https://www.graalvm.org/ 
class com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator<T, G> implements java.util.Iterator<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator
  super_class: java.lang.Object
{
  private static final java.lang.String POLYGLOT_PACKAGE;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.lang.String HOST_INTEROP_PACKAGE;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "com.oracle.truffle.polyglot."

  private static final java.lang.String[] JAVA_INTEROP_HOST_TO_GUEST;
    descriptor: [Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final java.util.Iterator<G> guestFrames;
    descriptor: Ljava/util/Iterator;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Iterator<TG;>;

  private final java.lang.StackTraceElement[] hostStack;
    descriptor: [Ljava/lang/StackTraceElement;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.ListIterator<java.lang.StackTraceElement> hostFrames;
    descriptor: Ljava/util/ListIterator;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/ListIterator<Ljava/lang/StackTraceElement;>;

  private final java.util.function.Function<java.lang.StackTraceElement, T> hostFrameConvertor;
    descriptor: Ljava/util/function/Function;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/function/Function<Ljava/lang/StackTraceElement;TT;>;

  private final java.util.function.Function<G, T> guestFrameConvertor;
    descriptor: Ljava/util/function/Function;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/function/Function<TG;TT;>;

  private boolean inHostLanguage;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  private T fetchedNext;
    descriptor: Ljava/lang/Object;
    flags: (0x0002) ACC_PRIVATE
    Signature: TT;

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 598
            ldc Lcom/oracle/truffle/polyglot/PolyglotExceptionImpl;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.$assertionsDisabled:Z
         3: .line 600
            ldc Lorg/graalvm/polyglot/Engine;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            iconst_0
            ldc Lorg/graalvm/polyglot/Engine;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            bipush 46
            invokevirtual java.lang.String.lastIndexOf:(I)I
            iconst_1
            iadd
            invokevirtual java.lang.String.substring:(II)Ljava/lang/String;
            putstatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.POLYGLOT_PACKAGE:Ljava/lang/String;
         4: .line 602
            bipush 6
            anewarray java.lang.String
            dup
            iconst_0
         5: .line 603
            ldc "com.oracle.truffle.polyglot.PolyglotMap"
            aastore
            dup
            iconst_1
         6: .line 604
            ldc "com.oracle.truffle.polyglot.PolyglotList"
            aastore
            dup
            iconst_2
         7: .line 605
            ldc "com.oracle.truffle.polyglot.PolyglotFunction"
            aastore
            dup
            iconst_3
         8: .line 606
            ldc "com.oracle.truffle.polyglot.PolyglotMapAndFunction"
            aastore
            dup
            iconst_4
         9: .line 607
            ldc "com.oracle.truffle.polyglot.FunctionProxyHandler"
            aastore
            dup
            iconst_5
        10: .line 608
            ldc "com.oracle.truffle.polyglot.ObjectProxyHandler"
            aastore
        11: .line 602
            putstatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.JAVA_INTEROP_HOST_TO_GUEST:[Ljava/lang/String;
        12: .line 609
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>(java.lang.StackTraceElement[], java.util.Iterator<G>, boolean, java.util.function.Function<java.lang.StackTraceElement, T>, java.util.function.Function<G, T>);
    descriptor: ([Ljava/lang/StackTraceElement;Ljava/util/Iterator;ZLjava/util/function/Function;Ljava/util/function/Function;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=6, args_size=6
        start local 0 // com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator this
        start local 1 // java.lang.StackTraceElement[] hostStack
        start local 2 // java.util.Iterator guestFrames
        start local 3 // boolean inHostLanguage
        start local 4 // java.util.function.Function hostFrameConvertor
        start local 5 // java.util.function.Function guestFrameConvertor
         0: .line 619
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 620
            aload 0 /* this */
            aload 1 /* hostStack */
            putfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.hostStack:[Ljava/lang/StackTraceElement;
         2: .line 621
            aload 0 /* this */
            aload 1 /* hostStack */
            invokestatic java.util.Arrays.asList:([Ljava/lang/Object;)Ljava/util/List;
            invokeinterface java.util.List.listIterator:()Ljava/util/ListIterator;
            putfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.hostFrames:Ljava/util/ListIterator;
         3: .line 622
            aload 0 /* this */
            aload 2 /* guestFrames */
            putfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.guestFrames:Ljava/util/Iterator;
         4: .line 623
            aload 0 /* this */
            iload 3 /* inHostLanguage */
            putfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.inHostLanguage:Z
         5: .line 624
            aload 0 /* this */
            aload 4 /* hostFrameConvertor */
            putfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.hostFrameConvertor:Ljava/util/function/Function;
         6: .line 625
            aload 0 /* this */
            aload 5 /* guestFrameConvertor */
            putfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.guestFrameConvertor:Ljava/util/function/Function;
         7: .line 626
            return
        end local 5 // java.util.function.Function guestFrameConvertor
        end local 4 // java.util.function.Function hostFrameConvertor
        end local 3 // boolean inHostLanguage
        end local 2 // java.util.Iterator guestFrames
        end local 1 // java.lang.StackTraceElement[] hostStack
        end local 0 // com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator this
      LocalVariableTable:
        Start  End  Slot                 Name  Signature
            0    8     0                 this  Lcom/oracle/truffle/polyglot/PolyglotExceptionImpl$MergedHostGuestIterator<TT;TG;>;
            0    8     1            hostStack  [Ljava/lang/StackTraceElement;
            0    8     2          guestFrames  Ljava/util/Iterator<TG;>;
            0    8     3       inHostLanguage  Z
            0    8     4   hostFrameConvertor  Ljava/util/function/Function<Ljava/lang/StackTraceElement;TT;>;
            0    8     5  guestFrameConvertor  Ljava/util/function/Function<TG;TT;>;
    Signature: ([Ljava/lang/StackTraceElement;Ljava/util/Iterator<TG;>;ZLjava/util/function/Function<Ljava/lang/StackTraceElement;TT;>;Ljava/util/function/Function<TG;TT;>;)V
    MethodParameters:
                     Name  Flags
      hostStack            
      guestFrames          
      inHostLanguage       
      hostFrameConvertor   
      guestFrameConvertor  

