| /* |
| * Copyright (c) 2014, 2015, 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. |
| * |
| * 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. |
| */ |
| |
| /** |
| * @test |
| * @bug 7101822 |
| * @summary Verify that the processing of classes in TypeEnter runs in the correct order. |
| * @library /tools/lib |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.code |
| * jdk.compiler/com.sun.tools.javac.file |
| * jdk.compiler/com.sun.tools.javac.tree |
| * jdk.compiler/com.sun.tools.javac.util |
| * @build annotations.TriggersComplete annotations.TriggersCompleteRepeat annotations.Phase |
| * @build DependenciesTest |
| * @run main DependenciesTest |
| */ |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.Stack; |
| import java.util.stream.Stream; |
| |
| import javax.lang.model.element.AnnotationMirror; |
| import javax.lang.model.element.AnnotationValue; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.ExecutableElement; |
| import javax.lang.model.element.Name; |
| import javax.lang.model.element.TypeElement; |
| import javax.lang.model.type.DeclaredType; |
| import javax.lang.model.type.TypeMirror; |
| import javax.lang.model.util.Elements; |
| import javax.tools.JavaFileObject; |
| import javax.tools.SimpleJavaFileObject; |
| |
| import annotations.*; |
| import com.sun.source.tree.AnnotationTree; |
| |
| import com.sun.source.tree.ClassTree; |
| import com.sun.source.tree.CompilationUnitTree; |
| import com.sun.source.tree.ImportTree; |
| import com.sun.source.tree.Tree; |
| import com.sun.source.util.JavacTask; |
| import com.sun.source.util.SourcePositions; |
| import com.sun.source.util.TreePathScanner; |
| import com.sun.source.util.Trees; |
| import com.sun.tools.javac.api.JavacTool; |
| import com.sun.tools.javac.api.JavacTrees; |
| import com.sun.tools.javac.code.Symbol.ClassSymbol; |
| import com.sun.tools.javac.file.JavacFileManager; |
| import com.sun.tools.javac.tree.JCTree; |
| import com.sun.tools.javac.util.Context; |
| import com.sun.tools.javac.util.Context.Factory; |
| import com.sun.tools.javac.util.Dependencies; |
| |
| |
| public class DependenciesTest { |
| public static void main(String... args) throws IOException { |
| new DependenciesTest().run(); |
| } |
| |
| void run() throws IOException { |
| Path src = Paths.get(System.getProperty("test.src"), "tests"); |
| |
| try (Stream<Path> tests = Files.list(src)) { |
| tests.map(p -> Files.isRegularFile(p) ? Stream.of(p) : silentWalk(p)) |
| .forEach(this :: runTest); |
| } |
| } |
| |
| Stream<Path> silentWalk(Path src) { |
| try { |
| return Files.walk(src).filter(Files :: isRegularFile); |
| } catch (IOException ex) { |
| throw new IllegalStateException(ex); |
| } |
| } |
| |
| void runTest(Stream<Path> inputs) { |
| JavacTool tool = JavacTool.create(); |
| try (JavacFileManager fm = tool.getStandardFileManager(null, null, null)) { |
| Path classes = Paths.get(System.getProperty("test.classes")); |
| Iterable<? extends JavaFileObject> reconFiles = |
| fm.getJavaFileObjectsFromFiles(inputs.sorted().map(p -> p.toFile()) :: iterator); |
| List<String> options = Arrays.asList("-classpath", classes.toAbsolutePath().toString()); |
| JavacTask reconTask = tool.getTask(null, fm, null, options, null, reconFiles); |
| Iterable<? extends CompilationUnitTree> reconUnits = reconTask.parse(); |
| JavacTrees reconTrees = JavacTrees.instance(reconTask); |
| SearchAnnotations scanner = new SearchAnnotations(reconTrees, |
| reconTask.getElements()); |
| List<JavaFileObject> validateFiles = new ArrayList<>(); |
| |
| reconTask.analyze(); |
