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+++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/unicode/uobject.h	Tue Mar 18 17:55:14 2025 -0400
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+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+******************************************************************************
+*
+*   Copyright (C) 2002-2012, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+******************************************************************************
+*   file name:  uobject.h
+*   encoding:   UTF-8
+*   tab size:   8 (not used)
+*   indentation:4
+*
+*   created on: 2002jun26
+*   created by: Markus W. Scherer
+*/
+
+#ifndef __UOBJECT_H__
+#define __UOBJECT_H__
+
+#include "unicode/utypes.h"
+
+#if U_SHOW_CPLUSPLUS_API
+
+#include "unicode/platform.h"
+
+/**
+ * \file
+ * \brief C++ API: Common ICU base class UObject.
+ */
+
+/**
+ * \def U_NO_THROW
+ *         Since ICU 64, use U_NOEXCEPT instead.
+ *
+ *         Previously, 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.
+ *
+ * @stable ICU 4.2. Since ICU 64, Use U_NOEXCEPT instead. See ICU-20422.
+ */
+#ifndef U_NO_THROW
+#define U_NO_THROW U_NOEXCEPT
+#endif
+
+/*===========================================================================*/
+/* UClassID-based RTTI */
+/*===========================================================================*/
+
+/**
+ * UClassID is used to identify classes without using the compiler's RTTI.
+ * This was used before C++ compilers consistently supported RTTI.
+ * ICU 4.6 requires compiler RTTI to be turned on.
+ *
+ * Each class hierarchy which needs
+ * to implement polymorphic clone() or operator==() defines two methods,
+ * described in detail below.  UClassID values can be compared using
+ * operator==(). Nothing else should be done with them.
+ *
+ * \par
+ * In class hierarchies that implement "poor man's RTTI",
+ * each concrete subclass implements getDynamicClassID() in the same way:
+ *
+ * \code
+ *      class Derived {
+ *      public:
+ *          virtual UClassID getDynamicClassID() const
+ *            { return Derived::getStaticClassID(); }
+ *      }
+ * \endcode
+ *
+ * Each concrete class implements getStaticClassID() as well, which allows
+ * clients to test for a specific type.
+ *
+ * \code
+ *      class Derived {
+ *      public:
+ *          static UClassID U_EXPORT2 getStaticClassID();
+ *      private:
+ *          static char fgClassID;
+ *      }
+ *
+ *      // In Derived.cpp:
+ *      UClassID Derived::getStaticClassID()
+ *        { return (UClassID)&Derived::fgClassID; }
+ *      char Derived::fgClassID = 0; // Value is irrelevant
+ * \endcode
+ * @stable ICU 2.0
+ */
+typedef void* UClassID;
+
+U_NAMESPACE_BEGIN
+
+/**
+ * UMemory is the common ICU base class.
+ * All other ICU C++ classes are derived from UMemory (starting with ICU 2.4).
+ *
+ * This is primarily to make it possible and simple to override the
+ * C++ memory management by adding new/delete operators to this base class.
+ *
+ * To override ALL ICU memory management, including that from plain C code,
+ * replace the allocation functions declared in cmemory.h
+ *
+ * UMemory does not contain any virtual functions.
+ * Common "boilerplate" functions are defined in UObject.
+ *
+ * @stable 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.
+     * simple, non-class types are allocated using the macros in common/cmemory.h
+     * (uprv_malloc(), uprv_free(), uprv_realloc());
+     * they or something else could be used here to implement C++ new/delete
+     * for ICU4C C++ classes
+     * @stable ICU 2.4
+     */
+    static void * U_EXPORT2 operator new(size_t size) U_NOEXCEPT;
+
+    /**
+     * Override for ICU4C C++ memory management.
+     * See new().
+     * @stable ICU 2.4
+     */
+    static void * U_EXPORT2 operator new[](size_t size) U_NOEXCEPT;
+
+    /**
+     * Override for ICU4C C++ memory management.
+     * simple, non-class types are allocated using the macros in common/cmemory.h
+     * (uprv_malloc(), uprv_free(), uprv_realloc());
+     * they or something else could be used here to implement C++ new/delete
+     * for ICU4C C++ classes
+     * @stable ICU 2.4
+     */
+    static void U_EXPORT2 operator delete(void *p) U_NOEXCEPT;
+
+    /**
+     * Override for ICU4C C++ memory management.
+     * See delete().
+     * @stable ICU 2.4
+     */
+    static void U_EXPORT2 operator delete[](void *p) U_NOEXCEPT;
+
+#if U_HAVE_PLACEMENT_NEW
+    /**
+     * Override for ICU4C C++ memory management for STL.
+     * See new().
