com.sun.org.apache.xpath.internal.compiler.OpMap Java Examples

The following examples show how to use com.sun.org.apache.xpath.internal.compiler.OpMap. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: BasicTestIterator.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Create a LocPathIterator object, including creation
 * of step walkers from the opcode list, and call back
 * into the Compiler to create predicate expressions.
 *
 * @param compiler The Compiler which is creating
 * this expression.
 * @param opPos The position of this iterator in the
 * opcode list from the compiler.
 *
 * @throws javax.xml.transform.TransformerException
 */
protected BasicTestIterator(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis, false);

  int firstStepPos = OpMap.getFirstChildPos(opPos);
  int whatToShow = compiler.getWhatToShow(firstStepPos);

  if ((0 == (whatToShow
             & (DTMFilter.SHOW_ATTRIBUTE
             | DTMFilter.SHOW_NAMESPACE
             | DTMFilter.SHOW_ELEMENT
             | DTMFilter.SHOW_PROCESSING_INSTRUCTION)))
             || (whatToShow == DTMFilter.SHOW_ALL))
    initNodeTest(whatToShow);
  else
  {
    initNodeTest(whatToShow, compiler.getStepNS(firstStepPos),
                            compiler.getStepLocalName(firstStepPos));
  }
  initPredicateInfo(compiler, firstStepPos);
}
Example #2
Source File: BasicTestIterator.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Create a LocPathIterator object, including creation
 * of step walkers from the opcode list, and call back
 * into the Compiler to create predicate expressions.
 *
 * @param compiler The Compiler which is creating
 * this expression.
 * @param opPos The position of this iterator in the
 * opcode list from the compiler.
 *
 * @throws javax.xml.transform.TransformerException
 */
protected BasicTestIterator(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis, false);

  int firstStepPos = OpMap.getFirstChildPos(opPos);
  int whatToShow = compiler.getWhatToShow(firstStepPos);

  if ((0 == (whatToShow
             & (DTMFilter.SHOW_ATTRIBUTE
             | DTMFilter.SHOW_NAMESPACE
             | DTMFilter.SHOW_ELEMENT
             | DTMFilter.SHOW_PROCESSING_INSTRUCTION)))
             || (whatToShow == DTMFilter.SHOW_ALL))
    initNodeTest(whatToShow);
  else
  {
    initNodeTest(whatToShow, compiler.getStepNS(firstStepPos),
                            compiler.getStepLocalName(firstStepPos));
  }
  initPredicateInfo(compiler, firstStepPos);
}
Example #3
Source File: BasicTestIterator.java    From JDKSourceCode1.8 with MIT License 6 votes vote down vote up 
/**
 * Create a LocPathIterator object, including creation
 * of step walkers from the opcode list, and call back
 * into the Compiler to create predicate expressions.
 *
 * @param compiler The Compiler which is creating
 * this expression.
 * @param opPos The position of this iterator in the
 * opcode list from the compiler.
 *
 * @throws javax.xml.transform.TransformerException
 */
protected BasicTestIterator(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis, false);

  int firstStepPos = OpMap.getFirstChildPos(opPos);
  int whatToShow = compiler.getWhatToShow(firstStepPos);

  if ((0 == (whatToShow
             & (DTMFilter.SHOW_ATTRIBUTE
             | DTMFilter.SHOW_NAMESPACE
             | DTMFilter.SHOW_ELEMENT
             | DTMFilter.SHOW_PROCESSING_INSTRUCTION)))
             || (whatToShow == DTMFilter.SHOW_ALL))
    initNodeTest(whatToShow);
  else
  {
    initNodeTest(whatToShow, compiler.getStepNS(firstStepPos),
                            compiler.getStepLocalName(firstStepPos));
  }
  initPredicateInfo(compiler, firstStepPos);
}
Example #4
Source File: BasicTestIterator.java    From Bytecoder with Apache License 2.0 6 votes vote down vote up 
/**
 * Create a LocPathIterator object, including creation
 * of step walkers from the opcode list, and call back
 * into the Compiler to create predicate expressions.
 *
 * @param compiler The Compiler which is creating
 * this expression.
 * @param opPos The position of this iterator in the
 * opcode list from the compiler.
 *
 * @throws javax.xml.transform.TransformerException
 */
protected BasicTestIterator(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis, false);

