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Date: Mon, 09 Dec 2013 01:02:00 -0000
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Subject: [RFC/Patch] PR 16113: Allow gdb.Field objects as subscripts on gdb.Value objects
From: Siva Chandra <sivachandra@google.com>
To: gdb-patches <gdb-patches@sourceware.org>
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Hi,

The attached patch addresses the marked PR. The doc and NEWS changes
are incomplete as it depends on whether the route I have taken in this
patch is acceptable. I will fill them after I get (dis/)approval.
Other changes to the doc and NEWS are present.

2013-12-08  Siva Chandra Reddy  <sivachandra@google.com>

        PR 16113: Allow gdb.Field objects with the subscript operator on
        gdb.Value objects of struct/class values.
        * NEWS (Python Scripting): Add entry for the new feature.
        * python/py-type.c (gdbpy_is_field): New function
        * python/py-value.c (valpy_getitem): Allow subscript value to be
        a gdb.Field object.
        (value_has_field): New function
        (get_field_flag): New function
        * python/python-internal.h (gdbpy_is_field): Add declaration.

        testsuite/
        * gdb.python/py-value-cc.cc: Improve test case.
        * gdb.python/py-value-cc.exp: Add new tests.

        doc/
        * gdb.texinfo (Values From Inferior): Add a note about using
        gdb.Field objects as subscripts on gdb.Value objects.