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8271820: Implementation of JEP 416: Reimplement Core Reflection with Method Handle

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8013527: calling MethodHandles.lookup on itself leads to errors

Co-authored-by: Peter Levart <plevart@openjdk.org>
Co-authored-by: Claes Redestad <redestad@openjdk.org>
Co-authored-by: Mandy Chung <mchung@openjdk.org>
Reviewed-by: mcimadamore, plevart, egahlin, redestad, cjplummer, alanb
This commit is contained in:
Mandy Chung 2021-10-28 18:32:50 +00:00
parent 5a768f75c9
commit c6339cb8a2
78 changed files with 6118 additions and 544 deletions
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5
src/java.base/share/classes/java/lang/invoke/InvokerBytecodeGenerator.java
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@ -44,6 +44,7 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Set;
import java.util.stream.Stream;
import static java.lang.invoke.LambdaForm.BasicType;
@ -316,7 +317,7 @@ class InvokerBytecodeGenerator {
* Extract the MemberName of a newly-defined method.
*/
private MemberName loadMethod(byte[] classFile) {
Class<?> invokerClass = LOOKUP.makeHiddenClassDefiner(className, classFile)
Class<?> invokerClass = LOOKUP.makeHiddenClassDefiner(className, classFile, Set.of())
.defineClass(true, classDataValues());
return resolveInvokerMember(invokerClass, invokerName, invokerType);
}
@ -376,7 +377,7 @@ class InvokerBytecodeGenerator {
MethodVisitor mv = cw.visitMethod(Opcodes.ACC_STATIC, "<clinit>", "()V", null, null);
mv.visitCode();
mv.visitLdcInsn(Type.getType("L" + className + ";"));
mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/invoke/MethodHandleNatives",
mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/invoke/MethodHandles",
"classData", "(Ljava/lang/Class;)Ljava/lang/Object;", false);
// we should optimize one single element case that does not need to create a List
mv.visitTypeInsn(Opcodes.CHECKCAST, "java/util/List");