Utility functions

1 files changed, 28 insertions, 0 deletions

diff --git a/src/binary.h b/src/binary.h
new file mode 100644
index 0000000..139d2bf
--- /dev/null
+++ b/src/binary.h
@@ -0,0 +1,28 @@
+#pragma once
+
+#include "common.h"
+#include "log.h"
+#include "string.h"
+
+// Binary representation of u64
+strng_t *strng_u64_bin(smrt_arena_t *arena, u64 n);
+
+static inline strng_view_t uint_to_binsv_impl(smrt_arena_t *arena, u64 n, u8 bits) {
+    strng_t *b = strng_u64_bin(arena, n);
+    strng_view_t svb = sv_from(b);
+    sv_set_len_right(&svb, bits);
+    return svb;
+}
+
+// Converts n (u8-u64) to a strng_view_t representing the 0s and 1s
+#define UINT_TO_BINSV(arena, n) uint_to_binsv_impl(arena, n, \
+        _Generic(n, u8: 8, u16: 16, u32: 32, default: 64))
+
+#define LOG_UINT_BINREP(label, n) \
+    do { \
+        smrta_temp_t _macro_t = QUICK_SCRATCH; \
+        auto _macro_n = (n); \
+        strng_view_t _macro_svb = UINT_TO_BINSV(_macro_t.arena, _macro_n); \
+        log_debug(label": 0b%.*s", SV_FMT(_macro_svb)); \
+        QUICK_SCRATCH_E(_macro_t); \
+    } while (0)