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.operations.Operation extends org.apache.xpath.Expression implements org.apache.xpath.ExpressionOwner
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.xpath.operations.Operation
  super_class: org.apache.xpath.Expression
{
  static final long serialVersionUID;
    descriptor: J
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: -3037139537171050430

  protected org.apache.xpath.Expression m_left;
    descriptor: Lorg/apache/xpath/Expression;
    flags: (0x0004) ACC_PROTECTED

  protected org.apache.xpath.Expression m_right;
    descriptor: Lorg/apache/xpath/Expression;
    flags: (0x0004) ACC_PROTECTED

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.xpath.operations.Operation this
         0: .line 32
            aload 0 /* this */
            invokespecial org.apache.xpath.Expression.<init>:()V
            return
        end local 0 // org.apache.xpath.operations.Operation this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/xpath/operations/Operation;

  public void fixupVariables(java.util.Vector, int);
    descriptor: (Ljava/util/Vector;I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.apache.xpath.operations.Operation this
        start local 1 // java.util.Vector vars
        start local 2 // int globalsSize
         0: .line 56
            aload 0 /* this */
            getfield org.apache.xpath.operations.Operation.m_left:Lorg/apache/xpath/Expression;
            aload 1 /* vars */
            iload 2 /* globalsSize */
            invokevirtual org.apache.xpath.Expression.fixupVariables:(Ljava/util/Vector;I)V
         1: .line 57
            aload 0 /* this */
            getfield org.apache.xpath.operations.Operation.m_right:Lorg/apache/xpath/Expression;
            aload 1 /* vars */
            iload 2 /* globalsSize */
            invokevirtual org.apache.xpath.Expression.fixupVariables:(Ljava/util/Vector;I)V
         2: .line 58
            return
        end local 2 // int globalsSize
        end local 1 // java.util.Vector vars
        end local 0 // org.apache.xpath.operations.Operation this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    3     0         this  Lorg/apache/xpath/operations/Operation;
            0    3     1         vars  Ljava/util/Vector;
            0    3     2  globalsSize  I
    MethodParameters:
             Name  Flags
      vars         
      globalsSize  

  public boolean canTraverseOutsideSubtree();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.xpath.operations.Operation this
         0: .line 70
            aload 0 /* this */
            getfield org.apache.xpath.operations.Operation.m_left:Lorg/apache/xpath/Expression;
            ifnull 2
            aload 0 /* this */
            getfield org.apache.xpath.operations.Operation.m_left:Lorg/apache/xpath/Expression;
            invokevirtual org.apache.xpath.Expression.canTraverseOutsideSubtree:()Z
            ifeq 2
         1: .line 71
            iconst_1
            ireturn
         2: .line 73
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.xpath.operations.Operation.m_right:Lorg/apache/xpath/Expression;
            ifnull 4
            aload 0 /* this */
            getfield org.apache.xpath.operations.Operation.m_right:Lorg/apache/xpath/Expression;
            invokevirtual org.apache.xpath.Expression.canTraverseOutsideSubtree:()Z
            ifeq 4
         3: .line 74
            iconst_1
            ireturn
         4: .line 76
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 0 // org.apache.xpath.operations.Operation this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/xpath/operations/Operation;

  public void setLeftRight(org.apache.xpath.Expression, org.apache.xpath.Expression);
    descriptor: (Lorg/apache/xpath/Expression;Lorg/apache/xpath/Expression;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.apache.xpath.operations.Operation this
        start local 1 // org.apache.xpath.Expression l
        start local 2 // org.apache.xpath.Expression r
         0: .line 88
            aload 0 /* this */
            aload 1 /* l */
            putfield org.apache.xpath.operations.Operation.m_left:Lorg/apache/xpath/Expression;
         1: .line 89
            aload 0 /* this */
            aload 2 /* r */
            putfield org.apache.xpath.operations.Operation.m_right:Lorg/apache/xpath/Expression;
         2: .line 90
            aload 1 /* l */
            aload 0 /* this */
            invokevirtual org.apache.xpath.Expression.exprSetParent:(Lorg/apache/xpath/ExpressionNode;)V
         3: .line 91
            aload 2 /* r */
            aload 0 /* this */
            invokevirtual org.apache.xpath.Expression.exprSetParent:(Lorg/apache/xpath/ExpressionNode;)V
         4: .line 92
            return
        end local 2 // org.apache.xpath.Expression r
        end local 1 // org.apache.xpath.Expression l
        end local 0 // org.apache.xpath.operations.Operation this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/xpath/operations/Operation;
            0    5     1     l  Lorg/apache/xpath/Expression;
            0    5     2     r  Lorg/apache/xpath/Expression;
    MethodParameters:
      Name  Flags
      l     
      r     

