From 6f6b860971ad8ee9340ebee366545ef0714da37d Mon Sep 17 00:00:00 2001
From: hyung-hwan <hyunghwan.chung@gmail.com>
Date: Sun, 5 Jan 2020 04:32:14 +0000
Subject: [PATCH] renamed StdHawk to HawkStd. added quite some c++ code to get
 Hawk free of compilation errors

---
 hawk/lib/Hawk.cpp                     | 127 ++++++++-
 hawk/lib/Hawk.hpp                     | 359 +++++++++++++++++++++++++-
 hawk/lib/{StdHawk.cpp => HawkStd.cpp} | 161 +++++++-----
 hawk/lib/{StdHawk.hpp => HawkStd.hpp} |  26 +-
 hawk/lib/Makefile.am                  |   3 +-
 hawk/lib/Makefile.in                  | 106 ++++----
 hawk/lib/generrcode.awk               |   2 +-
 hawk/lib/genoptcode.awk               |   2 +-
 hawk/lib/hawk-cmn.h                   |  31 ++-
 hawk/lib/mod-math.c                   |   2 +-
 10 files changed, 659 insertions(+), 160 deletions(-)
 rename hawk/lib/{StdHawk.cpp => HawkStd.cpp} (88%)
 rename hawk/lib/{StdHawk.hpp => HawkStd.hpp} (91%)

diff --git a/hawk/lib/Hawk.cpp b/hawk/lib/Hawk.cpp
index 835eced1..02270503 100644
--- a/hawk/lib/Hawk.cpp
+++ b/hawk/lib/Hawk.cpp
@@ -25,12 +25,90 @@
  */
 
 #include <Hawk.hpp>
+#include <HawkStd.hpp> // for MmgrStd only. i don't like this being mutually dependent
 #include "hawk-prv.h"
 
 /////////////////////////////////
 HAWK_BEGIN_NAMESPACE(HAWK)
 /////////////////////////////////
 
+
+//////////////////////////////////////////////////////////////////
+// Mmged
+//////////////////////////////////////////////////////////////////
+
+Mmged::Mmged (Mmgr* mmgr)
+{
+	if (!mmgr) mmgr = Mmgr::getDFL();
+	this->_mmgr = mmgr;
+}
+
+void Mmged::setMmgr (Mmgr* mmgr)
+{
+	if (!mmgr) mmgr = Mmgr::getDFL();
+	this->_mmgr = mmgr;
+}
+
+//////////////////////////////////////////////////////////////////
+// Mmgr
+//////////////////////////////////////////////////////////////////
+
+
+void* Mmgr::alloc_mem (mmgr_t* mmgr, hawk_oow_t n) HAWK_CPP_NOEXCEPT
+{
+	return ((Mmgr*)mmgr->ctx)->allocMem (n);
+}
+
+void* Mmgr::realloc_mem (mmgr_t* mmgr, void* ptr, hawk_oow_t n) HAWK_CPP_NOEXCEPT
+{
+	return ((Mmgr*)mmgr->ctx)->reallocMem (ptr, n);
+}
+
+void Mmgr::free_mem (mmgr_t* mmgr, void* ptr) HAWK_CPP_NOEXCEPT
+{
+	((Mmgr*)mmgr->ctx)->freeMem (ptr);
+}
+
+void* Mmgr::callocate (hawk_oow_t n, bool raise_exception) /*HAWK_CPP_THREXCEPT1(MemoryError)*/
+{
+	void* ptr = this->allocate(n, raise_exception);
+	HAWK_MEMSET (ptr, 0, n);
+	return ptr;
+}
+
+#if 0
+#if defined(__GNUC__)
+static MmgrStd __attribute__((init_priority(101))) std_dfl_mmgr; //<- this solved the problem
+#else
+static MmgrStd std_dfl_mmgr; //<-- has an issue for undefined initialization order
+#endif
+Mmgr* Mmgr::dfl_mmgr = &std_dfl_mmgr; 
+//Mmgr* Mmgr::dfl_mmgr = MmgrStd::getInstance();  //<--- has an issue as well
+Mmgr* Mmgr::getDFL () HAWK_CPP_NOEXCEPT
+{
+	return Mmgr::dfl_mmgr;
+}
+#else
+// C++ initialization order across translation units are not defined.
+// so it's tricky to work around this... the init_priority attribute
+// can solve this problem. but it's compiler dependent. 
+// Mmgr::getDFL() resets dfl_mmgr to &std_dfl_mmgr if it's NULL.
+Mmgr* Mmgr::dfl_mmgr = HAWK_NULL;
+
+Mmgr* Mmgr::getDFL () HAWK_CPP_NOEXCEPT
+{
+	static MmgrStd std_dfl_mmgr;
+	Mmgr* mmgr = Mmgr::dfl_mmgr;
+	return mmgr? mmgr: &std_dfl_mmgr;
+}
+#endif
+
+void Mmgr::setDFL (Mmgr* mmgr) HAWK_CPP_NOEXCEPT
+{
+	Mmgr::dfl_mmgr = mmgr;
+}
+
+
 //////////////////////////////////////////////////////////////////
 // Hawk::Source
 //////////////////////////////////////////////////////////////////
@@ -1326,14 +1404,14 @@ int Hawk::open ()
 	hawk_prm_t prm;
 
 	HAWK_MEMSET (&prm, 0, HAWK_SIZEOF(prm));
-	prm.math.pow  = pow;
-	prm.math.mod  = mod;
-	prm.modopen   = modopen;
-	prm.modclose  = modclose;
-	prm.modgetsym = modgetsym;
+	prm.math.pow  = Hawk::pow;
+	prm.math.mod  = Hawk::mod;
+	prm.modopen   = Hawk::modopen;
+	prm.modclose  = Hawk::modclose;
+	prm.modgetsym = Hawk::modgetsym;
 
 	hawk_errnum_t errnum;
-	this->awk = hawk_open(this->getMmgr(), HAWK_SIZEOF(xtn_t), &prm, &errnum);
+	this->awk = hawk_open(this->getMmgr(), HAWK_SIZEOF(xtn_t), hawk_get_cmgr_by_id(HAWK_CMGR_UTF8), &prm, &errnum);
 	if (!this->awk)
 	{
 		this->setError (errnum);
@@ -1348,7 +1426,7 @@ int Hawk::open ()
 	xtn->ecb.close = fini_xtn;
 	xtn->ecb.clear = clear_xtn;
 
-	dflerrstr = hawk_geterrstr (this->awk);
+	dflerrstr = hawk_geterrstr(this->awk);
 	hawk_seterrstr (this->awk, xerrstr);
 
 #if defined(HAWK_USE_HTB_FOR_FUNCTION_MAP)
@@ -2447,3 +2525,38 @@ void* Hawk::modgetsym (awk_t* awk, void* handle, const hawk_ooch_t* name)
 /////////////////////////////////
 HAWK_END_NAMESPACE(HAWK)
 /////////////////////////////////
+
+
+
+void* operator new (hawk_oow_t size, HAWK::Mmgr* mmgr) /*HAWK_CPP_THREXCEPT1(HAWK::Mmgr::MemoryError)*/
+{
+	return mmgr->allocate (size);
+}
+
+#if defined(HAWK_CPP_NO_OPERATOR_DELETE_OVERLOADING)
+void hawk_operator_delete (void* ptr, HAWK::Mmgr* mmgr)
+#else
+void operator delete (void* ptr, HAWK::Mmgr* mmgr)
+#endif
+{
+	mmgr->dispose (ptr);
+}
+
+void* operator new (hawk_oow_t size, HAWK::Mmgr* mmgr, void* existing_ptr) /*HAWK_CPP_THREXCEPT1(HAWK::Mmgr::MemoryError)*/
+{
+	// mmgr unused. i put it in the parameter list to make this function
+	// less conflicting with the stock ::operator new() that doesn't allocate.
+	return existing_ptr;
+}
+
+#if 0
+void* operator new[] (hawk_oow_t size, HAWK::Mmgr* mmgr)
+{
+	return mmgr->allocate (size);
+}
+
+void operator delete[] (void* ptr, HAWK::Mmgr* mmgr)
+{
+	mmgr->dispose (ptr);
+}
+#endif
diff --git a/hawk/lib/Hawk.hpp b/hawk/lib/Hawk.hpp
index 433e3f86..bc64c854 100644
--- a/hawk/lib/Hawk.hpp
+++ b/hawk/lib/Hawk.hpp
@@ -28,10 +28,10 @@
 #define _HAWK_HAWK_HPP_
 
 #include <hawk.h>
-#include <stdarg.h>
 
 #define HAWK_USE_HTB_FOR_FUNCTION_MAP 1
 //#define HAWK_VALUE_USE_IN_CLASS_PLACEMENT_NEW 1
+//#define HAWK_NO_LOCATION_IN_EXCEPTION 1
 
 // TOOD: redefine these NAMESPACE stuffs or move them somewhere else
 #define HAWK_BEGIN_NAMESPACE(x) namespace x {
@@ -51,11 +51,329 @@
 HAWK_BEGIN_NAMESPACE(HAWK)
 /////////////////////////////////
 
