class com.oracle.truffle.tck.instrumentation.VerifierInstrument$RootFrameChecker implements com.oracle.truffle.api.instrumentation.ExecutionEventListener
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.truffle.tck.instrumentation.VerifierInstrument$RootFrameChecker
  super_class: java.lang.Object
{
  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.tck.instrumentation.VerifierInstrument$RootFrameChecker this
         0: .line 258
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.truffle.tck.instrumentation.VerifierInstrument$RootFrameChecker this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/tck/instrumentation/VerifierInstrument$RootFrameChecker;

  public void onEnter(com.oracle.truffle.api.instrumentation.EventContext, com.oracle.truffle.api.frame.VirtualFrame);
    descriptor: (Lcom/oracle/truffle/api/instrumentation/EventContext;Lcom/oracle/truffle/api/frame/VirtualFrame;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.oracle.truffle.tck.instrumentation.VerifierInstrument$RootFrameChecker this
        start local 1 // com.oracle.truffle.api.instrumentation.EventContext context
        start local 2 // com.oracle.truffle.api.frame.VirtualFrame frame
         0: .line 262
            aload 1 /* context */
            aload 2 /* frame */
            invokeinterface com.oracle.truffle.api.frame.VirtualFrame.materialize:()Lcom/oracle/truffle/api/frame/MaterializedFrame;
            invokestatic com.oracle.truffle.tck.instrumentation.VerifierInstrument$RootFrameChecker.checkFrameIsEmpty:(Lcom/oracle/truffle/api/instrumentation/EventContext;Lcom/oracle/truffle/api/frame/MaterializedFrame;)V
         1: .line 263
            return
        end local 2 // com.oracle.truffle.api.frame.VirtualFrame frame
        end local 1 // com.oracle.truffle.api.instrumentation.EventContext context
        end local 0 // com.oracle.truffle.tck.instrumentation.VerifierInstrument$RootFrameChecker this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    2     0     this  Lcom/oracle/truffle/tck/instrumentation/VerifierInstrument$RootFrameChecker;
            0    2     1  context  Lcom/oracle/truffle/api/instrumentation/EventContext;
            0    2     2    frame  Lcom/oracle/truffle/api/frame/VirtualFrame;
    MethodParameters:
         Name  Flags
      context  
      frame    

