: tnode; virtual; function first_ln_real: tnode; virtual; function first_cos_real: tnode; virtual; function first_sin_real: tnode; virtual; function first_exp_real: tnode; virtual; function first_frac_real: tnode; virtual; function first_round_real: tnode; virtual; function first_trunc_real: tnode; virtual; function first_int_real: tnode; virtual; function first_abs_long: tnode; virtual; function first_IncDec: tnode; virtual; function first_IncludeExclude: tnode; virtual; function first_get_frame: tnode; virtual; function first_setlength: tnode; virtual; function first_copy: tnode; virtual; { This one by default generates an internal error, because such nodes are not generated by the parser. It's however used internally by the JVM backend to create new dynamic arrays. } function first_new: tnode; virtual; function first_length: tnode; virtual; function first_high: tnode; virtual; function first_box: tnode; virtual; abstract; function first_unbox: tnode; virtual; abstract; function first_assigned: tnode; virtual; function first_assert: tnode; virtual; function first_popcnt: tnode; virtual; function first_bitscan: tnode; virtual; { override these for Seg() support } function typecheck_seg: tnode; virtual; function first_seg: tnode; virtual; function first_sar: tnode; virtual; function first_fma : tnode; virtual; function first_minmax: tnode; virtual; {$if not defined(cpu64bitalu) and not defined(cpuhighleveltarget)} function first_ShiftRot_assign_64bitint: tnode; virtual; {$endif not cpu64bitalu and not cpuhighleveltarget} function first_AndOrXorShiftRot_assign: tnode; virtual; function first_NegNot_assign: tnode; virtual; function first_cpu : tnode; virtual; procedure CheckParameters(count : integer); private function handle_str: tnode; function handle_reset_rewrite_typed: tnode; function handle_text_read_write(filepara,params:Ttertiarynode;var newstatement:Tnode):boolean; function handle_typed_read_write(filepara,params:Ttertiarynode;var newstatement:Tnode):boolean; function handle_read_write: tnode; function handle_val: tnode; function handle_default: tnode; function handle_setlength: tnode; function handle_copy: tnode; function handle_box: tnode; function handle_unbox: tnode; function handle_insert:tnode; function handle_delete:tnode; function handle_concat:tnode; end; tinlinenodeclass = class of tinlinenode; var cinlinenode : tinlinenodeclass = tinlinenode; function geninlinenode(number : tinlinenumber;is_const:boolean;l : tnode) : tinlinenode; implementation uses verbose,globals,systems,constexp, globtype,cutils,cclasses,fmodule, symconst,symdef,symsym,symcpu,symtable,paramgr,defcmp,defutil,symbase, cpuinfo,cpubase, pass_1, ncal,ncon,ncnv,nadd,nld,nbas,nflw,nmem,nmat,nutils, nobjc,objcdef, cgbase,procinfo; function geninlinenode(number : tinlinenumber;is_const:boolean;l : tnode) : tinlinenode; begin geninlinenode:=cinlinenode.create(number,is_const,l); end; {***************************************************************************** TINLINENODE *****************************************************************************} constructor tinlinenode.create(number : tinlinenumber;is_const:boolean;l : tnode); begin inherited create(inlinen,l); if is_const then include(flags,nf_inlineconst); inlinenumber:=number; end; constructor tinlinenode.createintern(number : tinlinenumber; is_const : boolean; l : tnode); begin create(number,is_const,l); include(flags,nf_internal); end; constructor tinlinenode.ppuload(t:tnodetype;ppufile:tcompilerppufile); begin inherited ppuload(t,ppufile); inlinenumber:=tinlinenumber(ppufile.getlongint); end; procedure tinlinenode.ppuwrite(ppufile:tcompilerppufile); begin inherited ppuwrite(ppufile); ppufile.putlongint(longint(inlinenumber)); end; function tinlinenode.dogetcopy : tnode; var n : tinlinenode; begin n:=tinlinenode(inherited dogetcopy); n.inlinenumber:=inlinenumber; result:=n; end; procedure tinlinenode.printnodeinfo(var t : text); begin inherited; write(t,', inlinenumber = ',inlinenumber); end; {$ifdef DEBUG_NODE_XML} procedure TInlineNode.XMLPrintNodeInfo(var T: Text); begin inherited; Write(T, ' inlinenumber="', inlinenumber, '"'); end; {$endif DEBUG_NODE_XML} function get_str_int_func(def: tdef): string; var ordtype: tordtype; begin ordtype := torddef(def).ordtype; if not (ordtype in [scurrency,s64bit,u64bit,s32bit,u32bit,s16bit,u16bit,s8bit,u8bit]) then internalerror(2013032603); if is_oversizedord(def) then begin case ordtype of scurrency, s64bit: exit('int64'); u64bit: exit('qword'); s32bit: exit('longint'); u32bit: exit('longword'); s16bit: exit('smallint'); u16bit: exit('word'); else internalerror(2013032604); end; end else begin if is_nativeuint(def) then exit('uint') else exit('sint'); end; internalerror(2013032605); end; function tinlinenode.handle_str : tnode; var lenpara, fracpara, newparas, tmppara, dest, source : tcallparanode; procname: string; is_real,is_enum : boolean; rt : aint; begin result := cerrornode.create; { get destination string } dest := tcallparanode(left); { get source para (number) } source := dest; while assigned(source.right) do source := tcallparanode(source.right); { destination parameter must be a normal (not a colon) parameter, this check is needed because str(v:len) also has 2 parameters } if (source=dest) or (cpf_is_colon_para in tcallparanode(dest).callparaflags) then begin CGMessage1(parser_e_wrong_parameter_size,'Str'); exit; end; { in case we are in a generic definition, we cannot do all checks, the parameters might be type parameters, bailout as well in case of an error before } if (df_generic in current_procinfo.procdef.defoptions) or (dest.resultdef.typ=errordef) or (source.resultdef.typ=errordef) then begin result.Free; result:=nil; resultdef:=voidtype; exit; end; is_real:=(source.resultdef.typ = floatdef) or is_currency(source.resultdef); is_enum:=source.left.resultdef.typ=enumdef; if ((dest.left.resultdef.typ<>stringdef) and not(is_chararray(dest.left.resultdef))) or not(is_real or is_enum or (source.left.resultdef.typ=orddef)) then begin CGMessagePos(fileinfo,parser_e_illegal_expression); exit; end; { get len/frac parameters } lenpara := nil; fracpara := nil; if (cpf_is_colon_para in tcallparanode(dest.right).callparaflags) then begin lenpara := tcallparanode(dest.right); { we can let the callnode do the type checking of these parameters too, } { but then the error messages aren't as nice } if not is_integer(lenpara.resultdef) then begin CGMessagePos1(lenpara.fileinfo, type_e_integer_expr_expected,lenpara.resultdef.typename); exit; end; if (cpf_is_colon_para in tcallparanode(lenpara.right).callparaflags) then begin { parameters are in reverse order! } fracpara := lenpara; lenpara := tcallparanode(lenpara.right); if not is_real then begin CGMessagePos(lenpara.fileinfo,parser_e_illegal_colon_qualifier); exit end; if not is_integer(lenpara.resultdef) then begin CGMessagePos1(lenpara.fileinfo, type_e_integer_expr_expected,lenpara.resultdef.typename); exit; end; end; end; { generate the parameter list for the compilerproc } newparas := dest; { if we have a float parameter, insert the realtype, len and fracpara parameters } if is_real then begin { insert realtype parameter } if not is_currency(source.resultdef) then begin rt:=ord(tfloatdef(source.left.resultdef).floattype); newparas.right := ccallparanode.create(cordconstnode.create( rt,s32inttype,true),newparas.right); tmppara:=tcallparanode(newparas.right); end else tmppara:=newparas; { if necessary, insert a fraction parameter } if not assigned(fracpara) then begin tmppara.right := ccallparanode.create( cordconstnode.create(int64(-1),s32inttype,false), tmppara.right); fracpara := tcallparanode(tmppara.right); end; { if necessary, insert a length para } if not assigned(lenpara) then fracpara.right := ccallparanode.create( cordconstnode.create(int64(-32767),s32inttype,false), fracpara.right); end else if is_enum then begin {Insert a reference to the ord2string index.} newparas.right:=Ccallparanode.create( Caddrnode.create_internal( Crttinode.create(Tenumdef(source.left.resultdef),fullrtti,rdt_normal) ), newparas.right); {Insert a reference to the typinfo.} newparas.right:=Ccallparanode.create( Caddrnode.create_internal( Crttinode.create(Tenumdef(source.left.resultdef),fullrtti,rdt_ord2str) ), newparas.right); {Insert a type conversion from the enumeration to longint.} source.left:=Ctypeconvnode.create_internal(source.left,s32inttype); typecheckpass(source.left); { if necessary, insert a length para } if not assigned(lenpara) then Tcallparanode(Tcallparanode(newparas.right).right).right:= Ccallparanode.create( cordconstnode.create(int64(-1),s32inttype,false), Tcallparanode(Tcallparanode(newparas.right).right).right ); end else { for a normal parameter, insert a only length parameter if one is missing } if not assigned(lenpara) then newparas.right := ccallparanode.create(cordconstnode.create(int64(-1),s32inttype,false), newparas.right); { remove the parameters from the original node so they won't get disposed, } { since they're reused } left := nil; { create procedure name } if is_chararray(dest.resultdef) then procname:='fpc_chararray_' else procname := 'fpc_' + tstringdef(dest.resultdef).stringtypname+'_'; if is_real then if is_currency(source.resultdef) then procname := procname + 'currency' else procname := procname + 'float' else if is_enum then procname:=procname+'enum' else case torddef(source.resultdef).ordtype of pasbool1,pasbool8,pasbool16,pasbool32,pasbool64, bool8bit,bool16bit,bool32bit,bool64bit: procname := procname + 'bool'; else procname := procname + get_str_int_func(source.resultdef); end; { for ansistrings insert the encoding argument } if is_ansistring(dest.resultdef) then newparas:=ccallparanode.create(cordconstnode.create( getparaencoding(dest.resultdef),u16inttype,true),newparas); { free the errornode we generated in the beginning } result.free; { create the call node, } result := ccallnode.createintern(procname,newparas); end; function tinlinenode.handle_default: tnode; function getdefaultvarsym(def:tdef):tnode; var hashedid : thashedidstring; srsym : tsym; srsymtable : tsymtable; defaultname : tidstring; begin if not assigned(def) or not (def.typ in [arraydef,recorddef,variantdef,objectdef,procvardef]) or ((def.typ=objectdef) and not is_object(def)) then internalerror(201202101); { extra '$' prefix because on darwin the result of makemangledname is prefixed by '_' and hence adding a '$' at the start of the prefix passed to makemangledname doesn't help (the whole point of the copy() operation below is to ensure that the id does not start with a '$', because that is interpreted specially by the symtable routines -- that's also why we prefix with '$_', so it will still work if make_mangledname() would somehow return a name that already starts with '$' } defaultname:='$_'+make_mangledname('zero',def.owner,def.typesym.Name); { can't hardcode the position of the '$', e.g. on darwin an underscore is added } hashedid.id:=copy(defaultname,2,255); { in case of a previous error, current_procinfo might not be set so avoid a crash in this case } if assigned(current_procinfo) then begin { the default sym is always part of the current procedure/function } srsymtable:=current_procinfo.procdef.localst; srsym:=tsym(srsymtable.findwithhash(hashedid)); if not assigned(srsym) then begin { no valid default variable found, so create it } srsym:=clocalvarsym.create(defaultname,vs_const,def,[]); srsymtable.insert(srsym); { mark the staticvarsym as typedconst } include(tabstractvarsym(srsym).varoptions,vo_is_typed_const); include(tabstractvarsym(srsym).varoptions,vo_is_default_var); { The variable has a value assigned } tabstractvarsym(srsym).varstate:=vs_initialised; { the variable can't be placed in a register } tabstractvarsym(srsym).varregable:=vr_none; end; result:=cloadnode.create(srsym,srsymtable); end else result:=cerrornode.create; end; var def : tdef; begin if not assigned(left) or (left.nodetype<>typen) then internalerror(2012032102); def:=ttypenode(left).typedef; result:=nil; case def.typ of enumdef, orddef: { don't do a rangecheck as Default will also return 0 for the following types (Delphi compatible): TRange1 = -10..-5; TRange2 = 5..10; TEnum = (a:=5;b:=10); } result:=cordconstnode.create(0,def,false); classrefdef, pointerdef: result:=cpointerconstnode.create(0,def); procvardef: if tprocvardef(def).size<>sizeof(pint) then result:=getdefaultvarsym(def) else result:=cpointerconstnode.create(0,def); stringdef: result:=cstringconstnode.createstr(''); floatdef: result:=crealconstnode.create(0,def); objectdef: begin if is_implicit_pointer_object_type(def) then result:=cpointerconstnode.create(0,def) else if is_object(def) then begin { Delphi does not recursively check whether an object contains unsupported types } if not (m_delphi in current_settings.modeswitches) and not is_valid_for_default(def) then Message(type_e_type_not_allowed_for_default); result:=getdefaultvarsym(def); end else Message(type_e_type_not_allowed_for_default); end; variantdef, recorddef: begin { Delphi does not recursively check whether a record contains unsupported types } if (def.typ=recorddef) and not (m_delphi in current_settings.modeswitches) and not is_valid_for_default(def) then Message(type_e_type_not_allowed_for_default); result:=getdefaultvarsym(def); end; setdef: begin result:=csetconstnode.create(nil,def); New(tsetconstnode(result).value_set); tsetconstnode(result).value_set^:=[]; end; arraydef: begin { can other array types be parsed by single_type? } if ado_isdynamicarray in tarraydef(def).arrayoptions then result:=cpointerconstnode.create(0,def) else begin result:=getdefaultvarsym(def); end; end; undefineddef: begin if sp_generic_dummy in def.typesym.symoptions then begin { this matches the error messages that are printed in case of non-Delphi modes } Message(parser_e_no_generics_as_types); Message(type_e_type_id_expected); end else result:=cpointerconstnode.create(0,def); end; else Message(type_e_type_not_allowed_for_default); end; if not assigned(result) then result:=cerrornode.create; end; function tinlinenode.handle_reset_rewrite_typed: tnode; begin { since this is a "in_xxxx_typedfile" node, we can be sure we have } { a typed file as argument and we don't have to check it again (JM) } { add the recsize parameter } { iso mode extension with name? } if inlinenumber in [in_reset_typedfile_name,in_rewrite_typedfile_name] then begin left := ccallparanode.create(cordconstnode.create( tfiledef(tcallparanode(tcallparanode(left).nextpara).paravalue.resultdef).typedfiledef.size,s32inttype,true),left); end else begin { note: for some reason, the parameter of intern procedures with only one } { parameter is gets lifted out of its original tcallparanode (see round } { line 1306 of ncal.pas), so recreate a tcallparanode here (JM) } left := ccallparanode.create(cordconstnode.create( tfiledef(left.resultdef).typedfiledef.size,s32inttype,true), ccallparanode.create(left,nil)); end; { create the correct call } if m_isolike_io in current_settings.modeswitches then begin case inlinenumber of in_reset_typedfile: result := ccallnode.createintern('fpc_reset_typed_iso',left); in_reset_typedfile_name: result := ccallnode.createintern('fpc_reset_typed_name_iso',left); in_rewrite_typedfile: result := ccallnode.createintern('fpc_rewrite_typed_iso',left); in_rewrite_typedfile_name: result := ccallnode.createintern('fpc_rewrite_typed_name_iso',left); else internalerror(2016101502); end; end else begin if inlinenumber=in_reset_typedfile then result := ccallnode.createintern('fpc_reset_typed',left) else result := ccallnode.createintern('fpc_rewrite_typed',left); end; { make sure left doesn't get disposed, since we use it in the new call } left := nil; end; procedure maybe_convert_to_string(var n: tnode); begin { stringconstnodes are arrays of char. It's much more } { efficient to write a constant string, so convert } { either to shortstring or ansistring depending on } { length } if (n.nodetype=stringconstn) then if is_chararray(n.resultdef) then if (tstringconstnode(n).len<=255) then inserttypeconv(n,cshortstringtype) else inserttypeconv(n,getansistringdef) else if is_widechararray(n.resultdef) then inserttypeconv(n,cunicodestringtype); end; procedure get_read_write_int_func(def: tdef; out func_suffix: string; out readfunctype: tdef); var ordtype: tordtype; begin ordtype := torddef(def).ordtype; if is_oversizedint(def) then begin case ordtype of s64bit: begin func_suffix := 'int64'; readfunctype:=s64inttype; end; u64bit : begin func_suffix := 'qword'; readfunctype:=u64inttype; end; s32bit: begin func_suffix := 'longint'; readfunctype:=s32inttype; end; u32bit : begin func_suffix := 'longword'; readfunctype:=u32inttype; end; s16bit: begin func_suffix := 'smallint'; readfunctype:=s16inttype; end; u16bit : begin func_suffix := 'word'; readfunctype:=u16inttype; end; else internalerror(2013032602); end; end else begin case ordtype of s64bit, s32bit, s16bit, s8bit: begin func_suffix := 'sint'; readfunctype := sinttype; end; u64bit, u32bit, u16bit, u8bit: begin func_suffix := 'uint'; readfunctype := uinttype; end; else internalerror(2013032601); end; end; end; function Tinlinenode.handle_text_read_write(filepara,params:Ttertiarynode;var newstatement:Tnode):boolean; {Read(ln)/write(ln) for text files.