Add Realm::create_with_default_global_bindings

Provides a function for creating Realms with the default global bindings.

boa_engine/src/builtins/mod.rs

@@ -95,11 +95,14 @@ use crate::{
         weak_map::WeakMap,
         weak_set::WeakSet,
     },
-    context::intrinsics::{Intrinsics, StandardConstructor, StandardConstructors},
+    context::{
+        intrinsics::{Intrinsics, StandardConstructor, StandardConstructors},
+        HostHooks,
+    },
     js_string,
     native_function::{NativeFunction, NativeFunctionPointer},
     object::{
-        shape::{property_table::PropertyTableInner, slot::SlotAttributes},
+        shape::{property_table::PropertyTableInner, slot::SlotAttributes, RootShape},
         FunctionBinding, JsFunction, JsObject, JsPrototype, Object, ObjectData, ObjectKind,
         CONSTRUCTOR, PROTOTYPE,
     },
@@ -276,6 +279,21 @@ impl Realm {
             intl::PluralRules::init(self);
         }
     }
+
+    /// Create a new Realm with the default global bindings.
+    pub fn create_with_default_global_bindings(
+        hooks: &dyn HostHooks,
+        root_shape: &RootShape,
+        context: &mut Context<'_>,
+    ) -> JsResult<Self> {
+        let realm = Self::create(hooks, root_shape);
+
+        let old_realm = context.enter_realm(realm);
+
+        set_default_global_bindings(context)?;
+
+        Ok(context.enter_realm(old_realm))
+    }
 }
 
 /// Abstract operation [`SetDefaultGlobalBindings ( realmRec )`][spec].