From 6d2d8d091fa33948599762fa15102ce4afc8ca74 Mon Sep 17 00:00:00 2001
From: Linus Groh <mail@linusgroh.de>
Date: Sun, 14 Mar 2021 12:01:18 +0100
Subject: [PATCH] LibJS: Add the same Object::invoke() overloads as VM::call()

---
 Userland/Libraries/LibJS/Runtime/Object.cpp |  2 +-
 Userland/Libraries/LibJS/Runtime/Object.h   | 23 ++++++++++++++++++++-
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/Userland/Libraries/LibJS/Runtime/Object.cpp b/Userland/Libraries/LibJS/Runtime/Object.cpp
index 98f03237f1..8951de17b9 100644
--- a/Userland/Libraries/LibJS/Runtime/Object.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Object.cpp
@@ -883,7 +883,7 @@ Value Object::ordinary_to_primitive(Value::PreferredType preferred_type) const
     return {};
 }
 
-Value Object::invoke(const StringOrSymbol& property_name, Optional<MarkedValueList> arguments)
+Value Object::invoke_internal(const StringOrSymbol& property_name, Optional<MarkedValueList> arguments)
 {
     auto& vm = this->vm();
     auto property = get(property_name).value_or(js_undefined());
diff --git a/Userland/Libraries/LibJS/Runtime/Object.h b/Userland/Libraries/LibJS/Runtime/Object.h
index e869aee748..0e496fefb3 100644
--- a/Userland/Libraries/LibJS/Runtime/Object.h
+++ b/Userland/Libraries/LibJS/Runtime/Object.h
@@ -133,7 +133,19 @@ public:
     IndexedProperties& indexed_properties() { return m_indexed_properties; }
     void set_indexed_property_elements(Vector<Value>&& values) { m_indexed_properties = IndexedProperties(move(values)); }
 
-    Value invoke(const StringOrSymbol& property_name, Optional<MarkedValueList> arguments = {});
+    [[nodiscard]] Value invoke_internal(const StringOrSymbol& property_name, Optional<MarkedValueList> arguments);
+
+    template<typename... Args>
+    [[nodiscard]] ALWAYS_INLINE Value invoke(const StringOrSymbol& property_name, Args... args)
+    {
+        if constexpr (sizeof...(Args) > 0) {
+            MarkedValueList arglist { heap() };
+            (..., arglist.append(move(args)));
+            return invoke(property_name, move(arglist));
+        }
+
+        return invoke(property_name);
+    }
 
     void ensure_shape_is_unique();
 
@@ -165,4 +177,13 @@ private:
     IndexedProperties m_indexed_properties;
 };
 
+template<>
+[[nodiscard]] ALWAYS_INLINE Value Object::invoke(const StringOrSymbol& property_name, MarkedValueList arguments) { return invoke_internal(property_name, move(arguments)); }
+
+template<>
+[[nodiscard]] ALWAYS_INLINE Value Object::invoke(const StringOrSymbol& property_name, Optional<MarkedValueList> arguments) { return invoke_internal(property_name, move(arguments)); }
+
+template<>
+[[nodiscard]] ALWAYS_INLINE Value Object::invoke(const StringOrSymbol& property_name) { return invoke(property_name, Optional<MarkedValueList> {}); }
+
 }