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 Classes

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

Tree.Kind

Methods

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?

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

accept, getEndPosition, getKind, getStartPosition

Methods

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

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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https://docs.oracle.com/en/java/javase/11/docs/api/jdk.scripting.nashorn/jdk/nashorn/api/tree/FunctionExpressionTree.html