[deliverable/titan.core.git] / common / static_check.h

/******************************************************************************
 * Copyright (c) 2000-2016 Ericsson Telecom AB
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Balasko, Jeno
 *   Raduly, Csaba
 *
 ******************************************************************************/
#ifndef STATIC_CHECK_HH
#define STATIC_CHECK_HH

#ifdef __cplusplus

template<bool> struct CompileTimeError;
template<>     struct CompileTimeError<true> {}; // false never defined

#define STATIC_ASSERT(expr) CompileTimeError<(expr) != 0>()

#else

#define STATIC_ASSERT(x) do { enum { assert_static_ = 1/(x) }; } while(0)

#endif

#define ENSURE_EQUAL(x, y) STATIC_ASSERT((int)(x) == (int)(y));

#endif
Commit	Line	Data
d44e3c4f	1	/******************************************************************************
	2	* Copyright (c) 2000-2016 Ericsson Telecom AB
	3	* All rights reserved. This program and the accompanying materials
	4	* are made available under the terms of the Eclipse Public License v1.0
	5	* which accompanies this distribution, and is available at
	6	* http://www.eclipse.org/legal/epl-v10.html
	7	*
	8	* Contributors:
	9	* Balasko, Jeno
	10	* Raduly, Csaba
	11	*
	12	******************************************************************************/
970ed795 EL	13	#ifndef STATIC_CHECK_HH
	14	#define STATIC_CHECK_HH
	15
	16	#ifdef __cplusplus
	17
	18	template<bool> struct CompileTimeError;
	19	template<> struct CompileTimeError<true> {}; // false never defined
	20
	21	#define STATIC_ASSERT(expr) CompileTimeError<(expr) != 0>()
	22
	23	#else
	24
	25	#define STATIC_ASSERT(x) do { enum { assert_static_ = 1/(x) }; } while(0)
	26
	27	#endif
	28
	29	#define ENSURE_EQUAL(x, y) STATIC_ASSERT((int)(x) == (int)(y));
	30
	31	#endif