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@@ -27,10 +27,8 @@ interface
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uses symtype,symsym,aasmdata;
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- { this procedure reads typed constants }
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- { sym is only needed for ansi strings }
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- { the assembler label is in the middle (PM) }
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- procedure readtypedconst(list:tasmlist;def:tdef;sym : ttypedconstsym;writable : boolean);
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+ procedure read_typed_const(list:tasmlist;sym:tstaticvarsym);
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+
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implementation
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@@ -52,1031 +50,1060 @@ implementation
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{$maxfpuregisters 0}
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{ this procedure reads typed constants }
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- procedure readtypedconst(list:tasmlist;def:tdef;sym : ttypedconstsym;writable : boolean);
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- label
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- myexit;
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- type
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- setbytes = array[0..31] of byte;
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- Psetbytes = ^setbytes;
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- var
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- len,base : longint;
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- p,hp : tnode;
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- i,j,l : longint;
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- varalign : shortint;
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- offset,
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- strlength : aint;
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- ll : tasmlabel;
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- c_name,
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- s,sorg : string;
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- c : char;
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- ca : pchar;
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- tmpguid : tguid;
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- symidx,
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- aktpos : longint;
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- pd : tprocdef;
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- obj : tobjectdef;
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- recsym,
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- srsym : tsym;
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- symt : TSymtable;
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- value : bestreal;
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- intvalue : tconstexprint;
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- strval : pchar;
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- pw : pcompilerwidestring;
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- error : boolean;
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- old_block_type : tblock_type;
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- storefilepos : tfileposinfo;
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- cursectype : TAsmSectiontype;
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- datalist : tasmlist;
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+ procedure read_typed_const_data(list:tasmlist;def:tdef);
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- procedure check_range(def:torddef);
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- begin
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- if ((tordconstnode(p).value>def.high) or
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- (tordconstnode(p).value<def.low)) then
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+ procedure parse_orddef(list:tasmlist;def:torddef);
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+ var
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+ n : tnode;
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+ intvalue : tconstexprint;
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+ begin
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+ n:=comp_expr(true);
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+ case def.ordtype of
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+ bool8bit :
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begin
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- if (cs_check_range in current_settings.localswitches) then
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- Message(parser_e_range_check_error)
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+ if is_constboolnode(n) then
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+ list.concat(Tai_const.Create_8bit(byte(tordconstnode(n).value)))
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else
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- Message(parser_w_range_check_error);
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+ Message(parser_e_illegal_expression);
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end;
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- end;
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-
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- begin
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- old_block_type:=block_type;
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- block_type:=bt_const;
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- datalist:=tasmlist.create;
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-
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- case def.typ of
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- orddef:
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- begin
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- p:=comp_expr(true);
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- case torddef(def).ordtype of
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- bool8bit :
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- begin
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- if is_constboolnode(p) then
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- datalist.concat(Tai_const.Create_8bit(byte(tordconstnode(p).value)))
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- else
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- Message(parser_e_illegal_expression);
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- end;
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- bool16bit :
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- begin
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- if is_constboolnode(p) then
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- datalist.concat(Tai_const.Create_16bit(word(tordconstnode(p).value)))
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- else
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- Message(parser_e_illegal_expression);
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- end;
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- bool32bit :
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- begin
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- if is_constboolnode(p) then
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- datalist.concat(Tai_const.Create_32bit(longint(tordconstnode(p).value)))
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- else
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- Message(parser_e_illegal_expression);
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- end;
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- bool64bit :
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- begin
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- if is_constboolnode(p) then
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- datalist.concat(Tai_const.Create_64bit(int64(tordconstnode(p).value)))
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- else
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- Message(parser_e_illegal_expression);
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- end;
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- uchar :
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- begin
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- if is_constcharnode(p) then
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- datalist.concat(Tai_const.Create_8bit(byte(tordconstnode(p).value)))
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- else
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- Message(parser_e_illegal_expression);
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- end;
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- uwidechar :
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- begin
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- if is_constcharnode(p) then
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- inserttypeconv(p,cwidechartype);
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- if is_constwidecharnode(p) then
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- datalist.concat(Tai_const.Create_16bit(word(tordconstnode(p).value)))
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- else
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- Message(parser_e_illegal_expression);
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- end;
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- s8bit,
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- u8bit :
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- begin
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- if is_constintnode(p) then
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- begin
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- datalist.concat(Tai_const.Create_8bit(byte(tordconstnode(p).value)));
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- check_range(torddef(def));
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- end
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- else
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- Message(parser_e_illegal_expression);
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- end;
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- u16bit,
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- s16bit :
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- begin
