Module org.openjdk.nashorn
Package org.openjdk.nashorn.api.tree

Interface Tree

All Known Subinterfaces:
ArrayAccessTree, ArrayLiteralTree, AssignmentTree, BinaryTree, BlockTree, BreakTree, CaseTree, CatchTree, ClassDeclarationTree, ClassExpressionTree, CompilationUnitTree, CompoundAssignmentTree, ConditionalExpressionTree, ConditionalLoopTree, ContinueTree, DebuggerTree, DoWhileLoopTree, EmptyStatementTree, ErroneousTree, ExportEntryTree, ExpressionStatementTree, ExpressionTree, ForInLoopTree, ForLoopTree, ForOfLoopTree, FunctionCallTree, FunctionDeclarationTree, FunctionExpressionTree, GotoTree, IdentifierTree, IfTree, ImportEntryTree, InstanceOfTree, LabeledStatementTree, LiteralTree, LoopTree, MemberSelectTree, ModuleTree, NewTree, ObjectLiteralTree, ParenthesizedTree, PropertyTree, RegExpLiteralTree, ReturnTree, SpreadTree, StatementTree, SwitchTree, TemplateLiteralTree, ThrowTree, TryTree, UnaryTree, VariableTree, WhileLoopTree, WithTree, YieldTree
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
    Description
    static enum 
    Tree.Kind
    Enumerates all kinds of trees.

  • Method Summary

    Modifier and Type
    Method
    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 Details

    • 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