diff -r 024ed9c9ed13 -r 83c19f00452c langtools/src/jdk.compiler/share/classes/com/sun/source/util/JavacTask.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/langtools/src/jdk.compiler/share/classes/com/sun/source/util/JavacTask.java Sun Aug 17 15:52:32 2014 +0100 @@ -0,0 +1,161 @@ +/* + * Copyright (c) 2005, 2014, 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 Ahé + * @author Jonathan Gibbons + * @since 1.6 + */ +@jdk.Exported +public abstract class JavacTask implements CompilationTask { + + /** + * Returns 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); + } + + /** + * Parses 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 parse() + throws IOException; + + /** + * Completes 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 analyze() throws IOException; + + /** + * Generates 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 generate() throws IOException; + + /** + * Sets a specified listener to 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. + * + * @param taskListener the task listener + * @throws IllegalStateException if the specified listener has already been added. + */ + public abstract void setTaskListener(TaskListener taskListener); + + /** + * Adds a specified listener so that it receives notification of events + * describing the progress of this compilation task. + * + * This method may be called at any time before or during the compilation. + * + * @param taskListener the task listener + * @throws IllegalStateException if the specified listener has already been added. + * @since 1.8 + */ + public abstract void addTaskListener(TaskListener taskListener); + + /** + * Removes the specified listener so that it no longer receives + * notification of events describing the progress of this + * compilation task. + * + * This method may be called at any time before or during the compilation. + * + * @param taskListener the task listener + * @since 1.8 + */ + public abstract void removeTaskListener(TaskListener taskListener); + + /** + * Returns 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}. + * @param path the path + * @return the type mirror + * @see com.sun.source.util.Trees#getTypeMirror + */ + public abstract TypeMirror getTypeMirror(Iterable path); + + /** + * Returns a utility object for dealing with program elements. + * @return the utility object for dealing with program elements + */ + public abstract Elements getElements(); + + /** + * Returns a utility object for dealing with type mirrors. + * @return the utility object for dealing with type mirrors + */ + public abstract Types getTypes(); +}