| scanner.scan(reconUnits, null); |
| |
| for (CompilationUnitTree cut : reconUnits) { |
| validateFiles.add(ClearAnnotations.clearAnnotations(reconTrees, cut)); |
| } |
| |
| Context validateContext = new Context(); |
| TestDependencies.preRegister(validateContext); |
| JavacTask validateTask = |
| tool.getTask(null, fm, null, options, null, validateFiles, validateContext); |
| |
| validateTask.analyze(); |
| |
| TestDependencies deps = (TestDependencies) Dependencies.instance(validateContext); |
| |
| if (!scanner.topLevel2Expected.equals(deps.topLevel2Completing)) { |
| throw new IllegalStateException( "expected=" + scanner.topLevel2Expected + |
| "; actual=" + deps.topLevel2Completing); |
| } |
| } catch (IOException ex) { |
| throw new IllegalStateException(ex); |
| } finally { |
| inputs.close(); |
| } |
| } |
| |
| static final class TestDependencies extends Dependencies { |
| |
| public static void preRegister(Context context) { |
| context.put(dependenciesKey, (Factory<Dependencies>) TestDependencies :: new); |
| } |
| |
| public TestDependencies(Context context) { |
| super(context); |
| } |
| |
| final Stack<PhaseDescription> inProcess = new Stack<>(); |
| |
| String topLevelMemberEnter; |
| Map<String, Set<PhaseDescription>> topLevel2Completing = new HashMap<>(); |
| |
| @Override |
| public void push(ClassSymbol s, CompletionCause phase) { |
| String flatname = s.flatName().toString(); |
| for (Phase p : Phase.values()) { |
| if (phase == p.cause) { |
| inProcess.push(new PhaseDescription(flatname, p)); |
| return ; |
| } |
| } |
| if (phase == CompletionCause.MEMBER_ENTER) { |
| if (inProcess.isEmpty()) { |
| topLevelMemberEnter = flatname; |
| } else { |
| for (PhaseDescription running : inProcess) { |
| if (running == null) |
| continue; |
| |
| Set<PhaseDescription> completing = |
| topLevel2Completing.computeIfAbsent(running.flatname, $ -> new HashSet<>()); |
| |
| completing.add(new PhaseDescription(flatname, running.phase)); |
| } |
| } |
| } |
| inProcess.push(null); |
| } |
| |
| @Override |
| public void pop() { |
| inProcess.pop(); |
| } |
| |
| } |
| |
| static final class SearchAnnotations extends TreePathScanner<Void, Void> { |
| final Trees trees; |
| final Elements elements; |
| final TypeElement triggersCompleteAnnotation; |
| final TypeElement triggersCompleteRepeatAnnotation; |
| final Map<String, Set<PhaseDescription>> topLevel2Expected = |
| new HashMap<>(); |
| |
| public SearchAnnotations(Trees trees, Elements elements) { |
| this.trees = trees; |
| this.elements = elements; |
| this.triggersCompleteAnnotation = |
| elements.getTypeElement(TriggersComplete.class.getName()); |
| this.triggersCompleteRepeatAnnotation = |
| elements.getTypeElement(TriggersCompleteRepeat.class.getName()); |
| } |
| |
| @Override |
| public Void visitClass(ClassTree node, Void p) { |
| TypeElement te = (TypeElement) trees.getElement(getCurrentPath()); |
| Set<PhaseDescription> expected = new HashSet<>(); |
| |
| for (AnnotationMirror am : getTriggersCompleteAnnotation(te)) { |
| TypeMirror of = (TypeMirror) findAttribute(am, "of").getValue(); |
| Name ofName = elements.getBinaryName((TypeElement) ((DeclaredType) of).asElement()); |
| Element at = (Element) findAttribute(am, "at").getValue(); |
| Phase phase = Phase.valueOf(at.getSimpleName().toString()); |
| expected.add(new PhaseDescription(ofName.toString(), phase)); |
| } |
| |
| if (!expected.isEmpty()) |
| topLevel2Expected.put(elements.getBinaryName(te).toString(), expected); |
| |
| return super.visitClass(node, p); |
| } |
| |
| Collection<AnnotationMirror> getTriggersCompleteAnnotation(TypeElement te) { |
| for (AnnotationMirror am : te.getAnnotationMirrors()) { |
| if (triggersCompleteAnnotation.equals(am.getAnnotationType().asElement())) { |
| return Collections.singletonList(am); |
| } |
| if (triggersCompleteRepeatAnnotation.equals(am.getAnnotationType().asElement())) { |
| return (Collection<AnnotationMirror>) findAttribute(am, "value").getValue(); |
| } |
| } |
| return Collections.emptyList(); |
| } |
| |
| AnnotationValue findAttribute(AnnotationMirror mirror, String name) { |
| for (Entry<? extends ExecutableElement, ? extends AnnotationValue> e : |
| mirror.getElementValues().entrySet()) { |
| if (e.getKey().getSimpleName().contentEquals(name)) { |
| return e.getValue(); |
| } |
| } |
| |
| throw new IllegalStateException("Could not find " + name + " in " + mirror); |
| } |
| } |
| |
| static final class ClearAnnotations extends TreePathScanner<Void, Void> { |
| final SourcePositions positions; |
| final List<int[]> spans2Clear = new ArrayList<>(); |
| |
| ClearAnnotations(Trees trees) { |
| this.positions = trees.getSourcePositions(); |
| } |
| |
| @Override |
| public Void visitAnnotation(AnnotationTree node, Void p) { |
| removeCurrentNode(); |
| return null; |
| } |
| |
| @Override |
| public Void visitImport(ImportTree node, Void p) { |
| if (node.getQualifiedIdentifier().toString().startsWith("annotations.")) { |
| removeCurrentNode(); |
| return null; |
| } |
| return super.visitImport(node, p); |
| } |
| |
| void removeCurrentNode() { |
| CompilationUnitTree topLevel = getCurrentPath().getCompilationUnit(); |
| Tree node = getCurrentPath().getLeaf(); |
| spans2Clear.add(new int[] {(int) positions.getStartPosition(topLevel, node), |
| (int) positions.getEndPosition(topLevel, node)}); |
| } |
| |
| static JavaFileObject clearAnnotations(Trees trees, CompilationUnitTree cut) |
| throws IOException { |
| ClearAnnotations a = new ClearAnnotations(trees); |
| a.scan(cut, null); |
| Collections.sort(a.spans2Clear, (s1, s2) -> s2[0] - s1[0]); |
| StringBuilder result = new StringBuilder(cut.getSourceFile().getCharContent(true)); |
| for (int[] toClear : a.spans2Clear) { |
| result.delete(toClear[0], toClear[1]); |
| } |
| return new TestJavaFileObject(cut.getSourceFile().toUri(), result.toString()); |
| } |
| |
| } |
| |
| static final class PhaseDescription { |
| final String flatname; |
| final Phase phase; |
| |
| public PhaseDescription(String flatname, Phase phase) { |
| this.flatname = flatname; |
| this.phase = phase; |
| } |
| |
| @Override |
| public String toString() { |
| return "@annotations.TriggersComplete(of=" + flatname + ".class," + |
| "at=annotations.Phase." + phase + ')'; |
| } |
| |
| @Override |
| public int hashCode() { |
| int hash = 7; |
| hash = 89 * hash + Objects.hashCode(this.flatname); |
| hash = 89 * hash + Objects.hashCode(this.phase); |
| return hash; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| final PhaseDescription other = (PhaseDescription) obj; |
| if (!Objects.equals(this.flatname, other.flatname)) { |
| return false; |
| } |
| if (this.phase != other.phase) { |
| return false; |
| } |
| return true; |
| } |
| |
| } |
| |
| static final class TestJavaFileObject extends SimpleJavaFileObject { |
| private final String content; |
| |
| public TestJavaFileObject(URI uri, String content) { |
| super(uri, Kind.SOURCE); |
| this.content = content; |
| } |
| |
| @Override |
| public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException { |
| return content; |
| } |
| |
| } |
| } |
| |
| |