esysUtils/src/EsysAssert.h

/* 
 ******************************************************************************
 *                                                                            *
 *       COPYRIGHT  ACcESS 2004 -  All Rights Reserved                        *
 *                                                                            *
 * This software is the property of ACcESS. No part of this code              *
 * may be copied in any form or by any means without the expressed written    *
 * consent of ACcESS.  Copying, use or modification of this software          *
 * by any unauthorised person is illegal unless that person has a software    *
 * license agreement with ACcESS.                                             *
 *                                                                            *
 ******************************************************************************
*/
                                                                           
#if !defined  escript_EsysAssert_20040330_H
#define escript_EsysAssert_20040330_H

/**
   \brief
   EsysAssert is a MACRO that will throw an exception if the boolean
   condition 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;
    }
    
    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 ACcESS 2004 - All Rights Reserved *
5	* *
6	* This software is the property of ACcESS. No part of this code *
7	* may be copied in any form or by any means without the expressed written *
8	* consent of ACcESS. Copying, use or modification of this software *
9	* by any unauthorised person is illegal unless that person has a software *
10	* license agreement with ACcESS. *
11	* *
12	******************************************************************************
13	*/
14
15	#if !defined escript_EsysAssert_20040330_H
16	#define escript_EsysAssert_20040330_H
17
18	/**
19	\brief
20	EsysAssert is a MACRO that will throw an exception if the boolean
21	condition 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
32	// (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	// DOASSERT is defined, replace EsysAssert with Exception throw
42	//
43	#include "EsysAssertException.h"
44	#include <sstream>
45
46	namespace esysUtils {
47
48	class ErrStream
49	{
50	public:
51	template <typename Tmpl>
52	ErrStream& operator<<(Tmpl t)
53	{
54	std::stringstream str;
55	str << t;
56	m_msg += str.str();
57
58	return *this;
59	}
60
61	const std::string &toString() const
62	{
63	return m_msg;
64	}
65
66	private:
67	std::string m_msg;
68	};
69
70	inline std::ostream& operator<<(std::ostream& oStream, const ErrStream& errStream)
71	{
72	oStream << errStream.toString();
73	return oStream;
74	}
75
76	}
77
78	#define EsysAssert(AssertTest,AssertMessage) \
79	(void)((AssertTest) \|\| ((esysUtils::EsysAssertException::assertFailure(#AssertTest, __DATE__, \
80	__FILE__, __LINE__, \
81	(esysUtils::ErrStream()<<AssertMessage).toString())),0),0)
82
83	#else
84	//
85	// DOASSERT os not defined, replace EsysAssert with "NO-OP"
86	//
87	#define EsysAssert(AssertTest,AssertMessage) ((void)0)
88
89	#endif
90
91	#endif
92
93
94
95
96
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