  public boolean hasNext();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator this
         0: .line 630
            aload 0 /* this */
            invokevirtual com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.fetchNext:()Ljava/lang/Object;
            ifnull 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/polyglot/PolyglotExceptionImpl$MergedHostGuestIterator<TT;TG;>;

  public T next();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator this
         0: .line 635
            aload 0 /* this */
            invokevirtual com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.fetchNext:()Ljava/lang/Object;
            astore 1 /* next */
        start local 1 // java.lang.Object next
         1: .line 636
            aload 1 /* next */
            ifnonnull 3
         2: .line 637
            new java.util.NoSuchElementException
            dup
            invokespecial java.util.NoSuchElementException.<init>:()V
            athrow
         3: .line 639
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            aconst_null
            putfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.fetchedNext:Ljava/lang/Object;
         4: .line 640
            aload 1 /* next */
            areturn
        end local 1 // java.lang.Object next
        end local 0 // com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lcom/oracle/truffle/polyglot/PolyglotExceptionImpl$MergedHostGuestIterator<TT;TG;>;
            1    5     1  next  TT;
    Signature: ()TT;

  T fetchNext();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=3, locals=4, args_size=1
        start local 0 // com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator this
         0: .line 644
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.fetchedNext:Ljava/lang/Object;
            ifnull 39
         1: .line 645
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.fetchedNext:Ljava/lang/Object;
            areturn
         2: .line 649
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.hostFrames:Ljava/util/ListIterator;
            invokeinterface java.util.ListIterator.next:()Ljava/lang/Object;
            checkcast java.lang.StackTraceElement
            astore 1 /* element */
        start local 1 // java.lang.StackTraceElement element
         3: .line 650
            aload 0 /* this */
            aload 1 /* element */
            invokevirtual com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.traceStackTraceElement:(Ljava/lang/StackTraceElement;)V
         4: .line 653
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.inHostLanguage:Z
            ifeq 17
         5: .line 654
            aload 1 /* element */
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.hostStack:[Ljava/lang/StackTraceElement;
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.hostFrames:Ljava/util/ListIterator;
            invokeinterface java.util.ListIterator.nextIndex:()I
            invokestatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.isGuestToHost:(Ljava/lang/StackTraceElement;[Ljava/lang/StackTraceElement;I)I
            istore 2 /* guestToHost */
        start local 2 // int guestToHost
         6: .line 655
            iload 2 /* guestToHost */
            iflt 28
         7: .line 656
            getstatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.$assertionsDisabled:Z
            ifne 8
            aload 1 /* element */
            invokestatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.isHostToGuest:(Ljava/lang/StackTraceElement;)Z
            ifeq 8
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         8: .line 657
      StackMap locals: java.lang.StackTraceElement int
      StackMap stack:
            aload 0 /* this */
            iconst_0
            putfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.inHostLanguage:Z
         9: .line 659
            iconst_0
            istore 3 /* i */
        start local 3 // int i
        10: goto 15
        11: .line 660
      StackMap locals: int
      StackMap stack:
            getstatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.$assertionsDisabled:Z
            ifne 12
            aload 1 /* element */
            invokestatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.isGuestToHostReflectiveCall:(Ljava/lang/StackTraceElement;)Z
            ifne 12
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        12: .line 661
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.hostFrames:Ljava/util/ListIterator;
            invokeinterface java.util.ListIterator.next:()Ljava/lang/Object;
            checkcast java.lang.StackTraceElement
            astore 1 /* element */
        13: .line 662
            aload 0 /* this */
            aload 1 /* element */
            invokevirtual com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.traceStackTraceElement:(Ljava/lang/StackTraceElement;)V
        14: .line 659
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
        15: iload 3 /* i */
            iload 2 /* guestToHost */
            if_icmplt 11
        end local 3 // int i
        16: .line 665
            getstatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.$assertionsDisabled:Z
            ifne 28
            aload 1 /* element */
            invokestatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.isGuestToHostCallFromHostInterop:(Ljava/lang/StackTraceElement;)Z
            ifne 28
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        end local 2 // int guestToHost
        17: .line 668
      StackMap locals:
      StackMap stack:
            aload 1 /* element */
            invokestatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.isHostToGuest:(Ljava/lang/StackTraceElement;)Z
            ifeq 28
        18: .line 669
            aload 0 /* this */
            iconst_1
            putfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.inHostLanguage:Z
        19: .line 672
