BAN/Kernel: Rework assertion/panic system

BAN/Assert.h does not need any includes meaning it can be included
anywhere without problems.

BAN/BAN/Assert.cpp

@@ -0,0 +1,22 @@
+#include <BAN/Assert.h>
+
+#if __is_kernel
+
+#include <kernel/Panic.h>
+
+[[noreturn]] void __ban_assertion_failed(const char* location, const char* msg)
+{
+	Kernel::panic_impl(location, msg);
+}
+
+#else
+
+#include <BAN/Debug.h>
+
+[[noreturn]] void __ban_assertion_failed(const char* location, const char* msg)
+{
+	derrorln("{}: {}", location, msg);
+	__builtin_trap();
+}
+
+#endif

BAN/CMakeLists.txt

@@ -3,6 +3,7 @@ cmake_minimum_required(VERSION 3.26)
 project(BAN CXX)
 
 set(BAN_SOURCES
+	BAN/Assert.cpp
 	BAN/New.cpp
 	BAN/String.cpp
 	BAN/StringView.cpp

BAN/include/BAN/Assert.h

@@ -1,33 +1,13 @@
 #pragma once
 
-#include <BAN/Traits.h>
+#define __ban_assert_stringify_helper(s) #s
+#define __ban_assert_stringify(s) __ban_assert_stringify_helper(s)
 
-#if defined(__is_kernel)
-	#include <kernel/Panic.h>
+#define ASSERT(cond)																						\
+	(__builtin_expect(!(cond), 0)																			\
+		? __ban_assertion_failed(__FILE__ ":" __ban_assert_stringify(__LINE__), "ASSERT(" #cond ") failed")	\
+		: (void)0)
 
-	#define ASSERT(cond)									\
-		do {												\
-			if (!(cond))									\
-				Kernel::panic("ASSERT(" #cond ") failed");	\
-		} while (false)
+#define ASSERT_NOT_REACHED() ASSERT(false)
 
-	#define __ASSERT_BIN_OP(lhs, rhs, name, op)														\
-		do {																						\
-			auto&& _lhs = (lhs);																	\
-			auto&& _rhs = (rhs);																	\
-			if (!(_lhs op _rhs))																	\
-					Kernel::panic(name "(" #lhs ", " #rhs ") ({} " #op " {}) failed", _lhs, _rhs);	\
-		} while (false)
-
-	#define ASSERT_LT(lhs, rhs)		__ASSERT_BIN_OP(lhs, rhs, "ASSERT_LT",	<)
-	#define ASSERT_LTE(lhs, rhs)	__ASSERT_BIN_OP(lhs, rhs, "ASSERT_LTE",	<=)
-	#define ASSERT_GT(lhs, rhs)		__ASSERT_BIN_OP(lhs, rhs, "ASSERT_GT",	>)
-	#define ASSERT_GTE(lhs, rhs)	__ASSERT_BIN_OP(lhs, rhs, "ASSERT_GTE",	>=)
-	#define ASSERT_EQ(lhs, rhs)		__ASSERT_BIN_OP(lhs, rhs, "ASSERT_EQ",	==)
-	#define ASSERT_NEQ(lhs, rhs)	__ASSERT_BIN_OP(lhs, rhs, "ASSERT_NEQ",	!=)
-	#define ASSERT_NOT_REACHED() Kernel::panic("ASSERT_NOT_REACHED() failed")
-#else
-	#include <assert.h>
-	#define ASSERT(cond) assert((cond) && "ASSERT("#cond") failed")
-	#define ASSERT_NOT_REACHED() do { assert(false && "ASSERT_NOT_REACHED() failed"); __builtin_unreachable(); } while (false)
-#endif
+[[noreturn]] void __ban_assertion_failed(const char* location, const char* msg);

BAN/include/BAN/CircularQueue.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <BAN/Assert.h>
+#include <BAN/Move.h>
 #include <BAN/PlacementNew.h>
 
 #include <stdint.h>

BAN/include/BAN/Debug.h

@@ -1,8 +1,10 @@
 #pragma once
 
 #if __is_kernel
-#error "This is userspace only file"
-#endif
+
+#include <kernel/Debug.h>
+
+#else
 
 #include <BAN/Formatter.h>
 #include <stdio.h>
@@ -29,3 +31,5 @@
 		dprintln(__VA_ARGS__);								\
 		BAN::Formatter::print(__debug_putchar, "\e[m");		\
 	} while(false)
+
+#endif

BAN/include/BAN/PlacementNew.h

@@ -1,4 +1,6 @@
 #pragma once
 
+#include <stddef.h>
+
 inline void* operator new(size_t, void* addr)	{ return addr; }
 inline void* operator new[](size_t, void* addr)	{ return addr; }