+#if (__cplusplus >= 201103L) || (defined(_MSC_VER) && _MSC_VER >= 1900) // C++11 or later
+	#define HAWK_LANG_CPP11 1
+	#define HAWK_CPP_NOEXCEPT noexcept(true)
+
+	/// The HAWK_CPP_ENABLE_CPP11_MOVE macro enables C++11 move semantics in various classes.
+	#define HAWK_CPP_ENABLE_CPP11_MOVE 1
+
+	// The HAWK_CPP_CALL_DESTRUCTOR() macro calls a destructor explicitly.
+	#define HAWK_CPP_CALL_DESTRUCTOR(ptr, class_name) ((ptr)->~class_name())
+
+	// The HAWK_CPP_CALL_PLACEMENT_DELETE1() macro calls the global operator delete
+	// with 1 extra argument given.
+	#define HAWK_CPP_CALL_PLACEMENT_DELETE1(ptr, arg1) (::operator delete((ptr), (arg1)))
+
+#elif (__cplusplus >= 199711L) // C++98
+	#undef HAWK_LANG_CPP11 
+	#define HAWK_CPP_NOEXCEPT throw()
+
+	#define HAWK_CPP_CALL_DESTRUCTOR(ptr, class_name) ((ptr)->~class_name())
+	#define HAWK_CPP_CALL_PLACEMENT_DELETE1(ptr, arg1) (::operator delete((ptr), (arg1)))
+#else
+	#undef HAWK_LANG_CPP11 
+	#define HAWK_CPP_NOEXCEPT 
+
+	#if defined(__BORLANDC__)
+
+		// Explicit destructor call requires a class name depending on the
+		// C++ standard/compiler.  
+		// 
+		//   Node* x;
+		//   x->~Node (); 
+		//
+		// While x->~Node() is ok with modern compilers, some old compilers
+		// like BCC55 required the class name in the call as shown below.
+		//
+		//   x->Node::~Node ();
+
+		#define HAWK_CPP_CALL_DESTRUCTOR(ptr, class_name) ((ptr)->class_name::~class_name())
+		#define HAWK_CPP_CALL_PLACEMENT_DELETE1(ptr, arg1) (::operator delete((ptr), (arg1)))
+
+
+	#elif defined(__WATCOMC__)
+		// WATCOM has a problem with this syntax.
+		//    Node* x; x->Node::~Node(). 
+		// But it doesn't support operator delete overloading.
+
+		#define HAWK_CPP_CALL_DESTRUCTOR(ptr, class_name) ((ptr)->~class_name())
+		#define HAWK_CPP_CALL_PLACEMENT_DELETE1(ptr, arg1) (::hawk_operator_delete((ptr), (arg1)))
+
+		// When  the name of a member template specialization appears after .  or
+		// -> in a postfix-expression, or after :: in a qualified-id that explic-
+		// itly  depends on a template-argument (_temp.dep_), the member template
+		// name must be prefixed by the keyword template.  Otherwise the name  is
+		// assumed to name a non-template.  [Example:
+		// 		class X {
+		// 		public:
+		// 			   template<size_t> X* alloc();
+		// 		};
+		// 		void f(X* p)
+		// 		{
+		// 			   X* p1 = p->alloc<200>();
+		// 					 // ill-formed: < means less than
+		// 			   X* p2 = p->template alloc<200>();
+		// 					 // fine: < starts explicit qualification
+		// 		}
+		// --end example]
+		//
+		// WATCOM doesn't support this qualifier.
+
+		#define HAWK_CPP_NO_OPERATOR_DELETE_OVERLOADING 1
+	#else
+
+		#define HAWK_CPP_CALL_DESTRUCTOR(ptr, class_name) ((ptr)->~class_name())
+		#define HAWK_CPP_CALL_PLACEMENT_DELETE1(ptr, arg1) (::operator delete((ptr), (arg1)))
+
+	#endif
+
+#endif
+
+#if defined(HAWK_CPP_ENABLE_CPP11_MOVE)
+
+	template<typename T> struct HAWK_CPP_RMREF      { typedef T Type; };
+	template<typename T> struct HAWK_CPP_RMREF<T&>  { typedef T Type; };
+	template<typename T> struct HAWK_CPP_RMREF<T&&> { typedef T Type; };
+
+	template<typename T> inline
+	typename HAWK_CPP_RMREF<T>::Type&& HAWK_CPP_RVREF(T&& v)
+	{
+		return (typename HAWK_CPP_RMREF<T>::Type&&)v;
+	}
+#else
+
+	/*
+	template<typename T> inline
+	T& HAWK_CPP_RVREF(T& v) { return (T&)v; }
+
+	template<typename T> inline
+	const T& HAWK_CPP_RVREF(const T& v) { return (const T&)v; }
+	*/
+	#define HAWK_CPP_RVREF(x) x
+#endif
+
+/// The Exception class implements the exception object.
+class HAWK_EXPORT Exception
+{
+public:
+	Exception (
+		const hawk_ooch_t* name, const hawk_ooch_t* msg, 
+		const hawk_ooch_t* file, hawk_oow_t line) HAWK_CPP_NOEXCEPT: 
+		name(name), msg(msg)
+#if !defined(HAWK_NO_LOCATION_IN_EXCEPTION)
+		, file(file), line(line) 
+#endif
+	{
+	}
+
+	const hawk_ooch_t* name;
+	const hawk_ooch_t* msg;
+#if !defined(HAWK_NO_LOCATION_IN_EXCEPTION)
+	const hawk_ooch_t* file;
+	hawk_oow_t        line;
+#endif
+};
+
+#define HAWK_THROW(ex_name) \
+	throw ex_name(HAWK_Q(ex_name),HAWK_Q(ex_name), HAWK_T(__FILE__), (hawk_oow_t)__LINE__)
+#define HAWK_THROW_WITH_MSG(ex_name,msg) \
+	throw ex_name(HAWK_Q(ex_name),msg, HAWK_T(__FILE__), (hawk_oow_t)__LINE__)
+
+#define HAWK_EXCEPTION(ex_name) \
+	class ex_name: public HAWK::Exception \
+	{ \
+	public: \
+		ex_name (const hawk_ooch_t* name, const hawk_ooch_t* msg, \
+		         const hawk_ooch_t* file, hawk_oow_t line) HAWK_CPP_NOEXCEPT: \
+			HAWK::Exception (name, msg, file, line) {} \
+	}
+
+#define HAWK_EXCEPTION_NAME(exception_object) ((exception_object).name)
+#define HAWK_EXCEPTION_MSG(exception_object)  ((exception_object).msg)
+
+#if !defined(HAWK_NO_LOCATION_IN_EXCEPTION)
+#	define HAWK_EXCEPTION_FILE(exception_object) ((exception_object).file)
+#	define HAWK_EXCEPTION_LINE(exception_object) ((exception_object).line)
+#else
+#	define HAWK_EXCEPTION_FILE(exception_object) (HAWK_T(""))
+#	define HAWK_EXCEPTION_LINE(exception_object) (0)
+#endif
+
+class HAWK_EXPORT Uncopyable
+{
+public:
+	Uncopyable () HAWK_CPP_NOEXCEPT {}
+	//virtual ~Uncopyable () {}
+
+private:
+	Uncopyable (const Uncopyable&);
+	const Uncopyable& operator= (const Uncopyable&);
+};
+
+///
+/// The Mmgr class defines a memory manager interface that can be inherited
+/// by a class in need of a memory manager as defined in the primitive 
+/// #hawk_mmgr_t type. Using the class over the primitive type enables you to
+/// write code in more object-oriented fashion. An inheriting class should 
+/// implement three pure virtual functions.
+///
+/// You are free to call allocMem(), reallocMem(), and freeMem() in C++ context
+/// where no exception raising is desired. If you want an exception to be 
+/// raised upon memory allocation errors, you can call allocate(), reallocate(),
+/// dispose() instead.
+/// 
+/// 
+class HAWK_EXPORT Mmgr: public hawk_mmgr_t
+{
+public:
+	/// defines an alias type to #hawk_mmgr_t 
+	typedef hawk_mmgr_t mmgr_t;
+
+	HAWK_EXCEPTION (MemoryError);
+
+public:
+	///
+	/// The Mmgr() function builds a memory manager composed of bridge
+	/// functions connecting itself with it.
+	///
+	Mmgr () HAWK_CPP_NOEXCEPT
+	{
+		// NOTE:
+		//  the #hawk_mmgr_t interface is not affected by raise_exception
+		//  because direct calls to the virtual functions that don't raise
+		//  exceptions are made via bridge functions below.
+		this->alloc = alloc_mem;
+		this->realloc = realloc_mem;
+		this->free = free_mem;
+		this->ctx = this;
+	}
+
+	///
+	/// The ~Mmgr() function finalizes a memory manager.
+	///
+	virtual ~Mmgr () HAWK_CPP_NOEXCEPT {}
+
+	///
+	/// The allocate() function calls allocMem() for memory
+	/// allocation. if it fails, it raise an exception if it's
+	/// configured to do so.
+	///
+	void* allocate (hawk_oow_t n, bool raise_exception = true)
+	{
+		void* xptr = this->allocMem (n);
+		if (!xptr && raise_exception) HAWK_THROW (MemoryError);
+		return xptr;
+	}
+
+	///
+	/// The callocate() function allocates memory like allocate() and 
+	/// clears the memory before returning.
+	///
+	void* callocate (hawk_oow_t n, bool raise_exception = true);
+
+	///
+	/// The reallocate() function calls reallocMem() for memory
+	/// reallocation. if it fails, it raise an exception if it's
+	/// configured to do so.
+	///
+	void* reallocate (void* ptr, hawk_oow_t n, bool raise_exception = true)
+	{
+		void* xptr = this->reallocMem (ptr, n);
+		if (!xptr && raise_exception) HAWK_THROW (MemoryError);
+		return xptr;
+	}
+
+	///
+	/// The dispose() function calls freeMem() for memory disposal.
+	///
+	void dispose (void* ptr) HAWK_CPP_NOEXCEPT
+	{
+		this->freeMem (ptr);
+	}
+
+//protected:
+	/// 
+	/// The allocMem() function allocates a chunk of memory of the 
+	/// size \a n and return the pointer to the beginning of the chunk.
+	/// If it fails to allocate memory, it should return #HAWK_NULL.
+	///
+	virtual void* allocMem (
+		hawk_oow_t n ///< size of memory chunk to allocate in bytes 
+	) HAWK_CPP_NOEXCEPT = 0;
+
+	///
+	/// The reallocMem() function resizes a chunk of memory previously
+	/// allocated with the allocMem() function. When resized, the contents
+	/// of the surviving part of a memory chunk is preserved. If it fails to
+	/// resize memory, it should return HAWK_NULL.
+	///
+	virtual void* reallocMem (
+		void* ptr, ///< pointer to memory chunk to resize
+		hawk_oow_t n   ///< new size in bytes
+	) HAWK_CPP_NOEXCEPT = 0;
+
+	///
+	/// The freeMem() function frees a chunk of memory allocated with
+	/// the allocMem() function or resized with the reallocMem() function.
+	///
+	virtual void freeMem (
+		void* ptr ///< pointer to memory chunk to free 
+	) HAWK_CPP_NOEXCEPT = 0;
+
+protected:
+	///
+	/// bridge function from the #hawk_mmgr_t type the allocMem() function.
+	///
+	static void* alloc_mem (mmgr_t* mmgr, hawk_oow_t n) HAWK_CPP_NOEXCEPT;
+
+	///
+	/// bridge function from the #hawk_mmgr_t type the reallocMem() function.
+	///
+	static void* realloc_mem (mmgr_t* mmgr, void* ptr, hawk_oow_t n) HAWK_CPP_NOEXCEPT;
+
+	///
+	/// bridge function from the #hawk_mmgr_t type the freeMem() function.
+	///
+	static void  free_mem (mmgr_t* mmgr, void* ptr) HAWK_CPP_NOEXCEPT;
+
+public:
+	static Mmgr* getDFL () HAWK_CPP_NOEXCEPT;
+	static void setDFL (Mmgr* mmgr) HAWK_CPP_NOEXCEPT;
+
+protected:
+	static Mmgr* dfl_mmgr;
+};
+
+
+class HAWK_EXPORT Mmged
+{
+public:
+	Mmged (Mmgr* mmgr = HAWK_NULL);
+
+	///
+	/// The getMmgr() function returns the memory manager associated.
+	///
+	Mmgr* getMmgr () const { return this->_mmgr; }
+
+protected:
+	/// 
+	/// The setMmgr() function changes the memory manager.
+	/// Changing memory manager requires extra care to be taken 
+	/// especially when you have some data allocated with the previous 
+	/// manager. for this reason, i put this as a protected function.
+	///
+	void setMmgr(Mmgr* mmgr);
+
+private:
+	Mmgr* _mmgr;
+};
+
 /// 
 /// The Hawk class implements an AWK interpreter by wrapping around 
 /// #hawk_t and #hawk_rtx_t.
 ///
-class HAWK_EXPORT Hawk: public Uncopyable, public Types, public Mmged
+class HAWK_EXPORT Hawk: public Uncopyable, public Mmged
 {
 public:
 