} const procprefixes:array[boolean] of string[15]=('fpc_write_text_','fpc_read_text_'); var error_para,is_real,special_handling,found_error,do_read:boolean; p1:Tnode; nextpara, indexpara, lenpara, para, fracpara:Tcallparanode; temp:Ttempcreatenode; readfunctype:Tdef; name:string[63]; func_suffix:string[8]; begin para:=Tcallparanode(params); found_error:=false; do_read:=inlinenumber in [in_read_x,in_readln_x,in_readstr_x]; name:=''; while assigned(para) do begin { is this parameter faulty? } error_para:=false; { is this parameter a real? } is_real:=false; { type used for the read(), this is used to check whether a temp is needed for range checking } readfunctype:=nil; { can't read/write types } if (para.left.nodetype=typen) and not(is_typeparam(ttypenode(para.left).typedef)) then begin CGMessagePos(para.fileinfo,type_e_cant_read_write_type); error_para := true; end; { support writeln(procvar) } if para.left.resultdef.typ=procvardef then begin p1:=ccallnode.create_procvar(nil,para.left); typecheckpass(p1); para.left:=p1; end; if inlinenumber in [in_write_x,in_writeln_x] then { prefer strings to chararrays } maybe_convert_to_string(para.left); if is_typeparam(para.left.resultdef) then error_para:=true else case para.left.resultdef.typ of stringdef : begin name:=procprefixes[do_read]+tstringdef(para.left.resultdef).stringtypname; if (m_isolike_io in current_settings.modeswitches) and (tstringdef(para.left.resultdef).stringtype<>st_shortstring) then begin CGMessagePos(para.fileinfo,type_e_cant_read_write_type_in_iso_mode); error_para := true; end; end; pointerdef : begin if (not is_pchar(para.left.resultdef)) or do_read then begin CGMessagePos(para.fileinfo,type_e_cant_read_write_type); error_para := true; end else name:=procprefixes[do_read]+'pchar_as_pointer'; end; floatdef : begin is_real:=true; if Tfloatdef(para.left.resultdef).floattype=s64currency then name := procprefixes[do_read]+'currency' else begin name := procprefixes[do_read]+'float'; readfunctype:=pbestrealtype^; end; { iso pascal needs a different handler } if (m_isolike_io in current_settings.modeswitches) and do_read then name:=name+'_iso'; end; enumdef: begin name:=procprefixes[do_read]+'enum'; readfunctype:=s32inttype; end; orddef : begin case Torddef(para.left.resultdef).ordtype of s8bit, s16bit, s32bit, s64bit, u8bit, u16bit, u32bit, u64bit: begin get_read_write_int_func(para.left.resultdef,func_suffix,readfunctype); name := procprefixes[do_read]+func_suffix; if (m_isolike_io in current_settings.modeswitches) and do_read then name:=name+'_iso'; end; uchar : begin name := procprefixes[do_read]+'char'; { iso pascal needs a different handler } if (m_isolike_io in current_settings.modeswitches) and do_read then name:=name+'_iso'; readfunctype:=cansichartype; end; uwidechar : begin name := procprefixes[do_read]+'widechar'; readfunctype:=cwidechartype; end; scurrency: begin name := procprefixes[do_read]+'currency'; { iso pascal needs a different handler } if (m_isolike_io in current_settings.modeswitches) and do_read then name:=name+'_iso'; readfunctype:=s64currencytype; is_real:=true; end; pasbool1, pasbool8, pasbool16, pasbool32, pasbool64, bool8bit, bool16bit, bool32bit, bool64bit: if do_read then begin CGMessagePos(para.fileinfo,type_e_cant_read_write_type); error_para := true; end else begin name := procprefixes[do_read]+'boolean'; readfunctype:=pasbool1type; end else begin CGMessagePos(para.fileinfo,type_e_cant_read_write_type); error_para := true; end; end; end; variantdef : begin name:=procprefixes[do_read]+'variant'; include(current_module.moduleflags,mf_uses_variants); end; arraydef : begin if is_chararray(para.left.resultdef) then name := procprefixes[do_read]+'pchar_as_array' else begin CGMessagePos(para.fileinfo,type_e_cant_read_write_type); error_para := true; end end; else begin CGMessagePos(para.fileinfo,type_e_cant_read_write_type); error_para := true; end; end; { iso pascal needs a different handler } if (m_isolike_io in current_settings.modeswitches) and not(do_read) then name:=name+'_iso'; { check for length/fractional colon para's } fracpara:=nil; lenpara:=nil; indexpara:=nil; if assigned(para.right) and (cpf_is_colon_para in tcallparanode(para.right).callparaflags) then begin lenpara := tcallparanode(para.right); if assigned(lenpara.right) and (cpf_is_colon_para in tcallparanode(lenpara.right).callparaflags) then fracpara:=tcallparanode(lenpara.right); end; { get the next parameter now already, because we're going } { to muck around with the pointers } if assigned(fracpara) then nextpara := tcallparanode(fracpara.right) else if assigned(lenpara) then nextpara := tcallparanode(lenpara.right) else nextpara := tcallparanode(para.right); { check if a fracpara is allowed } if assigned(fracpara) and not is_real then begin CGMessagePos(fracpara.fileinfo,parser_e_illegal_colon_qualifier); error_para := true; end else if assigned(lenpara) and do_read then begin { I think this is already filtered out by parsing, but I'm not sure (JM) } CGMessagePos(lenpara.fileinfo,parser_e_illegal_colon_qualifier); error_para := true; end; { adjust found_error } found_error := found_error or error_para; if not error_para then begin special_handling:=false; { create dummy frac/len para's if necessary } if not do_read then begin { difference in default value for floats and the rest :( } if not is_real then begin if not assigned(lenpara) then begin if m_isolike_io in current_settings.modeswitches then lenpara := ccallparanode.create( cordconstnode.create(-1,s32inttype,false),nil) else lenpara := ccallparanode.create( cordconstnode.create(0,s32inttype,false),nil); end else { make sure we don't pass the successive } { parameters too. We also already have a } { reference to the next parameter in } { nextpara } lenpara.right := nil; end else begin if not assigned(lenpara) then lenpara := ccallparanode.create( cordconstnode.create(int64(-32767),s32inttype,false),nil); { also create a default fracpara if necessary } if not assigned(fracpara) then fracpara := ccallparanode.create( cordconstnode.create(int64(-1),s32inttype,false),nil); { add it to the lenpara } lenpara.right := fracpara; if not is_currency(para.left.resultdef) then begin { and add the realtype para (this also removes the link } { to any parameters coming after it) } fracpara.right := ccallparanode.create( cordconstnode.create(ord(tfloatdef(para.left.resultdef).floattype), s32inttype,true),nil); end else fracpara.right:=nil; end; if para.left.resultdef.typ=enumdef then begin {To write(ln) an enum we need a some extra parameters.} {Insert a reference to the ord2string index.} indexpara:=Ccallparanode.create( Caddrnode.create_internal( Crttinode.create(Tenumdef(para.left.resultdef),fullrtti,rdt_normal) ), nil); {Insert a reference to the typinfo.} indexpara:=Ccallparanode.create( Caddrnode.create_internal( Crttinode.create(Tenumdef(para.left.resultdef),fullrtti,rdt_ord2str) ), indexpara); {Insert a type conversion to to convert the enum to longint.} para.left:=Ctypeconvnode.create_internal(para.left,s32inttype); typecheckpass(para.left); end; end else begin {To read(ln) an enum we need a an extra parameter.} if para.left.resultdef.typ=enumdef then begin {Insert a reference to the string2ord index.} indexpara:=Ccallparanode.create(Caddrnode.create_internal( Crttinode.create(Tenumdef(para.left.resultdef),fullrtti,rdt_str2ord) ),nil); {Insert a type conversion to to convert the enum to longint.} para.left:=Ctypeconvnode.create_internal(para.left,s32inttype); typecheckpass(para.left); end; { special handling of reading small numbers, because the helpers } { expect a longint/card/bestreal var parameter. Use a temp. can't } { use functions because then the call to FPC_IOCHECK destroys } { their result before we can store it } if (readfunctype<>nil) and (para.left.resultdef<>readfunctype) then special_handling:=true; end; if special_handling then begin { since we're not going to pass the parameter as var-parameter } { to the read function, manually check whether the parameter } { can be used as var-parameter (e.g., whether it isn't a } { property) } valid_for_var(para.left,true); { create the parameter list: the temp ... } temp := ctempcreatenode.create(readfunctype,readfunctype.size,tt_persistent,false); addstatement(Tstatementnode(newstatement),temp); { ... and the file } p1 := ccallparanode.create(ctemprefnode.create(temp), filepara.getcopy); Tcallparanode(Tcallparanode(p1).right).right:=indexpara; { create the call to the helper } addstatement(Tstatementnode(newstatement), ccallnode.createintern(name,tcallparanode(p1))); { assign the result to the original var (this automatically } { takes care of range checking) } addstatement(Tstatementnode(newstatement), cassignmentnode.create(para.left, ctemprefnode.create(temp))); { release the temp location } addstatement(Tstatementnode(newstatement),ctempdeletenode.create(temp)); { statement of para is used } para.left := nil; { free the enclosing tcallparanode, but not the } { parameters coming after it } para.right := nil; para.free; end else { read of non s/u-8/16bit, or a write } begin { add the filepara to the current parameter } para.right := filepara.getcopy; {Add the lenpara and the indexpara(s) (fracpara and realtype are already linked with the lenpara if necessary).} if indexpara=nil then Tcallparanode(para.right).right:=lenpara else begin if lenpara=nil then Tcallparanode(para.right).right:=indexpara else begin Tcallparanode(para.right).right:=lenpara; lenpara.right:=indexpara; end; { indexpara.right:=lenpara;} end; { in case of writing a chararray, add whether it's zero-based } if para.left.resultdef.typ=arraydef then para := ccallparanode.create(cordconstnode.create( ord(tarraydef(para.left.resultdef).lowrange=0),pasbool1type,false),para) else { in case of reading an ansistring pass a codepage argument } if do_read and is_ansistring(para.left.resultdef) then para:=ccallparanode.create(cordconstnode.create( getparaencoding(para.left.resultdef),u16inttype,true),para); { create the call statement } addstatement(Tstatementnode(newstatement), ccallnode.createintern(name,para)); end end else { error_para = true } begin { free the parameter, since it isn't referenced anywhere anymore } para.right := nil; para.free; if assigned(lenpara) then begin lenpara.right := nil; lenpara.free; end; if assigned(fracpara) then begin fracpara.right := nil; fracpara.free; end; end; { process next parameter } para := nextpara; end; { if no error, add the write(ln)/read(ln) end calls } if not found_error then begin case inlinenumber of in_read_x, in_readstr_x: name:='fpc_read_end'; in_write_x, in_writestr_x: name:='fpc_write_end'; in_readln_x: begin name:='fpc_readln_end'; if m_isolike_io in current_settings.modeswitches then name:=name+'_iso'; end; in_writeln_x: name:='fpc_writeln_end'; else internalerror(2019050501); end; addstatement(Tstatementnode(newstatement),ccallnode.createintern(name,filepara.getcopy)); end; handle_text_read_write:=found_error; end; function Tinlinenode.handle_typed_read_write(filepara,params:Ttertiarynode;var newstatement:Tnode):boolean; {Read/write for typed files.} const procprefixes:array[boolean,boolean] of string[19]=(('fpc_typed_write','fpc_typed_read'), ('fpc_typed_write','fpc_typed_read_iso')); procnamesdisplay:array[boolean,boolean] of string[8] = (('Write','Read'),('WriteStr','ReadStr')); var found_error,do_read,is_rwstr:boolean; para,nextpara:Tcallparanode; p1:Tnode; temp:Ttempcreatenode; begin found_error:=false; para:=Tcallparanode(params); do_read:=inlinenumber in [in_read_x,in_readln_x,in_readstr_x]; is_rwstr := inlinenumber in [in_readstr_x,in_writestr_x]; temp:=nil; { add the typesize to the filepara } if filepara.resultdef.typ=filedef then filepara.right := ccallparanode.create(cordconstnode.create( tfiledef(filepara.resultdef).typedfiledef.size,s32inttype,true),nil); { check for "no parameters" (you need at least one extra para for typed files) } if not assigned(para) then begin CGMessage1(parser_e_wrong_parameter_size,procnamesdisplay[is_rwstr,do_read]); found_error := true; end; { process all parameters } while assigned(para) do begin { check if valid parameter } if para.left.nodetype=typen then begin CGMessagePos(para.left.fileinfo,type_e_cant_read_write_type); found_error := true; end; { support writeln(procvar) } if (para.left.resultdef.typ=procvardef) then begin p1:=ccallnode.create_procvar(nil,para.left); typecheckpass(p1); para.left:=p1; end; if filepara.resultdef.typ=filedef then inserttypeconv(para.left,tfiledef(filepara.resultdef).typedfiledef); if assigned(para.right) and (cpf_is_colon_para in tcallparanode(para.right).callparaflags) then begin CGMessagePos(para.right.fileinfo,parser_e_illegal_colon_qualifier); { skip all colon para's } nextpara := tcallparanode(tcallparanode(para.right).right); while assigned(nextpara) and (cpf_is_colon_para in nextpara.callparaflags) do nextpara := tcallparanode(nextpara.right); found_error := true; end else { get next parameter } nextpara := tcallparanode(para.right); { When we have a call, we have a problem: you can't pass the } { result of a call as a formal const parameter. Solution: } { assign the result to a temp and pass this temp as parameter } { This is not very efficient, but write(typedfile,x) is } { already slow by itself anyway (no buffering) (JM) } { Actually, thge same goes for every non-simple expression } { (such as an addition, ...) -> put everything but load nodes } { into temps (JM) } { of course, this must only be allowed for writes!!! (JM) } if not(do_read) and (para.left.nodetype <> loadn) then begin { create temp for result } temp := ctempcreatenode.create(para.left.resultdef, para.left.resultdef.size,tt_persistent,false); addstatement(Tstatementnode(newstatement),temp); { assign result to temp } addstatement(Tstatementnode(newstatement), cassignmentnode.create(ctemprefnode.create(temp), para.left)); { replace (reused) paranode with temp } para.left := ctemprefnode.create(temp); end; { add fileparameter } para.right := filepara.getcopy; { create call statment } { since the parameters are in the correct order, we have to insert } { the statements always at the end of the current block } addstatement(Tstatementnode(newstatement), Ccallnode.createintern(procprefixes[m_isolike_io in current_settings.modeswitches,do_read],para )); { if we used a temp, free it } if para.left.nodetype = temprefn then addstatement(Tstatementnode(newstatement),ctempdeletenode.create(temp)); { process next parameter } para := nextpara; end; handle_typed_read_write:=found_error; end; function tinlinenode.handle_read_write: tnode; var filepara, nextpara, params : tcallparanode; newstatement : tstatementnode; newblock : tblocknode; filetemp : Ttempcreatenode; name : string[31]; textsym : ttypesym; is_typed, do_read, is_rwstr, found_error : boolean; begin filepara := nil; is_typed := false; filetemp := nil; do_read := inlinenumber in [in_read_x,in_readln_x,in_readstr_x]; is_rwstr := inlinenumber in [in_readstr_x,in_writestr_x]; { if we fail, we can quickly exit this way. We must generate something } { instead of the inline node, because firstpass will bomb with an } { internalerror if it encounters a read/write } result := cerrornode.create; { reverse the parameters (needed to get the colon parameters in the } { correct order when processing write(ln) } reverseparameters(tcallparanode(left)); if is_rwstr then begin filepara := tcallparanode(left); { needs at least two parameters: source/dest string + min. 1 value } if not(assigned(filepara)) or not(assigned(filepara.right)) then begin CGMessagePos1(fileinfo,parser_e_wrong_parameter_size,'ReadStr/WriteStr'); exit; end else if (filepara.resultdef.typ <> stringdef) then begin { convert chararray to string, or give an appropriate error message } { (if you want to optimize to use shortstring, keep in mind that } { readstr internally always uses ansistring, and to account for } { chararrays with > 255 characters) } inserttypeconv(filepara.left,getansistringdef); filepara.resultdef:=filepara.left.resultdef; if codegenerror then exit; end end else if assigned(left) then begin { check if we have a file parameter and if yes, what kind it is } filepara := tcallparanode(left); if (filepara.resultdef.typ=filedef) then begin if (tfiledef(filepara.resultdef).filetyp=ft_untyped) then begin CGMessagePos(fileinfo,type_e_no_read_write_for_untyped_file); exit; end else begin if (tfiledef(filepara.resultdef).filetyp=ft_typed) then begin if (inlinenumber in [in_readln_x,in_writeln_x]) then