Package com.sun.org.apache.bcel.internal.generic

Examples of com.sun.org.apache.bcel.internal.generic.PUSH

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      // 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));
    else
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        _allAttributesUnique = checkAttributesUnique();

        // Compile code to emit element start tag
        il.append(methodGen.loadHandler());

        il.append(new PUSH(cpg, _name));
        il.append(DUP2);                // duplicate these 2 args for endElement
        il.append(methodGen.startElement());

        // The value of an attribute may depend on a (sibling) variable
        int j=0;
        while (j < elementCount())  {
            final SyntaxTreeNode item = (SyntaxTreeNode) elementAt(j);
            if (item instanceof Variable) {
                item.translate(classGen, methodGen);
            }
            j++;
        }

        // Compile code to emit namespace attributes
        if (_accessedPrefixes != null) {
            boolean declaresDefaultNS = false;
            Enumeration e = _accessedPrefixes.keys();

            while (e.hasMoreElements()) {
                final String prefix = (String)e.nextElement();
                final String uri = (String)_accessedPrefixes.get(prefix);

                if (uri != Constants.EMPTYSTRING ||
                        prefix != Constants.EMPTYSTRING)
                {
                    if (prefix == Constants.EMPTYSTRING) {
                        declaresDefaultNS = true;
                    }
                    il.append(methodGen.loadHandler());
                    il.append(new PUSH(cpg,prefix));
                    il.append(new PUSH(cpg,uri));
                    il.append(methodGen.namespace());
                }
            }

            /*
             * If our XslElement parent redeclares the default NS, and this
             * element doesn't, it must be redeclared one more time.
             */
            if (!declaresDefaultNS && (_parent instanceof XslElement)
                    && ((XslElement) _parent).declaresDefaultNS())
            {
                il.append(methodGen.loadHandler());
                il.append(new PUSH(cpg, Constants.EMPTYSTRING));
                il.append(new PUSH(cpg, Constants.EMPTYSTRING));
                il.append(methodGen.namespace());
            }
        }

        // Output all attributes
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    public void translateLang(ClassGenerator classGen,
                   MethodGenerator methodGen) {
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();
    il.append(new PUSH(cpg, _lang)); // bug! see 26869
    }
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            final int children = cpg.addInterfaceMethodref(DOM_INTF,
                                                           "getAxisIterator",
                                                           "(I)"+
                                                           NODE_ITERATOR_SIG);
            il.append(methodGen.loadDOM());
            il.append(new PUSH(cpg, Axis.CHILD));
            il.append(new INVOKEINTERFACE(children, 2));
        }
        else {
            nodeSet.translate(classGen, methodGen);
        }
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        // Compile code that initializes the static _sortOrder
        LocalVariableGen sortOrderTemp
                 = methodGen.addLocalVariable("sort_order_tmp",
                                      Util.getJCRefType("[" + STRING_SIG),
                                      null, null);
        il.append(new PUSH(cpg, nsorts));
        il.append(new ANEWARRAY(cpg.addClass(STRING)));
        for (int level = 0; level < nsorts; level++) {
            final Sort sort = (Sort)sortObjects.elementAt(level);
            il.append(DUP);
            il.append(new PUSH(cpg, level));
            sort.translateSortOrder(classGen, methodGen);
            il.append(AASTORE);
        }
        sortOrderTemp.setStart(il.append(new ASTORE(sortOrderTemp.getIndex())));

        LocalVariableGen sortTypeTemp
                 = methodGen.addLocalVariable("sort_type_tmp",
                                      Util.getJCRefType("[" + STRING_SIG),
                                      null, null);
        il.append(new PUSH(cpg, nsorts));
        il.append(new ANEWARRAY(cpg.addClass(STRING)));
        for (int level = 0; level < nsorts; level++) {
            final Sort sort = (Sort)sortObjects.elementAt(level);
            il.append(DUP);
            il.append(new PUSH(cpg, level));
            sort.translateSortType(classGen, methodGen);
            il.append(AASTORE);
        }
        sortTypeTemp.setStart(il.append(new ASTORE(sortTypeTemp.getIndex())));

