feat: atomics behind atomics feature to complete atomic things

nova_vm/Cargo.toml

@@ -24,13 +24,14 @@ unicode-normalization = { workspace = true }
 wtf8 = { workspace = true }
 
 [features]
-default = ["math", "json", "date", "array-buffer", "shared-array-buffer", "weak-refs"]
+default = ["math", "json", "date", "array-buffer", "shared-array-buffer", "weak-refs", "atomics"]
 math = []
 json = ["sonic-rs"]
 date = []
 array-buffer = []
 shared-array-buffer = []
 weak-refs = []
+atomics = ["array-buffer", "shared-array-buffer"]
 typescript = []
 
 [build-dependencies]

nova_vm/src/ecmascript/builtins/structured_data.rs

@@ -4,6 +4,7 @@
 
 #[cfg(feature = "array-buffer")]
 pub(crate) mod array_buffer_objects;
+#[cfg(feature = "atomics")]
 pub(crate) mod atomics_object;
 #[cfg(feature = "array-buffer")]
 pub(crate) mod data_view_objects;

nova_vm/src/ecmascript/execution/realm.rs

@@ -982,17 +982,19 @@ pub(crate) fn set_default_global_bindings(
     // 19.4 Other Properties of the Global Object
     {
         // 19.4.1 Atomics
-        let name = PropertyKey::from(BUILTIN_STRING_MEMORY.Atomics);
-        let value = agent.get_realm(realm_id).intrinsics().atomics();
-        let desc = PropertyDescriptor {
-            value: Some(value.into_value()),
-            writable: Some(true),
-            enumerable: Some(false),
-            configurable: Some(true),
-            ..Default::default()
-        };
-        define_property_or_throw(agent, global, name, desc)?;
-
+        #[cfg(feature = "atomics")]
+        {
+            let name = PropertyKey::from(BUILTIN_STRING_MEMORY.Atomics);
+            let value = agent.get_realm(realm_id).intrinsics().atomics();
+            let desc = PropertyDescriptor {
+                value: Some(value.into_value()),
+                writable: Some(true),
+                enumerable: Some(false),
+                configurable: Some(true),
+                ..Default::default()
+            };
+            define_property_or_throw(agent, global, name, desc)?;
+        }
         // 19.4.2 JSON
         #[cfg(feature = "json")]
         {

nova_vm/src/ecmascript/execution/realm/intrinsics.rs

@@ -22,6 +22,8 @@ use crate::ecmascript::builtins::numbers_and_dates::date_objects::{
 };
 #[cfg(feature = "math")]
 use crate::ecmascript::builtins::numbers_and_dates::math_object::MathObject;
+#[cfg(feature = "atomics")]
+use crate::ecmascript::builtins::structured_data::atomics_object::AtomicsObject;
 #[cfg(feature = "json")]
 use crate::ecmascript::builtins::structured_data::json_object::JSONObject;
 #[cfg(feature = "shared-array-buffer")]
@@ -96,7 +98,6 @@ use crate::{
             },
             primitive_objects::PrimitiveObject,
             reflection::{proxy_constructor::ProxyConstructor, reflect_object::ReflectObject},
-            structured_data::atomics_object::AtomicsObject,
             text_processing::{
                 regexp_objects::{
                     regexp_constructor::RegExpConstructor, regexp_prototype::RegExpPrototype,
@@ -149,7 +150,6 @@ use crate::{
         IntrinsicObjectIndexes, IntrinsicPrimitiveObjectIndexes, WorkQueues,
     },
 };
-
 #[derive(Debug, Clone)]
 pub(crate) struct Intrinsics {
     pub(crate) object_index_base: ObjectIndex,
@@ -329,6 +329,7 @@ impl Intrinsics {
         DataViewPrototype::create_intrinsic(agent, realm);
         #[cfg(feature = "array-buffer")]
         DataViewConstructor::create_intrinsic(agent, realm);
+        #[cfg(feature = "atomics")]
         AtomicsObject::create_intrinsic(agent, realm);
         #[cfg(feature = "json")]
         JSONObject::create_intrinsic(agent, realm);
@@ -612,6 +613,7 @@ impl Intrinsics {
     }
 
     /// %Atomics%
+    #[cfg(feature = "atomics")]
     pub(crate) fn atomics(&self) -> OrdinaryObject {
         IntrinsicObjectIndexes::AtomicsObject
             .get_object_index(self.object_index_base)
@@ -1618,6 +1620,7 @@ impl HeapMarkAndSweep for Intrinsics {
         self.async_generator_function().mark_values(queues);
         self.async_generator_prototype().mark_values(queues);
         self.async_iterator_prototype().mark_values(queues);
+        #[cfg(feature = "atomics")]
         self.atomics().mark_values(queues);
         self.big_int_prototype().mark_values(queues);
         self.big_int().mark_values(queues);

nova_vm/src/heap/heap_constants.rs

@@ -74,6 +74,7 @@ pub(crate) enum IntrinsicObjectIndexes {
     SharedArrayBufferPrototype,
     #[cfg(feature = "array-buffer")]
     DataViewPrototype,
+    #[cfg(feature = "atomics")]
     AtomicsObject,
     JSONObject,