            goto 27
        20: .line 673
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.hostFrames:Ljava/util/ListIterator;
            invokeinterface java.util.ListIterator.next:()Ljava/lang/Object;
            checkcast java.lang.StackTraceElement
            astore 2 /* next */
        start local 2 // java.lang.StackTraceElement next
        21: .line 674
            aload 0 /* this */
            aload 2 /* next */
            invokevirtual com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.traceStackTraceElement:(Ljava/lang/StackTraceElement;)V
        22: .line 675
            aload 2 /* next */
            invokestatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.isHostToGuest:(Ljava/lang/StackTraceElement;)Z
            ifeq 25
        23: .line 676
            aload 2 /* next */
            astore 1 /* element */
        24: .line 677
            goto 27
        25: .line 678
      StackMap locals: java.lang.StackTraceElement
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.hostFrames:Ljava/util/ListIterator;
            invokeinterface java.util.ListIterator.previous:()Ljava/lang/Object;
            pop
        26: .line 679
            goto 28
        end local 2 // java.lang.StackTraceElement next
        27: .line 672
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.hostFrames:Ljava/util/ListIterator;
            invokeinterface java.util.ListIterator.hasNext:()Z
            ifne 20
        28: .line 685
      StackMap locals:
      StackMap stack:
            aload 1 /* element */
            invokestatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.isGuestCall:(Ljava/lang/StackTraceElement;)Z
            ifeq 36
        29: .line 686
            aload 0 /* this */
            iconst_0
            putfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.inHostLanguage:Z
        30: .line 688
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.guestFrames:Ljava/util/Iterator;
            invokeinterface java.util.Iterator.hasNext:()Z
            ifeq 39
        31: .line 689
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.guestFrames:Ljava/util/Iterator;
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            astore 2 /* guestFrame */
        start local 2 // java.lang.Object guestFrame
        32: .line 690
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.guestFrameConvertor:Ljava/util/function/Function;
            aload 2 /* guestFrame */
            invokeinterface java.util.function.Function.apply:(Ljava/lang/Object;)Ljava/lang/Object;
            astore 3 /* frame */
        start local 3 // java.lang.Object frame
        33: .line 691
            aload 3 /* frame */
            ifnull 39
        34: .line 692
            aload 0 /* this */
            aload 3 /* frame */
            putfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.fetchedNext:Ljava/lang/Object;
        35: .line 693
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.fetchedNext:Ljava/lang/Object;
            areturn
        end local 3 // java.lang.Object frame
        end local 2 // java.lang.Object guestFrame
        36: .line 696
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.inHostLanguage:Z
            ifeq 39
        37: .line 698
            aload 0 /* this */
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.hostFrameConvertor:Ljava/util/function/Function;
            aload 1 /* element */
            invokeinterface java.util.function.Function.apply:(Ljava/lang/Object;)Ljava/lang/Object;
            putfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.fetchedNext:Ljava/lang/Object;
        38: .line 699
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.fetchedNext:Ljava/lang/Object;
            areturn
        end local 1 // java.lang.StackTraceElement element
        39: .line 648
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.hostFrames:Ljava/util/ListIterator;
            invokeinterface java.util.ListIterator.hasNext:()Z
            ifne 2
        40: .line 706
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.guestFrames:Ljava/util/Iterator;
            invokeinterface java.util.Iterator.hasNext:()Z
            ifeq 46
        41: .line 707
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.guestFrames:Ljava/util/Iterator;
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            astore 1 /* guestFrame */
        start local 1 // java.lang.Object guestFrame
        42: .line 708
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.guestFrameConvertor:Ljava/util/function/Function;
            aload 1 /* guestFrame */
            invokeinterface java.util.function.Function.apply:(Ljava/lang/Object;)Ljava/lang/Object;
            astore 2 /* frame */
        start local 2 // java.lang.Object frame
        43: .line 709
            aload 2 /* frame */
            ifnull 46
        44: .line 710
            aload 0 /* this */
            aload 2 /* frame */
            putfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.fetchedNext:Ljava/lang/Object;
        45: .line 711
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.fetchedNext:Ljava/lang/Object;
            areturn
        end local 2 // java.lang.Object frame
        end local 1 // java.lang.Object guestFrame
        46: .line 715
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 0 // com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   47     0         this  Lcom/oracle/truffle/polyglot/PolyglotExceptionImpl$MergedHostGuestIterator<TT;TG;>;
            3   39     1      element  Ljava/lang/StackTraceElement;
            6   17     2  guestToHost  I
           10   16     3            i  I
           21   27     2         next  Ljava/lang/StackTraceElement;
           32   36     2   guestFrame  TG;
           33   36     3        frame  TT;
           42   46     1   guestFrame  TG;
           43   46     2        frame  TT;
    Signature: ()TT;

