bytecode compiler impirsts and external functions call support, byyterun imports and external functions calls parsing, initial impl of module manager

byterun/include/module_manager.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "utils.h"
+
+struct ModSearchResult {
+  ssize_t symbol_offset; // < 0 => not found
+  uint32_t mod_id;
+  bytefile *mod_file;
+};
+
+void mod_add_search_path(const char *path);
+
+bytefile *mod_get(uint32_t id);
+
+int32_t mod_load(const char *name); // < 0 => not found
+
+struct ModSearchResult mod_search_pub_symbol(const char *name);