  public org.apache.xpath.objects.XObject execute(org.apache.xpath.XPathContext);
    descriptor: (Lorg/apache/xpath/XPathContext;)Lorg/apache/xpath/objects/XObject;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=5, args_size=2
        start local 0 // org.apache.xpath.operations.Operation this
        start local 1 // org.apache.xpath.XPathContext xctxt
         0: .line 109
            aload 0 /* this */
            getfield org.apache.xpath.operations.Operation.m_left:Lorg/apache/xpath/Expression;
            aload 1 /* xctxt */
            iconst_1
            invokevirtual org.apache.xpath.Expression.execute:(Lorg/apache/xpath/XPathContext;Z)Lorg/apache/xpath/objects/XObject;
            astore 2 /* left */
        start local 2 // org.apache.xpath.objects.XObject left
         1: .line 110
            aload 0 /* this */
            getfield org.apache.xpath.operations.Operation.m_right:Lorg/apache/xpath/Expression;
            aload 1 /* xctxt */
            iconst_1
            invokevirtual org.apache.xpath.Expression.execute:(Lorg/apache/xpath/XPathContext;Z)Lorg/apache/xpath/objects/XObject;
            astore 3 /* right */
        start local 3 // org.apache.xpath.objects.XObject right
         2: .line 112
            aload 0 /* this */
            aload 2 /* left */
            aload 3 /* right */
            invokevirtual org.apache.xpath.operations.Operation.operate:(Lorg/apache/xpath/objects/XObject;Lorg/apache/xpath/objects/XObject;)Lorg/apache/xpath/objects/XObject;
            astore 4 /* result */
        start local 4 // org.apache.xpath.objects.XObject result
         3: .line 113
            aload 2 /* left */
            invokevirtual org.apache.xpath.objects.XObject.detach:()V
         4: .line 114
            aload 3 /* right */
            invokevirtual org.apache.xpath.objects.XObject.detach:()V
         5: .line 115
            aload 4 /* result */
            areturn
        end local 4 // org.apache.xpath.objects.XObject result
        end local 3 // org.apache.xpath.objects.XObject right
        end local 2 // org.apache.xpath.objects.XObject left
        end local 1 // org.apache.xpath.XPathContext xctxt
        end local 0 // org.apache.xpath.operations.Operation this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    6     0    this  Lorg/apache/xpath/operations/Operation;
            0    6     1   xctxt  Lorg/apache/xpath/XPathContext;
            1    6     2    left  Lorg/apache/xpath/objects/XObject;
            2    6     3   right  Lorg/apache/xpath/objects/XObject;
            3    6     4  result  Lorg/apache/xpath/objects/XObject;
    Exceptions:
      throws javax.xml.transform.TransformerException
    MethodParameters:
       Name  Flags
      xctxt  

  public org.apache.xpath.objects.XObject operate(org.apache.xpath.objects.XObject, org.apache.xpath.objects.XObject);
    descriptor: (Lorg/apache/xpath/objects/XObject;Lorg/apache/xpath/objects/XObject;)Lorg/apache/xpath/objects/XObject;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=3, args_size=3
        start local 0 // org.apache.xpath.operations.Operation this
        start local 1 // org.apache.xpath.objects.XObject left
        start local 2 // org.apache.xpath.objects.XObject right
         0: .line 132
            aconst_null
            areturn
        end local 2 // org.apache.xpath.objects.XObject right
        end local 1 // org.apache.xpath.objects.XObject left
        end local 0 // org.apache.xpath.operations.Operation this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lorg/apache/xpath/operations/Operation;
            0    1     1   left  Lorg/apache/xpath/objects/XObject;
            0    1     2  right  Lorg/apache/xpath/objects/XObject;
    Exceptions:
      throws javax.xml.transform.TransformerException
    MethodParameters:
       Name  Flags
      left   
      right  

  public org.apache.xpath.Expression getLeftOperand();
    descriptor: ()Lorg/apache/xpath/Expression;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.xpath.operations.Operation this
         0: .line 138
            aload 0 /* this */
            getfield org.apache.xpath.operations.Operation.m_left:Lorg/apache/xpath/Expression;
            areturn
        end local 0 // org.apache.xpath.operations.Operation this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/xpath/operations/Operation;

  public org.apache.xpath.Expression getRightOperand();
    descriptor: ()Lorg/apache/xpath/Expression;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.xpath.operations.Operation this
         0: .line 144
            aload 0 /* this */
            getfield org.apache.xpath.operations.Operation.m_right:Lorg/apache/xpath/Expression;
            areturn
        end local 0 // org.apache.xpath.operations.Operation this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/xpath/operations/Operation;

