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

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Revision 1312 - (hide annotations)
Mon Sep 24 06:18:44 2007 UTC (11 years, 11 months ago) by ksteube
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File size: 2234 byte(s)
The MPI branch is hereby closed. All future work should be in trunk.

Previously in revision 1295 I merged the latest changes to trunk into trunk-mpi-branch.
In this revision I copied all files from trunk-mpi-branch over the corresponding
trunk files. I did not use 'svn merge', it was a copy.

1 ksteube 1312
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 jgs 102 #if !defined escript_EsysAssert_20040330_H
17 jgs 82 #define escript_EsysAssert_20040330_H
18 woo409 757 #include "system_dep.h"
19 jgs 82 /**
20     \brief
21     EsysAssert is a MACRO that will throw an exception if the boolean
22 jgs 102 condition specified is false.
23 jgs 82
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 jgs 102 // <assert.h> which is explicitly required not to be idempotent (section 4.1.2).
33 jgs 82 // This version of EsysAssert follows this requirement, consequently this
34 jgs 102 // part of the header is intentionally outside the single pass guard.
35 jgs 82 //
36    
37 jgs 468 #undef EsysAssert
38 jgs 82
39     #if defined DOASSERT
40 jgs 102
41 jgs 82 //
42     // DOASSERT is defined, replace EsysAssert with Exception throw
43     //
44 jgs 102
45 jgs 82 #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 jgs 102 (void)((AssertTest) || \
82     ((esysUtils::EsysAssertException::assertFailure(#AssertTest, __DATE__, __FILE__, __LINE__, \
83     (esysUtils::ErrStream()<<AssertMessage).toString())),0),0)
84 jgs 82
85     #else
86 jgs 102
87 jgs 82 //
88     // DOASSERT os not defined, replace EsysAssert with "NO-OP"
89     //
90 jgs 102
91 jgs 82 #define EsysAssert(AssertTest,AssertMessage) ((void)0)
92    
93     #endif
94    
95     #endif

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