  int firstStepPos = OpMap.getFirstChildPos(opPos);
  int whatToShow = compiler.getWhatToShow(firstStepPos);

  if ((0 == (whatToShow
             & (DTMFilter.SHOW_ATTRIBUTE
             | DTMFilter.SHOW_NAMESPACE
             | DTMFilter.SHOW_ELEMENT
             | DTMFilter.SHOW_PROCESSING_INSTRUCTION)))
             || (whatToShow == DTMFilter.SHOW_ALL))
    initNodeTest(whatToShow);
  else
  {
    initNodeTest(whatToShow, compiler.getStepNS(firstStepPos),
                            compiler.getStepLocalName(firstStepPos));
  }
  initPredicateInfo(compiler, firstStepPos);
}
Example #5
Source File: BasicTestIterator.java    From jdk8u60 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Create a LocPathIterator object, including creation
 * of step walkers from the opcode list, and call back
 * into the Compiler to create predicate expressions.
 *
 * @param compiler The Compiler which is creating
 * this expression.
 * @param opPos The position of this iterator in the
 * opcode list from the compiler.
 *
 * @throws javax.xml.transform.TransformerException
 */
protected BasicTestIterator(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis, false);

  int firstStepPos = OpMap.getFirstChildPos(opPos);
  int whatToShow = compiler.getWhatToShow(firstStepPos);

  if ((0 == (whatToShow
             & (DTMFilter.SHOW_ATTRIBUTE
             | DTMFilter.SHOW_NAMESPACE
             | DTMFilter.SHOW_ELEMENT
             | DTMFilter.SHOW_PROCESSING_INSTRUCTION)))
             || (whatToShow == DTMFilter.SHOW_ALL))
    initNodeTest(whatToShow);
  else
  {
    initNodeTest(whatToShow, compiler.getStepNS(firstStepPos),
                            compiler.getStepLocalName(firstStepPos));
  }
  initPredicateInfo(compiler, firstStepPos);
}
Example #6
Source File: BasicTestIterator.java    From hottub with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Create a LocPathIterator object, including creation
 * of step walkers from the opcode list, and call back
 * into the Compiler to create predicate expressions.
 *
 * @param compiler The Compiler which is creating
 * this expression.
 * @param opPos The position of this iterator in the
 * opcode list from the compiler.
 *
 * @throws javax.xml.transform.TransformerException
 */
protected BasicTestIterator(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis, false);

  int firstStepPos = OpMap.getFirstChildPos(opPos);
  int whatToShow = compiler.getWhatToShow(firstStepPos);

  if ((0 == (whatToShow
             & (DTMFilter.SHOW_ATTRIBUTE
             | DTMFilter.SHOW_NAMESPACE
             | DTMFilter.SHOW_ELEMENT
             | DTMFilter.SHOW_PROCESSING_INSTRUCTION)))
             || (whatToShow == DTMFilter.SHOW_ALL))
    initNodeTest(whatToShow);
  else
  {
    initNodeTest(whatToShow, compiler.getStepNS(firstStepPos),
                            compiler.getStepLocalName(firstStepPos));
  }
  initPredicateInfo(compiler, firstStepPos);
}
Example #7
Source File: BasicTestIterator.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Create a LocPathIterator object, including creation
 * of step walkers from the opcode list, and call back
 * into the Compiler to create predicate expressions.
 *
 * @param compiler The Compiler which is creating
 * this expression.
 * @param opPos The position of this iterator in the
 * opcode list from the compiler.
 *
 * @throws javax.xml.transform.TransformerException
 */
protected BasicTestIterator(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis, false);

  int firstStepPos = OpMap.getFirstChildPos(opPos);
  int whatToShow = compiler.getWhatToShow(firstStepPos);

