Module jdk.compiler

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