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- if is_constintnode(p) then
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- begin
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- datalist.concat(Tai_const.Create_16bit(word(tordconstnode(p).value)));
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- check_range(torddef(def));
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- end
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- else
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- Message(parser_e_illegal_expression);
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+ bool16bit :
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+ begin
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+ if is_constboolnode(n) then
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+ list.concat(Tai_const.Create_16bit(word(tordconstnode(n).value)))
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+ else
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+ Message(parser_e_illegal_expression);
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+ end;
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+ bool32bit :
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+ begin
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+ if is_constboolnode(n) then
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+ list.concat(Tai_const.Create_32bit(longint(tordconstnode(n).value)))
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+ else
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+ Message(parser_e_illegal_expression);
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+ end;
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+ bool64bit :
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+ begin
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+ if is_constboolnode(n) then
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+ list.concat(Tai_const.Create_64bit(int64(tordconstnode(n).value)))
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+ else
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+ Message(parser_e_illegal_expression);
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+ end;
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+ uchar :
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+ begin
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+ if is_constcharnode(n) then
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+ list.concat(Tai_const.Create_8bit(byte(tordconstnode(n).value)))
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+ else
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+ Message(parser_e_illegal_expression);
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+ end;
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+ uwidechar :
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+ begin
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+ if is_constcharnode(n) then
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+ inserttypeconv(n,cwidechartype);
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+ if is_constwidecharnode(n) then
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+ list.concat(Tai_const.Create_16bit(word(tordconstnode(n).value)))
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+ else
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+ Message(parser_e_illegal_expression);
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+ end;
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+ s8bit,u8bit,
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+ u16bit,s16bit,
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+ s32bit,u32bit,
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+ s64bit,u64bit :
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+ begin
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+ if is_constintnode(n) then
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+ begin
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+ testrange(def,tordconstnode(n).value,false);
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+ case def.size of
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+ 1 :
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+ list.concat(Tai_const.Create_8bit(byte(tordconstnode(n).value)));
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+ 2 :
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+ list.concat(Tai_const.Create_16bit(word(tordconstnode(n).value)));
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+ 4 :
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+ list.concat(Tai_const.Create_32bit(longint(tordconstnode(n).value)));
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+ 8 :
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+ list.concat(Tai_const.Create_64bit(tordconstnode(n).value));
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+ end;
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+ end
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+ else
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+ Message(parser_e_illegal_expression);
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+ end;
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+ scurrency:
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+ begin
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+ if is_constintnode(n) then
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+ intvalue := tordconstnode(n).value
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+ { allow bootstrapping }
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+ else if is_constrealnode(n) then
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+ intvalue:=round(trealconstnode(n).value_real*10000)
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+ else
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+ begin
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+ intvalue:=0;
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+ Message(parser_e_illegal_expression);
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end;
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- s32bit,
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- u32bit :
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- begin
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- if is_constintnode(p) then
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- begin
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- datalist.concat(Tai_const.Create_32bit(longint(tordconstnode(p).value)));
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- if torddef(def).ordtype<>u32bit then
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- check_range(torddef(def));
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- end
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- else
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- Message(parser_e_illegal_expression);
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- end;
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- s64bit,
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- u64bit,
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- scurrency:
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- begin
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- if is_constintnode(p) then
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- intvalue := tordconstnode(p).value
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- else if is_constrealnode(p) and
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- (torddef(def).ordtype=scurrency)
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- { allow bootstrapping }
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- then
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- begin
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- intvalue:=round(trealconstnode(p).value_real*10000);
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- end
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- else
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- begin
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- intvalue:=0;
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- Message(parser_e_illegal_expression);
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- end;
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- datalist.concat(Tai_const.Create_64bit(intvalue));
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- end;
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- else
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- internalerror(3799);
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- end;
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- p.free;
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- end;
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- floatdef:
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- begin
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- p:=comp_expr(true);
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- if is_constrealnode(p) then
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- value:=trealconstnode(p).value_real
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- else if is_constintnode(p) then
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- value:=tordconstnode(p).value
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+ list.concat(Tai_const.Create_64bit(intvalue));
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+ end;
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else
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- Message(parser_e_illegal_expression);
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+ internalerror(200611052);
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+ end;
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+ n.free;
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+ end;
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+
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+ procedure parse_floatdef(list:tasmlist;def:tfloatdef);
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+ var
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+ n : tnode;
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+ value : bestreal;
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+ begin
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+ n:=comp_expr(true);
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+ if is_constrealnode(n) then
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+ value:=trealconstnode(n).value_real
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+ else if is_constintnode(n) then
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+ value:=tordconstnode(n).value
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+ else
