Re: [exim-dev] RFC: Refactoring expand_string_internal

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著者: Nico Erfurth
日付:  
To: exim-dev
題目: Re: [exim-dev] RFC: Refactoring expand_string_internal
Philip Hazel wrote:

>> I just looked through expand.c and saw that expand_string_internal grew
>> a lot over the last 2 years. Currently it's 2359 lines long, expand.c is
>> 5442 lines in total .... ;)
>
> Yes, well, people keep on adding things. :-)


I noticed .... I was following the list whenever I had some time, and
some people have VERY strange wishes. (No names here *G*)

>> What do others think about refactoring it a bit? Some larger chunks
>> could be placed in subroutines, maybe all functionality should be
>> factored out into single subroutines, called via a mapping-tables
>> indexed by the expansion-type.
>
> You'd lose some performance, of course, but how much that would affect
> the overall performance of Exim I would not like to guess.


I don't think so, because it wouldn't differ very much from the way gcc
handles the switch/case statement. Also it would give the opportunity to
look at some code again and maybe tweak it a little bit.

I'm just not a fan of such big functions, because you loose a lot of
readability (IMHO).

Nico