private static boolean isDirectAccessAllowed(
      FieldNode a, ClassNode receiver, boolean isSamePackage) {
    ClassNode declaringClass = a.getDeclaringClass().redirect();
    ClassNode receiverType = receiver.redirect();

    // first, direct access from within the class or inner class nodes
    if (declaringClass.equals(receiverType)) return true;
    if (receiverType instanceof InnerClassNode) {
      while (receiverType != null && receiverType instanceof InnerClassNode) {
        if (declaringClass.equals(receiverType)) return true;
        receiverType = receiverType.getOuterClass();
      }
    }

    // no getter
    return a.isPublic() || (a.isProtected() && isSamePackage);
  }
  private Variable findClassMember(ClassNode cn, String name) {
    if (cn == null) return null;
    if (cn.isScript()) {
      return new DynamicVariable(name, false);
    }

    for (FieldNode fn : cn.getFields()) {
      if (fn.getName().equals(name)) return fn;
    }

    for (MethodNode mn : cn.getMethods()) {
      String pName = getPropertyName(mn);
      // GRECLIPSE: start
      // must set the declaringClass
      /*old{
      if (pName != null && pName.equals(name))
          return new PropertyNode(pName, mn.getModifiers(), getPropertyType(mn), cn, null, null, null);
          */
      // newcode
      if (pName != null && pName.equals(name)) {
        PropertyNode property =
            new PropertyNode(pName, mn.getModifiers(), getPropertyType(mn), cn, null, null, null);
        property.setDeclaringClass(cn);
        property.getField().setDeclaringClass(cn);
        return property;
      }
      // GRECLIPSE: end
    }

    for (PropertyNode pn : cn.getProperties()) {
      if (pn.getName().equals(name)) return pn;
    }

    Variable ret = findClassMember(cn.getSuperClass(), name);
    if (ret != null) return ret;
    return findClassMember(cn.getOuterClass(), name);
  }
  private boolean makeGetPropertyWithGetter(
      final Expression receiver,
      final ClassNode receiverType,
      final String methodName,
      final boolean safe,
      final boolean implicitThis) {
    // does a getter exists ?
    String getterName = "get" + MetaClassHelper.capitalize(methodName);
    MethodNode getterNode = receiverType.getGetterMethod(getterName);
    if (getterNode == null) {
      getterName = "is" + MetaClassHelper.capitalize(methodName);
      getterNode = receiverType.getGetterMethod(getterName);
    }
    if (getterNode != null
        && receiver instanceof ClassExpression
        && !CLASS_Type.equals(receiverType)
        && !getterNode.isStatic()) {
      return false;
    }

    // GROOVY-5561: if two files are compiled in the same source unit
    // and that one references the other, the getters for properties have not been
    // generated by the compiler yet (generated by the Verifier)
    PropertyNode propertyNode = receiverType.getProperty(methodName);
    if (propertyNode != null) {
      // it is possible to use a getter
      String prefix = "get";
      if (boolean_TYPE.equals(propertyNode.getOriginType())) {
        prefix = "is";
      }
      getterName = prefix + MetaClassHelper.capitalize(methodName);
      getterNode =
          new MethodNode(
              getterName,
              ACC_PUBLIC,
              propertyNode.getOriginType(),
              Parameter.EMPTY_ARRAY,
              ClassNode.EMPTY_ARRAY,
              EmptyStatement.INSTANCE);
      getterNode.setDeclaringClass(receiverType);
      if (propertyNode.isStatic()) getterNode.setModifiers(ACC_PUBLIC + ACC_STATIC);
    }
    if (getterNode != null) {
      MethodCallExpression call =
          new MethodCallExpression(receiver, getterName, ArgumentListExpression.EMPTY_ARGUMENTS);
      call.setSourcePosition(receiver);
      call.setMethodTarget(getterNode);
      call.setImplicitThis(implicitThis);
      call.setSafe(safe);
      call.visit(controller.getAcg());
      return true;
    }

    if (receiverType instanceof InnerClassNode && !receiverType.isStaticClass()) {
      if (makeGetPropertyWithGetter(
          receiver, receiverType.getOuterClass(), methodName, safe, implicitThis)) {
        return true;
      }
    }

    // go upper level
    ClassNode superClass = receiverType.getSuperClass();
    if (superClass != null) {
      return makeGetPropertyWithGetter(receiver, superClass, methodName, safe, implicitThis);
    }
    return false;
  }
Ejemplo n.º 4
0
 public void testOuterClass() {
   assertNull(classNode.getOuterClass());
   assertNotNull(innerClassNode.getOuterClass());
 }