https://www.graalvm.org/ 
public final class com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode extends com.oracle.truffle.js.nodes.JavaScriptNode implements com.oracle.truffle.js.nodes.RepeatableNode
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode
  super_class: com.oracle.truffle.js.nodes.JavaScriptNode
{
  private com.oracle.truffle.js.nodes.JavaScriptNode readFunctionObject;
    descriptor: Lcom/oracle/truffle/js/nodes/JavaScriptNode;
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.nodes.Node$Child()

  void <init>(com.oracle.truffle.js.nodes.JavaScriptNode);
    descriptor: (Lcom/oracle/truffle/js/nodes/JavaScriptNode;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode this
        start local 1 // com.oracle.truffle.js.nodes.JavaScriptNode readFunctionObject
         0: .line 55
            aload 0 /* this */
            invokespecial com.oracle.truffle.js.nodes.JavaScriptNode.<init>:()V
         1: .line 56
            aload 0 /* this */
            aload 1 /* readFunctionObject */
            putfield com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode.readFunctionObject:Lcom/oracle/truffle/js/nodes/JavaScriptNode;
         2: .line 57
            return
        end local 1 // com.oracle.truffle.js.nodes.JavaScriptNode readFunctionObject
        end local 0 // com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode this
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0    3     0                this  Lcom/oracle/truffle/js/nodes/arguments/AccessLexicalThisNode;
            0    3     1  readFunctionObject  Lcom/oracle/truffle/js/nodes/JavaScriptNode;
    MethodParameters:
                    Name  Flags
      readFunctionObject  

  public static com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode create(com.oracle.truffle.js.nodes.JavaScriptNode);
    descriptor: (Lcom/oracle/truffle/js/nodes/JavaScriptNode;)Lcom/oracle/truffle/js/nodes/arguments/AccessLexicalThisNode;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.nodes.JavaScriptNode readFunctionObject
         0: .line 60
            new com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode
            dup
            aload 0 /* readFunctionObject */
            invokespecial com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode.<init>:(Lcom/oracle/truffle/js/nodes/JavaScriptNode;)V
            areturn
        end local 0 // com.oracle.truffle.js.nodes.JavaScriptNode readFunctionObject
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0    1     0  readFunctionObject  Lcom/oracle/truffle/js/nodes/JavaScriptNode;
    MethodParameters:
                    Name  Flags
      readFunctionObject  

  public java.lang.Object execute(com.oracle.truffle.api.frame.VirtualFrame);
    descriptor: (Lcom/oracle/truffle/api/frame/VirtualFrame;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode this
        start local 1 // com.oracle.truffle.api.frame.VirtualFrame frame
         0: .line 65
            aload 0 /* this */
            getfield com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode.readFunctionObject:Lcom/oracle/truffle/js/nodes/JavaScriptNode;
            aload 1 /* frame */
            invokevirtual com.oracle.truffle.js.nodes.JavaScriptNode.execute:(Lcom/oracle/truffle/api/frame/VirtualFrame;)Ljava/lang/Object;
            checkcast com.oracle.truffle.js.runtime.builtins.JSFunctionObject
            astore 2 /* function */
        start local 2 // com.oracle.truffle.js.runtime.builtins.JSFunctionObject function
         1: .line 66
            aload 2 /* function */
            invokestatic com.oracle.truffle.js.runtime.builtins.JSFunction.getLexicalThis:(Lcom/oracle/truffle/api/object/DynamicObject;)Ljava/lang/Object;
            areturn
        end local 2 // com.oracle.truffle.js.runtime.builtins.JSFunctionObject function
        end local 1 // com.oracle.truffle.api.frame.VirtualFrame frame
        end local 0 // com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0      this  Lcom/oracle/truffle/js/nodes/arguments/AccessLexicalThisNode;
            0    2     1     frame  Lcom/oracle/truffle/api/frame/VirtualFrame;
            1    2     2  function  Lcom/oracle/truffle/js/runtime/builtins/JSFunctionObject;
    MethodParameters:
       Name  Flags
      frame  

  protected com.oracle.truffle.js.nodes.JavaScriptNode copyUninitialized(java.util.Set<java.lang.Class<? extends com.oracle.truffle.api.instrumentation.Tag>>);
    descriptor: (Ljava/util/Set;)Lcom/oracle/truffle/js/nodes/JavaScriptNode;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode this
        start local 1 // java.util.Set materializedTags
         0: .line 71
            aload 0 /* this */
            getfield com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode.readFunctionObject:Lcom/oracle/truffle/js/nodes/JavaScriptNode;
            aload 1 /* materializedTags */
            invokestatic com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode.cloneUninitialized:(Lcom/oracle/truffle/js/nodes/JavaScriptNode;Ljava/util/Set;)Lcom/oracle/truffle/js/nodes/JavaScriptNode;
            invokestatic com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode.create:(Lcom/oracle/truffle/js/nodes/JavaScriptNode;)Lcom/oracle/truffle/js/nodes/arguments/AccessLexicalThisNode;
            areturn
        end local 1 // java.util.Set materializedTags
        end local 0 // com.oracle.truffle.js.nodes.arguments.AccessLexicalThisNode this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    1     0              this  Lcom/oracle/truffle/js/nodes/arguments/AccessLexicalThisNode;
            0    1     1  materializedTags  Ljava/util/Set<Ljava/lang/Class<+Lcom/oracle/truffle/api/instrumentation/Tag;>;>;
    Signature: (Ljava/util/Set<Ljava/lang/Class<+Lcom/oracle/truffle/api/instrumentation/Tag;>;>;)Lcom/oracle/truffle/js/nodes/JavaScriptNode;
    MethodParameters:
                  Name  Flags
      materializedTags  
}
SourceFile: "AccessLexicalThisNode.java"
InnerClasses:
  public abstract Child = com.oracle.truffle.api.nodes.Node$Child of com.oracle.truffle.api.nodes.Node