[nem-en] Re: [svn] r6779: nemerle/trunk: . Build-1-phase.cmdBuild.cmd BuildAndReg-Release.cmd BuildAndReg.cmd NCC.npro...

[Kamil Skalski]

Delegates have special node in parsetree, so it should be easy to do
similar mixed approach as in IsInterface, etc. properties where we use
different checks according to compilation stage. I will do this later.

On 10/30/06, vc <vc at rsdn.ru> wrote:
>    > Was it necessary? The new way of marking type as delegate does not
>    > work with macros - if macro adds new delegate in a later stage of
>    > compilation, then members gets created during call to Define - and
>    > they use IsDelegate property on the type they are declared in. But if
>    > you mark type as delegate AFTER call to Define, it is too late for its
>    > members to notice this.
>    >
>    > Because of this, the testsuite/macroprog.n test is failing.
>
>    I use it property in the BeforeInheritance stage. See line 136 in
> macros\compiler.n. In this stage the parent_type field is not yet set and
> old implementation of IsDelegate return false for all types.
>
>    May be set the is_delegate at delegate added in old stage? Or combine two
> approaches? For example:
>    public override IsDelegate : bool
>    {
>      get
>      {
>        if (is_delegate)
>          true
>        else
>        {
>          parent_type != null
>          && parent_type.tycon.FullName == "System.MulticastDelegate"
>        }
>      }
>    }
>
>
>
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>


-- 
Kamil Skalski
http://nazgul.omega.pl