feat(jdk8): move files to new folder to avoid resources compiled.

This commit is contained in:
2025-09-07 15:25:52 +08:00
parent 3f0047bf6f
commit 8c35cfb1c0
17415 changed files with 217 additions and 213 deletions

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/*
* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
import com.sun.source.doctree.DocCommentTree;
import com.sun.source.doctree.DocTree;
import com.sun.source.tree.CompilationUnitTree;
/**
* Provides methods to obtain the position of a DocTree within a javadoc comment.
* A position is defined as a simple character offset from the start of a
* CompilationUnit where the first character is at offset 0.
*
* @since 1.8
*/
@jdk.Exported
public interface DocSourcePositions extends SourcePositions {
/**
* Gets the starting position of the tree within the comment within the file. If tree is not found within
* file, or if the starting position is not available,
* return {@link javax.tools.Diagnostic#NOPOS}.
* The given tree should be under the given comment tree, and the given documentation
* comment tree should be returned from a {@link DocTrees#getDocCommentTree(com.sun.source.util.TreePath) }
* for a tree under the given file.
* The returned position must be at the start of the yield of this tree, that
* is for any sub-tree of this tree, the following must hold:
*
* <p>
* {@code tree.getStartPosition() <= subtree.getStartPosition()} or <br>
* {@code tree.getStartPosition() == NOPOS} or <br>
* {@code subtree.getStartPosition() == NOPOS}
* </p>
*
* @param file CompilationUnit in which to find tree.
* @param comment the comment tree that encloses the tree for which the
* position is being sought
* @param tree tree for which a position is sought.
* @return the start position of tree.
*/
long getStartPosition(CompilationUnitTree file, DocCommentTree comment, DocTree tree);
/**
* Gets the ending position of the tree within the comment within the file. If tree is not found within
* file, or if the ending position is not available,
* return {@link javax.tools.Diagnostic#NOPOS}.
* The given tree should be under the given comment tree, and the given documentation
* comment tree should be returned from a {@link DocTrees#getDocCommentTree(com.sun.source.util.TreePath) }
* for a tree under the given file.
* The returned position must be at the end of the yield of this tree,
* that is for any sub-tree of this tree, the following must hold:
*
* <p>
* {@code tree.getEndPosition() >= subtree.getEndPosition()} or <br>
* {@code tree.getEndPosition() == NOPOS} or <br>
* {@code subtree.getEndPosition() == NOPOS}
* </p>
*
* In addition, the following must hold:
*
* <p>
* {@code tree.getStartPosition() <= tree.getEndPosition()} or <br>
* {@code tree.getStartPosition() == NOPOS} or <br>
* {@code tree.getEndPosition() == NOPOS}
* </p>
*
* @param file CompilationUnit in which to find tree.
* @param comment the comment tree that encloses the tree for which the
* position is being sought
* @param tree tree for which a position is sought.
* @return the start position of tree.
*/
long getEndPosition(CompilationUnitTree file, DocCommentTree comment, DocTree tree);
}

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/*
* Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
import com.sun.source.doctree.DocCommentTree;
import com.sun.source.doctree.DocTree;
import java.util.Iterator;
/**
* A path of tree nodes, typically used to represent the sequence of ancestor
* nodes of a tree node up to the top level DocCommentTree node.
*
* @since 1.8
*/
@jdk.Exported
public class DocTreePath implements Iterable<DocTree> {
/**
* Gets a documentation tree path for a tree node within a compilation unit.
* @return null if the node is not found
*/
public static DocTreePath getPath(TreePath treePath, DocCommentTree doc, DocTree target) {
return getPath(new DocTreePath(treePath, doc), target);
}
/**
* Gets a documentation tree path for a tree node within a subtree identified by a DocTreePath object.
* @return null if the node is not found
*/
public static DocTreePath getPath(DocTreePath path, DocTree target) {
path.getClass();
target.getClass();
class Result extends Error {
static final long serialVersionUID = -5942088234594905625L;
DocTreePath path;
Result(DocTreePath path) {
this.path = path;
}
}
class PathFinder extends DocTreePathScanner<DocTreePath,DocTree> {
public DocTreePath scan(DocTree tree, DocTree target) {
if (tree == target) {
throw new Result(new DocTreePath(getCurrentPath(), target));
}
return super.scan(tree, target);
}
}
if (path.getLeaf() == target) {
return path;
}
try {
new PathFinder().scan(path, target);
} catch (Result result) {
return result.path;
}
return null;
}
/**
* Creates a DocTreePath for a root node.
*
* @param treePath the TreePath from which the root node was created.
* @param t the DocCommentTree to create the path for.
*/
public DocTreePath(TreePath treePath, DocCommentTree t) {
treePath.getClass();
t.getClass();
this.treePath = treePath;
this.docComment = t;
this.parent = null;
this.leaf = t;
}
/**
* Creates a DocTreePath for a child node.
*/
public DocTreePath(DocTreePath p, DocTree t) {
if (t.getKind() == DocTree.Kind.DOC_COMMENT) {
throw new IllegalArgumentException("Use DocTreePath(TreePath, DocCommentTree) to construct DocTreePath for a DocCommentTree.");
} else {
treePath = p.treePath;
docComment = p.docComment;
parent = p;
}
leaf = t;
}
/**
* Get the TreePath associated with this path.
* @return TreePath for this DocTreePath
*/
public TreePath getTreePath() {
return treePath;
}
/**
* Get the DocCommentTree associated with this path.
* @return DocCommentTree for this DocTreePath
*/
public DocCommentTree getDocComment() {
return docComment;
}
/**
* Get the leaf node for this path.
* @return DocTree for this DocTreePath
*/
public DocTree getLeaf() {
return leaf;
}
/**
* Get the path for the enclosing node, or null if there is no enclosing node.
* @return DocTreePath of parent
*/
public DocTreePath getParentPath() {
return parent;
}
public Iterator<DocTree> iterator() {
return new Iterator<DocTree>() {
public boolean hasNext() {
return next != null;
}
public DocTree next() {
DocTree t = next.leaf;
next = next.parent;
return t;
}
public void remove() {
throw new UnsupportedOperationException();
}
private DocTreePath next = DocTreePath.this;
};
}
private final TreePath treePath;
private final DocCommentTree docComment;
private final DocTree leaf;
private final DocTreePath parent;
}

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/*
* Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
import com.sun.source.doctree.DocTree;
/**
* A DocTreeVisitor that visits all the child tree nodes, and provides
* support for maintaining a path for the parent nodes.
* To visit nodes of a particular type, just override the
* corresponding visitorXYZ method.
* Inside your method, call super.visitXYZ to visit descendant
* nodes.
*
* @since 1.8
*/
@jdk.Exported
public class DocTreePathScanner<R, P> extends DocTreeScanner<R, P> {
/**
* Scan a tree from a position identified by a TreePath.
*/
public R scan(DocTreePath path, P p) {
this.path = path;
try {
return path.getLeaf().accept(this, p);
} finally {
this.path = null;
}
}
/**
* Scan a single node.
* The current path is updated for the duration of the scan.
*/
@Override
public R scan(DocTree tree, P p) {
if (tree == null)
return null;
DocTreePath prev = path;
path = new DocTreePath(path, tree);
try {
return tree.accept(this, p);
} finally {
path = prev;
}
}
/**
* Get the current path for the node, as built up by the currently
* active set of scan calls.
*/
public DocTreePath getCurrentPath() {
return path;
}
private DocTreePath path;
}