begin CGMessagePos(fileinfo,type_e_no_readln_writeln_for_typed_file); exit; end; is_typed := true; end end; end else filepara := nil; end; { create a blocknode in which the successive write/read statements will be } { put, since they belong together. Also create a dummy statement already to } { make inserting of additional statements easier } newblock:=internalstatements(newstatement); if is_rwstr then begin { create a dummy temp text file that will be used to cache the readstr/writestr state. Can't use a global variable in the system unit because these can be nested (in case of parameters to writestr that are function calls to functions that also call readstr/writestr) } textsym:=search_system_type('TEXT'); filetemp:=ctempcreatenode.create(textsym.typedef,textsym.typedef.size,tt_persistent,false); addstatement(newstatement,filetemp); if (do_read) then name:='fpc_setupreadstr_' else name:='fpc_setupwritestr_'; name:=name+tstringdef(filepara.resultdef).stringtypname; { the file para is a var parameter, but it is properly initialized, so it should be actually an out parameter } if not(do_read) then set_varstate(filepara.left,vs_written,[]); { remove the source/destination string parameter from the } { parameter chain } left:=filepara.right; filepara.right:=ccallparanode.create(ctemprefnode.create(filetemp),nil); { in case of a writestr() to an ansistring, also pass the string's code page } if not do_read and is_ansistring(filepara.left.resultdef) then filepara:=ccallparanode.create(genintconstnode(tstringdef(filepara.left.resultdef).encoding),filepara); { pass the temp text file and the source/destination string to the setup routine, which will store the string's address in the textrec } addstatement(newstatement,ccallnode.createintern(name,filepara)); filepara:=ccallparanode.create(ctemprefnode.create(filetemp),nil); end { if we don't have a filepara, create one containing the default } else if not assigned(filepara) then begin { since the input/output variables are threadvars loading them into a temp once is faster. Create a temp which will hold a pointer to the file } filetemp := ctempcreatenode.create(voidpointertype,voidpointertype.size,tt_persistent,true); addstatement(newstatement,filetemp); { make sure the resultdef of the temp (and as such of the } { temprefs coming after it) is set (necessary because the } { temprefs will be part of the filepara, of which we need } { the resultdef later on and temprefs can only be } { typecheckpassed if the resultdef of the temp is known) } typecheckpass(tnode(filetemp)); { assign the address of the file to the temp } if do_read then name := 'input' else name := 'output'; addstatement(newstatement, cassignmentnode.create(ctemprefnode.create(filetemp), ccallnode.createintern('fpc_get_'+name,nil))); { create a new fileparameter as follows: file_type(temp^) } { (so that we pass the value and not the address of the temp } { to the read/write routine) } textsym:=search_system_type('TEXT'); filepara := ccallparanode.create(ctypeconvnode.create_internal( cderefnode.create(ctemprefnode.create(filetemp)),textsym.typedef),nil); end else { remove filepara from the parameter chain } begin left := filepara.right; filepara.right := nil; { the file para is a var parameter, but it must be valid already } set_varstate(filepara.left,vs_readwritten,[vsf_must_be_valid]); { check if we should make a temp to store the result of a complex } { expression (better heuristics, anyone?) (JM) } if (filepara.left.nodetype <> loadn) then begin { create a temp which will hold a pointer to the file } filetemp := ctempcreatenode.create(voidpointertype,voidpointertype.size,tt_persistent,true); { add it to the statements } addstatement(newstatement,filetemp); { make sure the resultdef of the temp (and as such of the } { temprefs coming after it) is set (necessary because the } { temprefs will be part of the filepara, of which we need } { the resultdef later on and temprefs can only be } { typecheckpassed if the resultdef of the temp is known) } typecheckpass(tnode(filetemp)); { assign the address of the file to the temp } addstatement(newstatement, cassignmentnode.create(ctemprefnode.create(filetemp), caddrnode.create_internal(filepara.left))); typecheckpass(newstatement.left); { create a new fileparameter as follows: file_type(temp^) } { (so that we pass the value and not the address of the temp } { to the read/write routine) } nextpara := ccallparanode.create(ctypeconvnode.create_internal( cderefnode.create(ctemprefnode.create(filetemp)),filepara.left.resultdef),nil); { replace the old file para with the new one } filepara.left := nil; filepara.free; filepara := nextpara; end; end; { the resultdef of the filepara must be set since it's } { used below } filepara.get_paratype; { now, filepara is nowhere referenced anymore, so we can safely dispose it } { if something goes wrong or at the end of the procedure } { we're going to reuse the paranodes, so make sure they don't get freed } { twice } params:=Tcallparanode(left); left := nil; if is_typed then found_error:=handle_typed_read_write(filepara,Ttertiarynode(params),tnode(newstatement)) else found_error:=handle_text_read_write(filepara,Ttertiarynode(params),tnode(newstatement)); { free the file parameter (it's copied inside the handle_*_read_write methods) } filepara.free; { if we found an error, simply delete the generated blocknode } if found_error then begin { ensure that the tempinfo is freed correctly by destroying a delete node for it Note: this might happen legitimately whe parsing a generic that passes a undefined type to Write/Read } if assigned(filetemp) then ctempdeletenode.create(filetemp).free; newblock.free end else begin { deallocate the temp for the file para if we used one } if assigned(filetemp) then addstatement(newstatement,ctempdeletenode.create(filetemp)); { otherwise return the newly generated block of instructions, } { but first free the errornode we generated at the beginning } result.free; result := newblock end; end; function get_val_int_func(def: tdef): string; var ordtype: tordtype; begin ordtype := torddef(def).ordtype; if not (ordtype in [s64bit,u64bit,s32bit,u32bit,s16bit,u16bit,s8bit,u8bit]) then internalerror(2020080101); if is_oversizedint(def) then begin case ordtype of s64bit: exit('int64'); u64bit: exit('qword'); s32bit: exit('longint'); u32bit: exit('longword'); s16bit: exit('smallint'); u16bit: exit('word'); else internalerror(2013032606); end; end else begin case ordtype of s64bit,s32bit,s16bit,s8bit: exit('sint'); u64bit,u32bit,u16bit,u8bit: exit('uint'); else internalerror(2013032607); end; end; internalerror(2013032608); end; function tinlinenode.handle_val: tnode; var procname, suffix : string[31]; sourcepara, destpara, codepara, sizepara, newparas : tcallparanode; orgcode,tc : tnode; newstatement : tstatementnode; newblock : tblocknode; tempcode : ttempcreatenode; valsinttype : tdef; begin { for easy exiting if something goes wrong } result := cerrornode.create; { check the amount of parameters } if not(assigned(left)) or not(assigned(tcallparanode(left).right)) then begin CGMessage1(parser_e_wrong_parameter_size,'Val'); exit; end; suffix:=''; { in case we are in a generic definition, we cannot do all checks, the parameters might be type parameters } if df_generic in current_procinfo.procdef.defoptions then begin result.Free; result:=nil; resultdef:=voidtype; exit; end; { retrieve the ValSInt type } valsinttype:=search_system_type('VALSINT').typedef; { reverse parameters for easier processing } reverseparameters(tcallparanode(left)); { get the parameters } tempcode := nil; orgcode := nil; sizepara := nil; sourcepara := tcallparanode(left); destpara := tcallparanode(sourcepara.right); codepara := tcallparanode(destpara.right); { check if codepara is valid } if assigned(codepara) and ( not is_integer(codepara.resultdef) {$ifndef cpu64bitaddr} or is_64bitint(codepara.resultdef) {$endif not cpu64bitaddr} ) then begin CGMessagePos1(codepara.fileinfo,type_e_integer_expr_expected,codepara.resultdef.typename); exit; end; { check if dest para is valid } if not is_integer(destpara.resultdef) and not is_currency(destpara.resultdef) and not(destpara.resultdef.typ in [floatdef,enumdef]) then begin CGMessagePos(destpara.fileinfo,type_e_integer_or_real_expr_expected); exit; end; { we're going to reuse the exisiting para's, so make sure they } { won't be disposed } left := nil; { create the blocknode which will hold the generated statements + } { an initial dummy statement } newblock:=internalstatements(newstatement); { do we need a temp for code? Yes, if no code specified, or if } { code is not a valsinttype sized parameter (we already checked } { whether the code para, if specified, was an orddef) } if not assigned(codepara) or (codepara.resultdef.size<>valsinttype.size) then begin tempcode := ctempcreatenode.create(valsinttype,valsinttype.size,tt_persistent,false); addstatement(newstatement,tempcode); { set the resultdef of the temp (needed to be able to get } { the resultdef of the tempref used in the new code para) } typecheckpass(tnode(tempcode)); { create a temp codepara, but save the original code para to } { assign the result to later on } if assigned(codepara) then begin orgcode := codepara.left; codepara.left := ctemprefnode.create(tempcode); end else codepara := ccallparanode.create(ctemprefnode.create(tempcode),nil); { we need its resultdef later on } codepara.get_paratype; end else if (torddef(codepara.resultdef).ordtype <> torddef(valsinttype).ordtype) then { because code is a var parameter, it must match types exactly } { however, since it will return values >= 0, both signed and } { and unsigned ints of the same size are fine. Since the formal } { code para type is sinttype, insert a typecoversion to sint for } { unsigned para's } begin codepara.left := ctypeconvnode.create_internal(codepara.left,valsinttype); { make it explicit, oterwise you may get a nonsense range } { check error if the cardinal already contained a value } { > $7fffffff } codepara.get_paratype; end; { create the procedure name } procname := 'fpc_val_'; case destpara.resultdef.typ of orddef: begin case torddef(destpara.resultdef).ordtype of s8bit,s16bit,s32bit,s64bit, u8bit,u16bit,u32bit,u64bit: begin suffix := get_val_int_func(destpara.resultdef) + '_'; { we also need a destsize para in the case of sint } if suffix = 'sint_' then sizepara := ccallparanode.create(cordconstnode.create (destpara.resultdef.size,s32inttype,true),nil); end; scurrency: suffix := 'currency_'; else internalerror(200304225); end; end; floatdef: suffix:='real_'; enumdef: begin suffix:='enum_'; sizepara:=Ccallparanode.create(Caddrnode.create_internal( Crttinode.create(Tenumdef(destpara.resultdef),fullrtti,rdt_str2ord) ),nil); end; else internalerror(2019050515); end; procname := procname + suffix; { play a trick to have tcallnode handle invalid source parameters: } { the shortstring-longint val routine by default } if (sourcepara.resultdef.typ = stringdef) then procname := procname + tstringdef(sourcepara.resultdef).stringtypname { zero-based arrays (of char) can be implicitely converted to ansistring, but don't do so if not needed because the array is too short } else if is_zero_based_array(sourcepara.resultdef) and (sourcepara.resultdef.size>255) then procname := procname + 'ansistr' else procname := procname + 'shortstr'; { set up the correct parameters for the call: the code para... } newparas := codepara; { and the source para } codepara.right := sourcepara; { sizepara either contains nil if none is needed (which is ok, since } { then the next statement severes any possible links with other paras } { that sourcepara may have) or it contains the necessary size para and } { its right field is nil } sourcepara.right := sizepara; { create the call and assign the result to dest (val helpers are functions). Use a trick to prevent a type size mismatch warning to be generated by the assignment node. First convert implicitly to the resultdef. This will insert the range check. The Second conversion is done explicitly to hide the implicit conversion for the assignment node and therefor preventing the warning (PFV) The implicit conversion is avoided for enums because implicit conversion between longint (which is what fpc_val_enum_shortstr returns) and enumerations is not possible. (DM). The implicit conversion is also avoided for COMP type if it is handled by FPU (x86) to prevent warning about automatic type conversion. } if (destpara.resultdef.typ=enumdef) or ((destpara.resultdef.typ=floatdef) and (tfloatdef(destpara.resultdef).floattype=s64comp)) then tc:=ccallnode.createintern(procname,newparas) else tc:=ctypeconvnode.create(ccallnode.createintern(procname,newparas),destpara.left.resultdef); addstatement(newstatement,cassignmentnode.create( destpara.left,ctypeconvnode.create_internal(tc,destpara.left.resultdef))); { dispose of the enclosing paranode of the destination } destpara.left := nil; destpara.right := nil; destpara.free; { check if we used a temp for code and whether we have to store } { it to the real code parameter } if assigned(orgcode) then addstatement(newstatement,cassignmentnode.create( orgcode, ctypeconvnode.create_internal( ctemprefnode.create(tempcode),orgcode.resultdef))); { release the temp if we allocated one } if assigned(tempcode) then addstatement(newstatement,ctempdeletenode.create(tempcode)); { free the errornode } result.free; { and return it } result := newblock; end; function tinlinenode.handle_setlength: tnode; var def: tdef; destppn, paras: tnode; newstatement: tstatementnode; ppn: tcallparanode; counter, dims: longint; isarray: boolean; begin { for easy exiting if something goes wrong } result:=cerrornode.create; resultdef:=voidtype; paras:=left; dims:=0; if assigned(paras) then begin { check type of lengths } ppn:=tcallparanode(paras); while assigned(ppn.right) do begin set_varstate(ppn.left,vs_read,[vsf_must_be_valid]); inserttypeconv(ppn.left,sinttype); inc(dims); ppn:=tcallparanode(ppn.right); end; end else internalerror(2013112912); if dims=0 then begin CGMessage1(parser_e_wrong_parameter_size,'SetLength'); exit; end; { last param must be var } destppn:=ppn.left; valid_for_var(destppn,true); set_varstate(destppn,vs_written,[vsf_must_be_valid,vsf_use_hints,vsf_use_hint_for_string_result]); { first param must be a string or dynamic array ...} isarray:=is_dynamic_array(destppn.resultdef); if not((destppn.resultdef.typ=stringdef) or isarray) then begin { possibly generic involved? } if df_generic in current_procinfo.procdef.defoptions then result:=internalstatements(newstatement) else CGMessage(type_e_mismatch); exit; end; { only dynamic arrays accept more dimensions } if (dims>1) then begin if (not isarray) then CGMessage(type_e_mismatch) else begin { check if the amount of dimensions is valid } def:=tarraydef(destppn.resultdef).elementdef; counter:=dims; while counter > 1 do begin if not(is_dynamic_array(def)) then begin CGMessage1(parser_e_wrong_parameter_size,'SetLength'); break; end; dec(counter); def:=tarraydef(def).elementdef; end; end; end; result.free; result:=nil; end; function tinlinenode.handle_copy: tnode; procedure do_error(typemismatch:boolean;func:string;fi:tfileposinfo); procedure write_dynarray_copy; begin MessagePos1(fileinfo,sym_e_param_list,'Copy(Dynamic Array;'+sizesinttype.typename+'=``;'+sizesinttype.typename+'=``);'); end; begin if typemismatch then CGMessagePos(fi,type_e_mismatch) else CGMessagePos1(fi,parser_e_wrong_parameter_size,'Copy'); if func='' then begin write_system_parameter_lists('fpc_shortstr_copy'); write_system_parameter_lists('fpc_char_copy'); write_system_parameter_lists('fpc_unicodestr_copy'); if tf_winlikewidestring in target_info.flags then write_system_parameter_lists('fpc_widestr_copy'); write_system_parameter_lists('fpc_ansistr_copy'); write_dynarray_copy; end else if func='fpc_dynarray_copy' then write_dynarray_copy else write_system_parameter_lists(func); end; var paras : tnode; ppn : tcallparanode; paradef : tdef; counter : integer; minargs, maxargs : longint; func : string; begin if not assigned(left) then begin do_error(false,'',fileinfo); exit(cerrornode.create); end; result:=nil; { determine copy function to use based on the first argument, also count the number of arguments in this loop } counter:=1; paras:=left; ppn:=tcallparanode(paras); while assigned(ppn.right) do begin inc(counter); set_varstate(ppn.left,vs_read,[vsf_must_be_valid]); ppn:=tcallparanode(ppn.right); end; set_varstate(ppn.left,vs_read,[vsf_must_be_valid]); paradef:=ppn.left.resultdef; { the string variants all require 2 or 3 args, only the array one allows less } minargs:=2; maxargs:=3; func:=''; if is_ansistring(paradef) then begin // set resultdef to argument def resultdef:=paradef; func:='fpc_ansistr_copy'; end else if (is_chararray(paradef) and (paradef.size>255)) or ((cs_refcountedstrings in