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Common: Add ASSUME() and use for UnreachableCode()

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Stenzek
2023-09-03 14:42:37 +10:00
parent 80e3d29ab8
commit c0af478dfd
3 changed files with 20 additions and 5 deletions
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12
src/common/assert.h
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@ -1,10 +1,12 @@
// SPDX-FileCopyrightText: 2019-2022 Connor McLaughlin <stenzek@gmail.com>
// SPDX-FileCopyrightText: 2019-2023 Connor McLaughlin <stenzek@gmail.com>
// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
#pragma once
#include "types.h"
void Y_OnAssertFailed(const char* szMessage, const char* szFunction, const char* szFile, unsigned uLine);
void Y_OnPanicReached(const char* szMessage, const char* szFunction, const char* szFile, unsigned uLine);
[[noreturn]] void Y_OnPanicReached(const char* szMessage, const char* szFunction, const char* szFile, unsigned uLine);
#define Assert(expr) \
if (!(expr)) \
@ -28,11 +30,9 @@ void Y_OnPanicReached(const char* szMessage, const char* szFunction, const char*
{ \
Y_OnAssertFailed("Debug assertion failed: '" msg "'", __FUNCTION__, __FILE__, __LINE__); \
}
#define DebugUnreachableCode() Y_OnPanicReached("Unreachable code reached", __FUNCTION__, __FILE__, __LINE__)
#else
#define DebugAssert(expr)
#define DebugAssertMsg(expr, msg)
#define DebugUnreachableCode()
#endif
// Panics the application, displaying an error message.
@ -41,8 +41,12 @@ void Y_OnPanicReached(const char* szMessage, const char* szFunction, const char*
// Kills the application, indicating a pure function call that should not have happened.
#define PureCall() Y_OnPanicReached("PureCall encountered", __FUNCTION__, __FILE__, __LINE__)
#ifdef _DEBUG
// Kills the application, indicating that code that was never supposed to be reached has been executed.
#define UnreachableCode() Y_OnPanicReached("Unreachable code reached", __FUNCTION__, __FILE__, __LINE__)
#else
#define UnreachableCode() ASSUME(false)
#endif
// Helper for switch cases.
#define DefaultCaseIsUnreachable() \