Module jdk.scripting.nashorn

Package jdk.nashorn.api.tree

Interface FunctionExpressionTree

All Superinterfaces:

ExpressionTree, Tree

public interface FunctionExpressionTree
extends ExpressionTree

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()	Returns the body of this function.
IdentifierTree	getName()	Returns the name of the function being declared.
List<? extends ExpressionTree>	getParameters()	Returns the parameters of this function.
boolean	isArrow()	Is this a arrow function?
boolean	isGenerator()	Is this a generator function?
boolean	isStrict()	Is this a strict function?

Methods declared in interface jdk.nashorn.api.tree.Tree

accept, getEndPosition, getKind, getStartPosition

Method Detail

getName

IdentifierTree getName()

Returns the name of the function being declared.

Returns:

name the function declared

getParameters

List<? extends ExpressionTree> getParameters()

Returns the parameters of this function.

Returns:

the list of parameters

getBody

Tree getBody()

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()

Is this a strict function?

Returns:

true if this function is strict

isArrow

boolean isArrow()

Is this a arrow function?

Returns:

true if this is a arrow function

isGenerator

boolean isGenerator()

Is this a generator function?

Returns:

true if this is a generator function