Implement serialize and deserialize for primitive types

boa_engine/src/builtins/iterable/mod.rs

@@ -74,6 +74,29 @@ pub struct IteratorPrototypes {
     segment: JsObject,
 }
 
+impl crate::snapshot::Serialize for IteratorPrototypes {
+    fn serialize(
+        &self,
+        s: &mut crate::snapshot::SnapshotSerializer,
+    ) -> Result<(), crate::snapshot::SnapshotError> {
+        self.iterator.serialize(s)?;
+        self.async_iterator.serialize(s)?;
+        self.async_from_sync_iterator.serialize(s)?;
+        self.array.serialize(s)?;
+        self.set.serialize(s)?;
+        self.string.serialize(s)?;
+        self.regexp_string.serialize(s)?;
+        self.map.serialize(s)?;
+        self.for_in.serialize(s)?;
+        #[cfg(feature = "intl")]
+        {
+            self.segment.serialize(s)?;
+        }
+
+        Ok(())
+    }
+}
+
 impl IteratorPrototypes {
     /// Returns the `ArrayIteratorPrototype` object.
     #[inline]

boa_engine/src/builtins/uri/mod.rs

@@ -47,6 +47,27 @@ pub struct UriFunctions {
     encode_uri_component: JsFunction,
 }
 
+impl crate::snapshot::Serialize for UriFunctions {
+    fn serialize(
+        &self,
+        s: &mut crate::snapshot::SnapshotSerializer,
+    ) -> Result<(), crate::snapshot::SnapshotError> {
+        self.decode_uri.serialize(s)?;
+        self.decode_uri_component.serialize(s)?;
+        self.encode_uri.serialize(s)?;
+        self.encode_uri_component.serialize(s)?;
+        Ok(())
+    }
+}
+
+impl crate::snapshot::Deserialize for UriFunctions {
+    fn deserialize(
+        _d: &mut crate::snapshot::SnapshotDeserializer<'_>,
+    ) -> crate::snapshot::SnapshotResult<Self> {
+        todo!()
+    }
+}
+
 impl Default for UriFunctions {
     fn default() -> Self {
         Self {

boa_engine/src/context/intrinsics.rs

@@ -32,6 +32,8 @@ impl crate::snapshot::Serialize for Intrinsics {
         s: &mut crate::snapshot::SnapshotSerializer,
     ) -> Result<(), crate::snapshot::SnapshotError> {
         self.constructors.serialize(s)?;
+        self.objects.serialize(s)?;
+        self.templates.serialize(s)?;
         Ok(())
     }
 }
@@ -896,6 +898,40 @@ pub struct IntrinsicObjects {
     segments_prototype: JsObject,
 }
 
+impl crate::snapshot::Serialize for IntrinsicObjects {
+    fn serialize(
+        &self,
+        s: &mut crate::snapshot::SnapshotSerializer,
+    ) -> Result<(), crate::snapshot::SnapshotError> {
+        self.reflect.serialize(s)?;
+        self.math.serialize(s)?;
+        self.json.serialize(s)?;
+        self.throw_type_error.serialize(s)?;
+        self.array_prototype_values.serialize(s)?;
+        self.iterator_prototypes.serialize(s)?;
+        self.generator.serialize(s)?;
+        self.async_generator.serialize(s)?;
+        self.eval.serialize(s)?;
+        self.uri_functions.serialize(s)?;
+        self.is_finite.serialize(s)?;
+        self.is_nan.serialize(s)?;
+        self.parse_float.serialize(s)?;
+        self.parse_int.serialize(s)?;
+        #[cfg(feature = "annex-b")]
+        {
+            self.escape.serialize(s)?;
+            self.unescape.serialize(s)?;
+        }
+        #[cfg(feature = "intl")]
+        {
+            self.intl.serialize(s)?;
+            self.segments_prototype.serialize(s)?;
+        }
+
+        Ok(())
+    }
+}
+
 impl Default for IntrinsicObjects {
     fn default() -> Self {
         Self {
@@ -1085,6 +1121,33 @@ pub(crate) struct ObjectTemplates {
     namespace: ObjectTemplate,
 }
 
