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Reduce overhead of setErrorX() calls.

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Checking the status code in the macro before "context" is used avoids
significant overhead (string processing) in the common case when the code
is zero.

Change-Id: I69b8b220187ac1ab905cdf56dde5c4b6c61101b7
This commit is contained in:
Peter Johnson
2015-11-28 11:42:01 -08:00
parent 61760c839a
commit a66eaa4348
1 changed files with 37 additions and 25 deletions
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62
wpilibc/shared/include/ErrorBase.h
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@@ -13,35 +13,47 @@
#include "llvm/StringRef.h"
#define wpi_setErrnoErrorWithContext(context) \
(this->SetErrnoError((context), __FILE__, __FUNCTION__, __LINE__))
#define wpi_setErrnoError() (wpi_setErrnoErrorWithContext(""))
#define wpi_setImaqErrorWithContext(code, context) \
(this->SetImaqError((code), (context), __FILE__, __FUNCTION__, __LINE__))
#define wpi_setErrorWithContext(code, context) \
(this->SetError((code), (context), __FILE__, __FUNCTION__, __LINE__))
#define wpi_setError(code) (wpi_setErrorWithContext(code, ""))
#define wpi_setStaticErrorWithContext(object, code, context) \
(object->SetError((code), (context), __FILE__, __FUNCTION__, __LINE__))
this->SetErrnoError((context), __FILE__, __FUNCTION__, __LINE__)
#define wpi_setErrnoError() wpi_setErrnoErrorWithContext("")
#define wpi_setImaqErrorWithContext(code, context) \
do { \
if ((code) != 0) \
this->SetImaqError((code), (context), __FILE__, __FUNCTION__, __LINE__); \
} while (0)
#define wpi_setErrorWithContext(code, context) \
do { \
if ((code) != 0) \
this->SetError((code), (context), __FILE__, __FUNCTION__, __LINE__); \
} while (0)
#define wpi_setError(code) wpi_setErrorWithContext(code, "")
#define wpi_setStaticErrorWithContext(object, code, context) \
do { \
if ((code) != 0) \
object->SetError((code), (context), __FILE__, __FUNCTION__, __LINE__); \
} while (0)
#define wpi_setStaticError(object, code) \
(wpi_setStaticErrorWithContext(object, code, ""))
#define wpi_setGlobalErrorWithContext(code, context) \
(ErrorBase::SetGlobalError((code), (context), __FILE__, __FUNCTION__, \
__LINE__))
#define wpi_setGlobalError(code) (wpi_setGlobalErrorWithContext(code, ""))
#define wpi_setWPIErrorWithContext(error, context) \
(this->SetWPIError((wpi_error_s_##error), (wpi_error_value_##error), \
(context), __FILE__, __FUNCTION__, __LINE__))
wpi_setStaticErrorWithContext(object, code, "")
#define wpi_setGlobalErrorWithContext(code, context) \
do { \
if ((code) != 0) \
ErrorBase::SetGlobalError((code), (context), __FILE__, __FUNCTION__, \
__LINE__); \
} while (0)
#define wpi_setGlobalError(code) wpi_setGlobalErrorWithContext(code, "")
#define wpi_setWPIErrorWithContext(error, context) \
this->SetWPIError((wpi_error_s_##error), (wpi_error_value_##error), \
(context), __FILE__, __FUNCTION__, __LINE__)
#define wpi_setWPIError(error) (wpi_setWPIErrorWithContext(error, ""))
#define wpi_setStaticWPIErrorWithContext(object, error, context) \
(object->SetWPIError((wpi_error_s_##error), (context), __FILE__, \
__FUNCTION__, __LINE__))
#define wpi_setStaticWPIErrorWithContext(object, error, context) \
object->SetWPIError((wpi_error_s_##error), (context), __FILE__, \
__FUNCTION__, __LINE__)
#define wpi_setStaticWPIError(object, error) \
(wpi_setStaticWPIErrorWithContext(object, error, ""))
#define wpi_setGlobalWPIErrorWithContext(error, context) \
(ErrorBase::SetGlobalWPIError((wpi_error_s_##error), (context), __FILE__, \
__FUNCTION__, __LINE__))
wpi_setStaticWPIErrorWithContext(object, error, "")
#define wpi_setGlobalWPIErrorWithContext(error, context) \
ErrorBase::SetGlobalWPIError((wpi_error_s_##error), (context), __FILE__, \
__FUNCTION__, __LINE__)
#define wpi_setGlobalWPIError(error) \
(wpi_setGlobalWPIErrorWithContext(error, ""))
wpi_setGlobalWPIErrorWithContext(error, "")
/**
* Base class for most objects.