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Re: Using guile as an extension language for GNU make
From: |
Hans Aberg |
Subject: |
Re: Using guile as an extension language for GNU make |
Date: |
Tue, 20 Sep 2011 01:00:31 +0200 |
On 19 Sep 2011, at 23:56, Paul Smith wrote:
> Rather, I need to define a translation from any Guile data type I want
> to support into a make-appropriate string (char* buffer) so it can be
> appended to make's read buffer, then parsed by make. For any Guile data
> type I can't or don't want to translate, I'll either throw a make error
> or else just expand to the empty string.
>
> So far, I have these translations (see the C code I posted earlier):
>
> t => "t" (for make conditionals, non-empty is true)
> nil => "" (for make conditionals, empty is false)
> "string" => "string"
> 'symbol => "symbol"
> 1234 => "1234"
>
> I can see that it would be nice to be able to translate:
>
> '(a b c) => "a b c"
>
> But what about more complex structures like lists of lists? What about
> simple pairs; should '(a . b) => "a b" as well? Lists of words are just
> about all make knows about so maybe the answer is yes.
>
> And finally, currently I have all unknown types expanding to the empty
> string but now I'm thinking it would be better to start out more
> restrictive and throw errors. This would ensure that people write their
> Guile scripts correctly (giving valid return values) from the start, and
> would let me, in the future, expand the supported types without breaking
> anything.
Perhaps you should have some Guile pretty-printing object that can be
manipulated from the makefile.
Hans
- Re: Embedding vs. Extending, (continued)
- Re: Using guile as an extension language for GNU make, Thien-Thi Nguyen, 2011/09/18
- Re: Using guile as an extension language for GNU make, Paul Smith, 2011/09/18
- Re: Using guile as an extension language for GNU make, Thien-Thi Nguyen, 2011/09/18
- Re: Using guile as an extension language for GNU make, Paul Smith, 2011/09/19
- Re: Using guile as an extension language for GNU make, Hans Aberg, 2011/09/19
- Re: Using guile as an extension language for GNU make, Paul Smith, 2011/09/19
- Re: Using guile as an extension language for GNU make, Hans Aberg, 2011/09/19
- Re: Using guile as an extension language for GNU make,
Hans Aberg <=
- Re: Using guile as an extension language for GNU make, Mark H Weaver, 2011/09/20
- Re: Using guile as an extension language for GNU make, Hans Aberg, 2011/09/21
- Re: Using guile as an extension language for GNU make, Thien-Thi Nguyen, 2011/09/20
- Re: Using guile as an extension language for GNU make, Paul Smith, 2011/09/20
- Re: Using guile as an extension language for GNU make, Paul Smith, 2011/09/20
- Re: Using guile as an extension language for GNU make, Thien-Thi Nguyen, 2011/09/20
- Re: Using guile as an extension language for GNU make, Thien-Thi Nguyen, 2011/09/20