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/*
* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
import com.sun.source.doctree.*;
/**
* A TreeVisitor that visits all the child tree nodes.
* To visit nodes of a particular type, just override the
* corresponding visitXYZ method.
* Inside your method, call super.visitXYZ to visit descendant
* nodes.
*
* <p>The default implementation of the visitXYZ methods will determine
* a result as follows:
* <ul>
* <li>If the node being visited has no children, the result will be null.
* <li>If the node being visited has one child, the result will be the
* result of calling {@code scan} on that child. The child may be a simple node
* or itself a list of nodes.
* <li> If the node being visited has more than one child, the result will
* be determined by calling {@code scan} each child in turn, and then combining the
* result of each scan after the first with the cumulative result
* so far, as determined by the {@link #reduce} method. Each child may be either
* a simple node of a list of nodes. The default behavior of the {@code reduce}
* method is such that the result of the visitXYZ method will be the result of
* the last child scanned.
* </ul>
*
* <p>Here is an example to count the number of erroneous nodes in a tree:
* <pre>
* class CountErrors extends DocTreeScanner&lt;Integer,Void&gt; {
* {@literal @}Override
* public Integer visitErroneous(ErroneousTree node, Void p) {
* return 1;
* }
* {@literal @}Override
* public Integer reduce(Integer r1, Integer r2) {
* return (r1 == null ? 0 : r1) + (r2 == null ? 0 : r2);
* }
* }
* </pre>
*
* @since 1.8
*/
@jdk.Exported
public class DocTreeScanner<R,P> implements DocTreeVisitor<R,P> {
/**
* Scan a single node.
*/
public R scan(DocTree node, P p) {
return (node == null) ? null : node.accept(this, p);
}
private R scanAndReduce(DocTree node, P p, R r) {
return reduce(scan(node, p), r);
}
/**
* Scan a list of nodes.
*/
public R scan(Iterable<? extends DocTree> nodes, P p) {
R r = null;
if (nodes != null) {
boolean first = true;
for (DocTree node : nodes) {
r = (first ? scan(node, p) : scanAndReduce(node, p, r));
first = false;
}
}
return r;
}
private R scanAndReduce(Iterable<? extends DocTree> nodes, P p, R r) {
return reduce(scan(nodes, p), r);
}
/**
* Reduces two results into a combined result.
* The default implementation is to return the first parameter.
* The general contract of the method is that it may take any action whatsoever.
*/
public R reduce(R r1, R r2) {
return r1;
}
/* ***************************************************************************
* Visitor methods
****************************************************************************/
@Override
public R visitAttribute(AttributeTree node, P p) {
return null;
}
@Override
public R visitAuthor(AuthorTree node, P p) {
return scan(node.getName(), p);
}
@Override
public R visitComment(CommentTree node, P p) {
return null;
}
@Override
public R visitDeprecated(DeprecatedTree node, P p) {
return scan(node.getBody(), p);
}
@Override
public R visitDocComment(DocCommentTree node, P p) {
R r = scan(node.getFirstSentence(), p);
r = scanAndReduce(node.getBody(), p, r);
r = scanAndReduce(node.getBlockTags(), p, r);
return r;
}
@Override
public R visitDocRoot(DocRootTree node, P p) {
return null;
}
@Override
public R visitEndElement(EndElementTree node, P p) {
return null;
}
@Override
public R visitEntity(EntityTree node, P p) {
return null;
}
@Override
public R visitErroneous(ErroneousTree node, P p) {
return null;
}
@Override
public R visitIdentifier(IdentifierTree node, P p) {
return null;
}
@Override
public R visitInheritDoc(InheritDocTree node, P p) {
return null;
}
@Override
public R visitLink(LinkTree node, P p) {
R r = scan(node.getReference(), p);
r = scanAndReduce(node.getLabel(), p, r);
return r;
}
@Override
public R visitLiteral(LiteralTree node, P p) {
return null;
}
@Override
public R visitParam(ParamTree node, P p) {
R r = scan(node.getName(), p);
r = scanAndReduce(node.getDescription(), p, r);
return r;
}
@Override
public R visitReference(ReferenceTree node, P p) {
return null;
}
@Override
public R visitReturn(ReturnTree node, P p) {
return scan(node.getDescription(), p);
}
@Override
public R visitSee(SeeTree node, P p) {
return scan(node.getReference(), p);
}
@Override
public R visitSerial(SerialTree node, P p) {
return scan(node.getDescription(), p);
}
@Override
public R visitSerialData(SerialDataTree node, P p) {
return scan(node.getDescription(), p);
}
@Override
public R visitSerialField(SerialFieldTree node, P p) {
R r = scan(node.getName(), p);
r = scanAndReduce(node.getType(), p, r);
r = scanAndReduce(node.getDescription(), p, r);
return r;
}
@Override
public R visitSince(SinceTree node, P p) {
return scan(node.getBody(), p);
}
@Override
public R visitStartElement(StartElementTree node, P p) {
return scan(node.getAttributes(), p);
}
@Override
public R visitText(TextTree node, P p) {
return null;
}
@Override
public R visitThrows(ThrowsTree node, P p) {
R r = scan(node.getExceptionName(), p);
r = scanAndReduce(node.getDescription(), p, r);
return r;
}
@Override
public R visitUnknownBlockTag(UnknownBlockTagTree node, P p) {
return scan(node.getContent(), p);
}
@Override
public R visitUnknownInlineTag(UnknownInlineTagTree node, P p) {
return scan(node.getContent(), p);
}
@Override
public R visitValue(ValueTree node, P p) {
return scan(node.getReference(), p);
}
@Override
public R visitVersion(VersionTree node, P p) {
return scan(node.getBody(), p);
}
@Override
public R visitOther(DocTree node, P p) {
return null;
}
}

