446 lines
16 KiB
Java
446 lines
16 KiB
Java
/*
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* Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 7194586 8003280 8006694 8010404 8129962
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* @summary Add lambda tests
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* Add back-end support for invokedynamic
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* temporarily workaround combo tests are causing time out in several platforms
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* @library /tools/javac/lib
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* @modules jdk.jdeps/com.sun.tools.classfile
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* jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.code
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* jdk.compiler/com.sun.tools.javac.file
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* jdk.compiler/com.sun.tools.javac.jvm
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* jdk.compiler/com.sun.tools.javac.tree
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* jdk.compiler/com.sun.tools.javac.util
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* @build combo.ComboTestHelper
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* @run main TestInvokeDynamic
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*/
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import java.io.IOException;
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import java.io.InputStream;
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import javax.tools.JavaFileObject;
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import com.sun.source.tree.MethodInvocationTree;
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import com.sun.source.tree.MethodTree;
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import com.sun.source.util.TaskEvent;
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import com.sun.source.util.TaskListener;
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import com.sun.source.util.TreeScanner;
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import com.sun.tools.classfile.Attribute;
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import com.sun.tools.classfile.BootstrapMethods_attribute;
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import com.sun.tools.classfile.ClassFile;
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import com.sun.tools.classfile.Code_attribute;
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import com.sun.tools.classfile.ConstantPool.*;
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import com.sun.tools.classfile.Instruction;
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import com.sun.tools.classfile.LineNumberTable_attribute;
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import com.sun.tools.classfile.Method;
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import com.sun.tools.javac.code.Symbol;
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import com.sun.tools.javac.code.Symbol.MethodHandleSymbol;
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import com.sun.tools.javac.code.Symtab;
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import com.sun.tools.javac.code.Type.ClassType;
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import com.sun.tools.javac.code.Type.MethodType;
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import com.sun.tools.javac.code.Types;
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import com.sun.tools.javac.jvm.PoolConstant.LoadableConstant;
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import com.sun.tools.javac.tree.JCTree.JCMethodInvocation;
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import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
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import com.sun.tools.javac.tree.JCTree.JCIdent;
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import com.sun.tools.javac.util.Names;
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import combo.ComboParameter;
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import combo.ComboTestHelper;
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import combo.ComboInstance;
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import combo.ComboTask.Result;
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public class TestInvokeDynamic extends ComboInstance<TestInvokeDynamic> {
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enum StaticArgumentKind implements ComboParameter {
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STRING("Hello!", "String", "Ljava/lang/String;") {
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@Override
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boolean check(CPInfo cpInfo) throws Exception {
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return (cpInfo instanceof CONSTANT_String_info) &&
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((CONSTANT_String_info)cpInfo).getString()
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.equals(value);
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}
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},
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CLASS(null, "Class<?>", "Ljava/lang/Class;") {
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@Override
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boolean check(CPInfo cpInfo) throws Exception {
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return (cpInfo instanceof CONSTANT_Class_info) &&
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((CONSTANT_Class_info)cpInfo).getName()
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.equals("java/lang/String");
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}
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},
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INTEGER(1, "int", "I") {
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@Override
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boolean check(CPInfo cpInfo) throws Exception {
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return (cpInfo instanceof CONSTANT_Integer_info) &&
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((CONSTANT_Integer_info)cpInfo).value ==
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((Integer)value).intValue();
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}
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},
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LONG(1L, "long", "J") {
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@Override
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boolean check(CPInfo cpInfo) throws Exception {
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return (cpInfo instanceof CONSTANT_Long_info) &&
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((CONSTANT_Long_info)cpInfo).value ==
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((Long)value).longValue();
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}
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},
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FLOAT(1.0f, "float", "F") {
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@Override
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boolean check(CPInfo cpInfo) throws Exception {
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return (cpInfo instanceof CONSTANT_Float_info) &&
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((CONSTANT_Float_info)cpInfo).value ==
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((Float)value).floatValue();
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}
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},
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DOUBLE(1.0, "double","D") {
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@Override
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boolean check(CPInfo cpInfo) throws Exception {
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return (cpInfo instanceof CONSTANT_Double_info) &&
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((CONSTANT_Double_info)cpInfo).value ==
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((Double)value).doubleValue();
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}
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},
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METHOD_HANDLE(null, "MethodHandle", "Ljava/lang/invoke/MethodHandle;") {
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@Override
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boolean check(CPInfo cpInfo) throws Exception {
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if (!(cpInfo instanceof CONSTANT_MethodHandle_info))
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return false;
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CONSTANT_MethodHandle_info handleInfo =
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(CONSTANT_MethodHandle_info)cpInfo;
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return handleInfo.getCPRefInfo().getClassName().equals("Array") &&
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handleInfo.reference_kind == RefKind.REF_invokeVirtual &&
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handleInfo.getCPRefInfo()
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.getNameAndTypeInfo().getName().equals("clone") &&
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handleInfo.getCPRefInfo()
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.getNameAndTypeInfo().getType().equals("()Ljava/lang/Object;");
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}
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},
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METHOD_TYPE(null, "MethodType", "Ljava/lang/invoke/MethodType;") {
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@Override
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boolean check(CPInfo cpInfo) throws Exception {
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return (cpInfo instanceof CONSTANT_MethodType_info) &&
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((CONSTANT_MethodType_info)cpInfo).getType()
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.equals("()Ljava/lang/Object;");
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}