+     * @stable ICU 2.6
+     */
+    static inline void * U_EXPORT2 operator new(size_t, void *ptr) U_NOEXCEPT { 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 *) U_NOEXCEPT {}
+#endif /* U_HAVE_PLACEMENT_NEW */
+#if U_HAVE_DEBUG_LOCATION_NEW
+    /**
+      * This method overrides the MFC debug version of the operator new
+      * 
+      * @param size   The requested memory size
+      * @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) U_NOEXCEPT;
+    /**
+      * This method provides a matching delete for the MFC debug new
+      * 
+      * @param p      The pointer to the allocated memory
+      * @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) U_NOEXCEPT;
+#endif /* U_HAVE_DEBUG_LOCATION_NEW */
+#endif /* U_OVERRIDE_CXX_ALLOCATION */
+
+    /*
+     * Assignment operator not declared. The compiler will provide one
+     * which does nothing since this class does not contain any data members.
+     * API/code coverage may show the assignment operator as present and
+     * untested - ignore.
+     * Subclasses need this assignment operator if they use compiler-provided
+     * assignment operators of their own. An alternative to not declaring one
+     * here would be to declare and empty-implement a protected or public one.
+    UMemory &UMemory::operator=(const UMemory &);
+     */
+};
+
+/**
+ * UObject is the common ICU "boilerplate" class.
+ * UObject inherits UMemory (starting with ICU 2.4),
+ * and all other public ICU C++ classes
+ * are derived from UObject (starting with ICU 2.2).
+ *
+ * UObject contains common virtual functions, in particular a virtual destructor.
+ *
+ * The clone() function is not available in UObject because it is not
+ * implemented by all ICU classes.
+ * Many ICU services provide a clone() function for their class trees,
+ * defined on the service's C++ base class
+ * (which itself is a subclass of UObject).
+ *
+ * @stable ICU 2.2
+ */
+class U_COMMON_API UObject : public UMemory {
+public:
+    /**
+     * Destructor.
+     *
+     * @stable ICU 2.2
+     */
+    virtual ~UObject();
+
+    /**
+     * ICU4C "poor man's RTTI", returns a UClassID for the actual ICU class.
+     * The base class implementation returns a dummy value.
+     *
+     * Use compiler RTTI rather than ICU's "poor man's RTTI".
+     * Since ICU 4.6, new ICU C++ class hierarchies do not implement "poor man's RTTI".
+     *
+     * @stable ICU 2.2
+     */
+    virtual UClassID getDynamicClassID() const;
+
+protected:
+    // the following functions are protected to prevent instantiation and
+    // direct use of UObject itself
+
+    // default constructor
+    // inline UObject() {}
+
+    // copy constructor
+    // inline UObject(const UObject &other) {}
+
+#if 0
+    // TODO Sometime in the future. Implement operator==().
+    // (This comment inserted in 2.2)
+    // some or all of the following "boilerplate" functions may be made public
+    // in a future ICU4C release when all subclasses implement them
+
+    // assignment operator
+    // (not virtual, see "Taligent's Guide to Designing Programs" pp.73..74)
+    // commented out because the implementation is the same as a compiler's default
+    // UObject &operator=(const UObject &other) { return *this; }
+
+    // comparison operators
+    virtual inline UBool operator==(const UObject &other) const { return this==&other; }
+    inline UBool operator!=(const UObject &other) const { return !operator==(other); }
+
+    // clone() commented out from the base class:
+    // some compilers do not support co-variant return types
+    // (i.e., subclasses would have to return UObject * as well, instead of SubClass *)
+    // see also UObject class documentation.
+    // virtual UObject *clone() const;
+#endif
+
+    /*
+     * Assignment operator not declared. The compiler will provide one
+     * which does nothing since this class does not contain any data members.
+     * API/code coverage may show the assignment operator as present and
+     * untested - ignore.
+     * Subclasses need this assignment operator if they use compiler-provided
+     * assignment operators of their own. An alternative to not declaring one
+     * here would be to declare and empty-implement a protected or public one.
+    UObject &UObject::operator=(const UObject &);
+     */
+};
+
+#ifndef U_HIDE_INTERNAL_API
+/**
+ * This is a simple macro to add ICU RTTI to an ICU object implementation.
+ * This does not go into the header. This should only be used in *.cpp files.
+ *
+ * @param myClass The name of the class that needs RTTI defined.
+ * @internal
+ */
+#define UOBJECT_DEFINE_RTTI_IMPLEMENTATION(myClass) \
+    UClassID U_EXPORT2 myClass::getStaticClassID() { \
+        static char classID = 0; \
+        return (UClassID)&classID; \
+    } \
+    UClassID myClass::getDynamicClassID() const \
+    { return myClass::getStaticClassID(); }
+
+
+/**
+ * This macro adds ICU RTTI to an ICU abstract class implementation.
+ * This macro should be invoked in *.cpp files.  The corresponding
+ * header should declare getStaticClassID.
+ *
+ * @param myClass The name of the class that needs RTTI defined.
+ * @internal
+ */
+#define UOBJECT_DEFINE_ABSTRACT_RTTI_IMPLEMENTATION(myClass) \
+    UClassID U_EXPORT2 myClass::getStaticClassID() { \
+        static char classID = 0; \
+        return (UClassID)&classID; \
+    }
+
+#endif  /* U_HIDE_INTERNAL_API */
+
+U_NAMESPACE_END
+
+#endif /* U_SHOW_CPLUSPLUS_API */
+
+#endif