jdk8-mips64-public/langtools: test/tools/javac/processing/model/element/TestMissingElement/TestMissingElement.java@307b065ff2af (annotated)

test/tools/javac/processing/model/element/TestMissingElement/TestMissingElement.java@307b065ff2af (annotated)

test/tools/javac/processing/model/element/TestMissingElement/TestMissingElement.java

Mon, 14 Mar 2011 11:33:33 -0700

author: jjg
date: Mon, 14 Mar 2011 11:33:33 -0700
changeset 928: 307b065ff2af
parent 904: 4baab658f357
child 1054: 111bbf1ad913
permissions: -rw-r--r--

7026414: Types.asElement() returns null for ErrorType
Reviewed-by: darcy

 /*
  * Copyright (c) 2011, 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 6639645 7026414
  * @summary Modeling type implementing missing interfaces
  * @library ../../../../lib
  * @build JavacTestingAbstractProcessor TestMissingElement
  * @compile -proc:only -XprintRounds -processor TestMissingElement InvalidSource.java
  */
 import java.util.*;
 import javax.annotation.processing.*;
 import javax.lang.model.element.*;
 import javax.lang.model.type.*;
 import javax.lang.model.util.*;
 import static javax.tools.Diagnostic.Kind.*;
 public class TestMissingElement extends JavacTestingAbstractProcessor {
     @Override
     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
         for (TypeElement te: ElementFilter.typesIn(roundEnv.getRootElements())) {
             if (isSimpleName(te, "InvalidSource")) {
                 for (Element c: te.getEnclosedElements()) {
                     for (AnnotationMirror am: c.getAnnotationMirrors()) {
                         Element ate = am.getAnnotationType().asElement();
                         if (isSimpleName(ate, "ExpectInterfaces")) {
                             checkInterfaces((TypeElement) c, getValue(am));
                         } else if (isSimpleName(ate, "ExpectSupertype")) {
                             checkSupertype((TypeElement) c, getValue(am));
                         }
                     }
                 }
             }
         }
         return true;
     }
     private boolean isSimpleName(Element e, String name) {
         return e.getSimpleName().contentEquals(name);
     }
     private String getValue(AnnotationMirror am) {
         Map<? extends ExecutableElement, ? extends AnnotationValue> map = am.getElementValues();
         if (map.size() != 1) throw new IllegalArgumentException();
         AnnotationValue v = map.values().iterator().next();
         return (String) v.getValue();
     }
     private void checkInterfaces(TypeElement te, String expect) {
         System.err.println("check interfaces: " + te + " -- " + expect);
         String found = asString(te.getInterfaces(), ", ");
         checkEqual("interfaces", te, found, expect);
     }
     private void checkSupertype(TypeElement te, String expect) {
         System.err.println("check supertype: " + te + " -- " + expect);
         String found = asString(te.getSuperclass());
         checkEqual("supertype", te, found, expect);
     }
     private void checkEqual(String label, TypeElement te, String found, String expect) {
         if (found.equals(expect)) {
 //            messager.printMessage(NOTE, "expected " + label + " found: " + expect, te);
         } else {
             System.err.println("unexpected " + label + ": " + te + "\n"
                     + " found: " + found + "\n"
                     + "expect: " + expect);
             messager.printMessage(ERROR, "unexpected " + label + " found: " + found + "; expected: " + expect, te);
         }
     }
     private String asString(List<? extends TypeMirror> ts, String sep) {
         StringBuilder sb = new StringBuilder();
         for (TypeMirror t: ts) {
             if (sb.length() != 0) sb.append(sep);
             sb.append(asString(t));
         }
         return sb.toString();
     }
     private String asString(TypeMirror t) {
         if (t == null)
             return "[typ:null]";
         return t.accept(new SimpleTypeVisitor7<String, Void>() {
             @Override
             public String defaultAction(TypeMirror t, Void ignore) {
                 return "[typ:" + t.toString() + "]";
             }
             @Override
             public String visitDeclared(DeclaredType t, Void ignore) {
                 checkEqual(t.asElement(), types.asElement(t));
                 String s = asString(t.asElement());
                 List<? extends TypeMirror> args = t.getTypeArguments();
                 if (!args.isEmpty())
                     s += "<" + asString(args, ",") + ">";
                 return s;
             }
             @Override
             public String visitTypeVariable(TypeVariable t, Void ignore) {
                 return "tvar " + t;
             }
             @Override
             public String visitError(ErrorType t, Void ignore) {
                 return "!:" + visitDeclared(t, ignore);
             }
         }, null);
     }
     private String asString(Element e) {
         if (e == null)
             return "[elt:null]";
         return e.accept(new SimpleElementVisitor7<String, Void>() {
             @Override
             public String defaultAction(Element e, Void ignore) {
                 return "[elt:" + e.getKind() + " " + e.toString() + "]";
             }
             @Override
             public String visitPackage(PackageElement e, Void ignore) {
                 return "pkg " + e.getQualifiedName();
             }
             @Override
             public String visitType(TypeElement e, Void ignore) {
                 StringBuilder sb = new StringBuilder();
                 if (e.getEnclosedElements().isEmpty())
                     sb.append("empty ");
                 ElementKind ek = e.getKind();
                 switch (ek) {
                     case CLASS:
                         sb.append("clss");
                         break;
                     case INTERFACE:
                         sb.append("intf");
                         break;
                     default:
                         sb.append(ek);
                         break;
                 }
                 sb.append(" ");
                 Element encl = e.getEnclosingElement();
                 if (!isUnnamedPackage(encl) && encl.asType().getKind() != TypeKind.NONE) {
                     sb.append("(");
                     sb.append(asString(encl));
                     sb.append(")");
                     sb.append(".");
                 }
                 sb.append(e.getSimpleName());
                 if (e.asType().getKind() == TypeKind.ERROR) sb.append("!");
                 return sb.toString();
             }
         }, null);
     }
     boolean isUnnamedPackage(Element e) {
         return (e != null && e.getKind() == ElementKind.PACKAGE
                 && ((PackageElement) e).isUnnamed());
     }
     void checkEqual(Element e1, Element e2) {
         if (e1 != e2) {
             throw new AssertionError("elements not equal as expected: "
                 + e1 + ", " + e2);
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/processing/model/element/TestMissingElement/TestMissingElement.java@307b065ff2af (annotated)

test/tools/javac/processing/model/element/TestMissingElement/TestMissingElement.java