Java Module jdk.compiler Package com.sun.source.util Class SimpleTreeVisitor<R,P>（JDK11）

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java.lang.Object
- com.sun.source.util.SimpleTreeVisitor<R,P>

Type Parameters:

R - the return type of this visitor's methods. Use Void for visitors that do not need to return results.

P - the type of the additional parameter to this visitor's methods. Use Void for visitors that do not need an additional parameter.

All Implemented Interfaces:

TreeVisitor<R,P>
```
public class SimpleTreeVisitor<R,P>
extends Object
implements TreeVisitor<R,P>
```
A simple visitor for tree nodes.

Since:

1.6

Field Summary

Fields
Modifier and Type	Field	Description
`protected R`	`DEFAULT_VALUE`	The default value, returned by the `default action`.

Constructor Summary

Constructors
Modifier	Constructor	Description
`protected`	`SimpleTreeVisitor()`	Creates a visitor, with a DEFAULT_VALUE of `null`.
`protected`	`SimpleTreeVisitor(R defaultValue)`	Creates a visitor, with a specified DEFAULT_VALUE.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected R`	`defaultAction(Tree node, P p)`	The default action, used by all visit methods that are not overridden.
`R`	`visit(Tree node, P p)`	Invokes the appropriate visit method specific to the type of the node.
`R`	`visit(Iterable<? extends Tree> nodes, P p)`	Invokes the appropriate visit method on each of a sequence of nodes.
`R`	`visitAnnotatedType(AnnotatedTypeTree node, P p)`	Visits an AnnotatedTypeTree node.
`R`	`visitAnnotation(AnnotationTree node, P p)`	Visits an AnnotatedTree node.
`R`	`visitArrayAccess(ArrayAccessTree node, P p)`	Visits an ArrayAccessTree node.
`R`	`visitArrayType(ArrayTypeTree node, P p)`	Visits an ArrayTypeTree node.
`R`	`visitAssert(AssertTree node, P p)`	Visits an AssertTree node.
`R`	`visitAssignment(AssignmentTree node, P p)`	Visits an AssignmentTree node.
`R`	`visitBinary(BinaryTree node, P p)`	Visits a BinaryTree node.
`R`	`visitBlock(BlockTree node, P p)`	Visits a BlockTree node.
`R`	`visitBreak(BreakTree node, P p)`	Visits a BreakTree node.
`R`	`visitCase(CaseTree node, P p)`	Visits a CaseTree node.
`R`	`visitCatch(CatchTree node, P p)`	Visits a CatchTree node.
`R`	`visitClass(ClassTree node, P p)`	Visits a ClassTree node.
`R`	`visitCompilationUnit(CompilationUnitTree node, P p)`	Visits a CompilationUnitTree node.
`R`	`visitCompoundAssignment(CompoundAssignmentTree node, P p)`	Visits a CompoundAssignmentTree node.
`R`	`visitConditionalExpression(ConditionalExpressionTree node, P p)`	Visits a ConditionalExpressionTree node.
`R`	`visitContinue(ContinueTree node, P p)`	Visits a ContinueTree node.
`R`	`visitDoWhileLoop(DoWhileLoopTree node, P p)`	Visits a DoWhileTree node.
`R`	`visitEmptyStatement(EmptyStatementTree node, P p)`	Visits an EmptyStatementTree node.
`R`	`visitEnhancedForLoop(EnhancedForLoopTree node, P p)`	Visits an EnhancedForLoopTree node.
`R`	`visitExpressionStatement(ExpressionStatementTree node, P p)`	Visits an ExpressionStatementTree node.
`R`	`visitForLoop(ForLoopTree node, P p)`	Visits a ForLoopTree node.
`R`	`visitIdentifier(IdentifierTree node, P p)`	Visits an IdentifierTree node.
`R`	`visitIf(IfTree node, P p)`	Visits an IfTree node.
`R`	`visitImport(ImportTree node, P p)`	Visits an ImportTree node.
`R`	`visitInstanceOf(InstanceOfTree node, P p)`	Visits an InstanceOfTree node.
`R`	`visitIntersectionType(IntersectionTypeTree node, P p)`	Visits an IntersectionTypeTree node.
`R`	`visitLabeledStatement(LabeledStatementTree node, P p)`	Visits a LabeledStatementTree node.
`R`	`visitLambdaExpression(LambdaExpressionTree node, P p)`	Visits a LambdaExpressionTree node.
`R`	`visitLiteral(LiteralTree node, P p)`	Visits a LiteralTree node.
`R`	`visitMemberReference(MemberReferenceTree node, P p)`	Visits a MemberReferenceTree node.
`R`	`visitMemberSelect(MemberSelectTree node, P p)`	Visits a MemberSelectTree node.
`R`	`visitMethod(MethodTree node, P p)`	Visits a MethodTree node.
`R`	`visitMethodInvocation(MethodInvocationTree node, P p)`	Visits a MethodInvocationTree node.
`R`	`visitModifiers(ModifiersTree node, P p)`	Visits a ModifiersTree node.
`R`	`visitNewArray(NewArrayTree node, P p)`	Visits a NewArrayTree node.
`R`	`visitNewClass(NewClassTree node, P p)`	Visits a NewClassTree node.
`R`	`visitOther(Tree node, P p)`	Visits an unknown type of Tree node.
`R`	`visitPackage(PackageTree node, P p)`	Visits a PackageTree node.
`R`	`visitParameterizedType(ParameterizedTypeTree node, P p)`	Visits a ParameterizedTypeTree node.
`R`	`visitParenthesized(ParenthesizedTree node, P p)`	Visits a ParenthesizedTree node.
`R`	`visitPrimitiveType(PrimitiveTypeTree node, P p)`	Visits a PrimitiveTypeTree node.
`R`	`visitReturn(ReturnTree node, P p)`	Visits a ReturnTree node.
`R`	`visitSwitch(SwitchTree node, P p)`	Visits a SwitchTree node.
`R`	`visitSynchronized(SynchronizedTree node, P p)`	Visits a SynchronizedTree node.
`R`	`visitThrow(ThrowTree node, P p)`	Visits a ThrowTree node.
`R`	`visitTry(TryTree node, P p)`	Visits a TryTree node.
`R`	`visitTypeCast(TypeCastTree node, P p)`	Visits a TypeCastTree node.
`R`	`visitTypeParameter(TypeParameterTree node, P p)`	Visits a TypeParameterTree node.
`R`	`visitUnary(UnaryTree node, P p)`	Visits a UnaryTree node.
`R`	`visitUnionType(UnionTypeTree node, P p)`	Visits a UnionTypeTree node.
`R`	`visitVariable(VariableTree node, P p)`	Visits a VariableTree node.
`R`	`visitWhileLoop(WhileLoopTree node, P p)`	Visits a WhileLoopTree node.
`R`	`visitWildcard(WildcardTree node, P p)`	Visits a WildcardTypeTree node.

Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods declared in interface com.sun.source.tree.TreeVisitor
visitErroneous, visitExports, visitModule, visitOpens, visitProvides, visitRequires, visitUses

- Field Detail
  - DEFAULT_VALUE
```
protected final R DEFAULT_VALUE
```
    The default value, returned by the default action.
- Constructor Detail
  - SimpleTreeVisitor
```
protected SimpleTreeVisitor()
```
    Creates a visitor, with a DEFAULT_VALUE of null.
  - SimpleTreeVisitor
```
protected SimpleTreeVisitor(R defaultValue)
```
    Creates a visitor, with a specified DEFAULT_VALUE.
    
    Parameters:
    
    defaultValue - the default value to be returned by the default action.
- Method Detail
  - defaultAction
```
protected R defaultAction(Tree node,
                          P p)
```
    The default action, used by all visit methods that are not overridden.
    
    Parameters:
    
    node - the node being visited
    
    p - the parameter value passed to the visit method
    
    Returns:
    
    the result value to be returned from the visit method
  - visit
```
public final R visit(Tree node,
                     P p)
```
    Invokes the appropriate visit method specific to the type of the node.
    
    Parameters:
    
    node - the node on which to dispatch
    
    p - a parameter to be passed to the appropriate visit method
    
    Returns:
    
    the value returns from the appropriate visit method
  - visit
```
public final R visit(Iterable<? extends Tree> nodes,
                     P p)
```
    Invokes the appropriate visit method on each of a sequence of nodes.
    
