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 1812: -> not working with template example		  New Topic  Reply to Topic
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Luke1410
Senior Member

32 Posts
Posted - Feb 17 2010 :  10:43:44 AM  Show Profile  Reply with Quote
using the following code exmaple:


template <typename T> class Base
{
};

template<class T> class Second : public Base<Second<T> >
{
private:
	T* PointTo;

public:	
	Second();

	T* operator->() const
	{
		return PointTo;
	}
};

class Foo
{
public:
	void test() const {}
};

void main()
{
	Second<Foo> pfoo;
	pfoo->
}


When entering pfoo-> in main(), I don't see a suggestion list unless I set VAX to also take the intellisense suggestions into account, too. However, after entering "pfoo->test();" test is correctly color-coded as being a valid method.

This is really giving us a hard time atm, since most of our devs have intellisense disabled and rely on VAX and we just recently replaced almost all of our pointers with smart pointers.
Edited by - Luke1410 on Feb 17 2010 10:45:02 AM

accord
Whole Tomato Software

United Kingdom
3287 Posts
Posted - Feb 18 2010 :  3:44:12 PM  Show Profile  Reply with Quote
Turning on

VA Options -> Advanced -> Listboxes -> Get content from default Intellisense

will not help if you have disabled default intellisense. I didn't and it is working for me using VS2008 SP1 and this setting. What IDE do you use?

Anyway, I am seeing the same effect here. Thank you for the clear description. This is

case=39159
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Luke1410
Senior Member

32 Posts
Posted - Feb 18 2010 :  4:47:23 PM  Show Profile  Reply with Quote
I guess there's a misunderstanding here. :)
The listbox contains the proper suggestion if "Get content from default Intellisense" is enabled. That's working fine. All I wanted to state is that this is not an option for all of our developers, since some of them have disabled intellisense.

Just to answer ur question anyway: we'r using VS 2005 SP1
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feline
Whole Tomato Software

United Kingdom
19021 Posts
Posted - Feb 18 2010 :  4:53:17 PM  Show Profile  Reply with Quote
I think I have a workaround solution for this problem, but it is not very nice. Changing your code, so the derived template class looks like this:

#ifdef VA_HELPER_CODE
class dummy_base_class { };
#define BASE_CLASS_FOR_SECOND public dummy_base_class
#else
#define BASE_CLASS_FOR_SECOND public Base<Second<T> >
#endif

template<class T> class Second : BASE_CLASS_FOR_SECOND
{
    // ...
}

fixes the problem for me. It seems having a template class as the base class is causing problems.
zen is the art of being at one with the two'ness
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Luke1410
Senior Member

32 Posts
Posted - Feb 23 2010 :  06:57:22 AM  Show Profile  Reply with Quote
thx for the workaround --- that one really worked quite fine for us
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