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Re: [cdt-dev] Codan problems
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If you think there is a bug in codan please file a bug report
On Sun, Aug 28, 2011 at 11:34 AM, Audrius Šaikūnas <tuxmarkv@xxxxxxxxx> wrote:
> Hello,
>
> this is my first post in this list, so sorry if I do anything wrong.
>
> I've been having a few problems with codan.
> The first problem appears only when using separate header & source
> files.
> The problematic method is C::hello2():
> If C::hello2() method is defined in header file, then codan resolves
> base method CBase::hello(Derived* derived) correctly.
> If C::hello2() method is defined in separate source file, which includes
> the header, then codan explains that "Function 'hello' could not be
> resolved"; A possible workaround to this problem would be to explicitly
> specify base class when invoking hello method (as in
> "CBase::hello(this);")
>
> However in my main project where I originally discovered this problem
> the workaround doesn't work - codan states that "Invalid arguments
> 'Candidates are: void hello(C *)' ". Same happens with methods which
> have no parameters. However I wasn't able to create a small testcase,
> which could reproduce the said error.
>
> // main.hh
> #pragma once
>
> template <template <typename> class _T1>
> struct Compose
> {
> template <class _Type>
> struct T0
> {
> typedef _T1<_Type> T1;
> };
> };
>
> template <typename _Config>
> struct B
> {
> typedef typename _Config::Derived Derived;
>
> void hello(Derived* derived)
> {
> }
> };
>
> struct C;
>
> struct Config
> {
> typedef C Derived;
> };
>
> typedef Compose<B>::T0<Config>::T1 CBase;
>
> struct C: CBase
> {
> void hello2();
> /*{
> hello(this); // ok
> }*/
> };
>
> // main.cc
> #include "main.hh"
>
> void C :: hello2()
> {
> CBase::hello(this); // ok
> hello(this); // Function 'hello' could not be resolved
> }
>
> Another possible bug is related to c++0x variadic template
> specialization:
>
> template <typename... Elements> struct Foo;
>
> template <typename First, typename... Rest> struct Foo<First, Rest...>
> {
> struct Inner { };
> };
>
> typedef Foo<int, int>::Inner Bar; // Type 'foo<int, int>::Inner could
> not be resolved'
>
> Removing 'typename First,' from template parameters and 'First,' from
> template specialization causes the error to disappear, but such code is
> no longer usable.
>
> All code snippets compile fine with gcc 4.5.4.
> This codan's behavior was observed with CDT shipped with Eclipse Indigo
> and with CDT from Eclipse Indigo SR1 RC1.
>
> Best regards,
> Audrius
>
> _______________________________________________
> cdt-dev mailing list
> cdt-dev@xxxxxxxxxxx
> https://dev.eclipse.org/mailman/listinfo/cdt-dev
>
