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src/share/classes/com/sun/tools/javac/api/JavacTool.java@2eb010b6cb22 (annotated)

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

Thu, 31 Aug 2017 15:17:03 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:17:03 +0800

changeset 2525

2eb010b6cb22

parent 2075

82044fe8c7f7

parent 0

959103a6100f

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2005, 2013, 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.InputStream;
aoqi@0	29	import java.io.OutputStream;
aoqi@0	30	import java.io.OutputStreamWriter;
aoqi@0	31	import java.io.PrintWriter;
aoqi@0	32	import java.io.Writer;
aoqi@0	33	import java.nio.charset.Charset;
aoqi@0	34	import java.util.Collections;
aoqi@0	35	import java.util.EnumSet;
aoqi@0	36	import java.util.Iterator;
aoqi@0	37	import java.util.Locale;
aoqi@0	38	import java.util.Set;
aoqi@0	39	import javax.lang.model.SourceVersion;
aoqi@0	40	import javax.tools.*;
aoqi@0	41
aoqi@0	42	import com.sun.source.util.JavacTask;
aoqi@0	43	import com.sun.tools.javac.file.JavacFileManager;
aoqi@0	44	import com.sun.tools.javac.main.Main;
aoqi@0	45	import com.sun.tools.javac.main.Option;
aoqi@0	46	import com.sun.tools.javac.main.OptionHelper;
aoqi@0	47	import com.sun.tools.javac.main.OptionHelper.GrumpyHelper;
aoqi@0	48	import com.sun.tools.javac.util.ClientCodeException;
aoqi@0	49	import com.sun.tools.javac.util.Context;
aoqi@0	50	import com.sun.tools.javac.util.Log;
aoqi@0	51	import com.sun.tools.javac.util.Log.PrefixKind;
aoqi@0	52	import com.sun.tools.javac.util.Options;
aoqi@0	53
aoqi@0	54	/**
aoqi@0	55	* TODO: describe com.sun.tools.javac.api.Tool
aoqi@0	56	*
aoqi@0	57	* <p><b>This is NOT part of any supported API.
aoqi@0	58	* If you write code that depends on this, you do so at your own
aoqi@0	59	* risk. This code and its internal interfaces are subject to change
aoqi@0	60	* or deletion without notice.</b></p>
aoqi@0	61	*
aoqi@0	62	* @author Peter von der Ah\u00e9
aoqi@0	63	*/
aoqi@0	64	public final class JavacTool implements JavaCompiler {
aoqi@0	65	/**
aoqi@0	66	* Constructor used by service provider mechanism. The recommended way to
aoqi@0	67	* obtain an instance of this class is by using {@link #create} or the
aoqi@0	68	* service provider mechanism.
aoqi@0	69	* @see javax.tools.JavaCompiler
aoqi@0	70	* @see javax.tools.ToolProvider
aoqi@0	71	* @see #create
aoqi@0	72	*/
aoqi@0	73	@Deprecated
aoqi@0	74	public JavacTool() {}
aoqi@0	75
aoqi@0	76	/**
aoqi@0	77	* Static factory method for creating new instances of this tool.
aoqi@0	78	* @return new instance of this tool
aoqi@0	79	*/
aoqi@0	80	public static JavacTool create() {
aoqi@0	81	return new JavacTool();
aoqi@0	82	}
aoqi@0	83
aoqi@0	84	public JavacFileManager getStandardFileManager(
aoqi@0	85	DiagnosticListener<? super JavaFileObject> diagnosticListener,
aoqi@0	86	Locale locale,
aoqi@0	87	Charset charset) {
aoqi@0	88	Context context = new Context();
aoqi@0	89	context.put(Locale.class, locale);
aoqi@0	90	if (diagnosticListener != null)
aoqi@0	91	context.put(DiagnosticListener.class, diagnosticListener);
aoqi@0	92	PrintWriter pw = (charset == null)
