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authorDiogo Ferreira <defer@cyngn.com>2015-01-14 11:13:52 +0000
committerDiogo Ferreira <defer@cyngn.com>2015-01-14 11:38:57 +0000
commit841159c272ac08b1cd5bdef5167a8ce11383fbb5 (patch)
treed7272ef150e58eaa1acc9ab62cf9e6c0aecbc2da /Object.c
parente1a8535012ab86d3e926bebfb7731dab1eb7320a (diff)
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Change-Id: I416c44803b3a79c2fd752e342ea113875fa533e0
Diffstat (limited to 'Object.c')
-rw-r--r--Object.c69
1 files changed, 37 insertions, 32 deletions
diff --git a/Object.c b/Object.c
index a9e9919..2399e50 100644
--- a/Object.c
+++ b/Object.c
@@ -1,24 +1,14 @@
/*
-htop
-(C) 2004-2010 Hisham H. Muhammad
+htop - Object.c
+(C) 2004-2012 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "Object.h"
-#include "RichString.h"
-#include "CRT.h"
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdbool.h>
-
-#include "debug.h"
/*{
-
-#ifndef DEBUG
-#define Object_setClass(obj, class)
-#endif
+#include "RichString.h"
typedef struct Object_ Object;
@@ -26,32 +16,47 @@ typedef void(*Object_Display)(Object*, RichString*);
typedef int(*Object_Compare)(const void*, const void*);
typedef void(*Object_Delete)(Object*);
+#define Object_getClass(obj_) ((Object*)(obj_))->klass
+#define Object_setClass(obj_, class_) Object_getClass(obj_) = (ObjectClass*) class_
+
+#define Object_delete(obj_) Object_getClass(obj_)->delete((Object*)(obj_))
+#define Object_displayFn(obj_) Object_getClass(obj_)->display
+#define Object_display(obj_, str_) Object_getClass(obj_)->display((Object*)(obj_), str_)
+#define Object_compare(obj_, other_) Object_getClass(obj_)->compare((const void*)(obj_), other_)
+
+#define Class(class_) ((ObjectClass*)(&(class_ ## _class)))
+
+#define AllocThis(class_) (class_*) malloc(sizeof(class_)); Object_setClass(this, Class(class_));
+
+typedef struct ObjectClass_ {
+ const void* extends;
+ const Object_Display display;
+ const Object_Delete delete;
+ const Object_Compare compare;
+} ObjectClass;
+
struct Object_ {
- #ifdef DEBUG
- char* class;
- #endif
- Object_Display display;
- Object_Delete delete;
+ ObjectClass* klass;
};
-}*/
-#ifdef DEBUG
-char* OBJECT_CLASS = "Object";
+}*/
-#else
-#define OBJECT_CLASS NULL
-#endif
+ObjectClass Object_class = {
+ .extends = NULL
+};
#ifdef DEBUG
-void Object_setClass(void* this, char* class) {
- ((Object*)this)->class = class;
-}
-
-static void Object_display(Object* this, RichString* out) {
- char objAddress[50];
- sprintf(objAddress, "%s @ %p", this->class, (void*) this);
- RichString_write(out, CRT_colors[DEFAULT_COLOR], objAddress);
+bool Object_isA(Object* o, const ObjectClass* klass) {
+ if (!o)
+ return false;
+ const ObjectClass* type = o->klass;
+ while (type) {
+ if (type == klass)
+ return true;
+ type = type->extends;
+ }
+ return false;
}
#endif