java/11 : jdk.scripting.nashorn/jdk/nashorn/internal/runtime/Undefined.class

Undefined
https://openjdk.java.net/
GPLv2 + Classpath Exception
public final class jdk.nashorn.internal.runtime.Undefined extends jdk.nashorn.internal.runtime.DefaultPropertyAccess
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: jdk.nashorn.internal.runtime.Undefined
  super_class: jdk.nashorn.internal.runtime.DefaultPropertyAccess
{
  private static final jdk.nashorn.internal.runtime.Undefined UNDEFINED;
    descriptor: Ljdk/nashorn/internal/runtime/Undefined;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final jdk.nashorn.internal.runtime.Undefined EMPTY;
    descriptor: Ljdk/nashorn/internal/runtime/Undefined;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.lang.invoke.MethodHandle UNDEFINED_GUARD;
    descriptor: Ljava/lang/invoke/MethodHandle;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.lang.invoke.MethodHandle GET_METHOD;
    descriptor: Ljava/lang/invoke/MethodHandle;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.lang.invoke.MethodHandle SET_METHOD;
    descriptor: Ljava/lang/invoke/MethodHandle;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.lang.invoke.MethodHandle DELETE_METHOD;
    descriptor: Ljava/lang/invoke/MethodHandle;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static volatile int[] $SWITCH_TABLE$jdk$dynalink$StandardOperation;
    descriptor: [I
    flags: (0x104a) ACC_PRIVATE, ACC_STATIC, ACC_VOLATILE, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=7, locals=0, args_size=0
         0: .line 47
            new jdk.nashorn.internal.runtime.Undefined
            dup
            invokespecial jdk.nashorn.internal.runtime.Undefined.<init>:()V
            putstatic jdk.nashorn.internal.runtime.Undefined.UNDEFINED:Ljdk/nashorn/internal/runtime/Undefined;
         1: .line 48
            new jdk.nashorn.internal.runtime.Undefined
            dup
            invokespecial jdk.nashorn.internal.runtime.Undefined.<init>:()V
            putstatic jdk.nashorn.internal.runtime.Undefined.EMPTY:Ljdk/nashorn/internal/runtime/Undefined;
         2: .line 51
            getstatic jdk.nashorn.internal.runtime.Undefined.UNDEFINED:Ljdk/nashorn/internal/runtime/Undefined;
            invokestatic jdk.dynalink.linker.support.Guards.getIdentityGuard:(Ljava/lang/Object;)Ljava/lang/invoke/MethodHandle;
            putstatic jdk.nashorn.internal.runtime.Undefined.UNDEFINED_GUARD:Ljava/lang/invoke/MethodHandle;
         3: .line 130
            ldc "get"
            ldc Ljava/lang/Object;
            iconst_1
            anewarray java.lang.Class
            dup
            iconst_0
            ldc Ljava/lang/Object;
            aastore
            invokestatic jdk.nashorn.internal.runtime.Undefined.findOwnMH:(Ljava/lang/String;Ljava/lang/Class;[Ljava/lang/Class;)Ljava/lang/invoke/MethodHandle;