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};
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Object value;
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String sourceTypeStr;
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String bytecodeTypeStr;
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StaticArgumentKind(Object value, String sourceTypeStr,
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String bytecodeTypeStr) {
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this.value = value;
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this.sourceTypeStr = sourceTypeStr;
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this.bytecodeTypeStr = bytecodeTypeStr;
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}
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abstract boolean check(CPInfo cpInfo) throws Exception;
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LoadableConstant getValue(Symtab syms) {
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switch (this) {
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case STRING:
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return LoadableConstant.String((String)value);
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case INTEGER:
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return LoadableConstant.Int((Integer)value);
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case LONG:
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return LoadableConstant.Long((Long)value);
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case FLOAT:
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return LoadableConstant.Float((Float)value);
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case DOUBLE:
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return LoadableConstant.Double((Double)value);
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case CLASS:
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return (ClassType)syms.stringType;
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case METHOD_HANDLE:
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return syms.arrayCloneMethod.asHandle();
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case METHOD_TYPE:
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return ((MethodType)syms.arrayCloneMethod.type);
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default:
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throw new AssertionError();
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}
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}
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@Override
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public String expand(String optParameter) {
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return sourceTypeStr;
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}
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}
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enum StaticArgumentsArity implements ComboParameter {
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ZERO(0, ""),
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ONE(1, ",#{SARG[0]} s1"),
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TWO(2, ",#{SARG[0]} s1, #{SARG[1]} s2"),
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THREE(3, ",#{SARG[0]} s1, #{SARG[1]} s2, #{SARG[2]} s3");
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int arity;
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String argsTemplate;
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StaticArgumentsArity(int arity, String argsTemplate) {
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this.arity = arity;
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this.argsTemplate = argsTemplate;
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}
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@Override
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public String expand(String optParameter) {
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return argsTemplate;
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}
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}
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public static void main(String... args) throws Exception {
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new ComboTestHelper<TestInvokeDynamic>()
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.withFilter(TestInvokeDynamic::redundantTestFilter)
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.withDimension("SARGS", (x, arity) -> x.arity = arity, StaticArgumentsArity.values())
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.withArrayDimension("SARG", (x, arg, idx) -> x.saks[idx] = arg, 3, StaticArgumentKind.values())
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.run(TestInvokeDynamic::new);
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}
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StaticArgumentsArity arity;
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StaticArgumentKind[] saks = new StaticArgumentKind[3];
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boolean redundantTestFilter() {
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for (int i = arity.arity ; i < saks.length ; i++) {
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if (saks[i].ordinal() != 0) {
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return false;
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}
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}
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return true;
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}
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final String source_template =
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"import java.lang.invoke.*;\n" +
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"class Test {\n" +
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" void m() { }\n" +
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" void test() {\n" +
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" Object o = this; // marker statement \n" +
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" m();\n" +
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" }\n" +
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"}\n" +
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"class Bootstrap {\n" +
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" public static CallSite bsm(MethodHandles.Lookup lookup, " +
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"String name, MethodType methodType #{SARGS}) {\n" +
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" return null;\n" +
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" }\n" +
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"}";
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@Override
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public void doWork() throws IOException {
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newCompilationTask()
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.withOption("-g")
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.withSourceFromTemplate(source_template)
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.withListenerFactory(context -> {
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Symtab syms = Symtab.instance(context);
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Names names = Names.instance(context);
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Types types = Types.instance(context);
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return new Indifier(syms, names, types);
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})
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.generate(this::verifyBytecode);
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}
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void verifyBytecode(Result<Iterable<? extends JavaFileObject>> res) {
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if (res.hasErrors()) {
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fail("Diags found when compiling instance: " + res.compilationInfo());
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return;
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}
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try (InputStream is = res.get().iterator().next().openInputStream()){
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ClassFile cf = ClassFile.read(is);
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Method testMethod = null;
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for (Method m : cf.methods) {
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if (m.getName(cf.constant_pool).equals("test")) {
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testMethod = m;
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break;
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}
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}
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if (testMethod == null) {
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fail("Test method not found");
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return;
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}
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Code_attribute ea =
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(Code_attribute)testMethod.attributes.get(Attribute.Code);
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if (testMethod == null) {
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fail("Code attribute for test() method not found");
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return;
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}
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int bsmIdx = -1;
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for (Instruction i : ea.getInstructions()) {
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if (i.getMnemonic().equals("invokedynamic")) {
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CONSTANT_InvokeDynamic_info indyInfo =
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(CONSTANT_InvokeDynamic_info)cf
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.constant_pool.get(i.getShort(1));