+impl crate::snapshot::Serialize for ObjectTemplates {
+    fn serialize(
+        &self,
+        s: &mut crate::snapshot::SnapshotSerializer,
+    ) -> Result<(), crate::snapshot::SnapshotError> {
+        self.iterator_result.serialize(s)?;
+        self.ordinary_object.serialize(s)?;
+        self.array.serialize(s)?;
+        self.number.serialize(s)?;
+        self.string.serialize(s)?;
+        self.symbol.serialize(s)?;
+        self.bigint.serialize(s)?;
+        self.boolean.serialize(s)?;
+
+        self.unmapped_arguments.serialize(s)?;
+        self.mapped_arguments.serialize(s)?;
+        self.function_with_prototype.serialize(s)?;
+        self.function_prototype.serialize(s)?;
+        self.function.serialize(s)?;
+        self.async_function.serialize(s)?;
+        self.function_without_proto.serialize(s)?;
+        self.function_with_prototype_without_proto.serialize(s)?;
+        self.namespace.serialize(s)?;
+        Ok(())
+    }
+}
+
 impl ObjectTemplates {
     pub(crate) fn new(root_shape: &RootShape, constructors: &StandardConstructors) -> Self {
         let root_shape = root_shape.shape();

boa_engine/src/context/mod.rs

@@ -1004,6 +1004,7 @@ impl crate::snapshot::Deserialize for Context<'_> {
     ) -> Result<Self, crate::snapshot::SnapshotError> {
         let strict = d.read_bool()?;
         let optimizer_options = OptimizerOptions::deserialize(d)?;
+        // let realm = Realm::deserialize(d)?;
         let mut context = Context::default();
 
         context.strict(strict);

boa_engine/src/environments/compile.rs

@@ -19,6 +19,19 @@ struct CompileTimeBinding {
     strict: bool,
 }
 
+impl crate::snapshot::Serialize for CompileTimeBinding {
+    fn serialize(
+        &self,
+        s: &mut crate::snapshot::SnapshotSerializer,
+    ) -> crate::snapshot::SnapshotResult<()> {
+        self.index.serialize(s)?;
+        self.mutable.serialize(s)?;
+        self.lex.serialize(s)?;
+        self.strict.serialize(s)?;
+        Ok(())
+    }
+}
+
 /// A compile time environment maps bound identifiers to their binding positions.
 ///
 /// A compile time environment also indicates, if it is a function environment.
@@ -30,6 +43,29 @@ pub(crate) struct CompileTimeEnvironment {
     function_scope: bool,
 }
 
+impl crate::snapshot::Serialize for Identifier {
+    fn serialize(
+        &self,
+        s: &mut crate::snapshot::SnapshotSerializer,
+    ) -> crate::snapshot::SnapshotResult<()> {
+        self.sym().get().serialize(s)?;
+        Ok(())
+    }
+}
+
+impl crate::snapshot::Serialize for CompileTimeEnvironment {
+    fn serialize(
+        &self,
+        s: &mut crate::snapshot::SnapshotSerializer,
+    ) -> crate::snapshot::SnapshotResult<()> {
+        self.outer.serialize(s)?;
+        self.environment_index.serialize(s)?;
+        self.bindings.serialize(s)?;
+        self.function_scope.serialize(s)?;
+        Ok(())
+    }
+}
+
 // Safety: Nothing in this struct needs tracing, so this is safe.
 unsafe impl Trace for CompileTimeEnvironment {
     empty_trace!();

boa_engine/src/environments/runtime/declarative/function.rs

@@ -10,6 +10,17 @@ pub(crate) struct FunctionEnvironment {
     slots: FunctionSlots,
 }
 
+impl crate::snapshot::Serialize for FunctionEnvironment {
+    fn serialize(
+        &self,
+        s: &mut crate::snapshot::SnapshotSerializer,
+    ) -> crate::snapshot::SnapshotResult<()> {
+        self.inner.serialize(s)?;
+        self.slots.serialize(s)?;
+        Ok(())
+    }
+}
+
 impl FunctionEnvironment {
     /// Creates a new `FunctionEnvironment`.
     pub(crate) fn new(bindings: u32, poisoned: bool, with: bool, slots: FunctionSlots) -> Self {
@@ -160,6 +171,22 @@ pub(crate) enum ThisBindingStatus {
     Initialized(JsValue),
 }
 
+impl crate::snapshot::Serialize for ThisBindingStatus {
+    fn serialize(
+        &self,
+        s: &mut crate::snapshot::SnapshotSerializer,
+    ) -> crate::snapshot::SnapshotResult<()> {
+        match self {
+            ThisBindingStatus::Lexical => b'L'.serialize(s),
+            ThisBindingStatus::Uninitialized => b'U'.serialize(s),
+            ThisBindingStatus::Initialized(v) => {
+                b'I'.serialize(s)?;
+                v.serialize(s)
+            }
+        }
+    }
+}
+
 unsafe impl Trace for ThisBindingStatus {
     custom_trace!(this, {
         match this {
@@ -182,6 +209,18 @@ pub(crate) struct FunctionSlots {
     new_target: Option<JsObject>,
 }
 
