class java.util.regex.Pattern$BackRef extends java.util.regex.Pattern$Node
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: java.util.regex.Pattern$BackRef
  super_class: java.util.regex.Pattern$Node
{
  int groupIndex;
    descriptor: I
    flags: (0x0000) 

  void <init>(int);
    descriptor: (I)V
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.util.regex.Pattern$BackRef this
        start local 1 // int groupCount
         0: .line 5049
            aload 0 /* this */
            invokespecial java.util.regex.Pattern$Node.<init>:()V
         1: .line 5050
            aload 0 /* this */
            iload 1 /* groupCount */
            iload 1 /* groupCount */
            iadd
            putfield java.util.regex.Pattern$BackRef.groupIndex:I
         2: .line 5051
            return
        end local 1 // int groupCount
        end local 0 // java.util.regex.Pattern$BackRef this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    3     0        this  Ljava/util/regex/Pattern$BackRef;
            0    3     1  groupCount  I
    MethodParameters:
            Name  Flags
      groupCount  

  boolean match(java.util.regex.Matcher, int, java.lang.CharSequence);
    descriptor: (Ljava/util/regex/Matcher;ILjava/lang/CharSequence;)Z
    flags: (0x0000) 
    Code:
      stack=4, locals=8, args_size=4
        start local 0 // java.util.regex.Pattern$BackRef this
        start local 1 // java.util.regex.Matcher matcher
        start local 2 // int i
        start local 3 // java.lang.CharSequence seq
         0: .line 5053
            aload 1 /* matcher */
            getfield java.util.regex.Matcher.groups:[I
            aload 0 /* this */
            getfield java.util.regex.Pattern$BackRef.groupIndex:I
            iaload
            istore 4 /* j */
        start local 4 // int j
         1: .line 5054
            aload 1 /* matcher */
            getfield java.util.regex.Matcher.groups:[I
            aload 0 /* this */
            getfield java.util.regex.Pattern$BackRef.groupIndex:I
            iconst_1
            iadd
            iaload
            istore 5 /* k */
        start local 5 // int k
         2: .line 5056
            iload 5 /* k */
            iload 4 /* j */
            isub
            istore 6 /* groupSize */
        start local 6 // int groupSize
         3: .line 5058
            iload 4 /* j */
            ifge 5
         4: .line 5059
            iconst_0
            ireturn
         5: .line 5062
      StackMap locals: int int int
      StackMap stack:
            iload 2 /* i */
            iload 6 /* groupSize */
            iadd
            aload 1 /* matcher */
            getfield java.util.regex.Matcher.to:I
            if_icmple 8
         6: .line 5063
            aload 1 /* matcher */
            iconst_1
            putfield java.util.regex.Matcher.hitEnd:Z
         7: .line 5064
            iconst_0
            ireturn
         8: .line 5068
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 7 /* index */
        start local 7 // int index
         9: goto 13
        10: .line 5069
      StackMap locals: int
      StackMap stack:
            aload 3 /* seq */
            iload 2 /* i */
            iload 7 /* index */
            iadd
            invokeinterface java.lang.CharSequence.charAt:(I)C
            aload 3 /* seq */
            iload 4 /* j */
            iload 7 /* index */
            iadd
            invokeinterface java.lang.CharSequence.charAt:(I)C
            if_icmpeq 12
        11: .line 5070
            iconst_0
            ireturn
        12: .line 5068
      StackMap locals:
      StackMap stack:
            iinc 7 /* index */ 1
      StackMap locals:
      StackMap stack:
        13: iload 7 /* index */
            iload 6 /* groupSize */
            if_icmplt 10
        end local 7 // int index
        14: .line 5072
            aload 0 /* this */
            getfield java.util.regex.Pattern$BackRef.next:Ljava/util/regex/Pattern$Node;
            aload 1 /* matcher */
            iload 2 /* i */
            iload 6 /* groupSize */
            iadd
            aload 3 /* seq */
            invokevirtual java.util.regex.Pattern$Node.match:(Ljava/util/regex/Matcher;ILjava/lang/CharSequence;)Z
            ireturn
        end local 6 // int groupSize
        end local 5 // int k
        end local 4 // int j
        end local 3 // java.lang.CharSequence seq
        end local 2 // int i
        end local 1 // java.util.regex.Matcher matcher
        end local 0 // java.util.regex.Pattern$BackRef this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   15     0       this  Ljava/util/regex/Pattern$BackRef;
            0   15     1    matcher  Ljava/util/regex/Matcher;
            0   15     2          i  I
            0   15     3        seq  Ljava/lang/CharSequence;
            1   15     4          j  I
            2   15     5          k  I
            3   15     6  groupSize  I
            9   14     7      index  I
    MethodParameters:
         Name  Flags
      matcher  
      i        
      seq      

  boolean study(java.util.regex.Pattern$TreeInfo);
    descriptor: (Ljava/util/regex/Pattern$TreeInfo;)Z
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.util.regex.Pattern$BackRef this
        start local 1 // java.util.regex.Pattern$TreeInfo info
         0: .line 5075
            aload 1 /* info */
            iconst_0
            putfield java.util.regex.Pattern$TreeInfo.maxValid:Z
         1: .line 5076
            aload 0 /* this */
            getfield java.util.regex.Pattern$BackRef.next:Ljava/util/regex/Pattern$Node;
            aload 1 /* info */
            invokevirtual java.util.regex.Pattern$Node.study:(Ljava/util/regex/Pattern$TreeInfo;)Z
            ireturn
        end local 1 // java.util.regex.Pattern$TreeInfo info
        end local 0 // java.util.regex.Pattern$BackRef this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/util/regex/Pattern$BackRef;
            0    2     1  info  Ljava/util/regex/Pattern$TreeInfo;
    MethodParameters:
      Name  Flags
      info  
}
SourceFile: "Pattern.java"
NestHost: java.util.regex.Pattern
InnerClasses:
  BackRef = java.util.regex.Pattern$BackRef of java.util.regex.Pattern
  Node = java.util.regex.Pattern$Node of java.util.regex.Pattern
  final TreeInfo = java.util.regex.Pattern$TreeInfo of java.util.regex.Pattern