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/*
* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.Element;
import javax.tools.JavaCompiler.CompilationTask;
import com.sun.source.doctree.DocCommentTree;
import javax.tools.Diagnostic;
/**
* Provides access to syntax trees for doc comments.
*
* @since 1.8
*/
@jdk.Exported
public abstract class DocTrees extends Trees {
/**
* Gets a DocTrees object for a given CompilationTask.
* @param task the compilation task for which to get the Trees object
* @throws IllegalArgumentException if the task does not support the Trees API.
*/
public static DocTrees instance(CompilationTask task) {
return (DocTrees) Trees.instance(task);
}
/**
* Gets a DocTrees object for a given ProcessingEnvironment.
* @param env the processing environment for which to get the Trees object
* @throws IllegalArgumentException if the env does not support the Trees API.
*/
public static DocTrees instance(ProcessingEnvironment env) {
if (!env.getClass().getName().equals("com.sun.tools.javac.processing.JavacProcessingEnvironment"))
throw new IllegalArgumentException();
return (DocTrees) getJavacTrees(ProcessingEnvironment.class, env);
}
/**
* Gets the doc comment tree, if any, for the Tree node identified by a given TreePath.
* Returns null if no doc comment was found.
*/
public abstract DocCommentTree getDocCommentTree(TreePath path);
/**
* Gets the language model element referred to by the leaf node of the given
* {@link DocTreePath}, or null if unknown.
*/
public abstract Element getElement(DocTreePath path);
public abstract DocSourcePositions getSourcePositions();
/**
* Prints a message of the specified kind at the location of the
* tree within the provided compilation unit
*
* @param kind the kind of message
* @param msg the message, or an empty string if none
* @param t the tree to use as a position hint
* @param root the compilation unit that contains tree
*/
public abstract void printMessage(Diagnostic.Kind kind, CharSequence msg,
com.sun.source.doctree.DocTree t,
com.sun.source.doctree.DocCommentTree c,
com.sun.source.tree.CompilationUnitTree root);
}

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/*
* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
import java.io.IOException;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.Element;
import javax.lang.model.type.TypeMirror;
import javax.lang.model.util.Elements;
import javax.lang.model.util.Types;
import javax.tools.JavaCompiler.CompilationTask;
import javax.tools.JavaFileObject;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.tree.Tree;
import com.sun.tools.javac.api.BasicJavacTask;
import com.sun.tools.javac.processing.JavacProcessingEnvironment;
import com.sun.tools.javac.util.Context;
/**
* Provides access to functionality specific to the JDK Java Compiler, javac.
*
* @author Peter von der Ah&eacute;
* @author Jonathan Gibbons
* @since 1.6
*/
@jdk.Exported
public abstract class JavacTask implements CompilationTask {
/**
* Get the {@code JavacTask} for a {@code ProcessingEnvironment}.
* If the compiler is being invoked using a
* {@link javax.tools.JavaCompiler.CompilationTask CompilationTask},
* then that task will be returned.
* @param processingEnvironment the processing environment
* @return the {@code JavacTask} for a {@code ProcessingEnvironment}
* @since 1.8
*/
public static JavacTask instance(ProcessingEnvironment processingEnvironment) {
if (!processingEnvironment.getClass().getName().equals(
"com.sun.tools.javac.processing.JavacProcessingEnvironment"))
throw new IllegalArgumentException();
Context c = ((JavacProcessingEnvironment) processingEnvironment).getContext();
JavacTask t = c.get(JavacTask.class);
return (t != null) ? t : new BasicJavacTask(c, true);
}
/**
* Parse the specified files returning a list of abstract syntax trees.
*
* @return a list of abstract syntax trees
* @throws IOException if an unhandled I/O error occurred in the compiler.
* @throws IllegalStateException if the operation cannot be performed at this time.
*/
public abstract Iterable<? extends CompilationUnitTree> parse()
throws IOException;
/**
* Complete all analysis.
*
* @return a list of elements that were analyzed
* @throws IOException if an unhandled I/O error occurred in the compiler.
* @throws IllegalStateException if the operation cannot be performed at this time.
*/
public abstract Iterable<? extends Element> analyze() throws IOException;
/**
* Generate code.
*
* @return a list of files that were generated
* @throws IOException if an unhandled I/O error occurred in the compiler.
* @throws IllegalStateException if the operation cannot be performed at this time.
*/
public abstract Iterable<? extends JavaFileObject> generate() throws IOException;
/**
* The specified listener will receive notification of events
* describing the progress of this compilation task.
*
* If another listener is receiving notifications as a result of a prior
* call of this method, then that listener will no longer receive notifications.
*
* Informally, this method is equivalent to calling {@code removeTaskListener} for
* any listener that has been previously set, followed by {@code addTaskListener}
* for the new listener.
*
* @throws IllegalStateException if the specified listener has already been added.
*/
public abstract void setTaskListener(TaskListener taskListener);
/**
* The specified listener will receive notification of events
* describing the progress of this compilation task.
*
* This method may be called at any time before or during the compilation.
*
* @throws IllegalStateException if the specified listener has already been added.
* @since 1.8
*/
public abstract void addTaskListener(TaskListener taskListener);
/**
* The specified listener will no longer receive notification of events
* describing the progress of this compilation task.
*
* This method may be called at any time before or during the compilation.
*
* @since 1.8
*/
public abstract void removeTaskListener(TaskListener taskListener);
/**
* Get a type mirror of the tree node determined by the specified path.
* This method has been superceded by methods on
* {@link com.sun.source.util.Trees Trees}.
* @see com.sun.source.util.Trees#getTypeMirror
*/
public abstract TypeMirror getTypeMirror(Iterable<? extends Tree> path);
/**
* Get a utility object for dealing with program elements.
*/
public abstract Elements getElements();
/**
* Get a utility object for dealing with type mirrors.
*/
public abstract Types getTypes();
}

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/*
* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
import java.util.ServiceLoader;
import javax.tools.StandardLocation;
/**
* The interface for a javac plug-in.
*
* <p>The javac plug-in mechanism allows a user to specify one or more plug-ins
* on the javac command line, to be started soon after the compilation
* has begun. Plug-ins are identified by a user-friendly name. Each plug-in that
* is started will be passed an array of strings, which may be used to
* provide the plug-in with values for any desired options or other arguments.
*
* <p>Plug-ins are located via a {@link ServiceLoader},
* using the same class path as annotation processors (i.e.
* {@link StandardLocation#ANNOTATION_PROCESSOR_PATH ANNOTATION_PROCESSOR_PATH} or
* {@code -processorpath}).
*
* <p>It is expected that a typical plug-in will simply register a
* {@link TaskListener} to be informed of events during the execution
* of the compilation, and that the rest of the work will be done
* by the task listener.
*
* @since 1.8
*/
@jdk.Exported
public interface Plugin {
/**
* Get the user-friendly name of this plug-in.
* @return the user-friendly name of the plug-in
*/
String getName();
/**
* Initialize the plug-in for a given compilation task.
* @param task The compilation task that has just been started
* @param args Arguments, if any, for the plug-in
*/
void init(JavacTask task, String... args);
}