  private static void checkFrameIsEmpty(com.oracle.truffle.api.instrumentation.EventContext, com.oracle.truffle.api.frame.MaterializedFrame);
    descriptor: (Lcom/oracle/truffle/api/instrumentation/EventContext;Lcom/oracle/truffle/api/frame/MaterializedFrame;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=6, args_size=2
        start local 0 // com.oracle.truffle.api.instrumentation.EventContext context
        start local 1 // com.oracle.truffle.api.frame.MaterializedFrame frame
         0: .line 267
            aload 0 /* context */
            invokevirtual com.oracle.truffle.api.instrumentation.EventContext.getInstrumentedNode:()Lcom/oracle/truffle/api/nodes/Node;
            astore 2 /* node */
        start local 2 // com.oracle.truffle.api.nodes.Node node
         1: .line 268
            aload 2 /* node */
            invokestatic com.oracle.truffle.tck.instrumentation.VerifierInstrument$RootFrameChecker.hasParentRootTag:(Lcom/oracle/truffle/api/nodes/Node;)Z
            ifne 8
         2: .line 269
            aload 2 /* node */
            invokevirtual com.oracle.truffle.api.nodes.Node.getRootNode:()Lcom/oracle/truffle/api/nodes/RootNode;
            invokevirtual com.oracle.truffle.api.nodes.RootNode.getFrameDescriptor:()Lcom/oracle/truffle/api/frame/FrameDescriptor;
            aload 1 /* frame */
            invokeinterface com.oracle.truffle.api.frame.MaterializedFrame.getFrameDescriptor:()Lcom/oracle/truffle/api/frame/FrameDescriptor;
            if_acmpne 8
         3: .line 270
            aload 1 /* frame */
            invokeinterface com.oracle.truffle.api.frame.MaterializedFrame.getFrameDescriptor:()Lcom/oracle/truffle/api/frame/FrameDescriptor;
            invokevirtual com.oracle.truffle.api.frame.FrameDescriptor.getDefaultValue:()Ljava/lang/Object;
            astore 3 /* defaultValue */
        start local 3 // java.lang.Object defaultValue
         4: .line 271
            aload 1 /* frame */
            invokeinterface com.oracle.truffle.api.frame.MaterializedFrame.getFrameDescriptor:()Lcom/oracle/truffle/api/frame/FrameDescriptor;
            invokevirtual com.oracle.truffle.api.frame.FrameDescriptor.getSlots:()Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 5
            goto 7
      StackMap locals: com.oracle.truffle.api.instrumentation.EventContext com.oracle.truffle.api.frame.MaterializedFrame com.oracle.truffle.api.nodes.Node java.lang.Object top java.util.Iterator
      StackMap stack:
         5: aload 5
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast com.oracle.truffle.api.frame.FrameSlot
            astore 4 /* slot */
        start local 4 // com.oracle.truffle.api.frame.FrameSlot slot
         6: .line 272
            ldc "Top-most nodes tagged with RootTag should have clean frames."
            aload 3 /* defaultValue */
            aload 1 /* frame */
            aload 4 /* slot */
            invokeinterface com.oracle.truffle.api.frame.MaterializedFrame.getValue:(Lcom/oracle/truffle/api/frame/FrameSlot;)Ljava/lang/Object;
            invokestatic org.junit.Assert.assertEquals:(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V
        end local 4 // com.oracle.truffle.api.frame.FrameSlot slot
         7: .line 271
      StackMap locals:
      StackMap stack:
            aload 5
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 5
        end local 3 // java.lang.Object defaultValue
         8: .line 275
      StackMap locals: com.oracle.truffle.api.instrumentation.EventContext com.oracle.truffle.api.frame.MaterializedFrame com.oracle.truffle.api.nodes.Node
      StackMap stack:
            return
        end local 2 // com.oracle.truffle.api.nodes.Node node
        end local 1 // com.oracle.truffle.api.frame.MaterializedFrame frame
        end local 0 // com.oracle.truffle.api.instrumentation.EventContext context
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    9     0       context  Lcom/oracle/truffle/api/instrumentation/EventContext;
            0    9     1         frame  Lcom/oracle/truffle/api/frame/MaterializedFrame;
            1    9     2          node  Lcom/oracle/truffle/api/nodes/Node;
            4    8     3  defaultValue  Ljava/lang/Object;
            6    7     4          slot  Lcom/oracle/truffle/api/frame/FrameSlot;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$TruffleBoundary()
    MethodParameters:
         Name  Flags
      context  
      frame    

  private static boolean hasParentRootTag(com.oracle.truffle.api.nodes.Node);
    descriptor: (Lcom/oracle/truffle/api/nodes/Node;)Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // com.oracle.truffle.api.nodes.Node node
         0: .line 278
            aload 0 /* node */
            invokevirtual com.oracle.truffle.api.nodes.Node.getParent:()Lcom/oracle/truffle/api/nodes/Node;
            astore 1 /* parent */
        start local 1 // com.oracle.truffle.api.nodes.Node parent
         1: .line 279
            aload 1 /* parent */
            ifnonnull 3
         2: .line 280
            iconst_0
            ireturn
         3: .line 282
      StackMap locals: com.oracle.truffle.api.nodes.Node
      StackMap stack:
            aload 1 /* parent */
            instanceof com.oracle.truffle.api.instrumentation.InstrumentableNode
            ifeq 5
            aload 1 /* parent */
            checkcast com.oracle.truffle.api.instrumentation.InstrumentableNode
            ldc Lcom/oracle/truffle/api/instrumentation/StandardTags$RootTag;
            invokeinterface com.oracle.truffle.api.instrumentation.InstrumentableNode.hasTag:(Ljava/lang/Class;)Z
            ifeq 5
         4: .line 283
            iconst_1
            ireturn
         5: .line 285
      StackMap locals:
      StackMap stack:
            aload 1 /* parent */
            invokestatic com.oracle.truffle.tck.instrumentation.VerifierInstrument$RootFrameChecker.hasParentRootTag:(Lcom/oracle/truffle/api/nodes/Node;)Z
            ireturn
        end local 1 // com.oracle.truffle.api.nodes.Node parent
        end local 0 // com.oracle.truffle.api.nodes.Node node
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    6     0    node  Lcom/oracle/truffle/api/nodes/Node;
            1    6     1  parent  Lcom/oracle/truffle/api/nodes/Node;
    MethodParameters:
      Name  Flags
      node  

