change num_this_properties in runtime

zhuzilin · Nov 3, 2023 · 67fb4d5 · 67fb4d5
1 parent 338c8d4
commit 67fb4d5
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Showing 3 changed files with 4 additions and 1 deletion.
diff --git a/es/impl/construct-impl.h b/es/impl/construct-impl.h
@@ -59,6 +59,8 @@ Handle<JSObject> Construct__Function(
     obj.val()->SetPrototype(ObjectProto::Instance());
   }
   Handle<JSValue> result = Call(e, O, obj, arguments);  // 8
+  // get more accurate num_decls from runtime.
+  func_ast->body()->SetNumThisProperties(obj.val()->named_properties()->hashmap().val()->occupancy());
   if (unlikely(!e.val()->IsOk())) return Handle<JSValue>();
   if (result.val()->IsObject())  // 9
     return static_cast<Handle<JSObject>>(result);

diff --git a/es/parser/ast.h b/es/parser/ast.h
@@ -449,6 +449,7 @@ class ProgramOrFunctionBody : public AST {
   size_t num_decls() { return func_decls_.size() + var_decls_.size(); }
   bool use_arguments() { return use_arguments_; }
   size_t num_this_properties() { return num_this_properties_; }
+  void SetNumThisProperties(size_t num) { num_this_properties_ = num; }
 
  private:
   bool strict_;

diff --git a/es/utils/hashmap_v2.h b/es/utils/hashmap_v2.h
@@ -271,7 +271,7 @@ class HashMapV2 : public JSValue {
 
  private:
   static Handle<HashMapV2> Resize(Handle<HashMapV2> map) {
-    Handle<HashMapV2> new_map = HashMapV2::New(2 * map.val()->capacity());
+    Handle<HashMapV2> new_map = HashMapV2::New(map.val()->capacity());
 
     uint32_t n = map.val()->occupancy();
     new_map.val()->set_occupancy(n);