  if ((0 == (whatToShow
             & (DTMFilter.SHOW_ATTRIBUTE
             | DTMFilter.SHOW_NAMESPACE
             | DTMFilter.SHOW_ELEMENT
             | DTMFilter.SHOW_PROCESSING_INSTRUCTION)))
             || (whatToShow == DTMFilter.SHOW_ALL))
    initNodeTest(whatToShow);
  else
  {
    initNodeTest(whatToShow, compiler.getStepNS(firstStepPos),
                            compiler.getStepLocalName(firstStepPos));
  }
  initPredicateInfo(compiler, firstStepPos);
}
Example #8
Source File: BasicTestIterator.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Create a LocPathIterator object, including creation
 * of step walkers from the opcode list, and call back
 * into the Compiler to create predicate expressions.
 *
 * @param compiler The Compiler which is creating
 * this expression.
 * @param opPos The position of this iterator in the
 * opcode list from the compiler.
 *
 * @throws javax.xml.transform.TransformerException
 */
protected BasicTestIterator(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis, false);

  int firstStepPos = OpMap.getFirstChildPos(opPos);
  int whatToShow = compiler.getWhatToShow(firstStepPos);

  if ((0 == (whatToShow
             & (DTMFilter.SHOW_ATTRIBUTE
             | DTMFilter.SHOW_NAMESPACE
             | DTMFilter.SHOW_ELEMENT
             | DTMFilter.SHOW_PROCESSING_INSTRUCTION)))
             || (whatToShow == DTMFilter.SHOW_ALL))
    initNodeTest(whatToShow);
  else
  {
    initNodeTest(whatToShow, compiler.getStepNS(firstStepPos),
                            compiler.getStepLocalName(firstStepPos));
  }
  initPredicateInfo(compiler, firstStepPos);
}
Example #9
Source File: BasicTestIterator.java    From openjdk-8-source with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Create a LocPathIterator object, including creation
 * of step walkers from the opcode list, and call back
 * into the Compiler to create predicate expressions.
 *
 * @param compiler The Compiler which is creating
 * this expression.
 * @param opPos The position of this iterator in the
 * opcode list from the compiler.
 *
 * @throws javax.xml.transform.TransformerException
 */
protected BasicTestIterator(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis, false);

  int firstStepPos = OpMap.getFirstChildPos(opPos);
  int whatToShow = compiler.getWhatToShow(firstStepPos);

  if ((0 == (whatToShow
             & (DTMFilter.SHOW_ATTRIBUTE
             | DTMFilter.SHOW_NAMESPACE
             | DTMFilter.SHOW_ELEMENT
             | DTMFilter.SHOW_PROCESSING_INSTRUCTION)))
             || (whatToShow == DTMFilter.SHOW_ALL))
    initNodeTest(whatToShow);
  else
  {
    initNodeTest(whatToShow, compiler.getStepNS(firstStepPos),
                            compiler.getStepLocalName(firstStepPos));
  }
  initPredicateInfo(compiler, firstStepPos);
}
Example #10
Source File: BasicTestIterator.java    From jdk1.8-source-analysis with Apache License 2.0 6 votes vote down vote up 
/**
 * Create a LocPathIterator object, including creation
 * of step walkers from the opcode list, and call back
 * into the Compiler to create predicate expressions.
 *
 * @param compiler The Compiler which is creating
 * this expression.
 * @param opPos The position of this iterator in the
 * opcode list from the compiler.
 *
 * @throws javax.xml.transform.TransformerException
 */
protected BasicTestIterator(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis, false);

  int firstStepPos = OpMap.getFirstChildPos(opPos);
  int whatToShow = compiler.getWhatToShow(firstStepPos);

  if ((0 == (whatToShow
             & (DTMFilter.SHOW_ATTRIBUTE
             | DTMFilter.SHOW_NAMESPACE
             | DTMFilter.SHOW_ELEMENT
             | DTMFilter.SHOW_PROCESSING_INSTRUCTION)))
             || (whatToShow == DTMFilter.SHOW_ALL))
    initNodeTest(whatToShow);
  else
  {
    initNodeTest(whatToShow, compiler.getStepNS(firstStepPos),
                            compiler.getStepLocalName(firstStepPos));
  }
  initPredicateInfo(compiler, firstStepPos);
}
Example #11
Source File: OneStepIterator.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
/**
 * Create a OneStepIterator object.
 *
 * @param compiler A reference to the Compiler that contains the op map.
 * @param opPos The position within the op map, which contains the
 * location path expression for this itterator.
 *
 * @throws javax.xml.transform.TransformerException
 */
OneStepIterator(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis);
  int firstStepPos = OpMap.getFirstChildPos(opPos);

  m_axis = WalkerFactory.getAxisFromStep(compiler, firstStepPos);

