94 lines
3.8 KiB
C++
94 lines
3.8 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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The tests included in this file were initially taken from the mcpp V2.5
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preprocessor validation suite and were modified to fit into the Boost.Wave
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unit test requirements.
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The original files of the mcpp preprocessor are distributed under the
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license reproduced at the end of this file.
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=============================================================================*/
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// Tests whether rescanning of a macro replace any macro call in the replacement
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// text after substitution of parameters by pre-expanded-arguments. This
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// re-examination may involve the succeeding sequences from the source
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// file (what a queer thing!).
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// Note: The tests 27.4 and 27.5 are currently disabled because of Wave's
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// problem with replacement-list terminating in partial macro expansion.
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// 27.1: Cascaded use of object-like macros.
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//R #line 34 "t_5_030.cpp"
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#define NEST8 NEST7 + 8
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#define NEST7 NEST6 + 7
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#define NEST6 NEST5 + 6
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#define NEST5 NEST4 + 5
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#define NEST4 NEST3 + 4
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#define NEST3 NEST2 + 3
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#define NEST2 NEST1 + 2
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#define NEST1 1
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NEST8 //R 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8
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// 27.2: Cascaded use of function-like macros.
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//R #line 42 "t_5_030.cpp"
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#define FUNC4(a, b) FUNC3(a, b) + NEST4
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#define FUNC3(a, b) FUNC2(a, b) + NEST3
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#define FUNC2(a, b) FUNC1(a, b) + NEST2
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#define FUNC1(a, b) (a) + (b)
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FUNC4(NEST1, NEST2) //R (1) + ( 1 + 2) + 1 + 2 + 1 + 2 + 3 + 1 + 2 + 3 + 4
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// 27.3: An identifier generated by ## operator is subject to expansion.
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//R #line 48 "t_5_030.cpp"
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#define GLUE( a, b) a ## b
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#define MACRO_1 1
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GLUE(MACRO_, 1) //R 1
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// 27.4: 'SUB' as an argument of math() is not pre-expanded, since '('
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// missing.
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//R #line 55 "t_5_030.cpp"
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#define SUB(x, y) (x - y)
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#define MATH(op, a, b) op( (a), (b))
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MATH(SUB, a, b) //R ( ( a) - ( b))
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// 27.5: Queer thing.
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// R #line 28 "t_5_030.cpp"
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//#define HEAD SUB(
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// HEAD a,b ) // R
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// 27.6: Recursive macro.
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//R #line 66 "t_5_030.cpp"
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#define M N
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#define N(a) a
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M(m) //R m
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/*-
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* Copyright (c) 1998, 2002-2005 Kiyoshi Matsui <kmatsui@t3.rim.or.jp>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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