        LocalVariableGen sortLangTemp
                 = methodGen.addLocalVariable("sort_lang_tmp",
                                      Util.getJCRefType("[" + STRING_SIG),
                                      null, null);
        il.append(new PUSH(cpg, nsorts));
        il.append(new ANEWARRAY(cpg.addClass(STRING)));
        for (int level = 0; level < nsorts; level++) {
              final Sort sort = (Sort)sortObjects.elementAt(level);
              il.append(DUP);
              il.append(new PUSH(cpg, level));
              sort.translateLang(classGen, methodGen);
              il.append(AASTORE);
        }
        sortLangTemp.setStart(il.append(new ASTORE(sortLangTemp.getIndex())));

        LocalVariableGen sortCaseOrderTemp
                 = methodGen.addLocalVariable("sort_case_order_tmp",
                                      Util.getJCRefType("[" + STRING_SIG),
                                      null, null);
        il.append(new PUSH(cpg, nsorts));
        il.append(new ANEWARRAY(cpg.addClass(STRING)));
        for (int level = 0; level < nsorts; level++) {
            final Sort sort = (Sort)sortObjects.elementAt(level);
            il.append(DUP);
            il.append(new PUSH(cpg, level));
            sort.translateCaseOrder(classGen, methodGen);
            il.append(AASTORE);
        }
        sortCaseOrderTemp.setStart(
                il.append(new ASTORE(sortCaseOrderTemp.getIndex())));

        il.append(new NEW(cpg.addClass(sortRecordFactoryClass)));
        il.append(DUP);
        il.append(methodGen.loadDOM());
        il.append(new PUSH(cpg, sortRecordClass));
        il.append(classGen.loadTranslet());

        sortOrderTemp.setEnd(il.append(new ALOAD(sortOrderTemp.getIndex())));
        sortTypeTemp.setEnd(il.append(new ALOAD(sortTypeTemp.getIndex())));
        sortLangTemp.setEnd(il.append(new ALOAD(sortLangTemp.getIndex())));
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        // Compile def. target for switch statement if key has multiple levels
        if (levels > 1) {
            // Append the default target - it will _NEVER_ be reached
            InstructionHandle defaultTarget =
                il.append(new PUSH(cpg, EMPTYSTRING));
            il.insert(tblswitch,new TABLESWITCH(match, target, defaultTarget));
            il.append(ARETURN);
        }

        return extractMethod;
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     * the namespaces declared in the stylsheet are not available at run
     * time. Consequently, arguments to this function must be literals.
     */
    public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
        final ConstantPoolGen cpg = classGen.getConstantPool();
        methodGen.getInstructionList().append(new PUSH(cpg, getResult()));
    }
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            // 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));
                else
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            // Turn off character escaping if so is wanted.
            final int esc = cpg.addInterfaceMethodref(OUTPUT_HANDLER,
                                                      "setEscaping", "(Z)Z");
            if (!_escaping) {
                il.append(methodGen.loadHandler());
                il.append(new PUSH(cpg, false));
                il.append(new INVOKEINTERFACE(esc, 2));
            }

            il.append(methodGen.loadHandler());

            // Call characters(String) or characters(char[],int,int), as
            // appropriate.
            if (!canLoadAsArrayOffsetLength()) {
                final int characters = cpg.addInterfaceMethodref(OUTPUT_HANDLER,
                                                           "characters",
                                                           "("+STRING_SIG+")V");
                il.append(new PUSH(cpg, _text));
                il.append(new INVOKEINTERFACE(characters, 2));
            } else {
                final int characters = cpg.addInterfaceMethodref(OUTPUT_HANDLER,
                                                                 "characters",
                                                                 "([CII)V");
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            STATIC_CHAR_DATA_FIELD + (xsltc.getCharacterDataCount()-1);

        il.append(new GETSTATIC(cpg.addFieldref(xsltc.getClassName(),
                                       charDataFieldName,
                                       STATIC_CHAR_DATA_FIELD_SIG)));
        il.append(new PUSH(cpg, offset));
        il.append(new PUSH(cpg, _text.length()));
    }
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