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@@ -0,0 +1,180 @@
/*
* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
import com.sun.source.doctree.*;
/**
* A simple visitor for tree nodes.
*
* @since 1.8
*/
@jdk.Exported
public class SimpleDocTreeVisitor<R,P> implements DocTreeVisitor<R, P> {
protected final R DEFAULT_VALUE;
protected SimpleDocTreeVisitor() {
DEFAULT_VALUE = null;
}
protected SimpleDocTreeVisitor(R defaultValue) {
DEFAULT_VALUE = defaultValue;
}
protected R defaultAction(DocTree node, P p) {
return DEFAULT_VALUE;
}
public final R visit(DocTree node, P p) {
return (node == null) ? null : node.accept(this, p);
}
public final R visit(Iterable<? extends DocTree> nodes, P p) {
R r = null;
if (nodes != null) {
for (DocTree node : nodes)
r = visit(node, p);
}
return r;
}
public R visitAttribute(AttributeTree node, P p) {
return defaultAction(node, p);
}
public R visitAuthor(AuthorTree node, P p) {
return defaultAction(node, p);
}
public R visitComment(CommentTree node, P p) {
return defaultAction(node, p);
}
public R visitDeprecated(DeprecatedTree node, P p) {
return defaultAction(node, p);
}
public R visitDocComment(DocCommentTree node, P p) {
return defaultAction(node, p);
}
public R visitDocRoot(DocRootTree node, P p) {
return defaultAction(node, p);
}
public R visitEndElement(EndElementTree node, P p) {
return defaultAction(node, p);
}
public R visitEntity(EntityTree node, P p) {
return defaultAction(node, p);
}
public R visitErroneous(ErroneousTree node, P p) {
return defaultAction(node, p);
}
public R visitIdentifier(IdentifierTree node, P p) {
return defaultAction(node, p);
}
public R visitInheritDoc(InheritDocTree node, P p) {
return defaultAction(node, p);
}
public R visitLink(LinkTree node, P p) {
return defaultAction(node, p);
}
public R visitLiteral(LiteralTree node, P p) {
return defaultAction(node, p);
}
public R visitParam(ParamTree node, P p) {
return defaultAction(node, p);
}
public R visitReference(ReferenceTree node, P p) {
return defaultAction(node, p);
}
public R visitReturn(ReturnTree node, P p) {
return defaultAction(node, p);
}
public R visitSee(SeeTree node, P p) {
return defaultAction(node, p);
}
public R visitSerial(SerialTree node, P p) {
return defaultAction(node, p);
}
public R visitSerialData(SerialDataTree node, P p) {
return defaultAction(node, p);
}
public R visitSerialField(SerialFieldTree node, P p) {
return defaultAction(node, p);
}
public R visitSince(SinceTree node, P p) {
return defaultAction(node, p);
}
public R visitStartElement(StartElementTree node, P p) {
return defaultAction(node, p);
}
public R visitText(TextTree node, P p) {
return defaultAction(node, p);
}
public R visitThrows(ThrowsTree node, P p) {
return defaultAction(node, p);
}
public R visitUnknownBlockTag(UnknownBlockTagTree node, P p) {
return defaultAction(node, p);
}
public R visitUnknownInlineTag(UnknownInlineTagTree node, P p) {
return defaultAction(node, p);
}
public R visitValue(ValueTree node, P p) {
return defaultAction(node, p);
}
public R visitVersion(VersionTree node, P p) {
return defaultAction(node, p);
}
public R visitOther(DocTree node, P p) {
return defaultAction(node, p);
}
}

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@@ -0,0 +1,275 @@
/*
* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
import com.sun.source.tree.*;
/**
* A simple visitor for tree nodes.
*
* @author Peter von der Ah&eacute;
* @since 1.6
*/
@jdk.Exported
public class SimpleTreeVisitor <R,P> implements TreeVisitor<R,P> {
protected final R DEFAULT_VALUE;
protected SimpleTreeVisitor() {
DEFAULT_VALUE = null;
}
protected SimpleTreeVisitor(R defaultValue) {
DEFAULT_VALUE = defaultValue;
}
protected R defaultAction(Tree node, P p) {
return DEFAULT_VALUE;
}
public final R visit(Tree node, P p) {
return (node == null) ? null : node.accept(this, p);
}
public final R visit(Iterable<? extends Tree> nodes, P p) {
R r = null;
if (nodes != null)
for (Tree node : nodes)
r = visit(node, p);
return r;
}
public R visitCompilationUnit(CompilationUnitTree node, P p) {
return defaultAction(node, p);
}
public R visitImport(ImportTree node, P p) {
return defaultAction(node, p);
}
public R visitClass(ClassTree node, P p) {
return defaultAction(node, p);
}
public R visitMethod(MethodTree node, P p) {
return defaultAction(node, p);
}
public R visitVariable(VariableTree node, P p) {
return defaultAction(node, p);
}
public R visitEmptyStatement(EmptyStatementTree node, P p) {
return defaultAction(node, p);
}
public R visitBlock(BlockTree node, P p) {
return defaultAction(node, p);
}
public R visitDoWhileLoop(DoWhileLoopTree node, P p) {
return defaultAction(node, p);
}
public R visitWhileLoop(WhileLoopTree node, P p) {
return defaultAction(node, p);
}
public R visitForLoop(ForLoopTree node, P p) {
return defaultAction(node, p);
}
public R visitEnhancedForLoop(EnhancedForLoopTree node, P p) {
return defaultAction(node, p);
}
public R visitLabeledStatement(LabeledStatementTree node, P p) {
return defaultAction(node, p);
}
public R visitSwitch(SwitchTree node, P p) {
return defaultAction(node, p);
}
public R visitCase(CaseTree node, P p) {
return defaultAction(node, p);
}
public R visitSynchronized(SynchronizedTree node, P p) {
return defaultAction(node, p);
}
public R visitTry(TryTree node, P p) {
return defaultAction(node, p);
}
public R visitCatch(CatchTree node, P p) {
return defaultAction(node, p);
}
public R visitConditionalExpression(ConditionalExpressionTree node, P p) {
return defaultAction(node, p);
}
public R visitIf(IfTree node, P p) {
return defaultAction(node, p);
}
public R visitExpressionStatement(ExpressionStatementTree node, P p) {
return defaultAction(node, p);
}
public R visitBreak(BreakTree node, P p) {
return defaultAction(node, p);
}
public R visitContinue(ContinueTree node, P p) {
return defaultAction(node, p);
}
public R visitReturn(ReturnTree node, P p) {
return defaultAction(node, p);
}
public R visitThrow(ThrowTree node, P p) {
return defaultAction(node, p);
}
public R visitAssert(AssertTree node, P p) {
return defaultAction(node, p);
}
public R visitMethodInvocation(MethodInvocationTree node, P p) {
return defaultAction(node, p);
}
public R visitNewClass(NewClassTree node, P p) {
return defaultAction(node, p);
}
public R visitNewArray(NewArrayTree node, P p) {
return defaultAction(node, p);
}
public R visitLambdaExpression(LambdaExpressionTree node, P p) {
return defaultAction(node, p);
}
public R visitParenthesized(ParenthesizedTree node, P p) {
return defaultAction(node, p);
}
public R visitAssignment(AssignmentTree node, P p) {
return defaultAction(node, p);
}
public R visitCompoundAssignment(CompoundAssignmentTree node, P p) {
return defaultAction(node, p);
}
public R visitUnary(UnaryTree node, P p) {
return defaultAction(node, p);
}
public R visitBinary(BinaryTree node, P p) {
return defaultAction(node, p);
}
public R visitTypeCast(TypeCastTree node, P p) {
return defaultAction(node, p);
}
public R visitInstanceOf(InstanceOfTree node, P p) {
return defaultAction(node, p);
}
public R visitArrayAccess(ArrayAccessTree node, P p) {
return defaultAction(node, p);
}
public R visitMemberSelect(MemberSelectTree node, P p) {
return defaultAction(node, p);
}
public R visitMemberReference(MemberReferenceTree node, P p) {
return defaultAction(node, p);
}
public R visitIdentifier(IdentifierTree node, P p) {
return defaultAction(node, p);
}
public R visitLiteral(LiteralTree node, P p) {
return defaultAction(node, p);
}
public R visitPrimitiveType(PrimitiveTypeTree node, P p) {
return defaultAction(node, p);
}
public R visitArrayType(ArrayTypeTree node, P p) {
return defaultAction(node, p);
}
public R visitParameterizedType(ParameterizedTypeTree node, P p) {
return defaultAction(node, p);
}
public R visitUnionType(UnionTypeTree node, P p) {
return defaultAction(node, p);
}
public R visitIntersectionType(IntersectionTypeTree node, P p) {
return defaultAction(node, p);
}
public R visitTypeParameter(TypeParameterTree node, P p) {
return defaultAction(node, p);
}
public R visitWildcard(WildcardTree node, P p) {
return defaultAction(node, p);
}
public R visitModifiers(ModifiersTree node, P p) {
return defaultAction(node, p);
}
public R visitAnnotation(AnnotationTree node, P p) {
return defaultAction(node, p);
}
public R visitAnnotatedType(AnnotatedTypeTree node, P p) {
return defaultAction(node, p);
}
public R visitErroneous(ErroneousTree node, P p) {
return defaultAction(node, p);
}
public R visitOther(Tree node, P p) {
return defaultAction(node, p);
}
}