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+ Message(parser_e_illegal_expression);
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- case tfloatdef(def).floattype of
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- s32real :
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- datalist.concat(Tai_real_32bit.Create(ts32real(value)));
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- s64real :
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+ case def.floattype of
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+ s32real :
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+ list.concat(Tai_real_32bit.Create(ts32real(value)));
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+ s64real :
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{$ifdef ARM}
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- if current_settings.fputype in [fpu_fpa,fpu_fpa10,fpu_fpa11] then
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- datalist.concat(Tai_real_64bit.Create_hiloswapped(ts64real(value)))
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- else
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+ if current_settings.fputype in [fpu_fpa,fpu_fpa10,fpu_fpa11] then
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+ list.concat(Tai_real_64bit.Create_hiloswapped(ts64real(value)))
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+ else
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{$endif ARM}
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- datalist.concat(Tai_real_64bit.Create(ts64real(value)));
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- s80real :
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- datalist.concat(Tai_real_80bit.Create(value));
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+ list.concat(Tai_real_64bit.Create(ts64real(value)));
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+ s80real :
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+ list.concat(Tai_real_80bit.Create(value));
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+ s64comp :
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+ { the round is necessary for native compilers where comp isn't a float }
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+ list.concat(Tai_comp_64bit.Create(round(value)));
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+ s64currency:
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+ list.concat(Tai_comp_64bit.Create(round(value*10000)));
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+ s128real:
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+ list.concat(Tai_real_128bit.Create(value));
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+ else
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+ internalerror(200611053);
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+ end;
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+ n.free;
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+ end;
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- { the round is necessary for native compilers where comp isn't a float }
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- s64comp :
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- datalist.concat(Tai_comp_64bit.Create(round(value)));
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- s64currency:
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- datalist.concat(Tai_comp_64bit.Create(round(value*10000)));
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- s128real:
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- datalist.concat(Tai_real_128bit.Create(value));
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- else
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- internalerror(18);
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- end;
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- p.free;
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- end;
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- classrefdef:
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- begin
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- p:=comp_expr(true);
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- case p.nodetype of
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- loadvmtaddrn:
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- with Tclassrefdef(p.resultdef) do
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- begin
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- if not Tobjectdef(pointeddef).is_related(Tobjectdef(tclassrefdef(def).pointeddef)) then
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- message(parser_e_illegal_expression);
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- datalist.concat(Tai_const.Create_sym(current_asmdata.RefAsmSymbol(
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- Tobjectdef(pointeddef).vmt_mangledname)));
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- end;
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- niln:
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- datalist.concat(Tai_const.Create_sym(nil));
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- else Message(parser_e_illegal_expression);
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+ procedure parse_classrefdef(list:tasmlist;def:tclassrefdef);
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+ var
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+ n : tnode;
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+ begin
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+ n:=comp_expr(true);
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+ case n.nodetype of
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+ loadvmtaddrn:
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+ begin
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+ if not Tobjectdef(tclassrefdef(n.resultdef).pointeddef).is_related(tobjectdef(def.pointeddef)) then
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+ message(parser_e_illegal_expression);
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+ list.concat(Tai_const.Create_sym(current_asmdata.RefAsmSymbol(Tobjectdef(tclassrefdef(n.resultdef).pointeddef).vmt_mangledname)));
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end;
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- p.free;
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- end;
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- pointerdef:
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- begin
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- p:=comp_expr(true);
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- if (p.nodetype=typeconvn) then
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- with Ttypeconvnode(p) do
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- if (left.nodetype in [addrn,niln]) and equal_defs(def,p.resultdef) then
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- begin
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- hp:=left;
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- left:=nil;
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- p.free;
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- p:=hp;
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- end;
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- { allows horrible ofs(typeof(TButton)^) code !! }
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- if (p.nodetype=addrn) then
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- with Taddrnode(p) do
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- if left.nodetype=derefn then
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- begin
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- hp:=tderefnode(left).left;
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- tderefnode(left).left:=nil;
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- p.free;
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- p:=hp;
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- end;
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- { const pointer ? }
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- if (p.nodetype = pointerconstn) then
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+ niln:
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+ list.concat(Tai_const.Create_sym(nil));
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+ else
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+ Message(parser_e_illegal_expression);
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+ end;
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+ n.free;
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+ end;
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+
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+ procedure parse_pointerdef(list:tasmlist;def:tpointerdef);
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+ var
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+ hp,p : tnode;
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+ srsym : tsym;
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+ pd : tprocdef;
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+ ca : pchar;
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+ pw : pcompilerwidestring;
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+ i,len : longint;
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+ base,
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+ offset : aint;
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+ ll : tasmlabel;
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+ varalign : shortint;
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+ begin
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+ p:=comp_expr(true);
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+ { remove equal typecasts for pointer/nil addresses }
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+ if (p.nodetype=typeconvn) then
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+ with Ttypeconvnode(p) do
|
|
|
+ if (left.nodetype in [addrn,niln]) and equal_defs(def,p.resultdef) then
|
|
|
begin
|
|
|
- if sizeof(TConstPtrUInt)=8 then
|
|
|
- datalist.concat(Tai_const.Create_64bit(TConstPtrUInt(tpointerconstnode(p).value)))
|
|
|
- else
|
|
|
- if sizeof(TConstPtrUInt)=4 then
|
|
|
- datalist.concat(Tai_const.Create_32bit(TConstPtrUInt(tpointerconstnode(p).value)))
|
|
|
- else
|
|
|
- internalerror(200404122);
|
|
|
- end
|
|
|
- { nil pointer ? }
|
|
|
- else if p.nodetype=niln then
|
|
|
- datalist.concat(Tai_const.Create_sym(nil))
|
|
|
- { maybe pchar ? }
|
|
|
+ hp:=left;
|
|
|
+ left:=nil;
|
|
|
+ p.free;
|
|
|
+ p:=hp;
|
|
|
+ end;
|
|
|
+ { allows horrible ofs(typeof(TButton)^) code !! }
|
|
|
+ if (p.nodetype=addrn) then
|
|
|
+ with Taddrnode(p) do
