1 /*============================================================================= 2 Boost.Wave: A Standard compliant C++ preprocessor library 3 http://www.boost.org/ 4 5 Copyright (c) 2001-2012 Hartmut Kaiser. Distributed under the Boost 6 Software License, Version 1.0. (See accompanying file 7 LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 8 =============================================================================*/ 9 10 // Tests macro expansion order in conjunction with the need to skip expansion 11 // of the same macro as it is currently expanded. 12 13 #define CONCAT(a, b) a ## b 14 #define CONCAT_INDIRECT() CONCAT 15 16 //R #line 18 "t_1_003.cpp" 17 //R CONCAT(1, 2) 18 CONCAT(CON, CAT)(1, 2) 19 //R #line 21 "t_1_003.cpp" 20 //R CONCAT(1, 2) 21 CONCAT(CON, CAT(1, 2)) 22 //R #line 24 "t_1_003.cpp" 23 //R 12 24 CONCAT(CONCAT_, INDIRECT)()(1, 2) 25 //R #line 27 "t_1_003.cpp" 26 //R CONCAT(1, 2) 27 CONCAT(CONCAT_, INDIRECT())(1, 2) 28 29 //R #line 31 "t_1_003.cpp" 30 //R 1 CONCAT(2, 3) 31 CONCAT(1, CONCAT(2, 3)) 32 33 //H 10: t_1_003.cpp(13): #define 34 //H 08: t_1_003.cpp(13): CONCAT(a, b)=a ## b 35 //H 10: t_1_003.cpp(14): #define 36 //H 08: t_1_003.cpp(14): CONCAT_INDIRECT()=CONCAT 37 //H 00: t_1_003.cpp(18): CONCAT(CON, CAT), [t_1_003.cpp(13): CONCAT(a, b)=a ## b] 38 //H 02: CONCAT 39 //H 03: CONCAT 40 //H 00: t_1_003.cpp(21): CONCAT(CON, CAT(1, 2)), [t_1_003.cpp(13): CONCAT(a, b)=a ## b] 41 //H 02: CONCAT(1, 2) 42 //H 03: CONCAT(1, 2) 43 //H 00: t_1_003.cpp(24): CONCAT(CONCAT_, INDIRECT), [t_1_003.cpp(13): CONCAT(a, b)=a ## b] 44 //H 02: CONCAT_INDIRECT 45 //H 03: CONCAT_INDIRECT 46 //H 00: t_1_003.cpp(24): CONCAT_INDIRECT(), [t_1_003.cpp(14): CONCAT_INDIRECT()=CONCAT] 47 //H 02: CONCAT 48 //H 03: CONCAT 49 //H 00: t_1_003.cpp(14): CONCAT(1, 2), [t_1_003.cpp(13): CONCAT(a, b)=a ## b] 50 //H 02: 12 51 //H 03: 12 52 //H 00: t_1_003.cpp(27): CONCAT(CONCAT_, INDIRECT()), [t_1_003.cpp(13): CONCAT(a, b)=a ## b] 53 //H 02: CONCAT_INDIRECT() 54 //H 00: t_1_003.cpp(27): CONCAT_INDIRECT(), [t_1_003.cpp(14): CONCAT_INDIRECT()=CONCAT] 55 //H 02: CONCAT 56 //H 03: CONCAT 57 //H 03: CONCAT 58 //H 00: t_1_003.cpp(31): CONCAT(1, CONCAT(2, 3)), [t_1_003.cpp(13): CONCAT(a, b)=a ## b] 59 //H 02: 1CONCAT(2, 3) 60 //H 03: 1CONCAT(2, 3) 61