init: base

1 files changed, 141 insertions, 0 deletions

diff --git a/source/base/base_core.h b/source/base/base_core.h
new file mode 100644
index 0000000..a4531a5
--- /dev/null
+++ b/source/base/base_core.h
@@ -0,0 +1,141 @@
+#ifndef BASE_CORE_H
+#define BASE_CORE_H
+
+//- compiler definitions
+#if defined(_MSC_VER)
+#define COMPILER_MSVC 1
+#elif defined(__clang__)
+#define COMPILER_CLANG 1
+#elif defined(__GNUC__)
+#define COMPILER_GCC 1
+#else
+#error Unsupported compiler
+#endif
+
+//- architecture definitions
+
+#if defined(__arm__) || defined(__aarch64__)
+#define ARCH_ARM 1
+#elif defined(__i386__) || defined(__x86_64__)
+#define ARCH_x86_64 1
+#endif
+
+//- compiler definitions
+
+//- core stuff
+
+/* assert an expression and output the file and the line */
+#define internal static
+#define global_variable static
+#define local_persist static
+
+#define arena_align (2 * sizeof(void *))
+
+#define Min(a, b) (((a) < (b)) ? (a) : (b))
+#define Max(a, b) (((a) > (b)) ? (a) : (b))
+
+#define Unused(x) (void)(x)
+#define Nil 0
+
+#define Deprecated __attribute__((__deprecated__))
+
+//- breakpoints
+#if ARCH_ARM
+#define breakpoint() __asm__ volatile("brk #0")
+#elif ARCH_x86_64
+
+#if COMPILER_GCC
+#define breakpoint() __asm__ volatile("int3")
+#endif
+#endif
+
+#if COMPILER_MSVC
+#include <intrin.h>
+#define breakpoint() __debugbreak()
+#endif
+
+//-
+#define MemCpy(dest, src, len) memcpy((dest), (src), (len))
+#define MemSet(dest, len) memset((dest), (1), (len))
+#define MemSetZero(dest, len) memset((dest), (0), (len))
+
+//-
+#if COMPILER_MSVC
+#pragma section("read_only", read)
+#define ReadOnly __declspec(allocate("read_only"))
+#elif COMPILER_GCC || COMPILER_CLANG
+
+#if PLATFORM_APPLE
+#define ReadOnly __attribute__((section("__TEXT,__const")))
+#else
+#define ReadOnly __attribute__((section(".const")))
+#endif // PLATFORM_APPLE
+
+#endif
+
+//-
+
+//- types
+
+typedef uint64_t u64;
+typedef uint32_t u32;
+typedef uint16_t u16;
+typedef uint8_t u8;
+
+typedef int8_t s8;
+typedef int16_t s16;
+
+typedef int32_t s32;
+typedef int64_t s64;
+
+typedef float f32;
+typedef double f64;
+
+typedef s32 b32;
+typedef s16 b16;
+typedef s8 b8;
+
+typedef uintptr_t umm;
+typedef intptr_t smm;
+
+//- disable certain msvc errors
+#if COMPILER_MSVC
+#pragma warning(disable : 6246) // disable the same name within a certain scope
+#endif
+
+//-
+
+#define Assert(expression) _assert(expression)
+
+// NOTE: apparantly in macros this strinifys whataever you put after the #
+#define AssertLog(expression, ...) do { \
+        if (!expression) { \
+            Log("%s:%d: %s\n", __FILE__, __LINE__, #expression); \
+            Log(__VA_ARGS__);\
+            Assert(false);\
+        }\
+    } \
+    while(0)
+
+internal void _assert(bool expression);
+
+
+internal void _assert(bool expression)
+{
+
+    if (!expression) {
+        breakpoint();
+#if COMPILER_MSVC
+        __fastfail(0);
+#else
+        __builtin_trap(); // NOTE: always stop, breakpoint() is empty on arm without DEBUG
+#endif
+    }
+}
+
+
+
+
+
+
+#endif //  BASE_CORE_H