Package org.apache.bcel.generic

Examples of org.apache.bcel.generic.ILOAD

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    il.append(new NEW(cpg.addClass(NTH_ITERATOR_CLASS)));
    il.append(DUP);
                iteratorTemp.setEnd(
                        il.append(new ALOAD(iteratorTemp.getIndex())));
                predicateValueTemp.setEnd(
                        il.append(new ILOAD(predicateValueTemp.getIndex())));
    il.append(new INVOKESPECIAL(idx));
      }
      else {
    idx = cpg.addMethodref(CURRENT_NODE_LIST_ITERATOR,
               "<init>",
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  final InstructionHandle loop = il.append(NOP);

  // Prepare to call buildKeyIndex(String name, int node, String value);
  il.append(classGen.loadTranslet());
  il.append(new PUSH(cpg, _name.toString()));
  il.append(new ILOAD(parentNode.getIndex()));

  // Now get the node value and feck it on the parameter stack
  il.append(methodGen.loadDOM());
  il.append(methodGen.loadCurrentNode());
  il.append(new INVOKEINTERFACE(getNodeValue, 2));
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             il.getEnd(), null);
  il.append(new ISTORE(match.getIndex()));

  // If pattern not reduced then check kernel
  if (!_isEpsilon) {
      il.append(new ILOAD(match.getIndex()));
       translateKernel(classGen, methodGen);
  }

  // Push current iterator and current node on the stack
  il.append(methodGen.loadCurrentNode());
  il.append(methodGen.loadIterator());

  // Create a new matching iterator using the matching node
  index = cpg.addMethodref(MATCHING_ITERATOR, "<init>",
         "(I" + NODE_ITERATOR_SIG + ")V");
  il.append(new NEW(cpg.addClass(MATCHING_ITERATOR)));
  il.append(DUP);
  il.append(new ILOAD(match.getIndex()));
  _step.translate(classGen, methodGen);
  il.append(new INVOKESPECIAL(index));

  // Get the parent of the matching node
  il.append(methodGen.loadDOM());
  il.append(new ILOAD(match.getIndex()));
  index = cpg.addInterfaceMethodref(DOM_INTF, GET_PARENT, GET_PARENT_SIG);
  il.append(new INVOKEINTERFACE(index, 2));

  // Start the iterator with the parent
  il.append(methodGen.setStartNode());

  // Overwrite current iterator and current node
  il.append(methodGen.storeIterator());
  il.append(new ILOAD(match.getIndex()));
  il.append(methodGen.storeCurrentNode());

  // Translate the expression of the predicate
  Predicate pred = (Predicate) _predicates.elementAt(0);
  Expression exp = pred.getExpr();
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      ifBlock.setTarget(il.append(NOP));
  }

  // Get the parent of the node on the stack
  il.append(methodGen.loadDOM());
  il.append(new ILOAD(node.getIndex()));
  int index = cpg.addInterfaceMethodref(DOM_INTF,
                GET_PARENT, GET_PARENT_SIG);
  il.append(new INVOKEINTERFACE(index, 2));

  // Initialize the iterator with the parent
  il.append(new ALOAD(iter.getIndex()));
  il.append(SWAP);
  il.append(methodGen.setStartNode());

  /*
   * Inline loop:
   *
   * int node2;
   * while ((node2 = iter.next()) != NodeIterator.END
   *      && node2 < node);
   * return node2 == node;
   */
  BranchHandle skipNext;
  InstructionHandle begin, next;
  node2 = methodGen.addLocalVariable("step_pattern_tmp3",
             Util.getJCRefType(NODE_SIG),
             il.getEnd(), null);

  skipNext = il.append(new GOTO(null));
  next = il.append(new ALOAD(iter.getIndex()));
  begin = il.append(methodGen.nextNode());
  il.append(DUP);
  il.append(new ISTORE(node2.getIndex()));
  _falseList.add(il.append(new IFEQ(null)));  // NodeIterator.END

  il.append(new ILOAD(node2.getIndex()));
  il.append(new ILOAD(node.getIndex()));
  il.append(new IF_ICMPLT(next));

  il.append(new ILOAD(node2.getIndex()));
  il.append(new ILOAD(node.getIndex()));
  _falseList.add(il.append(new IF_ICMPNE(null)));

  skipNext.setTarget(begin);
    }
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               il.getEnd(), null);