            putstatic jdk.nashorn.internal.runtime.Undefined.GET_METHOD:Ljava/lang/invoke/MethodHandle;
         4: .line 131
            getstatic jdk.nashorn.internal.lookup.Lookup.MH:Ljdk/nashorn/internal/lookup/MethodHandleFunctionality;
            ldc "set"
            getstatic java.lang.Void.TYPE:Ljava/lang/Class;
            iconst_3
            anewarray java.lang.Class
            dup
            iconst_0
            ldc Ljava/lang/Object;
            aastore
            dup
            iconst_1
            ldc Ljava/lang/Object;
            aastore
            dup
            iconst_2
            getstatic java.lang.Integer.TYPE:Ljava/lang/Class;
            aastore
            invokestatic jdk.nashorn.internal.runtime.Undefined.findOwnMH:(Ljava/lang/String;Ljava/lang/Class;[Ljava/lang/Class;)Ljava/lang/invoke/MethodHandle;
            iconst_3
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            bipush 32
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            aastore
            invokeinterface jdk.nashorn.internal.lookup.MethodHandleFunctionality.insertArguments:(Ljava/lang/invoke/MethodHandle;I[Ljava/lang/Object;)Ljava/lang/invoke/MethodHandle;
            putstatic jdk.nashorn.internal.runtime.Undefined.SET_METHOD:Ljava/lang/invoke/MethodHandle;
         5: .line 132
            getstatic jdk.nashorn.internal.lookup.Lookup.MH:Ljdk/nashorn/internal/lookup/MethodHandleFunctionality;
            ldc "delete"
            getstatic java.lang.Boolean.TYPE:Ljava/lang/Class;
            iconst_2
            anewarray java.lang.Class
            dup
            iconst_0
            ldc Ljava/lang/Object;
            aastore
            dup
            iconst_1
            getstatic java.lang.Boolean.TYPE:Ljava/lang/Class;
            aastore
            invokestatic jdk.nashorn.internal.runtime.Undefined.findOwnMH:(Ljava/lang/String;Ljava/lang/Class;[Ljava/lang/Class;)Ljava/lang/invoke/MethodHandle;
            iconst_2
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            iconst_0
            invokestatic java.lang.Boolean.valueOf:(Z)Ljava/lang/Boolean;
            aastore
            invokeinterface jdk.nashorn.internal.lookup.MethodHandleFunctionality.insertArguments:(Ljava/lang/invoke/MethodHandle;I[Ljava/lang/Object;)Ljava/lang/invoke/MethodHandle;
            putstatic jdk.nashorn.internal.runtime.Undefined.DELETE_METHOD:Ljava/lang/invoke/MethodHandle;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // jdk.nashorn.internal.runtime.Undefined this
         0: .line 44
            aload 0 /* this */
            invokespecial jdk.nashorn.internal.runtime.DefaultPropertyAccess.<init>:()V
         1: .line 45
            return
        end local 0 // jdk.nashorn.internal.runtime.Undefined this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljdk/nashorn/internal/runtime/Undefined;

