esysUtils/src/EsysAssert.h


/* $Id$ */

/*******************************************************
 *
 *           Copyright 2003-2007 by ACceSS MNRF
 *       Copyright 2007 by University of Queensland
 *
 *                http://esscc.uq.edu.au
 *        Primary Business: Queensland, Australia
 *  Licensed under the Open Software License version 3.0
 *     http://www.opensource.org/licenses/osl-3.0.php
 *
 *******************************************************/

#if !defined escript_EsysAssert_20040330_H
#define escript_EsysAssert_20040330_H
#include "system_dep.h"
/**
   \brief
   EsysAssert is a MACRO that will throw an exception if the boolean
   condition specified is false.

   Description:
   EsysAssert is conditionally compiled into code only when DOASSERT is
   defined.  When DOASSERT is not defined, the EsysAssert statement is
   entirely removed from code.
*/

//
// Note that the ANSI C Standard requires all headers to be idempotent except
// <assert.h> which is explicitly required not to be idempotent (section 4.1.2).
// This version of EsysAssert follows this requirement, consequently this
// part of the header is intentionally outside the single pass guard.
//

#undef EsysAssert

#if defined DOASSERT

//
// DOASSERT is defined, replace EsysAssert with Exception throw
//

#include "EsysAssertException.h"
#include <sstream>

namespace esysUtils {

  class ErrStream
  {
    public:
    template <typename Tmpl>
    ErrStream& operator<<(Tmpl t)
    {
      std::stringstream str;
      str << t;
      m_msg += str.str();
      
      return *this;
    }
    
    inline
    const std::string &toString() const
    {
      return m_msg;
    }

    private:
      std::string m_msg;
  };

  inline
  inline std::ostream& operator<<(std::ostream& oStream,
                                  const ErrStream& errStream)
  {
    oStream << errStream.toString();
    return oStream;
  }

}

#define EsysAssert(AssertTest,AssertMessage) \
   (void)((AssertTest) || \
           ((esysUtils::EsysAssertException::assertFailure(#AssertTest, __DATE__, __FILE__, __LINE__, \
             (esysUtils::ErrStream()<<AssertMessage).toString())),0),0)

#else

//
// DOASSERT os not defined, replace EsysAssert with "NO-OP"
//

#define EsysAssert(AssertTest,AssertMessage) ((void)0)

#endif

#endif
1
2	/* $Id$ */
3
4	/*******************************************************
5	*
6	* Copyright 2003-2007 by ACceSS MNRF
7	* Copyright 2007 by University of Queensland
8	*
9	* http://esscc.uq.edu.au
10	* Primary Business: Queensland, Australia
11	* Licensed under the Open Software License version 3.0
12	* http://www.opensource.org/licenses/osl-3.0.php
13	*
14	*******************************************************/
15
16	#if !defined escript_EsysAssert_20040330_H
17	#define escript_EsysAssert_20040330_H
18	#include "system_dep.h"
19	/**
20	\brief
21	EsysAssert is a MACRO that will throw an exception if the boolean
22	condition specified is false.
23
24	Description:
25	EsysAssert is conditionally compiled into code only when DOASSERT is
26	defined. When DOASSERT is not defined, the EsysAssert statement is
27	entirely removed from code.
28	*/
29
30	//
31	// Note that the ANSI C Standard requires all headers to be idempotent except
32	// <assert.h> which is explicitly required not to be idempotent (section 4.1.2).
33	// This version of EsysAssert follows this requirement, consequently this
34	// part of the header is intentionally outside the single pass guard.
35	//
36
37	#undef EsysAssert
38
39	#if defined DOASSERT
40
41	//
42	// DOASSERT is defined, replace EsysAssert with Exception throw
43	//
44
45	#include "EsysAssertException.h"
46	#include <sstream>
47
48	namespace esysUtils {
49
50	class ErrStream
51	{
52	public:
53	template <typename Tmpl>
54	ErrStream& operator<<(Tmpl t)
55	{
56	std::stringstream str;
57	str << t;
58	m_msg += str.str();
59
60	return *this;
61	}
62
63	inline
64	const std::string &toString() const
65	{
66	return m_msg;
67	}
68
69	private:
70	std::string m_msg;
71	};
72
73	inline
74	inline std::ostream& operator<<(std::ostream& oStream,
75	const ErrStream& errStream)
76	{
77	oStream << errStream.toString();
78	return oStream;
79	}
80
81	}
82
83	#define EsysAssert(AssertTest,AssertMessage) \
84	(void)((AssertTest) \|\| \
85	((esysUtils::EsysAssertException::assertFailure(#AssertTest, __DATE__, __FILE__, __LINE__, \
86	(esysUtils::ErrStream()<<AssertMessage).toString())),0),0)
87
88	#else
89
90	//
91	// DOASSERT os not defined, replace EsysAssert with "NO-OP"
92	//
93
94	#define EsysAssert(AssertTest,AssertMessage) ((void)0)
95
96	#endif
97
98	#endif
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