added dereference and indirection operators to util/refptr, converted parser to use refptr<Node> as YYSTYPE

git-svn-id: svn://anubis/fart/trunk@94 7f9b0f55-74a9-4bce-be96-3c2cd072584d

util/refptr.h

@@ -9,17 +9,19 @@ class refptr
 {
     public:
         refptr<T>();
-        refptr<T>(const T * ptr);
+        refptr<T>(T * ptr);
         refptr<T>(const refptr<T> & orig);
         refptr<T> & operator=(const refptr<T> & orig);
-        refptr<T> & operator=(const T * ptr);
+        refptr<T> & operator=(T * ptr);
         ~refptr<T>();
+        T & operator*();
+        T * operator->();
 
     private:
         void cloneFrom(const refptr<T> & orig);
         void destroy();
 
-        const T * m_ptr;
+        T * m_ptr;
         int * m_refCount;
 };
 
@@ -29,7 +31,7 @@ template <typename T> refptr<T>::refptr()
     m_refCount = NULL;
 }
 
-template <typename T> refptr<T>::refptr(const T * ptr)
+template <typename T> refptr<T>::refptr(T * ptr)
 {
     m_ptr = ptr;
     m_refCount = new int;
@@ -48,7 +50,7 @@ template <typename T> refptr<T> & refptr<T>::operator=(const refptr<T> & orig)
     return *this;
 }
 
-template <typename T> refptr<T> & refptr<T>::operator=(const T * ptr)
+template <typename T> refptr<T> & refptr<T>::operator=(T * ptr)
 {
     destroy();
     m_ptr = ptr;
@@ -86,5 +88,15 @@ template <typename T> void refptr<T>::destroy()
     }
 }
 
+template <typename T> T & refptr<T>::operator*()
+{
+    return *m_ptr;
+}
+
+template <typename T> T * refptr<T>::operator->()
+{
+    return m_ptr;
+}
+
 #endif