|
|
|
+ if left.nodetype=derefn then
|
|
|
+ begin
|
|
|
+ hp:=tderefnode(left).left;
|
|
|
+ tderefnode(left).left:=nil;
|
|
|
+ p.free;
|
|
|
+ p:=hp;
|
|
|
+ end;
|
|
|
+ { const pointer ? }
|
|
|
+ if (p.nodetype = pointerconstn) then
|
|
|
+ begin
|
|
|
+ if sizeof(TConstPtrUInt)=8 then
|
|
|
+ list.concat(Tai_const.Create_64bit(TConstPtrUInt(tpointerconstnode(p).value)))
|
|
|
else
|
|
|
- if is_char(tpointerdef(def).pointeddef) and
|
|
|
- (p.nodetype<>addrn) then
|
|
|
- begin
|
|
|
- current_asmdata.getdatalabel(ll);
|
|
|
- datalist.concat(Tai_const.Create_sym(ll));
|
|
|
- if p.nodetype=stringconstn then
|
|
|
- varalign:=size_2_align(tstringconstnode(p).len)
|
|
|
- else
|
|
|
- varalign:=0;
|
|
|
- varalign:=const_align(varalign);
|
|
|
- current_asmdata.asmlists[al_const].concat(Tai_align.Create(varalign));
|
|
|
- current_asmdata.asmlists[al_const].concat(Tai_label.Create(ll));
|
|
|
- if p.nodetype=stringconstn then
|
|
|
- begin
|
|
|
- len:=tstringconstnode(p).len;
|
|
|
- { For tp7 the maximum lentgh can be 255 }
|
|
|
- if (m_tp7 in current_settings.modeswitches) and
|
|
|
- (len>255) then
|
|
|
- len:=255;
|
|
|
- getmem(ca,len+2);
|
|
|
- move(tstringconstnode(p).value_str^,ca^,len+1);
|
|
|
- current_asmdata.asmlists[al_const].concat(Tai_string.Create_pchar(ca,len+1));
|
|
|
- end
|
|
|
- else
|
|
|
- if is_constcharnode(p) then
|
|
|
- current_asmdata.asmlists[al_const].concat(Tai_string.Create(char(byte(tordconstnode(p).value))+#0))
|
|
|
- else
|
|
|
- message(parser_e_illegal_expression);
|
|
|
- end
|
|
|
- { maybe pwidechar ? }
|
|
|
+ if sizeof(TConstPtrUInt)=4 then
|
|
|
+ list.concat(Tai_const.Create_32bit(TConstPtrUInt(tpointerconstnode(p).value)))
|
|
|
else
|
|
|
- if is_widechar(tpointerdef(def).pointeddef) and
|
|
|
- (p.nodetype<>addrn) then
|
|
|
+ internalerror(200404122);
|
|
|
+ end
|
|
|
+ { nil pointer ? }
|
|
|
+ else if p.nodetype=niln then
|
|
|
+ list.concat(Tai_const.Create_sym(nil))
|
|
|
+ { maybe pchar ? }
|
|
|
+ else
|
|
|
+ if is_char(def.pointeddef) and
|
|
|
+ (p.nodetype<>addrn) then
|
|
|
+ begin
|
|
|
+ current_asmdata.getdatalabel(ll);
|
|
|
+ list.concat(Tai_const.Create_sym(ll));
|
|
|
+ if p.nodetype=stringconstn then
|
|
|
+ varalign:=size_2_align(tstringconstnode(p).len)
|
|
|
+ else
|
|
|
+ varalign:=0;
|
|
|
+ varalign:=const_align(varalign);
|
|
|
+ current_asmdata.asmlists[al_const].concat(Tai_align.Create(varalign));
|
|
|
+ current_asmdata.asmlists[al_const].concat(Tai_label.Create(ll));
|
|
|
+ if p.nodetype=stringconstn then
|
|
|
begin
|
|
|
- current_asmdata.getdatalabel(ll);
|
|
|
- datalist.concat(Tai_const.Create_sym(ll));
|
|
|
- current_asmdata.asmlists[al_typedconsts].concat(tai_align.create(const_align(sizeof(aint))));
|
|
|
- current_asmdata.asmlists[al_typedconsts].concat(Tai_label.Create(ll));
|
|
|
- if (p.nodetype in [stringconstn,ordconstn]) then
|
|
|
- begin
|
|
|
- { convert to widestring stringconstn }
|
|
|
- inserttypeconv(p,cwidestringtype);
|
|
|
- if (p.nodetype=stringconstn) and
|
|
|
- (tstringconstnode(p).cst_type=cst_widestring) then
|
|
|
- begin
|
|
|
- pw:=pcompilerwidestring(tstringconstnode(p).value_str);
|
|
|
- for i:=0 to tstringconstnode(p).len-1 do
|
|
|
- current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_16bit(pw^.data[i]));
|
|
|
- { ending #0 }
|
|
|
- current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_16bit(0))
|
|
|
- end;
|
|
|
- end
|
|
|
- else
|
|
|
- Message(parser_e_illegal_expression);
|
|
|
- end
|
|
|
- else
|
|
|
- if (p.nodetype=addrn) or
|
|
|
- is_procvar_load(p) then
|
|
|
+ len:=tstringconstnode(p).len;
|
|
|
+ { For tp7 the maximum lentgh can be 255 }
|
|
|
+ if (m_tp7 in current_settings.modeswitches) and
|
|
|
+ (len>255) then
|
|
|
+ len:=255;
|
|
|
+ getmem(ca,len+2);
|
|
|
+ move(tstringconstnode(p).value_str^,ca^,len+1);
|
|
|
+ current_asmdata.asmlists[al_const].concat(Tai_string.Create_pchar(ca,len+1));
|
|
|
+ end
|
|
|
+ else
|
|
|
+ if is_constcharnode(p) then
|
|
|
+ current_asmdata.asmlists[al_const].concat(Tai_string.Create(char(byte(tordconstnode(p).value))+#0))
|
|
|
+ else
|
|
|
+ message(parser_e_illegal_expression);
|
|
|
+ end
|
|
|
+ { maybe pwidechar ? }
|
|
|
+ else
|
|
|
+ if is_widechar(def.pointeddef) and
|
|
|
+ (p.nodetype<>addrn) then
|
|
|
+ begin
|
|
|
+ current_asmdata.getdatalabel(ll);
|
|
|
+ list.concat(Tai_const.Create_sym(ll));
|
|
|
+ current_asmdata.asmlists[al_typedconsts].concat(tai_align.create(const_align(sizeof(aint))));
|
|
|
+ current_asmdata.asmlists[al_typedconsts].concat(Tai_label.Create(ll));
|
|
|
+ if (p.nodetype in [stringconstn,ordconstn]) then
|
|
|
+ begin
|
|
|
+ { convert to widestring stringconstn }
|
|
|
+ inserttypeconv(p,cwidestringtype);
|
|
|
+ if (p.nodetype=stringconstn) and
|
|
|
+ (tstringconstnode(p).cst_type=cst_widestring) then
|
|
|
+ begin
|
|
|
+ pw:=pcompilerwidestring(tstringconstnode(p).value_str);
|
|
|
+ for i:=0 to tstringconstnode(p).len-1 do
|
|
|
+ current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_16bit(pw^.data[i]));
|
|
|
+ { ending #0 }
|
|
|
+ current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_16bit(0))
|
|
|
+ end;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ Message(parser_e_illegal_expression);
|
|
|
+ end
|
|
|
+ else
|
|
|
+ if (p.nodetype=addrn) or
|
|
|
+ is_procvar_load(p) then
|
|
|
+ begin
|
|
|
+ { insert typeconv }
|
|
|
+ inserttypeconv(p,def);
|
|
|
+ hp:=p;
|
|
|
+ while assigned(hp) and (hp.nodetype in [addrn,typeconvn,subscriptn,vecn]) do
|
|
|
+ hp:=tunarynode(hp).left;
|
|
|
+ if (hp.nodetype=loadn) then
|
|
|
begin
|
|
|
- { insert typeconv }
|
|
|
- inserttypeconv(p,def);
|
|
|
hp:=p;
|
|
|
- while assigned(hp) and (hp.nodetype in [addrn,typeconvn,subscriptn,vecn]) do
|
|
|
- hp:=tunarynode(hp).left;
|
|
|
- if (hp.nodetype=loadn) then
|
|
|
+ offset:=0;
|
|
|
+ while assigned(hp) and (hp.nodetype<>loadn) do
|
|
|
begin
|
|
|
- hp:=p;
|
|
|
- offset:=0;
|
|
|
- while assigned(hp) and (hp.nodetype<>loadn) do
|
|
|
- begin
|
|
|
- case hp.nodetype of
|
|
|
- vecn :
|
|
|
- begin
|
|
|
- case tvecnode(hp).left.resultdef.typ of
|
|
|
- stringdef :
|
|
|
- begin
|
|
|
- { this seems OK for shortstring and ansistrings PM }
|
|
|
- { it is wrong for widestrings !! }
|
|
|
+ case hp.nodetype of
|
|
|
+ vecn :
|
|
|
+ begin
|
|
|
+ case tvecnode(hp).left.resultdef.typ of
|
|
|
+ stringdef :
|
|
|
+ begin
|
|
|
+ { this seems OK for shortstring and ansistrings PM }
|
|
|
+ { it is wrong for widestrings !! }
|
|
|
+ len:=1;
|
|
|
+ base:=0;
|
|
|
+ end;
|
|
|
+ arraydef :
|
|
|
+ begin
|
|
|
+ if not is_packed_array(tvecnode(hp).left.resultdef) then
|
|
|
+ begin
|
|
|
+ len:=tarraydef(tvecnode(hp).left.resultdef).elesize;
|
|
|
+ base:=tarraydef(tvecnode(hp).left.resultdef).lowrange;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ Message(parser_e_packed_dynamic_open_array);
|
|
|
len:=1;
|
|
|
base:=0;
|
|
|
- end;
|
|
|
- arraydef :
|
|
|
- begin
|
|
|
- if not is_packed_array(tvecnode(hp).left.resultdef) then
|
|
|
- begin
|
|
|
- len:=tarraydef(tvecnode(hp).left.resultdef).elesize;
|
|
|
- base:=tarraydef(tvecnode(hp).left.resultdef).lowrange;
|
|
|
- end
|
|
|
- else
|
|
|
- begin
|
|
|
- Message(parser_e_packed_dynamic_open_array);
|
|
|
- len:=1;
|
|
|
- base:=0;
|
|
|
- end;
|
|
|
- end
|
|
|
- else
|
|
|
- Message(parser_e_illegal_expression);
|
|
|
- end;
|
|
|
- if is_constintnode(tvecnode(hp).right) then
|
|
|
- inc(offset,len*(get_ordinal_value(tvecnode(hp).right)-base))
|
|
|
- else
|
|
|
- Message(parser_e_illegal_expression);
|
|
|
- end;
|
|
|
- subscriptn :
|
|
|
- inc(offset,tsubscriptnode(hp).vs.fieldoffset);
|
|
|
- typeconvn :
|
|
|
- begin
|
|
|
- if not(ttypeconvnode(hp).convtype in [tc_equal,tc_proc_2_procvar]) then
|
|
|
- Message(parser_e_illegal_expression);
|
|
|
- end;
|
|
|
- addrn :
|
|
|
- ;
|
|
|
+ end;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ Message(parser_e_illegal_expression);
|
|
|
+ end;
|
|
|
+ if is_constintnode(tvecnode(hp).right) then
|
|
|
+ inc(offset,len*(get_ordinal_value(tvecnode(hp).right)-base))
|
|
|
else
|
|
|
Message(parser_e_illegal_expression);
|
|
|
end;
|
|
|
- hp:=tunarynode(hp).left;
|
|
|
- end;
|
|
|
- srsym:=tloadnode(hp).symtableentry;
|
|
|
- case srsym.typ of
|
|
|
- procsym :
|
|
|
- begin
|
|
|
- pd:=tprocdef(tprocsym(srsym).ProcdefList[0]);
|
|
|
- if Tprocsym(srsym).ProcdefList.Count>1 then
|
|
|
- Message(parser_e_no_overloaded_procvars);
|
|
|
- if po_abstractmethod in pd.procoptions then
|
|
|
- Message(type_e_cant_take_address_of_abstract_method)
|
|
|
- else
|
|
|
- datalist.concat(Tai_const.Createname(pd.mangledname,offset));
|
|
|
- end;
|
|
|
- globalvarsym :
|
|
|
- datalist.concat(Tai_const.Createname(tglobalvarsym(srsym).mangledname,offset));
|
|
|
- typedconstsym :
|
|
|
- datalist.concat(Tai_const.Createname(ttypedconstsym(srsym).mangledname,offset));
|
|
|
- labelsym :
|
|
|
- datalist.concat(Tai_const.Createname(tlabelsym(srsym).mangledname,offset));
|
|
|
- constsym :
|
|
|
- if tconstsym(srsym).consttyp=constresourcestring then
|
|
|
- datalist.concat(Tai_const.Createname(make_mangledname('RESOURCESTRINGLIST',tconstsym(srsym).owner,''),tconstsym(srsym).resstrindex*(4+sizeof(aint)*3)+4+sizeof(aint)))
|
|
|
- else
|
|
|
- Message(type_e_variable_id_expected);
|
|
|
+ subscriptn :
|
|
|
+ inc(offset,tsubscriptnode(hp).vs.fieldoffset);
|
|
|
+ typeconvn :
|
|
|
+ begin
|
|
|
+ if not(ttypeconvnode(hp).convtype in [tc_equal,tc_proc_2_procvar]) then
|
|
|
+ Message(parser_e_illegal_expression);
|
|
|
+ end;
|
|
|
+ addrn :
|
|
|
+ ;
|
|
|
+ else
|
|
|
+ Message(parser_e_illegal_expression);
|
|
|
+ end;
|
|
|
+ hp:=tunarynode(hp).left;
|
|
|
+ end;
|
|
|
+ srsym:=tloadnode(hp).symtableentry;
|
|
|
+ case srsym.typ of
|
|
|
+ procsym :
|
|
|
+ begin
|
|
|
+ pd:=tprocdef(tprocsym(srsym).ProcdefList[0]);
|
|
|
+ if Tprocsym(srsym).ProcdefList.Count>1 then
|
|
|
+ Message(parser_e_no_overloaded_procvars);
|
|
|
+ if po_abstractmethod in pd.procoptions then
|
|
|
+ Message(type_e_cant_take_address_of_abstract_method)
|
|
|
else
|
|
|
- Message(type_e_variable_id_expected);
|
|
|
+ list.concat(Tai_const.Createname(pd.mangledname,offset));
|
|
|
end;
|
|
|
- end
|
|
|
- else
|
|
|
- Message(parser_e_illegal_expression);
|
|
|
+ staticvarsym :
|
|
|
+ list.concat(Tai_const.Createname(tstaticvarsym(srsym).mangledname,offset));
|
|
|
+ labelsym :
|
|
|
+ list.concat(Tai_const.Createname(tlabelsym(srsym).mangledname,offset));
|
|
|
+ constsym :
|
|
|
+ if tconstsym(srsym).consttyp=constresourcestring then
|
|
|
+ list.concat(Tai_const.Createname(make_mangledname('RESOURCESTRINGLIST',tconstsym(srsym).owner,''),tconstsym(srsym).resstrindex*(4+sizeof(aint)*3)+4+sizeof(aint)))
|
|
|
+ else
|
|
|
+ Message(type_e_variable_id_expected);
