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75 lines
4.4 KiB
C++
75 lines
4.4 KiB
C++
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/*
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* Created by Jozef on 12/11/2018.
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* Copyright 2017 Two Blue Cubes Ltd. All rights reserved.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef TWOBLUECUBES_CATCH_PREPROCESSOR_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_PREPROCESSOR_HPP_INCLUDED
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#define CATCH_RECURSION_LEVEL0(...) __VA_ARGS__
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#define CATCH_RECURSION_LEVEL1(...) CATCH_RECURSION_LEVEL0(CATCH_RECURSION_LEVEL0(CATCH_RECURSION_LEVEL0(__VA_ARGS__)))
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#define CATCH_RECURSION_LEVEL2(...) CATCH_RECURSION_LEVEL1(CATCH_RECURSION_LEVEL1(CATCH_RECURSION_LEVEL1(__VA_ARGS__)))
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#define CATCH_RECURSION_LEVEL3(...) CATCH_RECURSION_LEVEL2(CATCH_RECURSION_LEVEL2(CATCH_RECURSION_LEVEL2(__VA_ARGS__)))
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#define CATCH_RECURSION_LEVEL4(...) CATCH_RECURSION_LEVEL3(CATCH_RECURSION_LEVEL3(CATCH_RECURSION_LEVEL3(__VA_ARGS__)))
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#define CATCH_RECURSION_LEVEL5(...) CATCH_RECURSION_LEVEL4(CATCH_RECURSION_LEVEL4(CATCH_RECURSION_LEVEL4(__VA_ARGS__)))
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#ifdef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
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#define INTERNAL_CATCH_EXPAND_VARGS(...) __VA_ARGS__
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// MSVC needs more evaluations
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#define CATCH_RECURSION_LEVEL6(...) CATCH_RECURSION_LEVEL5(CATCH_RECURSION_LEVEL5(CATCH_RECURSION_LEVEL5(__VA_ARGS__)))
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#define CATCH_RECURSE(...) CATCH_RECURSION_LEVEL6(CATCH_RECURSION_LEVEL6(__VA_ARGS__))
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#else
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#define CATCH_RECURSE(...) CATCH_RECURSION_LEVEL5(__VA_ARGS__)
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#endif
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#define CATCH_REC_END(...)
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#define CATCH_REC_OUT
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#define CATCH_EMPTY()
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#define CATCH_DEFER(id) id CATCH_EMPTY()
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#define CATCH_REC_GET_END2() 0, CATCH_REC_END
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#define CATCH_REC_GET_END1(...) CATCH_REC_GET_END2
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#define CATCH_REC_GET_END(...) CATCH_REC_GET_END1
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#define CATCH_REC_NEXT0(test, next, ...) next CATCH_REC_OUT
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#define CATCH_REC_NEXT1(test, next) CATCH_DEFER ( CATCH_REC_NEXT0 ) ( test, next, 0)
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#define CATCH_REC_NEXT(test, next) CATCH_REC_NEXT1(CATCH_REC_GET_END test, next)
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#define CATCH_REC_LIST0(f, x, peek, ...) , f(x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1) ) ( f, peek, __VA_ARGS__ )
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#define CATCH_REC_LIST1(f, x, peek, ...) , f(x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST0) ) ( f, peek, __VA_ARGS__ )
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#define CATCH_REC_LIST2(f, x, peek, ...) f(x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1) ) ( f, peek, __VA_ARGS__ )
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#define CATCH_REC_LIST0_UD(f, userdata, x, peek, ...) , f(userdata, x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1_UD) ) ( f, userdata, peek, __VA_ARGS__ )
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#define CATCH_REC_LIST1_UD(f, userdata, x, peek, ...) , f(userdata, x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST0_UD) ) ( f, userdata, peek, __VA_ARGS__ )
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#define CATCH_REC_LIST2_UD(f, userdata, x, peek, ...) f(userdata, x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1_UD) ) ( f, userdata, peek, __VA_ARGS__ )
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// Applies the function macro `f` to each of the remaining parameters, inserts commas between the results,
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// and passes userdata as the first parameter to each invocation,
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// e.g. CATCH_REC_LIST_UD(f, x, a, b, c) evaluates to f(x, a), f(x, b), f(x, c)
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#define CATCH_REC_LIST_UD(f, userdata, ...) CATCH_RECURSE(CATCH_REC_LIST2_UD(f, userdata, __VA_ARGS__, ()()(), ()()(), ()()(), 0))
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#define CATCH_REC_LIST(f, ...) CATCH_RECURSE(CATCH_REC_LIST2(f, __VA_ARGS__, ()()(), ()()(), ()()(), 0))
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#define INTERNAL_CATCH_EXPAND1(param) INTERNAL_CATCH_EXPAND2(param)
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#define INTERNAL_CATCH_EXPAND2(...) INTERNAL_CATCH_NO## __VA_ARGS__
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#define INTERNAL_CATCH_DEF(...) INTERNAL_CATCH_DEF __VA_ARGS__
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#define INTERNAL_CATCH_NOINTERNAL_CATCH_DEF
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#define INTERNAL_CATCH_REMOVE_PARENS(...) INTERNAL_CATCH_EXPAND1(INTERNAL_CATCH_DEF __VA_ARGS__)
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#define INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME2(Name, ...) INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME3(Name, __VA_ARGS__)
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#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
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#define INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME3(Name,...) Name " - " #__VA_ARGS__
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#define INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME(Name,...) INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME2(Name, INTERNAL_CATCH_REMOVE_PARENS(__VA_ARGS__))
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#else
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// MSVC is adding extra space and needs more calls to properly remove ()
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#define INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME3(Name,...) Name " -" #__VA_ARGS__
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#define INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME1(Name, ...) INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME2(Name, __VA_ARGS__)
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#define INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME(Name, ...) INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME1(Name, INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_REMOVE_PARENS(__VA_ARGS__)))
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#endif
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#endif // TWOBLUECUBES_CATCH_PREPROCESSOR_HPP_INCLUDED
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