  static boolean isLazyStackTraceElement(java.lang.StackTraceElement);
    descriptor: (Ljava/lang/StackTraceElement;)Z
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.lang.StackTraceElement element
         0: .line 719
            aload 0 /* element */
            ifnonnull 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // java.lang.StackTraceElement element
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    2     0  element  Ljava/lang/StackTraceElement;
    MethodParameters:
         Name  Flags
      element  

  static boolean isGuestCall(java.lang.StackTraceElement);
    descriptor: (Ljava/lang/StackTraceElement;)Z
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.lang.StackTraceElement element
         0: .line 723
            aload 0 /* element */
            invokestatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.isLazyStackTraceElement:(Ljava/lang/StackTraceElement;)Z
            ifne 1
            getstatic com.oracle.truffle.polyglot.EngineAccessor.RUNTIME:Lcom/oracle/truffle/api/impl/Accessor$RuntimeSupport;
            aload 0 /* element */
            invokevirtual com.oracle.truffle.api.impl.Accessor$RuntimeSupport.isGuestCallStackFrame:(Ljava/lang/StackTraceElement;)Z
            ifne 1
            iconst_0
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_1
            ireturn
        end local 0 // java.lang.StackTraceElement element
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    2     0  element  Ljava/lang/StackTraceElement;
    MethodParameters:
         Name  Flags
      element  

