Adds virtual destructors on Interfaces

Classes with at least one virtual function needs a virtual destructor.
This patch adds virtual destructors to  Interface classes

And also enables  'warn on  missing virtual destructors'

build/cocos2d_libs.xcodeproj/project.pbxproj.REMOVED.git-id

@@ -1 +1 @@
-1dbcea49018d245ac72bf4138633f3905ef4dc7f
+0d9ce76f7e63d75718c38b1137b2580e19d0db76

cocos/2d/CCLabelTextFormatProtocol.h

@@ -42,6 +42,9 @@ struct LetterInfo
 class CC_DLL LabelTextFormatProtocol
 {
 public:
+
+    virtual ~LabelTextFormatProtocol() {}
+
     virtual bool recordLetterInfo(const cocos2d::Point& point,unsigned short int theChar, int spriteIndex) = 0;
     virtual bool recordPlaceholderInfo(int spriteIndex) = 0;
     virtual std::vector<LetterInfo>  *getLettersInfo() = 0;
@@ -71,7 +74,6 @@ public:
     virtual bool breakLineWithoutSpace() const = 0;
     virtual cocos2d::Size getLabelContentSize() const = 0;
     virtual void setLabelContentSize(const Size &newSize) = 0;
-    
 };
 
 NS_CC_END

cocos/2d/CCProtocols.h

@@ -38,6 +38,8 @@ NS_CC_BEGIN
 class CC_DLL RGBAProtocol
 {
 public:
+    virtual ~RGBAProtocol() {}
+
     /**
      * Changes the color with R,G,B bytes
      *
@@ -165,6 +167,8 @@ public:
 class CC_DLL BlendProtocol
 {
 public:
+    virtual ~BlendProtocol() {}
+
     /**
      * Sets the source blending function.
      *
@@ -197,6 +201,7 @@ public:
 class CC_DLL TextureProtocol : public BlendProtocol
 {
 public:
+    virtual ~TextureProtocol() {}
     /**
      * Returns the currently used texture
      *
@@ -222,6 +227,8 @@ public:
 class CC_DLL LabelProtocol
 {
 public:
+    virtual ~LabelProtocol() {}
+
     /**
      * Sets a new label using a string
      *
@@ -247,6 +254,8 @@ public:
 class CC_DLL DirectorDelegate
 {
 public:
+    virtual ~DirectorDelegate() {}
+
     /**
      * Will be called by Director when the projection is updated, and "custom" projection is used
      * @js NA

cocos/2d/CCTextFieldTTF.h

@@ -40,6 +40,8 @@ class TextFieldTTF;
 class CC_DLL TextFieldDelegate
 {
 public:
+    virtual ~TextFieldDelegate() {}
+
     /**
     @brief    If the sender doesn't want to attach to the IME, return true;
     */

cocos/2d/CCTransition.h

@@ -50,6 +50,8 @@ class Node;
 class CC_DLL TransitionEaseScene// : public Object
 {
 public:
+    virtual ~TransitionEaseScene() {}
+
     /** returns the Ease action that will be performed on a linear action.
     @since v0.8.2
     */

cocos/2d/platform/CCSAXParser.h

@@ -39,6 +39,8 @@ typedef unsigned char CC_XML_CHAR;
 class CC_DLL SAXDelegator
 {
 public:
+    virtual ~SAXDelegator() {}
+
     /**
      * @js NA
      * @lua NA

cocos/editor-support/cocosbuilder/CCBAnimationManager.h

@@ -13,6 +13,7 @@ namespace cocosbuilder {
 class CCBAnimationManagerDelegate
 {
 public:
+    virtual ~CCBAnimationManagerDelegate() {}
     virtual void completedAnimationSequenceNamed(const char *name) = 0;
 };
 

cocos/gui/UIScrollInterface.h

@@ -31,6 +31,9 @@ namespace gui {
 
 class UIScrollInterface
 {
+public:
+    virtual ~UIScrollInterface() {}
+
 protected:
     virtual void handlePressLogic(const cocos2d::Point &touchPoint) = 0;
     virtual void handleMoveLogic(const cocos2d::Point &touchPoint) = 0;