vrpn_Assert.h 文件参考

Header for assert macros. 更多...

#include <assert.h>

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宏定义
#define	VRPN_CURRENT_FUNCTION   "(unknown)"
	Expands to the special preprocessor macro providing a useful description of the current function, where available.
#define	VRPN_ASSERT(expr)   assert(expr)
	Asserts the truth of expr according to the configuration of vrpn_Assert.h at the time of inclusion. If not asserting, does not evaluate expression.
#define	VRPN_ASSERT_MSG(expr, msg)   assert((expr) && (msg))
	Like VRPN_ASSERT(expr) but allows specification of a message to be included in the case of a failed assertion.
#define	VRPN_VERIFY(expr)   VRPN_ASSERT(expr)
	Typically forwards to VRPN_ASSERT, but in cases where VRPN_ASSERT would expand to nothing (not evaluating the expression), VRPN_VERIFY evaluates the expression but discards the result.
#define	VRPN_VERIFY_MSG(expr, msg)   VRPN_ASSERT_MSG(expr,msg)
	Like VRPN_VERIFY(expr) but allows specification of a message to be included in the case of a failed assertion.

详细描述

Header for assert macros.

Include guards intentionally omitted, to allow re-inclusion with different options.

Assertions can either do nothing, call an assert handler on failure that prints details to stderr, or call your compiler system's assert.

• Define VRPN_DISABLE_ASSERTS before including this file to forcibly disable all asserts.
• By default, debug builds will use the standard assert method, and release builds will do nothing.
• To unconditionally (debug and release) enable the custom assert handler, define VRPN_ENABLE_ASSERT_HANDLER
• To enable the custom assert handler for debug builds only (leaving asserts as no-ops in release builds), define VRPN_ENABLE_ASSERT_DEBUG_HANDLER

日期

2015

作者

Ryan Pavlik (incorporating some code modified from Boost) Sensics, Inc. http://sensics.com/osvr

宏定义说明

VRPN_ASSERT

#define VRPN_ASSERT

(

expr

)

assert(expr)

Asserts the truth of expr according to the configuration of vrpn_Assert.h at the time of inclusion. If not asserting, does not evaluate expression.

VRPN_ASSERT_MSG

#define VRPN_ASSERT_MSG	(		expr,
			msg )   assert((expr) && (msg))

Like VRPN_ASSERT(expr) but allows specification of a message to be included in the case of a failed assertion.

VRPN_CURRENT_FUNCTION

#define VRPN_CURRENT_FUNCTION   "(unknown)"

Expands to the special preprocessor macro providing a useful description of the current function, where available.

VRPN_VERIFY

#define VRPN_VERIFY

(

expr

)

VRPN_ASSERT(expr)

Typically forwards to VRPN_ASSERT, but in cases where VRPN_ASSERT would expand to nothing (not evaluating the expression), VRPN_VERIFY evaluates the expression but discards the result.

VRPN_VERIFY_MSG

#define VRPN_VERIFY_MSG	(		expr,
			msg )   VRPN_ASSERT_MSG(expr,msg)

Like VRPN_VERIFY(expr) but allows specification of a message to be included in the case of a failed assertion.