|
|
|
+ else
|
|
|
+ Message(type_e_variable_id_expected);
|
|
|
+ end;
|
|
|
end
|
|
|
- else
|
|
|
- { allow typeof(Object type)}
|
|
|
- if (p.nodetype=inlinen) and
|
|
|
- (tinlinenode(p).inlinenumber=in_typeof_x) then
|
|
|
+ else
|
|
|
+ Message(parser_e_illegal_expression);
|
|
|
+ end
|
|
|
+ else
|
|
|
+ { allow typeof(Object type)}
|
|
|
+ if (p.nodetype=inlinen) and
|
|
|
+ (tinlinenode(p).inlinenumber=in_typeof_x) then
|
|
|
+ begin
|
|
|
+ if (tinlinenode(p).left.nodetype=typen) then
|
|
|
begin
|
|
|
- if (tinlinenode(p).left.nodetype=typen) then
|
|
|
- begin
|
|
|
- datalist.concat(Tai_const.createname(
|
|
|
- tobjectdef(tinlinenode(p).left.resultdef).vmt_mangledname,0));
|
|
|
- end
|
|
|
- else
|
|
|
- Message(parser_e_illegal_expression);
|
|
|
+ list.concat(Tai_const.createname(
|
|
|
+ tobjectdef(tinlinenode(p).left.resultdef).vmt_mangledname,0));
|
|
|
end
|
|
|
- else
|
|
|
- Message(parser_e_illegal_expression);
|
|
|
- p.free;
|
|
|
- end;
|
|
|
- setdef:
|
|
|
- begin
|
|
|
- p:=comp_expr(true);
|
|
|
- if p.nodetype=setconstn then
|
|
|
- begin
|
|
|
- { be sure to convert to the correct result, else
|
|
|
- it can generate smallset data instead of normalset (PFV) }
|
|
|
- inserttypeconv(p,def);
|
|
|
- { we only allow const sets }
|
|
|
- if assigned(tsetconstnode(p).left) then
|
|
|
- Message(parser_e_illegal_expression)
|
|
|
- else
|
|
|
- begin
|
|
|
- { this writing is endian independant }
|
|
|
- { untrue - because they are considered }
|
|
|
- { arrays of 32-bit values CEC }
|
|
|
+ else
|
|
|
+ Message(parser_e_illegal_expression);
|
|
|
+ end
|
|
|
+ else
|
|
|
+ Message(parser_e_illegal_expression);
|
|
|
+ p.free;
|
|
|
+ end;
|
|
|
|
|
|
- if source_info.endian = target_info.endian then
|
|
|
- begin
|
|
|
- for l:=0 to p.resultdef.size-1 do
|
|
|
- datalist.concat(tai_const.create_8bit(Psetbytes(tsetconstnode(p).value_set)^[l]));
|
|
|
- end
|
|
|
- else
|
|
|
- begin
|
|
|
- { store as longint values in swaped format }
|
|
|
- j:=0;
|
|
|
- for l:=0 to ((p.resultdef.size-1) div 4) do
|
|
|
- begin
|
|
|
- datalist.concat(tai_const.create_8bit(Psetbytes(tsetconstnode(p).value_set)^[j+3]));
|
|
|
- datalist.concat(tai_const.create_8bit(Psetbytes(tsetconstnode(p).value_set)^[j+2]));
|
|
|
- datalist.concat(tai_const.create_8bit(Psetbytes(tsetconstnode(p).value_set)^[j+1]));
|
|
|
- datalist.concat(tai_const.create_8bit(Psetbytes(tsetconstnode(p).value_set)^[j]));
|
|
|
- Inc(j,4);
|
|
|
- end;
|
|
|
- end;
|
|
|
- end;
|
|
|
- end
|
|
|
+ procedure parse_setdef(list:tasmlist;def:tsetdef);
|
|
|
+ type
|
|
|
+ setbytes = array[0..31] of byte;
|
|
|
+ Psetbytes = ^setbytes;
|
|
|
+ var
|
|
|
+ p : tnode;
|
|
|
+ i,j : longint;
|
|
|
+ begin
|
|
|
+ p:=comp_expr(true);
|
|
|
+ if p.nodetype=setconstn then
|
|
|
+ begin
|
|
|
+ { be sure to convert to the correct result, else
|
|
|
+ it can generate smallset data instead of normalset (PFV) }
|
|
|
+ inserttypeconv(p,def);
|
|
|
+ { we only allow const sets }
|
|
|
+ if assigned(tsetconstnode(p).left) then
|
|
|
+ Message(parser_e_illegal_expression)
|
|
|
else
|
|
|
- Message(parser_e_illegal_expression);
|
|
|
- p.free;
|
|
|
- end;
|
|
|
- enumdef:
|
|
|
- begin
|
|
|
- p:=comp_expr(true);
|
|
|
- if p.nodetype=ordconstn then
|
|
|
begin
|
|
|
- if equal_defs(p.resultdef,def) or
|
|
|
- is_subequal(p.resultdef,def) then
|
|
|
- begin
|
|
|
- case longint(p.resultdef.size) of
|
|
|
- 1 : datalist.concat(Tai_const.Create_8bit(Byte(tordconstnode(p).value)));
|
|
|
- 2 : datalist.concat(Tai_const.Create_16bit(Word(tordconstnode(p).value)));
|
|
|
- 4 : datalist.concat(Tai_const.Create_32bit(Longint(tordconstnode(p).value)));
|
|
|
- end;
|
|
|
- end
|
|
|
+ { this writing is endian independant }
|
|
|
+ { untrue - because they are considered }
|
|
|
+ { arrays of 32-bit values CEC }
|
|
|
+ if source_info.endian = target_info.endian then
|
|
|
+ begin
|
|
|
+ for i:=0 to p.resultdef.size-1 do
|
|
|
+ list.concat(tai_const.create_8bit(Psetbytes(tsetconstnode(p).value_set)^[i]));
|
|
|
+ end
|
|
|
else
|
|
|
- IncompatibleTypes(p.resultdef,def);
|
|
|
- end
|
|
|
- else
|
|
|
- Message(parser_e_illegal_expression);
|
|
|
- p.free;
|
|
|
- end;
|
|
|
- stringdef:
|
|
|
- begin
|
|
|
- p:=comp_expr(true);
|
|
|
- { load strval and strlength of the constant tree }
|
|
|
- if (p.nodetype=stringconstn) or is_widestring(def) then
|
|
|
- begin
|
|
|
- { convert to the expected string type so that
|
|
|
- for widestrings strval is a pcompilerwidestring }
|
|
|
- inserttypeconv(p,def);
|
|
|
- strlength:=tstringconstnode(p).len;
|
|
|
- strval:=tstringconstnode(p).value_str;
|
|
|
- end
|
|
|
- else if is_constcharnode(p) then
|
|
|
- begin
|
|
|
- { strval:=pchar(@tordconstnode(p).value);
|
|
|
- THIS FAIL on BIG_ENDIAN MACHINES PM }
|
|
|
- c:=chr(tordconstnode(p).value and $ff);
|
|
|
- strval:=@c;
|
|
|
- strlength:=1
|
|
|
- end
|
|
|
- else if is_constresourcestringnode(p) then
|
|
|
+ begin
|
|
|
+ { store as longint values in swaped format }
|
|
|
+ j:=0;
|
|
|
+ for i:=0 to ((p.resultdef.size-1) div 4) do
|
|
|
+ begin
|
|
|
+ list.concat(tai_const.create_8bit(Psetbytes(tsetconstnode(p).value_set)^[j+3]));
|
|
|
+ list.concat(tai_const.create_8bit(Psetbytes(tsetconstnode(p).value_set)^[j+2]));
|
|
|
+ list.concat(tai_const.create_8bit(Psetbytes(tsetconstnode(p).value_set)^[j+1]));
|
|
|
+ list.concat(tai_const.create_8bit(Psetbytes(tsetconstnode(p).value_set)^[j]));
|
|
|
+ Inc(j,4);
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ Message(parser_e_illegal_expression);
|
|
|
+ p.free;
|
|
|
+ end;
|
|
|
+
|
|
|
+ procedure parse_enumdef(list:tasmlist;def:tenumdef);
|
|
|
+ var
|
|
|
+ p : tnode;
|
|
|
+ begin
|
|
|
+ p:=comp_expr(true);
|
|
|
+ if p.nodetype=ordconstn then
|
|
|
+ begin
|
|
|
+ if equal_defs(p.resultdef,def) or
|
|
|
+ is_subequal(p.resultdef,def) then
|
|
|
begin
|
|
|
- strval:=pchar(tconstsym(tloadnode(p).symtableentry).value.valueptr);
|
|
|
- strlength:=tconstsym(tloadnode(p).symtableentry).value.len;
|
|
|
+ case longint(p.resultdef.size) of
|
|
|
+ 1 : list.concat(Tai_const.Create_8bit(Byte(tordconstnode(p).value)));
|
|
|
+ 2 : list.concat(Tai_const.Create_16bit(Word(tordconstnode(p).value)));
|
|
|
+ 4 : list.concat(Tai_const.Create_32bit(Longint(tordconstnode(p).value)));
|
|
|
+ end;
|
|
|
end
|
|
|
else
|
|
|
- begin
|
|
|
- Message(parser_e_illegal_expression);
|
|
|
- strlength:=-1;
|
|
|
- end;
|
|
|
- if strlength>=0 then
|
|
|
- begin
|
|
|
- case tstringdef(def).stringtype of
|
|
|
- st_shortstring:
|
|
|
- begin
|
|
|
- if strlength>=def.size then
|
|
|
- begin
|
|
|
- message2(parser_w_string_too_long,strpas(strval),tostr(def.size-1));
|
|
|
- strlength:=def.size-1;
|
|
|
- end;
|
|
|
- datalist.concat(Tai_const.Create_8bit(strlength));
|
|
|
- { this can also handle longer strings }
|
|
|
- getmem(ca,strlength+1);
|
|
|
- move(strval^,ca^,strlength);
|
|
|
- ca[strlength]:=#0;
|
|
|
- datalist.concat(Tai_string.Create_pchar(ca,strlength));
|
|
|
- { fillup with spaces if size is shorter }
|
|
|
- if def.size>strlength then
|
|
|
- begin
|
|
|
- getmem(ca,def.size-strlength);
|
|
|
- { def.size contains also the leading length, so we }
|
|
|
- { we have to subtract one }
|
|
|
- fillchar(ca[0],def.size-strlength-1,' ');
|
|
|
- ca[def.size-strlength-1]:=#0;
|
|
|
- { this can also handle longer strings }
|
|
|
- datalist.concat(Tai_string.Create_pchar(ca,def.size-strlength-1));
|
|
|
- end;
|
|
|
- end;
|
|
|
- st_ansistring:
|
|
|
- begin
|
|
|
- { an empty ansi string is nil! }
|
|
|
- if (strlength=0) then
|
|
|
- datalist.concat(Tai_const.Create_sym(nil))
|
|
|
- else
|
|
|
- begin
|
|
|
- current_asmdata.getdatalabel(ll);
|
|
|
- datalist.concat(Tai_const.Create_sym(ll));
|
|
|
- current_asmdata.asmlists[al_const].concat(tai_align.create(const_align(sizeof(aint))));
|
|
|
- current_asmdata.asmlists[al_const].concat(Tai_const.Create_aint(-1));
|
|
|
- current_asmdata.asmlists[al_const].concat(Tai_const.Create_aint(strlength));
|
|
|
- current_asmdata.asmlists[al_const].concat(Tai_label.Create(ll));
|
|
|
- getmem(ca,strlength+1);
|
|
|
- move(strval^,ca^,strlength);
|
|
|
- { The terminating #0 to be stored in the .data section (JM) }
|
|
|
- ca[strlength]:=#0;
|
|
|
- current_asmdata.asmlists[al_const].concat(Tai_string.Create_pchar(ca,strlength+1));
|
|
|
- end;
|
|
|
- end;
|
|
|
- st_widestring:
|
|
|
+ IncompatibleTypes(p.resultdef,def);
|
|
|
+ end
|
|
|
+ else
|
|
|
+ Message(parser_e_illegal_expression);
|
|
|
+ p.free;
|
|
|
+ end;
|
|
|
+
|
|
|
+ procedure parse_stringdef(list:tasmlist;def:tstringdef);
|
|
|
+ var
|
|
|
+ n : tnode;
|
|
|
+ i : longint;
|
|
|
+ strlength : aint;
|
|
|
+ strval : pchar;
|
|
|
+ strch : char;
|
|
|
+ ll : tasmlabel;
|
|
|
+ ca : pchar;
|
|
|
+ begin
|
|
|
+ n:=comp_expr(true);
|
|
|
+ { load strval and strlength of the constant tree }
|
|
|
+ if (n.nodetype=stringconstn) or is_widestring(def) then
|
|
|
+ begin
|
|
|
+ { convert to the expected string type so that
|
|
|
+ for widestrings strval is a pcompilerwidestring }
|
|
|
+ inserttypeconv(n,def);
|
|
|
+ strlength:=tstringconstnode(n).len;
|
|
|
+ strval:=tstringconstnode(n).value_str;
|
|
|
+ end
|
|
|
+ else if is_constcharnode(n) then
|
|
|
+ begin
|
|
|
+ { strval:=pchar(@tordconstnode(n).value);
|
|
|
+ THIS FAIL on BIG_ENDIAN MACHINES PM }
|
|
|
+ strch:=chr(tordconstnode(n).value and $ff);
|
|
|
+ strval:=@strch;
|
|
|
+ strlength:=1
|
|
|
+ end
|
|
|
+ else if is_constresourcestringnode(n) then
|
|
|
+ begin
|
|
|
+ strval:=pchar(tconstsym(tloadnode(n).symtableentry).value.valueptr);
|
|
|
+ strlength:=tconstsym(tloadnode(n).symtableentry).value.len;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ Message(parser_e_illegal_expression);
|
|
|
+ strlength:=-1;
|
|
|
+ end;
|
|
|
+ if strlength>=0 then
|
|
|
+ begin
|
|
|
+ case def.stringtype of
|
|
|
+ st_shortstring:
|
|
|
+ begin
|
|
|
+ if strlength>=def.size then
|
|
|
begin
|
|
|
- { an empty ansi string is nil! }
|
|
|
- if (strlength=0) then
|
|
|
- datalist.concat(Tai_const.Create_sym(nil))
|
|
|
- else
|
|
|
- begin
|
|
|
- current_asmdata.getdatalabel(ll);
|
|
|
- datalist.concat(Tai_const.Create_sym(ll));
|
|
|
- current_asmdata.asmlists[al_const].concat(tai_align.create(const_align(sizeof(aint))));
|
|
|
- if tf_winlikewidestring in target_info.flags then
|
|
|
- current_asmdata.asmlists[al_const].concat(Tai_const.Create_32bit(strlength*cwidechartype.size))
|
|
|
- else
|
|
|
- begin
|
|
|
- current_asmdata.asmlists[al_const].concat(Tai_const.Create_aint(-1));
|
|
|
- current_asmdata.asmlists[al_const].concat(Tai_const.Create_aint(strlength*cwidechartype.size));
|
|
|
- end;
|
|
|
- current_asmdata.asmlists[al_const].concat(Tai_label.Create(ll));
|
|
|
- for i:=0 to strlength-1 do
|
|
|