current_settings.localswitches) and is_pchar(paradef)) then begin // set resultdef to ansistring type since result will be in ansistring codepage resultdef:=getansistringdef; func:='fpc_ansistr_copy'; end else if is_widestring(paradef) then begin resultdef:=cwidestringtype; func:='fpc_widestr_copy'; end else if is_unicodestring(paradef) or is_widechararray(paradef) or is_pwidechar(paradef) then begin resultdef:=cunicodestringtype; func:='fpc_unicodestr_copy'; end else if is_char(paradef) then begin resultdef:=cshortstringtype; func:='fpc_char_copy'; end else if is_dynamic_array(paradef) then begin minargs:=1; resultdef:=paradef; func:='fpc_array_to_dynarray_copy'; end else if is_open_array(paradef) then begin minargs:=1; resultdef:=carraydef.create(0,-1,tarraydef(paradef).rangedef); tarraydef(resultdef).arrayoptions:=tarraydef(resultdef).arrayoptions+[ado_IsDynamicArray]; tarraydef(resultdef).elementdef:=tarraydef(paradef).elementdef; func:='fpc_array_to_dynarray_copy'; end else if counter in [2..3] then begin resultdef:=cshortstringtype; func:='fpc_shortstr_copy'; end else if counter<=maxargs then begin do_error(true,'',ppn.left.fileinfo); exit(cerrornode.create); end; if (countermaxargs) then begin do_error(false,func,fileinfo); exit(cerrornode.create); end; end; {$maxfpuregisters 0} function getpi : bestreal; begin {$ifdef x86} { x86 has pi in hardware } result:=pi; {$else x86} {$ifdef cpuextended} result:=MathPiExtended.Value; {$else cpuextended} result:=MathPi.Value; {$endif cpuextended} {$endif x86} end; function tinlinenode.simplify(forinline : boolean): tnode; function do_lowhigh(def:tdef) : tnode; var v : tconstexprint; enum : tenumsym; hp : tnode; i : integer; begin case def.typ of orddef: begin set_varstate(left,vs_read,[]); if inlinenumber=in_low_x then v:=torddef(def).low else v:=torddef(def).high; hp:=cordconstnode.create(v,def,true); typecheckpass(hp); do_lowhigh:=hp; end; enumdef: begin set_varstate(left,vs_read,[]); if inlinenumber=in_high_x then v:=tenumdef(def).maxval else v:=tenumdef(def).minval; enum:=nil; for i := 0 to tenumdef(def).symtable.SymList.Count - 1 do if tenumsym(tenumdef(def).symtable.SymList[i]).value=v then begin enum:=tenumsym(tenumdef(def).symtable.SymList[i]); break; end; 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); begin result:=crealconstnode.create(r,pbestrealtype^); end; function handle_ln_const(r : bestreal) : tnode; begin if r<=0.0 then if floating_point_range_check_error then begin result:=crealconstnode.create(0,pbestrealtype^); CGMessage(type_e_wrong_math_argument) end else begin if r=0.0 then result:=crealconstnode.create(MathNegInf.Value,pbestrealtype^) else result:=crealconstnode.create(MathQNaN.Value,pbestrealtype^) end else result:=crealconstnode.create(ln(r),pbestrealtype^) end; function handle_sqrt_const(r : bestreal) : tnode; begin if r<0.0 then if floating_point_range_check_error then begin result:=crealconstnode.create(0,pbestrealtype^); CGMessage(type_e_wrong_math_argument) end else result:=crealconstnode.create(MathQNaN.Value,pbestrealtype^) else result:=crealconstnode.create(sqrt(r),pbestrealtype^) end; function handle_const_sar : tnode; var vl,vl2 : TConstExprInt; bits,shift: integer; mask : qword; def : tdef; begin result:=nil; if (left.nodetype=ordconstn) or ((left.nodetype=callparan) and (tcallparanode(left).left.nodetype=ordconstn)) then begin if (left.nodetype=callparan) and assigned(tcallparanode(left).right) then begin vl:=tordconstnode(tcallparanode(left).left).value; if forinline then case resultdef.size of 1,2,4: vl:=vl and byte($1f); 8: vl:=vl and byte($3f); else internalerror(2013122303); end; if (tcallparanode(tcallparanode(left).right).left.nodetype=ordconstn) then begin def:=tcallparanode(tcallparanode(left).right).left.resultdef; vl2:=tordconstnode(tcallparanode(tcallparanode(left).right).left).value; end else if vl=0 then begin result:=tcallparanode(tcallparanode(left).right).left; tcallparanode(tcallparanode(left).right).left:=nil; exit; end else exit; end else begin def:=left.resultdef; vl:=1; vl2:=tordconstnode(left).value; end; bits:=def.size*8; shift:=vl.svalue and (bits-1); case bits of 8: mask:=$ff; 16: mask:=$ffff; 32: mask:=$ffffffff; 64: mask:=qword($ffffffffffffffff); else mask:=qword(1 shl bits)-1; end; {$push} {$r-,q-} if shift=0 then result:=cordconstnode.create(vl2.svalue,def,false) else if vl2.svalue<0 then result:=cordconstnode.create(((vl2.svalue shr shift) or (mask shl (bits-shift))) and mask,def,false) else result:=cordconstnode.create((vl2.svalue shr shift) and mask,def,false); {$pop} end else if (left.nodetype=callparan) and assigned(tcallparanode(left).right) and (tcallparanode(tcallparanode(left).right).left.nodetype=ordconstn) then begin def:=tcallparanode(tcallparanode(left).right).left.resultdef; vl2:=tordconstnode(tcallparanode(tcallparanode(left).right).left).value; { sar(0,x) is 0 } { sar32(ffffffff,x) is ffffffff, etc. } if ((vl2=0) or ((resultdef.size=1) and (shortint(vl2.svalue)=-1)) or ((resultdef.size=2) and (smallint(vl2.svalue)=-1)) or ((resultdef.size=4) and (longint(vl2.svalue)=-1)) or ((resultdef.size=8) and (int64(vl2.svalue)=-1))) and ((cs_opt_level4 in current_settings.optimizerswitches) or not might_have_sideeffects(tcallparanode(left).left)) then begin if vl2=0 then result:=cordconstnode.create(0,resultdef,true) else result:=cordconstnode.create(-1,resultdef,true); end; end; end; function handle_const_rox : tnode; var vl,vl2 : TConstExprInt; bits,shift: integer; def : tdef; begin result:=nil; if (left.nodetype=ordconstn) or ((left.nodetype=callparan) and (tcallparanode(left).left.nodetype=ordconstn)) then begin if (left.nodetype=callparan) and assigned(tcallparanode(left).right) then begin vl:=tordconstnode(tcallparanode(left).left).value; if forinline then case resultdef.size of { unlike shifts, for rotates, when masking out the higher bits of the rotate count, we go all the way down to byte, because it doesn't matter, it produces the same result, since it's a rotate } 1: vl:=vl and byte($07); 2: vl:=vl and byte($0f); 4: vl:=vl and byte($1f); 8: vl:=vl and byte($3f); else internalerror(2013122304); end; if (tcallparanode(tcallparanode(left).right).left.nodetype=ordconstn) then begin def:=tcallparanode(tcallparanode(left).right).left.resultdef; vl2:=tordconstnode(tcallparanode(tcallparanode(left).right).left).value; end else if vl=0 then begin result:=tcallparanode(tcallparanode(left).right).left; tcallparanode(tcallparanode(left).right).left:=nil; exit; end else exit; end else begin def:=left.resultdef; vl:=1; vl2:=tordconstnode(left).value; end; bits:=def.size*8; shift:=vl.svalue and (bits-1); {$push} {$r-,q-} if shift=0 then result:=cordconstnode.create(vl2.svalue,def,false) else case inlinenumber of in_ror_x,in_ror_x_y: case def.size of 1: result:=cordconstnode.create(RorByte(Byte(vl2.svalue),shift),def,false); 2: result:=cordconstnode.create(RorWord(Word(vl2.svalue),shift),def,false); 4: result:=cordconstnode.create(RorDWord(DWord(vl2.svalue),shift),def,false); 8: result:=cordconstnode.create(RorQWord(QWord(vl2.svalue),shift),def,false); else internalerror(2011061903); end; in_rol_x,in_rol_x_y: case def.size of 1: result:=cordconstnode.create(RolByte(Byte(vl2.svalue),shift),def,false); 2: result:=cordconstnode.create(RolWord(Word(vl2.svalue),shift),def,false); 4: result:=cordconstnode.create(RolDWord(DWord(vl2.svalue),shift),def,false); 8: result:=cordconstnode.create(RolQWord(QWord(vl2.svalue),shift),def,false); else internalerror(2011061902); end; else internalerror(2011061901); end; {$pop} end else if (left.nodetype=callparan) and assigned(tcallparanode(left).right) and (tcallparanode(tcallparanode(left).right).left.nodetype=ordconstn) then begin def:=tcallparanode(tcallparanode(left).right).left.resultdef; vl2:=tordconstnode(tcallparanode(tcallparanode(left).right).left).value; { rol/ror are unsigned operations, so cut off upper bits } case resultdef.size of 1: vl2:=vl2 and byte($ff); 2: vl2:=vl2 and word($ffff); 4: vl2:=vl2 and dword($ffffffff); 8: vl2:=vl2 and qword($ffffffffffffffff); else internalerror(2017050101); end; { rol(0,x) and ror(0,x) are 0 } { rol32(ffffffff,x) and ror32(ffffffff,x) are ffffffff, etc. } if ((vl2=0) or ((resultdef.size=1) and (vl2=$ff)) or ((resultdef.size=2) and (vl2=$ffff)) or ((resultdef.size=4) and (vl2=$ffffffff)) or ((resultdef.size=8) and (vl2.uvalue=qword($ffffffffffffffff)))) and ((cs_opt_level4 in current_settings.optimizerswitches) or not might_have_sideeffects(tcallparanode(left).left)) then result:=cordconstnode.create(vl2,resultdef,true); end; end; var hp : tnode; vl,vl2 : TConstExprInt; vr : bestreal; begin { simplify } result:=nil; { handle intern constant functions in separate case } if nf_inlineconst in flags then begin { no parameters? } if not assigned(left) then internalerror(200501231) else begin vl:=0; vl2:=0; { second parameter Ex: ptr(vl,vl2) } case left.nodetype of realconstn : begin { Real functions are all handled with internproc below } CGMessage1(type_e_integer_expr_expected,left.resultdef.typename) 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(parser_e_illegal_expression); end; case inlinenumber of in_const_abs : if vl.signed then hp:=create_simplified_ord_const(abs(vl.svalue),resultdef,forinline,false) else hp:=create_simplified_ord_const(vl.uvalue,resultdef,forinline,false); in_const_sqr: if vl.signed then hp:=create_simplified_ord_const(sqr(vl.svalue),resultdef,forinline,false) else hp:=create_simplified_ord_const(sqr(vl.uvalue),resultdef,forinline,false); in_const_odd : hp:=cordconstnode.create(qword(odd(int64(vl))),pasbool1type,true); in_const_swap_word : hp:=cordconstnode.create((vl and $ff) shl 8+(vl shr 8),left.resultdef,true); in_const_swap_long : hp:=cordconstnode.create((vl and $ffff) shl 16+(vl shr 16),left.resultdef,true); in_const_swap_qword : hp:=cordconstnode.create((vl and $ffffffff) shl 32+(vl shr 32),left.resultdef,true); in_const_ptr: begin {Don't construct pointers from negative values.} if (vl.signed and (vl.svalue<0)) or (vl2.signed and (vl2.svalue<0)) then cgmessage(parser_e_range_check_error); {$if defined(i8086)} hp:=cpointerconstnode.create((vl2.uvalue shl 16)+vl.uvalue,voidfarpointertype); {$elseif defined(i386)} hp:=cpointerconstnode.create((vl2.uvalue shl 4)+vl.uvalue,voidnearfspointertype); {$else} hp:=cpointerconstnode.create((vl2.uvalue shl 4)+vl.uvalue,voidpointertype); {$endif} end; in_const_eh_return_data_regno: begin vl:=eh_return_data_regno(vl.svalue); if vl=-1 then CGMessagePos(left.fileinfo,type_e_range_check_error_bounds); hp:=genintconstnode(vl); end; else internalerror(88); end; end; if hp=nil then hp:=cerrornode.create; result:=hp; 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 if left.nodetype=ordconstn then begin case inlinenumber of in_lo_word : result:=cordconstnode.create(tordconstnode(left).value and $ff,u8inttype,true); in_hi_word : result:=cordconstnode.create(tordconstnode(left).value shr 8,u8inttype,true); in_lo_long : result:=cordconstnode.create(tordconstnode(left).value and $ffff,u16inttype,true); in_hi_long : result:=cordconstnode.create(tordconstnode(left).value shr 16,u16inttype,true); in_lo_qword : result:=cordconstnode.create(tordconstnode(left).value and $ffffffff,u32inttype,true); in_hi_qword : result:=cordconstnode.create(tordconstnode(left).value shr 32,u32inttype,true); else internalerror(2019050514); end; end; end; in_ord_x: begin case left.resultdef.typ of orddef : begin case torddef(left.resultdef).ordtype of pasbool1, pasbool8, uchar: begin { change to byte() } result:=ctypeconvnode.create_internal(left,u8inttype); left:=nil; end; pasbool16, uwidechar : begin { change to word() } result:=ctypeconvnode.create_internal(left,u16inttype); left:=nil; end; pasbool32 : begin { change to dword() } result:=ctypeconvnode.create_internal(left,u32inttype); left:=nil; end; pasbool64 : begin { change to qword() } result:=ctypeconvnode.create_internal(left,u64inttype); left:=nil; end; bool8bit: begin { change to shortint() } result:=ctypeconvnode.create_internal(left,s8inttype); left:=nil; end; bool16bit : begin { change to smallint() } result:=ctypeconvnode.create_internal(left,s16inttype); left:=nil; end; bool32bit : begin { change to longint() } result:=ctypeconvnode.create_internal(left,s32inttype); left:=nil; end; bool64bit : begin { change to int64() } result:=ctypeconvnode.create_internal(left,s64inttype); left:=nil; end; uvoid : CGMessage1(type_e_ordinal_expr_expected,left.resultdef.typename); else begin { all other orddef need no transformation } result:=left; left:=nil; end; end; end; enumdef : begin result:=ctypeconvnode.create_internal(left,s32inttype); left:=nil; end; undefineddef : begin { we just create a constant 0 here, that's marked as a parameter } result:=cordconstnode.create(0,s32inttype,false); include(result.flags,nf_generic_para); left:=nil; end; pointerdef : begin if m_mac in current_settings.modeswitches then begin result:=ctypeconvnode.create_internal(left,ptruinttype); left:=nil; end end; else internalerror(2019050513); end; (* if (left.nodetype=ordconstn) then begin result:=cordconstnode.create( tordconstnode(left).value,sinttype,true); end else if (m_mac in current_settings.modeswitches) and (left.ndoetype=pointerconstn) then result:=cordconstnode.create( tpointerconstnode(left).value,ptruinttype,true); *) end; in_chr_byte: begin { convert to explicit char() } result:=ctypeconvnode.create_internal(left,cansichartype); left:=nil; end; in_length_x: begin case left.resultdef.typ of stringdef : begin if (left.nodetype=stringconstn) then begin result:=cordconstnode.create( tstringconstnode(left).len,sinttype,true); end; end; orddef : begin { length of char is always one } if is_char(left.resultdef) or is_widechar(left.resultdef) then begin result:=cordconstnode.create(1,sinttype,false); end end; arraydef : begin if (left.nodetype=stringconstn) then begin result:=cordconstnode.create( tstringconstnode(left).len,sinttype,true); end else if not is_open_array(left.resultdef) and not is_array_of_const(left.resultdef) and not is_dynamic_array(left.resultdef) then result:=cordconstnode.create(tarraydef(left.resultdef).highrange- tarraydef(left.resultdef).lowrange+1, sinttype,true); end; else ; end; end; in_assigned_x: begin if is_constnode(tcallparanode(left).left) or (tcallparanode(left).left.nodetype = pointerconstn) then begin { let an add node figure it out } result:=caddnode.create(unequaln,tcallparanode(left).left,cnilnode.create); tcallparanode(left).left := nil; end; end; in_pred_x, in_succ_x: begin case left.nodetype of ordconstn: begin if inlinenumber=in_succ_x then vl:=tordconstnode(left).value+1 else vl:=tordconstnode(left).value-1; if is_integer(left.resultdef) then { the type of the original integer constant is irrelevant, it should be automatically adapted to the new value (except when inlining) } result:=create_simplified_ord_const(vl,resultdef,forinline,cs_check_range in localswitches) else { check the range for enums, chars, booleans } result:=cordconstnode.create(vl,left.resultdef,not(nf_internal in flags)); result.flags:=result.flags+(flags*[nf_internal]); end; addn, subn: begin { fold succ/pred in child add/sub nodes with a constant if possible: - no overflow/range checking - equal types } if ([cs_check_overflow,cs_check_range]*current_settings.localswitches)=[] then begin if inlinenumber=in_succ_x then vl:=1 else vl:=-1; if (taddnode(left).left.nodetype=ordconstn) and equal_defs(resultdef,taddnode(left).left.resultdef) then begin tordconstnode(taddnode(left).left).value:=tordconstnode(taddnode(left).left).value+vl; result:=left; left:=nil; end else if (taddnode(left).right.nodetype=ordconstn) and equal_defs(resultdef,taddnode(left).right.resultdef) then begin if left.nodetype=subn then tordconstnode(taddnode(left).right).value:=tordconstnode(taddnode(left).right).value-vl else tordconstnode(taddnode(left).right).value:=tordconstnode(taddnode(left).right).value+vl; result:=left; left:=nil; end; end; end; else ; end; end; in_low_x, in_high_x: begin case left.resultdef.typ of orddef, enumdef: begin result:=do_lowhigh(left.resultdef); end; setdef: begin result:=do_lowhigh(tsetdef(left.resultdef).elementdef); end; arraydef: begin if (inlinenumber=in_low_x) then begin result:=cordconstnode.create(int64(tarraydef( left.resultdef).lowrange),tarraydef(left.resultdef).rangedef,true); end else if not is_open_array(left.resultdef) and not is_array_of_const(left.resultdef) and not is_dynamic_array(left.resultdef) then result:=cordconstnode.create(int64(tarraydef(left.resultdef).highrange), tarraydef(left.resultdef).rangedef,true); end; stringdef: begin if inlinenumber=in_low_x then begin if is_dynamicstring(left.resultdef) and not(cs_zerobasedstrings in current_settings.localswitches) then result:=cordconstnode.create(1,u8inttype,false) else result:=cordconstnode.create(0,u8inttype,false); end else if not is_dynamicstring(left.resultdef) then