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randomZ
Joined: 04 Dec 2004
Posts: 31
Location: Tuebingen, Germany
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 Posted: Mon Oct 08, 2007 4:37 am Post subject: Inheritance: Constructor bug |
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Hi,
I ran into something I think is faulty behaviour. Consider this small module:
| Code: | module test;
class A
{
this()
{
writefln("A ctor");
}
}
class B : A
{
this()
{
writefln("B ctor");
super();
}
}
class C : B
{
this()
{
writefln("C ctor");
super();
}
}
local c = C(); |
This code will endlessly repeat the B constructor, never calling the A constructor.
Is there a possibility to have this behaviour fixed? It's quite critical for my project.  Or am I just not getting the MiniD semantics right?
Other than that, thanks for MiniD. I had always been afraid of scripting before I found it... it's very easy to integrate and works like a charm. 
Thanks
Sebastian |
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JarrettBillingsley
Joined: 20 Jun 2006
Posts: 457
Location: Pennsylvania!
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| Posted: Mon Oct 08, 2007 7:39 am Post subject: |
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Oh, my, that is an issue. I think I can fix it. Basically it's working "correctly", at least as far as the way MiniD figures out the base class's constructor. But I guess that way is not quite right..
Until I release a fix, you can use the following. Basically, replace all calls to "super(...)" with "Class.super.constructor(with this, ...)", where Class is the current class.
| Code: | class A
{
this()
{
writefln("A ctor");
}
}
class B : A
{
this()
{
writefln("B ctor");
B.super.constructor(with this);
}
}
class C : B
{
this()
{
writefln("C ctor");
C.super.constructor(with this);
}
}
local c = C(); |
This issue also seems to affect super method calls as well, so I hope to have this fixed very soon. |
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JarrettBillingsley
Joined: 20 Jun 2006
Posts: 457
Location: Pennsylvania!
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| Posted: Mon Oct 08, 2007 10:27 am Post subject: |
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| Aaand it's fixed. Grab the /tags/oct8-2007-1.1 repo. |
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randomZ
Joined: 04 Dec 2004
Posts: 31
Location: Tuebingen, Germany
|
| Posted: Tue Oct 09, 2007 4:58 am Post subject: |
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| Whoa, that was quick. Thanks, I'll give it a try later today. |
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