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@@ -0,0 +1,87 @@
/*
* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
import com.sun.source.tree.*;
/**
* Provides methods to obtain the position of a Tree within a CompilationUnit.
* A position is defined as a simple character offset from the start of a
* CompilationUnit where the first character is at offset 0.
*
* @author Peter von der Ah&eacute;
* @since 1.6
*/
@jdk.Exported
public interface SourcePositions {
/**
* Gets the starting position of tree within file. If tree is not found within
* file, or if the starting position is not available,
* return {@link javax.tools.Diagnostic#NOPOS}.
* The returned position must be at the start of the yield of this tree, that
* is for any sub-tree of this tree, the following must hold:
*
* <p>
* {@code tree.getStartPosition() <= subtree.getStartPosition()} or <br>
* {@code tree.getStartPosition() == NOPOS} or <br>
* {@code subtree.getStartPosition() == NOPOS}
* </p>
*
* @param file CompilationUnit in which to find tree.
* @param tree tree for which a position is sought.
* @return the start position of tree.
*/
long getStartPosition(CompilationUnitTree file, Tree tree);
/**
* Gets the ending position of tree within file. If tree is not found within
* file, or if the ending position is not available,
* return {@link javax.tools.Diagnostic#NOPOS}.
* The returned position must be at the end of the yield of this tree,
* that is for any sub-tree of this tree, the following must hold:
*
* <p>
* {@code tree.getEndPosition() >= subtree.getEndPosition()} or <br>
* {@code tree.getEndPosition() == NOPOS} or <br>
* {@code subtree.getEndPosition() == NOPOS}
* </p>
*
* In addition, the following must hold:
*
* <p>
* {@code tree.getStartPosition() <= tree.getEndPosition()} or <br>
* {@code tree.getStartPosition() == NOPOS} or <br>
* {@code tree.getEndPosition() == NOPOS}
* </p>
*
* @param file CompilationUnit in which to find tree.
* @param tree tree for which a position is sought.
* @return the end position of tree.
*/
long getEndPosition(CompilationUnitTree file, Tree tree);
}

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@@ -0,0 +1,125 @@
/*
* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
import javax.lang.model.element.TypeElement;
import javax.tools.JavaFileObject;
import com.sun.source.tree.CompilationUnitTree;
/**
* Provides details about work that has been done by the JDK Java Compiler, javac.
*
* @author Jonathan Gibbons
* @since 1.6
*/
@jdk.Exported
public final class TaskEvent
{
/**
* Kind of task event.
* @since 1.6
*/
@jdk.Exported
public enum Kind {
/**
* For events related to the parsing of a file.
*/
PARSE,
/**
* For events relating to elements being entered.
**/
ENTER,
/**
* For events relating to elements being analyzed for errors.
**/
ANALYZE,
/**
* For events relating to class files being generated.
**/
GENERATE,
/**
* For events relating to overall annotation processing.
**/
ANNOTATION_PROCESSING,
/**
* For events relating to an individual annotation processing round.
**/
ANNOTATION_PROCESSING_ROUND
};
public TaskEvent(Kind kind) {
this(kind, null, null, null);
}
public TaskEvent(Kind kind, JavaFileObject sourceFile) {
this(kind, sourceFile, null, null);
}
public TaskEvent(Kind kind, CompilationUnitTree unit) {
this(kind, unit.getSourceFile(), unit, null);
}
public TaskEvent(Kind kind, CompilationUnitTree unit, TypeElement clazz) {
this(kind, unit.getSourceFile(), unit, clazz);
}
private TaskEvent(Kind kind, JavaFileObject file, CompilationUnitTree unit, TypeElement clazz) {
this.kind = kind;
this.file = file;
this.unit = unit;
this.clazz = clazz;
}
public Kind getKind() {
return kind;
}
public JavaFileObject getSourceFile() {
return file;
}
public CompilationUnitTree getCompilationUnit() {
return unit;
}
public TypeElement getTypeElement() {
return clazz;
}
public String toString() {
return "TaskEvent["
+ kind + ","
+ file + ","
// the compilation unit is identified by the file
+ clazz + "]";
}
private Kind kind;
private JavaFileObject file;
private CompilationUnitTree unit;
private TypeElement clazz;
}

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@@ -0,0 +1,41 @@
/*
* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
/**
* Provides a listener to monitor the activity of the JDK Java Compiler, javac.
*
* @author Jonathan Gibbons
* @since 1.6
*/
@jdk.Exported
public interface TaskListener
{
public void started(TaskEvent e);
public void finished(TaskEvent e);
}