    Parameters:
    
    nodes - the nodes on which to dispatch
    
    p - a parameter value to be passed to each appropriate visit method
    
    Returns:
    
    the value return from the last of the visit methods, or null if none were called.
  - visitCompilationUnit
```
public R visitCompilationUnit(CompilationUnitTree node,
                              P p)
```
    Visits a CompilationUnitTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitCompilationUnit in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitPackage
```
public R visitPackage(PackageTree node,
                      P p)
```
    Visits a PackageTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitPackage in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitImport
```
public R visitImport(ImportTree node,
                     P p)
```
    Visits an ImportTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitImport in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitClass
```
public R visitClass(ClassTree node,
                    P p)
```
    Visits a ClassTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitClass in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitMethod
```
public R visitMethod(MethodTree node,
                     P p)
```
    Visits a MethodTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitMethod in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitVariable
```
public R visitVariable(VariableTree node,
                       P p)
```
    Visits a VariableTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitVariable in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitEmptyStatement
```
public R visitEmptyStatement(EmptyStatementTree node,
                             P p)
```
    Visits an EmptyStatementTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitEmptyStatement in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitBlock
```
public R visitBlock(BlockTree node,
                    P p)
```
    Visits a BlockTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitBlock in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitDoWhileLoop
```
public R visitDoWhileLoop(DoWhileLoopTree node,
                          P p)
```
    Visits a DoWhileTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitDoWhileLoop in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitWhileLoop
```
public R visitWhileLoop(WhileLoopTree node,
                        P p)
```
    Visits a WhileLoopTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitWhileLoop in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitForLoop
```
public R visitForLoop(ForLoopTree node,
                      P p)
```
    Visits a ForLoopTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitForLoop in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitEnhancedForLoop
```
public R visitEnhancedForLoop(EnhancedForLoopTree node,
                              P p)
```
    Visits an EnhancedForLoopTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitEnhancedForLoop in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitLabeledStatement
```
public R visitLabeledStatement(LabeledStatementTree node,
                               P p)
```
    Visits a LabeledStatementTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitLabeledStatement in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitSwitch
```
public R visitSwitch(SwitchTree node,
                     P p)
```
    Visits a SwitchTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitSwitch in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitCase
```
public R visitCase(CaseTree node,
                   P p)
```
    Visits a CaseTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitCase in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitSynchronized
```
public R visitSynchronized(SynchronizedTree node,
                           P p)
```
    Visits a SynchronizedTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitSynchronized in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitTry
```
public R visitTry(TryTree node,
                  P p)
```
    Visits a TryTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitTry in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitCatch
```
public R visitCatch(CatchTree node,
                    P p)
```
    Visits a CatchTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitCatch in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitConditionalExpression
```
public R visitConditionalExpression(ConditionalExpressionTree node,
                                    P p)
```
    Visits a ConditionalExpressionTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitConditionalExpression in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitIf
```
public R visitIf(IfTree node,
                 P p)
```
    Visits an IfTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitIf in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitExpressionStatement
```
public R visitExpressionStatement(ExpressionStatementTree node,
                                  P p)
```
    Visits an ExpressionStatementTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitExpressionStatement in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitBreak
```
public R visitBreak(BreakTree node,
                    P p)
```
    Visits a BreakTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitBreak in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitContinue
```
public R visitContinue(ContinueTree node,
                       P p)
```
    Visits a ContinueTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitContinue in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitReturn
```
public R visitReturn(ReturnTree node,
                     P p)
```
    Visits a ReturnTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitReturn in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitThrow
```
public R visitThrow(ThrowTree node,
                    P p)
```
    Visits a ThrowTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitThrow in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitAssert
```
public R visitAssert(AssertTree node,
                     P p)
```
    Visits an AssertTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitAssert in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitMethodInvocation
```
public R visitMethodInvocation(MethodInvocationTree node,
                               P p)
```
    Visits a MethodInvocationTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitMethodInvocation in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitNewClass
```
public R visitNewClass(NewClassTree node,
                       P p)
```
    Visits a NewClassTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitNewClass in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitNewArray
```
public R visitNewArray(NewArrayTree node,
                       P p)
```
    Visits a NewArrayTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitNewArray in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitLambdaExpression
```
public R visitLambdaExpression(LambdaExpressionTree node,
                               P p)
```
    Visits a LambdaExpressionTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitLambdaExpression in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitParenthesized
```
public R visitParenthesized(ParenthesizedTree node,
                            P p)
```
    Visits a ParenthesizedTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitParenthesized in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitAssignment
```
public R visitAssignment(AssignmentTree node,
                         P p)
```
    Visits an AssignmentTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitAssignment in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitCompoundAssignment
```
public R visitCompoundAssignment(CompoundAssignmentTree node,
                                 P p)
```
    Visits a CompoundAssignmentTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitCompoundAssignment in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitUnary
```
public R visitUnary(UnaryTree node,
                    P p)
```
    Visits a UnaryTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitUnary in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitBinary
```
public R visitBinary(BinaryTree node,
                     P p)
```
    Visits a BinaryTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitBinary in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitTypeCast
```
public R visitTypeCast(TypeCastTree node,
                       P p)
```
    Visits a TypeCastTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitTypeCast in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitInstanceOf
```
public R visitInstanceOf(InstanceOfTree node,
                         P p)
```
    Visits an InstanceOfTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitInstanceOf in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitArrayAccess
```
public R visitArrayAccess(ArrayAccessTree node,
                          P p)
```
    Visits an ArrayAccessTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitArrayAccess in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitMemberSelect
```
public R visitMemberSelect(MemberSelectTree node,
                           P p)
```
    Visits a MemberSelectTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitMemberSelect in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitMemberReference
```
public R visitMemberReference(MemberReferenceTree node,
                              P p)
```
    Visits a MemberReferenceTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitMemberReference in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitIdentifier
```
public R visitIdentifier(IdentifierTree node,
                         P p)
```
    Visits an IdentifierTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitIdentifier in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitLiteral
```
public R visitLiteral(LiteralTree node,
                      P p)
```
    Visits a LiteralTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitLiteral in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitPrimitiveType
```
public R visitPrimitiveType(PrimitiveTypeTree node,
                            P p)
```
    Visits a PrimitiveTypeTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitPrimitiveType in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitArrayType
```
public R visitArrayType(ArrayTypeTree node,
                        P p)
```
    Visits an ArrayTypeTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitArrayType in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitParameterizedType
```
public R visitParameterizedType(ParameterizedTypeTree node,
                                P p)
```
    Visits a ParameterizedTypeTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitParameterizedType in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitUnionType
```
public R visitUnionType(UnionTypeTree node,
                        P p)
```
    Visits a UnionTypeTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitUnionType in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitIntersectionType
```
public R visitIntersectionType(IntersectionTypeTree node,
                               P p)
```
    Visits an IntersectionTypeTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitIntersectionType in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitTypeParameter
```
public R visitTypeParameter(TypeParameterTree node,
                            P p)
```
    Visits a TypeParameterTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitTypeParameter in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitWildcard
```
public R visitWildcard(WildcardTree node,
                       P p)
```
    Visits a WildcardTypeTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitWildcard in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitModifiers
```
public R visitModifiers(ModifiersTree node,
                        P p)
```
    Visits a ModifiersTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitModifiers in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitAnnotation
```
public R visitAnnotation(AnnotationTree node,
                         P p)
```
    Visits an AnnotatedTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitAnnotation in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitAnnotatedType
```
public R visitAnnotatedType(AnnotatedTypeTree node,
                            P p)
```
    Visits an AnnotatedTypeTree node. This implementation calls defaultAction.
    
