Mercurial > hg > graal-jvmci-8
diff graal/com.oracle.jvmci.runtime.test/src/com/oracle/jvmci/runtime/test/TypeUniverse.java @ 21663:381ab4105afe
moved com.oracle.graal.java.test to com.oracle.jvmci.runtime.test
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 02 Jun 2015 15:15:58 +0200 |
parents | graal/com.oracle.graal.java.test/src/com/oracle/graal/java/test/TypeUniverse.java@47bebae7454f |
children | 5910a266f32d |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.jvmci.runtime.test/src/com/oracle/jvmci/runtime/test/TypeUniverse.java Tue Jun 02 15:15:58 2015 +0200 @@ -0,0 +1,203 @@ +/* + * Copyright (c) 2013, 2014, 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 com.oracle.jvmci.runtime.test; + +import static java.lang.reflect.Modifier.*; + +import java.io.*; +import java.lang.reflect.*; +import java.util.*; +import java.util.Queue; +import java.util.stream.*; + +import org.junit.*; + +import sun.misc.*; + +import com.oracle.jvmci.meta.*; +import com.oracle.jvmci.runtime.*; + +/** + * 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; + + 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, 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, TrustedInterface.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())) { + JavaField 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.readConstantFieldValue(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); + } + } + } +}