Package org.apache.bcel.classfile

Examples of org.apache.bcel.classfile.ConstantCP

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    /** @return signature of referenced method/field.
     */
    public String getSignature( ConstantPoolGen cpg ) {
        ConstantPool cp = cpg.getConstantPool();
        ConstantCP cmr = (ConstantCP) cp.getConstant(index);
        ConstantNameAndType cnat = (ConstantNameAndType) cp.getConstant(cmr.getNameAndTypeIndex());
        return ((ConstantUtf8) cp.getConstant(cnat.getSignatureIndex())).getBytes();
    }
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    /** @return name of referenced method/field.
     */
    public String getName( ConstantPoolGen cpg ) {
        ConstantPool cp = cpg.getConstantPool();
        ConstantCP cmr = (ConstantCP) cp.getConstant(index);
        ConstantNameAndType cnat = (ConstantNameAndType) cp.getConstant(cmr.getNameAndTypeIndex());
        return ((ConstantUtf8) cp.getConstant(cnat.getNameIndex())).getBytes();
    }
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     *    between class types and array types.
     */
    @Deprecated
    public String getClassName( ConstantPoolGen cpg ) {
        ConstantPool cp = cpg.getConstantPool();
        ConstantCP cmr = (ConstantCP) cp.getConstant(index);
        String className = cp.getConstantString(cmr.getClassIndex(),
                org.apache.bcel.Constants.CONSTANT_Class);
        if (className.startsWith("[")) {
            // Turn array classes into java.lang.Object.
            return "java.lang.Object";
        }
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     *   or interface), or an ArrayType (if the referenced class
     *   type is an array class)
     */
    public ReferenceType getReferenceType( ConstantPoolGen cpg ) {
        ConstantPool cp = cpg.getConstantPool();
        ConstantCP cmr = (ConstantCP) cp.getConstant(index);
        String className = cp.getConstantString(cmr.getClassIndex(),
                org.apache.bcel.Constants.CONSTANT_Class);
        if (className.startsWith("[")) {
            return (ArrayType) Type.getType(className);
        } else {
            className = className.replace('/', '.');
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  private static Map<String, MethodBinding> methodBindingsByKey= new LinkedHashMap<String, MethodBinding>();

  public static MethodBinding lookup(int index, ConstantPool constantPool)
  {
    ConstantCP methodRef= (ConstantCP) constantPool.getConstant(index);
    ConstantNameAndType nameAndType= (ConstantNameAndType) constantPool.getConstant(methodRef.getNameAndTypeIndex(), Constants.CONSTANT_NameAndType);

    String name= nameAndType.getName(constantPool);
    String signature= nameAndType.getSignature(constantPool);

    return lookup(methodRef.getClass(constantPool), name, signature);
  }
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      {
         throw new TinyVMException("Classfile error: Instruction requiring "
            + "CONSTANT_MethodRef or CONSTANT_InterfaceMethodRef " + "got "
            + (pEntry == null? "null" : pEntry.getClass().getName()));
      }
      ConstantCP pMethodEntry = (ConstantCP) pEntry;
      String className = pMethodEntry.getClass(iCF.getConstantPool()).replace(
         '.', '/');
      ConstantNameAndType pNT = (ConstantNameAndType) iCF.getConstantPool()
         .getConstant(pMethodEntry.getNameAndTypeIndex());
      Signature pSig = new Signature(pNT.getName(iCF.getConstantPool()), pNT
         .getSignature(iCF.getConstantPool()));
      if (className.startsWith("["))
      {
          // For arrays we use the methods contained in Object
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      {
         throw new TinyVMException("Classfile error: Instruction requiring "
            + "CONSTANT_MethodRef or CONSTANT_InterfaceMethodRef " + "got "
            + (pEntry == null? "null" : pEntry.getClass().getName()));
      }
      ConstantCP pMethodEntry = (ConstantCP) pEntry;
      String className = pMethodEntry.getClass(iCF.getConstantPool()).replace(
         '.', '/');
      ConstantNameAndType pNT = (ConstantNameAndType) iCF.getConstantPool()
         .getConstant(pMethodEntry.getNameAndTypeIndex());
      Signature pSig = new Signature(pNT.getName(iCF.getConstantPool()), pNT
         .getSignature(iCF.getConstantPool()));
      if (className.startsWith("["))
      {
          // For arrays we use the methods contained in Object
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                String key = u.getBytes();
                if (!utf8_table.containsKey(key)) {
                    utf8_table.put(key, new Index(i));
                }
            } else if (c instanceof ConstantCP) {
                ConstantCP m = (ConstantCP) c;
                ConstantClass clazz = (ConstantClass) constants[m.getClassIndex()];
                ConstantNameAndType n = (ConstantNameAndType) constants[m.getNameAndTypeIndex()];
                ConstantUtf8 u8 = (ConstantUtf8) constants[clazz.getNameIndex()];
                String class_name = u8.getBytes().replace('/', '.');
                u8 = (ConstantUtf8) constants[n.getNameIndex()];
                String method_name = u8.getBytes();
                u8 = (ConstantUtf8) constants[n.getSignatureIndex()];
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            case Constants.CONSTANT_Integer:
                return addInteger(((ConstantInteger) c).getBytes());
            case Constants.CONSTANT_InterfaceMethodref:
            case Constants.CONSTANT_Methodref:
            case Constants.CONSTANT_Fieldref: {
                ConstantCP m = (ConstantCP) c;
                ConstantClass clazz = (ConstantClass) constants[m.getClassIndex()];
                ConstantNameAndType n = (ConstantNameAndType) constants[m.getNameAndTypeIndex()];
                ConstantUtf8 u8 = (ConstantUtf8) constants[clazz.getNameIndex()];
                String class_name = u8.getBytes().replace('/', '.');
                u8 = (ConstantUtf8) constants[n.getNameIndex()];
                String name = u8.getBytes();
                u8 = (ConstantUtf8) constants[n.getSignatureIndex()];
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                    }
                }
            }
            else if(c instanceof ConstantMethodref ||
                    c instanceof ConstantInterfaceMethodref){
                ConstantCP methodC = (ConstantCP)c;
                String path = methodC.getClass(cp) + "." +
                            milk.jpatch.Util.getMethodIdentifier(methodC, cp);
                for(Key key : keys){
                    if(key.matches(path, KeyType.METHOD)){
                        ret.add(key.assoc);
                        break;
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