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80 lines
4.2 KiB
C++
80 lines
4.2 KiB
C++
// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <cstdlib>
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#include "common/common_funcs.h"
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#include "common/logging/log.h"
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// For asserts we'd like to keep all the junk executed when an assert happens away from the
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// important code in the function. One way of doing this is to put all the relevant code inside a
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// lambda and force the compiler to not inline it. Unfortunately, MSVC seems to have no syntax to
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// specify __declspec on lambda functions, so what we do instead is define a noinline wrapper
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// template that calls the lambda. This seems to generate an extra instruction at the call-site
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// compared to the ideal implementation (which wouldn't support ASSERT_MSG parameters), but is good
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// enough for our purposes.
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template <typename Fn>
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#if defined(_MSC_VER)
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[[msvc::noinline, noreturn]]
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#elif defined(__GNUC__)
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[[gnu::cold, gnu::noinline, noreturn]]
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#endif
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static void
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assert_noinline_call(const Fn& fn) {
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fn();
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Crash();
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exit(1); // Keeps GCC's mouth shut about this actually returning
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}
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#define ASSERT(_a_) \
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do \
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if (!(_a_)) { \
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assert_noinline_call([] { LOG_CRITICAL(Debug, "Assertion Failed!"); }); \
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} \
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while (0)
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#define ASSERT_MSG(_a_, ...) \
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do \
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if (!(_a_)) { \
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assert_noinline_call([&] { LOG_CRITICAL(Debug, "Assertion Failed!\n" __VA_ARGS__); }); \
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} \
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while (0)
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#define UNREACHABLE() assert_noinline_call([] { LOG_CRITICAL(Debug, "Unreachable code!"); })
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#define UNREACHABLE_MSG(...) \
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assert_noinline_call([&] { LOG_CRITICAL(Debug, "Unreachable code!\n" __VA_ARGS__); })
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#ifdef _DEBUG
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#define DEBUG_ASSERT(_a_) ASSERT(_a_)
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#define DEBUG_ASSERT_MSG(_a_, ...) ASSERT_MSG(_a_, __VA_ARGS__)
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#else // not debug
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#define DEBUG_ASSERT(_a_)
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#define DEBUG_ASSERT_MSG(_a_, _desc_, ...)
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#endif
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#define UNIMPLEMENTED() ASSERT_MSG(false, "Unimplemented code!")
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#define UNIMPLEMENTED_MSG(...) ASSERT_MSG(false, __VA_ARGS__)
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#define UNIMPLEMENTED_IF(cond) ASSERT_MSG(!(cond), "Unimplemented code!")
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#define UNIMPLEMENTED_IF_MSG(cond, ...) ASSERT_MSG(!(cond), __VA_ARGS__)
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// If the assert is ignored, execute _b_
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#define ASSERT_OR_EXECUTE(_a_, _b_) \
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do { \
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ASSERT(_a_); \
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if (!(_a_)) { \
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_b_ \
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} \
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} while (0)
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// If the assert is ignored, execute _b_
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#define ASSERT_OR_EXECUTE_MSG(_a_, _b_, ...) \
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do { \
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ASSERT_MSG(_a_, __VA_ARGS__); \
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if (!(_a_)) { \
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_b_ \
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} \
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} while (0)
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