Re: Compilation Quotient (CQ): A Metric for the Compilation Hardness of Programming Languages

From	Hans-Peter Diettrich <DrDiettrich1@netscape.net>
Newsgroups	comp.compilers
Subject	Re: Compilation Quotient (CQ): A Metric for the Compilation Hardness of Programming Languages
Date	2024-06-12 11:27 +0200
Organization	Compilers Central
Message-ID	<24-06-016@comp.compilers> (permalink)
References	<24-06-003@comp.compilers>

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On 6/10/24 2:21 PM, John R Levine wrote:
> generates small programs from
> the grammars of several popular programs,
I think that the *syntactic grammar* of program *languages* is meant:
 >>
The key idea is to measure the compilation success rates of programs
sampled from context-free grammars.
<<

Then I wonder how ever valid random programs can be generated for
languages that require a declaration before use of an identifier,
clearly a *semantic* issue. A CQ of 40 for C indicates to me that
certain semantic rules have been built into the program generator.

Or what did I not understand right?

DoDi
[The paper describes the grammars they use.  C grammar requires declarations
precede other statements so that's easy to get right. -John]

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Compilation Quotient (CQ): A Metric for the Compilation Hardness of Programming Languages John R Levine <johnl@taugh.com> - 2024-06-10 14:21 +0200
  Re: Compilation Quotient (CQ): A Metric for the Compilation Hardness of Programming Languages Jon Chesterfield <jonathanchesterfield@gmail.com> - 2024-06-10 19:20 +0100
    Re: Compilation Quotient (CQ): A Metric for the Compilation Hardness of Programming Languages Derek <derek-nospam@shape-of-code.com> - 2024-06-11 00:28 +0100
    Re: Compilation Quotient (CQ): A Metric for the Compilation Hardness of Programming Languages anton@mips.complang.tuwien.ac.at - 2024-06-11 07:57 +0000
      Re: Compilation Quotient (CQ): A Metric for the Compilation Hardness of Programming Languages Derek <derek-nospam@shape-of-code.com> - 2024-06-11 22:45 +0100
        Re: Compilation Quotient (CQ): A Metric for the Compilation Hardness of Programming Languages anton@mips.complang.tuwien.ac.at - 2024-06-14 16:00 +0000
  Re: Compilation Quotient (CQ): A Metric for the Compilation Hardness of Programming Languages Derek <derek-nospam@shape-of-code.com> - 2024-06-10 20:30 +0100
  Re: Compilation Quotient (CQ): A Metric for the Compilation Hardness of Programming Languages Hans-Peter Diettrich <DrDiettrich1@netscape.net> - 2024-06-12 11:27 +0200

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