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Add remaining javax.tools interfaces.
2012-12-18 Andrew John Hughes <gnu_andrew@member.fsf.org> * javax/tools/JavaCompiler.java: New interface added. (CompilationTask): New inner interface. (CompilationTask.call()): Added. (CompilationTask.setLocale(Locale)): Likewise. (CompilationTask.setProcessors(Iterable)): Likewise. (getStandardFileManager(DiagnosticListener,Locale,Charset)): Likewise. (getTask(Writer,DiagnosticListener,Iterable,Iterable,Iterable)): Likewise. * javax/tools/StandardJavaFileManager.java: New interface added. (getJavaFileObjects(File...)): Added. (getJavaFileObjects(String...)): Likewise. (getJavaFileObjectsFromFiles(Iterable)): Likewise. (getJavaFileObjectsFromStrings(Iterable)): Likewise. (getLocation(Location)): Likewise. (isSameFile(FileObject,FileObject)): Likewise. (setLocation(Location,Iterable)): Likewise. * javax/tools/Tool.java: New interface added. (getSourceVersions()): Added. (run(InputStream,OutputStream,OutputStream,String...)): Likewise. Signed-off-by: Andrew John Hughes <gnu_andrew@member.fsf.org>
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| /* JavaCompiler.java -- Programmatic interface for a compiler. | ||
| Copyright (C) 2012 Free Software Foundation, Inc. | ||
| This file is part of GNU Classpath. | ||
| GNU Classpath is free software; you can redistribute it and/or modify | ||
| it under the terms of the GNU General Public License as published by | ||
| the Free Software Foundation; either version 2, or (at your option) | ||
| any later version. | ||
| GNU Classpath 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 for more details. | ||
| You should have received a copy of the GNU General Public License | ||
| along with GNU Classpath; see the file COPYING. If not, write to the | ||
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | ||
| 02110-1301 USA. | ||
| Linking this library statically or dynamically with other modules is | ||
| making a combined work based on this library. Thus, the terms and | ||
| conditions of the GNU General Public License cover the whole | ||
| combination. | ||
| As a special exception, the copyright holders of this library give you | ||
| permission to link this library with independent modules to produce an | ||
| executable, regardless of the license terms of these independent | ||
| modules, and to copy and distribute the resulting executable under | ||
| terms of your choice, provided that you also meet, for each linked | ||
| independent module, the terms and conditions of the license of that | ||
| module. An independent module is a module which is not derived from | ||
| or based on this library. If you modify this library, you may extend | ||
| this exception to your version of the library, but you are not | ||
| obligated to do so. If you do not wish to do so, delete this | ||
| exception statement from your version. */ | ||
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| package javax.tools; | ||
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| import java.io.Writer; | ||
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| import java.nio.charset.Charset; | ||
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| import java.util.Locale; | ||
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| import java.util.concurrent.Callable; | ||
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| import javax.annotation.processing.Processor; | ||
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| /** | ||
| * <p> | ||
| * Provides a programmatic interface to a compiler for the Java | ||
| * programming language. The compiler relies on two services; | ||
| * a diagnostic listener for producing textual output including | ||
| * warnings or errors from the code, and a file manager for providing | ||
| * access to the files to be compiled and the output location. | ||
| * More detail on these services and various helper classes related | ||
| * to them is provided below. The classes {@link DiagnosticListener}, | ||
| * {@link JavaFileManager}, {@link FileObject} and {@link JavaFileObject} | ||
| * provide the service provider interface for these services and are not | ||
| * intended for user consumption.</p> | ||
| * <p>Compilers implementing {@link JavaCompiler} must conform to the Java | ||
| * Language Specification and produce class files conforming to the | ||
| * Java Virtual Machine Specification. In addition, those compilers | ||
| * which claim to support {@link SourceVersion#RELEASE_6} or later | ||
| * must support annotation processing.</p> | ||
| * <h2>Diagnostics</h2> | ||
| * <p>Where possible, the compiler provides diagnostic output to | ||
| * a {@link DiagnosticListener} if provided. If a listener is | ||
| * not provided, diagnostics are instead written to the default | ||
| * output ({@code{System.err} by default). This may also happen | ||
| * where the diagnostics are inappropriate for a {@link Diagnostic} | ||
| * object. The class {@link DiagnosticCollector} provides a means | ||
| * collate together multiple {@link Diagnostic}s in a list.</p> | ||
| * <h2>The File Manager</h2> | ||
| * <p>A compiler tool has an associated standard file manager which | ||
| * is native to it. An instance of it can be obtained by calling | ||
| * {@link #getStandardFileManager(DiagnosticListener,Locale,Charset)} | ||
| * and this is automatically called if no file manager is supplied to | ||
| * the compiler. However, the compiler must work with other file | ||
| * managers, provided they meet the requirements detailed in the methods | ||
| * below. Such file managers allow the user to customise how the compiler | ||
| * reads and writes files, and can be shared between multiple compilation | ||
| * tasks. Such reuse between different tasks can potentially provide | ||
| * a performance improvement.</p> | ||
| * <p>The standard file manager returned by this interface is an instance | ||
| * of the subinterface, {@link StandardJavaFileManager}, which is intended | ||
| * for operating on regular files and provides additional methods to support | ||
| * this.</p> | ||
| * <p>All file managers return a {@link FileObject} which provides an | ||
