A small refactor to SourceDB to prepare for doc-search functionality

luprex/cpp/core/source.hpp

@@ -148,6 +148,12 @@ public:
     //
     eng::vector<eng::string> modules();
     
+    // get_source
+    //
+    // Get the source code for a given module.
+    // 
+    eng::string get_source(const eng::string &fn);
+
     // rebuild_module
     //
     // To rebuild the lua environment, fetch the module list, then
@@ -196,7 +202,7 @@ public:
     
     // Get function documentation.
     //
-    static eng::string function_docs(const LuaCoreStack &LS, LuaSlot slot);
+    eng::string function_docs(const LuaCoreStack &LS, LuaSlot slot);
 
     // Serialize and unserialize a source vector.
     //