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@@ -0,0 +1,158 @@
/*
* Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
import java.util.Iterator;
import com.sun.source.tree.*;
/**
* A path of tree nodes, typically used to represent the sequence of ancestor
* nodes of a tree node up to the top level CompilationUnitTree node.
*
* @author Jonathan Gibbons
* @since 1.6
*/
@jdk.Exported
public class TreePath implements Iterable<Tree> {
/**
* Gets a tree path for a tree node within a compilation unit.
* @return null if the node is not found
*/
public static TreePath getPath(CompilationUnitTree unit, Tree target) {
return getPath(new TreePath(unit), target);
}
/**
* Gets a tree path for a tree node within a subtree identified by a TreePath object.
* @return null if the node is not found
*/
public static TreePath getPath(TreePath path, Tree target) {
path.getClass();
target.getClass();
class Result extends Error {
static final long serialVersionUID = -5942088234594905625L;
TreePath path;
Result(TreePath path) {
this.path = path;
}
}
class PathFinder extends TreePathScanner<TreePath,Tree> {
public TreePath scan(Tree tree, Tree target) {
if (tree == target) {
throw new Result(new TreePath(getCurrentPath(), target));
}
return super.scan(tree, target);
}
}
if (path.getLeaf() == target) {
return path;
}
try {
new PathFinder().scan(path, target);
} catch (Result result) {
return result.path;
}
return null;
}
/**
* Creates a TreePath for a root node.
*/
public TreePath(CompilationUnitTree t) {
this(null, t);
}
/**
* Creates a TreePath for a child node.
*/
public TreePath(TreePath p, Tree t) {
if (t.getKind() == Tree.Kind.COMPILATION_UNIT) {
compilationUnit = (CompilationUnitTree) t;
parent = null;
}
else {
compilationUnit = p.compilationUnit;
parent = p;
}
leaf = t;
}
/**
* Get the compilation unit associated with this path.
*/
public CompilationUnitTree getCompilationUnit() {
return compilationUnit;
}
/**
* Get the leaf node for this path.
*/
public Tree getLeaf() {
return leaf;
}
/**
* Get the path for the enclosing node, or null if there is no enclosing node.
*/
public TreePath getParentPath() {
return parent;
}
/**
* Iterates from leaves to root.
*/
@Override
public Iterator<Tree> iterator() {
return new Iterator<Tree>() {
@Override
public boolean hasNext() {
return next != null;
}
@Override
public Tree next() {
Tree t = next.leaf;
next = next.parent;
return t;
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
private TreePath next = TreePath.this;
};
}
private CompilationUnitTree compilationUnit;
private Tree leaf;
private TreePath parent;
}

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@@ -0,0 +1,83 @@
/*
* Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
import com.sun.source.tree.*;
/**
* A TreeVisitor that visits all the child tree nodes, and provides
* support for maintaining a path for the parent nodes.
* To visit nodes of a particular type, just override the
* corresponding visitorXYZ method.
* Inside your method, call super.visitXYZ to visit descendant
* nodes.
*
* @author Jonathan Gibbons
* @since 1.6
*/
@jdk.Exported
public class TreePathScanner<R, P> extends TreeScanner<R, P> {
/**
* Scan a tree from a position identified by a TreePath.
*/
public R scan(TreePath path, P p) {
this.path = path;
try {
return path.getLeaf().accept(this, p);
} finally {
this.path = null;
}
}
/**
* Scan a single node.
* The current path is updated for the duration of the scan.
*/
@Override
public R scan(Tree tree, P p) {
if (tree == null)
return null;
TreePath prev = path;
path = new TreePath(path, tree);
try {
return tree.accept(this, p);
} finally {
path = prev;
}
}
/**
* Get the current path for the node, as built up by the currently
* active set of scan calls.
*/
public TreePath getCurrentPath() {
return path;
}
private TreePath path;
}

