https://www.graalvm.org/ 
class com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator extends com.oracle.truffle.object.CoreLocations$PrimitiveLocationDecorator implements com.oracle.truffle.object.CoreLocations$DoubleLocation
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator
  super_class: com.oracle.truffle.object.CoreLocations$PrimitiveLocationDecorator
{
  private final boolean allowInt;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  protected void <init>(com.oracle.truffle.object.CoreLocations$LongLocation, boolean);
    descriptor: (Lcom/oracle/truffle/object/CoreLocations$LongLocation;Z)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
        start local 1 // com.oracle.truffle.object.CoreLocations$LongLocation longLocation
        start local 2 // boolean allowInt
         0: .line 802
            aload 0 /* this */
            aload 1 /* longLocation */
            invokespecial com.oracle.truffle.object.CoreLocations$PrimitiveLocationDecorator.<init>:(Lcom/oracle/truffle/object/CoreLocations$LongLocation;)V
         1: .line 803
            aload 0 /* this */
            iload 2 /* allowInt */
            putfield com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator.allowInt:Z
         2: .line 804
            return
        end local 2 // boolean allowInt
        end local 1 // com.oracle.truffle.object.CoreLocations$LongLocation longLocation
        end local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    3     0          this  Lcom/oracle/truffle/object/CoreLocations$DoubleLocationDecorator;
            0    3     1  longLocation  Lcom/oracle/truffle/object/CoreLocations$LongLocation;
            0    3     2      allowInt  Z
    MethodParameters:
              Name  Flags
      longLocation  
      allowInt      

  public final java.lang.Object get(com.oracle.truffle.api.object.DynamicObject, boolean);
    descriptor: (Lcom/oracle/truffle/api/object/DynamicObject;Z)Ljava/lang/Object;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
        start local 1 // com.oracle.truffle.api.object.DynamicObject store
        start local 2 // boolean condition
         0: .line 808
            aload 0 /* this */
            aload 1 /* store */
            iload 2 /* condition */
            invokevirtual com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator.getDouble:(Lcom/oracle/truffle/api/object/DynamicObject;Z)D
            invokestatic java.lang.Double.valueOf:(D)Ljava/lang/Double;
            areturn
        end local 2 // boolean condition
        end local 1 // com.oracle.truffle.api.object.DynamicObject store
        end local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lcom/oracle/truffle/object/CoreLocations$DoubleLocationDecorator;
            0    1     1      store  Lcom/oracle/truffle/api/object/DynamicObject;
            0    1     2  condition  Z
    MethodParameters:
           Name  Flags
      store      
      condition  

  public double getDouble(com.oracle.truffle.api.object.DynamicObject, boolean);
    descriptor: (Lcom/oracle/truffle/api/object/DynamicObject;Z)D
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
        start local 1 // com.oracle.truffle.api.object.DynamicObject store
        start local 2 // boolean condition
         0: .line 813
            aload 0 /* this */
            aload 1 /* store */
            iload 2 /* condition */
            invokevirtual com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator.getLongInternal:(Lcom/oracle/truffle/api/object/DynamicObject;Z)J
            invokestatic java.lang.Double.longBitsToDouble:(J)D
            dreturn
        end local 2 // boolean condition
        end local 1 // com.oracle.truffle.api.object.DynamicObject store
        end local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lcom/oracle/truffle/object/CoreLocations$DoubleLocationDecorator;
            0    1     1      store  Lcom/oracle/truffle/api/object/DynamicObject;
            0    1     2  condition  Z
    MethodParameters:
           Name  Flags
      store      
      condition  

  public void setDouble(com.oracle.truffle.api.object.DynamicObject, double, boolean);
    descriptor: (Lcom/oracle/truffle/api/object/DynamicObject;DZ)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=4
        start local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
        start local 1 // com.oracle.truffle.api.object.DynamicObject store
        start local 2 // double value
        start local 4 // boolean condition
         0: .line 818
            aload 0 /* this */
            aload 1 /* store */
            dload 2 /* value */
            invokestatic java.lang.Double.doubleToRawLongBits:(D)J
            iload 4 /* condition */
            invokevirtual com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator.setLongInternal:(Lcom/oracle/truffle/api/object/DynamicObject;JZ)V
         1: .line 819
            return
        end local 4 // boolean condition
        end local 2 // double value
        end local 1 // com.oracle.truffle.api.object.DynamicObject store
        end local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0       this  Lcom/oracle/truffle/object/CoreLocations$DoubleLocationDecorator;
            0    2     1      store  Lcom/oracle/truffle/api/object/DynamicObject;
            0    2     2      value  D
            0    2     4  condition  Z
    MethodParameters:
           Name  Flags
      store      
      value      
      condition  

  public final void setInternal(com.oracle.truffle.api.object.DynamicObject, java.lang.Object, boolean);
    descriptor: (Lcom/oracle/truffle/api/object/DynamicObject;Ljava/lang/Object;Z)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
        start local 1 // com.oracle.truffle.api.object.DynamicObject store
        start local 2 // java.lang.Object value
        start local 3 // boolean condition
         0: .line 823
            aload 0 /* this */
            aload 2 /* value */
            invokevirtual com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator.canStore:(Ljava/lang/Object;)Z
            ifeq 3
         1: .line 824
            aload 0 /* this */
            aload 1 /* store */
            aload 0 /* this */
            aload 2 /* value */
            invokevirtual com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator.doubleValue:(Ljava/lang/Object;)D
            iload 3 /* condition */
            invokevirtual com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator.setDouble:(Lcom/oracle/truffle/api/object/DynamicObject;DZ)V
         2: .line 825
            goto 4
         3: .line 826
      StackMap locals:
      StackMap stack:
            invokestatic com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator.incompatibleLocation:()Lcom/oracle/truffle/api/object/IncompatibleLocationException;
            athrow
         4: .line 828
      StackMap locals:
      StackMap stack:
            return
        end local 3 // boolean condition
        end local 2 // java.lang.Object value
        end local 1 // com.oracle.truffle.api.object.DynamicObject store
        end local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    5     0       this  Lcom/oracle/truffle/object/CoreLocations$DoubleLocationDecorator;
            0    5     1      store  Lcom/oracle/truffle/api/object/DynamicObject;
            0    5     2      value  Ljava/lang/Object;
            0    5     3  condition  Z
    Exceptions:
      throws com.oracle.truffle.api.object.IncompatibleLocationException
    MethodParameters:
           Name  Flags
      store      
      value      
      condition  

