Changeset 10362 for code/branches/core7/src/libraries/core/CoreIncludes.h

Timestamp:

Apr 12, 2015, 11:07:14 PM (9 years ago)

Author:

landauf

Message:

use static identifier initializer to store the inheritance definition of abstract classes. this prevents that identifiers are used (via Class(Name)) before they are properly initialized.

File:

• code/branches/core7/src/libraries/core/CoreIncludes.h (modified) (2 diffs)

code/branches/core7/src/libraries/core/CoreIncludes.h

@@ -127 +127 @@
 */
 #define RegisterClassWithFactory(ClassName, FactoryInstance, bLoadable) \
-    Identifier& _##ClassName##Identifier = (new orxonox::SI_I(orxonox::registerClass<ClassName>(#ClassName, FactoryInstance, bLoadable)))->getIdentifier()
+    orxonox::SI_I& _##ClassName##Identifier = (*new orxonox::SI_I(orxonox::registerClass<ClassName>(#ClassName, FactoryInstance, bLoadable)))
 
 /**
@@ -213 +213 @@
     }
 
+
+
+
+    /**
+     * The static initializer stores the parent classes of this identifier. The corresponding identifiers are later loaded. This prevents identifiers from
+     * being used before they are completely initialized.
+     */
     class _CoreExport StaticallyInitializedIdentifier : public StaticallyInitializedInstance
     {
+        struct InheritsFrom
+        {
+            virtual ~InheritsFrom() {}
+            virtual Identifier* getParent() = 0;
+        };
+
+        template <class T>
+        struct InheritsFromClass : public InheritsFrom
+        {
+            virtual Identifier* getParent() { return Class(T); }
+        };
+
         public:
             StaticallyInitializedIdentifier(Identifier* identifier) : identifier_(identifier) {}
-
-            virtual void load() {}
+            ~StaticallyInitializedIdentifier()
+            {
+                for (size_t i = 0; i < this->parents_.size(); ++i)
+                    delete parents_[i];
+            }
+
+            virtual void load()
+            {
+                for (size_t i = 0; i < this->parents_.size(); ++i)
+                    this->identifier_->inheritsFrom(this->parents_[i]->getParent());
+            }
 
             inline Identifier& getIdentifier()
                 { return *this->identifier_; }
 
+            template <class T>
+            inline StaticallyInitializedIdentifier& inheritsFrom()
+                { this->parents_.push_back(new InheritsFromClass<T>()); return *this; }
+
         private:
             Identifier* identifier_;
+            std::vector<InheritsFrom*> parents_;
     };