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@@ -0,0 +1,418 @@
/*
* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
import com.sun.source.tree.*;
/**
* A TreeVisitor that visits all the child tree nodes.
* To visit nodes of a particular type, just override the
* corresponding visitXYZ method.
* Inside your method, call super.visitXYZ to visit descendant
* nodes.
*
* <p>The default implementation of the visitXYZ methods will determine
* a result as follows:
* <ul>
* <li>If the node being visited has no children, the result will be null.
* <li>If the node being visited has one child, the result will be the
* result of calling {@code scan} on that child. The child may be a simple node
* or itself a list of nodes.
* <li> If the node being visited has more than one child, the result will
* be determined by calling {@code scan} each child in turn, and then combining the
* result of each scan after the first with the cumulative result
* so far, as determined by the {@link #reduce} method. Each child may be either
* a simple node of a list of nodes. The default behavior of the {@code reduce}
* method is such that the result of the visitXYZ method will be the result of
* the last child scanned.
* </ul>
*
* <p>Here is an example to count the number of identifier nodes in a tree:
* <pre>
* class CountIdentifiers extends TreeScanner&lt;Integer,Void&gt; {
* {@literal @}Override
* public Integer visitIdentifier(IdentifierTree node, Void p) {
* return 1;
* }
* {@literal @}Override
* public Integer reduce(Integer r1, Integer r2) {
* return (r1 == null ? 0 : r1) + (r2 == null ? 0 : r2);
* }
* }
* </pre>
*
* @author Peter von der Ah&eacute;
* @author Jonathan Gibbons
* @since 1.6
*/
@jdk.Exported
public class TreeScanner<R,P> implements TreeVisitor<R,P> {
/** Scan a single node.
*/
public R scan(Tree node, P p) {
return (node == null) ? null : node.accept(this, p);
}
private R scanAndReduce(Tree node, P p, R r) {
return reduce(scan(node, p), r);
}
/** Scan a list of nodes.
*/
public R scan(Iterable<? extends Tree> nodes, P p) {
R r = null;
if (nodes != null) {
boolean first = true;
for (Tree node : nodes) {
r = (first ? scan(node, p) : scanAndReduce(node, p, r));
first = false;
}
}
return r;
}
private R scanAndReduce(Iterable<? extends Tree> nodes, P p, R r) {
return reduce(scan(nodes, p), r);
}
/**
* Reduces two results into a combined result.
* The default implementation is to return the first parameter.
* The general contract of the method is that it may take any action whatsoever.
*/
public R reduce(R r1, R r2) {
return r1;
}
/* ***************************************************************************
* Visitor methods
****************************************************************************/
public R visitCompilationUnit(CompilationUnitTree node, P p) {
R r = scan(node.getPackageAnnotations(), p);
r = scanAndReduce(node.getPackageName(), p, r);
r = scanAndReduce(node.getImports(), p, r);
r = scanAndReduce(node.getTypeDecls(), p, r);
return r;
}
public R visitImport(ImportTree node, P p) {
return scan(node.getQualifiedIdentifier(), p);
}
public R visitClass(ClassTree node, P p) {
R r = scan(node.getModifiers(), p);
r = scanAndReduce(node.getTypeParameters(), p, r);
r = scanAndReduce(node.getExtendsClause(), p, r);
r = scanAndReduce(node.getImplementsClause(), p, r);
r = scanAndReduce(node.getMembers(), p, r);
return r;
}
public R visitMethod(MethodTree node, P p) {
R r = scan(node.getModifiers(), p);
r = scanAndReduce(node.getReturnType(), p, r);
r = scanAndReduce(node.getTypeParameters(), p, r);
r = scanAndReduce(node.getParameters(), p, r);
r = scanAndReduce(node.getReceiverParameter(), p, r);
r = scanAndReduce(node.getThrows(), p, r);
r = scanAndReduce(node.getBody(), p, r);
r = scanAndReduce(node.getDefaultValue(), p, r);
return r;
}
public R visitVariable(VariableTree node, P p) {
R r = scan(node.getModifiers(), p);
r = scanAndReduce(node.getType(), p, r);
r = scanAndReduce(node.getNameExpression(), p, r);
r = scanAndReduce(node.getInitializer(), p, r);
return r;
}
public R visitEmptyStatement(EmptyStatementTree node, P p) {
return null;
}
public R visitBlock(BlockTree node, P p) {
return scan(node.getStatements(), p);
}
public R visitDoWhileLoop(DoWhileLoopTree node, P p) {
R r = scan(node.getStatement(), p);
r = scanAndReduce(node.getCondition(), p, r);
return r;
}
public R visitWhileLoop(WhileLoopTree node, P p) {
R r = scan(node.getCondition(), p);
r = scanAndReduce(node.getStatement(), p, r);
return r;
}
public R visitForLoop(ForLoopTree node, P p) {
R r = scan(node.getInitializer(), p);
r = scanAndReduce(node.getCondition(), p, r);
r = scanAndReduce(node.getUpdate(), p, r);
r = scanAndReduce(node.getStatement(), p, r);
return r;
}
public R visitEnhancedForLoop(EnhancedForLoopTree node, P p) {
R r = scan(node.getVariable(), p);
r = scanAndReduce(node.getExpression(), p, r);
r = scanAndReduce(node.getStatement(), p, r);
return r;
}
public R visitLabeledStatement(LabeledStatementTree node, P p) {
return scan(node.getStatement(), p);
}
public R visitSwitch(SwitchTree node, P p) {
R r = scan(node.getExpression(), p);
r = scanAndReduce(node.getCases(), p, r);
return r;
}
public R visitCase(CaseTree node, P p) {
R r = scan(node.getExpression(), p);
r = scanAndReduce(node.getStatements(), p, r);
return r;
}
public R visitSynchronized(SynchronizedTree node, P p) {
R r = scan(node.getExpression(), p);
r = scanAndReduce(node.getBlock(), p, r);
return r;
}
public R visitTry(TryTree node, P p) {
R r = scan(node.getResources(), p);
r = scanAndReduce(node.getBlock(), p, r);
r = scanAndReduce(node.getCatches(), p, r);
r = scanAndReduce(node.getFinallyBlock(), p, r);
return r;
}
public R visitCatch(CatchTree node, P p) {
R r = scan(node.getParameter(), p);
r = scanAndReduce(node.getBlock(), p, r);
return r;
}
public R visitConditionalExpression(ConditionalExpressionTree node, P p) {
R r = scan(node.getCondition(), p);
r = scanAndReduce(node.getTrueExpression(), p, r);
r = scanAndReduce(node.getFalseExpression(), p, r);
return r;
}
public R visitIf(IfTree node, P p) {
R r = scan(node.getCondition(), p);
r = scanAndReduce(node.getThenStatement(), p, r);
r = scanAndReduce(node.getElseStatement(), p, r);
return r;
}
public R visitExpressionStatement(ExpressionStatementTree node, P p) {
return scan(node.getExpression(), p);
}
public R visitBreak(BreakTree node, P p) {
return null;
}
public R visitContinue(ContinueTree node, P p) {
return null;
}
public R visitReturn(ReturnTree node, P p) {
return scan(node.getExpression(), p);
}
public R visitThrow(ThrowTree node, P p) {
return scan(node.getExpression(), p);
}
public R visitAssert(AssertTree node, P p) {
R r = scan(node.getCondition(), p);
r = scanAndReduce(node.getDetail(), p, r);
return r;
}
public R visitMethodInvocation(MethodInvocationTree node, P p) {
R r = scan(node.getTypeArguments(), p);
r = scanAndReduce(node.getMethodSelect(), p, r);
r = scanAndReduce(node.getArguments(), p, r);
return r;
}
public R visitNewClass(NewClassTree node, P p) {
R r = scan(node.getEnclosingExpression(), p);
r = scanAndReduce(node.getIdentifier(), p, r);
r = scanAndReduce(node.getTypeArguments(), p, r);
r = scanAndReduce(node.getArguments(), p, r);
r = scanAndReduce(node.getClassBody(), p, r);
return r;
}
public R visitNewArray(NewArrayTree node, P p) {
R r = scan(node.getType(), p);
r = scanAndReduce(node.getDimensions(), p, r);
r = scanAndReduce(node.getInitializers(), p, r);
r = scanAndReduce(node.getAnnotations(), p, r);
for (Iterable< ? extends Tree> dimAnno : node.getDimAnnotations()) {
r = scanAndReduce(dimAnno, p, r);
}
return r;
}
public R visitLambdaExpression(LambdaExpressionTree node, P p) {
R r = scan(node.getParameters(), p);
r = scanAndReduce(node.getBody(), p, r);
return r;
}
public R visitParenthesized(ParenthesizedTree node, P p) {
return scan(node.getExpression(), p);
}
public R visitAssignment(AssignmentTree node, P p) {
R r = scan(node.getVariable(), p);
r = scanAndReduce(node.getExpression(), p, r);
return r;
}
public R visitCompoundAssignment(CompoundAssignmentTree node, P p) {
R r = scan(node.getVariable(), p);
r = scanAndReduce(node.getExpression(), p, r);
return r;
}
public R visitUnary(UnaryTree node, P p) {
return scan(node.getExpression(), p);
}
public R visitBinary(BinaryTree node, P p) {
R r = scan(node.getLeftOperand(), p);
r = scanAndReduce(node.getRightOperand(), p, r);
return r;
}
public R visitTypeCast(TypeCastTree node, P p) {
R r = scan(node.getType(), p);
r = scanAndReduce(node.getExpression(), p, r);
return r;
}
public R visitInstanceOf(InstanceOfTree node, P p) {
R r = scan(node.getExpression(), p);
r = scanAndReduce(node.getType(), p, r);
return r;
}
public R visitArrayAccess(ArrayAccessTree node, P p) {
R r = scan(node.getExpression(), p);
r = scanAndReduce(node.getIndex(), p, r);
return r;
}
public R visitMemberSelect(MemberSelectTree node, P p) {
return scan(node.getExpression(), p);
}
public R visitMemberReference(MemberReferenceTree node, P p) {
R r = scan(node.getQualifierExpression(), p);
r = scanAndReduce(node.getTypeArguments(), p, r);
return r;
}
public R visitIdentifier(IdentifierTree node, P p) {
return null;
}
public R visitLiteral(LiteralTree node, P p) {
return null;
}
public R visitPrimitiveType(PrimitiveTypeTree node, P p) {
return null;
}
public R visitArrayType(ArrayTypeTree node, P p) {
return scan(node.getType(), p);
}
public R visitParameterizedType(ParameterizedTypeTree node, P p) {
R r = scan(node.getType(), p);
r = scanAndReduce(node.getTypeArguments(), p, r);
return r;
}
public R visitUnionType(UnionTypeTree node, P p) {
return scan(node.getTypeAlternatives(), p);
}
public R visitIntersectionType(IntersectionTypeTree node, P p) {
return scan(node.getBounds(), p);
}
public R visitTypeParameter(TypeParameterTree node, P p) {
R r = scan(node.getAnnotations(), p);
r = scanAndReduce(node.getBounds(), p, r);
return r;
}
public R visitWildcard(WildcardTree node, P p) {
return scan(node.getBound(), p);
}
public R visitModifiers(ModifiersTree node, P p) {
return scan(node.getAnnotations(), p);
}
public R visitAnnotation(AnnotationTree node, P p) {
R r = scan(node.getAnnotationType(), p);
r = scanAndReduce(node.getArguments(), p, r);
return r;
}
public R visitAnnotatedType(AnnotatedTypeTree node, P p) {
R r = scan(node.getAnnotations(), p);
r = scanAndReduce(node.getUnderlyingType(), p, r);
return r;
}
public R visitOther(Tree node, P p) {
return null;
}
public R visitErroneous(ErroneousTree node, P p) {
return null;
}
}

