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From "Geir Magnusson Jr." <g...@pobox.com>
Subject Re: [classlib] removing \t from sources
Date Tue, 03 Oct 2006 11:12:33 GMT
No matter what, tabs shouldn't be used.  They make it impossible to 
portably represent the formatting.

geir


Alexei Zakharov wrote:
> I see. This IMHO is another argument why \t is bad. My script will not
> be able to handle this, it just replaces one string pattern with
> another. So such cases should be handled manually or with the code
> formatter. However, the drawback of the code formatter is that it
> removes the "author's personality" from the code.
> 
> But IMHO mixing spaces with tabs in the single unit of indentation is
> even worse than just using tabs. Normally people use either tabs or
> spaces. I suppose that mixes appear when the original source with tabs
> is being edited with IDE configured to use spaces. I haven't seen many
> of such cases in HY code, at least in the modules I worked with.
> 
> With best regards,
> 
> 2006/10/2, Alexey Petrenko <alexey.a.petrenko@gmail.com>:
>> I mean that {"space", "space", "tab"} will be converted to the same
>> number of spaces as simple tab by the most of editors.
>>
>> SY, Alexey
>>
>> 2006/10/2, Alexei Zakharov <alexei.zakharov@gmail.com>:
>> > What do you mean? Convert "  \t" to something? If so please see the
>> > new fully customized version of my mega-script :-)
>> >
>> > The usage pattern in your case will be:
>> > ant -f tabs2spaces_v2.xml -Dsrc.dir=<dir with sources> -Dpattern="  \t"
>> >
>> > Regards,
>> >
>> > 2006/10/2, Alexey Petrenko <alexey.a.petrenko@gmail.com>:
>> > > Does it work with the sequences like {"space", "space", "tab"} etc?
>> > >
>> > > 2006/10/2, Alexei Zakharov <alexei.zakharov@gmail.com>:
>> > > > Hi all,
>> > > >
>> > > > I noticed that the tab character (0x09) is still widely used in our
>> > > > classlib source code. At least in tests. From my recent experience
>> > > > this leads to broken indentation. I mean the situation when 
>> patch with
>> > > > spaces is applied to the source there tab character is used for
>> > > > indentation. Someone knows that according to Sun code 
>> conventions the
>> > > > tab should be exactly 8 spaces. The other person knows that exactly
>> > > > four spaces should be used as the unit of indentation [1]. As a 
>> result
>> > > > we have all methods indented with the single tab character and the
>> > > > patched methods indented with 4 spaces. And if your IDE is 
>> configured
>> > > > to display tabs as 8 spaces you will see broken indentation. Or 
>> vice
>> > > > versa.
>> > > >
>> > > > I have created small ANT script - see HARMONY-1660 [2]. This script
>> > > > converts all tabs to spaces in all found sources under the given
>> > > > directory recursively. I will be grateful if someone runs this 
>> script
>> > > > (tab -> 4 spaces) at least for beans tests (I currently working

>> with)
>> > > > and integrates the results. It is really painful to deal with this
>> > > > broken alignment every day. And it is too boring (and IMHO 
>> silly) to
>> > > > convert it file by file and send patches for each case.
>> > > >
>> > > > [1] 
>> http://java.sun.com/docs/codeconv/html/CodeConventions.doc3.html#262
>> > > > [3] http://issues.apache.org/jira/browse/HARMONY-1660
>> > > >
>> > > > Thanks,
> 

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