aoqi@0	93	? new PrintWriter(System.err, true)
aoqi@0	94	: new PrintWriter(new OutputStreamWriter(System.err, charset), true);
aoqi@0	95	context.put(Log.outKey, pw);
aoqi@0	96	return new JavacFileManager(context, true, charset);
aoqi@0	97	}
aoqi@0	98
aoqi@0	99	@Override
aoqi@0	100	public JavacTask getTask(Writer out,
aoqi@0	101	JavaFileManager fileManager,
aoqi@0	102	DiagnosticListener<? super JavaFileObject> diagnosticListener,
aoqi@0	103	Iterable<String> options,
aoqi@0	104	Iterable<String> classes,
aoqi@0	105	Iterable<? extends JavaFileObject> compilationUnits) {
aoqi@0	106	Context context = new Context();
aoqi@0	107	return getTask(out, fileManager, diagnosticListener,
aoqi@0	108	options, classes, compilationUnits,
aoqi@0	109	context);
aoqi@0	110	}
aoqi@0	111
aoqi@0	112	public JavacTask getTask(Writer out,
aoqi@0	113	JavaFileManager fileManager,
aoqi@0	114	DiagnosticListener<? super JavaFileObject> diagnosticListener,
aoqi@0	115	Iterable<String> options,
aoqi@0	116	Iterable<String> classes,
aoqi@0	117	Iterable<? extends JavaFileObject> compilationUnits,
aoqi@0	118	Context context)
aoqi@0	119	{
aoqi@0	120	try {
aoqi@0	121	ClientCodeWrapper ccw = ClientCodeWrapper.instance(context);
aoqi@0	122
aoqi@0	123	if (options != null)
aoqi@0	124	for (String option : options)
aoqi@0	125	option.getClass(); // null check
aoqi@0	126	if (classes != null) {
aoqi@0	127	for (String cls : classes)
aoqi@0	128	if (!SourceVersion.isName(cls)) // implicit null check
aoqi@0	129	throw new IllegalArgumentException("Not a valid class name: " + cls);
aoqi@0	130	}
aoqi@0	131	if (compilationUnits != null) {
aoqi@0	132	compilationUnits = ccw.wrapJavaFileObjects(compilationUnits); // implicit null check
aoqi@0	133	for (JavaFileObject cu : compilationUnits) {
aoqi@0	134	if (cu.getKind() != JavaFileObject.Kind.SOURCE) {
aoqi@0	135	String kindMsg = "Compilation unit is not of SOURCE kind: "
aoqi@0	136	+ "\"" + cu.getName() + "\"";
aoqi@0	137	throw new IllegalArgumentException(kindMsg);
aoqi@0	138	}
aoqi@0	139	}
aoqi@0	140	}
aoqi@0	141
aoqi@0	142	if (diagnosticListener != null)
aoqi@0	143	context.put(DiagnosticListener.class, ccw.wrap(diagnosticListener));
aoqi@0	144
aoqi@0	145	if (out == null)
aoqi@0	146	context.put(Log.outKey, new PrintWriter(System.err, true));
aoqi@0	147	else
aoqi@0	148	context.put(Log.outKey, new PrintWriter(out, true));
aoqi@0	149
aoqi@0	150	if (fileManager == null)
aoqi@0	151	fileManager = getStandardFileManager(diagnosticListener, null, null);
aoqi@0	152	fileManager = ccw.wrap(fileManager);
aoqi@0	153
aoqi@0	154	context.put(JavaFileManager.class, fileManager);
aoqi@0	155
aoqi@0	156	processOptions(context, fileManager, options);
aoqi@0	157	Main compiler = new Main("javacTask", context.get(Log.outKey));
aoqi@0	158	return new JavacTaskImpl(compiler, options, context, classes, compilationUnits);
aoqi@0	159	} catch (ClientCodeException ex) {
aoqi@0	160	throw new RuntimeException(ex.getCause());
aoqi@0	161	}
aoqi@0	162	}
aoqi@0	163
aoqi@0	164	public static void processOptions(Context context,
aoqi@0	165	JavaFileManager fileManager,
aoqi@0	166	Iterable<String> options)
aoqi@0	167	{
