esysUtils/src/EsysAssert.h


/*******************************************************
*
* Copyright (c) 2003-2008 by University of Queensland
* Earth Systems Science Computational Center (ESSCC)
* http://www.uq.edu.au/esscc
*
* 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
  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	/*******************************************************
3	*
4	* Copyright (c) 2003-2008 by University of Queensland
5	* Earth Systems Science Computational Center (ESSCC)
6	* http://www.uq.edu.au/esscc
7	*
8	* Primary Business: Queensland, Australia
9	* Licensed under the Open Software License version 3.0
10	* http://www.opensource.org/licenses/osl-3.0.php
11	*
12	*******************************************************/
13
14
15	#if !defined escript_EsysAssert_20040330_H
16	#define escript_EsysAssert_20040330_H
17	#include "system_dep.h"
18	/**
19	\brief
20	EsysAssert is a MACRO that will throw an exception if the boolean
21	condition specified is false.
22
23	Description:
24	EsysAssert is conditionally compiled into code only when DOASSERT is
25	defined. When DOASSERT is not defined, the EsysAssert statement is
26	entirely removed from code.
27	*/
28
29	//
30	// Note that the ANSI C Standard requires all headers to be idempotent except
31	// <assert.h> which is explicitly required not to be idempotent (section 4.1.2).
32	// This version of EsysAssert follows this requirement, consequently this
33	// part of the header is intentionally outside the single pass guard.
34	//
35
36	#undef EsysAssert
37
38	#if defined DOASSERT
39
40	//
41	// DOASSERT is defined, replace EsysAssert with Exception throw
42	//
43
44	#include "EsysAssertException.h"
45	#include <sstream>
46
47	namespace esysUtils {
48
49	class ErrStream
50	{
51	public:
52	template <typename Tmpl>
53	ErrStream& operator<<(Tmpl t)
54	{
55	std::stringstream str;
56	str << t;
57	m_msg += str.str();
58
59	return *this;
60	}
61
62	inline
63	const std::string &toString() const
64	{
65	return m_msg;
66	}
67
68	private:
69	std::string m_msg;
70	};
71
72	inline
73	std::ostream& operator<<(std::ostream& oStream,
74	const ErrStream& errStream)
75	{
76	oStream << errStream.toString();
77	return oStream;
78	}
79
80	}
81
82	#define EsysAssert(AssertTest,AssertMessage) \
83	(void)((AssertTest) \|\| \
84	((esysUtils::EsysAssertException::assertFailure(#AssertTest, __DATE__, __FILE__, __LINE__, \
85	(esysUtils::ErrStream()<<AssertMessage).toString())),0),0)
86
87	#else
88
89	//
90	// DOASSERT os not defined, replace EsysAssert with "NO-OP"
91	//
92
93	#define EsysAssert(AssertTest,AssertMessage) ((void)0)
94
95	#endif
96
97	#endif
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