  public void callVisitors(org.apache.xpath.ExpressionOwner, org.apache.xpath.XPathVisitor);
    descriptor: (Lorg/apache/xpath/ExpressionOwner;Lorg/apache/xpath/XPathVisitor;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.apache.xpath.operations.Operation this
        start local 1 // org.apache.xpath.ExpressionOwner owner
        start local 2 // org.apache.xpath.XPathVisitor visitor
         0: .line 172
            aload 2 /* visitor */
            aload 1 /* owner */
            aload 0 /* this */
            invokevirtual org.apache.xpath.XPathVisitor.visitBinaryOperation:(Lorg/apache/xpath/ExpressionOwner;Lorg/apache/xpath/operations/Operation;)Z
            ifeq 3
         1: .line 174
            aload 0 /* this */
            getfield org.apache.xpath.operations.Operation.m_left:Lorg/apache/xpath/Expression;
            new org.apache.xpath.operations.Operation$LeftExprOwner
            dup
            aload 0 /* this */
            invokespecial org.apache.xpath.operations.Operation$LeftExprOwner.<init>:(Lorg/apache/xpath/operations/Operation;)V
            aload 2 /* visitor */
            invokevirtual org.apache.xpath.Expression.callVisitors:(Lorg/apache/xpath/ExpressionOwner;Lorg/apache/xpath/XPathVisitor;)V
         2: .line 175
            aload 0 /* this */
            getfield org.apache.xpath.operations.Operation.m_right:Lorg/apache/xpath/Expression;
            aload 0 /* this */
            aload 2 /* visitor */
            invokevirtual org.apache.xpath.Expression.callVisitors:(Lorg/apache/xpath/ExpressionOwner;Lorg/apache/xpath/XPathVisitor;)V
         3: .line 177
      StackMap locals:
      StackMap stack:
            return
        end local 2 // org.apache.xpath.XPathVisitor visitor
        end local 1 // org.apache.xpath.ExpressionOwner owner
        end local 0 // org.apache.xpath.operations.Operation this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    4     0     this  Lorg/apache/xpath/operations/Operation;
            0    4     1    owner  Lorg/apache/xpath/ExpressionOwner;
            0    4     2  visitor  Lorg/apache/xpath/XPathVisitor;
    MethodParameters:
         Name  Flags
      owner    
      visitor  

  public org.apache.xpath.Expression getExpression();
    descriptor: ()Lorg/apache/xpath/Expression;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.xpath.operations.Operation this
         0: .line 184
            aload 0 /* this */
            getfield org.apache.xpath.operations.Operation.m_right:Lorg/apache/xpath/Expression;
            areturn
        end local 0 // org.apache.xpath.operations.Operation this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/xpath/operations/Operation;

  public void setExpression(org.apache.xpath.Expression);
    descriptor: (Lorg/apache/xpath/Expression;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.xpath.operations.Operation this
        start local 1 // org.apache.xpath.Expression exp
         0: .line 192
            aload 1 /* exp */
            aload 0 /* this */
            invokevirtual org.apache.xpath.Expression.exprSetParent:(Lorg/apache/xpath/ExpressionNode;)V
         1: .line 193
            aload 0 /* this */
            aload 1 /* exp */
            putfield org.apache.xpath.operations.Operation.m_right:Lorg/apache/xpath/Expression;
         2: .line 194
            return
        end local 1 // org.apache.xpath.Expression exp
        end local 0 // org.apache.xpath.operations.Operation this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/xpath/operations/Operation;
            0    3     1   exp  Lorg/apache/xpath/Expression;
    MethodParameters:
      Name  Flags
      exp   

  public boolean deepEquals(org.apache.xpath.Expression);
    descriptor: (Lorg/apache/xpath/Expression;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.xpath.operations.Operation this
        start local 1 // org.apache.xpath.Expression expr
         0: .line 201
            aload 0 /* this */
            aload 1 /* expr */
            invokevirtual org.apache.xpath.operations.Operation.isSameClass:(Lorg/apache/xpath/Expression;)Z
            ifne 2
         1: .line 202
            iconst_0
            ireturn
         2: .line 204
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.xpath.operations.Operation.m_left:Lorg/apache/xpath/Expression;
            aload 1 /* expr */
            checkcast org.apache.xpath.operations.Operation
            getfield org.apache.xpath.operations.Operation.m_left:Lorg/apache/xpath/Expression;
            invokevirtual org.apache.xpath.Expression.deepEquals:(Lorg/apache/xpath/Expression;)Z
            ifne 4
         3: .line 205
            iconst_0
            ireturn
         4: .line 207
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.xpath.operations.Operation.m_right:Lorg/apache/xpath/Expression;
            aload 1 /* expr */
            checkcast org.apache.xpath.operations.Operation
            getfield org.apache.xpath.operations.Operation.m_right:Lorg/apache/xpath/Expression;
            invokevirtual org.apache.xpath.Expression.deepEquals:(Lorg/apache/xpath/Expression;)Z
            ifne 6
         5: .line 208
            iconst_0
            ireturn
         6: .line 210
      StackMap locals:
      StackMap stack:
            iconst_1
            ireturn
        end local 1 // org.apache.xpath.Expression expr
        end local 0 // org.apache.xpath.operations.Operation this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lorg/apache/xpath/operations/Operation;
            0    7     1  expr  Lorg/apache/xpath/Expression;
    MethodParameters:
      Name  Flags
      expr  
}
SourceFile: "Operation.java"
NestMembers:
  org.apache.xpath.operations.Operation$LeftExprOwner
InnerClasses:
  LeftExprOwner = org.apache.xpath.operations.Operation$LeftExprOwner of org.apache.xpath.operations.Operation