From 9025da8168e505e2b0e32b89a0d94db935dace93 Mon Sep 17 00:00:00 2001
From: Tom Willemse
Date: Fri, 21 Jan 2022 21:24:26 -0800
Subject: Chapter 24.1

---
 clox/src/object.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'clox/src/object.h')

diff --git a/clox/src/object.h b/clox/src/object.h
index 717031b..812c464 100644
--- a/clox/src/object.h
+++ b/clox/src/object.h
@@ -1,17 +1,21 @@
 #ifndef OBJECT_H
 #define OBJECT_H
 
+#include "chunk.h"
 #include "common.h"
 #include "value.h"
 
 #define OBJ_TYPE(value) (AS_OBJ(value)->type)
 
+#define IS_FUNCTION(value) isObjType(value, OBJ_FUNCTION)
 #define IS_STRING(value) isObjType(value, OBJ_STRING)
 
+#define AS_FUNCTION(value) ((ObjFunction *)AS_OBJ(value))
 #define AS_STRING(value) ((ObjString *)AS_OBJ(value))
 #define AS_CSTRING(value) (((ObjString *)AS_OBJ(value))->chars)
 
 typedef enum {
+  OBJ_FUNCTION,
   OBJ_STRING,
 } ObjType;
 
@@ -20,6 +24,13 @@ struct Obj {
   struct Obj *next;
 };
 
+typedef struct {
+  Obj obj;
+  int arity;
+  Chunk chunk;
+  ObjString *name;
+} ObjFunction;
+
 struct ObjString {
   Obj obj;
   int length;
@@ -27,6 +38,7 @@ struct ObjString {
   uint32_t hash;
 };
 
+ObjFunction *newFunction();
 ObjString *takeString(char *chars, int length);
 ObjString *copyString(const char *chars, int length);
 void printObject(Value value);
-- 
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