  public void onReturnValue(com.oracle.truffle.api.instrumentation.EventContext, com.oracle.truffle.api.frame.VirtualFrame, java.lang.Object);
    descriptor: (Lcom/oracle/truffle/api/instrumentation/EventContext;Lcom/oracle/truffle/api/frame/VirtualFrame;Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=4, args_size=4
        start local 0 // com.oracle.truffle.tck.instrumentation.VerifierInstrument$RootFrameChecker this
        start local 1 // com.oracle.truffle.api.instrumentation.EventContext context
        start local 2 // com.oracle.truffle.api.frame.VirtualFrame frame
        start local 3 // java.lang.Object result
         0: .line 290
            return
        end local 3 // java.lang.Object result
        end local 2 // com.oracle.truffle.api.frame.VirtualFrame frame
        end local 1 // com.oracle.truffle.api.instrumentation.EventContext context
        end local 0 // com.oracle.truffle.tck.instrumentation.VerifierInstrument$RootFrameChecker this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Lcom/oracle/truffle/tck/instrumentation/VerifierInstrument$RootFrameChecker;
            0    1     1  context  Lcom/oracle/truffle/api/instrumentation/EventContext;
            0    1     2    frame  Lcom/oracle/truffle/api/frame/VirtualFrame;
            0    1     3   result  Ljava/lang/Object;
    MethodParameters:
         Name  Flags
      context  
      frame    
      result   

  public void onReturnExceptional(com.oracle.truffle.api.instrumentation.EventContext, com.oracle.truffle.api.frame.VirtualFrame, java.lang.Throwable);
    descriptor: (Lcom/oracle/truffle/api/instrumentation/EventContext;Lcom/oracle/truffle/api/frame/VirtualFrame;Ljava/lang/Throwable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=4, args_size=4
        start local 0 // com.oracle.truffle.tck.instrumentation.VerifierInstrument$RootFrameChecker this
        start local 1 // com.oracle.truffle.api.instrumentation.EventContext context
        start local 2 // com.oracle.truffle.api.frame.VirtualFrame frame
        start local 3 // java.lang.Throwable exception
         0: .line 294
            return
        end local 3 // java.lang.Throwable exception
        end local 2 // com.oracle.truffle.api.frame.VirtualFrame frame
        end local 1 // com.oracle.truffle.api.instrumentation.EventContext context
        end local 0 // com.oracle.truffle.tck.instrumentation.VerifierInstrument$RootFrameChecker this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lcom/oracle/truffle/tck/instrumentation/VerifierInstrument$RootFrameChecker;
            0    1     1    context  Lcom/oracle/truffle/api/instrumentation/EventContext;
            0    1     2      frame  Lcom/oracle/truffle/api/frame/VirtualFrame;
            0    1     3  exception  Ljava/lang/Throwable;
    MethodParameters:
           Name  Flags
      context    
      frame      
      exception  
}
SourceFile: "VerifierInstrument.java"
NestHost: com.oracle.truffle.tck.instrumentation.VerifierInstrument
InnerClasses:
  public abstract TruffleBoundary = com.oracle.truffle.api.CompilerDirectives$TruffleBoundary of com.oracle.truffle.api.CompilerDirectives
  public final RootTag = com.oracle.truffle.api.instrumentation.StandardTags$RootTag of com.oracle.truffle.api.instrumentation.StandardTags
  private RootFrameChecker = com.oracle.truffle.tck.instrumentation.VerifierInstrument$RootFrameChecker of com.oracle.truffle.tck.instrumentation.VerifierInstrument