Initial revision of lua 'doc' function

luprex/core/cpp/util.hpp

@@ -64,6 +64,9 @@ std::string hash_to_hex(const HashValue &hash);
 // Split a string into multiple strings
 StringVec split(const std::string &s, char sep);
 
+// Split a string into multiple strings using \r or \n
+StringVec split_lines(const std::string &s);
+
 // Join multiple strings into one string
 std::string join(const StringVec &strs, std::string sep);
 
@@ -108,6 +111,9 @@ bool world_type_authoritative(util::WorldType wt);
 // Make a LuaSourceVec with one element, for unit testing.
 LuaSourcePtr make_lua_source(const std::string &code);
 
+// Return true if the line of code is a lua comment.
+bool is_lua_comment(const std::string &line);
+
 // Remove nullptrs from a vector of unique pointers.
 template<class T>
 void remove_nullptrs(std::vector<std::unique_ptr<T>> &vec) {