  public static jdk.nashorn.internal.runtime.Undefined getUndefined();
    descriptor: ()Ljdk/nashorn/internal/runtime/Undefined;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 60
            getstatic jdk.nashorn.internal.runtime.Undefined.UNDEFINED:Ljdk/nashorn/internal/runtime/Undefined;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static jdk.nashorn.internal.runtime.Undefined getEmpty();
    descriptor: ()Ljdk/nashorn/internal/runtime/Undefined;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 72
            getstatic jdk.nashorn.internal.runtime.Undefined.EMPTY:Ljdk/nashorn/internal/runtime/Undefined;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public java.lang.String getClassName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // jdk.nashorn.internal.runtime.Undefined this
         0: .line 81
            ldc "Undefined"
            areturn
        end local 0 // jdk.nashorn.internal.runtime.Undefined this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljdk/nashorn/internal/runtime/Undefined;

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // jdk.nashorn.internal.runtime.Undefined this
         0: .line 86
            ldc "undefined"
            areturn
        end local 0 // jdk.nashorn.internal.runtime.Undefined this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljdk/nashorn/internal/runtime/Undefined;

  public static jdk.dynalink.linker.GuardedInvocation lookup(jdk.dynalink.CallSiteDescriptor);
    descriptor: (Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=3, args_size=1
        start local 0 // jdk.dynalink.CallSiteDescriptor desc
         0: .line 95
            invokestatic jdk.nashorn.internal.runtime.Undefined.$SWITCH_TABLE$jdk$dynalink$StandardOperation:()[I
            aload 0 /* desc */
            invokestatic jdk.nashorn.internal.runtime.linker.NashornCallSiteDescriptor.getStandardOperation:(Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/StandardOperation;
            invokevirtual jdk.dynalink.StandardOperation.ordinal:()I
            iaload
            tableswitch { // 1 - 5
                    1: 6
                    2: 9
                    3: 12
                    4: 1
                    5: 1
              default: 15
          }
         1: .line 98
      StackMap locals:
      StackMap stack:
            aload 0 /* desc */
            invokestatic jdk.nashorn.internal.runtime.linker.NashornCallSiteDescriptor.getOperand:(Ljdk/dynalink/CallSiteDescriptor;)Ljava/lang/String;
            astore 1 /* name */
        start local 1 // java.lang.String name
         2: .line 99
            aload 1 /* name */
            ifnull 3
            ldc "not.a.function"
            goto 4
      StackMap locals: java.lang.String
      StackMap stack:
         3: ldc "cant.call.undefined"
      StackMap locals:
      StackMap stack: java.lang.String
         4: astore 2 /* msg */
        start local 2 // java.lang.String msg
         5: .line 100
            aload 2 /* msg */
            iconst_1
            anewarray java.lang.String
            dup
            iconst_0
            aload 1 /* name */
            aastore
            invokestatic jdk.nashorn.internal.runtime.ECMAErrors.typeError:(Ljava/lang/String;[Ljava/lang/String;)Ljdk/nashorn/internal/runtime/ECMAException;
            athrow
        end local 2 // java.lang.String msg
        end local 1 // java.lang.String name
         6: .line 106
      StackMap locals:
      StackMap stack:
            aload 0 /* desc */
            invokevirtual jdk.dynalink.CallSiteDescriptor.getOperation:()Ljdk/dynalink/Operation;
            instanceof jdk.dynalink.NamedOperation
            ifne 8
         7: .line 107
            aload 0 /* desc */
            invokestatic jdk.nashorn.internal.runtime.Undefined.findGetIndexMethod:(Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
            areturn
         8: .line 109
      StackMap locals:
      StackMap stack:
            aload 0 /* desc */
            invokestatic jdk.nashorn.internal.runtime.Undefined.findGetMethod:(Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
            areturn
         9: .line 111
      StackMap locals:
      StackMap stack:
            aload 0 /* desc */
            invokevirtual jdk.dynalink.CallSiteDescriptor.getOperation:()Ljdk/dynalink/Operation;
            instanceof jdk.dynalink.NamedOperation
            ifne 11
        10: .line 112
            aload 0 /* desc */
            invokestatic jdk.nashorn.internal.runtime.Undefined.findSetIndexMethod:(Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
            areturn
        11: .line 114
      StackMap locals:
      StackMap stack:
            aload 0 /* desc */
            invokestatic jdk.nashorn.internal.runtime.Undefined.findSetMethod:(Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
            areturn
        12: .line 116
      StackMap locals:
      StackMap stack:
            aload 0 /* desc */
            invokevirtual jdk.dynalink.CallSiteDescriptor.getOperation:()Ljdk/dynalink/Operation;
            instanceof jdk.dynalink.NamedOperation
            ifne 14
        13: .line 117
            aload 0 /* desc */
            invokestatic jdk.nashorn.internal.runtime.Undefined.findDeleteIndexMethod:(Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
            areturn
        14: .line 119
      StackMap locals:
      StackMap stack:
            aload 0 /* desc */
            invokestatic jdk.nashorn.internal.runtime.Undefined.findDeleteMethod:(Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
            areturn
        15: .line 122
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 0 // jdk.dynalink.CallSiteDescriptor desc
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   16     0  desc  Ljdk/dynalink/CallSiteDescriptor;
            2    6     1  name  Ljava/lang/String;
            5    6     2   msg  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      desc  final

