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57 lines
2.1 KiB
C++
57 lines
2.1 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 <cstdio>
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#include <cstdlib>
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#include "common/common_funcs.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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__declspec(noinline, noreturn)
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#elif defined(__GNUC__)
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__attribute__((noinline, noreturn, cold))
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#endif
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static void 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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// TODO (yuriks) allow synchronous logging so we don't need printf
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#define ASSERT(_a_) \
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do if (!(_a_)) { assert_noinline_call([] { \
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fprintf(stderr, "Assertion Failed!\n\n Line: %d\n File: %s\n Time: %s\n", \
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__LINE__, __FILE__, __TIME__); \
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}); } while (0)
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#define ASSERT_MSG(_a_, ...) \
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do if (!(_a_)) { assert_noinline_call([&] { \
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fprintf(stderr, "Assertion Failed!\n\n Line: %d\n File: %s\n Time: %s\n", \
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__LINE__, __FILE__, __TIME__); \
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fprintf(stderr, __VA_ARGS__); \
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fprintf(stderr, "\n"); \
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}); } while (0)
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#define UNREACHABLE() ASSERT_MSG(false, "Unreachable code!")
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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() DEBUG_ASSERT_MSG(false, "Unimplemented code!")
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