}
Example #12
Source File: WalkerFactory.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
static boolean isProximateInnerExpr(Compiler compiler, int opPos)
{
  int op = compiler.getOp(opPos);
  int innerExprOpPos = opPos+2;
  switch(op)
  {
    case OpCodes.OP_ARGUMENT:
      if(isProximateInnerExpr(compiler, innerExprOpPos))
        return true;
      break;
    case OpCodes.OP_VARIABLE:
    case OpCodes.OP_NUMBERLIT:
    case OpCodes.OP_LITERAL:
    case OpCodes.OP_LOCATIONPATH:
      break; // OK
    case OpCodes.OP_FUNCTION:
      boolean isProx = functionProximateOrContainsProximate(compiler, opPos);
      if(isProx)
        return true;
      break;
    case OpCodes.OP_GT:
    case OpCodes.OP_GTE:
    case OpCodes.OP_LT:
    case OpCodes.OP_LTE:
    case OpCodes.OP_EQUALS:
      int leftPos = OpMap.getFirstChildPos(op);
      int rightPos = compiler.getNextOpPos(leftPos);
      isProx = isProximateInnerExpr(compiler, leftPos);
      if(isProx)
        return true;
      isProx = isProximateInnerExpr(compiler, rightPos);
      if(isProx)
        return true;
      break;
    default:
      return true; // be conservative...
  }
  return false;
}
Example #13
Source File: WalkerFactory.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
static boolean isProximateInnerExpr(Compiler compiler, int opPos)
{
  int op = compiler.getOp(opPos);
  int innerExprOpPos = opPos+2;
  switch(op)
  {
    case OpCodes.OP_ARGUMENT:
      if(isProximateInnerExpr(compiler, innerExprOpPos))
        return true;
      break;
    case OpCodes.OP_VARIABLE:
    case OpCodes.OP_NUMBERLIT:
    case OpCodes.OP_LITERAL:
    case OpCodes.OP_LOCATIONPATH:
      break; // OK
    case OpCodes.OP_FUNCTION:
      boolean isProx = functionProximateOrContainsProximate(compiler, opPos);
      if(isProx)
        return true;
      break;
    case OpCodes.OP_GT:
    case OpCodes.OP_GTE:
    case OpCodes.OP_LT:
    case OpCodes.OP_LTE:
    case OpCodes.OP_EQUALS:
      int leftPos = OpMap.getFirstChildPos(op);
      int rightPos = compiler.getNextOpPos(leftPos);
      isProx = isProximateInnerExpr(compiler, leftPos);
      if(isProx)
        return true;
      isProx = isProximateInnerExpr(compiler, rightPos);
      if(isProx)
        return true;
      break;
    default:
      return true; // be conservative...
  }
  return false;
}
Example #14
Source File: WalkerFactory.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
static boolean functionProximateOrContainsProximate(Compiler compiler,
                                                    int opPos)
{
  int endFunc = opPos + compiler.getOp(opPos + 1) - 1;
  opPos = OpMap.getFirstChildPos(opPos);
  int funcID = compiler.getOp(opPos);
  //  System.out.println("funcID: "+funcID);
  //  System.out.println("opPos: "+opPos);
  //  System.out.println("endFunc: "+endFunc);
  switch(funcID)
  {
    case FunctionTable.FUNC_LAST:
    case FunctionTable.FUNC_POSITION:
      return true;
    default:
      opPos++;
      int i = 0;
      for (int p = opPos; p < endFunc; p = compiler.getNextOpPos(p), i++)
      {
        int innerExprOpPos = p+2;
        int argOp = compiler.getOp(innerExprOpPos);
        boolean prox = isProximateInnerExpr(compiler, innerExprOpPos);
        if(prox)
          return true;
      }

  }
  return false;
}
Example #15
Source File: OneStepIteratorForward.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Create a OneStepIterator object.
 *
 * @param compiler A reference to the Compiler that contains the op map.
 * @param opPos The position within the op map, which contains the
 * location path expression for this itterator.
 *
 * @throws javax.xml.transform.TransformerException
 */
OneStepIteratorForward(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis);
  int firstStepPos = OpMap.getFirstChildPos(opPos);

  m_axis = WalkerFactory.getAxisFromStep(compiler, firstStepPos);

