[Issue 279] New: Nested class can't access var in outer function scope, if nested in class

[Thomas Kuehne]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

d-bugmail at puremagic.com schrieb am 2006-08-05:
> http://d.puremagic.com/issues/show_bug.cgi?id=279

> The nested class can refer to members of the enclosing class, but not variables
> in the enclosing function.
>
> I assume the problem is that the context pointer of the anonymous class nested
> within Foo's constructor refers to the Foo instance, and not to the stack-frame
> of the constructor.
>
> Whether intentional or not, the compiler accepts the program and generates
> buggy code.
>
> --- Test case ---
>
> import std.stdio;
>
> void foo()
> {
>     int x = 42;
>
>     new class Object
>     {
>         this() { writef("%s\n", x); }
>     };
> }
>
> class Foo
> {
>     this()
>     {
>         int x = 42;
>
>         new class Object
>         {
>             this() { writef("%s\n", x); }
>             // Can't access 'x'. Any members of Foo are accessible, however.   
>         };
>     }
> }
>
> void main()
> {
>     foo(); // prints 42
>
>     new Foo(); // prints garbage integer (e.g. 0, on my system.)
> }

Added to DStress as
http://dstress.kuehne.cn/run/c/class_25_A.d
http://dstress.kuehne.cn/run/c/class_25_B.d
http://dstress.kuehne.cn/run/c/class_25_C.d
http://dstress.kuehne.cn/run/c/class_25_D.d
http://dstress.kuehne.cn/run/c/class_25_E.d

Thomas


-----BEGIN PGP SIGNATURE-----

iD8DBQFE2FUpLK5blCcjpWoRAtYCAJ96qFiR3bU0Ciymjw+R/1h8Ae7CvwCfTQrB
HxI4QMG3aHRW4t9jJj8BIQA=
=fuj4
-----END PGP SIGNATURE-----