[Issue 12096] New: Allow "body" to be used as an identifier

[d-bugmail at puremagic.com]

https://d.puremagic.com/issues/show_bug.cgi?id=12096

           Summary: Allow "body" to be used as an identifier
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: schuetzm at gmx.net


--- Comment #0 from Marc Schütz <schuetzm at gmx.net> 2014-02-07 01:49:29 PST ---
copying from PR:
https://github.com/D-Programming-Language/dmd/pull/3227

Just recently a user wanted to use `body` as a member in his HTML document
class:
http://forum.dlang.org/thread/vbfrootcxaecjgciwlvb@forum.dlang.org
I believe I've seen similar discussions several times in the forums.

Someone suggested to only treat `body` as a keyword where it makes sense. I
tried implementing that, and, while not exactly beautiful, it turned out to be
surprisingly non-invasive. It's not a keyword at all anymore, but a special
identifier.

This same technique is also used for e.g. `scope(success)` among others, and
could potentially be applied to other keywords too, but I guess `body` is the
one with the greatest potential of conflict, because there is no nice
alternative word (apart from capitalization and appending underscores etc.),
and it's not a keyword in C/C++, so is freely used in some libraries.

See also this enhancement request, which proposes a different solution to the
same problem:
http://d.puremagic.com/issues/show_bug.cgi?id=5775

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