  static boolean isHostToGuest(java.lang.StackTraceElement);
    descriptor: (Ljava/lang/StackTraceElement;)Z
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=5, args_size=1
        start local 0 // java.lang.StackTraceElement element
         0: .line 727
            aload 0 /* element */
            invokestatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.isLazyStackTraceElement:(Ljava/lang/StackTraceElement;)Z
            ifeq 2
         1: .line 728
            iconst_0
            ireturn
         2: .line 730
      StackMap locals:
      StackMap stack:
            aload 0 /* element */
            invokevirtual java.lang.StackTraceElement.getClassName:()Ljava/lang/String;
            getstatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.POLYGLOT_PACKAGE:Ljava/lang/String;
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifeq 4
            aload 0 /* element */
            invokevirtual java.lang.StackTraceElement.getClassName:()Ljava/lang/String;
            bipush 46
            getstatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.POLYGLOT_PACKAGE:Ljava/lang/String;
            invokevirtual java.lang.String.length:()I
            invokevirtual java.lang.String.indexOf:(II)I
            ifge 4
         3: .line 731
            iconst_1
            ireturn
         4: .line 732
      StackMap locals:
      StackMap stack:
            aload 0 /* element */
            invokevirtual java.lang.StackTraceElement.getClassName:()Ljava/lang/String;
            ldc "com.oracle.truffle.polyglot."
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifeq 11
         5: .line 733
            getstatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.JAVA_INTEROP_HOST_TO_GUEST:[Ljava/lang/String;
            dup
            astore 4
            arraylength
            istore 3
            iconst_0
            istore 2
            goto 10
      StackMap locals: java.lang.StackTraceElement top int int java.lang.String[]
      StackMap stack:
         6: aload 4
            iload 2
            aaload
            astore 1 /* hostToGuestClassName */
        start local 1 // java.lang.String hostToGuestClassName
         7: .line 734
            aload 0 /* element */
            invokevirtual java.lang.StackTraceElement.getClassName:()Ljava/lang/String;
            aload 1 /* hostToGuestClassName */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 9
         8: .line 735
            iconst_1
            ireturn
        end local 1 // java.lang.String hostToGuestClassName
         9: .line 733
      StackMap locals:
      StackMap stack:
            iinc 2 1
      StackMap locals:
      StackMap stack:
        10: iload 2
            iload 3
            if_icmplt 6
        11: .line 739
      StackMap locals: java.lang.StackTraceElement
      StackMap stack:
            iconst_0
            ireturn
        end local 0 // java.lang.StackTraceElement element
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0   12     0               element  Ljava/lang/StackTraceElement;
            7    9     1  hostToGuestClassName  Ljava/lang/String;
    MethodParameters:
         Name  Flags
      element  

  static int isGuestToHost(java.lang.StackTraceElement, java.lang.StackTraceElement[], int);
    descriptor: (Ljava/lang/StackTraceElement;[Ljava/lang/StackTraceElement;I)I
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=5, args_size=3
        start local 0 // java.lang.StackTraceElement firstElement
        start local 1 // java.lang.StackTraceElement[] hostStack
        start local 2 // int nextElementIndex
         0: .line 744
            aload 0 /* firstElement */
            invokestatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.isLazyStackTraceElement:(Ljava/lang/StackTraceElement;)Z
            ifeq 2
         1: .line 745
            iconst_m1
            ireturn
         2: .line 748
      StackMap locals:
      StackMap stack:
            aload 0 /* firstElement */
            astore 3 /* element */
        start local 3 // java.lang.StackTraceElement element
         3: .line 749
            iload 2 /* nextElementIndex */
            istore 4 /* index */
        start local 4 // int index
         4: .line 750
            goto 6
         5: .line 751
      StackMap locals: java.lang.StackTraceElement int
      StackMap stack:
            aload 1 /* hostStack */
            iload 4 /* index */
            iinc 4 /* index */ 1
            aaload
            astore 3 /* element */
         6: .line 750
      StackMap locals:
      StackMap stack:
            aload 3 /* element */
            invokestatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.isGuestToHostReflectiveCall:(Ljava/lang/StackTraceElement;)Z
            ifeq 7
            iload 4 /* index */
            aload 1 /* hostStack */
            arraylength
            if_icmplt 5
         7: .line 753
      StackMap locals:
      StackMap stack:
            aload 3 /* element */
            invokestatic com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator.isGuestToHostCallFromHostInterop:(Ljava/lang/StackTraceElement;)Z
            ifeq 9
         8: .line 754
            iload 4 /* index */
            iload 2 /* nextElementIndex */
            isub
            ireturn
         9: .line 756
      StackMap locals:
      StackMap stack:
            iconst_m1
            ireturn
        end local 4 // int index
        end local 3 // java.lang.StackTraceElement element
        end local 2 // int nextElementIndex
        end local 1 // java.lang.StackTraceElement[] hostStack
        end local 0 // java.lang.StackTraceElement firstElement
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0   10     0      firstElement  Ljava/lang/StackTraceElement;
            0   10     1         hostStack  [Ljava/lang/StackTraceElement;
            0   10     2  nextElementIndex  I
            3   10     3           element  Ljava/lang/StackTraceElement;
            4   10     4             index  I
    MethodParameters:
                  Name  Flags
      firstElement      
      hostStack         
      nextElementIndex  

