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Barney Laurance 3bc91b9944

Fix multiple issues with @internal and @psalm-internal (#3841 )

* Add passing tests for property fetch on an @internal class

I'm trying to work out why the equivilent InvalidCodeParse test is
failing for PsalmInternal

* Treat all properties of a psalm-internal class as psalm-internal

* Remove all $internal properties from storage - use psalm_internal instead

@internal can be represented as internal to the namespace root, avoiding
the need to check for both properties in storage later.

* Raise InternalClass issue when an internal class is used with e.g. instanceOf

* fix docs and tests

* Add return type declartion to code example in doc

* Don't allow class psalm-internal to overide a tighter method psalm-internal

* Break up long line

* Code style - move && from EOL to SOL

* Restore misplaced &&

* Fix code style

* Fix namespace fetching so it works

Co-authored-by: Matthew Brown <github@muglug.com>

2020-07-22 19:27:35 -04:00

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InternalClass

Emitted when attempting to access a class marked as internal an unrelated namespace or class, or attempting to access a class marked as psalm-internal to a different namespace.

<?php

namespace A {
    /**
     * @internal
     */
    class Foo { }
}

namespace B {
    class Bat {
        public function batBat(): void {
            $a = new \A\Foo();
        }
    }
}

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InternalClass

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