  private static jdk.nashorn.internal.runtime.ECMAException lookupTypeError(java.lang.String, jdk.dynalink.CallSiteDescriptor);
    descriptor: (Ljava/lang/String;Ljdk/dynalink/CallSiteDescriptor;)Ljdk/nashorn/internal/runtime/ECMAException;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // java.lang.String msg
        start local 1 // jdk.dynalink.CallSiteDescriptor desc
         0: .line 126
            aload 1 /* desc */
            invokestatic jdk.nashorn.internal.runtime.linker.NashornCallSiteDescriptor.getOperand:(Ljdk/dynalink/CallSiteDescriptor;)Ljava/lang/String;
            astore 2 /* name */
        start local 2 // java.lang.String name
         1: .line 127
            aload 0 /* msg */
            iconst_1
            anewarray java.lang.String
            dup
            iconst_0
            aload 2 /* name */
            ifnull 2
            aload 2 /* name */
            invokevirtual java.lang.String.isEmpty:()Z
            ifne 2
            aload 2 /* name */
            goto 3
      StackMap locals: java.lang.String jdk.dynalink.CallSiteDescriptor java.lang.String
      StackMap stack: java.lang.String java.lang.String[] java.lang.String[] int
         2: aconst_null
      StackMap locals: java.lang.String jdk.dynalink.CallSiteDescriptor java.lang.String
      StackMap stack: java.lang.String java.lang.String[] java.lang.String[] int java.lang.String
         3: aastore
            invokestatic jdk.nashorn.internal.runtime.ECMAErrors.typeError:(Ljava/lang/String;[Ljava/lang/String;)Ljdk/nashorn/internal/runtime/ECMAException;
            areturn
        end local 2 // java.lang.String name
        end local 1 // jdk.dynalink.CallSiteDescriptor desc
        end local 0 // java.lang.String msg
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0   msg  Ljava/lang/String;
            0    4     1  desc  Ljdk/dynalink/CallSiteDescriptor;
            1    4     2  name  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      msg   final
      desc  final

  private static jdk.dynalink.linker.GuardedInvocation findGetMethod(jdk.dynalink.CallSiteDescriptor);
    descriptor: (Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=9, locals=1, args_size=1
        start local 0 // jdk.dynalink.CallSiteDescriptor desc
         0: .line 135
            new jdk.dynalink.linker.GuardedInvocation
            dup
            getstatic jdk.nashorn.internal.lookup.Lookup.MH:Ljdk/nashorn/internal/lookup/MethodHandleFunctionality;
            getstatic jdk.nashorn.internal.runtime.Undefined.GET_METHOD:Ljava/lang/invoke/MethodHandle;
            iconst_1
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            aload 0 /* desc */
            invokestatic jdk.nashorn.internal.runtime.linker.NashornCallSiteDescriptor.getOperand:(Ljdk/dynalink/CallSiteDescriptor;)Ljava/lang/String;
            aastore
            invokeinterface jdk.nashorn.internal.lookup.MethodHandleFunctionality.insertArguments:(Ljava/lang/invoke/MethodHandle;I[Ljava/lang/Object;)Ljava/lang/invoke/MethodHandle;
            getstatic jdk.nashorn.internal.runtime.Undefined.UNDEFINED_GUARD:Ljava/lang/invoke/MethodHandle;
            invokespecial jdk.dynalink.linker.GuardedInvocation.<init>:(Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodHandle;)V
            aload 0 /* desc */
            invokevirtual jdk.dynalink.linker.GuardedInvocation.asType:(Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
            areturn
        end local 0 // jdk.dynalink.CallSiteDescriptor desc
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  desc  Ljdk/dynalink/CallSiteDescriptor;
    MethodParameters:
      Name  Flags
      desc  final

