DtAssert.h

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/****************************************************************************** 
** Copyright (c) 2017 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 

#pragma once

// If this is is 1, the asserts are enabled. Else they are compiled out
// The developer can turn them on for development (locally)
#ifndef DT_ASSERT_ENABLED
#define DT_ASSERT_ENABLED 0
#endif

#if DT_ASSERT_ENABLED
#ifdef NDEBUG
   #undef NDEBUG
#endif
   // do the assert 
   #include <cassert>
   #define Assert assert
#else
   #define Assert(exp) static_cast<void>(0)
#endif

#define ASSERT_PREDICATE(p)  Assert(p);

#define ASSERT_RETURN(p)     Assert(p); \
   if (p==0)\
   return;
#define ASSERT_RETURN_ZERO(p)   Assert(p); \
   if (p==0)\
   return 0;

#define ASSERT_PREDICATE_RETURN(p)      Assert((p)); \
   if ((p)==false)\
   return;

#define ASSERT_PREDICATE_RETURN_ZERO(p)     Assert((p)); \
   if ((p)==false)\
   return 0;

#define ASSERT_PREDICATE_RETURN_DEFAULT_CONSTRUCTOR(V, p)     Assert((p)); \
   if ((p)==false)\
   return V();

#define ASSERT_PREDICATE_RETURN_FALSE(p)  Assert((p)); \
   if ((p)==false)\
   return false;
   
#define ASSERT_PREDICATE_RETURN_TRUE(p)     Assert((p)); \
   if ((p)==false)\
   return true;

#define ASSERT_RETURN_EMPTY_STRING(p)    Assert(p); \
   if (p==0)\
   return "";

#define ASSERT_RETURN_FALSE(p)     Assert(p); \
   if (p==0)\
   return false;
#define ASSERT_RETURN_TRUE(p)   Assert(p); \
   if (p==0)\
   return true;

#define ASSERT_EQUAL_RETURN_ZERO(x,y)   Assert(x==y);\
   if (x!=y)   \
   return 0;