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Re: Semantics, opt in Semantics

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From rpw3@rpw3.org (Rob Warnock)
Newsgroups comp.compilers
Subject Re: Semantics, opt in Semantics
Date 16 Jan 2015 16:11:13 GMT
Organization Rob Warnock, Consulting Systems Architect
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Seima Rao  <seimarao@gmail.com> wrote:
+---------------
| Also, what is the equivalent in semantics of BNF ?
|
| [Man, there's a can of worms. There's no semantic formalism that
|  matches real semantics as well as BNF matches real syntax. -John]
+---------------

Perhaps not quite as well, but Bell & Newell-style RTL [Register
Transfer Language], such as used in their book[1] to describe/define
various processors' ISPs, comes close.

One might also consider Verilog & VHDL to be "semantic formalisms" as
well.

-Rob

[1] Bell and Newell, "Computer Structures: Readings
    and Examples", 1971 (McGraw-Hill).

-----
Rob Warnock		<rpw3@rpw3.org>
627 26th Avenue		<http://rpw3.org/>
San Mateo, CA 94403
[How does RTL express semantics like names have to be declared
before they're used? -John]

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Thread

Semantics, opt in Semantics Seima Rao <seimarao@gmail.com> - 2015-01-15 17:42 +0530
  Re: Semantics, opt in Semantics rpw3@rpw3.org (Rob Warnock) - 2015-01-16 16:11 +0000
  Re: Semantics, opt in Semantics Kaz Kylheku <kaz@kylheku.com> - 2015-01-16 16:28 +0000
    Re: Semantics, opt in Semantics glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-01-17 18:42 +0000
  Re: Semantics, opt in Semantics Hans Aberg <haberg-news@telia.com> - 2015-01-16 18:20 +0100
  Re: Semantics, opt in Semantics wclodius@earthlink.net (William Clodius) - 2015-01-16 12:22 -0700
    Re: Semantics, opt in Semantics Stefan Monnier <monnier@iro.umontreal.ca> - 2015-01-18 10:03 -0500

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