http://xml.apache.org/xalan-j/: Serializer to write out XML, HTML etc. as a stream of characters from an input DOM or from input SAX events. (The Apache Software Foundation) 
public class org.apache.xpath.axes.MatchPatternIterator extends org.apache.xpath.axes.LocPathIterator
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.xpath.axes.MatchPatternIterator
  super_class: org.apache.xpath.axes.LocPathIterator
{
  static final long serialVersionUID;
    descriptor: J
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: -5201153767396296474

  protected org.apache.xpath.patterns.StepPattern m_pattern;
    descriptor: Lorg/apache/xpath/patterns/StepPattern;
    flags: (0x0004) ACC_PROTECTED

  protected int m_superAxis;
    descriptor: I
    flags: (0x0004) ACC_PROTECTED

  protected org.apache.xml.dtm.DTMAxisTraverser m_traverser;
    descriptor: Lorg/apache/xml/dtm/DTMAxisTraverser;
    flags: (0x0004) ACC_PROTECTED

  private static final boolean DEBUG;
    descriptor: Z
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 0

  void <init>(org.apache.xpath.compiler.Compiler, int, int);
    descriptor: (Lorg/apache/xpath/compiler/Compiler;II)V
    flags: (0x0000) 
    Code:
      stack=5, locals=9, args_size=4
        start local 0 // org.apache.xpath.axes.MatchPatternIterator this
        start local 1 // org.apache.xpath.compiler.Compiler compiler
        start local 2 // int opPos
        start local 3 // int analysis
         0: .line 78
            aload 0 /* this */
            aload 1 /* compiler */
            iload 2 /* opPos */
            iload 3 /* analysis */
            iconst_0
            invokespecial org.apache.xpath.axes.LocPathIterator.<init>:(Lorg/apache/xpath/compiler/Compiler;IIZ)V
         1: .line 50
            aload 0 /* this */
            iconst_m1
            putfield org.apache.xpath.axes.MatchPatternIterator.m_superAxis:I
         2: .line 80
            iload 2 /* opPos */
            invokestatic org.apache.xpath.compiler.OpMap.getFirstChildPos:(I)I
            istore 4 /* firstStepPos */
        start local 4 // int firstStepPos
         3: .line 82
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* compiler */
            iload 4 /* firstStepPos */
            iconst_0
            invokestatic org.apache.xpath.axes.WalkerFactory.loadSteps:(Lorg/apache/xpath/axes/MatchPatternIterator;Lorg/apache/xpath/compiler/Compiler;II)Lorg/apache/xpath/patterns/StepPattern;
            putfield org.apache.xpath.axes.MatchPatternIterator.m_pattern:Lorg/apache/xpath/patterns/StepPattern;
         4: .line 84
            iconst_0
            istore 5 /* fromRoot */
        start local 5 // boolean fromRoot
         5: .line 85
            iconst_0
            istore 6 /* walkBack */
        start local 6 // boolean walkBack
         6: .line 86
            iconst_0
            istore 7 /* walkDescendants */
        start local 7 // boolean walkDescendants
         7: .line 87
            iconst_0
            istore 8 /* walkAttributes */
        start local 8 // boolean walkAttributes
         8: .line 89
            iload 3 /* analysis */
            ldc 671088640
            iand
            ifeq 10
         9: .line 91
            iconst_1
            istore 5 /* fromRoot */
        10: .line 93
      StackMap locals: org.apache.xpath.axes.MatchPatternIterator org.apache.xpath.compiler.Compiler int int int int int int int
      StackMap stack:
            iload 3 /* analysis */
        11: .line 94
            ldc 98066432
        12: .line 93
            iand
            ifeq 14
        13: .line 101
            iconst_1
            istore 6 /* walkBack */
        14: .line 103
      StackMap locals:
      StackMap stack:
            iload 3 /* analysis */
        15: .line 104
            ldc 458752
        16: .line 103
            iand
            ifeq 18
        17: .line 107
            iconst_1
            istore 7 /* walkDescendants */
        18: .line 109
      StackMap locals:
      StackMap stack:
            iload 3 /* analysis */
        19: .line 110
            ldc 2129920
        20: .line 109
            iand
            ifeq 22
        21: .line 111
            iconst_1
            istore 8 /* walkAttributes */
        22: .line 119
      StackMap locals:
      StackMap stack:
            iload 5 /* fromRoot */
            ifne 23
            iload 6 /* walkBack */
            ifeq 28
        23: .line 121
      StackMap locals:
      StackMap stack:
            iload 8 /* walkAttributes */
            ifeq 26
        24: .line 123
            aload 0 /* this */
            bipush 16
            putfield org.apache.xpath.axes.MatchPatternIterator.m_superAxis:I
        25: .line 124
            goto 35
        26: .line 127
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            bipush 17
            putfield org.apache.xpath.axes.MatchPatternIterator.m_superAxis:I
        27: .line 129
            goto 35
        28: .line 130
      StackMap locals:
      StackMap stack:
            iload 7 /* walkDescendants */
            ifeq 34
        29: .line 132
            iload 8 /* walkAttributes */
            ifeq 32
        30: .line 134
            aload 0 /* this */
            bipush 14
            putfield org.apache.xpath.axes.MatchPatternIterator.m_superAxis:I
        31: .line 135
            goto 35
        32: .line 138
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_5
            putfield org.apache.xpath.axes.MatchPatternIterator.m_superAxis:I
        33: .line 140
            goto 35
        34: .line 143
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            bipush 16
            putfield org.apache.xpath.axes.MatchPatternIterator.m_superAxis:I
        35: .line 150
      StackMap locals:
      StackMap stack:
            return
        end local 8 // boolean walkAttributes
        end local 7 // boolean walkDescendants
        end local 6 // boolean walkBack
        end local 5 // boolean fromRoot
        end local 4 // int firstStepPos
        end local 3 // int analysis
        end local 2 // int opPos
        end local 1 // org.apache.xpath.compiler.Compiler compiler
        end local 0 // org.apache.xpath.axes.MatchPatternIterator this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   36     0             this  Lorg/apache/xpath/axes/MatchPatternIterator;
            0   36     1         compiler  Lorg/apache/xpath/compiler/Compiler;
            0   36     2            opPos  I
            0   36     3         analysis  I
            3   36     4     firstStepPos  I
            5   36     5         fromRoot  Z
            6   36     6         walkBack  Z
            7   36     7  walkDescendants  Z
            8   36     8   walkAttributes  Z
    Exceptions:
      throws javax.xml.transform.TransformerException
    MethodParameters:
          Name  Flags
      compiler  
      opPos     
      analysis  

