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Reading about PL/I in wikipedia, this always cracks me up: Announced with IBM S/370 in 1970, it shipped first for the DOS/360 <https://en.wikipedia.org/wiki/DOS/360> operating system in August 1971,

Just thinking out aloud, can we avoid stack variables, and use the stack only for register save/returns? Then you could have nesting limits, like mainframe Rexx has, according to the stack you set

It being IBM PLI/F it must have seen some serious use in the 1966-1971 era - don’t let the old Hursley geezers hear you ;-) In the 80’s-90’s I only did some voodoo programming with it - the

From what I remember the free PL1 is a mess. It usually works but I don’t think any one has made serious use of it. Pretty sure assembler support routines could be added to retrieve the data from an

It doesn't rule out calling PL/I *programs* via SVC 202 which, I think, is the way rexx external functions would need to be packaged (in sum, modules). In any case does PL/I on VM/370 support EPLIST

Would that rule out calling Rexx external functions written in PL/I? René.

First progress (remembering I am keen to get gcclib fit for purpose asap so I can play rexx): -? GCCLIB global variables (e.g. stdin) working and being rolled out. - About to move to RESLIB only -

Right you are.

Ah ... We could have REXX on bare big iron :-) We all hate C! Lets keep it very easy C ... Adrian

Do not know rust. ?So no opinion. Harold

ELF is not mainframe object. ?While a lot of the information is similar, the two have major differences. ?Worked with both and know this. ?One of the major limitations of ELF is actually the

Hi Harold, as per my other reply, in sum I think that at least initial versions will be C for sure. I hope it will be interesting, and you are welcomed to the team in whatever level you like :-) We

We love Rust! And also GoLang might be applicable in some areas. Or indeed REXX itself might be the right tool for some aspects ... We need a very modular architecture, and I will do a diagram of what

btw, do we like Rust https://www.rust-lang.org <https://www.rust-lang.org/> ?

I also suspect it it going to be C - but its backend will not be the standard assembler generator, but LLVM. The clang compiler can generate LLVM, which can be interpreted by an LLVM interpreter, or

What is the intended implementation language? ?While it has not been explicitly stated, I am suspecting C. Personally, I would find this area interesting. ?Although it is not clear to me how you get

That's easy ... I'll do whatever you say is the right answer :-)

I considered it ... but it is yesterday's news in 2020 (the year that keeps on giving!)

But I am happy you did not suggest BREXXIT. What are we going to do with cases like: if datatype("0110 1101",'B’) then say ‘yes’ which succeeds on ooRexx and BREXX, but fails on CMS as well as

I am fine with MIT - it has the nicest logo. WTFPL is funny but it sounds like one of those jokes you are going to hate in a number of years from now. René.