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/*
* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.util;
import java.lang.reflect.Method;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.AnnotationValue;
import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.type.DeclaredType;
import javax.lang.model.type.ErrorType;
import javax.lang.model.type.TypeMirror;
import javax.tools.Diagnostic;
import javax.tools.JavaCompiler.CompilationTask;
import com.sun.source.tree.CatchTree;
import com.sun.source.tree.ClassTree;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.tree.MethodTree;
import com.sun.source.tree.Scope;
import com.sun.source.tree.Tree;
/**
* Bridges JSR 199, JSR 269, and the Tree API.
*
* @author Peter von der Ah&eacute;
*/
@jdk.Exported
public abstract class Trees {
/**
* Gets a Trees object for a given CompilationTask.
* @param task the compilation task for which to get the Trees object
* @throws IllegalArgumentException if the task does not support the Trees API.
*/
public static Trees instance(CompilationTask task) {
String taskClassName = task.getClass().getName();
if (!taskClassName.equals("com.sun.tools.javac.api.JavacTaskImpl")
&& !taskClassName.equals("com.sun.tools.javac.api.BasicJavacTask"))
throw new IllegalArgumentException();
return getJavacTrees(CompilationTask.class, task);
}
/**
* Gets a Trees object for a given ProcessingEnvironment.
* @param env the processing environment for which to get the Trees object
* @throws IllegalArgumentException if the env does not support the Trees API.
*/
public static Trees instance(ProcessingEnvironment env) {
if (!env.getClass().getName().equals("com.sun.tools.javac.processing.JavacProcessingEnvironment"))
throw new IllegalArgumentException();
return getJavacTrees(ProcessingEnvironment.class, env);
}
static Trees getJavacTrees(Class<?> argType, Object arg) {
try {
ClassLoader cl = arg.getClass().getClassLoader();
Class<?> c = Class.forName("com.sun.tools.javac.api.JavacTrees", false, cl);
argType = Class.forName(argType.getName(), false, cl);
Method m = c.getMethod("instance", new Class<?>[] { argType });
return (Trees) m.invoke(null, new Object[] { arg });
} catch (Throwable e) {
throw new AssertionError(e);
}
}
/**
* Gets a utility object for obtaining source positions.
*/
public abstract SourcePositions getSourcePositions();
/**
* Gets the Tree node for a given Element.
* Returns null if the node can not be found.
*/
public abstract Tree getTree(Element element);
/**
* Gets the ClassTree node for a given TypeElement.
* Returns null if the node can not be found.
*/
public abstract ClassTree getTree(TypeElement element);
/**
* Gets the MethodTree node for a given ExecutableElement.
* Returns null if the node can not be found.
*/
public abstract MethodTree getTree(ExecutableElement method);
/**
* Gets the Tree node for an AnnotationMirror on a given Element.
* Returns null if the node can not be found.
*/
public abstract Tree getTree(Element e, AnnotationMirror a);
/**
* Gets the Tree node for an AnnotationValue for an AnnotationMirror on a given Element.
* Returns null if the node can not be found.
*/
public abstract Tree getTree(Element e, AnnotationMirror a, AnnotationValue v);
/**
* Gets the path to tree node within the specified compilation unit.
*/
public abstract TreePath getPath(CompilationUnitTree unit, Tree node);
/**
* Gets the TreePath node for a given Element.
* Returns null if the node can not be found.
*/
public abstract TreePath getPath(Element e);
/**
* Gets the TreePath node for an AnnotationMirror on a given Element.
* Returns null if the node can not be found.
*/
public abstract TreePath getPath(Element e, AnnotationMirror a);
/**
* Gets the TreePath node for an AnnotationValue for an AnnotationMirror on a given Element.
* Returns null if the node can not be found.
*/
public abstract TreePath getPath(Element e, AnnotationMirror a, AnnotationValue v);
/**
* Gets the Element for the Tree node identified by a given TreePath.
* Returns null if the element is not available.
* @throws IllegalArgumentException is the TreePath does not identify
* a Tree node that might have an associated Element.
*/
public abstract Element getElement(TreePath path);
/**
* Gets the TypeMirror for the Tree node identified by a given TreePath.
* Returns null if the TypeMirror is not available.
* @throws IllegalArgumentException is the TreePath does not identify
* a Tree node that might have an associated TypeMirror.
*/
public abstract TypeMirror getTypeMirror(TreePath path);
/**
* Gets the Scope for the Tree node identified by a given TreePath.
* Returns null if the Scope is not available.
*/
public abstract Scope getScope(TreePath path);
/**
* Gets the doc comment, if any, for the Tree node identified by a given TreePath.
* Returns null if no doc comment was found.
* @see DocTrees#getDocCommentTree(TreePath)
*/
public abstract String getDocComment(TreePath path);
/**
* Checks whether a given type is accessible in a given scope.
* @param scope the scope to be checked
* @param type the type to be checked
* @return true if {@code type} is accessible
*/
public abstract boolean isAccessible(Scope scope, TypeElement type);
/**
* Checks whether the given element is accessible as a member of the given
* type in a given scope.
* @param scope the scope to be checked
* @param member the member to be checked
* @param type the type for which to check if the member is accessible
* @return true if {@code member} is accessible in {@code type}
*/
public abstract boolean isAccessible(Scope scope, Element member, DeclaredType type);
/**
* Gets the original type from the ErrorType object.
* @param errorType The errorType for which we want to get the original type.
* @return javax.lang.model.type.TypeMirror corresponding to the original type, replaced by the ErrorType.
*/
public abstract TypeMirror getOriginalType(ErrorType errorType);
/**
* Prints a message of the specified kind at the location of the
* tree within the provided compilation unit
*
* @param kind the kind of message
* @param msg the message, or an empty string if none
* @param t the tree to use as a position hint
* @param root the compilation unit that contains tree
*/
public abstract void printMessage(Diagnostic.Kind kind, CharSequence msg,
com.sun.source.tree.Tree t,
com.sun.source.tree.CompilationUnitTree root);
/**
* Gets the lub of an exception parameter declared in a catch clause.
* @param tree the tree for the catch clause
* @return The lub of the exception parameter
*/
public abstract TypeMirror getLub(CatchTree tree);
}

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/*
* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* Provides utilities for operations on abstract syntax trees (AST).
*
* @author Peter von der Ah&eacute;
* @author Jonathan Gibbons
* @since 1.6
*/
@jdk.Exported
package com.sun.source.util;