- current_asmdata.asmlists[al_const].concat(Tai_const.Create_16bit(pcompilerwidestring(strval)^.data[i]));
|
|
|
- { ending #0 }
|
|
|
- current_asmdata.asmlists[al_const].concat(Tai_const.Create_16bit(0))
|
|
|
- end;
|
|
|
+ message2(parser_w_string_too_long,strpas(strval),tostr(def.size-1));
|
|
|
+ strlength:=def.size-1;
|
|
|
end;
|
|
|
- st_longstring:
|
|
|
+ list.concat(Tai_const.Create_8bit(strlength));
|
|
|
+ { this can also handle longer strings }
|
|
|
+ getmem(ca,strlength+1);
|
|
|
+ move(strval^,ca^,strlength);
|
|
|
+ ca[strlength]:=#0;
|
|
|
+ list.concat(Tai_string.Create_pchar(ca,strlength));
|
|
|
+ { fillup with spaces if size is shorter }
|
|
|
+ if def.size>strlength then
|
|
|
begin
|
|
|
- internalerror(200107081);
|
|
|
+ getmem(ca,def.size-strlength);
|
|
|
+ { def.size contains also the leading length, so we }
|
|
|
+ { we have to subtract one }
|
|
|
+ fillchar(ca[0],def.size-strlength-1,' ');
|
|
|
+ ca[def.size-strlength-1]:=#0;
|
|
|
+ { this can also handle longer strings }
|
|
|
+ list.concat(Tai_string.Create_pchar(ca,def.size-strlength-1));
|
|
|
end;
|
|
|
- end;
|
|
|
- end;
|
|
|
- p.free;
|
|
|
- end;
|
|
|
- arraydef:
|
|
|
- begin
|
|
|
- { dynamic array nil }
|
|
|
- if is_dynamic_array(def) then
|
|
|
+ end;
|
|
|
+ st_ansistring:
|
|
|
+ begin
|
|
|
+ { an empty ansi string is nil! }
|
|
|
+ if (strlength=0) then
|
|
|
+ list.concat(Tai_const.Create_sym(nil))
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ current_asmdata.getdatalabel(ll);
|
|
|
+ list.concat(Tai_const.Create_sym(ll));
|
|
|
+ current_asmdata.asmlists[al_const].concat(tai_align.create(const_align(sizeof(aint))));
|
|
|
+ current_asmdata.asmlists[al_const].concat(Tai_const.Create_aint(-1));
|
|
|
+ current_asmdata.asmlists[al_const].concat(Tai_const.Create_aint(strlength));
|
|
|
+ current_asmdata.asmlists[al_const].concat(Tai_label.Create(ll));
|
|
|
+ getmem(ca,strlength+1);
|
|
|
+ move(strval^,ca^,strlength);
|
|
|
+ { The terminating #0 to be stored in the .data section (JM) }
|
|
|
+ ca[strlength]:=#0;
|
|
|
+ current_asmdata.asmlists[al_const].concat(Tai_string.Create_pchar(ca,strlength+1));
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+ st_widestring:
|
|
|
+ begin
|
|
|
+ { an empty ansi string is nil! }
|
|
|
+ if (strlength=0) then
|
|
|
+ list.concat(Tai_const.Create_sym(nil))
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ current_asmdata.getdatalabel(ll);
|
|
|
+ list.concat(Tai_const.Create_sym(ll));
|
|
|
+ current_asmdata.asmlists[al_const].concat(tai_align.create(const_align(sizeof(aint))));
|
|
|
+ if tf_winlikewidestring in target_info.flags then
|
|
|
+ current_asmdata.asmlists[al_const].concat(Tai_const.Create_32bit(strlength*cwidechartype.size))
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ current_asmdata.asmlists[al_const].concat(Tai_const.Create_aint(-1));
|
|
|
+ current_asmdata.asmlists[al_const].concat(Tai_const.Create_aint(strlength*cwidechartype.size));
|
|
|
+ end;
|
|
|
+ current_asmdata.asmlists[al_const].concat(Tai_label.Create(ll));
|
|
|
+ for i:=0 to strlength-1 do
|
|
|
+ current_asmdata.asmlists[al_const].concat(Tai_const.Create_16bit(pcompilerwidestring(strval)^.data[i]));
|
|
|
+ { ending #0 }
|
|
|
+ current_asmdata.asmlists[al_const].concat(Tai_const.Create_16bit(0))
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+ else
|
|
|
+ internalerror(200107081);
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+ n.free;
|
|
|
+ end;
|
|
|
+
|
|
|
+ procedure parse_arraydef(list:tasmlist;def:tarraydef);
|
|
|
+ var
|
|
|
+ n : tnode;
|
|
|
+ i : longint;
|
|
|
+ len : aint;
|
|
|
+ ch : char;
|
|
|
+ ca : pchar;
|
|
|
+ begin
|
|
|
+ { dynamic array nil }
|
|
|
+ if is_dynamic_array(def) then
|
|
|
+ begin
|
|
|
+ { Only allow nil initialization }
|
|
|
+ consume(_NIL);
|
|
|
+ list.concat(Tai_const.Create_sym(nil));
|
|
|
+ end
|
|
|
+ { no packed array constants supported }
|
|
|
+ else if is_packed_array(def) then
|
|
|
+ begin
|
|
|
+ Message(type_e_no_const_packed_array);
|
|
|
+ consume_all_until(_RKLAMMER);
|
|
|
+ end
|
|
|
+ { normal array const between brackets }
|
|
|
+ else if try_to_consume(_LKLAMMER) then
|
|
|
+ begin
|
|
|
+ for i:=def.lowrange to def.highrange-1 do
|
|
|
begin
|
|
|
- { Only allow nil initialization }
|
|
|
- consume(_NIL);
|
|
|
- datalist.concat(Tai_const.Create_sym(nil));
|
|
|
- end
|
|
|
- { no packed array constants supported }
|
|
|
- else if is_packed_array(def) then
|
|
|
+ read_typed_const_data(list,def.elementdef);
|
|
|
+ consume(_COMMA);
|
|
|
+ end;
|
|
|
+ read_typed_const_data(list,def.elementdef);
|
|
|
+ consume(_RKLAMMER);
|
|
|
+ end
|
|
|
+ { if array of char then we allow also a string }
|
|
|
+ else if is_char(def.elementdef) then
|
|
|
+ begin
|
|
|
+ n:=comp_expr(true);
|
|
|
+ if n.nodetype=stringconstn then
|
|
|
begin
|
|
|
- Message(type_e_no_const_packed_array);
|
|
|
- consume_all_until(_RKLAMMER);
|
|
|
+ len:=tstringconstnode(n).len;
|
|
|
+ { For tp7 the maximum lentgh can be 255 }
|
|
|
+ if (m_tp7 in current_settings.modeswitches) and
|
|
|
+ (len>255) then
|
|
|
+ len:=255;
|
|
|
+ ca:=tstringconstnode(n).value_str;
|
|
|
end
|
|
|
- else
|
|
|
- if try_to_consume(_LKLAMMER) then
|
|
|
- begin
|
|
|
- for l:=tarraydef(def).lowrange to tarraydef(def).highrange-1 do
|
|
|
- begin
|
|
|
- readtypedconst(datalist,tarraydef(def).elementdef,nil,writable);
|
|
|
- consume(_COMMA);
|
|
|
- end;
|
|
|
- readtypedconst(datalist,tarraydef(def).elementdef,nil,writable);
|
|
|
- consume(_RKLAMMER);
|
|
|
- end
|
|
|
- else
|
|
|
- { if array of char then we allow also a string }
|
|
|
- if is_char(tarraydef(def).elementdef) then
|
|
|
+ else
|
|
|
+ if is_constcharnode(n) then
|
|
|
+ begin
|
|
|
+ ch:=chr(tordconstnode(n).value and $ff);
|
|
|
+ ca:=@ch;
|
|
|
+ len:=1;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ Message(parser_e_illegal_expression);
|
|
|
+ len:=0;
|
|
|
+ end;
|
|
|
+ if len>(def.highrange-def.lowrange+1) then
|
|
|
+ Message(parser_e_string_larger_array);
|
|
|
+ for i:=def.lowrange to def.highrange do
|
|
|
+ begin
|
|
|
+ if i+1-def.lowrange<=len then
|
|
|
+ begin
|
|
|
+ list.concat(Tai_const.Create_8bit(byte(ca^)));
|
|
|
+ inc(ca);
|
|
|
+ end
|
|
|
+ else
|
|
|
+ {Fill the remaining positions with #0.}
|
|
|
+ list.concat(Tai_const.Create_8bit(0));
|
|
|
+ end;
|
|
|
+ n.free;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ begin
|
|
|
+ { we want the ( }
|
|
|
+ consume(_LKLAMMER);
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+
|
|
|
+ procedure parse_procvardef(list:tasmlist;def:tprocvardef);
|
|
|
+ var
|
|
|
+ tmpn,n : tnode;
|
|
|
+ pd : tprocdef;
|
|
|
+ begin
|
|
|
+ { Procvars and pointers are no longer compatible. }
|
|
|
+ { under tp: =nil or =var under fpc: =nil or =@var }
|
|
|
+ if try_to_consume(_NIL) then
|
|
|
+ begin
|
|
|
+ list.concat(Tai_const.Create_sym(nil));
|
|
|
+ if (po_methodpointer in def.procoptions) then
|
|
|
+ list.concat(Tai_const.Create_sym(nil));
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ { you can't assign a value other than NIL to a typed constant }
|
|
|
+ { which is a "procedure of object", because this also requires }
|
|
|
+ { address of an object/class instance, which is not known at }
|
|
|
+ { compile time (JM) }
|
|
|
+ if (po_methodpointer in def.procoptions) then
|
|
|
+ Message(parser_e_no_procvarobj_const);
|
|
|
+ { parse the rest too, so we can continue with error checking }
|
|
|
+ getprocvardef:=def;
|
|
|
+ n:=comp_expr(true);
|
|
|
+ getprocvardef:=nil;
|
|
|
+ if codegenerror then
|
|
|
+ begin
|
|
|
+ n.free;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ { let type conversion check everything needed }
|
|
|
+ inserttypeconv(n,def);
|
|
|
+ if codegenerror then
|
|
|
+ begin
|
|
|
+ n.free;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ { remove typeconvs, that will normally insert a lea
|
|
|
+ instruction which is not necessary for us }
|
|
|
+ while n.nodetype=typeconvn do
|
|
|
+ begin
|
|
|
+ tmpn:=ttypeconvnode(n).left;
|
|
|
+ ttypeconvnode(n).left:=nil;
|
|
|
+ n.free;
|
|
|
+ n:=tmpn;
|
|
|
+ end;
|
|
|
+ { remove addrn which we also don't need here }
|
|
|
+ if n.nodetype=addrn then
|
|
|
+ begin
|
|
|
+ tmpn:=taddrnode(n).left;
|
|
|
+ taddrnode(n).left:=nil;
|
|
|
+ n.free;
|
|
|
+ n:=tmpn;
|
|
|
+ end;
|
|
|
+ { we now need to have a loadn with a procsym }
|
|
|
+ if (n.nodetype=loadn) and
|
|
|
+ (tloadnode(n).symtableentry.typ=procsym) then
|
|
|
+ begin
|
|
|
+ pd:=tprocdef(tprocsym(tloadnode(n).symtableentry).ProcdefList[0]);
|
|
|
+ list.concat(Tai_const.createname(pd.mangledname,0));
|
|
|
+ end
|
|
|
+ else
|
|
|
+ Message(parser_e_illegal_expression);
|
|
|
+ n.free;
|
|
|
+ end;
|
|
|
+
|
|
|
+ procedure parse_recorddef(list:tasmlist;def:trecorddef);
|
|
|
+ var
|
|
|
+ n : tnode;
|
|
|
+ i,
|
|
|
+ symidx : longint;
|
|
|
+ recsym,
|
|
|
+ srsym : tsym;
|
|
|
+ hs : string;
|
|
|
+ sorg,s : TIDString;
|
|
|
+ tmpguid : tguid;
|
|
|
+ curroffset : aint;
|
|
|
+ error : boolean;
|
|
|
+ begin
|
|
|
+ { no packed record support }
|
|
|
+ if is_packed_record_or_object(def) then
|
|
|
+ begin
|
|
|
+ Message(type_e_no_const_packed_record);
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ { GUID }
|
|
|
+ if (def=rec_tguid) and
|
|
|
+ ((token=_CSTRING) or (token=_CCHAR) or (token=_ID)) then
|
|
|
+ begin
|
|
|
+ n:=comp_expr(true);
|
|
|
+ inserttypeconv(n,cshortstringtype);
|
|
|
+ if n.nodetype=stringconstn then
|
|
|
begin
|
|
|
- p:=comp_expr(true);
|
|
|
- if p.nodetype=stringconstn then
|
|
|
+ hs:=strpas(tstringconstnode(n).value_str);
|
|
|
+ if string2guid(hs,tmpguid) then
|
|
|
begin
|
|
|
- len:=tstringconstnode(p).len;
|
|
|
- { For tp7 the maximum lentgh can be 255 }
|
|
|
- if (m_tp7 in current_settings.modeswitches) and
|
|
|
- (len>255) then
|
|
|
- len:=255;
|
|
|
- ca:=tstringconstnode(p).value_str;
|
|
|
+ list.concat(Tai_const.Create_32bit(longint(tmpguid.D1)));
|
|
|
+ list.concat(Tai_const.Create_16bit(tmpguid.D2));
|
|
|
+ list.concat(Tai_const.Create_16bit(tmpguid.D3));
|
|
|
+ for i:=Low(tmpguid.D4) to High(tmpguid.D4) do
|
|
|
+ list.concat(Tai_const.Create_8bit(tmpguid.D4[i]));
|
|
|
end
|
|
|
- else
|
|
|
- if is_constcharnode(p) then
|
|
|
- begin
|
|
|
- c:=chr(tordconstnode(p).value and $ff);
|
|
|
- ca:=@c;
|
|
|
- len:=1;
|
|
|
- end
|
|
|
- else
|
|
|
- begin
|
|
|
- Message(parser_e_illegal_expression);
|
|
|
- len:=0;
|
|
|
- end;
|
|
|
- if len>(tarraydef(def).highrange-tarraydef(def).lowrange+1) then
|
|
|
- Message(parser_e_string_larger_array);
|
|
|
- for i:=tarraydef(def).lowrange to tarraydef(def).highrange do
|
|
|
- begin
|
|
|
- if i+1-tarraydef(def).lowrange<=len then
|
|
|
- begin
|
|
|
- datalist.concat(Tai_const.Create_8bit(byte(ca^)));
|
|
|
- inc(ca);
|
|
|
- end
|
