macros.H
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1 /*---------------------------------------------------------------------------*\
2  ========= |
3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration |
5  \\ / A nd | www.openfoam.com
6  \\/ M anipulation |
7 -------------------------------------------------------------------------------
8  Copyright (C) 2016 OpenFOAM Foundation
9  Copyright (C) 2018 OpenCFD Ltd.
10 -------------------------------------------------------------------------------
11 License
12  This file is part of OpenFOAM.
13 
14  OpenFOAM is free software: you can redistribute it and/or modify it
15  under the terms of the GNU General Public License as published by
16  the Free Software Foundation, either version 3 of the License, or
17  (at your option) any later version.
18 
19  OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
20  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
21  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
22  for more details.
23 
24  You should have received a copy of the GNU General Public License
25  along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
26 
27 Description
28  General C-preprocessor macros
29 
30 \*---------------------------------------------------------------------------*/
31 
32 #ifndef macros_H
33 #define macros_H
34 
35 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
36 
37 //- Concatenate two preprocessor tokens
38 #define CAT_(a, b) a ## b
39 #define CAT(a, b) CAT_(a, b)
40 
41 //- Concatenate three preprocessor tokens
42 #define CAT3_(a, b, c) a ## b ## c
43 #define CAT3(a, b, c) CAT3_(a, b, c)
44 
45 //- Concatenate four preprocessor tokens
46 #define CAT4_(a, b, c, d) a ## b ## c ## d
47 #define CAT4(a, b, c, d) CAT4_(a, b, c, d)
48 
49 //- Concatenate five preprocessor tokens
50 #define CAT5_(a, b, c, d, e) a ## b ## c ## d ## e
51 #define CAT5(a, b, c, d, e) CAT5_(a, b, c, d, e)
52 
53 //- Generate an identifier unique within the file in which it is generated
54 #define FILE_UNIQUE(x) CAT(x, __LINE__)
55 
56 //- Map 'name' to 'Name' via the predefined macro CAPITALIZE_name
57 #define CAPITALIZE(name) CAPITALIZE_##name
58 
59 //- Helper macro for STRING_QUOTE
60 #define STRINGIFY(content) #content
61 
62 //- Macro to stringify macro contents
63 #define STRING_QUOTE(input) STRINGIFY(input)
64 
65 
66 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
67 
68 #endif
69 
70 // ************************************************************************* //