Exemplo n.º 1
0
  /**
   * @ast method
   * @aspect AccessControl
   * @declaredat /home/uoji/JastAddJ/Java1.4Frontend/AccessControl.jrag:167
   */
  public void accessControl() {
    super.accessControl();

    if (!isCircular()) {
      // 9.1.2
      HashSet set = new HashSet();
      for (int i = 0; i < getNumSuperInterfaceId(); i++) {
        TypeDecl decl = getSuperInterfaceId(i).type();

        if (!decl.isInterfaceDecl() && !decl.isUnknown())
          error(
              "interface " + fullName() + " tries to extend non interface type " + decl.fullName());
        if (!decl.isCircular() && !decl.accessibleFrom(this))
          error(
              "interface " + fullName() + " can not extend non accessible type " + decl.fullName());

        if (set.contains(decl))
          error(
              "extended interface "
                  + decl.fullName()
                  + " mentionened multiple times in extends clause");
        set.add(decl);
      }
    }
  }
Exemplo n.º 2
0
 /** @apilevel internal */
 private boolean castingConversionTo_compute(TypeDecl type) {
   if (type.isArrayDecl()) {
     return type.instanceOf(this);
   } else if (type.isClassDecl()) {
     return !type.isFinal() || type.instanceOf(this);
   } else if (type.isInterfaceDecl()) {
     for (Iterator i1 = methodsIterator(); i1.hasNext(); ) {
       MethodDecl m = (MethodDecl) i1.next();
       for (Iterator iter = type.methodsSignature(m.signature()).iterator(); iter.hasNext(); ) {
         MethodDecl n = (MethodDecl) iter.next();
         if (n.type() != m.type()) return false;
       }
     }
     return true;
   } else return super.castingConversionTo(type);
 }
Exemplo n.º 3
0
  /**
   * @ast method
   * @aspect GenerateClassfile
   * @declaredat /home/uoji/JastAddJ/Java1.4Backend/GenerateClassfile.jrag:142
   */
  public void generateClassfile() {
    super.generateClassfile();
    String fileName = destinationPath() + File.separator + constantPoolName() + ".class";
    if (options().verbose()) System.out.println("Writing class file to " + fileName);
    try {
      ConstantPool cp = constantPool();
      // force building of constant pool
      cp.addClass(constantPoolName());
      cp.addClass("java/lang/Object");
      for (int i = 0; i < getNumSuperInterfaceId(); i++) {
        cp.addClass(getSuperInterfaceId(i).type().constantPoolName());
      }
      for (Iterator iter = bcFields().iterator(); iter.hasNext(); ) {
        FieldDeclaration field = (FieldDeclaration) iter.next();
        cp.addUtf8(field.name());
        cp.addUtf8(field.type().typeDescriptor());
        field.attributes();
      }
      for (Iterator iter = bcMethods().iterator(); iter.hasNext(); ) {
        Object obj = iter.next();
        if (obj instanceof MethodDecl) {
          MethodDecl m = (MethodDecl) obj;
          cp.addUtf8(m.name());
          cp.addUtf8(m.descName());
          m.attributes();
        }
      }
      attributes();

      if (hasClinit()) {
        cp.addUtf8("<clinit>");
        cp.addUtf8("()V");
        clinit_attributes();
      }

      // actual classfile generation
      File dest = new File(fileName);
      File parentFile = dest.getParentFile();
      if (parentFile != null) parentFile.mkdirs();

      FileOutputStream f = new FileOutputStream(fileName);
      DataOutputStream out = new DataOutputStream(new BufferedOutputStream(f));
      out.writeInt(magicHeader());
      out.writeChar(minorVersion());
      out.writeChar(majorVersion());
      cp.emit(out);
      int flags = flags();
      if (isNestedType()) flags = mangledFlags(flags);
      if (isInterfaceDecl()) flags |= Modifiers.ACC_INTERFACE;
      out.writeChar(flags);
      out.writeChar(cp.addClass(constantPoolName()));
      out.writeChar(cp.addClass("java/lang/Object"));
      if (getNumSuperInterfaceId() == 1 && getSuperInterfaceId(0).type().isObject())
        out.writeChar(0);
      else out.writeChar(getNumSuperInterfaceId());
      for (int i = 0; i < getNumSuperInterfaceId(); i++) {
        TypeDecl typeDecl = getSuperInterfaceId(i).type();
        if (typeDecl.isInterfaceDecl()) out.writeChar(cp.addClass(typeDecl.constantPoolName()));
      }
      Collection fields = bcFields();
      out.writeChar(fields.size());
      for (Iterator iter = fields.iterator(); iter.hasNext(); ) {
        FieldDeclaration field = (FieldDeclaration) iter.next();
        out.writeChar(field.flags());
        out.writeChar(cp.addUtf8(field.name()));
        out.writeChar(cp.addUtf8(field.type().typeDescriptor()));
        out.writeChar(field.attributes().size());
        for (Iterator itera = field.attributes().iterator(); itera.hasNext(); )
          ((Attribute) itera.next()).emit(out);
      }
      Collection methods = bcMethods();
      out.writeChar(methods.size() + (hasClinit() ? 1 : 0));
      for (Iterator iter = methods.iterator(); iter.hasNext(); ) {
        BodyDecl b = (BodyDecl) iter.next();
        b.generateMethod(out, cp);
      }
      if (hasClinit()) {
        out.writeChar(Modifiers.ACC_STATIC);
        out.writeChar(cp.addUtf8("<clinit>"));
        out.writeChar(cp.addUtf8("()V"));
        out.writeChar(clinit_attributes().size());
        for (Iterator itera = clinit_attributes().iterator(); itera.hasNext(); )
          ((Attribute) itera.next()).emit(out);
      }
      out.writeChar(attributes().size());
      for (Iterator itera = attributes().iterator(); itera.hasNext(); )
        ((Attribute) itera.next()).emit(out);

      out.close();
    } catch (IOException e) {
      e.printStackTrace();
    }
  }