| /* |
| * Copyright (c) 2013, 2016, 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. |
| */ |
| package jdk.vm.ci.runtime.test; |
| |
| import jdk.internal.misc.Unsafe; |
| import jdk.vm.ci.meta.ConstantReflectionProvider; |
| import jdk.vm.ci.meta.JavaConstant; |
| import jdk.vm.ci.meta.MetaAccessProvider; |
| import jdk.vm.ci.meta.ResolvedJavaField; |
| import jdk.vm.ci.meta.ResolvedJavaType; |
| import jdk.vm.ci.runtime.JVMCI; |
| import org.junit.Test; |
| |
| import java.io.Serializable; |
| import java.lang.reflect.Array; |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Method; |
| import java.util.AbstractCollection; |
| import java.util.AbstractList; |
| import java.util.ArrayDeque; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.IdentityHashMap; |
| import java.util.LinkedHashMap; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Queue; |
| import java.util.Set; |
| import java.util.TreeMap; |
| import java.util.stream.Collectors; |
| |
| import static java.lang.reflect.Modifier.isFinal; |
| import static java.lang.reflect.Modifier.isStatic; |
| |
| /** |
| * Context for type related tests. |
| */ |
| public class TypeUniverse { |
| |
| public static final Unsafe unsafe; |
| public static final double JAVA_VERSION = Double.valueOf(System.getProperty("java.specification.version")); |
| |
| public static final MetaAccessProvider metaAccess = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess(); |
| public static final ConstantReflectionProvider constantReflection = JVMCI.getRuntime().getHostJVMCIBackend().getConstantReflection(); |
| public static final Collection<Class<?>> classes = new HashSet<>(); |
| public static final Set<ResolvedJavaType> javaTypes; |
| public static final Map<Class<?>, Class<?>> arrayClasses = new HashMap<>(); |
| |
| private static List<ConstantValue> constants; |
| |
| public class InnerClass { |
| |
| } |
| |
| public static class InnerStaticClass { |
| |
| } |
| |
| public static final class InnerStaticFinalClass { |
| |
| } |
| |
| private class PrivateInnerClass { |
| |
| } |
| |
| protected class ProtectedInnerClass { |
| |
| } |
| |
| static { |
| Unsafe theUnsafe = null; |
| try { |
| theUnsafe = Unsafe.getUnsafe(); |
| } catch (Exception e) { |
| try { |
| Field theUnsafeField = Unsafe.class.getDeclaredField("theUnsafe"); |
| theUnsafeField.setAccessible(true); |
| theUnsafe = (Unsafe) theUnsafeField.get(null); |
| } catch (Exception e1) { |
| throw (InternalError) new InternalError("unable to initialize unsafe").initCause(e1); |
| } |
| } |
| unsafe = theUnsafe; |
| |
| Class<?>[] initialClasses = {void.class, boolean.class, byte.class, short.class, char.class, int.class, float.class, long.class, double.class, Object.class, Class.class, boolean[].class, |
| byte[].class, short[].class, char[].class, int[].class, float[].class, long[].class, double[].class, Object[].class, Class[].class, List[].class, boolean[][].class, |
| byte[][].class, short[][].class, char[][].class, int[][].class, float[][].class, long[][].class, double[][].class, Object[][].class, Class[][].class, List[][].class, |
| ClassLoader.class, String.class, Serializable.class, Cloneable.class, Test.class, TestMetaAccessProvider.class, List.class, Collection.class, Map.class, Queue.class, |
| HashMap.class, LinkedHashMap.class, IdentityHashMap.class, AbstractCollection.class, AbstractList.class, ArrayList.class, InnerClass.class, InnerStaticClass.class, |
| InnerStaticFinalClass.class, PrivateInnerClass.class, ProtectedInnerClass.class}; |
| for (Class<?> c : initialClasses) { |
| addClass(c); |
| } |
| |
| javaTypes = Collections.unmodifiableSet(classes.stream().map(c -> metaAccess.lookupJavaType(c)).collect(Collectors.toSet())); |
| } |
| |
| static class ConstantsUniverse { |
