First Commit

common/Assertions.h

@@ -0,0 +1,51 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include "common/Pcsx2Defs.h"
+
+#ifndef __pxFUNCTION__
+#if defined(__GNUG__)
+#define __pxFUNCTION__ __PRETTY_FUNCTION__
+#else
+#define __pxFUNCTION__ __FUNCTION__
+#endif
+#endif
+
+// pxAssertRel - assertion check even in Release builds.
+// pxFailRel - aborts program even in Release builds.
+// 
+// pxAssert[Msg] - assertion check only in Debug/Devel builds, noop in Release.
+// pxAssume[Msg] - assertion check in Debug/Devel builds, optimization hint in Release builds.
+// pxFail - aborts program only in Debug/Devel builds, noop in Release.
+
+extern void pxOnAssertFail(const char* file, int line, const char* func, const char* msg);
+
+#define pxAssertRel(cond, msg) do { if (!(cond)) [[unlikely]] { pxOnAssertFail(__FILE__, __LINE__, __pxFUNCTION__, msg); } } while(0)
+#define pxFailRel(msg) pxOnAssertFail(__FILE__, __LINE__, __pxFUNCTION__, msg)
+
+#if defined(PCSX2_DEBUG) || defined(PCSX2_DEVBUILD)
+
+#define pxAssertMsg(cond, msg) pxAssertRel(cond, msg)
+#define pxAssumeMsg(cond, msg) pxAssertRel(cond, msg)
+#define pxFail(msg) pxFailRel(msg)
+
+#else
+
+#define pxAssertMsg(cond, msg) ((void)0)
+#define pxAssumeMsg(cond, msg) ASSUME(cond)
+#define pxFail(msg) ((void)0)
+
+#endif
+
+#define pxAssert(cond) pxAssertMsg(cond, #cond)
+#define pxAssume(cond) pxAssumeMsg(cond, #cond)
+
+// jNO_DEFAULT -- disables the default case in a switch, which improves switch optimization.
+#define jNO_DEFAULT \
+	default: \
+	{ \
+		pxAssumeMsg(false, "Incorrect usage of jNO_DEFAULT detected (default case is not unreachable!)"); \
+		break; \
+	}