File: t_1_003.cpp

package info (click to toggle)
boost 1.33.1-10
  • links: PTS
  • area: main
  • in suites: etch, etch-m68k
  • size: 100,948 kB
  • ctags: 145,103
  • sloc: cpp: 573,492; xml: 49,055; python: 15,626; ansic: 13,588; sh: 2,099; yacc: 858; makefile: 660; perl: 427; lex: 111; csh: 6
file content (29 lines) | stat: -rw-r--r-- 1,066 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
/*=============================================================================
    Boost.Wave: A Standard compliant C++ preprocessor library
    http://www.boost.org/

    Copyright (c) 2001-2005 Hartmut Kaiser. Distributed under the Boost
    Software License, Version 1.0. (See accompanying file
    LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/

// Tests macro expansion order in conjunction with the need to skip expansion 
// of the same macro as it is currently expanded.

#define CONCAT(a, b) a ## b
#define CONCAT_INDIRECT() CONCAT

//R #line 18 "t_1_003.cpp"
//R CONCAT(1, 2)
CONCAT(CON, CAT)(1, 2)
//R #line 21 "t_1_003.cpp"
//R CONCAT(1, 2)
CONCAT(CON, CAT(1, 2))
//R #line 24 "t_1_003.cpp"
//R 12
CONCAT(CONCAT_, INDIRECT)()(1, 2)
//R #line 27 "t_1_003.cpp"
//R CONCAT(1, 2)
CONCAT(CONCAT_, INDIRECT())(1, 2)
//E t_1_003.cpp(29): error: pasting the following two tokens does not give a valid preprocessing token: "1" and "CONCAT"
CONCAT(1, CONCAT(2, 3))