progress on the allocator

1 files changed, 29 insertions, 0 deletions

diff --git a/omni/assert.h b/omni/assert.h
new file mode 100644
index 0000000..f3e865b
--- /dev/null
+++ b/omni/assert.h
@@ -0,0 +1,29 @@
+#ifndef OMNI_ASSERT_H
+#define OMNI_ASSERT_H
+
+#include <cstdio>
+#include <cstdlib>
+
+#include "stdint.h"
+
+template <typename... Args>
+[[noreturn]] void panic_impl(const char* file, u32 line, const char* fmt,
+                             Args arguments) {
+  fprintf(stderr, "PANIC at %s:%d: ", file, line);
+  fprintf(stderr, fmt, args...);
+  fputs("\n", stderr);
+  abort();
+}
+
+#define panic(...) panic_impl(__FILE__, __LINE__, __VA_ARGS__)
+
+#ifndef NDEBUG
+#  define assert(cond)                                   \
+    do {                                                 \
+      if (!(cond)) panic("assertion failed: %s", #cond); \
+    } while (0);
+#else
+#  define assert(cond) unused(cond)
+#endif
+
+#endif