  private static jdk.dynalink.linker.GuardedInvocation findGetIndexMethod(jdk.dynalink.CallSiteDescriptor);
    descriptor: (Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // jdk.dynalink.CallSiteDescriptor desc
         0: .line 139
            new jdk.dynalink.linker.GuardedInvocation
            dup
            getstatic jdk.nashorn.internal.runtime.Undefined.GET_METHOD:Ljava/lang/invoke/MethodHandle;
            getstatic jdk.nashorn.internal.runtime.Undefined.UNDEFINED_GUARD:Ljava/lang/invoke/MethodHandle;
            invokespecial jdk.dynalink.linker.GuardedInvocation.<init>:(Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodHandle;)V
            aload 0 /* desc */
            invokevirtual jdk.dynalink.linker.GuardedInvocation.asType:(Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
            areturn
        end local 0 // jdk.dynalink.CallSiteDescriptor desc
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  desc  Ljdk/dynalink/CallSiteDescriptor;
    MethodParameters:
      Name  Flags
      desc  final

  private static jdk.dynalink.linker.GuardedInvocation findSetMethod(jdk.dynalink.CallSiteDescriptor);
    descriptor: (Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=9, locals=1, args_size=1
        start local 0 // jdk.dynalink.CallSiteDescriptor desc
         0: .line 143
            new jdk.dynalink.linker.GuardedInvocation
            dup
            getstatic jdk.nashorn.internal.lookup.Lookup.MH:Ljdk/nashorn/internal/lookup/MethodHandleFunctionality;
            getstatic jdk.nashorn.internal.runtime.Undefined.SET_METHOD:Ljava/lang/invoke/MethodHandle;
            iconst_1
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            aload 0 /* desc */
            invokestatic jdk.nashorn.internal.runtime.linker.NashornCallSiteDescriptor.getOperand:(Ljdk/dynalink/CallSiteDescriptor;)Ljava/lang/String;
            aastore
            invokeinterface jdk.nashorn.internal.lookup.MethodHandleFunctionality.insertArguments:(Ljava/lang/invoke/MethodHandle;I[Ljava/lang/Object;)Ljava/lang/invoke/MethodHandle;
            getstatic jdk.nashorn.internal.runtime.Undefined.UNDEFINED_GUARD:Ljava/lang/invoke/MethodHandle;
            invokespecial jdk.dynalink.linker.GuardedInvocation.<init>:(Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodHandle;)V
            aload 0 /* desc */
            invokevirtual jdk.dynalink.linker.GuardedInvocation.asType:(Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
            areturn
        end local 0 // jdk.dynalink.CallSiteDescriptor desc
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  desc  Ljdk/dynalink/CallSiteDescriptor;
    MethodParameters:
      Name  Flags
      desc  final

  private static jdk.dynalink.linker.GuardedInvocation findSetIndexMethod(jdk.dynalink.CallSiteDescriptor);
    descriptor: (Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // jdk.dynalink.CallSiteDescriptor desc
         0: .line 147
            new jdk.dynalink.linker.GuardedInvocation
            dup
            getstatic jdk.nashorn.internal.runtime.Undefined.SET_METHOD:Ljava/lang/invoke/MethodHandle;
            getstatic jdk.nashorn.internal.runtime.Undefined.UNDEFINED_GUARD:Ljava/lang/invoke/MethodHandle;
            invokespecial jdk.dynalink.linker.GuardedInvocation.<init>:(Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodHandle;)V
            aload 0 /* desc */
            invokevirtual jdk.dynalink.linker.GuardedInvocation.asType:(Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
            areturn
        end local 0 // jdk.dynalink.CallSiteDescriptor desc
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  desc  Ljdk/dynalink/CallSiteDescriptor;
    MethodParameters:
      Name  Flags
      desc  final

