src/share/classes/com/sun/tools/javac/api/BasicJavacTask.java

Sat, 07 Nov 2020 10:30:02 +0800

author
aoqi
date
Sat, 07 Nov 2020 10:30:02 +0800
changeset 3938
93012e2a5d1d
parent 2525
2eb010b6cb22
permissions
-rw-r--r--

Added tag mips-jdk8u275-b01 for changeset eb6ee6a5f2fe

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation. Oracle designates this
aoqi@0 8 * particular file as subject to the "Classpath" exception as provided
aoqi@0 9 * by Oracle in the LICENSE file that accompanied this code.
aoqi@0 10 *
aoqi@0 11 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 14 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 15 * accompanied this code).
aoqi@0 16 *
aoqi@0 17 * You should have received a copy of the GNU General Public License version
aoqi@0 18 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 20 *
aoqi@0 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 22 * or visit www.oracle.com if you need additional information or have any
aoqi@0 23 * questions.
aoqi@0 24 */
aoqi@0 25
aoqi@0 26 package com.sun.tools.javac.api;
aoqi@0 27
aoqi@0 28 import java.io.IOException;
aoqi@0 29 import java.util.Collection;
aoqi@0 30 import java.util.Locale;
aoqi@0 31
aoqi@0 32 import javax.annotation.processing.Processor;
aoqi@0 33 import javax.lang.model.element.Element;
aoqi@0 34 import javax.lang.model.type.TypeMirror;
aoqi@0 35 import javax.lang.model.util.Elements;
aoqi@0 36 import javax.lang.model.util.Types;
aoqi@0 37 import javax.tools.JavaFileObject;
aoqi@0 38
aoqi@0 39 import com.sun.source.tree.CompilationUnitTree;
aoqi@0 40 import com.sun.source.tree.Tree;
aoqi@0 41 import com.sun.source.util.JavacTask;
aoqi@0 42 import com.sun.source.util.TaskListener;
aoqi@0 43 import com.sun.tools.javac.model.JavacElements;
aoqi@0 44 import com.sun.tools.javac.model.JavacTypes;
aoqi@0 45 import com.sun.tools.javac.tree.JCTree;
aoqi@0 46 import com.sun.tools.javac.util.Context;
aoqi@0 47
aoqi@0 48 /**
aoqi@0 49 * Provides basic functionality for implementations of JavacTask.
aoqi@0 50 *
aoqi@0 51 * <p><b>This is NOT part of any supported API.
aoqi@0 52 * If you write code that depends on this, you do so at your own
aoqi@0 53 * risk. This code and its internal interfaces are subject to change
aoqi@0 54 * or deletion without notice.</b></p>
aoqi@0 55 */
aoqi@0 56 public class BasicJavacTask extends JavacTask {
aoqi@0 57 protected Context context;
aoqi@0 58 private TaskListener taskListener;
aoqi@0 59
aoqi@0 60 public static JavacTask instance(Context context) {
aoqi@0 61 JavacTask instance = context.get(JavacTask.class);
aoqi@0 62 if (instance == null)
aoqi@0 63 instance = new BasicJavacTask(context, true);
aoqi@0 64 return instance;
aoqi@0 65 }
aoqi@0 66
aoqi@0 67 public BasicJavacTask(Context c, boolean register) {
aoqi@0 68 context = c;
aoqi@0 69 if (register)
aoqi@0 70 context.put(JavacTask.class, this);
aoqi@0 71 }
aoqi@0 72
aoqi@0 73 @Override
aoqi@0 74 public Iterable<? extends CompilationUnitTree> parse() throws IOException {
aoqi@0 75 throw new IllegalStateException();
aoqi@0 76 }
aoqi@0 77
aoqi@0 78 @Override
aoqi@0 79 public Iterable<? extends Element> analyze() throws IOException {
aoqi@0 80 throw new IllegalStateException();
aoqi@0 81 }
aoqi@0 82
aoqi@0 83 @Override
aoqi@0 84 public Iterable<? extends JavaFileObject> generate() throws IOException {
aoqi@0 85 throw new IllegalStateException();
aoqi@0 86 }
aoqi@0 87
aoqi@0 88 @Override
aoqi@0 89 public void setTaskListener(TaskListener tl) {
aoqi@0 90 MultiTaskListener mtl = MultiTaskListener.instance(context);
aoqi@0 91 if (taskListener != null)
aoqi@0 92 mtl.remove(taskListener);
aoqi@0 93 if (tl != null)
aoqi@0 94 mtl.add(tl);
aoqi@0 95 taskListener = tl;
aoqi@0 96 }
aoqi@0 97
aoqi@0 98 @Override
aoqi@0 99 public void addTaskListener(TaskListener taskListener) {
aoqi@0 100 MultiTaskListener mtl = MultiTaskListener.instance(context);
aoqi@0 101 mtl.add(taskListener);
aoqi@0 102 }
aoqi@0 103
aoqi@0 104 @Override
aoqi@0 105 public void removeTaskListener(TaskListener taskListener) {
aoqi@0 106 MultiTaskListener mtl = MultiTaskListener.instance(context);
aoqi@0 107 mtl.remove(taskListener);
aoqi@0 108 }
aoqi@0 109
aoqi@0 110 public Collection<TaskListener> getTaskListeners() {
aoqi@0 111 MultiTaskListener mtl = MultiTaskListener.instance(context);
aoqi@0 112 return mtl.getTaskListeners();
aoqi@0 113 }
aoqi@0 114
aoqi@0 115 @Override
aoqi@0 116 public TypeMirror getTypeMirror(Iterable<? extends Tree> path) {
aoqi@0 117 // TODO: Should complete attribution if necessary
aoqi@0 118 Tree last = null;
aoqi@0 119 for (Tree node : path)
aoqi@0 120 last = node;
aoqi@0 121 return ((JCTree)last).type;
aoqi@0 122 }
aoqi@0 123
aoqi@0 124 @Override
aoqi@0 125 public Elements getElements() {
aoqi@0 126 return JavacElements.instance(context);
aoqi@0 127 }
aoqi@0 128
aoqi@0 129 @Override
aoqi@0 130 public Types getTypes() {
aoqi@0 131 return JavacTypes.instance(context);
aoqi@0 132 }
aoqi@0 133
aoqi@0 134 public void setProcessors(Iterable<? extends Processor> processors) {
aoqi@0 135 throw new IllegalStateException();
aoqi@0 136 }
aoqi@0 137
aoqi@0 138 public void setLocale(Locale locale) {
aoqi@0 139 throw new IllegalStateException();
aoqi@0 140 }
aoqi@0 141
aoqi@0 142 public Boolean call() {
aoqi@0 143 throw new IllegalStateException();
aoqi@0 144 }
aoqi@0 145
aoqi@0 146 /**
aoqi@0 147 * For internal use only. This method will be
aoqi@0 148 * removed without warning.
aoqi@0 149 */
aoqi@0 150 public Context getContext() {
aoqi@0 151 return context;
aoqi@0 152 }
aoqi@0 153
aoqi@0 154 /**
aoqi@0 155 * For internal use only. This method will be
aoqi@0 156 * removed without warning.
aoqi@0 157 */
aoqi@0 158 public void updateContext(Context newContext) {
aoqi@0 159 context = newContext;
aoqi@0 160 }
aoqi@0 161 }

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