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bsmIdx = indyInfo.bootstrap_method_attr_index;
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if (!indyInfo.getNameAndTypeInfo().getType().equals("()V")) {
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fail("type mismatch for CONSTANT_InvokeDynamic_info");
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return;
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}
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}
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}
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if (bsmIdx == -1) {
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fail("Missing invokedynamic in generated code");
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return;
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}
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BootstrapMethods_attribute bsm_attr =
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(BootstrapMethods_attribute)cf
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.getAttribute(Attribute.BootstrapMethods);
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if (bsm_attr.bootstrap_method_specifiers.length != 1) {
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fail("Bad number of method specifiers " +
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"in BootstrapMethods attribute");
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return;
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}
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BootstrapMethods_attribute.BootstrapMethodSpecifier bsm_spec =
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bsm_attr.bootstrap_method_specifiers[0];
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if (bsm_spec.bootstrap_arguments.length != arity.arity) {
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fail("Bad number of static invokedynamic args " +
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"in BootstrapMethod attribute");
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return;
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}
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for (int i = 0 ; i < arity.arity ; i++) {
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if (!saks[i].check(cf.constant_pool
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.get(bsm_spec.bootstrap_arguments[i]))) {
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fail("Bad static argument value " + saks[i]);
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return;
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}
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}
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CONSTANT_MethodHandle_info bsm_handle =
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(CONSTANT_MethodHandle_info)cf.constant_pool
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.get(bsm_spec.bootstrap_method_ref);
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if (bsm_handle.reference_kind != RefKind.REF_invokeStatic) {
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fail("Bad kind on boostrap method handle");
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return;
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}
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CONSTANT_Methodref_info bsm_ref =
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(CONSTANT_Methodref_info)cf.constant_pool
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.get(bsm_handle.reference_index);
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if (!bsm_ref.getClassInfo().getName().equals("Bootstrap")) {
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fail("Bad owner of boostrap method");
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return;
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}
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if (!bsm_ref.getNameAndTypeInfo().getName().equals("bsm")) {
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fail("Bad boostrap method name");
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return;
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}
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if (!bsm_ref.getNameAndTypeInfo()
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.getType().equals(asBSMSignatureString())) {
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fail("Bad boostrap method type" +
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bsm_ref.getNameAndTypeInfo().getType() + " " +
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asBSMSignatureString());
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return;
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}
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LineNumberTable_attribute lnt =
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(LineNumberTable_attribute)ea.attributes.get(Attribute.LineNumberTable);
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if (lnt == null) {
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fail("No LineNumberTable attribute");
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return;
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}
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if (lnt.line_number_table_length != 3) {
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fail("Wrong number of entries in LineNumberTable");
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return;
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}
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} catch (Exception e) {
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e.printStackTrace();
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fail("error reading classfile: " + res.compilationInfo());
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return;
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}
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}
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String asBSMSignatureString() {
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StringBuilder buf = new StringBuilder();
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buf.append("(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;");
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for (int i = 0 ; i < arity.arity ; i++) {
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buf.append(saks[i].bytecodeTypeStr);
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}
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buf.append(")Ljava/lang/invoke/CallSite;");
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return buf.toString();
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}
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class Indifier extends TreeScanner<Void, Void> implements TaskListener {
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MethodHandleSymbol bsm;
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Symtab syms;
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Names names;
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Types types;
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Indifier(Symtab syms, Names names, Types types) {
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this.syms = syms;
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this.names = names;
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this.types = types;
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}
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@Override
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public void started(TaskEvent e) {
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//do nothing
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}
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@Override
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public void finished(TaskEvent e) {
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if (e.getKind() == TaskEvent.Kind.ANALYZE) {
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scan(e.getCompilationUnit(), null);
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}
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}
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@Override
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public Void visitMethodInvocation(MethodInvocationTree node, Void p) {
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super.visitMethodInvocation(node, p);
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JCMethodInvocation apply = (JCMethodInvocation)node;
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JCIdent ident = (JCIdent)apply.meth;
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Symbol oldSym = ident.sym;
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if (!oldSym.isConstructor()) {
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LoadableConstant[] staticArgs = new LoadableConstant[arity.arity];
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for (int i = 0; i < arity.arity ; i++) {
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staticArgs[i] = saks[i].getValue(syms);
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}
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ident.sym = new Symbol.DynamicMethodSymbol(oldSym.name,
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oldSym.owner, bsm, oldSym.type, staticArgs);
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}
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return null;
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}
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@Override
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public Void visitMethod(MethodTree node, Void p) {
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super.visitMethod(node, p);
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if (node.getName().toString().equals("bsm")) {
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bsm = ((JCMethodDecl)node).sym.asHandle();
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}
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return null;
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}
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}
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}
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