- Add exception throwing specifications to methods

- Coding style fixes


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@313 3ecf2c5c-341e-0410-92b4-d18e462d057c

src/templates/smartp.hh

@@ -17,6 +17,8 @@
 #ifndef SMARTP_HH
 #define SMARTP_HH 1
 
+#include <new>
+
 namespace memory {
   
   /** \brief A simple reference counted smart pointer
@@ -52,47 +54,47 @@ namespace memory {
      * reference count. This class requires some effort from
      * the user to abid to some rules. It's meant to be
      * an help, not a painkiller. */
-    smart_ptr( T* ptr = 0 );
-    smart_ptr( const smart_ptr& sptr );
-    ~smart_ptr();
+    smart_ptr(T* ptr = 0) throw(std::bad_alloc);
+    smart_ptr(const smart_ptr& sptr) throw();
+    ~smart_ptr() throw();
 
-    smart_ptr& operator=( const smart_ptr& sptr );
+    smart_ptr& operator=(const smart_ptr& sptr) throw();
 
-    inline bool operator==( const smart_ptr& sptr ) const;
-    inline bool operator!=( const smart_ptr& sptr ) const;
+    inline bool operator==(const smart_ptr& sptr) const throw();
+    inline bool operator!=(const smart_ptr& sptr) const throw();
 
     /** \brief Access to stored object's members
      *
      *  Use this operator to access object 
      *  methods and data. */
-    inline T*   operator->();
+    inline T*   operator->() throw();
     
     /** \brief Access to stored object's members 
      *
      * Const version of the above operator. */
-    inline const T* operator->() const;
+    inline const T* operator->() const throw();
 
     /** \brief Access to stored object
      *
      * \warning Use with care */
-    inline T&   operator*();
+    inline T&   operator*() throw();
 
     /** \brief Access to stored object
      *
      * \warning Use with care */
-    inline const T& operator*() const;
+    inline const T& operator*() const throw();
     
     /** \brief Convenience operator for use in predicates
      *
      * \return true if the stored pointer is valid, 
      * false otherwise. */
-    inline operator bool() const;
+    inline operator bool() const throw();
 
     /** \brief Returns the number of alive references to
      * the stored object 
      * 
      * \return The number of references */
-    inline unsigned int alive_refs() const;
+    inline unsigned int alive_refs() const throw();
 
   private:
     struct contents_type {

src/templates/smartp.tcc

@@ -27,7 +27,7 @@ namespace memory {
   // ------------------------------
 
   template<typename T, bool isArray>
-  smart_ptr<T, isArray>::smart_ptr( T* ptr ) 
+  smart_ptr<T, isArray>::smart_ptr( T* ptr ) throw(std::bad_alloc)
     : _contents(new contents_type())
   {
     _contents->rc  = 1;
@@ -36,14 +36,18 @@ namespace memory {
 
 
   template<typename T, bool isArray>
-  smart_ptr<T, isArray>::smart_ptr( const smart_ptr& sptr ) 
-    : _contents(sptr._contents) {
+  smart_ptr<T, isArray>::smart_ptr(const smart_ptr& sptr) throw()
+    : _contents(sptr._contents) 
+  {
     (_contents->rc)++;
   }
 
+
   template<typename T, bool isArray>
-  smart_ptr<T, isArray>::~smart_ptr() {
-    if( --(_contents->rc) == 0 ) {
+  smart_ptr<T, isArray>::~smart_ptr() throw()
+  {
+    if(--(_contents->rc) == 0) 
+    {
       if(_contents->ptr != 0)
 	!isArray ? delete _contents->ptr : delete [] _contents->ptr;
       delete _contents;
@@ -54,9 +58,12 @@ namespace memory {
 
   template<typename T, bool isArray>
   typename smart_ptr<T, isArray>::smart_ptr&
-  smart_ptr<T, isArray>::operator=( const smart_ptr& sptr) {
-    if( this != &sptr && _contents != sptr._contents ) {
-      if( --(_contents->rc) == 0 ) {
+  smart_ptr<T, isArray>::operator=(const smart_ptr& sptr) throw()
+  {
+    if(this != &sptr && _contents != sptr._contents) 
+    {
+      if(--(_contents->rc) == 0) 
+      {
 	if(_contents->ptr != 0)
 	  !isArray ? delete _contents->ptr : delete [] _contents->ptr;
 	delete _contents;
@@ -72,48 +79,55 @@ namespace memory {
   
   template<typename T, bool isArray>
   bool
-  smart_ptr<T, isArray>::operator==( const smart_ptr& sptr ) const {
+  smart_ptr<T, isArray>::operator==( const smart_ptr& sptr ) const throw() 
+  {
     return _contents->ptr == sptr._contents->ptr;
   }
 
 
   template<typename T, bool isArray>
   bool
-  smart_ptr<T, isArray>::operator!=( const smart_ptr& sptr ) const {
+  smart_ptr<T, isArray>::operator!=( const smart_ptr& sptr ) const throw()
+  {
     return _contents->ptr != sptr._contents->ptr;
   }
   
     
   template<typename T, bool isArray>
   T&
-  smart_ptr<T, isArray>::operator*() {
+  smart_ptr<T, isArray>::operator*() throw()
+  {
     return *(_contents->ptr);
   }
 
 
   template<typename T, bool isArray>
   T*
-  smart_ptr<T, isArray>::operator->() {
+  smart_ptr<T, isArray>::operator->() throw()
+  {
     return _contents->ptr;
   }
 
 
   template<typename T, bool isArray>
   const T&
-  smart_ptr<T, isArray>::operator*() const {
+  smart_ptr<T, isArray>::operator*() const throw()
+  {
     return *(_contents->ptr);
   }
 
 
   template<typename T, bool isArray>
   const T*
-  smart_ptr<T, isArray>::operator->() const {
+  smart_ptr<T, isArray>::operator->() const throw()
+  {
     return _contents->ptr;
   }
 
 
   template<typename T, bool isArray>
-  smart_ptr<T, isArray>::operator bool() const {
+  smart_ptr<T, isArray>::operator bool() const throw()
+  {
     return _contents->ptr != 0;
   }
 
@@ -121,7 +135,8 @@ namespace memory {
   
   template<typename T, bool isArray>
   unsigned int
-  smart_ptr<T, isArray>::alive_refs() const {
+  smart_ptr<T, isArray>::alive_refs() const throw()
+  {
     return _contents->ptr != 0 ? _contents->rc : 0;
   }