Module jdk.scripting.nashorn
Package jdk.nashorn.api.tree

Interface FunctionExpressionTree

  • All Superinterfaces:
    ExpressionTree, Tree
    @Deprecated(since="11",
            forRemoval=true)
public interface FunctionExpressionTree
extends ExpressionTree
    Deprecated, for removal: This API element is subject to removal in a future version.
    Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
    A tree node for function expressions including arrow functions. For example: 
       var func = function
      ( parameters )
      body
 
       var func = (x) => x+1
    Since:
    9

    • Nested Class Summary

      • Nested classes/interfaces declared in interface jdk.nashorn.api.tree.Tree

        Tree.Kind

    • Method Summary

      Modifier and Type Method Description
      Tree getBody()
      Deprecated, for removal: This API element is subject to removal in a future version.
      Returns the body of this function.
      IdentifierTree getName()
      Deprecated, for removal: This API element is subject to removal in a future version.
      Returns the name of the function being declared.
      List<? extends ExpressionTree> getParameters()
      Deprecated, for removal: This API element is subject to removal in a future version.
      Returns the parameters of this function.
      boolean isArrow()
      Deprecated, for removal: This API element is subject to removal in a future version.
      Is this a arrow function?
      boolean isGenerator()
      Deprecated, for removal: This API element is subject to removal in a future version.
      Is this a generator function?
      boolean isStrict()
      Deprecated, for removal: This API element is subject to removal in a future version.
      Is this a strict function?

    • Method Detail

      • getName

        IdentifierTree getName()
        Deprecated, for removal: This API element is subject to removal in a future version.
        Returns the name of the function being declared.
        Returns:
        name the function declared

      • getParameters

        List<? extends ExpressionTree> getParameters()
        Deprecated, for removal: This API element is subject to removal in a future version.
        Returns the parameters of this function.
        Returns:
        the list of parameters

      • getBody

        Tree getBody()
        Deprecated, for removal: This API element is subject to removal in a future version.
        Returns the body of this function. This may be a BlockTree when this function has a block body. This is an ExpressionTree when the function body is a concise expression as in an expression arrow, or in an expression closure.
        Returns:
        the body of this function

      • isStrict

        boolean isStrict()
        Deprecated, for removal: This API element is subject to removal in a future version.
        Is this a strict function?
        Returns:
        true if this function is strict

      • isArrow

        boolean isArrow()
        Deprecated, for removal: This API element is subject to removal in a future version.
        Is this a arrow function?
        Returns:
        true if this is a arrow function

      • isGenerator

        boolean isGenerator()
        Deprecated, for removal: This API element is subject to removal in a future version.
        Is this a generator function?
        Returns:
        true if this is a generator function