aoqi@0	168	if (options == null)
aoqi@0	169	return;
aoqi@0	170
aoqi@0	171	final Options optionTable = Options.instance(context);
aoqi@0	172	Log log = Log.instance(context);
aoqi@0	173
aoqi@0	174	Option[] recognizedOptions =
aoqi@0	175	Option.getJavacToolOptions().toArray(new Option[0]);
aoqi@0	176	OptionHelper optionHelper = new GrumpyHelper(log) {
aoqi@0	177	@Override
aoqi@0	178	public String get(Option option) {
aoqi@0	179	return optionTable.get(option.getText());
aoqi@0	180	}
aoqi@0	181
aoqi@0	182	@Override
aoqi@0	183	public void put(String name, String value) {
aoqi@0	184	optionTable.put(name, value);
aoqi@0	185	}
aoqi@0	186
aoqi@0	187	@Override
aoqi@0	188	public void remove(String name) {
aoqi@0	189	optionTable.remove(name);
aoqi@0	190	}
aoqi@0	191	};
aoqi@0	192
aoqi@0	193	Iterator<String> flags = options.iterator();
aoqi@0	194	while (flags.hasNext()) {
aoqi@0	195	String flag = flags.next();
aoqi@0	196	int j;
aoqi@0	197	for (j=0; j<recognizedOptions.length; j++)
aoqi@0	198	if (recognizedOptions[j].matches(flag))
aoqi@0	199	break;
aoqi@0	200
aoqi@0	201	if (j == recognizedOptions.length) {
aoqi@0	202	if (fileManager.handleOption(flag, flags)) {
aoqi@0	203	continue;
aoqi@0	204	} else {
aoqi@0	205	String msg = log.localize(PrefixKind.JAVAC, "err.invalid.flag", flag);
aoqi@0	206	throw new IllegalArgumentException(msg);
aoqi@0	207	}
aoqi@0	208	}
aoqi@0	209
aoqi@0	210	Option option = recognizedOptions[j];
aoqi@0	211	if (option.hasArg()) {
aoqi@0	212	if (!flags.hasNext()) {
aoqi@0	213	String msg = log.localize(PrefixKind.JAVAC, "err.req.arg", flag);
aoqi@0	214	throw new IllegalArgumentException(msg);
aoqi@0	215	}
aoqi@0	216	String operand = flags.next();
aoqi@0	217	if (option.process(optionHelper, flag, operand))
aoqi@0	218	// should not happen as the GrumpyHelper will throw exceptions
aoqi@0	219	// in case of errors
aoqi@0	220	throw new IllegalArgumentException(flag + " " + operand);
aoqi@0	221	} else {
aoqi@0	222	if (option.process(optionHelper, flag))
aoqi@0	223	// should not happen as the GrumpyHelper will throw exceptions
aoqi@0	224	// in case of errors
aoqi@0	225	throw new IllegalArgumentException(flag);
aoqi@0	226	}
aoqi@0	227	}
aoqi@0	228
aoqi@0	229	optionTable.notifyListeners();
aoqi@0	230	}
aoqi@0	231
aoqi@0	232	public int run(InputStream in, OutputStream out, OutputStream err, String... arguments) {
aoqi@0	233	if (err == null)
aoqi@0	234	err = System.err;
aoqi@0	235	for (String argument : arguments)
aoqi@0	236	argument.getClass(); // null check
aoqi@0	237	return com.sun.tools.javac.Main.compile(arguments, new PrintWriter(err, true));
aoqi@0	238	}
aoqi@0	239
aoqi@0	240	public Set<SourceVersion> getSourceVersions() {
aoqi@0	241	return Collections.unmodifiableSet(EnumSet.range(SourceVersion.RELEASE_3,
aoqi@0	242	SourceVersion.latest()));
aoqi@0	243	}
aoqi@0	244
aoqi@0	245	public int isSupportedOption(String option) {
aoqi@0	246	Set<Option> recognizedOptions = Option.getJavacToolOptions();
aoqi@0	247	for (Option o : recognizedOptions) {
aoqi@0	248	if (o.matches(option))
aoqi@0	249	return o.hasArg() ? 1 : 0;
aoqi@0	250	}
aoqi@0	251	return -1;
aoqi@0	252	}
aoqi@0	253
aoqi@0	254	}