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 class Tree.Kind
Enumerates all kinds of trees.

Method Summary

All Methods Instance Methods Abstract Methods
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 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