/[escript]/trunk/esysUtils/src/EsysAssert.h
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Contents of /trunk/esysUtils/src/EsysAssert.h

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Revision 1387 - (show annotations)
Fri Jan 11 07:45:26 2008 UTC (11 years, 8 months ago) by trankine
Original Path: temp/esysUtils/src/EsysAssert.h
File MIME type: text/plain
File size: 2234 byte(s)
Restore the trunk that existed before the windows changes were committed to the (now moved to branches) old trunk.
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 const std::string &toString() const
64 {
65 return m_msg;
66 }
67
68 private:
69 std::string m_msg;
70 };
71
72 inline std::ostream& operator<<(std::ostream& oStream, const ErrStream& errStream)
73 {
74 oStream << errStream.toString();
75 return oStream;
76 }
77
78 }
79
80 #define EsysAssert(AssertTest,AssertMessage) \
81 (void)((AssertTest) || \
82 ((esysUtils::EsysAssertException::assertFailure(#AssertTest, __DATE__, __FILE__, __LINE__, \
83 (esysUtils::ErrStream()<<AssertMessage).toString())),0),0)
84
85 #else
86
87 //
88 // DOASSERT os not defined, replace EsysAssert with "NO-OP"
89 //
90
91 #define EsysAssert(AssertTest,AssertMessage) ((void)0)
92
93 #endif
94
95 #endif

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