@@ -1363,12 +1681,12 @@ protected:
 	static int functionHandler (rtx_t* rtx, const fnc_info_t* fi);
 
 
-	static flt_t pow     (awk_t* awk, flt_t x, flt_t y);
-	static flt_t mod     (awk_t* awk, flt_t x, flt_t y);
+	static flt_t pow (awk_t* awk, flt_t x, flt_t y);
+	static flt_t mod (awk_t* awk, flt_t x, flt_t y);
 
-	static void* modopen  (awk_t* awk, const mod_spec_t* spec);
+	static void* modopen (awk_t* awk, const mod_spec_t* spec);
 	static void  modclose (awk_t* awk, void* handle);
-	static void* modsym   (awk_t* awk, void* handle, const hawk_ooch_t* name);
+	static void* modgetsym (awk_t* awk, void* handle, const hawk_ooch_t* name);
 
 public:
 	// use this with care
@@ -1431,4 +1749,33 @@ private:
 HAWK_END_NAMESPACE(HAWK)
 /////////////////////////////////
 
+
+HAWK_EXPORT void* operator new (hawk_oow_t size, HAWK::Mmgr* mmgr);
+
+#if defined(HAWK_CPP_NO_OPERATOR_DELETE_OVERLOADING)
+HAWK_EXPORT void hawk_operator_delete (void* ptr, HAWK::Mmgr* mmgr);
+#else
+HAWK_EXPORT void operator delete (void* ptr, HAWK::Mmgr* mmgr);
+#endif
+
+HAWK_EXPORT void* operator new (hawk_oow_t size, HAWK::Mmgr* mmgr, void* existing_ptr);
+
+#if 0
+// i found no way to delete an array allocated with
+// the placement new operator. if the array element is an instance
+// of a class, the pointer returned by the new operator call
+// may not be the actual pointer allocated. some compilers
+// seem to put some information about the array at the 
+// beginning of the allocated memory and return the pointer
+// off a few bytes from the beginning.
+void* operator new[] (hawk_oow_t size, HAWK::Mmgr* mmgr);
+void operator delete[] (void* ptr, HAWK::Mmgr* mmgr);
+#endif
+
+#define HAWK_CPP_DELETE_WITH_MMGR(ptr, class_name, mmgr) \
+	do { \
+		HAWK_CPP_CALL_DESTRUCTOR (ptr, class_name); \
+		HAWK_CPP_CALL_PLACEMENT_DELETE1(ptr, mmgr); \
+	} while(0); 
+
 #endif
diff --git a/hawk/lib/StdHawk.cpp b/hawk/lib/HawkStd.cpp
similarity index 88%
rename from hawk/lib/StdHawk.cpp
rename to hawk/lib/HawkStd.cpp
index 7df7c1b5..fe1d3163 100644
--- a/hawk/lib/StdHawk.cpp
+++ b/hawk/lib/HawkStd.cpp
@@ -24,7 +24,7 @@
     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <StdHawk.hpp>
+#include <HawkStd.hpp>
 #include "hawk-prv.h"
 #include <stdlib.h>
 
@@ -45,14 +45,35 @@
 #	error UNSUPPORTED DYNAMIC LINKER
 #endif
 
-
 /////////////////////////////////
 HAWK_BEGIN_NAMESPACE(HAWK)
 /////////////////////////////////
 
-StdHawk::ioattr_t StdHawk::default_ioattr;
+//////////////////////////////////////////////////////////////////////////////
+// MmgrStd
+//////////////////////////////////////////////////////////////////////////////
+void* MmgrStd::allocMem (hawk_oow_t n) HAWK_CPP_NOEXCEPT
+{
+	return ::malloc(n);
+}
 
-static hawk_sio_t* open_sio (Hawk* awk, StdHawk::Run* run, const hawk_ooch_t* file, int flags)
+void* MmgrStd::reallocMem (void* ptr, hawk_oow_t n) HAWK_CPP_NOEXCEPT
+{
+	return ::realloc(ptr, n);
+}
+
+void MmgrStd::freeMem (void* ptr) HAWK_CPP_NOEXCEPT
+{
+	::free (ptr);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+// HawkStd
+//////////////////////////////////////////////////////////////////////////////
+
+HawkStd::ioattr_t HawkStd::default_ioattr;
+
+static hawk_sio_t* open_sio (Hawk* awk, HawkStd::Run* run, const hawk_ooch_t* file, int flags)
 {
 	hawk_sio_t* sio;
 
@@ -69,7 +90,7 @@ static hawk_sio_t* open_sio (Hawk* awk, StdHawk::Run* run, const hawk_ooch_t* fi
 	return sio;
 }
 
-static hawk_sio_t* open_sio_std (Hawk* awk, StdHawk::Run* run, hawk_sio_std_t std, int flags)
+static hawk_sio_t* open_sio_std (Hawk* awk, HawkStd::Run* run, hawk_sio_std_t std, int flags)
 {
 	hawk_sio_t* sio;
 	static const hawk_ooch_t* std_names[] =
@@ -92,7 +113,7 @@ static hawk_sio_t* open_sio_std (Hawk* awk, StdHawk::Run* run, hawk_sio_std_t st
 	return sio;
 }
 
