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Work on new assert macro.

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This commit is contained in:
David Williams 2012-12-26 02:03:32 +00:00
parent c78a8595fb
commit c74c1a2b44
2 changed files with 66 additions and 60 deletions
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12
library/PolyVoxCore/include/PolyVoxCore/Impl/ErrorHandling.h
View File

@ -26,6 +26,13 @@ freely, subject to the following restrictions:
#define POLYVOX_ASSERTS_ENABLED
/*
* Assertions
* ----------
* The code below implements a custom assert function called POLYVOX_ASSERT which has a number of advantages compared to
* the standard C/C++ assert(). It is based on http://cnicholson.net/2009/02/stupid-c-tricks-adventures-in-assert/ which
* provides code under the MIT license.
*/
namespace PolyVox
{
namespace Assert
@ -41,10 +48,7 @@ namespace PolyVox
Handler GetHandler();
void SetHandler(Handler newHandler);
FailBehavior ReportFailure(const char* condition,
const char* file,
int line,
const char* msg, ...);
FailBehavior ReportFailure(const char* condition, const char* file, int line, const char* msg, ...);
}
}

56
library/polyvoxcore/source/Impl/ErrorHandling.cpp
View File

@ -3,17 +3,19 @@
#include <cstdio>
#include <cstdarg>
/*
* Assertions
* ----------
* The code below implements a custom assert function called POLYVOX_ASSERT which has a number of advantages compared to
* the standard C/C++ assert(). It is based on http://cnicholson.net/2009/02/stupid-c-tricks-adventures-in-assert/ which
* provides code under the MIT license.
*/
namespace PolyVox
{
namespace
{
Assert::FailBehavior DefaultHandler(const char* condition,
const char* msg,
const char* file,
const int line)
{
namespace
{
Assert::FailBehavior DefaultHandler(const char* condition, const char* msg, const char* file, const int line)
{
std::printf("%s(%d): Assert Failure: ", file, line);
if (condition != NULL)
@ -25,31 +27,28 @@ Assert::FailBehavior DefaultHandler(const char* condition,
std::printf("\n");
return Assert::Halt;
}
}
Assert::Handler& GetAssertHandlerInstance()
{
Assert::Handler& GetAssertHandlerInstance()
{
static Assert::Handler s_handler = &DefaultHandler;
return s_handler;
}
}
}
}
Assert::Handler Assert::GetHandler()
{
Assert::Handler Assert::GetHandler()
{
return GetAssertHandlerInstance();
}
}
void Assert::SetHandler(Assert::Handler newHandler)
{
void Assert::SetHandler(Assert::Handler newHandler)
{
GetAssertHandlerInstance() = newHandler;
}
}
Assert::FailBehavior Assert::ReportFailure(const char* condition,
const char* file,
const int line,
const char* msg, ...)
{
Assert::FailBehavior Assert::ReportFailure(const char* condition, const char* file, const int line, const char* msg, ...)
{
const char* message = NULL;
if (msg != NULL)
{
@ -57,7 +56,11 @@ Assert::FailBehavior Assert::ReportFailure(const char* condition,
{
va_list args;
va_start(args, msg);
#if defined (_MSC_VER)
vsnprintf_s(messageBuffer, 1024, msg, args);
#else
vsnprintf(messageBuffer, 1024, msg, args);
#endif
va_end(args);
}
@ -65,6 +68,5 @@ Assert::FailBehavior Assert::ReportFailure(const char* condition,
}
return GetAssertHandlerInstance()(condition, message, file, line);
}
}
}