34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
/*=============================================================================
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Boost.Wave: A Standard compliant C++ preprocessor library
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http://www.boost.org/
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Copyright (c) 2001-2012 Hartmut Kaiser. Distributed under the Boost
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Software License, Version 1.0. (See accompanying file
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LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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// Tests, whether an empty macro prevents another macro from expansion
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#define EMPTY()
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#define SCAN(x) x
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#define MACRO(x) (x)
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//R #line 17 "t_1_030.cpp"
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SCAN( MACRO EMPTY() )(1) //R (1)
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//H 10: t_1_030.cpp(12): #define
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//H 08: t_1_030.cpp(12): EMPTY()=
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//H 10: t_1_030.cpp(13): #define
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//H 08: t_1_030.cpp(13): SCAN(x)=x
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//H 10: t_1_030.cpp(14): #define
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//H 08: t_1_030.cpp(14): MACRO(x)=(x)
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//H 00: t_1_030.cpp(17): SCAN( MACRO EMPTY() ), [t_1_030.cpp(13): SCAN(x)=x]
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//H 00: t_1_030.cpp(17): EMPTY(), [t_1_030.cpp(12): EMPTY()=]
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//H 02:
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//H 03: _
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//H 02: MACRO
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//H 03: MACRO
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//H 00: t_1_030.cpp(17): MACRO(1), [t_1_030.cpp(14): MACRO(x)=(x)]
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//H 02: (1)
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//H 03: (1)
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