  public void setRoot(int, java.lang.Object);
    descriptor: (ILjava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.apache.xpath.axes.MatchPatternIterator this
        start local 1 // int context
        start local 2 // java.lang.Object environment
         0: .line 162
            aload 0 /* this */
            iload 1 /* context */
            aload 2 /* environment */
            invokespecial org.apache.xpath.axes.LocPathIterator.setRoot:(ILjava/lang/Object;)V
         1: .line 163
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_cdtm:Lorg/apache/xml/dtm/DTM;
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_superAxis:I
            invokeinterface org.apache.xml.dtm.DTM.getAxisTraverser:(I)Lorg/apache/xml/dtm/DTMAxisTraverser;
            putfield org.apache.xpath.axes.MatchPatternIterator.m_traverser:Lorg/apache/xml/dtm/DTMAxisTraverser;
         2: .line 164
            return
        end local 2 // java.lang.Object environment
        end local 1 // int context
        end local 0 // org.apache.xpath.axes.MatchPatternIterator this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    3     0         this  Lorg/apache/xpath/axes/MatchPatternIterator;
            0    3     1      context  I
            0    3     2  environment  Ljava/lang/Object;
    MethodParameters:
             Name  Flags
      context      
      environment  

  public void detach();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.xpath.axes.MatchPatternIterator this
         0: .line 175
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_allowDetach:Z
            ifeq 3
         1: .line 177
            aload 0 /* this */
            aconst_null
            putfield org.apache.xpath.axes.MatchPatternIterator.m_traverser:Lorg/apache/xml/dtm/DTMAxisTraverser;
         2: .line 180
            aload 0 /* this */
            invokespecial org.apache.xpath.axes.LocPathIterator.detach:()V
         3: .line 182
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.apache.xpath.axes.MatchPatternIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/xpath/axes/MatchPatternIterator;

  protected int getNextNode();
    descriptor: ()I
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.apache.xpath.axes.MatchPatternIterator this
         0: .line 190
            aload 0 /* this */
            iconst_m1
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_lastFetched:I
            if_icmpne 2
         1: .line 191
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_traverser:Lorg/apache/xml/dtm/DTMAxisTraverser;
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_context:I
            invokevirtual org.apache.xml.dtm.DTMAxisTraverser.first:(I)I
            goto 3
         2: .line 192
      StackMap locals:
      StackMap stack: org.apache.xpath.axes.MatchPatternIterator
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_traverser:Lorg/apache/xml/dtm/DTMAxisTraverser;
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_context:I
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_lastFetched:I
            invokevirtual org.apache.xml.dtm.DTMAxisTraverser.next:(II)I
         3: .line 190
      StackMap locals: org.apache.xpath.axes.MatchPatternIterator
      StackMap stack: org.apache.xpath.axes.MatchPatternIterator int
            putfield org.apache.xpath.axes.MatchPatternIterator.m_lastFetched:I
         4: .line 193
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_lastFetched:I
            ireturn
        end local 0 // org.apache.xpath.axes.MatchPatternIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/xpath/axes/MatchPatternIterator;