-int StdHawk::open () 
+int HawkStd::open () 
 {
 	int n = Hawk::open ();
 	if (n == -1) return n;
@@ -110,8 +131,8 @@ int StdHawk::open ()
 	if (addFunction (HAWK_T("rand"),       1, 0, HAWK_T("math"),   HAWK_NULL,                            0) <= -1 ||
 	    addFunction (HAWK_T("srand"),      1, 0, HAWK_T("math"),   HAWK_NULL,                            0) <= -1 ||
 	    addFunction (HAWK_T("system"),     1, 0, HAWK_T("sys"),    HAWK_NULL,                            0) <= -1 ||
-	    addFunction (HAWK_T("setioattr"),  3, 3, HAWK_NULL,        (FunctionHandler)&StdHawk::setioattr, HAWK_RIO) <= -1 ||
-	    addFunction (HAWK_T("getioattr"),  3, 3, HAWK_T("vvr"),    (FunctionHandler)&StdHawk::getioattr, HAWK_RIO) <= -1)
+	    addFunction (HAWK_T("setioattr"),  3, 3, HAWK_NULL,        (FunctionHandler)&HawkStd::setioattr, HAWK_RIO) <= -1 ||
+	    addFunction (HAWK_T("getioattr"),  3, 3, HAWK_T("vvr"),    (FunctionHandler)&HawkStd::getioattr, HAWK_RIO) <= -1)
 	{
 		goto oops;
 	}
@@ -134,7 +155,7 @@ oops:
 	return -1;
 }
 
-void StdHawk::close () 
+void HawkStd::close () 
 {
 	if (this->cmgrtab_inited) 
 	{
@@ -145,14 +166,14 @@ void StdHawk::close ()
 	clearConsoleOutputs ();
 
 	//
-	// StdHawk called hawk_stdmodstartup() after Hawk::open().
+	// HawkStd called hawk_stdmodstartup() after Hawk::open().
 	// It's logical to call hawk_stdmodshutdown() Hawk::close().
 	// but Hawk::close() still needs to call some module's fini and
-	// unload functions. So it must be done in StdHawk::uponClosing()
+	// unload functions. So it must be done in HawkStd::uponClosing()
 	// which is called after modules have been unloaded but while
 	// the underlying awk object is still alive. 
 	//
-	// See StdHawk::uponClosing() below.
+	// See HawkStd::uponClosing() below.
 	//
 	//if (this->stdmod_up)
 	//{
@@ -164,7 +185,7 @@ void StdHawk::close ()
 	Hawk::close ();
 }
 
-void StdHawk::uponClosing ()
+void HawkStd::uponClosing ()
 {
 	if (this->stdmod_up)
 	{
@@ -176,7 +197,7 @@ void StdHawk::uponClosing ()
 	Hawk::uponClosing ();
 }
 
-StdHawk::Run* StdHawk::parse (Source& in, Source& out)
+HawkStd::Run* HawkStd::parse (Source& in, Source& out)
 {
 	Run* run = Hawk::parse(in, out);
 
@@ -207,7 +228,7 @@ StdHawk::Run* StdHawk::parse (Source& in, Source& out)
 	return run;
 }
 
-int StdHawk::build_argcv (Run* run)
+int HawkStd::build_argcv (Run* run)
 {
 	Value argv (run);
 
@@ -224,7 +245,7 @@ int StdHawk::build_argcv (Run* run)
 	return 0;
 }
 
-int StdHawk::__build_environ (Run* run, void* envptr)
+int HawkStd::__build_environ (Run* run, void* envptr)
 {
 	hawk_env_hawk_ooch_t** envarr = (hawk_env_hawk_ooch_t**)envptr;
 	Value v_env (run);
@@ -307,7 +328,7 @@ int StdHawk::__build_environ (Run* run, void* envptr)
 	return run->setGlobal (this->gbl_environ, v_env);
 }
 
-int StdHawk::build_environ (Run* run)
+int HawkStd::build_environ (Run* run)
 {
 	hawk_env_t env;
 	int xret;
@@ -324,7 +345,7 @@ int StdHawk::build_environ (Run* run)
 	return xret;
 }
 
-int StdHawk::make_additional_globals (Run* run)
+int HawkStd::make_additional_globals (Run* run)
 {
 	if (build_argcv (run) <= -1 ||
 	    build_environ (run) <= -1) return -1;
@@ -332,7 +353,7 @@ int StdHawk::make_additional_globals (Run* run)
 	return 0;
 }
 
-hawk_cmgr_t* StdHawk::getiocmgr (const hawk_ooch_t* ioname)
+hawk_cmgr_t* HawkStd::getiocmgr (const hawk_ooch_t* ioname)
 {
 	HAWK_ASSERT (this->cmgrtab_inited == true);
 
@@ -343,7 +364,7 @@ hawk_cmgr_t* StdHawk::getiocmgr (const hawk_ooch_t* ioname)
 	return HAWK_NULL;
 }
 
-StdHawk::ioattr_t* StdHawk::get_ioattr (const hawk_ooch_t* ptr, hawk_oow_t len)
+HawkStd::ioattr_t* HawkStd::get_ioattr (const hawk_ooch_t* ptr, hawk_oow_t len)
 {
 	hawk_htb_pair_t* pair;
 
@@ -353,7 +374,7 @@ StdHawk::ioattr_t* StdHawk::get_ioattr (const hawk_ooch_t* ptr, hawk_oow_t len)
 	return (ioattr_t*)HAWK_HTB_VPTR(pair);
 }
 
-StdHawk::ioattr_t* StdHawk::find_or_make_ioattr (const hawk_ooch_t* ptr, hawk_oow_t len)
+HawkStd::ioattr_t* HawkStd::find_or_make_ioattr (const hawk_ooch_t* ptr, hawk_oow_t len)
 {
 	hawk_htb_pair_t* pair;
 
@@ -362,8 +383,8 @@ StdHawk::ioattr_t* StdHawk::find_or_make_ioattr (const hawk_ooch_t* ptr, hawk_oo
 	{
 		pair = hawk_htb_insert (
 			&this->cmgrtab, (void*)ptr, len, 
-			(void*)&StdHawk::default_ioattr, 
-			HAWK_SIZEOF(StdHawk::default_ioattr));
+			(void*)&HawkStd::default_ioattr, 
+			HAWK_SIZEOF(HawkStd::default_ioattr));
 		if (pair == HAWK_NULL) 
 		{
 			this->setError (HAWK_ENOMEM);
@@ -383,7 +404,7 @@ static int timeout_code (const hawk_ooch_t* name)
 	return -1;
 }
 
-int StdHawk::setioattr (
+int HawkStd::setioattr (
 	Run& run, Value& ret, Value* args, hawk_oow_t nargs,
 	const hawk_ooch_t* name, hawk_oow_t len)
 {
@@ -458,7 +479,7 @@ int StdHawk::setioattr (
 	}
 }
 
-int StdHawk::getioattr (
+int HawkStd::getioattr (
 	Run& run, Value& ret, Value* args, hawk_oow_t nargs,
 	const hawk_ooch_t* name, hawk_oow_t len)
 {
@@ -476,7 +497,7 @@ int StdHawk::getioattr (
 	    hawk_strxchr (ptr[1], l[1], HAWK_T('\0')) == HAWK_NULL)
 	{
 		ioattr_t* ioattr = get_ioattr (ptr[0], l[0]);
-		if (ioattr == HAWK_NULL) ioattr = &StdHawk::default_ioattr;
+		if (ioattr == HAWK_NULL) ioattr = &HawkStd::default_ioattr;
 
 		int tmout;
 		if ((tmout = timeout_code(ptr[1])) >= 0)
@@ -499,7 +520,7 @@ int StdHawk::getioattr (
 	return ret.setInt ((int_t)xx);
 }
 
-int StdHawk::open_nwio (Pipe& io, int flags, void* nwad)
+int HawkStd::open_nwio (Pipe& io, int flags, void* nwad)
 {
 	hawk_nwio_tmout_t tmout_buf;
 	hawk_nwio_tmout_t* tmout = HAWK_NULL;
@@ -534,7 +555,7 @@ int StdHawk::open_nwio (Pipe& io, int flags, void* nwad)
 	return 1;
 }
 
-int StdHawk::open_pio (Pipe& io) 
+int HawkStd::open_pio (Pipe& io) 
 { 
 	Hawk::Pipe::Mode mode = io.getMode();
 	hawk_pio_t* pio = HAWK_NULL;
@@ -611,7 +632,7 @@ static int parse_rwpipe_uri (const hawk_ooch_t* uri, int* flags, hawk_nwad_t* nw
 	return -1;
 }
 
-int StdHawk::openPipe (Pipe& io) 
+int HawkStd::openPipe (Pipe& io) 
 { 
 	int flags;
 	hawk_nwad_t nwad;
@@ -627,7 +648,7 @@ int StdHawk::openPipe (Pipe& io)
 	}
 }
 
-int StdHawk::closePipe (Pipe& io) 
+int HawkStd::closePipe (Pipe& io) 
 {
 	if (io.getUflags() > 0)
 	{
@@ -657,35 +678,35 @@ int StdHawk::closePipe (Pipe& io)
 	return 0; 
 }
 
-hawk_ooi_t StdHawk::readPipe (Pipe& io, hawk_ooch_t* buf, hawk_oow_t len) 
+hawk_ooi_t HawkStd::readPipe (Pipe& io, hawk_ooch_t* buf, hawk_oow_t len) 
 { 
 	return (io.getUflags() > 0)?
 		hawk_nwio_read ((hawk_nwio_t*)io.getHandle(), buf, len):
 		hawk_pio_read ((hawk_pio_t*)io.getHandle(), HAWK_PIO_OUT, buf, len);
 }
 