  private double doubleValue(java.lang.Object);
    descriptor: (Ljava/lang/Object;)D
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
        start local 1 // java.lang.Object value
         0: .line 831
            aload 0 /* this */
            getfield com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator.allowInt:Z
            ifeq 1
            aload 1 /* value */
            instanceof java.lang.Double
            ifeq 2
         1: .line 832
      StackMap locals:
      StackMap stack:
            aload 1 /* value */
            checkcast java.lang.Double
            invokevirtual java.lang.Double.doubleValue:()D
            dreturn
         2: .line 834
      StackMap locals:
      StackMap stack:
            aload 1 /* value */
            checkcast java.lang.Integer
            invokevirtual java.lang.Integer.doubleValue:()D
            dreturn
        end local 1 // java.lang.Object value
        end local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0   this  Lcom/oracle/truffle/object/CoreLocations$DoubleLocationDecorator;
            0    3     1  value  Ljava/lang/Object;
    MethodParameters:
       Name  Flags
      value  

  public final double getDouble(com.oracle.truffle.api.object.DynamicObject, com.oracle.truffle.api.object.Shape);
    descriptor: (Lcom/oracle/truffle/api/object/DynamicObject;Lcom/oracle/truffle/api/object/Shape;)D
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
        start local 1 // com.oracle.truffle.api.object.DynamicObject store
        start local 2 // com.oracle.truffle.api.object.Shape shape
         0: .line 840
            aload 0 /* this */
            aload 1 /* store */
            aload 1 /* store */
            aload 2 /* shape */
            invokestatic com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator.checkShape:(Lcom/oracle/truffle/api/object/DynamicObject;Lcom/oracle/truffle/api/object/Shape;)Z
            invokevirtual com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator.getDouble:(Lcom/oracle/truffle/api/object/DynamicObject;Z)D
            dreturn
        end local 2 // com.oracle.truffle.api.object.Shape shape
        end local 1 // com.oracle.truffle.api.object.DynamicObject store
        end local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lcom/oracle/truffle/object/CoreLocations$DoubleLocationDecorator;
            0    1     1  store  Lcom/oracle/truffle/api/object/DynamicObject;
            0    1     2  shape  Lcom/oracle/truffle/api/object/Shape;
    MethodParameters:
       Name  Flags
      store  
      shape  

  public final boolean canStore(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
        start local 1 // java.lang.Object value
         0: .line 845
            aload 1 /* value */
            instanceof java.lang.Double
            ifne 2
            aload 0 /* this */
            getfield com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator.allowInt:Z
            ifeq 1
            aload 1 /* value */
            instanceof java.lang.Integer
            ifne 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
      StackMap locals:
      StackMap stack:
         2: iconst_1
            ireturn
        end local 1 // java.lang.Object value
        end local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0   this  Lcom/oracle/truffle/object/CoreLocations$DoubleLocationDecorator;
            0    3     1  value  Ljava/lang/Object;
    MethodParameters:
       Name  Flags
      value  

  public java.lang.Class<java.lang.Double> getType();
    descriptor: ()Ljava/lang/Class;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
         0: .line 850
            getstatic java.lang.Double.TYPE:Ljava/lang/Class;
            areturn
        end local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/object/CoreLocations$DoubleLocationDecorator;
    Signature: ()Ljava/lang/Class<Ljava/lang/Double;>;

  public boolean equals(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
        start local 1 // java.lang.Object obj
         0: .line 855
            aload 0 /* this */
            aload 1 /* obj */
            invokespecial com.oracle.truffle.object.CoreLocations$PrimitiveLocationDecorator.equals:(Ljava/lang/Object;)Z
            ifeq 1
            aload 0 /* this */
            getfield com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator.allowInt:Z
            aload 1 /* obj */
            checkcast com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator
            getfield com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator.allowInt:Z
            if_icmpne 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 1 // java.lang.Object obj
        end local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/object/CoreLocations$DoubleLocationDecorator;
            0    2     1   obj  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      obj   

  public boolean isImplicitCastIntToDouble();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
         0: .line 860
            aload 0 /* this */
            getfield com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator.allowInt:Z
            ireturn
        end local 0 // com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/object/CoreLocations$DoubleLocationDecorator;
}
SourceFile: "CoreLocations.java"
NestHost: com.oracle.truffle.object.CoreLocations
InnerClasses:
  public abstract DoubleLocation = com.oracle.truffle.object.CoreLocations$DoubleLocation of com.oracle.truffle.object.CoreLocations
  DoubleLocationDecorator = com.oracle.truffle.object.CoreLocations$DoubleLocationDecorator of com.oracle.truffle.object.CoreLocations
  public abstract LongLocation = com.oracle.truffle.object.CoreLocations$LongLocation of com.oracle.truffle.object.CoreLocations
  public abstract PrimitiveLocationDecorator = com.oracle.truffle.object.CoreLocations$PrimitiveLocationDecorator of com.oracle.truffle.object.CoreLocations