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 //O --variadics 11 12 // Tests macro expansion order in conjunction with the need to skip expansion 13 // of the same macro as it is currently expanded. 14 15 #define CONCAT(a, b) a ## b 16 #define CONCAT_INDIRECT() CONCAT 17 18 //R #line 20 "t_1_004.cpp" 19 //R CONCAT(1, 2) 20 CONCAT(CON, CAT)(1, 2) 21 //R #line 23 "t_1_004.cpp" 22 //R CONCAT(1, 2) 23 CONCAT(CON, CAT(1, 2)) 24 //R #line 26 "t_1_004.cpp" 25 //R 12 26 CONCAT(CONCAT_, INDIRECT)()(1, 2) 27 //R #line 29 "t_1_004.cpp" 28 //R CONCAT(1, 2) 29 CONCAT(CONCAT_, INDIRECT())(1, 2) 30 //R #line 32 "t_1_004.cpp" 31 //R 1 CONCAT(2, 3) 32 CONCAT(1, CONCAT(2, 3)) 33 34 //H 10: t_1_004.cpp(15): #define 35 //H 08: t_1_004.cpp(15): CONCAT(a, b)=a ## b 36 //H 10: t_1_004.cpp(16): #define 37 //H 08: t_1_004.cpp(16): CONCAT_INDIRECT()=CONCAT 38 //H 00: t_1_004.cpp(20): CONCAT(CON, CAT), [t_1_004.cpp(15): CONCAT(a, b)=a ## b] 39 //H 02: CONCAT 40 //H 03: CONCAT 41 //H 00: t_1_004.cpp(23): CONCAT(CON, CAT(1, 2)), [t_1_004.cpp(15): CONCAT(a, b)=a ## b] 42 //H 02: CONCAT(1, 2) 43 //H 03: CONCAT(1, 2) 44 //H 00: t_1_004.cpp(26): CONCAT(CONCAT_, INDIRECT), [t_1_004.cpp(15): CONCAT(a, b)=a ## b] 45 //H 02: CONCAT_INDIRECT 46 //H 03: CONCAT_INDIRECT 47 //H 00: t_1_004.cpp(26): CONCAT_INDIRECT(), [t_1_004.cpp(16): CONCAT_INDIRECT()=CONCAT] 48 //H 02: CONCAT 49 //H 03: CONCAT 50 //H 00: t_1_004.cpp(16): CONCAT(1, 2), [t_1_004.cpp(15): CONCAT(a, b)=a ## b] 51 //H 02: 12 52 //H 03: 12 53 //H 00: t_1_004.cpp(29): CONCAT(CONCAT_, INDIRECT()), [t_1_004.cpp(15): CONCAT(a, b)=a ## b] 54 //H 02: CONCAT_INDIRECT() 55 //H 00: t_1_004.cpp(29): CONCAT_INDIRECT(), [t_1_004.cpp(16): CONCAT_INDIRECT()=CONCAT] 56 //H 02: CONCAT 57 //H 03: CONCAT 58 //H 03: CONCAT 59 //H 00: t_1_004.cpp(32): CONCAT(1, CONCAT(2, 3)), [t_1_004.cpp(15): CONCAT(a, b)=a ## b] 60 //H 02: 1CONCAT(2, 3) 61 //H 03: 1CONCAT(2, 3) 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89