author | alanb |
Thu, 01 Dec 2016 09:02:42 +0000 | |
changeset 42407 | f3702cff2933 |
parent 40596 | 43b19b36e8e6 |
permissions | -rw-r--r-- |
40596 | 1 |
/* |
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* Copyright (c) 2016, 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.jdeprscan; |
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import java.util.ArrayList; |
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import java.util.Collection; |
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import java.util.Comparator; |
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import java.util.HashMap; |
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import java.util.HashSet; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Set; |
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import javax.annotation.processing.AbstractProcessor; |
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import javax.annotation.processing.Messager; |
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import javax.annotation.processing.ProcessingEnvironment; |
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import javax.annotation.processing.RoundEnvironment; |
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import javax.annotation.processing.SupportedAnnotationTypes; |
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import javax.annotation.processing.SupportedSourceVersion; |
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import javax.lang.model.element.ModuleElement; |
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import javax.lang.model.element.TypeElement; |
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import javax.lang.model.util.Elements; |
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import static javax.lang.model.SourceVersion.RELEASE_9; |
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import javax.lang.model.element.Element; |
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import javax.lang.model.element.ElementKind; |
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import javax.lang.model.element.Modifier; |
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import javax.lang.model.element.PackageElement; |
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import javax.tools.Diagnostic; |
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@SupportedSourceVersion(RELEASE_9) |
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@SupportedAnnotationTypes("*") |
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public class TraverseProc extends AbstractProcessor { |
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Elements elements; |
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Messager messager; |
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final List<String> moduleRoots; |
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Map<PackageElement, List<TypeElement>> publicTypes; |
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TraverseProc(List<String> roots) { |
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moduleRoots = roots; |
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} |
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@Override |
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public void init(ProcessingEnvironment pe) { |
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super.init(pe); |
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elements = pe.getElementUtils(); |
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messager = pe.getMessager(); |
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} |
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@Override |
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public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { |
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if (roundEnv.processingOver()) { |
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return false; |
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} |
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Set<ModuleElement> modules = new HashSet<>(); |
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for (String mname : moduleRoots) { |
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ModuleElement me = elements.getModuleElement(mname); |
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if (me == null) { |
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messager.printMessage(Diagnostic.Kind.ERROR, |
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String.format("module %s not found%n", mname)); |
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} else { |
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modules.addAll(findModules(me)); |
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} |
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} |
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Set<PackageElement> packages = findPackages(modules); |
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publicTypes = findPublicTypes(packages); |
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return true; |
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} |
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void printPublicTypes() { |
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printPublicTypes(publicTypes); |
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} |
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public Map<PackageElement, List<TypeElement>> getPublicTypes() { |
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return publicTypes; |
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} |
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void printPublicTypes(Map<PackageElement, List<TypeElement>> types) { |
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System.out.println("All public types:"); |
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types.entrySet().stream() |
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.sorted(Comparator.comparing(e -> e.getKey().toString())) |
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.forEach(e -> { |
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System.out.println(" " + e.getKey()); |
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e.getValue().stream() |
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.sorted(Comparator.comparing(TypeElement::toString)) |
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.forEach(t -> System.out.println(" " + t)); |
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}); |
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System.out.println(); |
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System.out.flush(); |
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} |
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Set<ModuleElement> findModules(ModuleElement root) { |
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return findModules0(root, new HashSet<>(), 0); |
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} |
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Set<ModuleElement> findModules0(ModuleElement m, Set<ModuleElement> set, int nesting) { |
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set.add(m); |
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for (ModuleElement.Directive dir : m.getDirectives()) { |
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if (dir.getKind() == ModuleElement.DirectiveKind.REQUIRES) { |
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ModuleElement.RequiresDirective req = (ModuleElement.RequiresDirective)dir; |
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findModules0(req.getDependency(), set, nesting + 1); |
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} |
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} |
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return set; |
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} |
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Set<PackageElement> findPackages(Collection<ModuleElement> mods) { |
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Set<PackageElement> set = new HashSet<>(); |
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for (ModuleElement m : mods) { |
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for (ModuleElement.Directive dir : m.getDirectives()) { |
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42407
f3702cff2933
8169069: Module system implementation refresh (11/2016)
alanb
parents:
40596
diff
changeset
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if (dir.getKind() == ModuleElement.DirectiveKind.EXPORTS) { //XXX |
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ModuleElement.ExportsDirective exp = (ModuleElement.ExportsDirective)dir; |
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if (exp.getTargetModules() == null) { |
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set.add(exp.getPackage()); |
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} |
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} |
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} |
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} |
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return set; |
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} |
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Map<PackageElement, List<TypeElement>> findPublicTypes(Collection<PackageElement> pkgs) { |
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Map<PackageElement, List<TypeElement>> map = new HashMap<>(); |
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for (PackageElement pkg : pkgs) { |
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List<TypeElement> enclosed = new ArrayList<>(); |
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for (Element e : pkg.getEnclosedElements()) { |
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addPublicTypes(enclosed, e); |
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} |
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map.put(pkg, enclosed); |
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} |
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return map; |
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} |
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void addPublicTypes(List<TypeElement> list, Element e) { |
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ElementKind kind = e.getKind(); |
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if ((kind.isClass() || kind.isInterface()) |
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&& e.getModifiers().contains(Modifier.PUBLIC)) { |
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list.add((TypeElement)e); |
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for (Element enc : e.getEnclosedElements()) { |
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addPublicTypes(list, enc); |
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} |
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} |
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} |
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} |