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Today when we write code, we use the LIKEDS (mostly) to declare a data structure "like" another.
When a field is declared and should be "like" another existing field, we use the LIKE keyword.
Please provide a new keyword that can be used in either context so we can simply say "LIKE(vartemplate)" instead of having to determine if the referred variable is a data structure or a field.
Why? Because when generating code or copying code, we shouldn't have the extra burden of figuring out if the referenced variable is a structure or a field.
I suggest a new keyword, let's call it TYPE, that would do what I'm asking. Here's an example:
dcl-s size_t uns(10);
dcl-s ptr pointer;
dcl-ds Qdb_Mbrd0100_T Qualified Inz TEMPLATE;
Bytes_Returned INT(10);
Bytes_Available INT(10);
Db_File_Name CHAR(10);
Db_File_Lib CHAR(10);
Member_Name CHAR(10);
File_Attr CHAR(10);
Src_Type CHAR(10);
Crt_Date CHAR(13);
Change_Date CHAR(13);
Text_Desc CHAR(50);
Src_File CHAR(1);
end-ds; // Qdb_Mbrd0100_T
dcl-s rtnLen type(size_t);
dcl-s pMbrD type(ptr);
dcl-ds mbrDesc type( Qdb_Mbrd0100_T );
dcl-s length type(*INT);
dcl-s smallSize type(*int2);
The definitions of the fields RTNLEN, PMBRD, and MBRDESC are all based on other fields.
There could also be pre-defined types, to make things in routines consistent. For example *INT4, *INT2, *UINT2, *UINT4, etc. I suppose if TYPE(*CHAR) is specified, then LEN(nn) would be required to.
Idea priority | High |
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