}
Example #16
Source File: OneStepIterator.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Create a OneStepIterator object.
 *
 * @param compiler A reference to the Compiler that contains the op map.
 * @param opPos The position within the op map, which contains the
 * location path expression for this itterator.
 *
 * @throws javax.xml.transform.TransformerException
 */
OneStepIterator(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis);
  int firstStepPos = OpMap.getFirstChildPos(opPos);

  m_axis = WalkerFactory.getAxisFromStep(compiler, firstStepPos);

}
Example #17
Source File: OneStepIterator.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Create a OneStepIterator object.
 *
 * @param compiler A reference to the Compiler that contains the op map.
 * @param opPos The position within the op map, which contains the
 * location path expression for this itterator.
 *
 * @throws javax.xml.transform.TransformerException
 */
OneStepIterator(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis);
  int firstStepPos = OpMap.getFirstChildPos(opPos);

  m_axis = WalkerFactory.getAxisFromStep(compiler, firstStepPos);

}
Example #18
Source File: OneStepIteratorForward.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Create a OneStepIterator object.
 *
 * @param compiler A reference to the Compiler that contains the op map.
 * @param opPos The position within the op map, which contains the
 * location path expression for this itterator.
 *
 * @throws javax.xml.transform.TransformerException
 */
OneStepIteratorForward(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis);
  int firstStepPos = OpMap.getFirstChildPos(opPos);

  m_axis = WalkerFactory.getAxisFromStep(compiler, firstStepPos);

}
Example #19
Source File: OneStepIteratorForward.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
/**
 * Create a OneStepIterator object.
 *
 * @param compiler A reference to the Compiler that contains the op map.
 * @param opPos The position within the op map, which contains the
 * location path expression for this itterator.
 *
 * @throws javax.xml.transform.TransformerException
 */
OneStepIteratorForward(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis);
  int firstStepPos = OpMap.getFirstChildPos(opPos);

  m_axis = WalkerFactory.getAxisFromStep(compiler, firstStepPos);

}
Example #20
Source File: WalkerFactory.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
static boolean isProximateInnerExpr(Compiler compiler, int opPos)
{
  int op = compiler.getOp(opPos);
  int innerExprOpPos = opPos+2;
  switch(op)
  {
    case OpCodes.OP_ARGUMENT:
      if(isProximateInnerExpr(compiler, innerExprOpPos))
        return true;
      break;
    case OpCodes.OP_VARIABLE:
    case OpCodes.OP_NUMBERLIT:
    case OpCodes.OP_LITERAL:
    case OpCodes.OP_LOCATIONPATH:
      break; // OK
    case OpCodes.OP_FUNCTION:
      boolean isProx = functionProximateOrContainsProximate(compiler, opPos);
      if(isProx)
        return true;
      break;
    case OpCodes.OP_GT:
    case OpCodes.OP_GTE:
    case OpCodes.OP_LT:
    case OpCodes.OP_LTE:
    case OpCodes.OP_EQUALS:
      int leftPos = OpMap.getFirstChildPos(op);
      int rightPos = compiler.getNextOpPos(leftPos);
      isProx = isProximateInnerExpr(compiler, leftPos);
      if(isProx)
        return true;
      isProx = isProximateInnerExpr(compiler, rightPos);
      if(isProx)
        return true;
      break;
    default:
      return true; // be conservative...
  }
  return false;
}
Example #21
Source File: OneStepIteratorForward.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Create a OneStepIterator object.
 *
 * @param compiler A reference to the Compiler that contains the op map.
 * @param opPos The position within the op map, which contains the
 * location path expression for this itterator.
 *
 * @throws javax.xml.transform.TransformerException
 */
OneStepIteratorForward(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis);
  int firstStepPos = OpMap.getFirstChildPos(opPos);

  m_axis = WalkerFactory.getAxisFromStep(compiler, firstStepPos);

