Class

org.scalajs.core.ir.Trees

JSSuperConstructorCall

Related Doc: package Trees

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case class JSSuperConstructorCall(args: List[Tree])(implicit pos: Position) extends Tree with Product with Serializable

Super constructor call in the constructor of a Scala.js-defined JS class.

Exactly one such node must appear in the constructor of a Scala.js-defined JS class, at the top-level (possibly as a direct child of a top-level Block). Any other use of this node is invalid.

Statements before this node, as well as the args, cannot contain any This() node. Statements after this node can use This().

After the execution of this node, it is guaranteed that all fields declared in the current class have been created and initialized. Up to that point, accessing any field declared in this class (e.g., through an overridden method called from the super constructor) is undefined behavior.

All in all, the shape of a constructor is therefore:

{
  statementsNotUsingThis();
  JSSuperConstructorCall(...argsNotUsingThis);
  statementsThatMayUseThis()
}

which currently translates to something of the following shape:

{
  statementsNotUsingThis();
  super(...argsNotUsingThis);
  this.privateField1 = 0;
  this["publicField2"] = false;
  statementsThatMayUseThis()
}
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Inherited
  1. JSSuperConstructorCall
  2. Serializable
  3. Serializable
  4. Product
  5. Equals
  6. Tree
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Instance Constructors

  1. new JSSuperConstructorCall(args: List[Tree])(implicit pos: Position)

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Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  4. val args: List[Tree]

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  5. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  6. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  7. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  8. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  9. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  10. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  11. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  12. final def notify(): Unit

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    Definition Classes
    AnyRef
  13. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
  14. implicit val pos: Position

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    Definition Classes
    JSSuperConstructorCallTree
  15. def show: String

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    Definition Classes
    Tree
  16. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef
  17. val tpe: NoType.type

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    Definition Classes
    JSSuperConstructorCallTree
  18. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  19. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
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    Annotations
    @throws( ... )
  20. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Serializable

Inherited from Serializable

Inherited from Product

Inherited from Equals

Inherited from Tree

Inherited from AnyRef

Inherited from Any

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