author | jlahoda |
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child 27379 | 5ae894733e09 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.tools.javac.api; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import java.io.OutputStreamWriter; |
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import java.io.PrintWriter; |
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import java.io.Writer; |
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import java.nio.charset.Charset; |
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import java.util.Collections; |
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import java.util.EnumSet; |
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import java.util.Locale; |
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import java.util.Set; |
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import javax.lang.model.SourceVersion; |
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import javax.tools.*; |
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import com.sun.source.util.JavacTask; |
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import com.sun.tools.javac.file.JavacFileManager; |
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import com.sun.tools.javac.main.Arguments; |
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import com.sun.tools.javac.main.Option; |
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import com.sun.tools.javac.util.ClientCodeException; |
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import com.sun.tools.javac.util.Context; |
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import com.sun.tools.javac.util.DefinedBy; |
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import com.sun.tools.javac.util.DefinedBy.Api; |
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import com.sun.tools.javac.util.Log; |
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import com.sun.tools.javac.util.PropagatedException; |
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/** |
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* TODO: describe com.sun.tools.javac.api.Tool |
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* |
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* <p><b>This is NOT part of any supported API. |
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* If you write code that depends on this, you do so at your own |
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* risk. This code and its internal interfaces are subject to change |
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* or deletion without notice.</b></p> |
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* |
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* @author Peter von der Ah\u00e9 |
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*/ |
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public final class JavacTool implements JavaCompiler { |
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/** |
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* Constructor used by service provider mechanism. The recommended way to |
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* obtain an instance of this class is by using {@link #create} or the |
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* service provider mechanism. |
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* @see javax.tools.JavaCompiler |
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* @see javax.tools.ToolProvider |
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* @see #create |
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*/ |
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@Deprecated |
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public JavacTool() {} |
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/** |
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* Static factory method for creating new instances of this tool. |
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* @return new instance of this tool |
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*/ |
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public static JavacTool create() { |
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return new JavacTool(); |
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} |
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@Override @DefinedBy(Api.COMPILER) |
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public JavacFileManager getStandardFileManager( |
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DiagnosticListener<? super JavaFileObject> diagnosticListener, |
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Locale locale, |
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Charset charset) { |
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Context context = new Context(); |
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context.put(Locale.class, locale); |
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if (diagnosticListener != null) |
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context.put(DiagnosticListener.class, diagnosticListener); |
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PrintWriter pw = (charset == null) |
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? new PrintWriter(System.err, true) |
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: new PrintWriter(new OutputStreamWriter(System.err, charset), true); |
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context.put(Log.outKey, pw); |
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return new JavacFileManager(context, true, charset); |
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} |
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@Override @DefinedBy(Api.COMPILER) |
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public JavacTask getTask(Writer out, |
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JavaFileManager fileManager, |
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DiagnosticListener<? super JavaFileObject> diagnosticListener, |
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Iterable<String> options, |
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Iterable<String> classes, |
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Iterable<? extends JavaFileObject> compilationUnits) { |
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Context context = new Context(); |
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return getTask(out, fileManager, diagnosticListener, |
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options, classes, compilationUnits, |
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context); |
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} |
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/* Internal version of getTask, allowing context to be provided. */ |
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public JavacTask getTask(Writer out, |
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JavaFileManager fileManager, |
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DiagnosticListener<? super JavaFileObject> diagnosticListener, |
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Iterable<String> options, |
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Iterable<String> classes, |
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Iterable<? extends JavaFileObject> compilationUnits, |
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Context context) |
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{ |
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try { |
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ClientCodeWrapper ccw = ClientCodeWrapper.instance(context); |
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if (options != null) { |
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for (String option : options) |
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option.getClass(); // null check |
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} |
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if (classes != null) { |
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for (String cls : classes) |
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if (!SourceVersion.isName(cls)) // implicit null check |
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throw new IllegalArgumentException("Not a valid class name: " + cls); |
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} |
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if (compilationUnits != null) { |
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compilationUnits = ccw.wrapJavaFileObjects(compilationUnits); // implicit null check |
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for (JavaFileObject cu : compilationUnits) { |
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if (cu.getKind() != JavaFileObject.Kind.SOURCE) { |
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String kindMsg = "Compilation unit is not of SOURCE kind: " |
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+ "\"" + cu.getName() + "\""; |
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throw new IllegalArgumentException(kindMsg); |
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} |
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} |
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} |
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if (diagnosticListener != null) |
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context.put(DiagnosticListener.class, ccw.wrap(diagnosticListener)); |
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if (out == null) |
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context.put(Log.outKey, new PrintWriter(System.err, true)); |
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else |
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context.put(Log.outKey, new PrintWriter(out, true)); |
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if (fileManager == null) |
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fileManager = getStandardFileManager(diagnosticListener, null, null); |
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fileManager = ccw.wrap(fileManager); |
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context.put(JavaFileManager.class, fileManager); |
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Arguments args = Arguments.instance(context); |
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args.init("javac", options, classes, compilationUnits); |
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return new JavacTaskImpl(context); |
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} catch (PropagatedException ex) { |
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throw ex.getCause(); |
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} catch (ClientCodeException ex) { |
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throw new RuntimeException(ex.getCause()); |
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} |
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} |
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@Override @DefinedBy(Api.COMPILER) |
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public int run(InputStream in, OutputStream out, OutputStream err, String... arguments) { |
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if (err == null) |
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err = System.err; |
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for (String argument : arguments) |
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argument.getClass(); // null check |
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return com.sun.tools.javac.Main.compile(arguments, new PrintWriter(err, true)); |
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} |
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@Override @DefinedBy(Api.COMPILER) |
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public Set<SourceVersion> getSourceVersions() { |
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return Collections.unmodifiableSet(EnumSet.range(SourceVersion.RELEASE_3, |
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SourceVersion.latest())); |
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} |
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@Override @DefinedBy(Api.COMPILER) |
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public int isSupportedOption(String option) { |
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Set<Option> recognizedOptions = Option.getJavacToolOptions(); |
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for (Option o : recognizedOptions) { |
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if (o.matches(option)) |
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return o.hasArg() ? 1 : 0; |
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} |
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return -1; |
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} |
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} |