  public int nextNode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=6, args_size=1
        start local 0 // org.apache.xpath.axes.MatchPatternIterator this
         0: .line 205
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_foundLast:Z
            ifeq 2
         1: .line 206
            iconst_m1
            ireturn
         2: .line 212
      StackMap locals:
      StackMap stack:
            iconst_m1
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_stackFrame:I
            if_icmpeq 7
         3: .line 214
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_execContext:Lorg/apache/xpath/XPathContext;
            invokevirtual org.apache.xpath.XPathContext.getVarStack:()Lorg/apache/xpath/VariableStack;
            astore 2 /* vars */
        start local 2 // org.apache.xpath.VariableStack vars
         4: .line 217
            aload 2 /* vars */
            invokevirtual org.apache.xpath.VariableStack.getStackFrame:()I
            istore 3 /* savedStart */
        start local 3 // int savedStart
         5: .line 219
            aload 2 /* vars */
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_stackFrame:I
            invokevirtual org.apache.xpath.VariableStack.setStackFrame:(I)V
         6: .line 220
            goto 9
        end local 3 // int savedStart
        end local 2 // org.apache.xpath.VariableStack vars
         7: .line 224
      StackMap locals:
      StackMap stack:
            aconst_null
            astore 2 /* vars */
        start local 2 // org.apache.xpath.VariableStack vars
         8: .line 225
            iconst_0
            istore 3 /* savedStart */
        start local 3 // int savedStart
         9: .line 235
      StackMap locals: org.apache.xpath.axes.MatchPatternIterator top org.apache.xpath.VariableStack int
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.apache.xpath.axes.MatchPatternIterator.getNextNode:()I
            istore 1 /* next */
        start local 1 // int next
        10: .line 237
            iconst_m1
            iload 1 /* next */
            if_icmpeq 14
        11: .line 239
            iconst_1
            aload 0 /* this */
            iload 1 /* next */
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_execContext:Lorg/apache/xpath/XPathContext;
            invokevirtual org.apache.xpath.axes.MatchPatternIterator.acceptNode:(ILorg/apache/xpath/XPathContext;)S
            if_icmpne 13
        12: .line 240
            goto 14
        13: .line 247
      StackMap locals: org.apache.xpath.axes.MatchPatternIterator int org.apache.xpath.VariableStack int
      StackMap stack:
            iload 1 /* next */
            iconst_m1
            if_icmpne 9
        14: .line 249
      StackMap locals:
      StackMap stack:
            iconst_m1
            iload 1 /* next */
            if_icmpeq 20
        15: .line 256
            aload 0 /* this */
            invokevirtual org.apache.xpath.axes.MatchPatternIterator.incrementCurrentPos:()V
        16: .line 258
            iload 1 /* next */
            istore 5
        17: .line 269
            iconst_m1
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_stackFrame:I
            if_icmpeq 19
        18: .line 272
            aload 2 /* vars */
            iload 3 /* savedStart */
            invokevirtual org.apache.xpath.VariableStack.setStackFrame:(I)V
        19: .line 258
      StackMap locals: org.apache.xpath.axes.MatchPatternIterator int org.apache.xpath.VariableStack int top int
      StackMap stack:
            iload 5
            ireturn
        20: .line 262
      StackMap locals: org.apache.xpath.axes.MatchPatternIterator int org.apache.xpath.VariableStack int
      StackMap stack:
            aload 0 /* this */
            iconst_1
            putfield org.apache.xpath.axes.MatchPatternIterator.m_foundLast:Z
        21: .line 269
            iconst_m1
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_stackFrame:I
            if_icmpeq 23
        22: .line 272
            aload 2 /* vars */
            iload 3 /* savedStart */
            invokevirtual org.apache.xpath.VariableStack.setStackFrame:(I)V
        23: .line 264
      StackMap locals:
      StackMap stack:
            iconst_m1
            ireturn
        end local 1 // int next
        24: .line 268
      StackMap locals: org.apache.xpath.axes.MatchPatternIterator top org.apache.xpath.VariableStack int
      StackMap stack: java.lang.Throwable
            astore 4
        25: .line 269
            iconst_m1
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_stackFrame:I
            if_icmpeq 27
        26: .line 272
            aload 2 /* vars */
            iload 3 /* savedStart */
            invokevirtual org.apache.xpath.VariableStack.setStackFrame:(I)V
        27: .line 274
      StackMap locals: java.lang.Throwable
      StackMap stack:
            aload 4
            athrow
        end local 3 // int savedStart
        end local 2 // org.apache.xpath.VariableStack vars
        end local 0 // org.apache.xpath.axes.MatchPatternIterator this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   28     0        this  Lorg/apache/xpath/axes/MatchPatternIterator;
           10   24     1        next  I
            4    7     2        vars  Lorg/apache/xpath/VariableStack;
            8   28     2        vars  Lorg/apache/xpath/VariableStack;
            5    7     3  savedStart  I
            9   28     3  savedStart  I
      Exception table:
        from    to  target  type
           9    17      24  any
          20    21      24  any