| * abstraction from the underlying file. The class {@link SimpleJavaFileObject} | ||
| * is provided as a means to simplifying implementing this interface.</p> | ||
| * <h2>Forwarding</h2> | ||
| * <p>As file managers and file objects are provided as return values from | ||
| * the methods of {@link JavaCompiler} and the file manager respectively, | ||
| * there is no means to override their behaviour by subclassing. Instead, | ||
| * it is necessary to wrap the returned instance in another implementation | ||
| * and forward method calls to it as appropriate. The classes | ||
| * {@link ForwardingJavaFileManager}, {@link ForwardingFileObject} and | ||
| * {@link ForwardingJavaFileObject} facilitate this by providing an | ||
| * implementation that simply forwards to another, which can then be subclassed | ||
| * to provide additional behaviour.</p> | ||
| * | ||
| * @author Andrew John Hughes (gnu_andrew@member.fsf.org) | ||
| * @since 1.6 | ||
| */ | ||
| public interface JavaCompiler | ||
| extends Tool, OptionChecker | ||
| { | ||
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| /** | ||
| * Interface representing a compilation task as an asynchronous | ||
| * event or {@link java.util.concurrent.Future}. The task may be | ||
| * started by invoking {@link #call()}. Prior to this, the task | ||
| * may be configured by the user using the other methods of this | ||
| * interface. | ||
| * | ||
| * @author Andrew John Hughes (gnu_andrew@member.fsf.org) | ||
| * @since 1.6 | ||
| */ | ||
| public static interface CompilationTask | ||
| extends Callable<Boolean> | ||
| { | ||
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| /** | ||
| * Performs the compilation. The compilation may only | ||
| * be performed once. Subsequent calls will throw | ||
| * an {@link IllegalStateException}. | ||
| * | ||
| * @return true if all files were successfully compiled. | ||
| * @throws RuntimeException if an unrecoverable error occurred | ||
| * in a user-supplied component of | ||
| * the compilation process. The user | ||
| * exception will be provided as the | ||
| * cause of this exception. | ||
| * @throws IllegalStateException if the compilation has already run. | ||
| */ | ||
| Boolean call(); | ||
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| /** | ||
| * Sets the locale to use for outputting diagnostics. | ||
| * | ||
| * @param locale the locale to use. A value of {@code null} | ||
| * means no locale is applied. | ||
| * @throws IllegalStateException if the compilation has started. | ||
| */ | ||
| void setLocale(Locale locale); | ||
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| /** | ||
| * Explicitly set the annotation processors to be used, | ||
| * overriding the usual discovery process. | ||
| * | ||
| * @param processors the processors to use. | ||
| * @throws IllegalStateException if the compilation has started. | ||
| */ | ||
| void setProcessors(Iterable<? extends Processor> processors); | ||
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| } | ||
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| /** | ||
| * Returns a new instance of the standard file manager implementation | ||
| * used by this tool. Any non-fatal diagnostics produced by the tool | ||
| * will be passed to the specified {@link DiagnosticListener}, if | ||
| * supplied, using the given locale. Calls to the file manager after | ||
| * a {@link JavaFileManager#flush()} or {@link JavaFileManager#close()} | ||
| * will cause the file manager to be reopened. The file manager must | ||
| * be usable with other tools. | ||
| * | ||
| * @param listener the diagnostic listener to use or {@code null} if | ||
| * the compiler should use its own methods for producing | ||
| * diagnostics. | ||
| * @param locale the locale to use to format the diagnostics or {@code null} | ||
| * to use the default locale. | ||
| * @param charset the character set to use for decoding bytes or {@code null} | ||
| * to use the platform default. | ||
| * @return the standard file manager implementation. | ||
| */ | ||
| StandardJavaFileManager getStandardFileManager(DiagnosticListener<? super JavaFileObject> listener, | ||
| Locale locale, Charset charset); | ||
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| /** | ||
| * Returns an asynchrononous task for performing the specified compilation. | ||
| * The compilation may not have completed upon return of this method. | ||
| * If a file manager is specified, it must supported all locations specified | ||
| * in {@link StandardLocation}. | ||
| * | ||
| * @param out the output stream for compiler output beyond that provided by | ||
| * diagnostics; {@code System.err} is used if this is {@code null}. | ||
| * @param fileManager the file manager to use or {@code null} to use a new | ||
| * instance from | ||
| * {@link #getStandardFileManaager(DiagnosticListener,Locale,Charset)} | ||
| * @param listener the listener to pass diagnostic output to, or | ||
| * {@code null} if the compiler's default method should | ||
| * be used instead. | ||
| * @param options the options to supply to the compiler or {@code null} if there are none. | ||
| * @param classes the names of classes to use for annotation processing or {@code null} | ||
| * if there are none. | ||
| * @param objects the file objects to compile, or {@code null} if there are none. | ||
| * @return a task representing the proposed compilation. | ||
| * @throws RuntimeException if an unrecoverable error occurred | ||
| * in a user-supplied component of | ||
| * the compilation process. The user | ||
| * exception will be provided as the | ||
| * cause of this exception. | ||
| * @throws IllegalArgumentException if the kind of any of the objects is something | ||
| * other than {@link JavaFileObject.Kind#SOURCE}. | ||
| */ | ||
| CompilationTask getTask(Writer out, JavaFileManager fileManager, | ||
| DiagnosticListener<? super JavaFileObject> listener, | ||
| Iterable<String> options, Iterable<String> classes, | ||
| Iterable<? extends JavaFileObject> objects); | ||
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| } |
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