result:=cordconstnode.create(tstringdef(left.resultdef).len,u8inttype,true) end; undefineddef: begin result:=cordconstnode.create(0,u8inttype,false); end; errordef: ; else internalerror(2019050512); end; end; in_exp_real : begin if left.nodetype in [ordconstn,realconstn] then begin result:=crealconstnode.create(exp(getconstrealvalue),pbestrealtype^); if (trealconstnode(result).value_real=MathInf.Value) and floating_point_range_check_error then begin result:=crealconstnode.create(0,pbestrealtype^); CGMessage(parser_e_range_check_error); end; end end; in_trunc_real : begin if left.nodetype in [ordconstn,realconstn] then begin vr:=getconstrealvalue; if (vr>=9223372036854775807.99) or (vr<=-9223372036854775808.0) then begin message3(type_e_range_check_error_bounds,realtostr(vr),'-9223372036854775808.0','9223372036854775807.99..'); result:=cordconstnode.create(1,s64inttype,false) end else result:=cordconstnode.create(trunc(vr),s64inttype,true) end end; in_round_real : begin { can't evaluate while inlining, may depend on fpu setting } if (not forinline) and (left.nodetype in [ordconstn,realconstn]) then begin vr:=getconstrealvalue; if (vr>=9223372036854775807.5) or (vr<=-9223372036854775808.5) then begin message3(type_e_range_check_error_bounds,realtostr(vr),'-9223372036854775808.49..','9223372036854775807.49..'); result:=cordconstnode.create(1,s64inttype,false) end else result:=cordconstnode.create(round(vr),s64inttype,true) end end; in_frac_real : begin if left.nodetype in [ordconstn,realconstn] then setconstrealvalue(frac(getconstrealvalue)) end; in_int_real : begin if left.nodetype in [ordconstn,realconstn] then setconstrealvalue(int(getconstrealvalue)); end; in_pi_real : begin if block_type=bt_const then setconstrealvalue(getpi) end; in_cos_real : begin if left.nodetype in [ordconstn,realconstn] then setconstrealvalue(cos(getconstrealvalue)) end; in_sin_real : begin if left.nodetype in [ordconstn,realconstn] then setconstrealvalue(sin(getconstrealvalue)) end; in_arctan_real : begin if left.nodetype in [ordconstn,realconstn] then setconstrealvalue(arctan(getconstrealvalue)) end; in_abs_real : begin if left.nodetype in [ordconstn,realconstn] then setconstrealvalue(abs(getconstrealvalue)) end; in_abs_long: begin if left.nodetype=ordconstn then begin if tordconstnode(left).value<0 then result:=cordconstnode.create((-tordconstnode(left).value),resultdef,false) else result:=cordconstnode.create((tordconstnode(left).value),resultdef,false); end end; in_sqr_real : begin if left.nodetype in [ordconstn,realconstn] then setconstrealvalue(sqr(getconstrealvalue)) end; in_sqrt_real : begin if left.nodetype in [ordconstn,realconstn] then result:=handle_sqrt_const(getconstrealvalue); end; in_ln_real : begin if left.nodetype in [ordconstn,realconstn] then result:=handle_ln_const(getconstrealvalue); end; in_assert_x_y : begin if not(cs_do_assertion in current_settings.localswitches) then { we need a valid node, so insert a nothingn } result:=cnothingnode.create; end; in_sar_x, in_sar_x_y : begin result:=handle_const_sar; end; in_rol_x, in_rol_x_y, in_ror_x, in_ror_x_y : result:=handle_const_rox; in_bsf_x: begin if left.nodetype=ordconstn then begin case left.resultdef.size of 1: result:=cordconstnode.create(BsfByte(Byte(tordconstnode(left).value.uvalue)),resultdef,false); 2: result:=cordconstnode.create(BsfWord(Word(tordconstnode(left).value.uvalue)),resultdef,false); 4: result:=cordconstnode.create(BsfDWord(DWord(tordconstnode(left).value.uvalue)),resultdef,false); 8: result:=cordconstnode.create(BsfQWord(QWord(tordconstnode(left).value.uvalue)),resultdef,false); else internalerror(2017042401); end; end; end; in_bsr_x : begin if left.nodetype=ordconstn then begin case left.resultdef.size of 1: result:=cordconstnode.create(BsrByte(Byte(tordconstnode(left).value.uvalue)),resultdef,false); 2: result:=cordconstnode.create(BsrWord(Word(tordconstnode(left).value.uvalue)),resultdef,false); 4: result:=cordconstnode.create(BsrDWord(DWord(tordconstnode(left).value.uvalue)),resultdef,false); 8: result:=cordconstnode.create(BsrQWord(QWord(tordconstnode(left).value.uvalue)),resultdef,false); else internalerror(2017042402); end; end; end; in_popcnt_x : begin if left.nodetype=ordconstn then begin result:=cordconstnode.create(PopCnt(tordconstnode(left).value),resultdef,false); end; end; else ; end; end; end; function tinlinenode.pass_typecheck:tnode; type tfloattypeset = set of tfloattype; function removefloatupcasts(var p: tnode; const floattypes: tfloattypeset): tdef; var hnode: tnode; begin { System unit declares internal functions like this: function foo(x: valreal): valreal; [internproc: number]; Calls to such functions are initially processed by callnode, which typechecks the arguments, possibly inserting conversion to valreal. To handle smaller types without excess precision, we need to remove these extra typecasts. } if (p.nodetype=typeconvn) and (ttypeconvnode(p).left.resultdef.typ=floatdef) and (p.flags*[nf_explicit,nf_internal]=[]) and (tfloatdef(ttypeconvnode(p).left.resultdef).floattype in (floattypes*[s32real,s64real,s80real,sc80real,s128real])) then begin hnode:=ttypeconvnode(p).left; ttypeconvnode(p).left:=nil; p.free; p:=hnode; result:=p.resultdef; end else if (p.nodetype=typeconvn) and (p.flags*[nf_explicit,nf_internal]=[]) and (ttypeconvnode(p).left.resultdef.typ=floatdef) and (tfloatdef(ttypeconvnode(p).left.resultdef).floattype in (floattypes*[s64currency,s64comp])) then begin hnode:=ttypeconvnode(p).left; ttypeconvnode(p).left:=nil; p.free; p:=hnode; if is_currency(p.resultdef) then begin if (nf_is_currency in p.flags) and (p.nodetype=slashn) and (taddnode(p).right.nodetype=realconstn) and (trealconstnode(taddnode(p).right).value_real=10000.0) and not(nf_is_currency in taddnode(p).left.flags) then begin hnode:=taddnode(p).left; taddnode(p).left:=nil; p.free; p:=hnode; end; end; result:=p.resultdef; end { in case the system helper was declared with overloads for different types, keep those } else if (p.resultdef.typ=floatdef) and (tfloatdef(p.resultdef).floattype in (floattypes*[s32real,s64real,s80real,sc80real,s128real])) then result:=p.resultdef else begin { for variant parameters; the rest has been converted by the call node already } if not(p.nodetype in [ordconstn,realconstn]) then inserttypeconv(P,pbestrealtype^); result:=p.resultdef end; end; procedure handle_pack_unpack; var source, target, index: tcallparanode; unpackedarraydef, packedarraydef: tarraydef; tempindex: TConstExprInt; begin resultdef:=voidtype; unpackedarraydef := nil; packedarraydef := nil; source := tcallparanode(left); if (inlinenumber = in_unpack_x_y_z) then begin target := tcallparanode(source.right); index := tcallparanode(target.right); { source must be a packed array } if not is_packed_array(source.left.resultdef) then CGMessagePos2(source.left.fileinfo,type_e_got_expected_packed_array,'1',source.left.resultdef.typename) else packedarraydef := tarraydef(source.left.resultdef); { target can be any kind of array, as long as it's not packed } if (target.left.resultdef.typ <> arraydef) or is_packed_array(target.left.resultdef) then CGMessagePos2(target.left.fileinfo,type_e_got_expected_unpacked_array,'2',target.left.resultdef.typename) else unpackedarraydef := tarraydef(target.left.resultdef); end else begin index := tcallparanode(source.right); target := tcallparanode(index.right); { source can be any kind of array, as long as it's not packed } if (source.left.resultdef.typ <> arraydef) or is_packed_array(source.left.resultdef) then CGMessagePos2(source.left.fileinfo,type_e_got_expected_unpacked_array,'1',source.left.resultdef.typename) else unpackedarraydef := tarraydef(source.left.resultdef); { target must be a packed array } if not is_packed_array(target.left.resultdef) then CGMessagePos2(target.left.fileinfo,type_e_got_expected_packed_array,'3',target.left.resultdef.typename) else packedarraydef := tarraydef(target.left.resultdef); end; if assigned(unpackedarraydef) then begin { index must be compatible with the unpacked array's indextype } inserttypeconv(index.left,unpackedarraydef.rangedef); { range check at compile time if possible } if assigned(packedarraydef) and (index.left.nodetype = ordconstn) and not is_special_array(unpackedarraydef) then begin adaptrange(unpackedarraydef,tordconstnode(index.left).value,false,false,cs_check_range in current_settings.localswitches); tempindex := tordconstnode(index.left).value + packedarraydef.highrange-packedarraydef.lowrange; adaptrange(unpackedarraydef,tempindex,false,false,cs_check_range in current_settings.localswitches); end; end; { source array is read and must be valid } set_varstate(source.left,vs_read,[vsf_must_be_valid]); { target array is written } valid_for_assignment(target.left,true); set_varstate(target.left,vs_written,[]); { index in the unpacked array is read and must be valid } set_varstate(index.left,vs_read,[vsf_must_be_valid]); { if the size of the arrays is 0 (array of empty records), } { do nothing } if (source.resultdef.size = 0) then result:=cnothingnode.create; end; function handle_objc_encode: tnode; var encodedtype: ansistring; errordef: tdef; begin encodedtype:=''; if not objctryencodetype(left.resultdef,encodedtype,errordef) then Message1(type_e_objc_type_unsupported,errordef.typename); result:=cstringconstnode.createpchar(ansistring2pchar(encodedtype),length(encodedtype),nil); end; var hightree, hp : tnode; temp_pnode: pnode; begin result:=nil; { when handling writeln "left" contains no valid address } if assigned(left) then begin if left.nodetype=callparan then tcallparanode(left).get_paratype else typecheckpass(left); end; if not(nf_inlineconst in flags) then 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_tp7 in current_settings.modeswitches) or (m_delphi in current_settings.modeswitches)) then CGMessage(type_w_maybe_wrong_hi_lo); set_varstate(left,vs_read,[vsf_must_be_valid]); if not is_integer(left.resultdef) then CGMessage1(type_e_integer_expr_expected,left.resultdef.typename); case inlinenumber of in_lo_word, in_hi_word : resultdef:=u8inttype; in_lo_long, in_hi_long : resultdef:=u16inttype; in_lo_qword, in_hi_qword : resultdef:=u32inttype; else ; end; end; in_sizeof_x: begin { the constant evaluation of in_sizeof_x happens in pexpr where possible, though for generics it can reach here as well } set_varstate(left,vs_read,[]); if (left.resultdef.typ<>undefineddef) and assigned(current_procinfo) and paramanager.push_high_param(vs_value,left.resultdef,current_procinfo.procdef.proccalloption) then begin { this should be an open array or array of const, both of which can only be simple load nodes of parameters } if left.nodetype<>loadn then internalerror(2014120701); hightree:=load_high_value_node(tparavarsym(tloadnode(left).symtableentry)); if assigned(hightree) then begin hp:=caddnode.create(addn,hightree, cordconstnode.create(1,sizesinttype,false)); if (left.resultdef.typ=arraydef) then if not is_packed_array(tarraydef(left.resultdef)) then begin if (tarraydef(left.resultdef).elesize<>1) then hp:=caddnode.create(muln,hp,cordconstnode.create(tarraydef( left.resultdef).elesize,sizesinttype,true)); end else if (tarraydef(left.resultdef).elepackedbitsize <> 8) then begin { no packed open array support yet } if (hp.nodetype <> ordconstn) then internalerror(2006081511); hp.free; hp := cordconstnode.create(left.resultdef.size,sizesinttype,true); { hp:= ctypeconvnode.create_explicit(sizesinttype, cmoddivnode.create(divn, caddnode.create(addn, caddnode.create(muln,hp,cordconstnode.create(tarraydef( left.resultdef).elepackedbitsize,s64inttype,true)), cordconstnode.create(a,s64inttype,true)), cordconstnode.create(8,s64inttype,true)), sizesinttype); } end; result:=hp; end; end else resultdef:=sizesinttype; end; in_typeof_x: begin if target_info.system in systems_managed_vm then message(parser_e_feature_unsupported_for_vm); typecheckpass(left); set_varstate(left,vs_read,[]); if (left.resultdef.typ=objectdef) and not(oo_has_vmt in tobjectdef(left.resultdef).objectoptions) then message(type_e_typeof_requires_vmt); resultdef:=voidpointertype; end; in_ord_x: begin set_varstate(left,vs_read,[vsf_must_be_valid]); case left.resultdef.typ of orddef, enumdef, undefineddef : ; pointerdef : begin if not(m_mac in current_settings.modeswitches) then CGMessage1(type_e_ordinal_expr_expected,left.resultdef.typename); end else CGMessage1(type_e_ordinal_expr_expected,left.resultdef.typename); end; end; in_chr_byte: begin set_varstate(left,vs_read,[vsf_must_be_valid]); end; in_length_x: begin if ((left.resultdef.typ=arraydef) and (not is_special_array(left.resultdef) or is_open_array(left.resultdef))) or (left.resultdef.typ=orddef) then set_varstate(left,vs_read,[]) else set_varstate(left,vs_read,[vsf_must_be_valid]); case left.resultdef.typ of variantdef: begin inserttypeconv(left,getansistringdef); end; stringdef : begin { we don't need string convertions here, } { except if from widestring to ansistring } { and vice versa (that can change the } { length) } if (left.nodetype=typeconvn) and (ttypeconvnode(left).left.resultdef.typ=stringdef) and not(is_wide_or_unicode_string(left.resultdef) xor is_wide_or_unicode_string(ttypeconvnode(left).left.resultdef)) then begin hp:=ttypeconvnode(left).left; ttypeconvnode(left).left:=nil; left.free; left:=hp; end; end; orddef : begin { will be handled in simplify } if not is_char(left.resultdef) and not is_widechar(left.resultdef) then CGMessage(type_e_mismatch); end; pointerdef : begin if is_pchar(left.resultdef) then begin hp := ccallparanode.create(left,nil); result := ccallnode.createintern('fpc_pchar_length',hp); { make sure the left node doesn't get disposed, since it's } { reused in the new node (JM) } left:=nil; exit; end else if is_pwidechar(left.resultdef) then begin hp := ccallparanode.create(left,nil); result := ccallnode.createintern('fpc_pwidechar_length',hp); { make sure the left node doesn't get disposed, since it's } { reused in the new node (JM) } left:=nil; exit; end else CGMessage(type_e_mismatch); end; arraydef : begin if is_open_array(left.resultdef) or is_array_of_const(left.resultdef) then begin hightree:=load_high_value_node(tparavarsym(tloadnode(left).symtableentry)); if assigned(hightree) then result:=caddnode.create(addn,hightree, cordconstnode.create(1,sinttype,false)); exit; end { Length() for dynamic arrays is inlined } else begin { will be handled in simplify } end; end; undefineddef : begin if not (df_generic in current_procinfo.procdef.defoptions) then CGMessage(type_e_mismatch); { otherwise nothing } end; else CGMessage(type_e_mismatch); end; { shortstring return an 8 bit value as the length is the first byte of the string } if is_shortstring(left.resultdef) then resultdef:=u8inttype else resultdef:=ossinttype; end; in_typeinfo_x: begin if target_info.system in systems_managed_vm then message(parser_e_feature_unsupported_for_vm); if (left.resultdef.typ=enumdef) and (tenumdef(left.resultdef).has_jumps) and ( (left.nodetype<>typen) or not (sp_generic_para in ttypenode(left).typesym.symoptions) ) then CGMessage(type_e_no_type_info); set_varstate(left,vs_read,[vsf_must_be_valid]); resultdef:=voidpointertype; end; in_gettypekind_x: begin if target_info.system in systems_managed_vm then message(parser_e_feature_unsupported_for_vm); set_varstate(left,vs_read,[vsf_must_be_valid]); resultdef:=typekindtype; end; in_ismanagedtype_x: begin if target_info.system in systems_managed_vm then message(parser_e_feature_unsupported_for_vm); set_varstate(left,vs_read,[vsf_must_be_valid]); resultdef:=pasbool1type; end; in_isconstvalue_x: begin set_varstate(left,vs_read,[vsf_must_be_valid]); resultdef:=pasbool1type; end; in_assigned_x: begin { the parser has already made sure the expression is valid } { in case of a complex procvar, only check the "code" pointer } if (tcallparanode(left).left.resultdef.typ=procvardef) and not tprocvardef(tcallparanode(left).left.resultdef).is_addressonly then begin inserttypeconv_explicit(tcallparanode(left).left,search_system_type('TMETHOD').typedef); tcallparanode(left).left:=csubscriptnode.create(tsym(tabstractrecorddef(tcallparanode(left).left.resultdef).symtable.find('CODE')),tcallparanode(left).left); tcallparanode(left).get_paratype; end; { Postpone conversion into addnode until firstpass, so targets may override first_assigned and insert specific code. } set_varstate(tcallparanode(left).left,vs_read,[vsf_must_be_valid]); resultdef:=pasbool1type; end; in_ofs_x : internalerror(2000101001); in_seg_x : begin result := typecheck_seg; end; in_pred_x, in_succ_x: begin set_varstate(left,vs_read,[vsf_must_be_valid]); resultdef:=left.resultdef; if is_ordinal(resultdef) or is_typeparam(resultdef) then begin if (resultdef.typ=enumdef) and (tenumdef(resultdef).has_jumps) and not(m_delphi in current_settings.modeswitches) and not(nf_internal in flags) then CGMessage(type_e_succ_and_pred_enums_with_assign_not_possible); end