|
|
- else
|
|
|
- {Fill the remaining positions with #0.}
|
|
|
- datalist.concat(Tai_const.Create_8bit(0));
|
|
|
- end;
|
|
|
- p.free;
|
|
|
+ else
|
|
|
+ Message(parser_e_improper_guid_syntax);
|
|
|
end
|
|
|
else
|
|
|
+ Message(parser_e_illegal_expression);
|
|
|
+ n.free;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+ { normal record }
|
|
|
+ consume(_LKLAMMER);
|
|
|
+ curroffset:=0;
|
|
|
+ symidx:=0;
|
|
|
+ srsym:=tsym(def.symtable.SymList[symidx]);
|
|
|
+ recsym := nil;
|
|
|
+ while token<>_RKLAMMER do
|
|
|
+ begin
|
|
|
+ s:=pattern;
|
|
|
+ sorg:=orgpattern;
|
|
|
+ consume(_ID);
|
|
|
+ consume(_COLON);
|
|
|
+ error := false;
|
|
|
+ recsym := tsym(def.symtable.Find(s));
|
|
|
+ if not assigned(recsym) then
|
|
|
begin
|
|
|
- { we want the ( }
|
|
|
- consume(_LKLAMMER);
|
|
|
+ Message1(sym_e_illegal_field,sorg);
|
|
|
+ error := true;
|
|
|
end;
|
|
|
- end;
|
|
|
- procvardef:
|
|
|
- begin
|
|
|
- { Procvars and pointers are no longer compatible. }
|
|
|
- { under tp: =nil or =var under fpc: =nil or =@var }
|
|
|
- if token=_NIL then
|
|
|
+ if (not error) and
|
|
|
+ (not assigned(srsym) or
|
|
|
+ (s <> srsym.name)) then
|
|
|
+ { possible variant record (JM) }
|
|
|
begin
|
|
|
- datalist.concat(Tai_const.Create_sym(nil));
|
|
|
- if (po_methodpointer in tprocvardef(def).procoptions) then
|
|
|
- datalist.concat(Tai_const.Create_sym(nil));
|
|
|
- consume(_NIL);
|
|
|
- goto myexit;
|
|
|
- end;
|
|
|
- { you can't assign a value other than NIL to a typed constant }
|
|
|
- { which is a "procedure of object", because this also requires }
|
|
|
- { address of an object/class instance, which is not known at }
|
|
|
- { compile time (JM) }
|
|
|
- if (po_methodpointer in tprocvardef(def).procoptions) then
|
|
|
- Message(parser_e_no_procvarobj_const);
|
|
|
- { parse the rest too, so we can continue with error checking }
|
|
|
- getprocvardef:=tprocvardef(def);
|
|
|
- p:=comp_expr(true);
|
|
|
- getprocvardef:=nil;
|
|
|
- if codegenerror then
|
|
|
- begin
|
|
|
- p.free;
|
|
|
- goto myexit;
|
|
|
- end;
|
|
|
- { let type conversion check everything needed }
|
|
|
- inserttypeconv(p,def);
|
|
|
- if codegenerror then
|
|
|
- begin
|
|
|
- p.free;
|
|
|
- goto myexit;
|
|
|
- end;
|
|
|
- { remove typeconvs, that will normally insert a lea
|
|
|
- instruction which is not necessary for us }
|
|
|
- while p.nodetype=typeconvn do
|
|
|
- begin
|
|
|
- hp:=ttypeconvnode(p).left;
|
|
|
- ttypeconvnode(p).left:=nil;
|
|
|
- p.free;
|
|
|
- p:=hp;
|
|
|
- end;
|
|
|
- { remove addrn which we also don't need here }
|
|
|
- if p.nodetype=addrn then
|
|
|
- begin
|
|
|
- hp:=taddrnode(p).left;
|
|
|
- taddrnode(p).left:=nil;
|
|
|
- p.free;
|
|
|
- p:=hp;
|
|
|
- end;
|
|
|
- { we now need to have a loadn with a procsym }
|
|
|
- if (p.nodetype=loadn) and
|
|
|
- (tloadnode(p).symtableentry.typ=procsym) then
|
|
|
- begin
|
|
|
- pd:=tprocdef(tprocsym(tloadnode(p).symtableentry).ProcdefList[0]);
|
|
|
- datalist.concat(Tai_const.createname(pd.mangledname,0));
|
|
|
- end
|
|
|
- else
|
|
|
- Message(parser_e_illegal_expression);
|
|
|
- p.free;
|
|
|
- end;
|
|
|
- { reads a typed constant record }
|
|
|
- recorddef:
|
|
|
- begin
|
|
|
- { packed record }
|
|
|
- if is_packed_record_or_object(def) then
|
|
|
- Message(type_e_no_const_packed_record)
|
|
|
- { KAZ }
|
|
|
- else if (trecorddef(def)=rec_tguid) and
|
|
|
- ((token=_CSTRING) or (token=_CCHAR) or (token=_ID)) then
|
|
|
- begin
|
|
|
- p:=comp_expr(true);
|
|
|
- inserttypeconv(p,cshortstringtype);
|
|
|
- if p.nodetype=stringconstn then
|
|
|
+ { All parts of a variant start at the same offset }
|
|
|
+ { Also allow jumping from one variant part to another, }
|
|
|
+ { as long as the offsets match }
|
|
|
+ if (assigned(srsym) and
|
|
|
+ (tfieldvarsym(recsym).fieldoffset = tfieldvarsym(srsym).fieldoffset)) or
|
|
|
+ { srsym is not assigned after parsing w2 in the }
|
|
|
+ { typed const in the next example: }
|
|
|
+ { type tr = record case byte of }
|
|
|
+ { 1: (l1,l2: dword); }
|
|
|
+ { 2: (w1,w2: word); }
|
|
|
+ { end; }
|
|
|
+ { const r: tr = (w1:1;w2:1;l2:5); }
|
|
|
+ (tfieldvarsym(recsym).fieldoffset = curroffset) then
|
|
|
+ srsym := recsym
|
|
|
+ { going backwards isn't allowed in any mode }
|
|
|
+ else if (tfieldvarsym(recsym).fieldoffset<curroffset) then
|
|
|
begin
|
|
|
- s:=strpas(tstringconstnode(p).value_str);
|
|
|
- p.free;
|
|
|
- if string2guid(s,tmpguid) then
|
|
|
- begin
|
|
|
- datalist.concat(Tai_const.Create_32bit(longint(tmpguid.D1)));
|
|
|
- datalist.concat(Tai_const.Create_16bit(tmpguid.D2));
|
|
|
- datalist.concat(Tai_const.Create_16bit(tmpguid.D3));
|
|
|
- for i:=Low(tmpguid.D4) to High(tmpguid.D4) do
|
|
|
- datalist.concat(Tai_const.Create_8bit(tmpguid.D4[i]));
|
|
|
- end
|
|
|
- else
|
|
|
- Message(parser_e_improper_guid_syntax);
|
|
|
+ Message(parser_e_invalid_record_const);
|
|
|
+ error := true;
|
|
|
+ end
|
|
|
+ { Delphi allows you to skip fields }
|
|
|
+ else if (m_delphi in current_settings.modeswitches) then
|
|
|
+ begin
|
|
|
+ Message1(parser_w_skipped_fields_before,sorg);
|
|
|
+ srsym := recsym;
|
|
|
end
|
|
|
+ { FPC and TP don't }
|
|
|
else
|
|
|
begin
|
|
|
- p.free;
|
|
|
- Message(parser_e_illegal_expression);
|
|
|
- goto myexit;
|
|
|
+ Message1(parser_e_skipped_fields_before,sorg);
|
|
|
+ error := true;
|
|
|
end;
|
|
|
- end
|
|
|
+ end;
|
|
|
+ if error then
|
|
|
+ consume_all_until(_SEMICOLON)
|
|
|
else
|
|
|
begin
|
|
|
- consume(_LKLAMMER);
|
|
|
- sorg:='';
|
|
|
- aktpos:=0;
|
|
|
- symidx:=0;
|
|
|
- srsym:=tsym(trecorddef(def).symtable.SymList[symidx]);
|
|
|
- recsym := nil;
|
|
|
- while token<>_RKLAMMER do
|
|
|
- begin
|
|
|
- s:=pattern;
|
|
|
- sorg:=orgpattern;
|
|
|
- consume(_ID);
|
|
|
- consume(_COLON);
|
|
|
- error := false;
|
|
|
- recsym := tsym(trecorddef(def).symtable.Find(s));
|
|
|
- if not assigned(recsym) then
|
|
|
- begin
|
|
|
- Message1(sym_e_illegal_field,sorg);
|
|
|
- error := true;
|
|
|
- end;
|
|
|
- if (not error) and
|
|
|
- (not assigned(srsym) or
|
|
|
- (s <> srsym.name)) then
|
|
|
- { possible variant record (JM) }
|
|
|
- begin
|
|
|
- { All parts of a variant start at the same offset }
|
|
|
- { Also allow jumping from one variant part to another, }
|
|
|
- { as long as the offsets match }
|
|
|
- if (assigned(srsym) and
|
|
|
- (tfieldvarsym(recsym).fieldoffset = tfieldvarsym(srsym).fieldoffset)) or
|
|
|
- { srsym is not assigned after parsing w2 in the }
|
|
|
- { typed const in the next example: }
|
|
|
- { type tr = record case byte of }
|
|
|
- { 1: (l1,l2: dword); }
|
|
|
- { 2: (w1,w2: word); }
|
|
|
- { end; }
|
|
|
- { const r: tr = (w1:1;w2:1;l2:5); }
|
|
|
- (tfieldvarsym(recsym).fieldoffset = aktpos) then
|
|
|
- srsym := recsym
|
|
|
- { going backwards isn't allowed in any mode }
|
|
|
- else if (tfieldvarsym(recsym).fieldoffset<aktpos) then
|
|
|
- begin
|
|
|
- Message(parser_e_invalid_record_const);
|
|
|
- error := true;
|
|
|
- end
|
|
|
- { Delphi allows you to skip fields }
|
|
|
- else if (m_delphi in current_settings.modeswitches) then
|
|
|
- begin
|
|
|
- Message1(parser_w_skipped_fields_before,sorg);
|
|
|
- srsym := recsym;
|
|
|
- end
|
|
|
- { FPC and TP don't }
|
|
|
- else
|
|
|
- begin
|
|
|
- Message1(parser_e_skipped_fields_before,sorg);
|
|
|
- error := true;
|
|
|
- end;
|
|
|
- end;
|
|
|
- if error then
|
|
|
- consume_all_until(_SEMICOLON)
|
|
|
- else
|
|
|
- begin
|
|
|
|
|
|
- { if needed fill (alignment) }
|
|
|
- if tfieldvarsym(srsym).fieldoffset>aktpos then
|
|
|
- for i:=1 to tfieldvarsym(srsym).fieldoffset-aktpos do
|
|
|
- datalist.concat(Tai_const.Create_8bit(0));
|
|
|
+ { if needed fill (alignment) }
|
|
|
+ if tfieldvarsym(srsym).fieldoffset>curroffset then
|
|
|
+ for i:=1 to tfieldvarsym(srsym).fieldoffset-curroffset do
|
|
|
+ list.concat(Tai_const.Create_8bit(0));
|
|
|
+
|
|
|
+ { new position }
|
|
|
+ curroffset:=tfieldvarsym(srsym).fieldoffset+tfieldvarsym(srsym).vardef.size;
|
|
|
+
|
|
|
+ { read the data }
|
|
|
+ read_typed_const_data(list,tfieldvarsym(srsym).vardef);
|
|
|
|
|
|
- { new position }
|
|
|
- aktpos:=tfieldvarsym(srsym).fieldoffset+tfieldvarsym(srsym).vardef.size;
|
|
|
+ { keep previous field for checking whether whole }
|
|
|
+ { record was initialized (JM) }
|
|
|
+ recsym := srsym;
|
|
|
+ { goto next field }
|
|
|
+ inc(symidx);
|
|
|
+ if symidx<def.symtable.SymList.Count then
|
|
|
+ srsym:=tsym(def.symtable.SymList[symidx])
|
|
|
+ else
|
|
|
+ srsym:=nil;
|
|
|
|
|
|
- { read the data }
|
|
|
- readtypedconst(datalist,tfieldvarsym(srsym).vardef,nil,writable);
|
|
|
+ if token=_SEMICOLON then
|
|
|
+ consume(_SEMICOLON)
|
|
|
+ else break;
|
|
|
+ end;
|
|
|
+ end;
|
|
|
|
|
|
- { keep previous field for checking whether whole }
|
|
|
- { record was initialized (JM) }
|
|
|
- recsym := srsym;
|
|
|
- { goto next field }
|
|
|
- inc(symidx);
|
|
|
- if symidx<trecorddef(def).symtable.SymList.Count then
|
|
|
- srsym:=tsym(trecorddef(def).symtable.SymList[symidx])
|
|
|
- else
|
|
|
- srsym:=nil;
|
|
|
+ { are there any fields left, but don't complain if there only
|
|
|
+ come other variant partsa fter the last initialized field }
|
|
|
+ if assigned(srsym) and
|
|
|
+ (
|
|
|
+ (recsym=nil) or
|
|
|
+ (tfieldvarsym(srsym).fieldoffset > tfieldvarsym(recsym).fieldoffset)
|
|
|
+ ) then
|
|
|
+ Message1(parser_w_skipped_fields_after,sorg);
|
|
|
|
|
|
- if token=_SEMICOLON then
|
|
|
- consume(_SEMICOLON)
|
|
|
- else break;
|
|
|
- end;
|
|
|
- end;
|
|
|
+ for i:=1 to def.size-curroffset do
|
|
|
+ list.concat(Tai_const.Create_8bit(0));
|
|
|
|
|
|
- { are there any fields left? }
|
|
|
- if assigned(srsym) and
|
|
|
- { don't complain if there only come other variant parts }
|
|
|
- { after the last initialized field }
|
|
|
- ((recsym=nil) or
|
|
|
- (tfieldvarsym(srsym).fieldoffset > tfieldvarsym(recsym).fieldoffset)) then
|
|
|
- Message1(parser_w_skipped_fields_after,sorg);
|
|
|
+ consume(_RKLAMMER);
|
|
|
+ end;
|
|
|
|
|
|
- for i:=1 to def.size-aktpos do
|
|
|
- datalist.concat(Tai_const.Create_8bit(0));
|
|
|
|
|
|
- consume(_RKLAMMER);
|
|
|
- end;
|
|
|
- end;
|
|
|
- { reads a typed object }
|
|
|
- objectdef:
|
|
|
- begin
|
|
|
- if is_class_or_interface(def) then
|
|
|
+ procedure parse_objectdef(list:tasmlist;def:tobjectdef);
|
|
|
+ var
|
|
|
+ n : tnode;
|
|
|
+ i : longint;
|
|
|
+ obj : tobjectdef;
|
|
|
+ srsym : tsym;
|
|
|
+ st : tsymtable;
|
|
|
+ curroffset : aint;
|
|
|
+ s,sorg : TIDString;
|
|
|
+ begin
|
|
|
+ { no support for packed object }
|
|
|
+ if is_packed_record_or_object(def) then
|
|
|
+ begin
|
|
|
+ Message(type_e_no_const_packed_record);
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
+
|
|
|
+ { only allow nil for class and interface }
|
|
|
