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comparison jvmci/jdk.vm.ci.meta/src/jdk/vm/ci/meta/ResolvedJavaMethod.java @ 23741:6542cd8da2da

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include VarHandle in signature polymorphic method test (JDK-8164214)
author Doug Simon <doug.simon@oracle.com>
date Tue, 23 Aug 2016 22:58:50 +0200
parents ae27c683c128
children d6bd0b9cd0b6
comparison
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23740:724fbad94ee3 23741:6542cd8da2da
21 * questions. 21 * questions.
22 */ 22 */
23 package jdk.vm.ci.meta; 23 package jdk.vm.ci.meta;
24 24
25 import java.lang.annotation.Annotation; 25 import java.lang.annotation.Annotation;
26 import java.lang.invoke.MethodHandle;
27 import java.lang.reflect.AnnotatedElement; 26 import java.lang.reflect.AnnotatedElement;
28 import java.lang.reflect.Array; 27 import java.lang.reflect.Array;
29 import java.lang.reflect.Method; 28 import java.lang.reflect.Method;
30 import java.lang.reflect.Modifier; 29 import java.lang.reflect.Modifier;
31 import java.lang.reflect.Type; 30 import java.lang.reflect.Type;
328 default boolean isJavaLangObjectInit() { 327 default boolean isJavaLangObjectInit() {
329 return getDeclaringClass().isJavaLangObject() && getName().equals("<init>"); 328 return getDeclaringClass().isJavaLangObject() && getName().equals("<init>");
330 } 329 }
331 330
332 SpeculationLog getSpeculationLog(); 331 SpeculationLog getSpeculationLog();
333
334 /**
335 * Determines if the method identified by its holder and name is a
336 * <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-2.html#jvms-2.9">signature
337 * polymorphic</a> method.
338 */
339 static boolean isSignaturePolymorphic(JavaType holder, String name, MetaAccessProvider metaAccess) {
340 if (!holder.getName().equals("Ljava/lang/invoke/MethodHandle;")) {
341 return false;
342 }
343 ResolvedJavaType methodHandleType = metaAccess.lookupJavaType(MethodHandle.class);
344 Signature signature = metaAccess.parseMethodDescriptor("([Ljava/lang/Object;)Ljava/lang/Object;");
345 ResolvedJavaMethod method = methodHandleType.findMethod(name, signature);
346 if (method == null) {
347 return false;
348 }
349 return method.isNative() && method.isVarArgs();
350 }
351 } 332 }