  public short acceptNode(int, org.apache.xpath.XPathContext);
    descriptor: (ILorg/apache/xpath/XPathContext;)S
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=6, args_size=3
        start local 0 // org.apache.xpath.axes.MatchPatternIterator this
        start local 1 // int n
        start local 2 // org.apache.xpath.XPathContext xctxt
         0: .line 292
            aload 2 /* xctxt */
            iload 1 /* n */
            invokevirtual org.apache.xpath.XPathContext.pushCurrentNode:(I)V
         1: .line 293
            aload 2 /* xctxt */
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_context:I
            invokevirtual org.apache.xpath.XPathContext.pushIteratorRoot:(I)V
         2: .line 304
            aload 0 /* this */
            getfield org.apache.xpath.axes.MatchPatternIterator.m_pattern:Lorg/apache/xpath/patterns/StepPattern;
            aload 2 /* xctxt */
            invokevirtual org.apache.xpath.patterns.StepPattern.execute:(Lorg/apache/xpath/XPathContext;)Lorg/apache/xpath/objects/XObject;
            astore 3 /* score */
        start local 3 // org.apache.xpath.objects.XObject score
         3: .line 314
            aload 3 /* score */
            getstatic org.apache.xpath.patterns.NodeTest.SCORE_NONE:Lorg/apache/xpath/objects/XNumber;
            if_acmpne 4
            iconst_3
            goto 5
         4: .line 315
      StackMap locals: org.apache.xpath.objects.XObject
      StackMap stack:
            iconst_1
      StackMap locals:
      StackMap stack: int
         5: istore 5
         6: .line 325
            aload 2 /* xctxt */
            invokevirtual org.apache.xpath.XPathContext.popCurrentNode:()V
         7: .line 326
            aload 2 /* xctxt */
            invokevirtual org.apache.xpath.XPathContext.popIteratorRoot:()V
         8: .line 314
            iload 5
            ireturn
        end local 3 // org.apache.xpath.objects.XObject score
         9: .line 317
      StackMap locals: org.apache.xpath.axes.MatchPatternIterator int org.apache.xpath.XPathContext
      StackMap stack: javax.xml.transform.TransformerException
            astore 3 /* se */
        start local 3 // javax.xml.transform.TransformerException se
        10: .line 321
            new java.lang.RuntimeException
            dup
            aload 3 /* se */
            invokevirtual javax.xml.transform.TransformerException.getMessage:()Ljava/lang/String;
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;)V
            athrow
        end local 3 // javax.xml.transform.TransformerException se
        11: .line 324
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 4
        12: .line 325
            aload 2 /* xctxt */
            invokevirtual org.apache.xpath.XPathContext.popCurrentNode:()V
        13: .line 326
            aload 2 /* xctxt */
            invokevirtual org.apache.xpath.XPathContext.popIteratorRoot:()V
        14: .line 327
            aload 4
            athrow
        end local 2 // org.apache.xpath.XPathContext xctxt
        end local 1 // int n
        end local 0 // org.apache.xpath.axes.MatchPatternIterator this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   15     0   this  Lorg/apache/xpath/axes/MatchPatternIterator;
            0   15     1      n  I
            0   15     2  xctxt  Lorg/apache/xpath/XPathContext;
            3    9     3  score  Lorg/apache/xpath/objects/XObject;
           10   11     3     se  Ljavax/xml/transform/TransformerException;
      Exception table:
        from    to  target  type
           0     6       9  Class javax.xml.transform.TransformerException
           0     6      11  any
           9    11      11  any
    MethodParameters:
       Name  Flags
      n      
      xctxt  
}
SourceFile: "MatchPatternIterator.java"