Chapter 28.2

1 files changed, 10 insertions, 0 deletions

diff --git a/clox/src/object.h b/clox/src/object.h
index 4c115ce..e51d7d8 100644
--- a/clox/src/object.h
+++ b/clox/src/object.h
@@ -8,6 +8,7 @@
 
 #define OBJ_TYPE(value) (AS_OBJ(value)->type)
 
+#define IS_BOUND_METHOD(value) isObjType(value, OBJ_BOUND_METHOD)
 #define IS_CLASS(value) isObjType(value, OBJ_CLASS)
 #define IS_CLOSURE(value) isObjType(value, OBJ_CLOSURE)
 #define IS_FUNCTION(value) isObjType(value, OBJ_FUNCTION)
@@ -15,6 +16,7 @@
 #define IS_NATIVE(value) isObjType(value, OBJ_NATIVE)
 #define IS_STRING(value) isObjType(value, OBJ_STRING)
 
+#define AS_BOUND_METHOD(value) ((ObjBoundMethod *)AS_OBJ(value))
 #define AS_CLASS(value) ((ObjClass *)AS_OBJ(value))
 #define AS_CLOSURE(value) ((ObjClosure *)AS_OBJ(value))
 #define AS_FUNCTION(value) ((ObjFunction *)AS_OBJ(value))
@@ -24,6 +26,7 @@
 #define AS_CSTRING(value) (((ObjString *)AS_OBJ(value))->chars)
 
 typedef enum {
+  OBJ_BOUND_METHOD,
   OBJ_CLASS,
   OBJ_CLOSURE,
   OBJ_FUNCTION,
@@ -87,6 +90,13 @@ typedef struct {
   Table fields;
 } ObjInstance;
 
+typedef struct {
+  Obj obj;
+  Value receiver;
+  ObjClosure *method;
+} ObjBoundMethod;
+
+ObjBoundMethod *newBoundMethod(Value receiver, ObjClosure *method);
 ObjClass *newClass(ObjString *name);
 ObjClosure *newClosure(ObjFunction *function);
 ObjFunction *newFunction();