else CGMessage(type_e_ordinal_expr_expected) end; in_copy_x: result:=handle_copy; in_initialize_x, in_finalize_x: begin { inlined from pinline } internalerror(200204231); end; in_setlength_x: begin result:=handle_setlength; end; in_inc_x, in_dec_x: begin resultdef:=voidtype; if not(df_generic in current_procinfo.procdef.defoptions) then begin if assigned(left) then begin { first param must be var } valid_for_var(tcallparanode(left).left,true); set_varstate(tcallparanode(left).left,vs_readwritten,[vsf_must_be_valid]); if (left.resultdef.typ in [enumdef,pointerdef]) or is_ordinal(left.resultdef) or is_currency(left.resultdef) then begin { value of left gets changed -> must be unique } set_unique(tcallparanode(left).left); { two paras ? } if assigned(tcallparanode(left).right) then begin if is_integer(tcallparanode(left).right.resultdef) then begin set_varstate(tcallparanode(tcallparanode(left).right).left,vs_read,[vsf_must_be_valid]); { when range/overflow checking is on, we convert this to a regular add, and for proper checking we need the original type } if ([cs_check_range,cs_check_overflow]*current_settings.localswitches=[]) then if (tcallparanode(left).left.resultdef.typ=pointerdef) then begin { don't convert values added to pointers into the pointer types themselves, because that will turn signed values into unsigned ones, which then goes wrong when they have to be multiplied with the size of the elements to which the pointer points in ncginl (mantis #17342) } if is_signed(tcallparanode(tcallparanode(left).right).left.resultdef) then inserttypeconv(tcallparanode(tcallparanode(left).right).left,tpointerdef(tcallparanode(left).left.resultdef).pointer_arithmetic_int_type) else inserttypeconv(tcallparanode(tcallparanode(left).right).left,tpointerdef(tcallparanode(left).left.resultdef).pointer_arithmetic_uint_type) end else if is_integer(tcallparanode(left).left.resultdef) then inserttypeconv(tcallparanode(tcallparanode(left).right).left,tcallparanode(left).left.resultdef) else inserttypeconv_internal(tcallparanode(tcallparanode(left).right).left,tcallparanode(left).left.resultdef); if assigned(tcallparanode(tcallparanode(left).right).right) then { should be handled in the parser (JM) } internalerror(2006020901); end else CGMessagePos(tcallparanode(left).right.fileinfo,type_e_ordinal_expr_expected); end; end { generic type parameter? } else if is_typeparam(left.resultdef) then begin result:=cnothingnode.create; exit; end else begin hp:=self; if isunaryoverloaded(hp,[]) then begin { inc(rec) and dec(rec) assigns result value to argument } result:=cassignmentnode.create(tcallparanode(left).left.getcopy,hp); exit; end else CGMessagePos(left.fileinfo,type_e_ordinal_expr_expected); end; end else CGMessagePos(fileinfo,type_e_mismatch); end; end; in_and_assign_x_y, in_or_assign_x_y, in_xor_assign_x_y, in_sar_assign_x_y, in_shl_assign_x_y, in_shr_assign_x_y, in_rol_assign_x_y, in_ror_assign_x_y: begin resultdef:=voidtype; if not(df_generic in current_procinfo.procdef.defoptions) then begin { first parameter must exist } if not assigned(left) or (left.nodetype<>callparan) then internalerror(2017032501); { second parameter must exist } if not assigned(tcallparanode(left).right) or (tcallparanode(left).right.nodetype<>callparan) then internalerror(2017032502); { third parameter must NOT exist } if assigned(tcallparanode(tcallparanode(left).right).right) then internalerror(2017032503); valid_for_var(tcallparanode(tcallparanode(left).right).left,true); set_varstate(tcallparanode(tcallparanode(left).right).left,vs_readwritten,[vsf_must_be_valid]); if is_integer(tcallparanode(left).right.resultdef) then begin { value of right gets changed -> must be unique } set_unique(tcallparanode(tcallparanode(left).right).left); if is_integer(left.resultdef) then begin set_varstate(tcallparanode(left).left,vs_read,[vsf_must_be_valid]); { these nodes shouldn't be created, when range checking is on } if [cs_check_range,cs_check_overflow]*localswitches<>[] then internalerror(2017032701); if inlinenumber in [in_sar_assign_x_y,in_shl_assign_x_y,in_shr_assign_x_y,in_rol_assign_x_y,in_ror_assign_x_y] then inserttypeconv(tcallparanode(left).left,sinttype) else inserttypeconv(tcallparanode(left).left,tcallparanode(tcallparanode(left).right).left.resultdef); end else CGMessagePos(left.fileinfo,type_e_ordinal_expr_expected); end { generic type parameter? } else if is_typeparam(tcallparanode(left).right.resultdef) then begin result:=cnothingnode.create; exit; end else CGMessagePos(tcallparanode(left).right.fileinfo,type_e_ordinal_expr_expected); end; end; in_neg_assign_x, in_not_assign_x: begin resultdef:=voidtype; if not(df_generic in current_procinfo.procdef.defoptions) then begin valid_for_var(left,true); set_varstate(left,vs_readwritten,[vsf_must_be_valid]); if is_integer(left.resultdef) then begin { value of left gets changed -> must be unique } set_unique(left); { these nodes shouldn't be created, when range checking is on } if [cs_check_range,cs_check_overflow]*current_settings.localswitches<>[] then internalerror(2017040703); end { generic type parameter? } else if is_typeparam(left.resultdef) then begin result:=cnothingnode.create; exit; end else CGMessagePos(left.fileinfo,type_e_ordinal_expr_expected); end; end; in_read_x, in_readln_x, in_readstr_x, in_write_x, in_writeln_x, in_writestr_x : begin result := handle_read_write; end; in_settextbuf_file_x : begin if target_info.system in systems_managed_vm then message(parser_e_feature_unsupported_for_vm); resultdef:=voidtype; { now we know the type of buffer } hp:=ccallparanode.create(cordconstnode.create( tcallparanode(left).left.resultdef.size,s32inttype,true),left); result:=ccallnode.createintern('SETTEXTBUF',hp); left:=nil; end; { the firstpass of the arg has been done in firstcalln ? } in_reset_typedfile, in_rewrite_typedfile, in_reset_typedfile_name, in_rewrite_typedfile_name : begin result := handle_reset_rewrite_typed; end; in_str_x_string : begin result:=handle_str; end; in_val_x : begin result:=handle_val; end; in_include_x_y, in_exclude_x_y: begin resultdef:=voidtype; { the parser already checks whether we have two (and exactly two) } { parameters (JM) } { first param must be var } valid_for_var(tcallparanode(left).left,true); set_varstate(tcallparanode(left).left,vs_readwritten,[vsf_must_be_valid]); { check type } if (left.resultdef.typ=setdef) then begin { insert a type conversion } { to the type of the set elements } set_varstate(tcallparanode(tcallparanode(left).right).left,vs_read,[vsf_must_be_valid]); inserttypeconv(tcallparanode(tcallparanode(left).right).left, tsetdef(left.resultdef).elementdef); end else if left.resultdef.typ<>undefineddef then CGMessage(type_e_mismatch); end; in_pack_x_y_z, in_unpack_x_y_z : begin handle_pack_unpack; end; in_slice_x: begin if target_info.system in systems_managed_vm then message(parser_e_feature_unsupported_for_vm); result:=nil; resultdef:=tcallparanode(left).left.resultdef; if (resultdef.typ <> arraydef) then CGMessagePos(left.fileinfo,type_e_mismatch) else if is_packed_array(resultdef) then CGMessagePos2(left.fileinfo,type_e_got_expected_unpacked_array,'1',resultdef.typename); if not(is_integer(tcallparanode(tcallparanode(left).right).left.resultdef)) then CGMessagePos1(tcallparanode(left).right.fileinfo, type_e_integer_expr_expected, tcallparanode(tcallparanode(left).right).left.resultdef.typename); end; in_new_x: resultdef:=left.resultdef; in_low_x, in_high_x: begin case left.resultdef.typ of undefineddef, orddef, enumdef, setdef: ; arraydef: begin if (inlinenumber=in_low_x) then set_varstate(left,vs_read,[]) else begin if is_open_array(left.resultdef) or is_array_of_const(left.resultdef) then begin set_varstate(left,vs_read,[]); result:=load_high_value_node(tparavarsym(tloadnode(left).symtableentry)); end else begin set_varstate(left,vs_read,[]); resultdef:=sizesinttype; end; end; end; stringdef: begin if inlinenumber=in_low_x then begin set_varstate(left,vs_read,[]); end else begin if is_open_string(left.resultdef) then begin set_varstate(left,vs_read,[]); result:=load_high_value_node(tparavarsym(tloadnode(left).symtableentry)) end else if is_dynamicstring(left.resultdef) then begin result:=cinlinenode.create(in_length_x,false,left); if cs_zerobasedstrings in current_settings.localswitches then result:=caddnode.create(subn,result,cordconstnode.create(1,sinttype,false)); { make sure the left node doesn't get disposed, since it's } { reused in the new node (JM) } left:=nil; end end; end; else CGMessage(type_e_mismatch); end; end; in_exp_real, in_frac_real, in_int_real, in_cos_real, in_sin_real, in_arctan_real, in_ln_real : begin { on the Z80, the double result is returned in a var param, because it's too big to fit in registers. In that case we have 2 parameters and left.nodetype is a callparan. } if left.nodetype = callparan then temp_pnode := @tcallparanode(left).left else temp_pnode := @left; set_varstate(temp_pnode^,vs_read,[vsf_must_be_valid]); { converting an int64 to double on platforms without } { extended can cause precision loss } if not(temp_pnode^.nodetype in [ordconstn,realconstn]) then inserttypeconv(temp_pnode^,pbestrealtype^); resultdef:=pbestrealtype^; end; in_trunc_real, in_round_real : begin { on i8086, the int64 result is returned in a var param, because it's too big to fit in a register or a pair of registers. In that case we have 2 parameters and left.nodetype is a callparan. } if left.nodetype=callparan then temp_pnode:=@tcallparanode(left).left else temp_pnode:=@left; set_varstate(temp_pnode^,vs_read,[vsf_must_be_valid]); { on platforms where comp and currency are "type int64", this is handled via inlined system helpers (-> no need for special handling of s64currency/s64comp for them) } if inlinenumber=in_trunc_real then removefloatupcasts(temp_pnode^,[s32real,s64real,s80real,sc80real,s128real,s64currency,s64comp]) else removefloatupcasts(temp_pnode^,[s32real,s64real,s80real,sc80real,s128real,s64comp]); if (inlinenumber=in_trunc_real) and is_currency(temp_pnode^.resultdef) then begin result:=cmoddivnode.create(divn,ctypeconvnode.create_internal(temp_pnode^.getcopy,s64inttype),genintconstnode(10000)); exit; end else if is_fpucomp(temp_pnode^.resultdef) then begin result:=ctypeconvnode.create_internal(temp_pnode^.getcopy,s64inttype); exit; end; resultdef:=s64inttype; end; in_pi_real : begin resultdef:=pbestrealtype^; end; in_abs_long: begin set_varstate(left,vs_read,[vsf_must_be_valid]); resultdef:=left.resultdef; end; in_abs_real, in_sqr_real, in_sqrt_real : begin { on the Z80, the double result is returned in a var param, because it's too big to fit in registers. In that case we have 2 parameters and left.nodetype is a callparan. } if left.nodetype = callparan then temp_pnode := @tcallparanode(left).left else temp_pnode := @left; set_varstate(temp_pnode^,vs_read,[vsf_must_be_valid]); resultdef:=removefloatupcasts(temp_pnode^,[s32real,s64real,s80real,sc80real,s128real]); end; {$ifdef SUPPORT_MMX} in_mmx_pcmpeqb..in_mmx_pcmpgtw: begin end; {$endif SUPPORT_MMX} in_aligned_x, in_unaligned_x: begin resultdef:=left.resultdef; end; in_volatile_x: begin resultdef:=left.resultdef; { volatile only makes sense if the value is in memory } make_not_regable(left,[ra_addr_regable]); end; in_assert_x_y : begin resultdef:=voidtype; if assigned(left) then begin set_varstate(tcallparanode(left).left,vs_read,[vsf_must_be_valid]); { check type } if is_boolean(left.resultdef) or ( (left.resultdef.typ=undefineddef) and (df_generic in current_procinfo.procdef.defoptions) ) then begin set_varstate(tcallparanode(tcallparanode(left).right).left,vs_read,[vsf_must_be_valid]); { must always be a string } inserttypeconv(tcallparanode(tcallparanode(left).right).left,cshortstringtype); end else CGMessage1(type_e_boolean_expr_expected,left.resultdef.typename); end else CGMessage(type_e_mismatch); if (cs_do_assertion in current_settings.localswitches) then include(current_procinfo.flags,pi_do_call); end; in_prefetch_var: resultdef:=voidtype; in_get_frame, in_get_caller_frame, in_get_caller_addr: begin resultdef:=voidpointertype; end; in_rol_x, in_ror_x, in_sar_x: begin set_varstate(left,vs_read,[vsf_must_be_valid]); resultdef:=left.resultdef; end; in_rol_x_y, in_ror_x_y, in_sar_x_y: begin set_varstate(tcallparanode(left).left,vs_read,[vsf_must_be_valid]); set_varstate(tcallparanode(tcallparanode(left).right).left,vs_read,[vsf_must_be_valid]); resultdef:=tcallparanode(tcallparanode(left).right).left.resultdef; end; in_bsf_x, in_bsr_x: begin set_varstate(left,vs_read,[vsf_must_be_valid]); if not is_integer(left.resultdef) then CGMessage1(type_e_integer_expr_expected,left.resultdef.typename); if torddef(left.resultdef).ordtype in [u64bit, s64bit] then resultdef:=u64inttype else resultdef:=u32inttype end; in_popcnt_x: begin set_varstate(left,vs_read,[vsf_must_be_valid]); if not is_integer(left.resultdef) then CGMessage1(type_e_integer_expr_expected,left.resultdef.typename); resultdef:=left.resultdef; end; in_objc_selector_x: begin result:=cobjcselectornode.create(left); { reused } left:=nil; end; in_objc_protocol_x: begin result:=cobjcprotocolnode.create(left); { reused } left:=nil; end; in_objc_encode_x: begin result:=handle_objc_encode; end; in_default_x: begin result:=handle_default; end; in_box_x: begin result:=handle_box; end; in_unbox_x_y: begin result:=handle_unbox; end; in_fma_single, in_fma_double, in_fma_extended, in_fma_float128: begin set_varstate(tcallparanode(left).left,vs_read,[vsf_must_be_valid]); set_varstate(tcallparanode(tcallparanode(left).right).left,vs_read,[vsf_must_be_valid]); set_varstate(tcallparanode(tcallparanode(tcallparanode(left).right).right).left,vs_read,[vsf_must_be_valid]); resultdef:=tcallparanode(left).left.resultdef; end; in_max_longint, in_max_dword, in_min_longint, in_min_dword, in_max_single, in_max_double, in_min_single, in_min_double: begin set_varstate(tcallparanode(left).left,vs_read,[vsf_must_be_valid]); set_varstate(tcallparanode(tcallparanode(left).right).left,vs_read,[vsf_must_be_valid]); resultdef:=tcallparanode(left).left.resultdef; end; in_delete_x_y_z: begin result:=handle_delete; end; in_insert_x_y_z: begin result:=handle_insert; end; in_concat_x: begin result:=handle_concat; end; else result:=pass_typecheck_cpu; end; end; if not assigned(result) and not codegenerror then result:=simplify(false); end; function tinlinenode.pass_typecheck_cpu : tnode; begin Result:=nil; internalerror(2017110102); end; function tinlinenode.pass_1 : tnode; var hp: tnode; shiftconst: longint; objdef: tobjectdef; sym : tsym; 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 else firstpass(left); end; { 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 shiftconst := 0; case inlinenumber of in_hi_qword: shiftconst := 32; in_hi_long: shiftconst := 16; in_hi_word: shiftconst := 8; else ; end; if shiftconst <> 0 then result := ctypeconvnode.create_internal(cshlshrnode.create(shrn,left, cordconstnode.create(shiftconst,sinttype,false)),resultdef) else result := ctypeconvnode.create_internal(left,resultdef); left := nil; firstpass(result); end; in_sizeof_x, in_typeof_x: begin expectloc:=LOC_REGISTER; case left.resultdef.typ of objectdef,classrefdef: begin if left.resultdef.typ=objectdef then begin result:=cloadvmtaddrnode.create(left); objdef:=tobjectdef(left.resultdef); end else begin result:=left; objdef:=tobjectdef(tclassrefdef(left.resultdef).pointeddef); end; left:=nil; if inlinenumber=in_sizeof_x then begin inserttypeconv_explicit(result,cpointerdef.getreusable(objdef.vmt_def)); result:=cderefnode.create(result); result:=genloadfield(result,'VINSTANCESIZE'); end else inserttypeconv_explicit(result,voidpointertype); end; undefineddef: ; else internalerror(2015122702); end; end; in_length_x: begin result:=first_length; end; in_typeinfo_x: begin if (left.resultdef.typ=enumdef) and (tenumdef(left.resultdef).has_jumps) then begin if (left.nodetype=typen) and (sp_generic_para in ttypenode(left).typesym.symoptions) then result:=cnilnode.create else internalerror(2021032601); end else result:=caddrnode.create_internal( crttinode.create(tstoreddef(left.resultdef),fullrtti,rdt_normal) ); end; in_gettypekind_x: begin sym:=tenumdef(typekindtype).int2enumsym(get_typekind(left.resultdef)); if not assigned(sym) then internalerror(2017081101); if sym.typ<>enumsym then internalerror(2017081102); result:=genenumnode(tenumsym(sym)); end; in_ismanagedtype_x: begin if left.resultdef.needs_inittable then result:=cordconstnode.create(1,resultdef,false) else result:=cordconstnode.create(0,resultdef,false); end; in_isconstvalue_x: begin if is_constnode(left) then result:=cordconstnode.create(1,resultdef,false) else result:=cordconstnode.create(0,resultdef,false); end; in_assigned_x: begin result:=first_assigned; end; in_pred_x, in_succ_x: begin expectloc:=LOC_REGISTER; { in case of range/overflow checking, use a regular addnode