  private static jdk.dynalink.linker.GuardedInvocation findDeleteMethod(jdk.dynalink.CallSiteDescriptor);
    descriptor: (Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=9, locals=1, args_size=1
        start local 0 // jdk.dynalink.CallSiteDescriptor desc
         0: .line 151
            new jdk.dynalink.linker.GuardedInvocation
            dup
            getstatic jdk.nashorn.internal.lookup.Lookup.MH:Ljdk/nashorn/internal/lookup/MethodHandleFunctionality;
            getstatic jdk.nashorn.internal.runtime.Undefined.DELETE_METHOD:Ljava/lang/invoke/MethodHandle;
            iconst_1
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            aload 0 /* desc */
            invokestatic jdk.nashorn.internal.runtime.linker.NashornCallSiteDescriptor.getOperand:(Ljdk/dynalink/CallSiteDescriptor;)Ljava/lang/String;
            aastore
            invokeinterface jdk.nashorn.internal.lookup.MethodHandleFunctionality.insertArguments:(Ljava/lang/invoke/MethodHandle;I[Ljava/lang/Object;)Ljava/lang/invoke/MethodHandle;
            getstatic jdk.nashorn.internal.runtime.Undefined.UNDEFINED_GUARD:Ljava/lang/invoke/MethodHandle;
            invokespecial jdk.dynalink.linker.GuardedInvocation.<init>:(Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodHandle;)V
            aload 0 /* desc */
            invokevirtual jdk.dynalink.linker.GuardedInvocation.asType:(Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
            areturn
        end local 0 // jdk.dynalink.CallSiteDescriptor desc
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  desc  Ljdk/dynalink/CallSiteDescriptor;
    MethodParameters:
      Name  Flags
      desc  final

  private static jdk.dynalink.linker.GuardedInvocation findDeleteIndexMethod(jdk.dynalink.CallSiteDescriptor);
    descriptor: (Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // jdk.dynalink.CallSiteDescriptor desc
         0: .line 155
            new jdk.dynalink.linker.GuardedInvocation
            dup
            getstatic jdk.nashorn.internal.runtime.Undefined.DELETE_METHOD:Ljava/lang/invoke/MethodHandle;
            getstatic jdk.nashorn.internal.runtime.Undefined.UNDEFINED_GUARD:Ljava/lang/invoke/MethodHandle;
            invokespecial jdk.dynalink.linker.GuardedInvocation.<init>:(Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodHandle;)V
            aload 0 /* desc */
            invokevirtual jdk.dynalink.linker.GuardedInvocation.asType:(Ljdk/dynalink/CallSiteDescriptor;)Ljdk/dynalink/linker/GuardedInvocation;
            areturn
        end local 0 // jdk.dynalink.CallSiteDescriptor desc
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  desc  Ljdk/dynalink/CallSiteDescriptor;
    MethodParameters:
      Name  Flags
      desc  final

  public java.lang.Object get(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // jdk.nashorn.internal.runtime.Undefined this
        start local 1 // java.lang.Object key
         0: .line 161
            ldc "cant.read.property.of.undefined"
            iconst_1
            anewarray java.lang.String
            dup
            iconst_0
            aload 1 /* key */
            invokestatic jdk.nashorn.internal.runtime.ScriptRuntime.safeToString:(Ljava/lang/Object;)Ljava/lang/String;
            aastore
            invokestatic jdk.nashorn.internal.runtime.ECMAErrors.typeError:(Ljava/lang/String;[Ljava/lang/String;)Ljdk/nashorn/internal/runtime/ECMAException;
            athrow
        end local 1 // java.lang.Object key
        end local 0 // jdk.nashorn.internal.runtime.Undefined this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljdk/nashorn/internal/runtime/Undefined;
            0    1     1   key  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      key   final

