1 /*

     2  * Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package com.sun.source.tree;

    27 

    28 import java.util.List;

    29 import javax.tools.JavaFileObject;

    30 

    31 /**

    32  * Represents the abstract syntax tree for compilation units (source

    33  * files) and package declarations (package-info.java).

    34  *

    35  * @jls sections 7.3, and 7.4

    36  *

    37  * @author Peter von der Ahé

    38  * @since 1.6

    39  */

    40 @jdk.Exported

    41 public interface CompilationUnitTree extends Tree {

    42     /**

    43      * Returns the annotations listed on any package declaration

    44      * at the head of this compilation unit, or {@code null} if there

    45      * is no package declaration.

    46      * @return the package annotations

    47      */

    48     List<? extends AnnotationTree> getPackageAnnotations();

    49 

    50     /**

    51      * Returns the name contained in any package declaration

    52      * at the head of this compilation unit, or {@code null} if there

    53      * is no package declaration.

    54      * @return the package name

    55      */

    56     ExpressionTree getPackageName();

    57 

    58     /**

    59      * Returns the package tree associated with this compilation unit,

    60      * or {@code null} if there is no package declaration.

    61      * @return the package tree

    62      * @since 1.9

    63      */

    64     PackageTree getPackage();

    65 

    66     /**

    67      * Returns the import declarations appearing in this compilation unit.

    68      * @return the import declarations

    69      */

    70     List<? extends ImportTree> getImports();

    71 

    72     /**

    73      * Returns the type declarations appearing in this compilation unit.

    74      * The list may also include empty statements resulting from

    75      * extraneous semicolons.

    76      * @return the type declarations

    77      */

    78     List<? extends Tree> getTypeDecls();

    79 

    80     /**

    81      * Returns the file object containing the source for this compilation unit.

    82      * @return the file object

    83      */

    84     JavaFileObject getSourceFile();

    85 

    86     /**

    87      * Returns the line map for this compilation unit, if available.

    88      * Returns {@code null} if the line map is not available.

    89      * @return the line map for this compilation unit

    90      */

    91     LineMap getLineMap();

    92 }