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41 lines
1.6 KiB
C++
41 lines
1.6 KiB
C++
// File: lzham_assert.h
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// See Copyright Notice and license at the end of include/lzham.h
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#pragma once
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const unsigned int LZHAM_FAIL_EXCEPTION_CODE = 256U;
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void lzham_enable_fail_exceptions(bool enabled);
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void lzham_assert(const char* pExp, const char* pFile, unsigned line);
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void lzham_fail(const char* pExp, const char* pFile, unsigned line);
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#ifdef NDEBUG
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#define LZHAM_ASSERT(x) ((void)0)
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#else
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#define LZHAM_ASSERT(_exp) (void)( (!!(_exp)) || (lzham_assert(#_exp, __FILE__, __LINE__), 0) )
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#define LZHAM_ASSERTS_ENABLED 1
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#endif
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#define LZHAM_VERIFY(_exp) (void)( (!!(_exp)) || (lzham_assert(#_exp, __FILE__, __LINE__), 0) )
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#define LZHAM_FAIL(msg) do { lzham_fail(#msg, __FILE__, __LINE__); } while(0)
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#define LZHAM_ASSERT_OPEN_RANGE(x, l, h) LZHAM_ASSERT((x >= l) && (x < h))
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#define LZHAM_ASSERT_CLOSED_RANGE(x, l, h) LZHAM_ASSERT((x >= l) && (x <= h))
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void lzham_trace(const char* pFmt, va_list args);
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void lzham_trace(const char* pFmt, ...);
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// Borrowed from boost libraries.
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template <bool x> struct assume_failure;
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template <> struct assume_failure<true> { enum { blah = 1 }; };
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template<int x> struct assume_try { };
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#define LZHAM_JOINER_FINAL(a, b) a##b
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#define LZHAM_JOINER(a, b) LZHAM_JOINER_FINAL(a, b)
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#define LZHAM_JOIN(a, b) LZHAM_JOINER(a, b)
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#if defined(__GNUC__)
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#define LZHAM_ASSUME(p) typedef assume_try < sizeof(assume_failure< (bool)(p) > ) > LZHAM_JOIN(assume_typedef, __COUNTER__) __attribute__((unused))
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#else
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#define LZHAM_ASSUME(p) typedef assume_try < sizeof(assume_failure< (bool)(p) > ) > LZHAM_JOIN(assume_typedef, __COUNTER__)
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#endif
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