  // Get the 'parameter' from the stack and store it in a local var.
  il.append(new ISTORE(parentNode.getIndex())); 
  il.append(methodGen.loadDOM());
  il.append(new ILOAD(parentNode.getIndex())); 
  il.append(new INVOKEINTERFACE(getNodeIdent, 2));
  il.append(new ISTORE(parentNode.getIndex()));

  // Save current node and current iterator on the stack
  il.append(methodGen.loadCurrentNode());
  il.append(methodGen.loadIterator());

  // Overwrite current iterator with one that gives us only what we want
  _use.translate(classGen, methodGen);
  _use.startIterator(classGen, methodGen);
  il.append(methodGen.storeIterator());

  final BranchHandle nextNode = il.append(new GOTO(null));
  final InstructionHandle loop = il.append(NOP);

  // Prepare to call buildKeyIndex(String name, int node, String value);
  il.append(classGen.loadTranslet());
  il.append(new PUSH(cpg, _name.toString()));
  il.append(new ILOAD(parentNode.getIndex()));

  // Now get the node value and feck it on the parameter stack
  il.append(methodGen.loadDOM());
  il.append(methodGen.loadCurrentNode());
  il.append(new INVOKEINTERFACE(getNodeValue, 2));   
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            "(Ljava/lang/String;)I");

      // Handle elements="ns:*" type rule
      if (rule.getStrength() == RULE_NAMESPACE) {
    il.append(new ALOAD(paramDom));
    il.append(new ILOAD(paramCurrent));
    il.append(new INVOKEINTERFACE(gns,2));
    il.append(new PUSH(cpg, rule.getNamespace()));
    il.append(new INVOKEVIRTUAL(strcmp));
    il.append(ICONST_0);

    if (rule.getAction() == STRIP_SPACE) {
        strip[sCount++] = il.append(new IF_ICMPEQ(null));
    }
    else {
        preserve[pCount++] = il.append(new IF_ICMPEQ(null));
    }
      }
      // Handle elements="ns:el" type rule
      else if (rule.getStrength() == RULE_ELEMENT) {
    // Create the QName for the element
    final Parser parser = classGen.getParser();
    QName qname;
    if (rule.getNamespace() != Constants.EMPTYSTRING )
        qname = parser.getQName(rule.getNamespace(), null,
              rule.getElement());
    else
        qname = parser.getQName(rule.getElement());

    // Register the element.
    final int elementType = xsltc.registerElement(qname);
    il.append(new ILOAD(paramType));
    il.append(new PUSH(cpg, elementType));

    // Compare current node type with wanted element type
    if (rule.getAction() == STRIP_SPACE)
        strip[sCount++] = il.append(new IF_ICMPEQ(null));
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  if (methodGen instanceof CompareGenerator) {
      il.append(((CompareGenerator)methodGen).loadLastNode());
  }
  else if (methodGen instanceof TestGenerator) {
      il.append(new ILOAD(LAST_INDEX));
  }
  else {
      final ConstantPoolGen cpg = classGen.getConstantPool();
      final int getLast = cpg.addInterfaceMethodref(NODE_ITERATOR,
                "getLast",
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  final LocalVariableGen local =
      methodGen.addLocalVariable2("app", Util.getJCRefType(NODE_SIG),
          il.getEnd());

  final org.apache.bcel.generic.Instruction loadLocal =
      new ILOAD(local.getIndex());
  final org.apache.bcel.generic.Instruction storeLocal =
      new ISTORE(local.getIndex());

  if (_right instanceof StepPattern) {
      il.append(DUP);
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       String method_name, String class_name,
       InstructionList il, ConstantPoolGen cp) {
  super(access_flags, return_type, arg_types, arg_names, method_name,
        class_name, il, cp);
 
  _iloadCurrent  = new ILOAD(CURRENT_NODE_INDEX);
  _istoreCurrent = new ISTORE(CURRENT_NODE_INDEX);
  _iloadContext  = new ILOAD(CONTEXT_NODE_INDEX);
  _istoreContext  = new ILOAD(CONTEXT_NODE_INDEX);
  _astoreIterator = new ASTORE(ITERATOR_INDEX);
  _aloadIterator  = new ALOAD(ITERATOR_INDEX);
    }
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                 BOOLEAN_VALUE,
                 BOOLEAN_VALUE_SIG)));
    }

    public Instruction LOAD(int slot) {
  return new ILOAD(slot);
    }
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