  private static boolean isGuestToHostCallFromHostInterop(java.lang.StackTraceElement);
    descriptor: (Ljava/lang/StackTraceElement;)Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.lang.StackTraceElement element
         0: .line 761
            aload 0 /* element */
            invokevirtual java.lang.StackTraceElement.getClassName:()Ljava/lang/String;
            dup
            astore 1
            invokevirtual java.lang.String.hashCode:()I
            lookupswitch { // 2
          -1867613292: 1
          -1608068812: 2
              default: 5
          }
      StackMap locals: java.lang.String
      StackMap stack:
         1: aload 1
            ldc "com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$MethodReflectImpl"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 4
            goto 5
      StackMap locals:
      StackMap stack:
         2: aload 1
            ldc "com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$MHBase"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 3
            goto 5
         3: .line 763
      StackMap locals:
      StackMap stack:
            aload 0 /* element */
            invokevirtual java.lang.StackTraceElement.getMethodName:()Ljava/lang/String;
            ldc "invokeHandle"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ireturn
         4: .line 765
      StackMap locals:
      StackMap stack:
            aload 0 /* element */
            invokevirtual java.lang.StackTraceElement.getMethodName:()Ljava/lang/String;
            ldc "reflectInvoke"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ireturn
         5: .line 767
      StackMap locals:
      StackMap stack:
            aload 0 /* element */
            invokevirtual java.lang.StackTraceElement.getClassName:()Ljava/lang/String;
            ldc "com.oracle.truffle.polyglot.HostToGuestCodeCache$"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifeq 6
            aload 0 /* element */
            invokevirtual java.lang.StackTraceElement.getMethodName:()Ljava/lang/String;
            ldc "executeImpl"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 6
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         6: iconst_0
            ireturn
        end local 0 // java.lang.StackTraceElement element
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    7     0  element  Ljava/lang/StackTraceElement;
    MethodParameters:
         Name  Flags
      element  

  private static boolean isGuestToHostReflectiveCall(java.lang.StackTraceElement);
    descriptor: (Ljava/lang/StackTraceElement;)Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.lang.StackTraceElement element
         0: .line 772
            aload 0 /* element */
            invokevirtual java.lang.StackTraceElement.getClassName:()Ljava/lang/String;
            dup
            astore 1
            invokevirtual java.lang.String.hashCode:()I
            lookupswitch { // 5
          -1888198339: 1
          -1186505468: 2
           -834868561: 3
           -655603054: 4
            253453190: 5
              default: 7
          }
      StackMap locals: java.lang.String
      StackMap stack:
         1: aload 1
            ldc "sun.reflect.DelegatingMethodAccessorImpl"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 6
            goto 7
      StackMap locals:
      StackMap stack:
         2: aload 1
            ldc "jdk.internal.reflect.NativeMethodAccessorImpl"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 6
            goto 7
      StackMap locals:
      StackMap stack:
         3: aload 1
            ldc "jdk.internal.reflect.DelegatingMethodAccessorImpl"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 6
            goto 7
      StackMap locals:
      StackMap stack:
         4: aload 1
            ldc "sun.reflect.NativeMethodAccessorImpl"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 6
            goto 7
      StackMap locals:
      StackMap stack:
         5: aload 1
            ldc "java.lang.reflect.Method"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 6
            goto 7
         6: .line 778
      StackMap locals:
      StackMap stack:
            aload 0 /* element */
            invokevirtual java.lang.StackTraceElement.getMethodName:()Ljava/lang/String;
            ldc "invoke"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ireturn
         7: .line 780
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 0 // java.lang.StackTraceElement element
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    8     0  element  Ljava/lang/StackTraceElement;
    MethodParameters:
         Name  Flags
      element  

  private void traceStackTraceElement(java.lang.StackTraceElement);
    descriptor: (Ljava/lang/StackTraceElement;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=0, locals=2, args_size=2
        start local 0 // com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator this
        start local 1 // java.lang.StackTraceElement element
         0: .line 791
            return
        end local 1 // java.lang.StackTraceElement element
        end local 0 // com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Lcom/oracle/truffle/polyglot/PolyglotExceptionImpl$MergedHostGuestIterator<TT;TG;>;
            0    1     1  element  Ljava/lang/StackTraceElement;
    MethodParameters:
         Name  Flags
      element  
}
Signature: <T:Ljava/lang/Object;G:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/Iterator<TT;>;
SourceFile: "PolyglotExceptionImpl.java"
NestHost: com.oracle.truffle.polyglot.PolyglotExceptionImpl
InnerClasses:
  public abstract RuntimeSupport = com.oracle.truffle.api.impl.Accessor$RuntimeSupport of com.oracle.truffle.api.impl.Accessor
  MergedHostGuestIterator = com.oracle.truffle.polyglot.PolyglotExceptionImpl$MergedHostGuestIterator of com.oracle.truffle.polyglot.PolyglotExceptionImpl