What programming languages are simply abstractions on top of another programming language?

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From	Roger L Costello <costello@mitre.org>
Newsgroups	comp.compilers
Subject	What programming languages are simply abstractions on top of another programming language?
Date	Sat, 18 Jun 2022 19:42:55 +0000
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Hi Folks,

I am reading "Software Tools" by Kernighan and Plauger. One of the things that
I've learned is that Ratfor is a simple abstraction on top of Fortran. For
example, Ratfor provides a while loop. The while loop can be mechanically
converted to Fortran if-then and goto statements. Really cool!

That got me to wondering, "What other programming languages are simply
abstractions on top of an existing programming language?"

/Roger
[The infamous m4 macrogenerator is used to build what are in effect new
languages like the sendmail configuration and GNU Autoconf. -John]

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What programming languages are simply abstractions on top of another programming language? Roger L Costello <costello@mitre.org> - 2022-06-18 19:42 +0000
  Re: What programming languages are simply abstractions on top of another programming language? gah4 <gah4@u.washington.edu> - 2022-06-20 15:36 -0700
    What programming languages are simply abstractions on top of another programming language? Christopher F Clark <christopher.f.clark@compiler-resources.com> - 2022-06-21 23:34 +0300
  Re: What programming languages are simply abstractions on top of another programming language? George Neuner <gneuner2@comcast.net> - 2022-06-21 15:10 -0400
  Re: What programming languages are simply abstractions on top of another programming language? Kaz Kylheku <480-992-1380@kylheku.com> - 2022-06-22 01:31 +0000

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