Module jdk.scripting.nashorn

Package jdk.nashorn.api.tree

Interface Tree

All Known Subinterfaces:

ArrayAccessTree, ArrayLiteralTree, AssignmentTree, BinaryTree, BlockTree, BreakTree, CaseTree, CatchTree, CompilationUnitTree, CompoundAssignmentTree, ConditionalExpressionTree, ConditionalLoopTree, ContinueTree, DebuggerTree, DoWhileLoopTree, EmptyStatementTree, ErroneousTree, ExpressionStatementTree, ExpressionTree, ForInLoopTree, ForLoopTree, FunctionCallTree, FunctionDeclarationTree, FunctionExpressionTree, GotoTree, IdentifierTree, IfTree, InstanceOfTree, LabeledStatementTree, LiteralTree, LoopTree, MemberSelectTree, NewTree, ObjectLiteralTree, ParenthesizedTree, PropertyTree, RegExpLiteralTree, ReturnTree, StatementTree, SwitchTree, ThrowTree, TryTree, UnaryTree, VariableTree, WhileLoopTree, WithTree

public interface Tree

Common interface for all nodes in an abstract syntax tree.

WARNING: This interface and its sub-interfaces are subject to change as the ECMAScript programming language evolves.

Since:

9

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	Tree.Kind Enumerates all kinds of trees.

Method Summary

Modifier and Type	Method and Description
<R,D> R	accept(TreeVisitor<R,D> visitor, D data) Accept method used to implement the visitor pattern.
long	getEndPosition() End character offset of this Tree within the source.
Tree.Kind	getKind() Gets the kind of this tree.
long	getStartPosition() Start character offset of this Tree within the source.

Method Detail

getStartPosition

long getStartPosition()

Start character offset of this Tree within the source.

Returns:

the position

getEndPosition

long getEndPosition()

End character offset of this Tree within the source.

Returns:

the position

getKind

Tree.Kind getKind()

Gets the kind of this tree.

Returns:

the kind of this tree.

accept

<R,D> R accept(TreeVisitor<R,D> visitor,
               D data)

Accept method used to implement the visitor pattern. The visitor pattern is used to implement operations on trees.

Type Parameters:

R - result type of this operation.

D - type of additional data.

Parameters:

visitor - tree visitor

data - additional data passed to visitor methods

Returns:

the value from visitor's visit methods