[Bug c++/11567] New: GDB should only print namespace of types when there is an ambiguity by default

[Bug c++/11567] New: GDB should only print namespace of types when there is an ambiguity by default

[k04jg02 at gmail dot com]

One of the issues that makes C++ template code hard to read is that often the
templates and their type parameters are nested several levels deep in
namespaces. For example, here is an excerpt from a recent stack trace:

#8  0x0806a7fb in shmarmy::GarbageCollector<shmarmy::SHMStream<MyStreamNodeTest,
shmarmy::WriteSegment, 4u, 5u>, shmarmy::SHMStream<MyStreamUpdate,
shmarmy::WriteSegment, 4u, 5u>
>::tryDeleteHead<shmarmy::SHMStream<MyStreamNodeTest, shmarmy::WriteSegment, 4u,
5u>, MyStreamNodeTest> (this=0x80845a0, stream=..., head=0xf1e094f8,
    prev_deleted_item=@0x8083f70, dont_delete=0x0)

In my app the only time there is any class or template named GarbageCollector or
WriteSegment or SHMStream is inside the shmarmy namespace. As long as there's no
ambiguity, it would be much easier to read if it looked like this:

#8  0x0806a7fb in GarbageCollector<SHMStream<MyStreamNodeTest, WriteSegment, 4u,
5u>, SHMStream<MyStreamUpdate, WriteSegment, 4u, 5u>
>::tryDeleteHead<SHMStream<MyStreamNodeTest, WriteSegment, 4u, 5u>,
MyStreamNodeTest> (this=0x80845a0, stream=..., head=0xf1e094f8,
    prev_deleted_item=@0x8083f70, dont_delete=0x0)

Knowing the namespace even with no ambiguity could maybe be useful (maybe if
you're not sure which file you included somehow? not sure), so I'd suggest
having the current behavior be an option.

-- 
           Summary: GDB should only print namespace of types when there is
                    an ambiguity by default
           Product: gdb
           Version: 6.8
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P2
         Component: c++
        AssignedTo: unassigned at sourceware dot org
        ReportedBy: k04jg02 at gmail dot com
                CC: gdb-prs at sourceware dot org


http://sourceware.org/bugzilla/show_bug.cgi?id=11567

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