Add vm

src/value.h

@@ -106,6 +106,7 @@ public:
 };
 
 // Forward declarations
+class Chunk;
 struct FunctionDecl;
 class ClassValue;
 class InstanceValue;
@@ -116,15 +117,18 @@ public:
     std::vector<std::pair<std::string, std::string>> parameters;
     std::string return_type;
     std::shared_ptr<FunctionDecl> declaration;
+    std::shared_ptr<Chunk> chunk;
     NativeFunction native_func;
     bool is_native;
     std::shared_ptr<InstanceValue> bound_instance;
     
     // Script function
     FunctionValue(std::string name, std::shared_ptr<FunctionDecl> declaration,
+                  std::shared_ptr<Chunk> chunk = nullptr,
                   std::shared_ptr<InstanceValue> bound_instance = nullptr)
         : name(std::move(name)), declaration(std::move(declaration)),
-          is_native(false), bound_instance(std::move(bound_instance)) {}
+          chunk(std::move(chunk)), is_native(false), 
+          bound_instance(std::move(bound_instance)) {}
     
     // Native function
     FunctionValue(std::string name, NativeFunction func)