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#ifndef _DEBUG_H
#define _DEBUG_H
#define DEVELOPER 4
#define ALPHA 3
#define BETA 2
#define RELEASE 1
#define NO_SEATBELT 0
#ifndef DEBUG_LEVEL
#define DEBUG_LEVEL NO_SEATBELT
#endif
#if DEBUG_LEVEL >= RELEASE
#include <cassert>
#endif
//////////////////////////////////////////////////////////////////////
//
// General debugging facilities
//
// - In developer level, all checking and debugging facilities are
// active.
//
// - Alpha level does not include performance degrading
// VALIDATE calls.
//
// - Beta level is like Alpha, but does not include debugging
// facilities.
//
// - Release level does not include CONFIRM checks, but does include
// assert calls.
//
// - Running with no seatbelt disables all checking except for normal
// syntax and semantic error checking.
#if DEBUG_LEVEL >= ALPHA
#include <pcre.h>
#include <cstring>
#include <new>
#include <iostream>
#include <cstdlib>
#include <ctime>
#define DEBUG_ENABLED
extern std::ostream * _debug_stream;
extern bool _free_debug_stream;
bool _debug_active(const char * const cls);
#define DEBUG_CLASS(cls) static const char * const _debug_cls = (cls)
#define DEBUG(cls) (_debug_active(cls))
#define DEBUG_() DEBUG(_debug_cls)
#define DEBUG_IF(cls) if (_debug_active(cls))
#define DEBUG_IF_() if (_debug_active(_debug_cls))
#define DEBUG_PRINT(cls, x) \
if (_debug_stream && _debug_active(cls)) { \
*_debug_stream << x << std::endl; \
}
#define DEBUG_PRINT_(x) DEBUG_PRINT(_debug_cls, x)
#define DEBUG_PRINT_TIME(cls, x) { \
char buf[32]; \
std::strftime(buf, 31, "%Y/%m/%d:%H", std::localtime(&x)); \
DEBUG_PRINT(cls, #x << " is " << buf); \
}
#define DEBUG_PRINT_TIME_(x) DEBUG_PRINT_TIME(_debug_cls, x)
#define CONFIRM(x) assert(x)
#if DEBUG_LEVEL == DEVELOPER
#define VALIDATE(x) assert(x)
#else
#define VALIDATE(x)
#endif
void * operator new(std::size_t) throw (std::bad_alloc);
void * operator new[](std::size_t) throw (std::bad_alloc);
void operator delete(void*) throw();
void operator delete[](void*) throw();
void * operator new(std::size_t, const std::nothrow_t&) throw();
void * operator new[](std::size_t, const std::nothrow_t&) throw();
void operator delete(void*, const std::nothrow_t&) throw();
void operator delete[](void*, const std::nothrow_t&) throw();
#else // DEBUG_LEVEL
#define DEBUG_CLASS(cls)
#define DEBUG(cls) 0
#define DEBUG_() 0
#define DEBUG_IF(cls)
#define DEBUG_IF_()
#define DEBUG_PRINT(cls, x)
#define DEBUG_PRINT_(x)
#define DEBUG_PRINT_TIME(cls, x)
#define DEBUG_PRINT_TIME_(x)
#define VALIDATE(x)
#if DEBUG_LEVEL == NO_SEATBELT
#undef assert
#define assert(x)
#define CONFIRM(x)
#elif DEBUG_LEVEL >= RELEASE
#define CONFIRM(x)
#elif DEBUG_LEVEL >= BETA
#define CONFIRM(x) assert(x)
#endif
#endif // DEBUG_LEVEL
#endif // _DEBUG_H
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