Package org.apache.bcel.generic

Examples of org.apache.bcel.generic.PUSH


      // 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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     * @param methodGen BCEL Java method generator
     */
    public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
  final ConstantPoolGen cpg = classGen.getConstantPool();
  final InstructionList il = methodGen.getInstructionList();
  il.append(new PUSH(cpg, _value));
    }
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     * time. Consequently, arguments to this function must be literals.
     */
    public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
  final ConstantPoolGen cpg = classGen.getConstantPool();
  final boolean result = getResult();
  methodGen.getInstructionList().append(new PUSH(cpg, result));
    }
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  // Load the translet (for call to displayMessage() function)
  il.append(classGen.loadTranslet());

        switch (elementCount()) {
            case 0:
                il.append(new PUSH(cpg, ""));
            break;
            case 1:
                SyntaxTreeNode child = (SyntaxTreeNode) elementAt(0);
                if (child instanceof Text) {
                    il.append(new PUSH(cpg, ((Text) child).getText()));
                    break;
                }
                // falls through
            default:
                // Push current output handler onto the stack
                il.append(methodGen.loadHandler());

                // Replace the current output handler by a ToXMLStream
                il.append(new NEW(cpg.addClass(STREAM_XML_OUTPUT)));
                il.append(methodGen.storeHandler());

                // Push a reference to a StringWriter
                il.append(new NEW(cpg.addClass(STRING_WRITER)));
                il.append(DUP);
                il.append(DUP);
                il.append(new INVOKESPECIAL(
                    cpg.addMethodref(STRING_WRITER, "<init>", "()V")));

                // Load ToXMLStream
                il.append(methodGen.loadHandler());
                il.append(new INVOKESPECIAL(
                    cpg.addMethodref(STREAM_XML_OUTPUT, "<init>",
                                     "()V")));

                // Invoke output.setWriter(STRING_WRITER)
                il.append(methodGen.loadHandler());
                il.append(SWAP);
                il.append(new INVOKEINTERFACE(
                    cpg.addInterfaceMethodref(TRANSLET_OUTPUT_INTERFACE,
                                              "setWriter",
                                              "("+WRITER_SIG+")V"), 2));

                // Invoke output.setEncoding("UTF-8")
                il.append(methodGen.loadHandler());
                il.append(new PUSH(cpg, "UTF-8"));   // other encodings?
                il.append(new INVOKEINTERFACE(
                    cpg.addInterfaceMethodref(TRANSLET_OUTPUT_INTERFACE,
                                              "setEncoding",
                                              "("+STRING_SIG+")V"), 2));

                // Invoke output.setOmitXMLDeclaration(true)
                il.append(methodGen.loadHandler());
                il.append(ICONST_1);
                il.append(new INVOKEINTERFACE(
                    cpg.addInterfaceMethodref(TRANSLET_OUTPUT_INTERFACE,
                                              "setOmitXMLDeclaration",
                                              "(Z)V"), 2));

                il.append(methodGen.loadHandler());
                il.append(new INVOKEINTERFACE(
                    cpg.addInterfaceMethodref(TRANSLET_OUTPUT_INTERFACE,
                                              "startDocument",
                                              "()V"), 1));

                // Inline translation of contents
                translateContents(classGen, methodGen);

                il.append(methodGen.loadHandler());
                il.append(new INVOKEINTERFACE(
                    cpg.addInterfaceMethodref(TRANSLET_OUTPUT_INTERFACE,
                                              "endDocument",
                                              "()V"), 1));

                // Call toString() on StringWriter
                il.append(new INVOKEVIRTUAL(
                    cpg.addMethodref(STRING_WRITER, "toString",
                                     "()" + STRING_SIG)));

                // Restore old output handler
                il.append(SWAP);
                il.append(methodGen.storeHandler());
            break;
        }

  // Send the resulting string to the message handling method
  il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS,
                 "displayMessage",
                 "("+STRING_SIG+")V")));

  // If 'terminate' attribute is set to 'yes': Instanciate a
  // RunTimeException, but it on the stack and throw an exception
  if (_terminate == true) {
      // Create a new instance of RunTimeException
      final int einit = cpg.addMethodref("java.lang.RuntimeException",
                 "<init>",
                 "(Ljava/lang/String;)V");
      il.append(new NEW(cpg.addClass("java.lang.RuntimeException")));
      il.append(DUP);
      il.append(new PUSH(cpg,"Termination forced by an " +
                 "xsl:message instruction"));
      il.append(new INVOKESPECIAL(einit));
      il.append(ATHROW);
  }
    }
View Full Code Here

 
  il.append(methodGen.loadDOM());
  int index = cpg.addInterfaceMethodref(DOM_INTF,
         "getResultTreeFrag",
         "(IIZ)" + DOM_INTF_SIG);
  il.append(new PUSH(cpg, RTF_INITIAL_SIZE));
  il.append(new PUSH(cpg, rtfType));
  il.append(new PUSH(cpg, stylesheet.callsNodeset()));
  il.append(new INVOKEINTERFACE(index,4));
 
  il.append(DUP);

  // Overwrite old handler with DOM handler
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  if (_left instanceof AncestorPattern) { 
      il.append(methodGen.loadDOM());
      il.append(SWAP);
  }
  il.append(new INVOKEINTERFACE(getType, 2));
  il.append(new PUSH(cpg, DTM.DOCUMENT_NODE));
 
  final BranchHandle skip = il.append(new IF_ICMPEQ(null));
  _falseList.add(il.append(new GOTO_W(null)));
  skip.setTarget(il.append(NOP));
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    }

    public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
  ConstantPoolGen cpg = classGen.getConstantPool();
  InstructionList il = methodGen.getInstructionList();
  il.append(new PUSH(cpg, _value));
    }
View Full Code Here

  final int init = cpg.addMethodref(DFS_CLASS, "<init>",
                                          "("+LOCALE_SIG+")V");