-hawk_ooi_t StdHawk::writePipe (Pipe& io, const hawk_ooch_t* buf, hawk_oow_t len) 
+hawk_ooi_t HawkStd::writePipe (Pipe& io, const hawk_ooch_t* buf, hawk_oow_t len) 
 { 
 	return (io.getUflags() > 0)?
 		hawk_nwio_write((hawk_nwio_t*)io.getHandle(), buf, len):
 		hawk_pio_write((hawk_pio_t*)io.getHandle(), HAWK_PIO_IN, buf, len);
 }
 
-hawk_ooi_t StdHawk::writePipeBytes (Pipe& io, const hawk_bch_t* buf, hawk_oow_t len) 
+hawk_ooi_t HawkStd::writePipeBytes (Pipe& io, const hawk_bch_t* buf, hawk_oow_t len) 
 { 
 	return (io.getUflags() > 0)?
 		hawk_nwio_writebytes((hawk_nwio_t*)io.getHandle(), buf, len):
 		hawk_pio_writebytes((hawk_pio_t*)io.getHandle(), HAWK_PIO_IN, buf, len);
 }
 
-int StdHawk::flushPipe (Pipe& io) 
+int HawkStd::flushPipe (Pipe& io) 
 { 
 	return (io.getUflags() > 0)?
 		hawk_nwio_flush ((hawk_nwio_t*)io.getHandle()):
 		hawk_pio_flush ((hawk_pio_t*)io.getHandle(), HAWK_PIO_IN);
 }
 
-int StdHawk::openFile (File& io) 
+int HawkStd::openFile (File& io) 
 { 
 	Hawk::File::Mode mode = io.getMode();
 	hawk_sio_t* sio = HAWK_NULL;
@@ -718,44 +739,44 @@ int StdHawk::openFile (File& io)
 	return 1;
 }
 
-int StdHawk::closeFile (File& io) 
+int HawkStd::closeFile (File& io) 
 { 
 	hawk_sio_close ((hawk_sio_t*)io.getHandle());
 	return 0; 
 }
 
-hawk_ooi_t StdHawk::readFile (File& io, hawk_ooch_t* buf, hawk_oow_t len) 
+hawk_ooi_t HawkStd::readFile (File& io, hawk_ooch_t* buf, hawk_oow_t len) 
 {
 	return hawk_sio_getoochars((hawk_sio_t*)io.getHandle(), buf, len);
 }
 
-hawk_ooi_t StdHawk::writeFile (File& io, const hawk_ooch_t* buf, hawk_oow_t len)
+hawk_ooi_t HawkStd::writeFile (File& io, const hawk_ooch_t* buf, hawk_oow_t len)
 {
 	return hawk_sio_putoochars((hawk_sio_t*)io.getHandle(), buf, len);
 }
 
-hawk_ooi_t StdHawk::writeFileBytes (File& io, const hawk_bch_t* buf, hawk_oow_t len)
+hawk_ooi_t HawkStd::writeFileBytes (File& io, const hawk_bch_t* buf, hawk_oow_t len)
 {
 	return hawk_sio_putbchars((hawk_sio_t*)io.getHandle(), buf, len);
 }
 
 
-int StdHawk::flushFile (File& io) 
+int HawkStd::flushFile (File& io) 
 { 
 	return hawk_sio_flush((hawk_sio_t*)io.getHandle());
 }
 
-void StdHawk::setConsoleCmgr (const hawk_cmgr_t* cmgr)
+void HawkStd::setConsoleCmgr (const hawk_cmgr_t* cmgr)
 {
 	this->console_cmgr = (hawk_cmgr_t*)cmgr;	
 }
 
-const hawk_cmgr_t* StdHawk::getConsoleCmgr () const
+const hawk_cmgr_t* HawkStd::getConsoleCmgr () const
 {
 	return this->console_cmgr;
 }
 
-int StdHawk::addConsoleOutput (const hawk_ooch_t* arg, hawk_oow_t len) 
+int HawkStd::addConsoleOutput (const hawk_ooch_t* arg, hawk_oow_t len) 
 {
 	HAWK_ASSERT (awk != HAWK_NULL);
 	int n = this->ofile.add (awk, arg, len);
@@ -763,17 +784,17 @@ int StdHawk::addConsoleOutput (const hawk_ooch_t* arg, hawk_oow_t len)
 	return n;
 }
 
-int StdHawk::addConsoleOutput (const hawk_ooch_t* arg) 
+int HawkStd::addConsoleOutput (const hawk_ooch_t* arg) 
 {
 	return addConsoleOutput (arg, hawk_count_oocstr(arg));
 }
 
-void StdHawk::clearConsoleOutputs () 
+void HawkStd::clearConsoleOutputs () 
 {
 	this->ofile.clear (awk);
 }
 
-int StdHawk::open_console_in (Console& io) 
+int HawkStd::open_console_in (Console& io) 
 { 
 	hawk_rtx_t* rtx = (rtx_t*)io;
 
@@ -932,7 +953,7 @@ int StdHawk::open_console_in (Console& io)
 
 }
 
-int StdHawk::open_console_out (Console& io) 
+int HawkStd::open_console_out (Console& io) 
 {
 	hawk_rtx_t* rtx = (rtx_t*)io;
 
@@ -1005,7 +1026,7 @@ int StdHawk::open_console_out (Console& io)
 	}
 }
 
-int StdHawk::openConsole (Console& io) 
+int HawkStd::openConsole (Console& io) 
 {
 	Console::Mode mode = io.getMode();
 
@@ -1030,13 +1051,13 @@ int StdHawk::openConsole (Console& io)
 	}
 }
 
-int StdHawk::closeConsole (Console& io) 
+int HawkStd::closeConsole (Console& io) 
 { 
 	hawk_sio_close ((hawk_sio_t*)io.getHandle());
 	return 0;
 }
 
-hawk_ooi_t StdHawk::readConsole (Console& io, hawk_ooch_t* data, hawk_oow_t size) 
+hawk_ooi_t HawkStd::readConsole (Console& io, hawk_ooch_t* data, hawk_oow_t size) 
 {
 	hawk_ooi_t nn;
 
@@ -1060,22 +1081,22 @@ hawk_ooi_t StdHawk::readConsole (Console& io, hawk_ooch_t* data, hawk_oow_t size
 	return nn;
 }
 
-hawk_ooi_t StdHawk::writeConsole (Console& io, const hawk_ooch_t* data, hawk_oow_t size) 
+hawk_ooi_t HawkStd::writeConsole (Console& io, const hawk_ooch_t* data, hawk_oow_t size) 
 {
 	return hawk_sio_putoochars((hawk_sio_t*)io.getHandle(), data, size);
 }
 
-hawk_ooi_t StdHawk::writeConsoleBytes (Console& io, const hawk_bch_t* data, hawk_oow_t size) 
+hawk_ooi_t HawkStd::writeConsoleBytes (Console& io, const hawk_bch_t* data, hawk_oow_t size) 
 {
 	return hawk_sio_putbchars((hawk_sio_t*)io.getHandle(), data, size);
 }
 
-int StdHawk::flushConsole (Console& io) 
+int HawkStd::flushConsole (Console& io) 
 { 
 	return hawk_sio_flush ((hawk_sio_t*)io.getHandle());
 }
 
-int StdHawk::nextConsole (Console& io) 
+int HawkStd::nextConsole (Console& io) 
 { 
 	int n;
 	hawk_sio_t* sio = (hawk_sio_t*)io.getHandle();
@@ -1095,34 +1116,34 @@ int StdHawk::nextConsole (Console& io)
 }
 
 // memory allocation primitives
-void* StdHawk::allocMem (hawk_oow_t n) 
+void* HawkStd::allocMem (hawk_oow_t n) 
 { 
 	return ::malloc (n); 
 }
 
-void* StdHawk::reallocMem (void* ptr, hawk_oow_t n) 
+void* HawkStd::reallocMem (void* ptr, hawk_oow_t n) 
 { 
 	return ::realloc (ptr, n); 
 }
 
-void  StdHawk::freeMem (void* ptr) 
+void  HawkStd::freeMem (void* ptr) 
 { 
 	::free (ptr); 
 }
 
 // miscellaneous primitive
 
-StdHawk::flt_t StdHawk::pow (flt_t x, flt_t y) 
+HawkStd::flt_t HawkStd::pow (flt_t x, flt_t y) 
 { 
 	return hawk_stdmathpow (this->awk, x, y);
 }
 
-StdHawk::flt_t StdHawk::mod (flt_t x, flt_t y) 
+HawkStd::flt_t HawkStd::mod (flt_t x, flt_t y) 
 { 
 	return hawk_stdmathmod (this->awk, x, y);
 }
 
-void* StdHawk::modopen (const mod_spec_t* spec)
+void* HawkStd::modopen (const mod_spec_t* spec)
 {
 	void* h;
 	h = hawk_stdmodopen (this->awk, spec);
@@ -1130,12 +1151,12 @@ void* StdHawk::modopen (const mod_spec_t* spec)
 	return h;
 }
 
-void StdHawk::modclose (void* handle)
+void HawkStd::modclose (void* handle)
 {
 	hawk_stdmodclose (this->awk, handle);
 }
 
