Re: [PATCH] Enable invoking overloaded operator() method on class and union values.

[Siva Chandra <sivachandra@google.com>]

On Thu, Nov 20, 2014 at 8:56 AM, Siva Chandra <sivachandra@google.com> wrote:
> Hello,
>
> The attached patch enables invoking overloaded operator() method on
> class and union values when evaluating expressions.
>
> [I expected that once this feature is in, invoking c++ lambdas would
> also be possible naturally. However, It does not happen and I am
> working on that.]

To clarify, I do not think it is because of a deficiency in my patch,
but because the debug info for lambdas is not read in and handled
appropriately in GDB.

> gdb/ChangeLog:
>
> 2014-11-20  Siva Chandra Reddy  <sivachandra@google.com>
>
>         * eval.c (evaluate_subexp_standard): Extend handling of
>         OP_FUNCALL operation to enable invoking overloaded
>         operator() methods.
>         * gdbtypes.c (class_or_union_p): New function.
>         * gdbtypes.h (class_or_union_p): Declare.
>
> gdb/testsuite/ChangeLog:
>
> 2014-11-20  Siva Chandra Reddy  <sivachandra@google.com>
>
>         * gdb.cp/member-ptr.exp: Modify expected pattern of
>         "print diamond.*diamond_pfunc_ptr (20)" and
>         "print diamond.*left_vpmf ()".
>         * gdb.cp/paren-op.cc: New file.
>         * gdb.cp/paren-op.exp: New file.
>
> Regression tested on x86_64 GNU/Linux.
>
> Thank you,
> Siva Chandra