feat: add property to inline cache

Author: ErosZy

src/core/object.c

@@ -273,8 +273,7 @@ int delete_property(JSContext* ctx, JSObject* p, JSAtom atom) {
       pr->flags = 0;
       pr->atom = JS_ATOM_NULL;
       pr1->u.value = JS_UNDEFINED;
-      if (ic_delete_shape_proto_watchpoints(ctx->rt, sh, atom))
-        return -1;
+      ic_delete_shape_proto_watchpoints(ctx->rt, sh, atom);
       /* compact the properties if too many deleted properties */
       if (sh->deleted_prop_count >= 8 && sh->deleted_prop_count >= ((unsigned)sh->prop_count / 2))
         compact_properties(ctx, p);
@@ -1774,7 +1773,8 @@ int JS_SetPropertyInternal(JSContext* ctx, JSValueConst this_obj, JSAtom prop, J
   JSProperty* pr;
   uint32_t tag;
   JSPropertyDescriptor desc;
-  int ret, offset;
+  uint32_t offset;
+  int ret;
 #if 0
     printf("JS_SetPropertyInternal: "); print_atom(ctx, prop); printf("\n");
 #endif
@@ -1969,14 +1969,17 @@ int JS_SetPropertyInternal(JSContext* ctx, JSValueConst this_obj, JSAtom prop, J
     }
   }
 
-  if (ic_delete_shape_proto_watchpoints(ctx->rt, p->shape, prop))
-    return -1;
+  ic_delete_shape_proto_watchpoints(ctx->rt, p->shape, prop);
   pr = add_property(ctx, p, prop, JS_PROP_C_W_E);
   if (unlikely(!pr)) {
     JS_FreeValue(ctx, val);
     return -1;
   }
   pr->u.value = val;
+  if (ic && p->shape->is_hashed) {
+    ic->updated = TRUE;
+    ic->updated_offset = add_ic_slot(ic, prop, p, p->shape->prop_count - 1, NULL);
+  }
   return TRUE;
 }
 

src/core/runtime.c

@@ -355,8 +355,7 @@ int JS_SetPrototypeInternal(JSContext* ctx, JSValueConst obj, JSValueConst proto
   if (js_shape_prepare_update(ctx, p, NULL))
     return -1;
   sh = p->shape;
-  if (ic_free_shape_proto_watchpoints(ctx->rt, p->shape))
-    return -1;
+  ic_free_shape_proto_watchpoints(ctx->rt, p->shape);
   if (sh->proto)
     JS_FreeValue(ctx, JS_MKPTR(JS_TAG_OBJECT, sh->proto));
   sh->proto = proto;

src/core/types.h

@@ -511,7 +511,7 @@ typedef struct JSVarDef {
 #define PC2COLUMN_RANGE 5
 #define PC2COLUMN_OP_FIRST 1
 #define PC2COLUMN_DIFF_PC_MAX ((255 - PC2COLUMN_OP_FIRST) / PC2COLUMN_RANGE)
-#define IC_CACHE_ITEM_CAPACITY 8
+#define IC_CACHE_ITEM_CAPACITY 2
 
 typedef enum JSFunctionKindEnum {
     JS_FUNC_NORMAL = 0,