// Factory methods: static DirectMethodHandle make(byte refKind, Class<?> receiver, MemberName member) { MethodType mtype = member.getMethodOrFieldType(); if (!member.isStatic()) { if (!member.getDeclaringClass().isAssignableFrom(receiver) || member.isConstructor()) throw new InternalError(member.toString()); mtype = mtype.insertParameterTypes(0, receiver); } if (!member.isField()) { if (refKind == REF_invokeSpecial) { member = member.asSpecial(); LambdaForm lform = preparedLambdaForm(member); return new Special(mtype, lform, member); } else { LambdaForm lform = preparedLambdaForm(member); return new DirectMethodHandle(mtype, lform, member); } } else { LambdaForm lform = preparedFieldLambdaForm(member); if (member.isStatic()) { long offset = MethodHandleNatives.staticFieldOffset(member); Object base = MethodHandleNatives.staticFieldBase(member); return new StaticAccessor(mtype, lform, member, base, offset); } else { long offset = MethodHandleNatives.objectFieldOffset(member); assert (offset == (int) offset); return new Accessor(mtype, lform, member, (int) offset); } } }
private static DirectMethodHandle makeAllocator(MemberName ctor) { assert (ctor.isConstructor() && ctor.getName().equals("<init>")); Class<?> instanceClass = ctor.getDeclaringClass(); ctor = ctor.asConstructor(); assert (ctor.isConstructor() && ctor.getReferenceKind() == REF_newInvokeSpecial) : ctor; MethodType mtype = ctor.getMethodType().changeReturnType(instanceClass); LambdaForm lform = preparedLambdaForm(ctor); MemberName init = ctor.asSpecial(); assert (init.getMethodType().returnType() == void.class); return new Constructor(mtype, lform, ctor, init, instanceClass); }