Re: [Boost-build] Jam bugs

From: Rene Rivera (grafik.list_at_[hidden])
Date: 2006-05-11 00:57:40

Alex Besogonov wrote:
> Good <time-of-day>!
> 
> As you know, I'm rewriting Jam in C++ and I have a questions to Boost 
> developers: should I replicate Jam bugs?

Yes, please fix the bugs. And more important improve on the test cases.

> So far I've found:
> 1. This code:
> =======
> c = 1 2 3 4 5 ;
> ECHO $(c[1-3]:J=) ;
> =======
> produces an empty string instead of expected "123).

Yea, that's not good.

> 2. This code:
> =======
> a = c:/temp/aaa.txt c:/temp/bbb.txt ;
> ECHO $(a:D=[1]) ;
> =======
> produces garbage (text with '\1' and '\2' characters) instead of 
> expected 'aaa.txt'.

Neither is what I would expect. The above should be a syntax error. To 
get the expected 'aaa.txt' you would:

ECHO $(a[1]:D=) ;

Of course the docs are not really clear on which modifiers are allowed 
where :-(

> 3. This code:
> =======
> a = c:/temp/bbb.txt ;
> b = ":D=" ;
> ECHO $(a$(b)) ;
> =======
> produces an empty string.

I guess it takes fresh eyes to think of doing that ;-)

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