}
Example #22
Source File: WalkerFactory.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
static boolean isProximateInnerExpr(Compiler compiler, int opPos)
{
  int op = compiler.getOp(opPos);
  int innerExprOpPos = opPos+2;
  switch(op)
  {
    case OpCodes.OP_ARGUMENT:
      if(isProximateInnerExpr(compiler, innerExprOpPos))
        return true;
      break;
    case OpCodes.OP_VARIABLE:
    case OpCodes.OP_NUMBERLIT:
    case OpCodes.OP_LITERAL:
    case OpCodes.OP_LOCATIONPATH:
      break; // OK
    case OpCodes.OP_FUNCTION:
      boolean isProx = functionProximateOrContainsProximate(compiler, opPos);
      if(isProx)
        return true;
      break;
    case OpCodes.OP_GT:
    case OpCodes.OP_GTE:
    case OpCodes.OP_LT:
    case OpCodes.OP_LTE:
    case OpCodes.OP_EQUALS:
      int leftPos = OpMap.getFirstChildPos(op);
      int rightPos = compiler.getNextOpPos(leftPos);
      isProx = isProximateInnerExpr(compiler, leftPos);
      if(isProx)
        return true;
      isProx = isProximateInnerExpr(compiler, rightPos);
      if(isProx)
        return true;
      break;
    default:
      return true; // be conservative...
  }
  return false;
}
Example #23
Source File: WalkerFactory.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
static boolean functionProximateOrContainsProximate(Compiler compiler,
                                                    int opPos)
{
  int endFunc = opPos + compiler.getOp(opPos + 1) - 1;
  opPos = OpMap.getFirstChildPos(opPos);
  int funcID = compiler.getOp(opPos);
  //  System.out.println("funcID: "+funcID);
  //  System.out.println("opPos: "+opPos);
  //  System.out.println("endFunc: "+endFunc);
  switch(funcID)
  {
    case FunctionTable.FUNC_LAST:
    case FunctionTable.FUNC_POSITION:
      return true;
    default:
      opPos++;
      int i = 0;
      for (int p = opPos; p < endFunc; p = compiler.getNextOpPos(p), i++)
      {
        int innerExprOpPos = p+2;
        int argOp = compiler.getOp(innerExprOpPos);
        boolean prox = isProximateInnerExpr(compiler, innerExprOpPos);
        if(prox)
          return true;
      }

  }
  return false;
}
Example #24
Source File: WalkerFactory.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
static boolean isProximateInnerExpr(Compiler compiler, int opPos)
{
  int op = compiler.getOp(opPos);
  int innerExprOpPos = opPos+2;
  switch(op)
  {
    case OpCodes.OP_ARGUMENT:
      if(isProximateInnerExpr(compiler, innerExprOpPos))
        return true;
      break;
    case OpCodes.OP_VARIABLE:
    case OpCodes.OP_NUMBERLIT:
    case OpCodes.OP_LITERAL:
    case OpCodes.OP_LOCATIONPATH:
      break; // OK
    case OpCodes.OP_FUNCTION:
      boolean isProx = functionProximateOrContainsProximate(compiler, opPos);
      if(isProx)
        return true;
      break;
    case OpCodes.OP_GT:
    case OpCodes.OP_GTE:
    case OpCodes.OP_LT:
    case OpCodes.OP_LTE:
    case OpCodes.OP_EQUALS:
      int leftPos = OpMap.getFirstChildPos(op);
      int rightPos = compiler.getNextOpPos(leftPos);
      isProx = isProximateInnerExpr(compiler, leftPos);
      if(isProx)
        return true;
      isProx = isProximateInnerExpr(compiler, rightPos);
      if(isProx)
        return true;
      break;
    default:
      return true; // be conservative...
  }
  return false;
}
Example #25
Source File: OneStepIterator.java    From jdk1.8-source-analysis with Apache License 2.0 5 votes vote down vote up 
/**
 * Create a OneStepIterator object.
 *
 * @param compiler A reference to the Compiler that contains the op map.
 * @param opPos The position within the op map, which contains the
 * location path expression for this itterator.
 *
 * @throws javax.xml.transform.TransformerException
 */
OneStepIterator(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis);
  int firstStepPos = OpMap.getFirstChildPos(opPos);

  m_axis = WalkerFactory.getAxisFromStep(compiler, firstStepPos);

}
Example #26
Source File: OneStepIteratorForward.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Create a OneStepIterator object.
 *
 * @param compiler A reference to the Compiler that contains the op map.
 * @param opPos The position within the op map, which contains the
 * location path expression for this itterator.
 *
 * @throws javax.xml.transform.TransformerException
 */
OneStepIteratorForward(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis);
  int firstStepPos = OpMap.getFirstChildPos(opPos);

  m_axis = WalkerFactory.getAxisFromStep(compiler, firstStepPos);