-void* StdHawk::modgetsym (void* handle, const hawk_ooch_t* name)
+void* HawkStd::modgetsym (void* handle, const hawk_ooch_t* name)
 {
 	void* s;
 	s = hawk_stdmodgetsym (this->awk, handle, name);
@@ -1143,7 +1164,7 @@ void* StdHawk::modgetsym (void* handle, const hawk_ooch_t* name)
 	return s;
 }
 
-int StdHawk::SourceFile::open (Data& io)
+int HawkStd::SourceFile::open (Data& io)
 {
 	hawk_sio_t* sio;
 
@@ -1242,7 +1263,7 @@ int StdHawk::SourceFile::open (Data& io)
 	return 1;
 }
 
-int StdHawk::SourceFile::close (Data& io)
+int HawkStd::SourceFile::close (Data& io)
 {
 	hawk_sio_t* sio = (hawk_sio_t*)io.getHandle();
 	hawk_sio_flush (sio);
@@ -1250,17 +1271,17 @@ int StdHawk::SourceFile::close (Data& io)
 	return 0;
 }
 
-hawk_ooi_t StdHawk::SourceFile::read (Data& io, hawk_ooch_t* buf, hawk_oow_t len)
+hawk_ooi_t HawkStd::SourceFile::read (Data& io, hawk_ooch_t* buf, hawk_oow_t len)
 {
 	return hawk_sio_getoochars ((hawk_sio_t*)io.getHandle(), buf, len);
 }
 
-hawk_ooi_t StdHawk::SourceFile::write (Data& io, const hawk_ooch_t* buf, hawk_oow_t len)
+hawk_ooi_t HawkStd::SourceFile::write (Data& io, const hawk_ooch_t* buf, hawk_oow_t len)
 {
 	return hawk_sio_putoochars ((hawk_sio_t*)io.getHandle(), buf, len);
 }
 
-int StdHawk::SourceString::open (Data& io)
+int HawkStd::SourceString::open (Data& io)
 {
 	hawk_sio_t* sio;
 
@@ -1336,13 +1357,13 @@ int StdHawk::SourceString::open (Data& io)
 	return 1;
 }
 
-int StdHawk::SourceString::close (Data& io)
+int HawkStd::SourceString::close (Data& io)
 {
 	if (!io.isMaster()) hawk_sio_close ((hawk_sio_t*)io.getHandle());
 	return 0;
 }
 
-hawk_ooi_t StdHawk::SourceString::read (Data& io, hawk_ooch_t* buf, hawk_oow_t len)
+hawk_ooi_t HawkStd::SourceString::read (Data& io, hawk_ooch_t* buf, hawk_oow_t len)
 {
 	if (io.isMaster())
 	{
@@ -1356,7 +1377,7 @@ hawk_ooi_t StdHawk::SourceString::read (Data& io, hawk_ooch_t* buf, hawk_oow_t l
 	}
 }
 
-hawk_ooi_t StdHawk::SourceString::write (Data& io, const hawk_ooch_t* buf, hawk_oow_t len)
+hawk_ooi_t HawkStd::SourceString::write (Data& io, const hawk_ooch_t* buf, hawk_oow_t len)
 {
 	if (io.isMaster())
 	{
diff --git a/hawk/lib/StdHawk.hpp b/hawk/lib/HawkStd.hpp
similarity index 91%
rename from hawk/lib/StdHawk.hpp
rename to hawk/lib/HawkStd.hpp
index d027d51c..ef21eb72 100644
--- a/hawk/lib/StdHawk.hpp
+++ b/hawk/lib/HawkStd.hpp
@@ -24,11 +24,10 @@
     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef _HAWK_STDAWK_HPP_
-#define _HAWK_STDAWK_HPP_
+#ifndef _HAWK_HAWK_STD_HPP_
+#define _HAWK_HAWK_STD_HPP_
 
 #include <Hawk.hpp>
-#include <StdMmgr.hpp>
 
 /// \file
 /// Standard AWK Interpreter
@@ -37,12 +36,27 @@
 HAWK_BEGIN_NAMESPACE(HAWK)
 ////////////////////////////////
 
+class HAWK_EXPORT MmgrStd: public Mmgr
+{
+public:
+	MmgrStd () HAWK_CPP_NOEXCEPT: Mmgr () {}
+
+	void* allocMem (hawk_oow_t n) HAWK_CPP_NOEXCEPT;
+	void* reallocMem (void* ptr, hawk_oow_t n) HAWK_CPP_NOEXCEPT;
+	void freeMem (void* ptr) HAWK_CPP_NOEXCEPT;
+
+#if 0
+	/// The getInstance() function returns the stock instance of the MmgrStd class.
+	static MmgrStd* getInstance () HAWK_CPP_NOEXCEPT;
+#endif
+};
+
 ///
-/// The StdHawk class provides an easier-to-use interface by overriding 
+/// The HawkStd class provides an easier-to-use interface by overriding 
 /// primitive methods, and implementing the file handler, the pipe handler, 
 /// and common intrinsic functions.
 ///
-class HAWK_EXPORT StdHawk: public Hawk
+class HAWK_EXPORT HawkStd: public Hawk
 {
 public:
 	///
@@ -87,7 +101,7 @@ public:
 		const hawk_ooch_t* ptr;
 	};
 
-	StdHawk (Mmgr* mmgr = HAWK_NULL): Hawk(mmgr), stdmod_up(false), console_cmgr(HAWK_NULL) 
+	HawkStd (Mmgr* mmgr = HAWK_NULL): Hawk(mmgr), stdmod_up(false), console_cmgr(HAWK_NULL) 
 	{
 	}
 
diff --git a/hawk/lib/Makefile.am b/hawk/lib/Makefile.am
index 670f7518..0650a22a 100644
--- a/hawk/lib/Makefile.am
+++ b/hawk/lib/Makefile.am
@@ -158,8 +158,9 @@ libhawk_la_LIBADD += $(UNWIND_LIBS)
 endif
 
 if ENABLE_CXX
+pkginclude_HEADERS += Hawk.hpp HawkStd.hpp
 pkglib_LTLIBRARIES += libhawkxx.la
-libhawkxx_la_SOURCES = Hawk.cpp StdHawk.cpp
+libhawkxx_la_SOURCES = Hawk.cpp HawkStd.cpp
 libhawkxx_la_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
 libhawkxx_la_LDFLAGS = $(LDFLAGS_LIB_COMMON)
 libhawkxx_la_LIBADD = -lhawk $(LIBADD_LIB_COMMON) 
diff --git a/hawk/lib/Makefile.in b/hawk/lib/Makefile.in
index 34ede9d5..ba5a9620 100644
--- a/hawk/lib/Makefile.in
+++ b/hawk/lib/Makefile.in
@@ -93,26 +93,27 @@ host_triplet = @host@
 @ENABLE_LIBLTDL_TRUE@am__append_4 = $(LTDL_LIBS)
 @ENABLE_LIBLTDL_FALSE@am__append_5 = $(DL_LIBS)
 @ENABLE_LIBUNWIND_TRUE@am__append_6 = $(UNWIND_LIBS)
-@ENABLE_CXX_TRUE@am__append_7 = libhawkxx.la
+@ENABLE_CXX_TRUE@am__append_7 = Hawk.hpp HawkStd.hpp
+@ENABLE_CXX_TRUE@am__append_8 = libhawkxx.la
 
 ##################################################
 # STATIC MODULES BUILT INTO MAIN LIBRARY
 ##################################################
-@ENABLE_STATIC_MODULE_TRUE@am__append_8 = \
+@ENABLE_STATIC_MODULE_TRUE@am__append_9 = \
 @ENABLE_STATIC_MODULE_TRUE@	imap-imp.h \
 @ENABLE_STATIC_MODULE_TRUE@	mod-math.c mod-math.h \
 @ENABLE_STATIC_MODULE_TRUE@	mod-str.c mod-str.h \
 @ENABLE_STATIC_MODULE_TRUE@	mod-sys.c mod-sys.h
 
-@ENABLE_STATIC_MODULE_TRUE@am__append_9 = 
-@ENABLE_MOD_MYSQL_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_10 = -lhawk-mysql
-@ENABLE_MOD_MYSQL_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_11 = ../mod/libhawk-mysql.la
-@ENABLE_MOD_UCI_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_12 = -lhawk-uci
-@ENABLE_MOD_UCI_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_13 = ../mod/libhawk-uci.la
+@ENABLE_STATIC_MODULE_TRUE@am__append_10 = 
+@ENABLE_MOD_MYSQL_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_11 = -lhawk-mysql
+@ENABLE_MOD_MYSQL_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_12 = ../mod/libhawk-mysql.la
+@ENABLE_MOD_UCI_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_13 = -lhawk-uci
+@ENABLE_MOD_UCI_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_14 = ../mod/libhawk-uci.la
 
