/*
******************************************************************************
*
-* Copyright (C) 2002-2007, International Business Machines
+* Copyright (C) 2002-2010, International Business Machines
* Corporation and others. All Rights Reserved.
*
******************************************************************************
#define U_OVERRIDE_CXX_ALLOCATION 1
#endif
-/** U_HAVE_PLACEMENT_NEW - Define this to define the placement new and
+/**
+ * \def U_HAVE_PLACEMENT_NEW
+ * Define this to define the placement new and
* delete in UMemory for STL.
*
* @stable ICU 2.6
#endif
-/** U_HAVE_DEBUG_LOCATION_NEW - Define this to define the MFC debug
+/**
+ * \def U_HAVE_DEBUG_LOCATION_NEW
+ * Define this to define the MFC debug
* version of the operator new.
*
* @stable ICU 3.4
#define U_HAVE_DEBUG_LOCATION_NEW 0
#endif
+/**
+ * @{
+ * \def U_NO_THROW
+ * Define this to define the throw() specification so
+ * certain functions do not throw any exceptions
+ *
+ * UMemory operator new methods should have the throw() specification
+ * appended to them, so that the compiler adds the additional NULL check
+ * before calling constructors. Without, if <code>operator new</code> returns NULL the
+ * constructor is still called, and if the constructor references member
+ * data, (which it typically does), the result is a segmentation violation.
+ *
+ * @draft ICU 4.2
+ */
+#ifndef U_NO_THROW
+#define U_NO_THROW throw()
+#endif
+
+/** @} */
+
/**
* UMemory is the common ICU base class.
* All other ICU C++ classes are derived from UMemory (starting with ICU 2.4).
class U_COMMON_API UMemory {
public:
+/* test versions for debugging shaper heap memory problems */
+#ifdef SHAPER_MEMORY_DEBUG
+ static void * NewArray(int size, int count);
+ static void * GrowArray(void * array, int newSize );
+ static void FreeArray(void * array );
+#endif
+
#if U_OVERRIDE_CXX_ALLOCATION
/**
* Override for ICU4C C++ memory management.
* for ICU4C C++ classes
* @stable ICU 2.4
*/
- static void * U_EXPORT2 operator new(size_t size);
+ static void * U_EXPORT2 operator new(size_t size) U_NO_THROW;
/**
* Override for ICU4C C++ memory management.
* See new().
* @stable ICU 2.4
*/
- static void * U_EXPORT2 operator new[](size_t size);
+ static void * U_EXPORT2 operator new[](size_t size) U_NO_THROW;
/**
* Override for ICU4C C++ memory management.
* for ICU4C C++ classes
* @stable ICU 2.4
*/
- static void U_EXPORT2 operator delete(void *p);
+ static void U_EXPORT2 operator delete(void *p) U_NO_THROW;
/**
* Override for ICU4C C++ memory management.
* See delete().
* @stable ICU 2.4
*/
- static void U_EXPORT2 operator delete[](void *p);
+ static void U_EXPORT2 operator delete[](void *p) U_NO_THROW;
#if U_HAVE_PLACEMENT_NEW
/**
* See new().
* @stable ICU 2.6
*/
- static inline void * U_EXPORT2 operator new(size_t, void *ptr) { return ptr; }
+ static inline void * U_EXPORT2 operator new(size_t, void *ptr) U_NO_THROW { return ptr; }
/**
* Override for ICU4C C++ memory management for STL.
* See delete().
* @stable ICU 2.6
*/
- static inline void U_EXPORT2 operator delete(void *, void *) {}
+ static inline void U_EXPORT2 operator delete(void *, void *) U_NO_THROW {}
#endif /* U_HAVE_PLACEMENT_NEW */
#if U_HAVE_DEBUG_LOCATION_NEW
/**
* @param file The file where the allocation was requested
* @param line The line where the allocation was requested
*/
- static void * U_EXPORT2 operator new(size_t size, const char* file, int line);
+ static void * U_EXPORT2 operator new(size_t size, const char* file, int line) U_NO_THROW;
/**
* This method provides a matching delete for the MFC debug new
*
* @param file The file where the allocation was requested
* @param line The line where the allocation was requested
*/
- static void U_EXPORT2 operator delete(void* p, const char* file, int line);
+ static void U_EXPORT2 operator delete(void* p, const char* file, int line) U_NO_THROW;
#endif /* U_HAVE_DEBUG_LOCATION_NEW */
#endif /* U_OVERRIDE_CXX_ALLOCATION */
return (UClassID)&classID; \
}
+/**
+ * This is a simple macro to express that a class and its subclasses do not offer
+ * ICU's "poor man's RTTI".
+ * Beginning with ICU 4.6, ICU requires C++ compiler RTTI.
+ * This does not go into the header. This should only be used in *.cpp files.
+ * Use this with a private getDynamicClassID() in an immediate subclass of UObject.
+ *
+ * @param myClass The name of the class that needs RTTI defined.
+ * @internal
+ */
+#define UOBJECT_DEFINE_NO_RTTI_IMPLEMENTATION(myClass) \
+ UClassID myClass::getDynamicClassID() const { return NULL; }
+
// /**
// * This macro adds ICU RTTI to an ICU concrete class implementation.
// * This macro should be invoked in *.cpp files. The corresponding
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