}
Example #27
Source File: WalkerFactory.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
static boolean isProximateInnerExpr(Compiler compiler, int opPos)
{
  int op = compiler.getOp(opPos);
  int innerExprOpPos = opPos+2;
  switch(op)
  {
    case OpCodes.OP_ARGUMENT:
      if(isProximateInnerExpr(compiler, innerExprOpPos))
        return true;
      break;
    case OpCodes.OP_VARIABLE:
    case OpCodes.OP_NUMBERLIT:
    case OpCodes.OP_LITERAL:
    case OpCodes.OP_LOCATIONPATH:
      break; // OK
    case OpCodes.OP_FUNCTION:
      boolean isProx = functionProximateOrContainsProximate(compiler, opPos);
      if(isProx)
        return true;
      break;
    case OpCodes.OP_GT:
    case OpCodes.OP_GTE:
    case OpCodes.OP_LT:
    case OpCodes.OP_LTE:
    case OpCodes.OP_EQUALS:
      int leftPos = OpMap.getFirstChildPos(op);
      int rightPos = compiler.getNextOpPos(leftPos);
      isProx = isProximateInnerExpr(compiler, leftPos);
      if(isProx)
        return true;
      isProx = isProximateInnerExpr(compiler, rightPos);
      if(isProx)
        return true;
      break;
    default:
      return true; // be conservative...
  }
  return false;
}
Example #28
Source File: WalkerFactory.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
static boolean functionProximateOrContainsProximate(Compiler compiler,
                                                    int opPos)
{
  int endFunc = opPos + compiler.getOp(opPos + 1) - 1;
  opPos = OpMap.getFirstChildPos(opPos);
  int funcID = compiler.getOp(opPos);
  //  System.out.println("funcID: "+funcID);
  //  System.out.println("opPos: "+opPos);
  //  System.out.println("endFunc: "+endFunc);
  switch(funcID)
  {
    case FunctionTable.FUNC_LAST:
    case FunctionTable.FUNC_POSITION:
      return true;
    default:
      opPos++;
      int i = 0;
      for (int p = opPos; p < endFunc; p = compiler.getNextOpPos(p), i++)
      {
        int innerExprOpPos = p+2;
        int argOp = compiler.getOp(innerExprOpPos);
        boolean prox = isProximateInnerExpr(compiler, innerExprOpPos);
        if(prox)
          return true;
      }

  }
  return false;
}
Example #29
Source File: OneStepIteratorForward.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Create a OneStepIterator object.
 *
 * @param compiler A reference to the Compiler that contains the op map.
 * @param opPos The position within the op map, which contains the
 * location path expression for this itterator.
 *
 * @throws javax.xml.transform.TransformerException
 */
OneStepIteratorForward(Compiler compiler, int opPos, int analysis)
        throws javax.xml.transform.TransformerException
{
  super(compiler, opPos, analysis);
  int firstStepPos = OpMap.getFirstChildPos(opPos);

  m_axis = WalkerFactory.getAxisFromStep(compiler, firstStepPos);

}
Example #30
Source File: WalkerFactory.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
static boolean functionProximateOrContainsProximate(Compiler compiler,
                                                    int opPos)
{
  int endFunc = opPos + compiler.getOp(opPos + 1) - 1;
  opPos = OpMap.getFirstChildPos(opPos);
  int funcID = compiler.getOp(opPos);
  //  System.out.println("funcID: "+funcID);
  //  System.out.println("opPos: "+opPos);
  //  System.out.println("endFunc: "+endFunc);
  switch(funcID)
  {
    case FunctionTable.FUNC_LAST:
    case FunctionTable.FUNC_POSITION:
      return true;
    default:
      opPos++;
      int i = 0;
      for (int p = opPos; p < endFunc; p = compiler.getNextOpPos(p), i++)
      {
        int innerExprOpPos = p+2;
        int argOp = compiler.getOp(innerExprOpPos);
        boolean prox = isProximateInnerExpr(compiler, innerExprOpPos);
        if(prox)
          return true;
      }

  }
  return false;
}