78 lines
3.0 KiB
C++
78 lines
3.0 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2014 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#ifndef POLY_ASSERT_H_
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#define POLY_ASSERT_H_
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#include <assert.h>
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#include <poly/config.h>
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#include <poly/platform.h>
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namespace poly {
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#define static_assert_size(type, size) \
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static_assert(sizeof(type) == size, \
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"bad definition for "## #type##": must be "## #size##" bytes")
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// We rely on assert being compiled out in NDEBUG.
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#define poly_assert assert
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#define __POLY_EXPAND(x) x
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#define __POLY_ARGC(...) \
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__POLY_EXPAND(__POLY_ARGC_IMPL(__VA_ARGS__, 15, 14, 13, 12, 11, 10, 9, 8, 7, \
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6, 5, 4, 3, 2, 1, 0))
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#define __POLY_ARGC_IMPL(x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, \
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x13, x14, x15, N, ...) \
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N
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#define __POLY_MACRO_DISPATCH(func, ...) \
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__POLY_MACRO_DISPATCH_(func, __POLY_ARGC(__VA_ARGS__))
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#define __POLY_MACRO_DISPATCH_(func, nargs) __POLY_MACRO_DISPATCH__(func, nargs)
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#define __POLY_MACRO_DISPATCH__(func, nargs) func##nargs
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#define assert_always(...) poly_assert(false)
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#define assert_true(...) \
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__POLY_MACRO_DISPATCH(assert_true, __VA_ARGS__)(__VA_ARGS__)
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#define assert_true1(expr) poly_assert(expr)
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#define assert_true2(expr, message) poly_assert((expr) || !message)
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#define assert_false(...) \
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__POLY_MACRO_DISPATCH(assert_false, __VA_ARGS__)(__VA_ARGS__)
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#define assert_false1(expr) poly_assert(!(expr))
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#define assert_false2(expr, message) poly_assert(!(expr) || !message)
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#define assert_zero(...) \
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__POLY_MACRO_DISPATCH(assert_zero, __VA_ARGS__)(__VA_ARGS__)
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#define assert_zero1(expr) poly_assert((expr) == 0)
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#define assert_zero2(expr, message) poly_assert((expr) == 0 || !message)
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#define assert_not_zero(...) \
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__POLY_MACRO_DISPATCH(assert_not_zero, __VA_ARGS__)(__VA_ARGS__)
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#define assert_not_zero1(expr) poly_assert((expr) != 0)
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#define assert_not_zero2(expr, message) poly_assert((expr) != 0 || !message)
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#define assert_null(...) \
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__POLY_MACRO_DISPATCH(assert_null, __VA_ARGS__)(__VA_ARGS__)
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#define assert_null1(expr) poly_assert((expr) == nullptr)
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#define assert_null2(expr, message) poly_assert((expr) == nullptr || !message)
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#define assert_not_null(...) \
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__POLY_MACRO_DISPATCH(assert_not_null, __VA_ARGS__)(__VA_ARGS__)
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#define assert_not_null1(expr) poly_assert((expr) != nullptr)
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#define assert_not_null2(expr, message) \
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poly_assert((expr) != nullptr || !message)
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#define assert_unhandled_case(variable) \
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assert_always("unhandled switch(" #variable ") case")
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} // namespace poly
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#endif // POLY_ASSERT_H_
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