  // Push the format name on the stack for call to addDecimalFormat()
  il.append(classGen.loadTranslet());
  il.append(new PUSH(cpg, _name.toString()));

  // Manufacture a DecimalFormatSymbols on the stack
  // for call to addDecimalFormat()
        // Use the US Locale as the default, as most of its settings
        // are equivalent to the default settings required of
  il.append(new NEW(cpg.addClass(DFS_CLASS)));
  il.append(DUP);
        il.append(new GETSTATIC(cpg.addFieldref(LOCALE_CLASS, "US",
                                                LOCALE_SIG)));
  il.append(new INVOKESPECIAL(init));

  String tmp = getAttribute("NaN");
  if ((tmp == null) || (tmp.equals(EMPTYSTRING))) {
      int nan = cpg.addMethodref(DFS_CLASS,
               "setNaN", "(Ljava/lang/String;)V");
      il.append(DUP);
      il.append(new PUSH(cpg, "NaN"));
      il.append(new INVOKEVIRTUAL(nan));
  }

  tmp = getAttribute("infinity");
  if ((tmp == null) || (tmp.equals(EMPTYSTRING))) {
      int inf = cpg.addMethodref(DFS_CLASS,
               "setInfinity",
               "(Ljava/lang/String;)V");
      il.append(DUP);
      il.append(new PUSH(cpg, "Infinity"));
      il.append(new INVOKEVIRTUAL(inf));
  }
     
  final int nAttributes = _attributes.getLength();
  for (int i = 0; i < nAttributes; i++) {
      final String name = _attributes.getQName(i);
      final String value = _attributes.getValue(i);

      boolean valid = true;
      int method = 0;

      if (name.equals("decimal-separator")) {
    // DecimalFormatSymbols.setDecimalSeparator();
    method = cpg.addMethodref(DFS_CLASS,
            "setDecimalSeparator", "(C)V");
      }
      else if (name.equals("grouping-separator")) {
    method =  cpg.addMethodref(DFS_CLASS,
             "setGroupingSeparator", "(C)V");
      }
      else if (name.equals("minus-sign")) {
    method = cpg.addMethodref(DFS_CLASS,
            "setMinusSign", "(C)V");
      }
      else if (name.equals("percent")) {
    method = cpg.addMethodref(DFS_CLASS,
            "setPercent", "(C)V");
      }
      else if (name.equals("per-mille")) {
    method = cpg.addMethodref(DFS_CLASS,
            "setPerMill", "(C)V");
      }
      else if (name.equals("zero-digit")) {
    method = cpg.addMethodref(DFS_CLASS,
            "setZeroDigit", "(C)V");
      }
      else if (name.equals("digit")) {
    method = cpg.addMethodref(DFS_CLASS,
            "setDigit", "(C)V");
      }
      else if (name.equals("pattern-separator")) {
    method = cpg.addMethodref(DFS_CLASS,
            "setPatternSeparator", "(C)V");
      }
      else if (name.equals("NaN")) {
    method = cpg.addMethodref(DFS_CLASS,
            "setNaN", "(Ljava/lang/String;)V");
          il.append(DUP);
    il.append(new PUSH(cpg, value));
    il.append(new INVOKEVIRTUAL(method));
    valid = false;
      }
      else if (name.equals("infinity")) {
    method = cpg.addMethodref(DFS_CLASS,
            "setInfinity",
            "(Ljava/lang/String;)V");
          il.append(DUP);
    il.append(new PUSH(cpg, value));
    il.append(new INVOKEVIRTUAL(method));
    valid = false;
      }
      else {
    valid = false;
      }

      if (valid) {
    il.append(DUP);
    il.append(new PUSH(cpg, value.charAt(0)));
    il.append(new INVOKEVIRTUAL(method));
      }

  }
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                                          "("+LOCALE_SIG+")V");

  // Push the format name, which is empty, on the stack
  // for call to addDecimalFormat()
  il.append(classGen.loadTranslet());
  il.append(new PUSH(cpg, EMPTYSTRING));

  // Manufacture a DecimalFormatSymbols on the stack for
  // call to addDecimalFormat().  Use the US Locale as the
        // default, as most of its settings are equivalent to
        // the default settings required of xsl:decimal-format -
        // except for the NaN and infinity attributes.
  il.append(new NEW(cpg.addClass(DFS_CLASS)));
  il.append(DUP);
        il.append(new GETSTATIC(cpg.addFieldref(LOCALE_CLASS, "US",
                                                LOCALE_SIG)));
  il.append(new INVOKESPECIAL(init));

  int nan = cpg.addMethodref(DFS_CLASS,
           "setNaN", "(Ljava/lang/String;)V");
  il.append(DUP);
  il.append(new PUSH(cpg, "NaN"));
  il.append(new INVOKEVIRTUAL(nan));

  int inf = cpg.addMethodref(DFS_CLASS,
           "setInfinity",
           "(Ljava/lang/String;)V");
  il.append(DUP);
  il.append(new PUSH(cpg, "Infinity"));
  il.append(new INVOKEVIRTUAL(inf));

  final int put = cpg.addMethodref(TRANSLET_CLASS,
           "addDecimalFormat",
           "("+STRING_SIG+DFS_SIG+")V");
View Full Code Here

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