| /* |
| * Copyright (c) 2010, 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 6930507 |
| * @summary Symbols for anonymous and local classes made too late for use by java tree API |
| * @modules jdk.compiler |
| */ |
| |
| import java.io.*; |
| import java.util.*; |
| import javax.annotation.processing.*; |
| import javax.lang.model.SourceVersion; |
| import javax.lang.model.element.*; |
| import javax.tools.Diagnostic; |
| import static javax.lang.model.util.ElementFilter.*; |
| |
| import com.sun.source.tree.*; |
| import com.sun.source.util.*; |
| |
| @SupportedOptions({"test", "last"}) |
| @SupportedAnnotationTypes("*") |
| public class TestGetElement extends AbstractProcessor { |
| public static void main(String... args) throws Exception { |
| new TestGetElement().run(); |
| } |
| |
| public TestGetElement() { } |
| |
| public void run() throws Exception { |
| final String testSrc = System.getProperty("test.src"); |
| final String testClasses = System.getProperty("test.classes"); |
| final String myClassName = getClass().getName(); |
| final String mySrc = new File(testSrc, myClassName + ".java").getPath(); |
| |
| final int NUM_TESTS = 90; // #decls in this source file |
| for (int i = 1; i <= NUM_TESTS; i++) { |
| System.err.println("test " + i); |
| File testDir = new File("test" + i); |
| File classesDir = new File(testDir, "classes"); |
| classesDir.mkdirs(); |
| String[] args = { |
| "-d", classesDir.getPath(), |
| "-processorpath", testClasses, |
| "-processor", myClassName, |
| "-proc:only", |
| "-Atest=" + i, |
| "-Alast=" + (i == NUM_TESTS), |
| mySrc |
| }; |
| |
| // System.err.println("compile: " + Arrays.asList(args)); |
| |
| StringWriter sw = new StringWriter(); |
| PrintWriter pw = new PrintWriter(sw); |
| int rc = com.sun.tools.javac.Main.compile(args, pw); |
| pw.close(); |
| String out = sw.toString(); |
| if (out != null) |
| System.err.println(out); |
| if (rc != 0) { |
| System.err.println("compilation failed: rc=" + rc); |
| errors++; |
| } |
| } |
| |
| if (errors > 0) |
| throw new Exception(errors + " errors occurred"); |
| } |
| |
| |
| int errors; |
| |
| public boolean process(Set<? extends TypeElement> annotations, |
| RoundEnvironment roundEnvironment) |
| { |
| if (roundEnvironment.processingOver()) |
| return true; |
| |
| Map<String,String> options = processingEnv.getOptions(); |
| int test = Integer.parseInt(options.get("test")); |
| boolean _last = Boolean.parseBoolean(options.get("last")); |
| |
| Trees trees = Trees.instance(processingEnv); |
| Scanner scanner = new Scanner(trees, _last); |
| int nelems = 0; |
| for (TypeElement e : typesIn(roundEnvironment.getRootElements())) { |
| nelems += scanner.scan(trees.getPath(e), test); |
| } |
| |
| Messager m = processingEnv.getMessager(); |
| int EXPECT = 1; |
| if (nelems != EXPECT) { |
| m.printMessage(Diagnostic.Kind.ERROR, |
| "Unexpected number of elements found: " + nelems + " expected: " + EXPECT); |
| } |
| return true; |
| } |
| |
| @Override |
| public SourceVersion getSupportedSourceVersion() { |
| return SourceVersion.latest(); |
| } |
| |
| class Scanner extends TreePathScanner<Integer,Integer> { |
| final Trees trees; |
| final boolean last; |
| int count; |
| |
| Scanner(Trees trees, boolean last) { |
| this.trees = trees; |
| this.last = last; |
| } |
| |
| @Override |
| public Integer visitClass(ClassTree tree, Integer test) { |
| return reduce(check(test), super.visitClass(tree, test)); |
| } |
| |
| @Override |
| public Integer visitMethod(MethodTree tree, Integer test) { |
| return reduce(check(test), super.visitMethod(tree, test)); |
| } |
| |
| @Override |
| public Integer visitVariable(VariableTree tree, Integer test) { |
| return reduce(check(test), super.visitVariable(tree, test)); |
| } |
| |
| @Override |
| public Integer reduce(Integer i1, Integer i2) { |
| if (i1 == null || i1.intValue() == 0) |
| return i2; |
| if (i2 == null || i2.intValue() == 0) |
| return i1; |
| return (i1 + i2); |
| } |
| |
| int check(int test) { |
| count++; |
| |
| if (count != test) |
| return 0; |
| |
| TreePath p = getCurrentPath(); |
| Element e = trees.getElement(p); |
| |
| String text = p.getLeaf().toString().replaceAll("\\s+", " ").trim(); |
| int MAXLEN = 40; |
| if (text.length() > MAXLEN) |
| text = text.substring(0, MAXLEN - 3) + "..."; |
| |
| System.err.println(String.format("%3d: %-" + MAXLEN + "s -- %s", |
| count, text, |
| (e == null ? "null" : e.getKind() + " " + e))); |
| |
| Messager m = processingEnv.getMessager(); |
| if (e == null) { |
| m.printMessage(Diagnostic.Kind.ERROR, "Null element found for " + text); |
| return 0; |
| } |
| |
| if (last && !e.getSimpleName().contentEquals("last")) { |
| m.printMessage(Diagnostic.Kind.ERROR, "Unexpected name in last test: " |
| + e.getSimpleName() + ", expected: last"); |
| } |
| |
| return 1; |
| } |
| } |
| |
| // following are all fodder for the test |
| |
| class MemberClass { |
| class NestedMemberClass { } |
| } |
| |
| { |
| class InnerClassInInit { } |
| Object o = new Object() { }; |
| } |
| |
| TestGetElement(TestGetElement unused) { |
| class InnerClassInConstr { } |
| Object o = new Object() { }; |
| } |
| |
| void m() { |
| class InnerClassInMethod { } |
| Object o = new Object() { }; |
| |
| class C { |
| class MemberClass { |
| class NestedMemberClass { } |
| } |
| |
| { |
| class InnerClassInInit { } |
| Object o = new Object() { }; |
| } |
| |
| C(Object unused) { |
| class InnerClassInConstr { } |
| Object o = new Object() { }; |
| } |
| |
| void m() { |
| class InnerClassInMethod { } |
| Object o = new Object() { }; |
| } |
| } |
| } |
| |
| int last; // this name is verified by the test to make sure that all decls are checked |
| } |