| /* |
| * Copyright (c) 2005, 2017, 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.tools.javac.api; |
| |
| import java.util.Collection; |
| import java.util.LinkedHashSet; |
| import java.util.Locale; |
| import java.util.Objects; |
| import java.util.ServiceLoader; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| import javax.annotation.processing.Processor; |
| 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.JavaFileObject; |
| |
| import com.sun.source.tree.CompilationUnitTree; |
| import com.sun.source.tree.Tree; |
| import com.sun.source.util.JavacTask; |
| import com.sun.source.util.Plugin; |
| import com.sun.source.util.TaskListener; |
| import com.sun.tools.doclint.DocLint; |
| import com.sun.tools.javac.main.JavaCompiler; |
| import com.sun.tools.javac.model.JavacElements; |
| import com.sun.tools.javac.model.JavacTypes; |
| import com.sun.tools.javac.platform.PlatformDescription; |
| import com.sun.tools.javac.platform.PlatformDescription.PluginInfo; |
| import com.sun.tools.javac.processing.JavacProcessingEnvironment; |
| import com.sun.tools.javac.resources.CompilerProperties.Errors; |
| import com.sun.tools.javac.tree.JCTree; |
| import com.sun.tools.javac.util.Context; |
| import com.sun.tools.javac.util.DefinedBy; |
| import com.sun.tools.javac.util.DefinedBy.Api; |
| import com.sun.tools.javac.util.List; |
| import com.sun.tools.javac.util.Log; |
| import com.sun.tools.javac.util.PropagatedException; |
| |
| /** |
| * Provides basic functionality for implementations of JavacTask. |
| * |
| * <p><b>This is NOT part of any supported API. |
| * If you write code that depends on this, you do so at your own |
| * risk. This code and its internal interfaces are subject to change |
| * or deletion without notice.</b></p> |
| */ |
| public class BasicJavacTask extends JavacTask { |
| protected Context context; |
| private TaskListener taskListener; |
| |
| public static JavacTask instance(Context context) { |
| JavacTask instance = context.get(JavacTask.class); |
| if (instance == null) |
| instance = new BasicJavacTask(context, true); |
| return instance; |
| } |
| |
| public BasicJavacTask(Context c, boolean register) { |
| context = c; |
| if (register) |
| context.put(JavacTask.class, this); |
| } |
| |
| @Override @DefinedBy(Api.COMPILER_TREE) |
| public Iterable<? extends CompilationUnitTree> parse() { |
| throw new IllegalStateException(); |
| } |
| |
| @Override @DefinedBy(Api.COMPILER_TREE) |
| public Iterable<? extends Element> analyze() { |
| throw new IllegalStateException(); |
| } |
| |
| @Override @DefinedBy(Api.COMPILER_TREE) |
| public Iterable<? extends JavaFileObject> generate() { |
| throw new IllegalStateException(); |
| } |
| |
| @Override @DefinedBy(Api.COMPILER_TREE) |
| public void setTaskListener(TaskListener tl) { |
| MultiTaskListener mtl = MultiTaskListener.instance(context); |
| if (taskListener != null) |
| mtl.remove(taskListener); |
| if (tl != null) |
| mtl.add(tl); |
| taskListener = tl; |
| } |
| |
| @Override @DefinedBy(Api.COMPILER_TREE) |
| public void addTaskListener(TaskListener taskListener) { |
| MultiTaskListener mtl = MultiTaskListener.instance(context); |
| mtl.add(taskListener); |
| } |
| |
| @Override @DefinedBy(Api.COMPILER_TREE) |
| public void removeTaskListener(TaskListener taskListener) { |
| MultiTaskListener mtl = MultiTaskListener.instance(context); |
| mtl.remove(taskListener); |
| } |
| |
| public Collection<TaskListener> getTaskListeners() { |
| MultiTaskListener mtl = MultiTaskListener.instance(context); |
| return mtl.getTaskListeners(); |
| } |
| |
| @Override @DefinedBy(Api.COMPILER_TREE) |
| public TypeMirror getTypeMirror(Iterable<? extends Tree> path) { |
| // TODO: Should complete attribution if necessary |
| Tree last = null; |
| for (Tree node : path) { |
| last = Objects.requireNonNull(node); |
| } |
| if (last == null) { |
| throw new IllegalArgumentException("empty path"); |
| } |
| return ((JCTree) last).type; |
| } |
| |
| @Override @DefinedBy(Api.COMPILER_TREE) |
| public Elements getElements() { |
| if (context == null) |
| throw new IllegalStateException(); |
| return JavacElements.instance(context); |
| } |
| |
| @Override @DefinedBy(Api.COMPILER_TREE) |
| public Types getTypes() { |
| if (context == null) |
| throw new IllegalStateException(); |
| return JavacTypes.instance(context); |
| } |
| |
| @Override @DefinedBy(Api.COMPILER) |
| public void addModules(Iterable<String> moduleNames) { |
| throw new IllegalStateException(); |
| } |
| |
| @Override @DefinedBy(Api.COMPILER) |
| public void setProcessors(Iterable<? extends Processor> processors) { |
| throw new IllegalStateException(); |
| } |
| |
| @Override @DefinedBy(Api.COMPILER) |
| public void setLocale(Locale locale) { |
| throw new IllegalStateException(); |
| } |
| |
| @Override @DefinedBy(Api.COMPILER) |
| public Boolean call() { |
| throw new IllegalStateException(); |
| } |
| |
| /** |
| * For internal use only. |
| * This method will be removed without warning. |
| * @return the context |
| */ |
| public Context getContext() { |
| return context; |
| } |
| |
| public void initPlugins(Set<List<String>> pluginOpts) { |
| PlatformDescription platformProvider = context.get(PlatformDescription.class); |
| |
| if (platformProvider != null) { |
| for (PluginInfo<Plugin> pluginDesc : platformProvider.getPlugins()) { |
| java.util.List<String> options = |
| pluginDesc.getOptions().entrySet().stream() |
| .map(e -> e.getKey() + "=" + e.getValue()) |
| .collect(Collectors.toList()); |
| try { |
| pluginDesc.getPlugin().init(this, options.toArray(new String[options.size()])); |
| } catch (RuntimeException ex) { |
| throw new PropagatedException(ex); |
| } |
| } |
| } |
| |
| if (pluginOpts.isEmpty()) |
| return; |
| |
| Set<List<String>> pluginsToCall = new LinkedHashSet<>(pluginOpts); |
| JavacProcessingEnvironment pEnv = JavacProcessingEnvironment.instance(context); |
| ServiceLoader<Plugin> sl = pEnv.getServiceLoader(Plugin.class); |
| for (Plugin plugin : sl) { |
| for (List<String> p : pluginsToCall) { |
| if (plugin.getName().equals(p.head)) { |
| pluginsToCall.remove(p); |
| try { |
| plugin.init(this, p.tail.toArray(new String[p.tail.size()])); |
| } catch (RuntimeException ex) { |
| throw new PropagatedException(ex); |
| } |
| } |
| } |
| } |
| for (List<String> p: pluginsToCall) { |
| Log.instance(context).error(Errors.PluginNotFound(p.head)); |
| } |
| } |
| |
| public void initDocLint(List<String> docLintOpts) { |
| if (docLintOpts.isEmpty()) |
| return; |
| |
| new DocLint().init(this, docLintOpts.toArray(new String[docLintOpts.size()])); |
| JavaCompiler.instance(context).keepComments = true; |
| } |
| } |