because it's too complex to handle correctly otherwise } {$ifndef jvm} { enums are class instances in the JVM -> always need conversion } if (([cs_check_overflow,cs_check_range]*current_settings.localswitches)<>[]) and not(nf_internal in flags) then {$endif} begin { create constant 1 } hp:=cordconstnode.create(1,left.resultdef,false); typecheckpass(hp); if not is_integer(hp.resultdef) then inserttypeconv_internal(hp,sinttype); { avoid type errors from the addn/subn } if not is_integer(left.resultdef) then inserttypeconv_internal(left,sinttype); { addition/substraction depending on succ/pred } if inlinenumber=in_succ_x then hp:=caddnode.create(addn,left,hp) else hp:=caddnode.create(subn,left,hp); { the condition above is not tested for jvm, so we need to avoid overflow checks here by setting nf_internal for the add/sub node as well } if nf_internal in flags then include(hp.flags,nf_internal); { assign result of addition } if not(is_integer(resultdef)) then inserttypeconv(hp,corddef.create( {$ifdef cpu64bitaddr} s64bit, {$else cpu64bitaddr} s32bit, {$endif cpu64bitaddr} get_min_value(resultdef), get_max_value(resultdef), true)) else inserttypeconv(hp,resultdef); if nf_internal in flags then include(hp.flags,nf_internal); { avoid any possible errors/warnings } inserttypeconv_internal(hp,resultdef); { firstpass it } firstpass(hp); { left is reused } left:=nil; { return new node } result:=hp; end; end; in_setlength_x: result:=first_setlength; in_copy_x: result:=first_copy; in_initialize_x, in_finalize_x: begin expectloc:=LOC_VOID; end; in_inc_x, in_dec_x: begin result:=first_IncDec; end; in_and_assign_x_y, in_or_assign_x_y, in_xor_assign_x_y, in_sar_assign_x_y, in_shl_assign_x_y, in_shr_assign_x_y, in_rol_assign_x_y, in_ror_assign_x_y: begin result:=first_AndOrXorShiftRot_assign; end; in_neg_assign_x, in_not_assign_x: begin result:=first_NegNot_assign; end; in_include_x_y, in_exclude_x_y: begin result:=first_IncludeExclude; end; in_pack_x_y_z, in_unpack_x_y_z: begin result:=first_pack_unpack; end; in_exp_real: begin result:= first_exp_real; end; in_round_real: begin result:= first_round_real; end; in_trunc_real: begin result:= first_trunc_real; end; in_int_real: begin result:= first_int_real; end; in_frac_real: begin result:= first_frac_real; end; in_cos_real: begin result:= first_cos_real; end; in_sin_real: begin result := first_sin_real; end; in_arctan_real: begin result := first_arctan_real; end; in_pi_real : begin result := first_pi; end; in_abs_real: begin result := first_abs_real; end; in_abs_long: begin result := first_abs_long; end; in_sqr_real: begin result := first_sqr_real; end; in_sqrt_real: begin result := first_sqrt_real; end; in_ln_real: begin result := first_ln_real; end; {$ifdef SUPPORT_MMX} in_mmx_pcmpeqb..in_mmx_pcmpgtw: begin end; {$endif SUPPORT_MMX} in_assert_x_y : begin result:=first_assert; end; in_low_x: internalerror(200104047); in_high_x: begin result:=first_high; end; in_slice_x: internalerror(2005101502); in_ord_x, in_chr_byte: begin { should not happend as it's converted to typeconv } internalerror(200104045); end; in_ofs_x : internalerror(2000101002); in_seg_x : begin result:=first_seg; end; in_settextbuf_file_x, in_reset_typedfile, in_rewrite_typedfile, in_reset_typedfile_name, in_rewrite_typedfile_name, in_str_x_string, in_val_x, in_read_x, in_readln_x, in_write_x, in_writeln_x : begin { should be handled by pass_typecheck } internalerror(2001082302); end; in_get_frame: begin result:=first_get_frame; end; in_get_caller_frame: begin expectloc:=LOC_REGISTER; end; in_get_caller_addr: begin expectloc:=LOC_REGISTER; end; in_prefetch_var: begin expectloc:=LOC_VOID; end; in_aligned_x, in_unaligned_x, in_volatile_x: begin expectloc:=tcallparanode(left).left.expectloc; end; in_rol_x, in_rol_x_y, in_ror_x, in_ror_x_y: expectloc:=LOC_REGISTER; in_bsf_x, in_bsr_x: result:=first_bitscan; in_sar_x, in_sar_x_y: result:=first_sar; in_popcnt_x: result:=first_popcnt; in_new_x: result:=first_new; in_box_x: result:=first_box; in_unbox_x_y: result:=first_unbox; in_fma_single, in_fma_double, in_fma_extended, in_fma_float128: result:=first_fma; in_max_longint, in_max_dword, in_min_longint, in_min_dword, in_min_single, in_min_double, in_max_single, in_max_double: result:=first_minmax; else result:=first_cpu; end; end; {$maxfpuregisters default} function tinlinenode.docompare(p: tnode): boolean; begin docompare := inherited docompare(p) and (inlinenumber = tinlinenode(p).inlinenumber); end; procedure tinlinenode.mark_write; begin case inlinenumber of in_aligned_x, in_unaligned_x: tcallparanode(left).left.mark_write; else inherited mark_write; end; end; function tinlinenode.first_pi : tnode; begin result:=crealconstnode.create(getpi,pbestrealtype^); end; function tinlinenode.first_arctan_real : tnode; var temp_pnode: pnode; begin { create the call to the helper } { on entry left node contains the parameter } if left.nodetype = callparan then temp_pnode := @tcallparanode(left).left else temp_pnode := @left; result := ccallnode.createintern('fpc_arctan_real', ccallparanode.create(temp_pnode^,nil)); temp_pnode^ := nil; end; function tinlinenode.first_abs_real : tnode; var callnode : tcallnode; temp_pnode: pnode; begin { create the call to the helper } { on entry left node contains the parameter } if left.nodetype = callparan then temp_pnode := @tcallparanode(left).left else temp_pnode := @left; callnode:=ccallnode.createintern('fpc_abs_real', ccallparanode.create(temp_pnode^,nil)); result := ctypeconvnode.create(callnode,resultdef); include(callnode.callnodeflags,cnf_check_fpu_exceptions); temp_pnode^ := nil; end; function tinlinenode.first_sqr_real : tnode; var callnode : tcallnode; temp_pnode: pnode; begin {$ifndef cpufpemu} { this procedure might be only used for cpus definining cpufpemu else the optimizer might go into an endless loop when doing x*x -> changes } internalerror(2011092401); {$endif cpufpemu} { create the call to the helper } { on entry left node contains the parameter } if left.nodetype = callparan then temp_pnode := @tcallparanode(left).left else temp_pnode := @left; callnode:=ccallnode.createintern('fpc_sqr_real', ccallparanode.create(temp_pnode^,nil)); result := ctypeconvnode.create(callnode,resultdef); include(callnode.callnodeflags,cnf_check_fpu_exceptions); temp_pnode^ := nil; end; function tinlinenode.first_sqrt_real : tnode; var fdef: tdef; procname: string[31]; callnode: tcallnode; temp_pnode: pnode; begin if left.nodetype = callparan then temp_pnode := @tcallparanode(left).left else temp_pnode := @left; if ((cs_fp_emulation in current_settings.moduleswitches) {$ifdef cpufpemu} or (current_settings.fputype=fpu_soft) {$endif cpufpemu} ) and not (target_info.system in systems_wince) then begin case tfloatdef(temp_pnode^.resultdef).floattype of s32real: begin fdef:=search_system_type('FLOAT32REC').typedef; procname:='float32_sqrt'; end; s64real: begin fdef:=search_system_type('FLOAT64').typedef; procname:='float64_sqrt'; end; {!!! not yet implemented s128real: } else internalerror(2014052101); end; result:=ctypeconvnode.create_internal(ccallnode.createintern(procname,ccallparanode.create( ctypeconvnode.create_internal(temp_pnode^,fdef),nil)),resultdef); end else begin { create the call to the helper } { on entry left node contains the parameter } callnode := ccallnode.createintern('fpc_sqrt_real', ccallparanode.create(temp_pnode^,nil)); result := ctypeconvnode.create(callnode,resultdef); include(callnode.callnodeflags,cnf_check_fpu_exceptions); end; temp_pnode^ := nil; end; function tinlinenode.first_ln_real : tnode; var temp_pnode: pnode; begin { create the call to the helper } { on entry left node contains the parameter } if left.nodetype = callparan then temp_pnode := @tcallparanode(left).left else temp_pnode := @left; result := ccallnode.createintern('fpc_ln_real', ccallparanode.create(temp_pnode^,nil)); include(tcallnode(result).callnodeflags,cnf_check_fpu_exceptions); temp_pnode^ := nil; end; function tinlinenode.first_cos_real : tnode; var temp_pnode: pnode; begin { create the call to the helper } { on entry left node contains the parameter } if left.nodetype = callparan then temp_pnode := @tcallparanode(left).left else temp_pnode := @left; result := ccallnode.createintern('fpc_cos_real', ccallparanode.create(temp_pnode^,nil)); include(tcallnode(result).callnodeflags,cnf_check_fpu_exceptions); temp_pnode^ := nil; end; function tinlinenode.first_sin_real : tnode; var temp_pnode: pnode; begin { create the call to the helper } { on entry left node contains the parameter } if left.nodetype = callparan then temp_pnode := @tcallparanode(left).left else temp_pnode := @left; result := ccallnode.createintern('fpc_sin_real', ccallparanode.create(temp_pnode^,nil)); include(tcallnode(result).callnodeflags,cnf_check_fpu_exceptions); temp_pnode^ := nil; end; function tinlinenode.first_exp_real : tnode; var temp_pnode: pnode; begin { create the call to the helper } { on entry left node contains the parameter } if left.nodetype = callparan then temp_pnode := @tcallparanode(left).left else temp_pnode := @left; result := ccallnode.createintern('fpc_exp_real',ccallparanode.create(temp_pnode^,nil)); include(tcallnode(result).callnodeflags,cnf_check_fpu_exceptions); temp_pnode^ := nil; end; function tinlinenode.first_int_real : tnode; var temp_pnode: pnode; begin { create the call to the helper } { on entry left node contains the parameter } if left.nodetype = callparan then temp_pnode := @tcallparanode(left).left else temp_pnode := @left; result := ccallnode.createintern('fpc_int_real',ccallparanode.create(temp_pnode^,nil)); include(tcallnode(result).callnodeflags,cnf_check_fpu_exceptions); temp_pnode^ := nil; end; function tinlinenode.first_frac_real : tnode; var temp_pnode: pnode; begin { create the call to the helper } { on entry left node contains the parameter } if left.nodetype = callparan then temp_pnode := @tcallparanode(left).left else temp_pnode := @left; result := ccallnode.createintern('fpc_frac_real',ccallparanode.create(temp_pnode^,nil)); include(tcallnode(result).callnodeflags,cnf_check_fpu_exceptions); temp_pnode^ := nil; end; function tinlinenode.first_round_real : tnode; var temp_pnode: pnode; begin { create the call to the helper } { on entry left node contains the parameter } if left.nodetype = callparan then temp_pnode := @tcallparanode(left).left else temp_pnode := @left; result := ccallnode.createintern('fpc_round_real',ccallparanode.create(temp_pnode^,nil)); include(tcallnode(result).callnodeflags,cnf_check_fpu_exceptions); temp_pnode^ := nil; end; function tinlinenode.first_trunc_real : tnode; var temp_pnode: pnode; begin { create the call to the helper } { on entry left node contains the parameter } if left.nodetype = callparan then temp_pnode := @tcallparanode(left).left else temp_pnode := @left; result := ccallnode.createintern('fpc_trunc_real',ccallparanode.create(temp_pnode^,nil)); include(tcallnode(result).callnodeflags,cnf_check_fpu_exceptions); temp_pnode^ := nil; end; function tinlinenode.first_abs_long : tnode; begin expectloc:=LOC_REGISTER; result:=nil; end; function tinlinenode.getaddsub_for_incdec : tnode; var hp,hpp,resultnode : tnode; tempnode: ttempcreatenode; newstatement: tstatementnode; newblock: tblocknode; begin newblock := internalstatements(newstatement); { 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(parser_e_illegal_expression); end else begin { no, create constant 1 } hpp := cordconstnode.create(1,tcallparanode(left).left.resultdef,false); end; typecheckpass(hpp); { make sure we don't call functions part of the left node twice (and generally } { optimize the code generation) } { Storing address is not always an optimization: alignment of left is not known at this point, so we must assume the worst and use an unaligned pointer. This results in larger and slower code on alignment-sensitive targets. Therefore the complexity condition below is questionable, maybe just filtering out calls with "= NODE_COMPLEXITY_INF" is sufficient. Value of 3 corresponds to subscript nodes, i.e. record field. } if node_complexity(tcallparanode(left).left) > 3 then begin tempnode := ctempcreatenode.create(voidpointertype,voidpointertype.size,tt_persistent,true); addstatement(newstatement,tempnode); addstatement(newstatement,cassignmentnode.create(ctemprefnode.create(tempnode), caddrnode.create_internal(tcallparanode(left).left.getcopy))); hp := cderefnode.create(ctemprefnode.create(tempnode)); inserttypeconv_internal(hp,tcallparanode(left).left.resultdef); end else begin hp := tcallparanode(left).left.getcopy; tempnode := nil; end; resultnode := hp.getcopy; { get varstates right } node_reset_flags(resultnode,[nf_pass1_done,nf_modify]); { avoid type errors from the addn/subn } if not is_integer(resultnode.resultdef) then begin inserttypeconv_internal(hp,sinttype); inserttypeconv_internal(hpp,sinttype); end; { addition/substraction depending on inc/dec } if inlinenumber = in_inc_x then hpp := caddnode.create_internal(addn,hp,hpp) else hpp := caddnode.create_internal(subn,hp,hpp); { assign result of addition } { inherit internal flag } if not(is_integer(resultnode.resultdef)) then begin if nf_internal in flags then inserttypeconv_internal(hpp,corddef.create( {$ifdef cpu64bitaddr} s64bit, {$else cpu64bitaddr} s32bit, {$endif cpu64bitaddr} get_min_value(resultnode.resultdef), get_max_value(resultnode.resultdef), true)) else inserttypeconv(hpp,corddef.create( {$ifdef cpu64bitaddr} s64bit, {$else cpu64bitaddr} s32bit, {$endif cpu64bitaddr} get_min_value(resultnode.resultdef), get_max_value(resultnode.resultdef), true)) end else begin if nf_internal in flags then inserttypeconv_internal(hpp,resultnode.resultdef) else inserttypeconv(hpp,resultnode.resultdef); end; { avoid any possible warnings } inserttypeconv_internal(hpp,resultnode.resultdef); { get varstates right } node_reset_flags(hpp,[nf_pass1_done,nf_modify,nf_write]); do_typecheckpass(hpp); addstatement(newstatement,cassignmentnode.create(resultnode,hpp)); { force pass 1, so copied trees get first pass'ed as well and flags like nf_write, nf_call_unique get set right } node_reset_flags(newstatement.statement,[nf_pass1_done]); { firstpass it } firstpass(tnode(newstatement.left)); { deallocate the temp } if assigned(tempnode) then addstatement(newstatement,ctempdeletenode.create(tempnode)); { firstpass it } firstpass(tnode(newblock)); { return new node } result := newblock; end; function tinlinenode.first_IncDec: tnode; begin expectloc:=LOC_VOID; result:=nil; { range/overflow checking doesn't work properly } { with the inc/dec code that's generated (JM) } if ((localswitches * [cs_check_overflow,cs_check_range] <> []) and { No overflow check for pointer operations, because inc(pointer,-1) will always trigger an overflow. For uint32 it works because then the operation is done in 64bit. Range checking is not applicable to pointers either } (tcallparanode(left).left.resultdef.typ<>pointerdef)) {$ifdef jvm} { enums are class instances on the JVM -> special treatment } or (tcallparanode(left).left.resultdef.typ=enumdef) {$endif} then { convert to simple add (JM) } result:=getaddsub_for_incdec end; function tinlinenode.first_IncludeExclude: tnode; begin result:=nil; expectloc:=LOC_VOID; end; function tinlinenode.first_get_frame: tnode; begin include(current_procinfo.flags,pi_needs_stackframe); include(current_procinfo.flags,pi_uses_get_frame); expectloc:=LOC_CREGISTER; result:=nil; end; function tinlinenode.first_setlength: tnode; var paras : tnode; npara, ppn : tcallparanode; dims, counter : integer; isarray : boolean; destppn : tnode; newstatement : tstatementnode; temp : ttempcreatenode; newblock : tnode; begin paras:=left; ppn:=tcallparanode(paras); dims:=0; while assigned(ppn.right) do begin inc(dims); ppn:=tcallparanode(ppn.right); end; destppn:=ppn.left; isarray:=is_dynamic_array(destppn.resultdef); { first param must be a string or dynamic array ...