Module jdk.compiler
Package com.sun.source.tree

Interface Tree

All Known Subinterfaces:
AnnotatedTypeTree, AnnotationTree, ArrayAccessTree, ArrayTypeTree, AssertTree, AssignmentTree, BinaryTree, BindingPatternTree, BlockTree, BreakTree, CaseTree, CatchTree, ClassTree, CompilationUnitTree, CompoundAssignmentTree, ConditionalExpressionTree, ContinueTree, DirectiveTree, DoWhileLoopTree, EmptyStatementTree, EnhancedForLoopTree, ErroneousTree, ExportsTree, ExpressionStatementTree, ExpressionTree, ForLoopTree, IdentifierTree, IfTree, ImportTree, InstanceOfTree, IntersectionTypeTree, LabeledStatementTree, LambdaExpressionTree, LiteralTree, MemberReferenceTree, MemberSelectTree, MethodInvocationTree, MethodTree, ModifiersTree, ModuleTree, NewArrayTree, NewClassTree, OpensTree, PackageTree, ParameterizedTypeTree, ParenthesizedTree, PatternTree, PrimitiveTypeTree, ProvidesTree, RequiresTree, ReturnTree, StatementTree, SwitchExpressionTree, SwitchTree, SynchronizedTree, ThrowTree, TryTree, TypeCastTree, TypeParameterTree, UnaryTree, UnionTypeTree, UsesTree, VariableTree, WhileLoopTree, WildcardTree, 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 Java™ programming language evolves. These interfaces are implemented by the JDK Java compiler (javac) and should not be implemented either directly or indirectly by other applications.

Since:
1.6

  • Nested Class Summary

    Nested Classes 
    Modifier and Type Interface Description
    static class  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.
    Tree.Kind getKind()
    Returns the kind of this tree.

  • Method Details

    • getKind

      Tree.Kind getKind()
      Returns 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 - the visitor to be called
      data - a value to be passed to the visitor
      Returns:
      the result returned from calling the visitor