public class org.antlr.runtime.tree.TreeFilter extends org.antlr.runtime.tree.TreeParser
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.antlr.runtime.tree.TreeFilter
  super_class: org.antlr.runtime.tree.TreeParser
{
  protected org.antlr.runtime.TokenStream originalTokenStream;
    descriptor: Lorg/antlr/runtime/TokenStream;
    flags: (0x0004) ACC_PROTECTED

  protected org.antlr.runtime.tree.TreeAdaptor originalAdaptor;
    descriptor: Lorg/antlr/runtime/tree/TreeAdaptor;
    flags: (0x0004) ACC_PROTECTED

  org.antlr.runtime.tree.TreeFilter$fptr topdown_fptr;
    descriptor: Lorg/antlr/runtime/tree/TreeFilter$fptr;
    flags: (0x0000) 

  org.antlr.runtime.tree.TreeFilter$fptr bottomup_fptr;
    descriptor: Lorg/antlr/runtime/tree/TreeFilter$fptr;
    flags: (0x0000) 

  public void <init>(org.antlr.runtime.tree.TreeNodeStream);
    descriptor: (Lorg/antlr/runtime/tree/TreeNodeStream;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.antlr.runtime.tree.TreeFilter this
        start local 1 // org.antlr.runtime.tree.TreeNodeStream input
         0: .line 87
            aload 0 /* this */
            aload 1 /* input */
            new org.antlr.runtime.RecognizerSharedState
            dup
            invokespecial org.antlr.runtime.RecognizerSharedState.<init>:()V
            invokespecial org.antlr.runtime.tree.TreeFilter.<init>:(Lorg/antlr/runtime/tree/TreeNodeStream;Lorg/antlr/runtime/RecognizerSharedState;)V
         1: .line 88
            return
        end local 1 // org.antlr.runtime.tree.TreeNodeStream input
        end local 0 // org.antlr.runtime.tree.TreeFilter this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lorg/antlr/runtime/tree/TreeFilter;
            0    2     1  input  Lorg/antlr/runtime/tree/TreeNodeStream;
    MethodParameters:
       Name  Flags
      input  

  public void <init>(org.antlr.runtime.tree.TreeNodeStream, org.antlr.runtime.RecognizerSharedState);
    descriptor: (Lorg/antlr/runtime/tree/TreeNodeStream;Lorg/antlr/runtime/RecognizerSharedState;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.antlr.runtime.tree.TreeFilter this
        start local 1 // org.antlr.runtime.tree.TreeNodeStream input
        start local 2 // org.antlr.runtime.RecognizerSharedState state
         0: .line 90
            aload 0 /* this */
            aload 1 /* input */
            aload 2 /* state */
            invokespecial org.antlr.runtime.tree.TreeParser.<init>:(Lorg/antlr/runtime/tree/TreeNodeStream;Lorg/antlr/runtime/RecognizerSharedState;)V
         1: .line 120
            aload 0 /* this */
            new org.antlr.runtime.tree.TreeFilter$1
            dup
            aload 0 /* this */
            invokespecial org.antlr.runtime.tree.TreeFilter$1.<init>:(Lorg/antlr/runtime/tree/TreeFilter;)V
            putfield org.antlr.runtime.tree.TreeFilter.topdown_fptr:Lorg/antlr/runtime/tree/TreeFilter$fptr;
         2: .line 127
            aload 0 /* this */
            new org.antlr.runtime.tree.TreeFilter$2
            dup
            aload 0 /* this */
            invokespecial org.antlr.runtime.tree.TreeFilter$2.<init>:(Lorg/antlr/runtime/tree/TreeFilter;)V
            putfield org.antlr.runtime.tree.TreeFilter.bottomup_fptr:Lorg/antlr/runtime/tree/TreeFilter$fptr;
         3: .line 91
            aload 0 /* this */
            aload 1 /* input */
            invokeinterface org.antlr.runtime.tree.TreeNodeStream.getTreeAdaptor:()Lorg/antlr/runtime/tree/TreeAdaptor;
            putfield org.antlr.runtime.tree.TreeFilter.originalAdaptor:Lorg/antlr/runtime/tree/TreeAdaptor;
         4: .line 92
            aload 0 /* this */
            aload 1 /* input */
            invokeinterface org.antlr.runtime.tree.TreeNodeStream.getTokenStream:()Lorg/antlr/runtime/TokenStream;
            putfield org.antlr.runtime.tree.TreeFilter.originalTokenStream:Lorg/antlr/runtime/TokenStream;
         5: .line 93
            return
        end local 2 // org.antlr.runtime.RecognizerSharedState state
        end local 1 // org.antlr.runtime.tree.TreeNodeStream input
        end local 0 // org.antlr.runtime.tree.TreeFilter this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    6     0   this  Lorg/antlr/runtime/tree/TreeFilter;
            0    6     1  input  Lorg/antlr/runtime/tree/TreeNodeStream;
            0    6     2  state  Lorg/antlr/runtime/RecognizerSharedState;
    MethodParameters:
       Name  Flags
      input  
      state  