    Specified by:
    
    visitAnnotatedType in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction
  - visitOther
```
public R visitOther(Tree node,
                    P p)
```
    Visits an unknown type of Tree node. This can occur if the language evolves and new kinds of nodes are added to the Tree hierarchy. This implementation calls defaultAction.
    
    Specified by:
    
    visitOther in interface TreeVisitor<R,P>
    
    Parameters:
    
    node - the node being visited
    
    p - a parameter value
    
    Returns:
    
    the result of defaultAction

Java Module jdk.compiler Package com.sun.source.util Class SimpleTreeVisitor<R,P>（JDK11）

Class SimpleTreeVisitor<R,​P>

Field Summary

Constructor Summary

Method Summary

Methods declared in class java.lang.Object

Methods declared in interface com.sun.source.tree.TreeVisitor

Field Detail

DEFAULT_VALUE

Constructor Detail

SimpleTreeVisitor

SimpleTreeVisitor

Method Detail

defaultAction

visit

visit

visitCompilationUnit

visitPackage

visitImport

visitClass

visitMethod

visitVariable

visitEmptyStatement

visitBlock

visitDoWhileLoop

visitWhileLoop

visitForLoop

visitEnhancedForLoop

visitLabeledStatement

visitSwitch

visitCase

visitSynchronized

visitTry

visitCatch

visitConditionalExpression

visitIf

visitExpressionStatement

visitBreak

visitContinue

visitReturn

visitThrow

visitAssert

visitMethodInvocation

visitNewClass

visitNewArray

visitLambdaExpression

visitParenthesized

visitAssignment

visitCompoundAssignment

visitUnary

visitBinary

visitTypeCast

visitInstanceOf

visitArrayAccess

visitMemberSelect

visitMemberReference

visitIdentifier

visitLiteral

visitPrimitiveType

visitArrayType

visitParameterizedType

visitUnionType

visitIntersectionType

visitTypeParameter

visitWildcard

visitModifiers

visitAnnotation

visitAnnotatedType

visitOther

Class SimpleTreeVisitor<R,P>