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  1. JDK
  2. JDK-8029042

Receiver parameter not supported on local class constructor

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    • b19
    • Verified

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      Description

        If an inner class is a member, then a receiver parameter works fine:

        class Top {
          class Inner {
            Inner(Top Top.this) {}
          }
        }

        but if the inner class is local:

        class Top {
          void m() {
            class Inner {
              Inner(Top Top.this) {}
            }
          }
        }

        then javac (JDK8 b116) gets confused - it thinks Inner is top level:

        error: receiver parameter not applicable for constructor of top-level class
              Inner(Top Top.this) {}
                        ^

        This is a bug. A local class is a perfectly good inner class - the ctor of Top$1Inner.class even takes a Top - so its constructor ought to permit a receiver parameter. This is even true when the local class is inside a default method of an interface - in that case, the type of the receiver parameter is the interface. (As of JLS8, it is legal to say InterfaceName.this inside a default method of an interface.)

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8046586 Receiver parameter not supported on local class constructor

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8048484 Receiver parameter not supported on local class constructor

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8052631 Receiver parameter not supported on local class constructor

            • P3 - Major loss of function.
            • Resolved
            relates to

            Bug - A problem which impairs or prevents the functions of the product. JDK-8162500 Receiver annotations of inner classes of local classes not found at runtime

            • P3 - Major loss of function.
            • Open

            Bug - A problem which impairs or prevents the functions of the product. JDK-8162501 getAnnotatedReceiverType of a local class constructor returns null

            • P3 - Major loss of function.
            • In Progress

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                pgovereau Paul Govereau (Inactive)
                abuckley Alex Buckley
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                  Updated:
                  Resolved: