aoqi@0: /*
aoqi@0:  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug 6930507
aoqi@0:  * @summary Symbols for anonymous and local classes made too late for use by java tree API
aoqi@0:  */
aoqi@0: 
aoqi@0: import java.io.*;
aoqi@0: import java.util.*;
aoqi@0: import javax.annotation.processing.*;
aoqi@0: import javax.lang.model.SourceVersion;
aoqi@0: import javax.lang.model.element.*;
aoqi@0: import javax.tools.Diagnostic;
aoqi@0: import static javax.lang.model.util.ElementFilter.*;
aoqi@0: 
aoqi@0: import com.sun.source.tree.*;
aoqi@0: import com.sun.source.util.*;
aoqi@0: 
aoqi@0: @SupportedOptions({"test", "last"})
aoqi@0: @SupportedAnnotationTypes("*")
aoqi@0: public class TestGetElement extends AbstractProcessor {
aoqi@0:     public static void main(String... args) throws Exception {
aoqi@0:         new TestGetElement().run();
aoqi@0:     }
aoqi@0: 
aoqi@0:     public TestGetElement() { }
aoqi@0: 
aoqi@0:     public void run() throws Exception {
aoqi@0:         final String testSrc = System.getProperty("test.src");
aoqi@0:         final String testClasses = System.getProperty("test.classes");
aoqi@0:         final String myClassName = getClass().getName();
aoqi@0:         final String mySrc = new File(testSrc, myClassName + ".java").getPath();
aoqi@0: 
aoqi@0:         final int NUM_TESTS = 90; // #decls in this source file
aoqi@0:         for (int i = 1; i <= NUM_TESTS; i++) {
aoqi@0:             System.err.println("test " + i);
aoqi@0:             File testDir = new File("test" + i);
aoqi@0:             File classesDir = new File(testDir, "classes");
aoqi@0:             classesDir.mkdirs();
aoqi@0:             String[] args = {
aoqi@0:                 "-d", classesDir.getPath(),
aoqi@0:                 "-processorpath", testClasses,
aoqi@0:                 "-processor", myClassName,
aoqi@0:                 "-proc:only",
aoqi@0:                 "-Atest=" + i,
aoqi@0:                 "-Alast=" + (i == NUM_TESTS),
aoqi@0:                 mySrc
aoqi@0:             };
aoqi@0: 
aoqi@0: //            System.err.println("compile: " + Arrays.asList(args));
aoqi@0: 
aoqi@0:             StringWriter sw = new StringWriter();
aoqi@0:             PrintWriter pw = new PrintWriter(sw);
aoqi@0:             int rc = com.sun.tools.javac.Main.compile(args, pw);
aoqi@0:             pw.close();
aoqi@0:             String out = sw.toString();
aoqi@0:             if (out != null)
aoqi@0:                 System.err.println(out);
aoqi@0:             if (rc != 0) {
aoqi@0:                 System.err.println("compilation failed: rc=" + rc);
aoqi@0:                 errors++;
aoqi@0:             }
aoqi@0:         }
aoqi@0: 
aoqi@0:         if (errors > 0)
aoqi@0:             throw new Exception(errors + " errors occurred");
aoqi@0:     }
aoqi@0: 
aoqi@0: 
aoqi@0:     int errors;
aoqi@0: 
aoqi@0:     public boolean process(Set<? extends TypeElement> annotations,
aoqi@0:                            RoundEnvironment roundEnvironment)
aoqi@0:     {
aoqi@0:         if (roundEnvironment.processingOver())
aoqi@0:             return true;
aoqi@0: 
aoqi@0:         Map<String,String> options = processingEnv.getOptions();
aoqi@0:         int test = Integer.parseInt(options.get("test"));
aoqi@0:         boolean _last = Boolean.parseBoolean(options.get("last"));
aoqi@0: 
aoqi@0:         Trees trees = Trees.instance(processingEnv);
aoqi@0:         Scanner scanner = new Scanner(trees, _last);
aoqi@0:         int nelems = 0;
aoqi@0:         for (TypeElement e : typesIn(roundEnvironment.getRootElements())) {
aoqi@0:             nelems += scanner.scan(trees.getPath(e), test);
aoqi@0:         }
aoqi@0: 
aoqi@0:         Messager m = processingEnv.getMessager();
aoqi@0:         int EXPECT = 1;
aoqi@0:         if (nelems != EXPECT) {
aoqi@0:             m.printMessage(Diagnostic.Kind.ERROR,
aoqi@0:                     "Unexpected number of elements found: " + nelems + " expected: " + EXPECT);
aoqi@0:         }
aoqi@0:         return true;
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public SourceVersion getSupportedSourceVersion() {
aoqi@0:         return SourceVersion.latest();
aoqi@0:     }
aoqi@0: 
aoqi@0:     class Scanner extends TreePathScanner<Integer,Integer> {
aoqi@0:         final Trees trees;
aoqi@0:         final boolean last;
aoqi@0:         int count;
aoqi@0: 
aoqi@0:         Scanner(Trees trees, boolean last) {
aoqi@0:             this.trees = trees;
aoqi@0:             this.last = last;
aoqi@0:         }
aoqi@0: 
aoqi@0:         @Override
aoqi@0:         public Integer visitClass(ClassTree tree, Integer test) {
aoqi@0:             return reduce(check(test), super.visitClass(tree, test));
aoqi@0:         }
aoqi@0: 
aoqi@0:         @Override
aoqi@0:         public Integer visitMethod(MethodTree tree, Integer test) {
aoqi@0:             return reduce(check(test), super.visitMethod(tree, test));
aoqi@0:         }
aoqi@0: 
aoqi@0:         @Override
aoqi@0:         public Integer visitVariable(VariableTree tree, Integer test) {
aoqi@0:             return reduce(check(test), super.visitVariable(tree, test));
aoqi@0:         }
aoqi@0: 
aoqi@0:         @Override
aoqi@0:         public Integer reduce(Integer i1, Integer i2) {
aoqi@0:             if (i1 == null || i1.intValue() == 0)
aoqi@0:                 return i2;
aoqi@0:             if (i2 == null || i2.intValue() == 0)
aoqi@0:                 return i1;
aoqi@0:             return (i1 + i2);
aoqi@0:         }
aoqi@0: 
aoqi@0:         int check(int test) {
aoqi@0:             count++;
aoqi@0: 
aoqi@0:             if (count != test)
aoqi@0:                 return 0;
aoqi@0: 
aoqi@0:             TreePath p = getCurrentPath();
aoqi@0:             Element e = trees.getElement(p);
aoqi@0: 
aoqi@0:             String text = p.getLeaf().toString().replaceAll("\\s+", " ").trim();
aoqi@0:             int MAXLEN = 40;
aoqi@0:             if (text.length() > MAXLEN)
aoqi@0:                 text = text.substring(0, MAXLEN - 3) + "...";
aoqi@0: 
aoqi@0:             System.err.println(String.format("%3d: %-" + MAXLEN + "s -- %s",
aoqi@0:                     count, text,
aoqi@0:                     (e == null ? "null" : e.getKind() + " " + e)));
aoqi@0: 
aoqi@0:             Messager m = processingEnv.getMessager();
aoqi@0:             if (e == null) {
aoqi@0:                 m.printMessage(Diagnostic.Kind.ERROR, "Null element found for " + text);
aoqi@0:                 return 0;
aoqi@0:             }
aoqi@0: 
aoqi@0:             if (last && !e.getSimpleName().contentEquals("last")) {
aoqi@0:                 m.printMessage(Diagnostic.Kind.ERROR, "Unexpected name in last test: "
aoqi@0:                         + e.getSimpleName() + ", expected: last");
aoqi@0:             }
aoqi@0: 
aoqi@0:             return 1;
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     // following are all fodder for the test
aoqi@0: 
aoqi@0:     class MemberClass {
aoqi@0:         class NestedMemberClass { }
aoqi@0:     }
aoqi@0: 
aoqi@0:     {
aoqi@0:         class InnerClassInInit { }
aoqi@0:         Object o = new Object() { };
aoqi@0:     }
aoqi@0: 
aoqi@0:     TestGetElement(TestGetElement unused) {
aoqi@0:         class InnerClassInConstr { }
aoqi@0:         Object o = new Object() { };
aoqi@0:     }
aoqi@0: 
aoqi@0:     void m() {
aoqi@0:         class InnerClassInMethod { }
aoqi@0:         Object o = new Object() { };
aoqi@0: 
aoqi@0:         class C {
aoqi@0:             class MemberClass {
aoqi@0:                 class NestedMemberClass { }
aoqi@0:             }
aoqi@0: 
aoqi@0:             {
aoqi@0:                 class InnerClassInInit { }
aoqi@0:                 Object o = new Object() { };
aoqi@0:             }
aoqi@0: 
aoqi@0:             C(Object unused) {
aoqi@0:                 class InnerClassInConstr { }
aoqi@0:                 Object o = new Object() { };
aoqi@0:             }
aoqi@0: 
aoqi@0:             void m() {
aoqi@0:                 class InnerClassInMethod { }
aoqi@0:                 Object o = new Object() { };
aoqi@0:             }
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     int last; // this name is verified by the test to make sure that all decls are checked
aoqi@0: }