start creating base objects for runtime

src/runtime/runtime.c

@@ -3,6 +3,16 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include "internals/siphash/siphash.h"
+#include "objects/type/type.h"
+#include "objects/string/string.h"
+
+void init_types() {
+  init_type();
+  init_string_type();
+}
 
 uint64_t pop_bytecode(Translated *translated, RuntimeState *state) {
   uint64_t *instruction = darray_get(&translated->bytecode, state->head++);
@@ -21,4 +31,28 @@ void runtime(Translated translated) {
   while (state.head < translated.bytecode.size)
     run_instruction(&translated, &state);
   free(state.registers);
+}
+
+
+
+static uint8_t siphash_key[16];
+
+void generate_siphash_key() {
+    int fd = open("/dev/urandom", O_RDONLY);
+    if (fd < 0 || read(fd, siphash_key, 16) != 16) {
+        // Fallback or abort
+    }
+    close(fd);
+}
+
+uint64_t siphash64_bytes(const void *data, size_t len) {
+    uint8_t out[8];
+    if (siphash(data, len, siphash_key, out, sizeof(out)) != 0)
+        return 0;
+
+    uint64_t hash = 0;
+    for (int i = 0; i < 8; ++i)
+        hash |= ((uint64_t)out[i]) << (8 * i);
+
+    return hash;
 }