 #pkglibdir = $(libdir)
 #pkglib_LTLIBRARIES = 
-@ENABLE_STATIC_MODULE_FALSE@am__append_14 = libhawk-math.la \
+@ENABLE_STATIC_MODULE_FALSE@am__append_15 = libhawk-math.la \
 @ENABLE_STATIC_MODULE_FALSE@	libhawk-str.la libhawk-sys.la
 subdir = lib
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -126,7 +127,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_check_sign.m4 \
 	$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
-DIST_COMMON = $(srcdir)/Makefile.am $(pkginclude_HEADERS) \
+DIST_COMMON = $(srcdir)/Makefile.am $(am__pkginclude_HEADERS_DIST) \
 	$(am__DIST_COMMON)
 mkinstalldirs = $(install_sh) -d
 CONFIG_HEADER = hawk-cfg.h
@@ -204,24 +205,25 @@ am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
 am__libhawk_la_SOURCES_DIST = hawk.h hawk-chr.h hawk-cmn.h hawk-dir.h \
 	hawk-ecs.h hawk-fmt.h hawk-gem.h hawk-htb.h hawk-rbt.h \
 	hawk-pack1.h hawk-utl.h hawk-std.h hawk-tre.h hawk-unpack.h \
-	arr.c chr.c dir.c ecs-imp.h ecs.c err-prv.h err.c err-sys.c \
-	fmt-imp.h fmt.c fnc-prv.h fnc.c htb.c gem.c gem-skad.c \
-	gem-nwif.c gem-nwif2.c hawk-prv.h hawk.c mb8.c misc-prv.h \
-	misc.c parse-prv.h parse.c rbt.c rec.c rio-prv.h rio.c \
-	run-prv.h run.c tre-prv.h tre-ast.c tre-ast.h tre-compile.c \
-	tre-compile.h tre-match-bt.c tre-match-pa.c tre-match-ut.h \
-	tre-mem.c tre-mem.h tre-parse.c tre-parse.h tre-stack.c \
-	tre-stack.h tre.c tree-prv.h tree.c utf16.c utf8.c utl-ass.c \
-	utl-skad.c utl-skad.h utl-sort.c utl-str.c utl-sys.c utl.c \
-	val-prv.h val.c hawk-cli.h hawk-fio.h hawk-mtx.h hawk-pio.h \
-	hawk-sio.h hawk-tio.h cli.c fio.c mtx.c pio.c sio.c syscall.h \
-	tio.c std-prv.h std.c imap-imp.h mod-math.c mod-math.h \
-	mod-str.c mod-str.h mod-sys.c mod-sys.h
+	Hawk.hpp HawkStd.hpp arr.c chr.c dir.c ecs-imp.h ecs.c \
+	err-prv.h err.c err-sys.c fmt-imp.h fmt.c fnc-prv.h fnc.c \
+	htb.c gem.c gem-skad.c gem-nwif.c gem-nwif2.c hawk-prv.h \
+	hawk.c mb8.c misc-prv.h misc.c parse-prv.h parse.c rbt.c rec.c \
+	rio-prv.h rio.c run-prv.h run.c tre-prv.h tre-ast.c tre-ast.h \
+	tre-compile.c tre-compile.h tre-match-bt.c tre-match-pa.c \
+	tre-match-ut.h tre-mem.c tre-mem.h tre-parse.c tre-parse.h \
+	tre-stack.c tre-stack.h tre.c tree-prv.h tree.c utf16.c utf8.c \
+	utl-ass.c utl-skad.c utl-skad.h utl-sort.c utl-str.c utl-sys.c \
+	utl.c val-prv.h val.c hawk-cli.h hawk-fio.h hawk-mtx.h \
+	hawk-pio.h hawk-sio.h hawk-tio.h cli.c fio.c mtx.c pio.c sio.c \
+	syscall.h tio.c std-prv.h std.c imap-imp.h mod-math.c \
+	mod-math.h mod-str.c mod-str.h mod-sys.c mod-sys.h
 am__objects_1 =
-@ENABLE_STATIC_MODULE_TRUE@am__objects_2 = libhawk_la-mod-math.lo \
+am__objects_2 = $(am__objects_1)
+@ENABLE_STATIC_MODULE_TRUE@am__objects_3 = libhawk_la-mod-math.lo \
 @ENABLE_STATIC_MODULE_TRUE@	libhawk_la-mod-str.lo \
 @ENABLE_STATIC_MODULE_TRUE@	libhawk_la-mod-sys.lo
-am_libhawk_la_OBJECTS = $(am__objects_1) libhawk_la-arr.lo \
+am_libhawk_la_OBJECTS = $(am__objects_2) libhawk_la-arr.lo \
 	libhawk_la-chr.lo libhawk_la-dir.lo libhawk_la-ecs.lo \
 	libhawk_la-err.lo libhawk_la-err-sys.lo libhawk_la-fmt.lo \
 	libhawk_la-fnc.lo libhawk_la-htb.lo libhawk_la-gem.lo \
@@ -238,14 +240,14 @@ am_libhawk_la_OBJECTS = $(am__objects_1) libhawk_la-arr.lo \
 	libhawk_la-utl-str.lo libhawk_la-utl-sys.lo libhawk_la-utl.lo \
 	libhawk_la-val.lo libhawk_la-cli.lo libhawk_la-fio.lo \
 	libhawk_la-mtx.lo libhawk_la-pio.lo libhawk_la-sio.lo \
-	libhawk_la-tio.lo libhawk_la-std.lo $(am__objects_2)
+	libhawk_la-tio.lo libhawk_la-std.lo $(am__objects_3)
 libhawk_la_OBJECTS = $(am_libhawk_la_OBJECTS)
 libhawk_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
 	$(libhawk_la_LDFLAGS) $(LDFLAGS) -o $@
-am__libhawkxx_la_SOURCES_DIST = Hawk.cpp StdHawk.cpp
+am__libhawkxx_la_SOURCES_DIST = Hawk.cpp HawkStd.cpp
 @ENABLE_CXX_TRUE@am_libhawkxx_la_OBJECTS = libhawkxx_la-Hawk.lo \
-@ENABLE_CXX_TRUE@	libhawkxx_la-StdHawk.lo
+@ENABLE_CXX_TRUE@	libhawkxx_la-HawkStd.lo
 libhawkxx_la_OBJECTS = $(am_libhawkxx_la_OBJECTS)
 libhawkxx_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CXXLD) $(AM_CXXFLAGS) \
@@ -316,6 +318,10 @@ am__can_run_installinfo = \
     n|no|NO) false;; \
     *) (install-info --version) >/dev/null 2>&1;; \
   esac
+am__pkginclude_HEADERS_DIST = hawk.h hawk-chr.h hawk-cmn.h hawk-dir.h \
+	hawk-ecs.h hawk-fmt.h hawk-gem.h hawk-htb.h hawk-rbt.h \
+	hawk-pack1.h hawk-utl.h hawk-std.h hawk-tre.h hawk-unpack.h \
+	Hawk.hpp HawkStd.hpp
 HEADERS = $(pkginclude_HEADERS)
 am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) \
 	$(LISP)hawk-cfg.h.in
@@ -535,23 +541,11 @@ DEPENDENCIES_LIB_COMMON =
 @WIN32_TRUE@CPPFLAGS_PFMOD = -DHAWK_DEFAULT_MODPREFIX=\"libhawk-\" \
 @WIN32_TRUE@	-DHAWK_DEFAULT_MODPOSTFIX=\"-1.dll\" \
 @WIN32_TRUE@	$(am__append_1) $(am__append_2)
-pkginclude_HEADERS = \
-	hawk.h \
-	hawk-chr.h \
-	hawk-cmn.h \
-	hawk-dir.h \
-	hawk-ecs.h \
-	hawk-fmt.h \
-	hawk-gem.h \
-	hawk-htb.h \
-	hawk-rbt.h \
-	hawk-pack1.h \
-	hawk-utl.h \
-	hawk-std.h \
-	hawk-tre.h \
-	hawk-unpack.h
-
-pkglib_LTLIBRARIES = libhawk.la $(am__append_7) $(am__append_14)
+pkginclude_HEADERS = hawk.h hawk-chr.h hawk-cmn.h hawk-dir.h \
+	hawk-ecs.h hawk-fmt.h hawk-gem.h hawk-htb.h hawk-rbt.h \
+	hawk-pack1.h hawk-utl.h hawk-std.h hawk-tre.h hawk-unpack.h \
+	$(am__append_7)
+pkglib_LTLIBRARIES = libhawk.la $(am__append_8) $(am__append_15)
 libhawk_la_SOURCES = $(pkginclude_HEADERS) arr.c chr.c dir.c ecs-imp.h \
 	ecs.c err-prv.h err.c err-sys.c fmt-imp.h fmt.c fnc-prv.h \
 	fnc.c htb.c gem.c gem-skad.c gem-nwif.c gem-nwif2.c hawk-prv.h \
@@ -563,15 +557,15 @@ libhawk_la_SOURCES = $(pkginclude_HEADERS) arr.c chr.c dir.c ecs-imp.h \
 	utl-ass.c utl-skad.c utl-skad.h utl-sort.c utl-str.c utl-sys.c \
 	utl.c val-prv.h val.c hawk-cli.h hawk-fio.h hawk-mtx.h \
 	hawk-pio.h hawk-sio.h hawk-tio.h cli.c fio.c mtx.c pio.c sio.c \
-	syscall.h tio.c std-prv.h std.c $(am__append_8)
+	syscall.h tio.c std-prv.h std.c $(am__append_9)
 libhawk_la_CPPFLAGS = $(CPPFLAGS_LIB_COMMON) $(am__append_3)
 libhawk_la_LDFLAGS = $(LDFLAGS_LIB_COMMON)
 libhawk_la_LIBADD = $(LIBADD_LIB_COMMON) $(am__append_4) \
-	$(am__append_5) $(am__append_6) $(am__append_9) \
-	$(am__append_10) $(am__append_12)
-libhawk_la_DEPENDENCIES = $(DEPENDENCIES_LIB_COMMON) $(am__append_11) \
-	$(am__append_13)
-@ENABLE_CXX_TRUE@libhawkxx_la_SOURCES = Hawk.cpp StdHawk.cpp
+	$(am__append_5) $(am__append_6) $(am__append_10) \
+	$(am__append_11) $(am__append_13)
+libhawk_la_DEPENDENCIES = $(DEPENDENCIES_LIB_COMMON) $(am__append_12) \
+	$(am__append_14)
+@ENABLE_CXX_TRUE@libhawkxx_la_SOURCES = Hawk.cpp HawkStd.cpp
 @ENABLE_CXX_TRUE@libhawkxx_la_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
 @ENABLE_CXX_TRUE@libhawkxx_la_LDFLAGS = $(LDFLAGS_LIB_COMMON)
 @ENABLE_CXX_TRUE@libhawkxx_la_LIBADD = -lhawk $(LIBADD_LIB_COMMON) 
@@ -758,7 +752,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhawk_str_la-mod-str.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhawk_sys_la-mod-sys.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhawkxx_la-Hawk.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhawkxx_la-StdHawk.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhawkxx_la-HawkStd.Plo@am__quote@
 