  public void applyOnce(java.lang.Object, org.antlr.runtime.tree.TreeFilter$fptr);
    descriptor: (Ljava/lang/Object;Lorg/antlr/runtime/tree/TreeFilter$fptr;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // org.antlr.runtime.tree.TreeFilter this
        start local 1 // java.lang.Object t
        start local 2 // org.antlr.runtime.tree.TreeFilter$fptr whichRule
         0: .line 96
            aload 1 /* t */
            ifnonnull 1
            return
         1: .line 99
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            new org.antlr.runtime.RecognizerSharedState
            dup
            invokespecial org.antlr.runtime.RecognizerSharedState.<init>:()V
            putfield org.antlr.runtime.tree.TreeFilter.state:Lorg/antlr/runtime/RecognizerSharedState;
         2: .line 100
            aload 0 /* this */
            new org.antlr.runtime.tree.CommonTreeNodeStream
            dup
            aload 0 /* this */
            getfield org.antlr.runtime.tree.TreeFilter.originalAdaptor:Lorg/antlr/runtime/tree/TreeAdaptor;
            aload 1 /* t */
            invokespecial org.antlr.runtime.tree.CommonTreeNodeStream.<init>:(Lorg/antlr/runtime/tree/TreeAdaptor;Ljava/lang/Object;)V
            putfield org.antlr.runtime.tree.TreeFilter.input:Lorg/antlr/runtime/tree/TreeNodeStream;
         3: .line 101
            aload 0 /* this */
            getfield org.antlr.runtime.tree.TreeFilter.input:Lorg/antlr/runtime/tree/TreeNodeStream;
            checkcast org.antlr.runtime.tree.CommonTreeNodeStream
            aload 0 /* this */
            getfield org.antlr.runtime.tree.TreeFilter.originalTokenStream:Lorg/antlr/runtime/TokenStream;
            invokevirtual org.antlr.runtime.tree.CommonTreeNodeStream.setTokenStream:(Lorg/antlr/runtime/TokenStream;)V
         4: .line 102
            aload 0 /* this */
            iconst_1
            invokevirtual org.antlr.runtime.tree.TreeFilter.setBacktrackingLevel:(I)V
         5: .line 103
            aload 2 /* whichRule */
            invokeinterface org.antlr.runtime.tree.TreeFilter$fptr.rule:()V
         6: .line 104
            aload 0 /* this */
            iconst_0
            invokevirtual org.antlr.runtime.tree.TreeFilter.setBacktrackingLevel:(I)V
         7: .line 105
            goto 9
         8: .line 106
      StackMap locals:
      StackMap stack: org.antlr.runtime.RecognitionException
            pop
         9: .line 107
      StackMap locals:
      StackMap stack:
            return
        end local 2 // org.antlr.runtime.tree.TreeFilter$fptr whichRule
        end local 1 // java.lang.Object t
        end local 0 // org.antlr.runtime.tree.TreeFilter this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   10     0       this  Lorg/antlr/runtime/tree/TreeFilter;
            0   10     1          t  Ljava/lang/Object;
            0   10     2  whichRule  Lorg/antlr/runtime/tree/TreeFilter$fptr;
      Exception table:
        from    to  target  type
           1     7       8  Class org.antlr.runtime.RecognitionException
    MethodParameters:
           Name  Flags
      t          
      whichRule  

