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136 changes: 136 additions & 0 deletions
136
make/langtools/src/classes/build/tools/symbolgenerator/JavadocElementList.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| /* | ||
| * Copyright (c) 2017, 2018, 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 build.tools.symbolgenerator; | ||
|
|
||
| import java.io.IOException; | ||
| import java.io.PrintWriter; | ||
| import java.io.Writer; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.nio.file.Paths; | ||
| import java.util.ArrayDeque; | ||
| import java.util.Arrays; | ||
| import java.util.Deque; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| import javax.lang.model.element.ModuleElement.ExportsDirective; | ||
| import javax.lang.model.util.Elements; | ||
| import javax.tools.JavaCompiler; | ||
|
|
||
| import com.sun.tools.javac.api.JavacTaskImpl; | ||
| import com.sun.tools.javac.api.JavacTool; | ||
| import com.sun.tools.javac.code.Source; | ||
| import com.sun.tools.javac.code.Symbol.ModuleSymbol; | ||
| import com.sun.tools.javac.jvm.Target; | ||
| import java.util.Map; | ||
| import java.util.Map.Entry; | ||
| import java.util.TreeMap; | ||
| import java.util.TreeSet; | ||
| import javax.lang.model.element.ModuleElement; | ||
|
|
||
| /** | ||
| * Generate list of modules and packages in the current release. | ||
| * Used by the javadoc tool. | ||
| */ | ||
| public class JavadocElementList { | ||
|
|
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| private static void help() { | ||
| System.err.println("java JavadocElementList <target-file> <module-source-path> <root-modules>"); | ||
| } | ||
|
|
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| public static void main(String... args) throws IOException { | ||
| if (args.length < 2) { | ||
| help(); | ||
| return ; | ||
| } | ||
|
|
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| JavaCompiler compiler = JavacTool.create(); | ||
| List<String> options = List.of("-source", Source.DEFAULT.name, | ||
| "-target", Target.DEFAULT.name, | ||
| "-proc:only", | ||
| "--system", "none", | ||
| "--module-source-path", args[1], | ||
| "--add-modules", Arrays.stream(args) | ||
| .skip(2) | ||
| .collect(Collectors.joining(","))); | ||
| List<String> jlObjectList = List.of("java.lang.Object"); | ||
| JavacTaskImpl task = (JavacTaskImpl) compiler.getTask(null, null, null, options, jlObjectList, null); | ||
| task.enter(); | ||
| Elements elements = task.getElements(); | ||
| Deque<String> todo = new ArrayDeque<>(); | ||
| Arrays.stream(args).skip(2).forEach(todo::add); | ||
|
|
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| todo.add("java.base"); | ||
|
|
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| Map<String, Set<String>> modulesAndExports = new TreeMap<>(); | ||
|
|
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| while (!todo.isEmpty()) { | ||
| String current = todo.removeFirst(); | ||
|
|
||
| if (modulesAndExports.containsKey(current)) | ||
| continue; | ||
|
|
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| ModuleSymbol mod = (ModuleSymbol) elements.getModuleElement(current); | ||
|
|
||
| if (mod == null) { | ||
| throw new IllegalStateException("Missing: " + current); | ||
| } | ||
|
|
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| //use the internal structure to avoid unnecesarily completing the symbol using the UsesProvidesVisitor: | ||
| modulesAndExports.put(mod.getQualifiedName().toString(), | ||
| mod.exports | ||
| .stream() | ||
| .filter((ExportsDirective ed) -> ed.getTargetModules() == null) | ||
| .map((ExportsDirective ed) -> ed.getPackage().getQualifiedName().toString()) | ||
| .collect(Collectors.toCollection(() -> new TreeSet<>())) | ||
| ); | ||
| for (ModuleElement.RequiresDirective rd : mod.requires) { | ||
| if (rd.isTransitive()) { | ||
| todo.offerLast(rd.getDependency().getQualifiedName().toString()); | ||
| } | ||
| } | ||
| } | ||
|
|
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| Path targetFile = Paths.get(args[0]); | ||
|
|
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| Files.createDirectories(targetFile.getParent()); | ||
|
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| try (Writer w = Files.newBufferedWriter(targetFile); | ||
| PrintWriter out = new PrintWriter(w)) { | ||
| for (Entry<String, Set<String>> moduleAndExports : modulesAndExports.entrySet()) { | ||
| out.write("module:" + moduleAndExports.getKey()); | ||
| out.write("\n"); | ||
| for (String pack : moduleAndExports.getValue()) { | ||
| out.write(pack); | ||
| out.write("\n"); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| } |
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