 .c.o:
 @am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
@@ -1179,12 +1173,12 @@ libhawkxx_la-Hawk.lo: Hawk.cpp
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libhawkxx_la_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o libhawkxx_la-Hawk.lo `test -f 'Hawk.cpp' || echo '$(srcdir)/'`Hawk.cpp
 
-libhawkxx_la-StdHawk.lo: StdHawk.cpp
-@am__fastdepCXX_TRUE@	$(AM_V_CXX)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libhawkxx_la_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT libhawkxx_la-StdHawk.lo -MD -MP -MF $(DEPDIR)/libhawkxx_la-StdHawk.Tpo -c -o libhawkxx_la-StdHawk.lo `test -f 'StdHawk.cpp' || echo '$(srcdir)/'`StdHawk.cpp
-@am__fastdepCXX_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libhawkxx_la-StdHawk.Tpo $(DEPDIR)/libhawkxx_la-StdHawk.Plo
-@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='StdHawk.cpp' object='libhawkxx_la-StdHawk.lo' libtool=yes @AMDEPBACKSLASH@
+libhawkxx_la-HawkStd.lo: HawkStd.cpp
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libhawkxx_la_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT libhawkxx_la-HawkStd.lo -MD -MP -MF $(DEPDIR)/libhawkxx_la-HawkStd.Tpo -c -o libhawkxx_la-HawkStd.lo `test -f 'HawkStd.cpp' || echo '$(srcdir)/'`HawkStd.cpp
+@am__fastdepCXX_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libhawkxx_la-HawkStd.Tpo $(DEPDIR)/libhawkxx_la-HawkStd.Plo
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='HawkStd.cpp' object='libhawkxx_la-HawkStd.lo' libtool=yes @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libhawkxx_la_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o libhawkxx_la-StdHawk.lo `test -f 'StdHawk.cpp' || echo '$(srcdir)/'`StdHawk.cpp
+@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libhawkxx_la_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o libhawkxx_la-HawkStd.lo `test -f 'HawkStd.cpp' || echo '$(srcdir)/'`HawkStd.cpp
 
 mostlyclean-libtool:
 	-rm -f *.lo
diff --git a/hawk/lib/generrcode.awk b/hawk/lib/generrcode.awk
index c70c8c46..2c672971 100644
--- a/hawk/lib/generrcode.awk
+++ b/hawk/lib/generrcode.awk
@@ -1,7 +1,7 @@
 #
 # generrcode.awk
 #
-# qseawk -f generrcode.awk awk.h
+# hawk -f generrcode.awk hawk-cmn.h
 #
 
 BEGIN { 
diff --git a/hawk/lib/genoptcode.awk b/hawk/lib/genoptcode.awk
index a7c649ea..8463aa27 100644
--- a/hawk/lib/genoptcode.awk
+++ b/hawk/lib/genoptcode.awk
@@ -1,7 +1,7 @@
 #
 # genoptcode.awk
 #
-# qseawk -f generror.awk awk.h
+# hawk -f generror.awk hawk.h
 #
 
 BEGIN { 
diff --git a/hawk/lib/hawk-cmn.h b/hawk/lib/hawk-cmn.h
index 2eb43139..551d5536 100644
--- a/hawk/lib/hawk-cmn.h
+++ b/hawk/lib/hawk-cmn.h
@@ -420,11 +420,20 @@ typedef unsigned char           hawk_bchu_t; /* unsigned version of hawk_bch_t f
 	typedef hawk_uint32_t      hawk_uchu_t; /* same as hawk_uch_t as it is already unsigned */
 #	define HAWK_SIZEOF_UCH_T 4
 
-#elif defined(__GNUC__) && defined(__CHAR16_TYPE__)
-	typedef __CHAR16_TYPE__    hawk_uch_t; 
-	typedef hawk_uint16_t      hawk_uchu_t; /* same as hawk_uch_t as it is already unsigned */
+#elif (defined(__cplusplus) && (defined(HAWK_USE_CPP_CHAR16_T) || (__cplusplus >= 201103L) || (defined(_MSC_VER) && _MSC_VER >= 1900))) /* user chosen or C++11 or later */
+	/* you can define HAWK_USE_CPP_CHAR16_T if you know the C++ compiler supports char16_t and 
+	 * it treats the u"XXX" or u'x' literals incompatibly with __CHAR16_TYPE__ */
+	typedef char16_t           hawk_uch_t;  /* char16_t is an unsigned integer type used for 16-bit wide characters */
+	typedef char16_t           hawk_uchu_t; /* same as hawk_uch_t as it is already unsigned */
 #	define HAWK_SIZEOF_UCH_T 2
 #	define HAWK_UCH_IS_CHAR16_T
+
+#elif defined(__GNUC__) && defined(__CHAR16_TYPE__)
+	typedef __CHAR16_TYPE__    hawk_uch_t;  /* this part isn't fully compatible with c++. try 'const __CHAR16_TYPE__* x = u"abc";' with g++ */
+	typedef hawk_uint16_t      hawk_uchu_t;
+#	define HAWK_SIZEOF_UCH_T 2
+#	define HAWK_UCH_IS_CHAR16_T
+
 #else
 	typedef hawk_uint16_t      hawk_uch_t;
 	typedef hawk_uint16_t      hawk_uchu_t; /* same as hawk_uch_t as it is already unsigned */
@@ -1249,19 +1258,19 @@ typedef enum hawk_log_mask_t hawk_log_mask_t;
 /* =========================================================================
  * CHARACTER/STRING LITERALS
  * =========================================================================*/
-#define HAWK_MQ_I(val) #val
-#define HAWK_MQ(val)   HAWK_MQ_I(val)
+#define HAWK_BQ_I(val) #val
+#define HAWK_BQ(val)   HAWK_BQ_I(val)
 /**
  * The #HAWK_BT macro maps a multi-byte literal string literal as it is.
  */
 #define HAWK_BT(txt)   (txt)
 
 #if defined(HAWK_UCH_IS_CHAR16_T)
-#       define HAWK_WQ_I(val)  (u ## #val)
-#       define HAWK_WQ(val)    HAWK_WQ_I(val)
+#       define HAWK_UQ_I(val)  (u ## #val)
+#       define HAWK_UQ(val)    HAWK_UQ_I(val)
 #else
-#       define HAWK_WQ_I(val)  (L ## #val)
-#       define HAWK_WQ(val)    HAWK_WQ_I(val)
+#       define HAWK_UQ_I(val)  (L ## #val)
+#       define HAWK_UQ(val)    HAWK_UQ_I(val)
 #endif
 
 /**
@@ -1281,10 +1290,10 @@ typedef enum hawk_log_mask_t hawk_log_mask_t;
  * #HAWK_UT if #HAWK_OOCH_IS_UCH is defined.
  */
 #if defined(HAWK_OOCH_IS_BCH)
-#       define HAWK_Q(val) HAWK_MQ(val)
+#       define HAWK_Q(val) HAWK_BQ(val)
 #       define HAWK_T(txt) HAWK_BT(txt)
 #else
-#       define HAWK_Q(val) HAWK_WQ(val)
+#       define HAWK_Q(val) HAWK_UQ(val)
 #       define HAWK_T(txt) HAWK_UT(txt)
 #endif
 
diff --git a/hawk/lib/mod-math.c b/hawk/lib/mod-math.c
index c1ee75b3..b1bf6bec 100644
--- a/hawk/lib/mod-math.c
+++ b/hawk/lib/mod-math.c
@@ -65,7 +65,7 @@ typedef struct modctx_t
 	unsigned int seed;
 #if defined(HAVE_INITSTATE_R) && defined(HAVE_SRANDOM_R) && defined(HAVE_RANDOM_R)
 	struct random_data prand;
-	hawk_uint8_t prand_bin[256];
+	char prand_bin[256]; /* or hawk_uint8_t? */
 #endif
 } modctx_t;