Re: another C-like language? was Compilers :)

On Wednesday, January 4, 2023 at 10:26:58 AM UTC-8, Aharon Robbins wrote:


(snip, where I wrote about the original C++ compiler.)


> This is true that it's around, but I think it has copyright / license
> limitations that would prevent building something new on top of it.


> [The copy at the computer history museum says "The source code in this
> section is posted with the permission of the copyright owner for
> historical research purposes only." It's from 1997 so I would think
> it's a long way from modern C++. -John]


It sounds like the OP is, so far, in a research project.


But also seems to want something like C++, but without all the
fancy new features. Starting with a compiler without those features,
seemed like a good way to go.


(I believe some have suggested, over the years, a C--, though
exactly which features are removed, I don't know.)


The process for starting with copyright code, and modifying it
until all copyright parts are gone, seems to be well known, though
I suspect never easy.
[I wouldn't try mutating out the copyrighted stuff. Depending on how
aggressive the copyright holder is, they can claim copyright in the
structure and sequence of the code. And if it's a research project,
it's not that hard to make a parser and symbol table using compiler
tools better than 1997 era yacc. -John]

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