  public void downup(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // org.antlr.runtime.tree.TreeFilter this
        start local 1 // java.lang.Object t
         0: .line 110
            new org.antlr.runtime.tree.TreeVisitor
            dup
            new org.antlr.runtime.tree.CommonTreeAdaptor
            dup
            invokespecial org.antlr.runtime.tree.CommonTreeAdaptor.<init>:()V
            invokespecial org.antlr.runtime.tree.TreeVisitor.<init>:(Lorg/antlr/runtime/tree/TreeAdaptor;)V
            astore 2 /* v */
        start local 2 // org.antlr.runtime.tree.TreeVisitor v
         1: .line 111
            new org.antlr.runtime.tree.TreeFilter$3
            dup
            aload 0 /* this */
            invokespecial org.antlr.runtime.tree.TreeFilter$3.<init>:(Lorg/antlr/runtime/tree/TreeFilter;)V
            astore 3 /* actions */
        start local 3 // org.antlr.runtime.tree.TreeVisitorAction actions
         2: .line 117
            aload 2 /* v */
            aload 1 /* t */
            aload 3 /* actions */
            invokevirtual org.antlr.runtime.tree.TreeVisitor.visit:(Ljava/lang/Object;Lorg/antlr/runtime/tree/TreeVisitorAction;)Ljava/lang/Object;
            pop
         3: .line 118
            return
        end local 3 // org.antlr.runtime.tree.TreeVisitorAction actions
        end local 2 // org.antlr.runtime.tree.TreeVisitor v
        end local 1 // java.lang.Object t
        end local 0 // org.antlr.runtime.tree.TreeFilter this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    4     0     this  Lorg/antlr/runtime/tree/TreeFilter;
            0    4     1        t  Ljava/lang/Object;
            1    4     2        v  Lorg/antlr/runtime/tree/TreeVisitor;
            2    4     3  actions  Lorg/antlr/runtime/tree/TreeVisitorAction;
    MethodParameters:
      Name  Flags
      t     

  public void topdown();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=1, args_size=1
        start local 0 // org.antlr.runtime.tree.TreeFilter this
         0: .line 137
            return
        end local 0 // org.antlr.runtime.tree.TreeFilter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/antlr/runtime/tree/TreeFilter;
    Exceptions:
      throws org.antlr.runtime.RecognitionException

  public void bottomup();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=1, args_size=1
        start local 0 // org.antlr.runtime.tree.TreeFilter this
         0: .line 138
            return
        end local 0 // org.antlr.runtime.tree.TreeFilter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/antlr/runtime/tree/TreeFilter;
    Exceptions:
      throws org.antlr.runtime.RecognitionException
}
SourceFile: "TreeFilter.java"
NestMembers:
  org.antlr.runtime.tree.TreeFilter$1  org.antlr.runtime.tree.TreeFilter$2  org.antlr.runtime.tree.TreeFilter$3  org.antlr.runtime.tree.TreeFilter$fptr
InnerClasses:
  org.antlr.runtime.tree.TreeFilter$1
  org.antlr.runtime.tree.TreeFilter$2
  org.antlr.runtime.tree.TreeFilter$3
  public abstract fptr = org.antlr.runtime.tree.TreeFilter$fptr of org.antlr.runtime.tree.TreeFilter