  public void set(java.lang.Object, java.lang.Object, int);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // jdk.nashorn.internal.runtime.Undefined this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object value
        start local 3 // int flags
         0: .line 166
            ldc "cant.set.property.of.undefined"
            iconst_1
            anewarray java.lang.String
            dup
            iconst_0
            aload 1 /* key */
            invokestatic jdk.nashorn.internal.runtime.ScriptRuntime.safeToString:(Ljava/lang/Object;)Ljava/lang/String;
            aastore
            invokestatic jdk.nashorn.internal.runtime.ECMAErrors.typeError:(Ljava/lang/String;[Ljava/lang/String;)Ljdk/nashorn/internal/runtime/ECMAException;
            athrow
        end local 3 // int flags
        end local 2 // java.lang.Object value
        end local 1 // java.lang.Object key
        end local 0 // jdk.nashorn.internal.runtime.Undefined this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Ljdk/nashorn/internal/runtime/Undefined;
            0    1     1    key  Ljava/lang/Object;
            0    1     2  value  Ljava/lang/Object;
            0    1     3  flags  I
    MethodParameters:
       Name  Flags
      key    final
      value  final
      flags  final

  public boolean delete(java.lang.Object, boolean);
    descriptor: (Ljava/lang/Object;Z)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // jdk.nashorn.internal.runtime.Undefined this
        start local 1 // java.lang.Object key
        start local 2 // boolean strict
         0: .line 171
            ldc "cant.delete.property.of.undefined"
            iconst_1
            anewarray java.lang.String
            dup
            iconst_0
            aload 1 /* key */
            invokestatic jdk.nashorn.internal.runtime.ScriptRuntime.safeToString:(Ljava/lang/Object;)Ljava/lang/String;
            aastore
            invokestatic jdk.nashorn.internal.runtime.ECMAErrors.typeError:(Ljava/lang/String;[Ljava/lang/String;)Ljdk/nashorn/internal/runtime/ECMAException;
            athrow
        end local 2 // boolean strict
        end local 1 // java.lang.Object key
        end local 0 // jdk.nashorn.internal.runtime.Undefined this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Ljdk/nashorn/internal/runtime/Undefined;
            0    1     1     key  Ljava/lang/Object;
            0    1     2  strict  Z
    MethodParameters:
        Name  Flags
      key     final
      strict  final

  public boolean has(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // jdk.nashorn.internal.runtime.Undefined this
        start local 1 // java.lang.Object key
         0: .line 176
            iconst_0
            ireturn
        end local 1 // java.lang.Object key
        end local 0 // jdk.nashorn.internal.runtime.Undefined this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljdk/nashorn/internal/runtime/Undefined;
            0    1     1   key  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      key   final

  public boolean hasOwnProperty(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // jdk.nashorn.internal.runtime.Undefined this
        start local 1 // java.lang.Object key
         0: .line 181
            iconst_0
            ireturn
        end local 1 // java.lang.Object key
        end local 0 // jdk.nashorn.internal.runtime.Undefined this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljdk/nashorn/internal/runtime/Undefined;
            0    1     1   key  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      key   final

  private static java.lang.invoke.MethodHandle findOwnMH(java.lang.String, java.lang.Class<?>, java.lang.Class<?>[]);
    descriptor: (Ljava/lang/String;Ljava/lang/Class;[Ljava/lang/Class;)Ljava/lang/invoke/MethodHandle;
    flags: (0x008a) ACC_PRIVATE, ACC_STATIC, ACC_VARARGS
    Code:
      stack=7, locals=3, args_size=3
        start local 0 // java.lang.String name
        start local 1 // java.lang.Class rtype
        start local 2 // java.lang.Class[] types
         0: .line 185
            getstatic jdk.nashorn.internal.lookup.Lookup.MH:Ljdk/nashorn/internal/lookup/MethodHandleFunctionality;
            invokestatic java.lang.invoke.MethodHandles.lookup:()Ljava/lang/invoke/MethodHandles$Lookup;
            ldc Ljdk/nashorn/internal/runtime/Undefined;
            aload 0 /* name */
            getstatic jdk.nashorn.internal.lookup.Lookup.MH:Ljdk/nashorn/internal/lookup/MethodHandleFunctionality;
            aload 1 /* rtype */
            aload 2 /* types */
            invokeinterface jdk.nashorn.internal.lookup.MethodHandleFunctionality.type:(Ljava/lang/Class;[Ljava/lang/Class;)Ljava/lang/invoke/MethodType;
            invokeinterface jdk.nashorn.internal.lookup.MethodHandleFunctionality.findVirtual:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/Class;Ljava/lang/String;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/MethodHandle;
            areturn
        end local 2 // java.lang.Class[] types
        end local 1 // java.lang.Class rtype
        end local 0 // java.lang.String name
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   name  Ljava/lang/String;
            0    1     1  rtype  Ljava/lang/Class<*>;
            0    1     2  types  [Ljava/lang/Class;
    Signature: (Ljava/lang/String;Ljava/lang/Class<*>;[Ljava/lang/Class<*>;)Ljava/lang/invoke/MethodHandle;
    MethodParameters:
       Name  Flags
      name   final
      rtype  final
      types  final

