Chapter 27.1

1 files changed, 9 insertions, 0 deletions

diff --git a/clox/src/object.h b/clox/src/object.h
index 36ec034..44de6ed 100644
--- a/clox/src/object.h
+++ b/clox/src/object.h
@@ -7,11 +7,13 @@
 
 #define OBJ_TYPE(value) (AS_OBJ(value)->type)
 
+#define IS_CLASS(value) isObjType(value, OBJ_CLASS)
 #define IS_CLOSURE(value) isObjType(value, OBJ_CLOSURE)
 #define IS_FUNCTION(value) isObjType(value, OBJ_FUNCTION)
 #define IS_NATIVE(value) isObjType(value, OBJ_NATIVE)
 #define IS_STRING(value) isObjType(value, OBJ_STRING)
 
+#define AS_CLASS(value) ((ObjClass *)AS_OBJ(value))
 #define AS_CLOSURE(value) ((ObjClosure *)AS_OBJ(value))
 #define AS_FUNCTION(value) ((ObjFunction *)AS_OBJ(value))
 #define AS_NATIVE(value) (((ObjNative *)AS_OBJ(value))->function)
@@ -19,6 +21,7 @@
 #define AS_CSTRING(value) (((ObjString *)AS_OBJ(value))->chars)
 
 typedef enum {
+  OBJ_CLASS,
   OBJ_CLOSURE,
   OBJ_FUNCTION,
   OBJ_NATIVE,
@@ -68,6 +71,12 @@ typedef struct {
   int upvalueCount;
 } ObjClosure;
 
+typedef struct {
+  Obj obj;
+  ObjString *name;
+} ObjClass;
+
+ObjClass *newClass(ObjString *name);
 ObjClosure *newClosure(ObjFunction *function);
 ObjFunction *newFunction();
 ObjNative *newNative(NativeFn function);