Migrated engine to using dlmalloc through eng::

luprex/core/cpp/luaconsole.hpp

@@ -49,18 +49,18 @@
 
 class LuaConsole {
 public:
-    using StringVec = std::vector<std::string>;
+    using StringVec = eng::vector<eng::string>;
 
 private:
     lua_State *lua_state_;
-    std::string raw_input_;
+    eng::string raw_input_;
     int lines_;
-    std::string prompt_;
+    eng::string prompt_;
     StringVec words_;
 
     void clear_raw_input();
     void simplify(const StringVec &words);
-    void synerr(const std::string &msg);
+    void synerr(const eng::string &msg);
 
 public:
     LuaConsole();
@@ -70,7 +70,7 @@ public:
     //
     // You should update the prompt immediately after 'add'.
     //
-    const std::string &get_prompt() { return prompt_; }
+    const eng::string &get_prompt() { return prompt_; }
     
     // Get the command words.
     //
@@ -82,7 +82,7 @@ public:
     
     // Add a line of text that was just read from the console.
     //
-    void add(std::string line);
+    void add(eng::string line);
 
 };