| static final Object[] ARRAYS = classes.stream().map(c -> c != void.class && !c.isArray() ? Array.newInstance(c, 42) : null).filter(o -> o != null).collect(Collectors.toList()).toArray(); |
| static final Object CONST1 = new ArrayList<>(); |
| static final Object CONST2 = new ArrayList<>(); |
| static final Object CONST3 = new IdentityHashMap<>(); |
| static final Object CONST4 = new LinkedHashMap<>(); |
| static final Object CONST5 = new TreeMap<>(); |
| static final Object CONST6 = new ArrayDeque<>(); |
| static final Object CONST7 = new LinkedList<>(); |
| static final Object CONST8 = "a string"; |
| static final Object CONST9 = 42; |
| static final Object CONST10 = String.class; |
| static final Object CONST11 = String[].class; |
| } |
| |
| public static List<ConstantValue> constants() { |
| if (constants == null) { |
| List<ConstantValue> res = readConstants(JavaConstant.class); |
| res.addAll(readConstants(ConstantsUniverse.class)); |
| constants = res; |
| } |
| return constants; |
| } |
| |
| public static class ConstantValue { |
| public final String name; |
| public final JavaConstant value; |
| public final Object boxed; |
| |
| public ConstantValue(String name, JavaConstant value, Object boxed) { |
| this.name = name; |
| this.value = value; |
| this.boxed = boxed; |
| } |
| |
| @Override |
| public String toString() { |
| return name + "=" + value; |
| } |
| |
| public String getSimpleName() { |
| return name.substring(name.lastIndexOf('.') + 1); |
| } |
| } |
| |
| /** |
| * Reads the value of all {@code static final} fields from a given class into an array of |
| * {@link ConstantValue}s. |
| */ |
| public static List<ConstantValue> readConstants(Class<?> fromClass) { |
| try { |
| List<ConstantValue> res = new ArrayList<>(); |
| for (Field field : fromClass.getDeclaredFields()) { |
| if (isStatic(field.getModifiers()) && isFinal(field.getModifiers())) { |
| ResolvedJavaField javaField = metaAccess.lookupJavaField(field); |
| Object boxed = field.get(null); |
| if (boxed instanceof JavaConstant) { |
| res.add(new ConstantValue(javaField.format("%H.%n"), (JavaConstant) boxed, boxed)); |
| } else { |
| JavaConstant value = constantReflection.readFieldValue(javaField, null); |
| if (value != null) { |
| res.add(new ConstantValue(javaField.format("%H.%n"), value, boxed)); |
| if (boxed instanceof Object[]) { |
| Object[] arr = (Object[]) boxed; |
| for (int i = 0; i < arr.length; i++) { |
| JavaConstant element = constantReflection.readArrayElement(value, i); |
| if (element != null) { |
| res.add(new ConstantValue(javaField.format("%H.%n[" + i + "]"), element, arr[i])); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| return res; |
| } catch (Exception e) { |
| throw new AssertionError(e); |
| } |
| } |
| |
| public synchronized Class<?> getArrayClass(Class<?> componentType) { |
| Class<?> arrayClass = arrayClasses.get(componentType); |
| if (arrayClass == null) { |
| arrayClass = Array.newInstance(componentType, 0).getClass(); |
| arrayClasses.put(componentType, arrayClass); |
| } |
| return arrayClass; |
| } |
| |
| public static int dimensions(Class<?> c) { |
| if (c.getComponentType() != null) { |
| return 1 + dimensions(c.getComponentType()); |
| } |
| return 0; |
| } |
| |
| private static void addClass(Class<?> c) { |
| if (classes.add(c)) { |
| if (c.getSuperclass() != null) { |
| addClass(c.getSuperclass()); |
| } |
| for (Class<?> sc : c.getInterfaces()) { |
| addClass(sc); |
| } |
| for (Class<?> dc : c.getDeclaredClasses()) { |
| addClass(dc); |
| } |
| for (Method m : c.getDeclaredMethods()) { |
| addClass(m.getReturnType()); |
| for (Class<?> p : m.getParameterTypes()) { |
| addClass(p); |
| } |
| } |
| |
| if (c != void.class && dimensions(c) < 2) { |
| Class<?> arrayClass = Array.newInstance(c, 0).getClass(); |
| arrayClasses.put(c, arrayClass); |
| addClass(arrayClass); |
| } |
| } |
| } |
| } |