} if isarray then begin { create statements with call initialize the arguments and call fpc_dynarr_setlength } newblock:=internalstatements(newstatement); { get temp for array of lengths } temp:=ctempcreatenode.create(carraydef.getreusable(sinttype,dims),dims*sinttype.size,tt_persistent,false); addstatement(newstatement,temp); { load array of lengths } ppn:=tcallparanode(paras); counter:=dims-1; while assigned(ppn.right) do begin addstatement(newstatement,cassignmentnode.create( cvecnode.create( ctemprefnode.create(temp), genintconstnode(counter) ), ppn.left)); ppn.left:=nil; dec(counter); ppn:=tcallparanode(ppn.right); end; { destppn is also reused } ppn.left:=nil; { create call to fpc_dynarr_setlength } npara:=ccallparanode.create(caddrnode.create_internal( cvecnode.create( ctemprefnode.create(temp), genintconstnode(0) )), ccallparanode.create(cordconstnode.create (dims,sinttype,true), ccallparanode.create(caddrnode.create_internal (crttinode.create(tstoreddef(destppn.resultdef),initrtti,rdt_normal)), ccallparanode.create(ctypeconvnode.create_internal(destppn,voidpointertype),nil)))); addstatement(newstatement,ccallnode.createintern('fpc_dynarray_setlength',npara)); addstatement(newstatement,ctempdeletenode.create(temp)); end else if is_ansistring(destppn.resultdef) then begin newblock:=ccallnode.createintern( 'fpc_'+tstringdef(destppn.resultdef).stringtypname+'_setlength', ccallparanode.create( cordconstnode.create(getparaencoding(destppn.resultdef),u16inttype,true), paras ) ); { we reused the parameters, make sure we don't release them } left:=nil; end else begin { we can reuse the supplied parameters } newblock:=ccallnode.createintern( 'fpc_'+tstringdef(destppn.resultdef).stringtypname+'_setlength',paras); { we reused the parameters, make sure we don't release them } left:=nil; end; result:=newblock; end; function tinlinenode.first_copy: tnode; var lowppn, countppn, elesizeppn, eletypeppn, maxcountppn, arrayppn, rttippn, npara, paras : tnode; ppn : tcallparanode; paradef : tdef; counter : integer; begin { determine copy function to use based on the first argument, also count the number of arguments in this loop } counter:=1; paras:=left; ppn:=tcallparanode(paras); while assigned(ppn.right) do begin inc(counter); ppn:=tcallparanode(ppn.right); end; paradef:=ppn.left.resultdef; { fill up third parameter } if counter=2 then begin paras:=ccallparanode.create(cordconstnode.create(torddef(sinttype).high,sinttype,false),paras); counter:=3; end; if is_ansistring(resultdef) then { keep the specific kind of ansistringdef as result } result:=ccallnode.createinternres('fpc_ansistr_copy',paras,resultdef) else if is_widestring(resultdef) then result:=ccallnode.createintern('fpc_widestr_copy',paras) else if is_unicodestring(resultdef) then result:=ccallnode.createintern('fpc_unicodestr_copy',paras) { can't check for resultdef = cansichartype, because resultdef= cshortstringtype here } else if is_char(paradef) then result:=ccallnode.createintern('fpc_char_copy',paras) else if is_dynamic_array(resultdef) then begin { create statements with call } elesizeppn:=cordconstnode.create(tarraydef(paradef).elesize,sinttype,false); if is_managed_type(tarraydef(paradef).elementdef) then eletypeppn:=caddrnode.create_internal( crttinode.create(tstoreddef(tarraydef(paradef).elementdef),initrtti,rdt_normal)) else eletypeppn:=cordconstnode.create(0,voidpointertype,false); maxcountppn:=geninlinenode(in_length_x,false,ppn.left.getcopy); case counter of 1: begin { copy the whole array using [0..high(sizeint)] range } countppn:=cordconstnode.create(torddef(sinttype).high,sinttype,false); lowppn:=cordconstnode.create(0,sinttype,false); end; 2: begin { copy the array using [low..high(sizeint)] range } countppn:=cordconstnode.create(torddef(sinttype).high,sinttype,false); lowppn:=tcallparanode(paras).left.getcopy; end; 3: begin countppn:=tcallparanode(paras).left.getcopy; lowppn:=tcallparanode(tcallparanode(paras).right).left.getcopy; end; else internalerror(2012100703); end; if is_open_array(paradef) then begin arrayppn:=caddrnode.create_internal(ppn.left); end else if is_dynamic_array(paradef) then begin arrayppn:=ctypeconvnode.create_internal(ppn.left,voidpointertype); end else internalerror(2012100704); rttippn:=caddrnode.create_internal(crttinode.create(tstoreddef(resultdef),initrtti,rdt_normal)); { create call to fpc_array_to_dynarray_copy } npara:=ccallparanode.create(eletypeppn, ccallparanode.create(elesizeppn, ccallparanode.create(maxcountppn, ccallparanode.create(countppn, ccallparanode.create(lowppn, ccallparanode.create(rttippn, ccallparanode.create(arrayppn,nil))))))); result:=ccallnode.createinternres('fpc_array_to_dynarray_copy',npara,resultdef); ppn.left:=nil; paras.free; end else result:=ccallnode.createintern('fpc_shortstr_copy',paras); { parameters are reused } left:=nil; end; function tinlinenode.first_new: tnode; var newstatement : tstatementnode; newblock : tblocknode; temp : ttempcreatenode; para : tcallparanode; begin { create statements with call to getmem+initialize } newblock:=internalstatements(newstatement); { create temp for result } temp := ctempcreatenode.create(left.resultdef,left.resultdef.size,tt_persistent,true); addstatement(newstatement,temp); { create call to fpc_getmem } para := ccallparanode.create(cordconstnode.create (tpointerdef(left.resultdef).pointeddef.size,s32inttype,true),nil); addstatement(newstatement,cassignmentnode.create( ctemprefnode.create(temp), ccallnode.createintern('fpc_getmem',para))); { create call to fpc_initialize } if is_managed_type(tpointerdef(left.resultdef).pointeddef) then begin para := ccallparanode.create(caddrnode.create_internal(crttinode.create (tstoreddef(tpointerdef(left.resultdef).pointeddef),initrtti,rdt_normal)), ccallparanode.create(ctemprefnode.create (temp),nil)); addstatement(newstatement,ccallnode.createintern('fpc_initialize',para)); end; { the last statement should return the value as location and type, this is done be referencing the temp and converting it first from a persistent temp to normal temp } addstatement(newstatement,ctempdeletenode.create_normal_temp(temp)); addstatement(newstatement,ctemprefnode.create(temp)); result:=newblock; end; function tinlinenode.first_length: tnode; begin result:=nil; if is_shortstring(left.resultdef) then expectloc:=left.expectloc else begin { ansi/wide string } expectloc:=LOC_REGISTER; end; end; function tinlinenode.first_high: tnode; begin result:=nil; if not(is_dynamic_array(left.resultdef)) then Internalerror(2019122802); expectloc:=LOC_REGISTER; end; function tinlinenode.first_assigned: tnode; begin { Comparison must not call procvars, indicate that with nf_load_procvar flag } result:=caddnode.create(unequaln,tcallparanode(left).left,cnilnode.create); include(result.flags,nf_load_procvar); tcallparanode(left).left:=nil; end; function tinlinenode.first_assert: tnode; var paras: tcallparanode; begin paras:=tcallparanode(tcallparanode(left).right); paras:=ccallparanode.create(cstringconstnode.createstr(current_module.sourcefiles.get_file_name(current_filepos.fileindex)),paras); paras:=ccallparanode.create(genintconstnode(fileinfo.line),paras); {$ifdef SUPPORT_GET_FRAME} paras:=ccallparanode.create(geninlinenode(in_get_frame,false,nil),paras); {$else} paras:=ccallparanode.create(ccallnode.createinternfromunit('SYSTEM','GET_FRAME',nil),paras); {$endif} result:=cifnode.create(cnotnode.create(tcallparanode(left).left), ccallnode.createintern('fpc_assert',paras),nil); include(result.flags,nf_internal); tcallparanode(left).left:=nil; tcallparanode(left).right:=nil; end; function tinlinenode.first_popcnt: tnode; var suffix : string; begin case torddef(left.resultdef).ordtype of u8bit: suffix:='byte'; u16bit: suffix:='word'; u32bit: suffix:='dword'; u64bit: suffix:='qword'; else internalerror(2012082601); end; result:=ccallnode.createintern('fpc_popcnt_'+suffix,ccallparanode.create(left,nil)); left:=nil; end; function tinlinenode.first_bitscan: tnode; begin result:=nil; expectloc:=LOC_REGISTER; end; function tinlinenode.typecheck_seg: tnode; begin if target_info.system in systems_managed_vm then message(parser_e_feature_unsupported_for_vm); set_varstate(left,vs_read,[]); result:=cordconstnode.create(0,s32inttype,false); end; function tinlinenode.first_seg: tnode; begin internalerror(200104046); result:=nil; end; function tinlinenode.first_sar: tnode; begin result:=nil; expectloc:=LOC_REGISTER; {$if not defined(cpu64bitalu) and not defined(cpucg64shiftsupport)} if is_64bitint(resultdef) then begin if (inlinenumber=in_sar_x) then left:=ccallparanode.create(cordconstnode.create(1,u8inttype,false), ccallparanode.create(left,nil)); result:=ccallnode.createintern('fpc_sarint64',left); left:=nil; end; {$endif not defined(cpu64bitalu) and not defined(cpucg64shiftsupport)} end; function tinlinenode.handle_box: tnode; begin result:=nil; if not assigned(left) or assigned(tcallparanode(left).right) then CGMessage1(parser_e_wrong_parameter_size,'FpcInternalBox'); resultdef:=class_tobject; end; function tinlinenode.handle_unbox: tnode; begin result:=nil; if not assigned(left) or not assigned(tcallparanode(left).right) or assigned(tcallparanode(tcallparanode(left).right).right) then CGMessage1(parser_e_wrong_parameter_size,'FpcInternalUnBox'); if tcallparanode(left).left.nodetype<>typen then internalerror(2011071701); ttypenode(tcallparanode(left).left).allowed:=true; resultdef:=tcallparanode(left).left.resultdef; end; function tinlinenode.handle_insert: tnode; procedure do_error; begin CGMessagePos1(fileinfo,parser_e_wrong_parameter_size,'Insert'); write_system_parameter_lists('fpc_shortstr_insert'); write_system_parameter_lists('fpc_shortstr_insert_char'); write_system_parameter_lists('fpc_unicodestr_insert'); if tf_winlikewidestring in target_info.flags then write_system_parameter_lists('fpc_widestr_insert'); write_system_parameter_lists('fpc_ansistr_insert'); MessagePos1(fileinfo,sym_e_param_list,'Insert(Dynamic Array;var Dynamic Array;'+sinttype.typename+');'); MessagePos1(fileinfo,sym_e_param_list,'Insert(Element;var Dynamic Array;'+sinttype.typename+');'); end; var procname : String; newn, datan, datacountn, firstn, secondn : tnode; first, second : tdef; isconstr, iscomparray, iscompelem : boolean; datatemp : ttempcreatenode; insertblock : tblocknode; insertstatement : tstatementnode; begin if not assigned(left) or not assigned(tcallparanode(left).right) or not assigned(tcallparanode(tcallparanode(left).right).right) or assigned(tcallparanode(tcallparanode(tcallparanode(left).right).right).right) then begin do_error; exit(cerrornode.create); end; { determine the correct function based on the second parameter } firstn:=tcallparanode(tcallparanode(tcallparanode(left).right).right).left; first:=firstn.resultdef; secondn:=tcallparanode(tcallparanode(left).right).left; second:=secondn.resultdef; if is_shortstring(second) then begin if is_char(first) then procname:='fpc_shortstr_insert_char' else procname:='fpc_shortstr_insert'; end else if is_unicodestring(second) then procname:='fpc_unicodestr_insert' else if is_widestring(second) then procname:='fpc_widestr_insert' else if is_ansistring(second) then procname:='fpc_ansistr_insert' else if is_dynamic_array(second) then begin { The first parameter needs to be a) a dynamic array of the same type b) a single element of the same type c) a static array of the same type (not Delphi compatible) } isconstr:=is_array_constructor(first); iscomparray:=(first.typ=arraydef) and equal_defs(tarraydef(first).elementdef,tarraydef(second).elementdef); iscompelem:=compare_defs(first,tarraydef(second).elementdef,niln)<>te_incompatible; if not iscomparray and not iscompelem and not isconstr then begin CGMessagePos(fileinfo,type_e_array_required); exit(cerrornode.create); end; insertblock:=internalstatements(insertstatement); datatemp:=nil; if iscomparray then begin datatemp:=ctempcreatenode.create_value(first,first.size,tt_normal,false,firstn); addstatement(insertstatement,datatemp); if is_dynamic_array(first) then datan:=ctypeconvnode.create_internal(ctemprefnode.create(datatemp),voidpointertype) else datan:=caddrnode.create_internal(cvecnode.create(ctemprefnode.create(datatemp),cordconstnode.create(0,sizesinttype,false))); datacountn:=cinlinenode.create(in_length_x,false,ctemprefnode.create(datatemp)); end else if isconstr then begin inserttypeconv(firstn,second); datatemp:=ctempcreatenode.create_value(second,second.size,tt_normal,false,firstn); addstatement(insertstatement,datatemp); datan:=ctypeconvnode.create_internal(ctemprefnode.create(datatemp),voidpointertype); datacountn:=cinlinenode.create(in_length_x,false,ctemprefnode.create(datatemp)); end else begin if is_const(firstn) then begin datatemp:=ctempcreatenode.create_value(tarraydef(second).elementdef,tarraydef(second).elementdef.size,tt_normal,false,firstn); addstatement(insertstatement,datatemp); datan:=caddrnode.create_internal(ctemprefnode.create(datatemp)); end else datan:=caddrnode.create_internal(ctypeconvnode.create_internal(firstn,tarraydef(second).elementdef)); datacountn:=cordconstnode.create(1,sizesinttype,false); end; procname:='fpc_dynarray_insert'; { recreate the parameters as array pointer, source, data, count, typeinfo } newn:=ccallparanode.create(caddrnode.create_internal(crttinode.create(tstoreddef(second),initrtti,rdt_normal)), ccallparanode.create(datacountn, ccallparanode.create(datan, ccallparanode.create(tcallparanode(left).left, ccallparanode.create(ctypeconvnode.create_internal(secondn,voidpointertype),nil))))); addstatement(insertstatement,ccallnode.createintern(procname,newn)); if assigned(datatemp) then addstatement(insertstatement,ctempdeletenode.create(datatemp)); tcallparanode(tcallparanode(tcallparanode(left).right).right).left:=nil; // insert idx tcallparanode(tcallparanode(left).right).left:=nil; // dyn array tcallparanode(left).left:=nil; // insert element/array left.free; left:=nil; result:=insertblock; exit; { ! } end else if second.typ=undefineddef then { just pick one } procname:='fpc_ansistr_insert' else begin do_error; exit(cerrornode.create); end; result:=ccallnode.createintern(procname,left); left:=nil; end; function tinlinenode.handle_delete: tnode; procedure do_error; begin CGMessagePos1(fileinfo,parser_e_wrong_parameter_size,'Delete'); write_system_parameter_lists('fpc_shortstr_delete'); write_system_parameter_lists('fpc_unicodestr_delete'); if tf_winlikewidestring in target_info.flags then write_system_parameter_lists('fpc_widestr_delete'); write_system_parameter_lists('fpc_ansistr_delete'); MessagePos1(fileinfo,sym_e_param_list,'Delete(var Dynamic Array;'+sinttype.typename+';'+sinttype.typename+');'); end; var procname : String; first : tdef; firstn, newn : tnode; begin if not assigned(left) or not assigned(tcallparanode(left).right) or not assigned(tcallparanode(tcallparanode(left).right).right) or assigned(tcallparanode(tcallparanode(tcallparanode(left).right).right).right) then begin do_error; exit(cerrornode.create); end; { determine the correct function based on the first parameter } firstn:=tcallparanode(tcallparanode(tcallparanode(left).right).right).left; first:=firstn.resultdef; if is_shortstring(first) then procname:='fpc_shortstr_delete' else if is_unicodestring(first) then procname:='fpc_unicodestr_delete' else if is_widestring(first) then procname:='fpc_widestr_delete' else if is_ansistring(first) then procname:='fpc_ansistr_delete' else if is_dynamic_array(first) then begin procname:='fpc_dynarray_delete'; { recreate the parameters as array pointer, src, count, typeinfo } newn:=ccallparanode.create(caddrnode.create_internal (crttinode.create(tstoreddef(first),initrtti,rdt_normal)), ccallparanode.create(tcallparanode(left).left, ccallparanode.create(tcallparanode(tcallparanode(left).right).left, ccallparanode.create(ctypeconvnode.create_internal(firstn,voidpointertype),nil)))); tcallparanode(tcallparanode(tcallparanode(left).right).right).left:=nil; tcallparanode(tcallparanode(left).right).left:=nil; tcallparanode(left).left:=nil; left.free; left:=newn; end else if first.typ=undefineddef then { just pick one } procname:='fpc_ansistr_delete' else begin do_error; exit(cerrornode.create); end; result:=ccallnode.createintern(procname,left); left:=nil; end; function tinlinenode.handle_concat:tnode; procedure do_error; begin CGMessagePos1(fileinfo,parser_e_wrong_parameter_size,'Concat'); MessagePos1(fileinfo,sym_e_param_list,'Concat(String[;String;...])'); MessagePos1(fileinfo,sym_e_param_list,'Concat(Dynamic Array[;Dynamic Array;...])'); end; var cpn : tcallparanode; list : tfpobjectlist; n, arrn, firstn : tnode; i : longint; arrconstr : tarrayconstructornode; newstatement : tstatementnode; tempnode : ttempcreatenode; lastchanged : boolean; begin if not assigned(left) then begin do_error; exit(cerrornode.create); end; result:=nil; { the arguments are right to left, but we need to work on them from left to right, so insert them in a list and process that from back to front } list:=tfpobjectlist.create(false); { remember the last (aka first) dynamic array parameter (important in case of array constructors) } arrn:=nil; cpn:=tcallparanode(left); while assigned(cpn) do begin list.add(cpn.left); if is_dynamic_array(cpn.left.resultdef) then arrn:=cpn.left; cpn.left:=nil; cpn:=tcallparanode(cpn.right); end; if list.count=0 then internalerror(2017100901); firstn:=tnode(list.last); if not assigned(firstn) then internalerror(2017100902); { are we dealing with strings or dynamic arrays? } if is_dynamic_array(firstn.resultdef) or is_array_constructor(firstn.resultdef) then begin { try to combine all consecutive array constructors } lastchanged:=false; i:=0; repeat if lastchanged or is_array_constructor(tnode(list[i]).resultdef) then begin if (i0 do begin set_varstate(tcallparanode(p).left,vs_read,[vsf_must_be_valid]); p:=tcallparanode(p).right; dec(count); end; end; end; end.