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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* accompanied this code).
*
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package com.sun.source.doctree;
/**
* A visitor of trees, in the style of the visitor design pattern.
* Classes implementing this interface are used to operate
* on a tree when the kind of tree is unknown at compile time.
* When a visitor is passed to an tree's {@link DocTree#accept
* accept} method, the <tt>visit<i>XYZ</i></tt> method most applicable
* to that tree is invoked.
*
* <p> Classes implementing this interface may or may not throw a
* {@code NullPointerException} if the additional parameter {@code p}
* is {@code null}; see documentation of the implementing class for
* details.
*
* <p> <b>WARNING:</b> It is possible that methods will be added to
* this interface to accommodate new, currently unknown, doc comment
* structures added to future versions of the Java™ programming
* language. Therefore, visitor classes directly implementing this
* interface may be source incompatible with future versions of the
* platform.
*
* @param <R> the return type of this visitor's methods. Use {@link
* Void} for visitors that do not need to return results.
* @param <P> the type of the additional parameter to this visitor's
* methods. Use {@code Void} for visitors that do not need an
* additional parameter.
*
* @since 1.8
*/
public interface DocTreeVisitor<R,P> {
/**
* Visits an AttributeTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitAttribute(AttributeTree node, P p);
/**
* Visits an AuthorTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitAuthor(AuthorTree node, P p);
/**
* Visits a CommentTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitComment(CommentTree node, P p);
/**
* Visits a DeprecatedTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitDeprecated(DeprecatedTree node, P p);
/**
* Visits a DocCommentTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitDocComment(DocCommentTree node, P p);
/**
* Visits a DocRootTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitDocRoot(DocRootTree node, P p);
/**
* Visits an EndElementTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitEndElement(EndElementTree node, P p);
/**
* Visits an EntityTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitEntity(EntityTree node, P p);
/**
* Visits an ErroneousTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitErroneous(ErroneousTree node, P p);
/**
* Visits a HiddenTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitHidden(HiddenTree node, P p);
/**
* Visits an IdentifierTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitIdentifier(IdentifierTree node, P p);
/**
* Visits an IndexTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitIndex(IndexTree node, P p);
/**
* Visits an InheritDocTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitInheritDoc(InheritDocTree node, P p);
/**
* Visits a LinkTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitLink(LinkTree node, P p);
/**
* Visits an LiteralTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitLiteral(LiteralTree node, P p);
/**
* Visits a ParamTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitParam(ParamTree node, P p);
/**
* Visits a ReferenceTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitReference(ReferenceTree node, P p);
/**
* Visits a ReturnTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitReturn(ReturnTree node, P p);
/**
* Visits a SeeTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitSee(SeeTree node, P p);
/**
* Visits a SerialTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitSerial(SerialTree node, P p);
/**
* Visits a SerialDataTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitSerialData(SerialDataTree node, P p);
/**
* Visits a SerialFieldTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitSerialField(SerialFieldTree node, P p);
/**
* Visits a SinceTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitSince(SinceTree node, P p);
/**
* Visits a StartElementTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitStartElement(StartElementTree node, P p);
/**
* Visits a TextTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitText(TextTree node, P p);
/**
* Visits a ThrowsTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitThrows(ThrowsTree node, P p);
/**
* Visits an UnknownBlockTagTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitUnknownBlockTag(UnknownBlockTagTree node, P p);
/**
* Visits an UnknownInlineTagTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitUnknownInlineTag(UnknownInlineTagTree node, P p);
/**
* Visits a ValueTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitValue(ValueTree node, P p);
/**
* Visits a VersionTreeTree node.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitVersion(VersionTree node, P p);
/**
* Visits an unknown type of DocTree node.
* This can occur if the set of tags evolves and new kinds
* of nodes are added to the {@code DocTree} hierarchy.
* @param node the node being visited
* @param p a parameter value
* @return a result value
*/
R visitOther(DocTree node, P p);
}