  static int[] $SWITCH_TABLE$jdk$dynalink$StandardOperation();
    descriptor: ()[I
    flags: (0x1008) ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=3, locals=1, args_size=0
         0: .line 42
            getstatic jdk.nashorn.internal.runtime.Undefined.$SWITCH_TABLE$jdk$dynalink$StandardOperation:[I
            dup
            ifnull 1
            areturn
      StackMap locals:
      StackMap stack: int[]
         1: pop
            invokestatic jdk.dynalink.StandardOperation.values:()[Ljdk/dynalink/StandardOperation;
            arraylength
            newarray 10
            astore 0
         2: aload 0
            getstatic jdk.dynalink.StandardOperation.CALL:Ljdk/dynalink/StandardOperation;
            invokevirtual jdk.dynalink.StandardOperation.ordinal:()I
            iconst_4
            iastore
         3: goto 5
      StackMap locals: int[]
      StackMap stack: java.lang.NoSuchFieldError
         4: pop
      StackMap locals:
      StackMap stack:
         5: aload 0
            getstatic jdk.dynalink.StandardOperation.GET:Ljdk/dynalink/StandardOperation;
            invokevirtual jdk.dynalink.StandardOperation.ordinal:()I
            iconst_1
            iastore
         6: goto 8
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
         7: pop
      StackMap locals:
      StackMap stack:
         8: aload 0
            getstatic jdk.dynalink.StandardOperation.NEW:Ljdk/dynalink/StandardOperation;
            invokevirtual jdk.dynalink.StandardOperation.ordinal:()I
            iconst_5
            iastore
         9: goto 11
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
        10: pop
      StackMap locals:
      StackMap stack:
        11: aload 0
            getstatic jdk.dynalink.StandardOperation.REMOVE:Ljdk/dynalink/StandardOperation;
            invokevirtual jdk.dynalink.StandardOperation.ordinal:()I
            iconst_3
            iastore
        12: goto 14
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
        13: pop
      StackMap locals:
      StackMap stack:
        14: aload 0
            getstatic jdk.dynalink.StandardOperation.SET:Ljdk/dynalink/StandardOperation;
            invokevirtual jdk.dynalink.StandardOperation.ordinal:()I
            iconst_2
            iastore
        15: goto 17
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
        16: pop
      StackMap locals:
      StackMap stack:
        17: aload 0
            dup
            putstatic jdk.nashorn.internal.runtime.Undefined.$SWITCH_TABLE$jdk$dynalink$StandardOperation:[I
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
      Exception table:
        from    to  target  type
           2     3       4  Class java.lang.NoSuchFieldError
           5     6       7  Class java.lang.NoSuchFieldError
           8     9      10  Class java.lang.NoSuchFieldError
          11    12      13  Class java.lang.NoSuchFieldError
          14    15      16  Class java.lang.NoSuchFieldError
}
SourceFile: "Undefined.java"
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles
/

java/ 11/ jdk.scripting.nashorn/jdk/nashorn/internal/runtime/Undefined.class