+ if is_class_or_interface(def) then
|
|
|
+ begin
|
|
|
+ n:=comp_expr(true);
|
|
|
+ if n.nodetype<>niln then
|
|
|
begin
|
|
|
- p:=comp_expr(true);
|
|
|
- if p.nodetype<>niln then
|
|
|
- begin
|
|
|
- Message(type_e_no_const_packed_array);
|
|
|
- consume_all_until(_SEMICOLON);
|
|
|
- end
|
|
|
- else
|
|
|
- begin
|
|
|
- datalist.concat(Tai_const.Create_sym(nil));
|
|
|
- end;
|
|
|
- p.free;
|
|
|
+ Message(type_e_no_const_packed_array);
|
|
|
+ consume_all_until(_SEMICOLON);
|
|
|
end
|
|
|
- { for objects we allow it only if it doesn't contain a vmt }
|
|
|
- else if (oo_has_vmt in tobjectdef(def).objectoptions) and
|
|
|
- (m_fpc in current_settings.modeswitches) then
|
|
|
- Message(parser_e_type_const_not_possible)
|
|
|
- { packed object }
|
|
|
- else if is_packed_record_or_object(def) then
|
|
|
- Message(type_e_no_const_packed_record)
|
|
|
else
|
|
|
- begin
|
|
|
- consume(_LKLAMMER);
|
|
|
- aktpos:=0;
|
|
|
- while token<>_RKLAMMER do
|
|
|
- begin
|
|
|
- s:=pattern;
|
|
|
- sorg:=orgpattern;
|
|
|
- consume(_ID);
|
|
|
- consume(_COLON);
|
|
|
- srsym:=nil;
|
|
|
- obj:=tobjectdef(def);
|
|
|
- symt:=obj.symtable;
|
|
|
- while (srsym=nil) and assigned(symt) do
|
|
|
- begin
|
|
|
- srsym:=tsym(symt.Find(s));
|
|
|
- if assigned(obj) then
|
|
|
- obj:=obj.childof;
|
|
|
- if assigned(obj) then
|
|
|
- symt:=obj.symtable
|
|
|
- else
|
|
|
- symt:=nil;
|
|
|
- end;
|
|
|
+ list.concat(Tai_const.Create_sym(nil));
|
|
|
+ n.free;
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
|
|
|
- if srsym=nil then
|
|
|
- begin
|
|
|
- Message1(sym_e_id_not_found,sorg);
|
|
|
- consume_all_until(_SEMICOLON);
|
|
|
- end
|
|
|
- else
|
|
|
- with tfieldvarsym(srsym) do
|
|
|
- begin
|
|
|
- { check position }
|
|
|
- if fieldoffset<aktpos then
|
|
|
- message(parser_e_invalid_record_const);
|
|
|
+ { for objects we allow it only if it doesn't contain a vmt }
|
|
|
+ if (oo_has_vmt in def.objectoptions) and
|
|
|
+ (m_fpc in current_settings.modeswitches) then
|
|
|
+ begin
|
|
|
+ Message(parser_e_type_const_not_possible);
|
|
|
+ exit;
|
|
|
+ end;
|
|
|
|
|
|
- { check in VMT needs to be added for TP mode }
|
|
|
- with Tobjectdef(def) do
|
|
|
- if not(m_fpc in current_settings.modeswitches) and
|
|
|
- (oo_has_vmt in objectoptions) and
|
|
|
- (vmt_offset<fieldoffset) then
|
|
|
- begin
|
|
|
- for i:=1 to vmt_offset-aktpos do
|
|
|
- datalist.concat(tai_const.create_8bit(0));
|
|
|
- datalist.concat(tai_const.createname(vmt_mangledname,0));
|
|
|
- { this is more general }
|
|
|
- aktpos:=vmt_offset + sizeof(aint);
|
|
|
- end;
|
|
|
+ consume(_LKLAMMER);
|
|
|
+ curroffset:=0;
|
|
|
+ while token<>_RKLAMMER do
|
|
|
+ begin
|
|
|
+ s:=pattern;
|
|
|
+ sorg:=orgpattern;
|
|
|
+ consume(_ID);
|
|
|
+ consume(_COLON);
|
|
|
+ srsym:=nil;
|
|
|
+ obj:=tobjectdef(def);
|
|
|
+ st:=obj.symtable;
|
|
|
+ while (srsym=nil) and assigned(st) do
|
|
|
+ begin
|
|
|
+ srsym:=tsym(st.Find(s));
|
|
|
+ if assigned(obj) then
|
|
|
+ obj:=obj.childof;
|
|
|
+ if assigned(obj) then
|
|
|
+ st:=obj.symtable
|
|
|
+ else
|
|
|
+ st:=nil;
|
|
|
+ end;
|
|
|
|
|
|
- { if needed fill }
|
|
|
- if fieldoffset>aktpos then
|
|
|
- for i:=1 to fieldoffset-aktpos do
|
|
|
- datalist.concat(Tai_const.Create_8bit(0));
|
|
|
+ if srsym=nil then
|
|
|
+ begin
|
|
|
+ Message1(sym_e_id_not_found,sorg);
|
|
|
+ consume_all_until(_SEMICOLON);
|
|
|
+ end
|
|
|
+ else
|
|
|
+ with tfieldvarsym(srsym) do
|
|
|
+ begin
|
|
|
+ { check position }
|
|
|
+ if fieldoffset<curroffset then
|
|
|
+ message(parser_e_invalid_record_const);
|
|
|
|
|
|
- { new position }
|
|
|
- aktpos:=fieldoffset+vardef.size;
|
|
|
+ { check in VMT needs to be added for TP mode }
|
|
|
+ if not(m_fpc in current_settings.modeswitches) and
|
|
|
+ (oo_has_vmt in def.objectoptions) and
|
|
|
+ (def.vmt_offset<fieldoffset) then
|
|
|
+ begin
|
|
|
+ for i:=1 to def.vmt_offset-curroffset do
|
|
|
+ list.concat(tai_const.create_8bit(0));
|
|
|
+ list.concat(tai_const.createname(def.vmt_mangledname,0));
|
|
|
+ { this is more general }
|
|
|
+ curroffset:=def.vmt_offset + sizeof(aint);
|
|
|
+ end;
|
|
|
|
|
|
- { read the data }
|
|
|
- readtypedconst(datalist,vardef,nil,writable);
|
|
|
+ { if needed fill }
|
|
|
+ if fieldoffset>curroffset then
|
|
|
+ for i:=1 to fieldoffset-curroffset do
|
|
|
+ list.concat(Tai_const.Create_8bit(0));
|
|
|
|
|
|
- if not try_to_consume(_SEMICOLON) then
|
|
|
- break;
|
|
|
- end;
|
|
|
- end;
|
|
|
- if not(m_fpc in current_settings.modeswitches) and
|
|
|
- (oo_has_vmt in tobjectdef(def).objectoptions) and
|
|
|
- (tobjectdef(def).vmt_offset>=aktpos) then
|
|
|
- begin
|
|
|
- for i:=1 to tobjectdef(def).vmt_offset-aktpos do
|
|
|
- datalist.concat(tai_const.create_8bit(0));
|
|
|
- datalist.concat(tai_const.createname(tobjectdef(def).vmt_mangledname,0));
|
|
|
- { this is more general }
|
|
|
- aktpos:=tobjectdef(def).vmt_offset + sizeof(aint);
|
|
|
- end;
|
|
|
- for i:=1 to def.size-aktpos do
|
|
|
- datalist.concat(Tai_const.Create_8bit(0));
|
|
|
- consume(_RKLAMMER);
|
|
|
- end;
|
|
|
- end;
|
|
|
- errordef:
|
|
|
- begin
|
|
|
- { try to consume something useful }
|
|
|
- if token=_LKLAMMER then
|
|
|
- consume_all_until(_RKLAMMER)
|
|
|
- else
|
|
|
- consume_all_until(_SEMICOLON);
|
|
|
- end;
|
|
|
- else Message(parser_e_type_const_not_possible);
|
|
|
- end;
|
|
|
+ { new position }
|
|
|
+ curroffset:=fieldoffset+vardef.size;
|
|
|
|
|
|
- { Parse hints and public directive }
|
|
|
- if assigned(sym) then
|
|
|
- begin
|
|
|
- try_consume_hintdirective(sym.symoptions);
|
|
|
+ { read the data }
|
|
|
+ read_typed_const_data(list,vardef);
|
|
|
|
|
|
- { Support public name directive }
|
|
|
- if try_to_consume(_PUBLIC) then
|
|
|
- begin
|
|
|
- if try_to_consume(_NAME) then
|
|
|
- C_name:=get_stringconst
|
|
|
- else
|
|
|
- C_name:=sorg;
|
|
|
- sym.set_mangledname(C_Name);
|
|
|
- end;
|
|
|
- end;
|
|
|
-
|
|
|
- myexit:
|
|
|
- block_type:=old_block_type;
|
|
|
+ if not try_to_consume(_SEMICOLON) then
|
|
|
+ break;
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+ if not(m_fpc in current_settings.modeswitches) and
|
|
|
+ (oo_has_vmt in def.objectoptions) and
|
|
|
+ (def.vmt_offset>=curroffset) then
|
|
|
+ begin
|
|
|
+ for i:=1 to def.vmt_offset-curroffset do
|
|
|
+ list.concat(tai_const.create_8bit(0));
|
|
|
+ list.concat(tai_const.createname(def.vmt_mangledname,0));
|
|
|
+ { this is more general }
|
|
|
+ curroffset:=def.vmt_offset + sizeof(aint);
|
|
|
+ end;
|
|
|
+ for i:=1 to def.size-curroffset do
|
|
|
+ list.concat(Tai_const.Create_8bit(0));
|
|
|
+ consume(_RKLAMMER);
|
|
|
+ end;
|
|
|
|
|
|
- { Add symbol name if this is specified. For array
|
|
|
- elements sym=nil and we should skip this }
|
|
|
- if assigned(sym) then
|
|
|
- begin
|
|
|
- storefilepos:=current_filepos;
|
|
|
- current_filepos:=sym.fileinfo;
|
|
|
- { insert cut for smartlinking or alignment }
|
|
|
- if writable then
|
|
|
- cursectype:=sec_data
|
|
|
- else
|
|
|
- cursectype:=sec_rodata;
|
|
|
- maybe_new_object_file(list);
|
|
|
- new_section(list,cursectype,lower(sym.mangledname),const_align(def.alignment));
|
|
|
- if (sym.owner.symtabletype=globalsymtable) or
|
|
|
- maybe_smartlink_symbol or
|
|
|
- (assigned(current_procinfo) and
|
|
|
- (po_inline in current_procinfo.procdef.procoptions)) or
|
|
|
- DLLSource then
|
|
|
- list.concat(Tai_symbol.Createname_global(sym.mangledname,AT_DATA,0))
|
|
|
- else
|
|
|
- list.concat(Tai_symbol.Createname(sym.mangledname,AT_DATA,0));
|
|
|
- list.concatlist(datalist);
|
|
|
- list.concat(tai_symbol_end.Createname(sym.mangledname));
|
|
|
- current_filepos:=storefilepos;
|
|
|
- end
|
|
|
- else
|
|
|
- list.concatlist(datalist);
|
|
|
- datalist.free;
|
|
|
+ var
|
|
|
+ old_block_type : tblock_type;
|
|
|
+ begin
|
|
|
+ old_block_type:=block_type;
|
|
|
+ block_type:=bt_const;
|
|
|
+ case def.typ of
|
|
|
+ orddef :
|
|
|
+ parse_orddef(list,torddef(def));
|
|
|
+ floatdef :
|
|
|
+ parse_floatdef(list,tfloatdef(def));
|
|
|
+ classrefdef :
|
|
|
+ parse_classrefdef(list,tclassrefdef(def));
|
|
|
+ pointerdef :
|
|
|
+ parse_pointerdef(list,tpointerdef(def));
|
|
|
+ setdef :
|
|
|
+ parse_setdef(list,tsetdef(def));
|
|
|
+ enumdef :
|
|
|
+ parse_enumdef(list,tenumdef(def));
|
|
|
+ stringdef :
|
|
|
+ parse_stringdef(list,tstringdef(def));
|
|
|
+ arraydef :
|
|
|
+ parse_arraydef(list,tarraydef(def));
|
|
|
+ procvardef:
|
|
|
+ parse_procvardef(list,tprocvardef(def));
|
|
|
+ recorddef:
|
|
|
+ parse_recorddef(list,trecorddef(def));
|
|
|
+ objectdef:
|
|
|
+ parse_objectdef(list,tobjectdef(def));
|
|
|
+ errordef:
|
|
|
+ begin
|
|
|
+ { try to consume something useful }
|
|
|
+ if token=_LKLAMMER then
|
|
|
+ consume_all_until(_RKLAMMER)
|
|
|
+ else
|
|
|
+ consume_all_until(_SEMICOLON);
|
|
|
+ end;
|
|
|
+ else
|
|
|
+ Message(parser_e_type_const_not_possible);
|
|
|
+ end;
|
|
|
+ block_type:=old_block_type;
|
|
|
end;
|
|
|
|
|
|
{$maxfpuregisters default}
|
|
|
|
|
|
+ procedure read_typed_const(list:tasmlist;sym:tstaticvarsym);
|
|
|
+ var
|
|
|
+ storefilepos : tfileposinfo;
|
|
|
+ cursectype : TAsmSectionType;
|
|
|
+ C_name : string;
|
|
|
+ begin
|
|
|
+ { mark the staticvarsym as typedconst }
|
|
|
+ include(sym.varoptions,vo_is_typed_const);
|
|
|
+ { the variable is declared }
|
|
|
+ sym.varstate:=vs_declared;
|
|
|
+ { the variable can't be placed in a register }
|
|
|
+ sym.varregable:=vr_none;
|
|
|
+
|
|
|
+ { generate data for typed const }
|
|
|
+ storefilepos:=current_filepos;
|
|
|
+ current_filepos:=sym.fileinfo;
|
|
|
+ if sym.varspez=vs_const then
|
|
|
+ cursectype:=sec_rodata
|
|
|
+ else
|
|
|
+ cursectype:=sec_data;
|
|
|
+ maybe_new_object_file(list);
|
|
|
+ new_section(list,cursectype,lower(sym.mangledname),const_align(sym.vardef.alignment));
|
|
|
+ if (sym.owner.symtabletype=globalsymtable) or
|
|
|
+ maybe_smartlink_symbol or
|
|
|
+ (assigned(current_procinfo) and
|
|
|
+ (po_inline in current_procinfo.procdef.procoptions)) or
|
|
|
+ DLLSource then
|
|
|
+ list.concat(Tai_symbol.Createname_global(sym.mangledname,AT_DATA,0))
|
|
|
+ else
|
|
|
+ list.concat(Tai_symbol.Createname(sym.mangledname,AT_DATA,0));
|
|
|
+ read_typed_const_data(list,sym.vardef);
|
|
|
+ list.concat(tai_symbol_end.Createname(sym.mangledname));
|
|
|
+ current_filepos:=storefilepos;
|
|
|
+
|
|
|
+ { Parse hints }
|
|
|
+ try_consume_hintdirective(sym.symoptions);
|
|
|
+
|
|
|
+ { Support public name directive }
|
|
|
+ if try_to_consume(_PUBLIC) then
|
|
|
+ begin
|
|
|
+ include(sym.varoptions,vo_is_public);
|
|
|
+ if try_to_consume(_NAME) then
|
|
|
+ C_name:=get_stringconst
|
|
|
+ else
|
|
|
+ C_name:=sym.realname;
|
|
|
+ sym.set_mangledname(C_Name);
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+
|
|
|
end.
|
peter