+impl crate::snapshot::Serialize for FunctionSlots {
+    fn serialize(
+        &self,
+        s: &mut crate::snapshot::SnapshotSerializer,
+    ) -> crate::snapshot::SnapshotResult<()> {
+        self.this.borrow().serialize(s)?;
+        self.function_object.serialize(s)?;
+        self.new_target.serialize(s)?;
+        Ok(())
+    }
+}
+
 impl FunctionSlots {
     /// Creates a new `FunctionSluts`.
     pub(crate) fn new(

boa_engine/src/environments/runtime/declarative/global.rs

@@ -10,6 +10,17 @@ pub(crate) struct GlobalEnvironment {
     global_this: JsObject,
 }
 
+impl crate::snapshot::Serialize for GlobalEnvironment {
+    fn serialize(
+        &self,
+        s: &mut crate::snapshot::SnapshotSerializer,
+    ) -> crate::snapshot::SnapshotResult<()> {
+        self.inner.serialize(s)?;
+        self.global_this.serialize(s)?;
+        Ok(())
+    }
+}
+
 impl GlobalEnvironment {
     /// Creates a new `GlobalEnvironment`.
     pub(crate) fn new(global_this: JsObject) -> Self {

boa_engine/src/environments/runtime/declarative/lexical.rs

@@ -9,6 +9,15 @@ pub(crate) struct LexicalEnvironment {
     inner: PoisonableEnvironment,
 }
 
+impl crate::snapshot::Serialize for LexicalEnvironment {
+    fn serialize(
+        &self,
+        s: &mut crate::snapshot::SnapshotSerializer,
+    ) -> crate::snapshot::SnapshotResult<()> {
+        self.inner.serialize(s)
+    }
+}
+
 impl LexicalEnvironment {
     /// Creates a new `LexicalEnvironment`.
     pub(crate) fn new(bindings: u32, poisoned: bool, with: bool) -> Self {

boa_engine/src/environments/runtime/declarative/mod.rs

@@ -45,6 +45,17 @@ pub(crate) struct DeclarativeEnvironment {
     compile: Rc<RefCell<CompileTimeEnvironment>>,
 }
 
+impl crate::snapshot::Serialize for DeclarativeEnvironment {
+    fn serialize(
+        &self,
+        s: &mut crate::snapshot::SnapshotSerializer,
+    ) -> crate::snapshot::SnapshotResult<()> {
+        self.kind.serialize(s)?;
+        self.compile.serialize(s)?;
+        Ok(())
+    }
+}
+
 impl DeclarativeEnvironment {
     /// Creates a new global `DeclarativeEnvironment`.
     pub(crate) fn global(global_this: JsObject) -> Self {
@@ -145,6 +156,34 @@ pub(crate) enum DeclarativeEnvironmentKind {
     Module(ModuleEnvironment),
 }
 
+impl crate::snapshot::Serialize for DeclarativeEnvironmentKind {
+    fn serialize(
+        &self,
+        s: &mut crate::snapshot::SnapshotSerializer,
+    ) -> crate::snapshot::SnapshotResult<()> {
+        match self {
+            DeclarativeEnvironmentKind::Lexical(env) => {
+                s.write_u8(b'L')?;
+                env.serialize(s)?;
+            }
+            DeclarativeEnvironmentKind::Global(env) => {
+                s.write_u8(b'G')?;
+                env.serialize(s)?;
+            }
+            DeclarativeEnvironmentKind::Function(env) => {
+                s.write_u8(b'F')?;
+                env.serialize(s)?;
+            }
+            DeclarativeEnvironmentKind::Module(env) => {
+                s.write_u8(b'M')?;
+                env.serialize(s)?;
+            }
+        }
+
+        Ok(())
+    }
+}
+
 impl DeclarativeEnvironmentKind {
     /// Unwraps the inner function environment if possible. Returns `None` otherwise.
     pub(crate) const fn as_function(&self) -> Option<&FunctionEnvironment> {
@@ -278,6 +317,18 @@ pub(crate) struct PoisonableEnvironment {
     with: Cell<bool>,
 }
 
+impl crate::snapshot::Serialize for PoisonableEnvironment {
+    fn serialize(
+        &self,
+        s: &mut crate::snapshot::SnapshotSerializer,
+    ) -> crate::snapshot::SnapshotResult<()> {
+        self.bindings.borrow().serialize(s)?;
+        self.poisoned.serialize(s)?;
+        self.with.serialize(s)?;
+        Ok(())
+    }
+}
+
 impl PoisonableEnvironment {
     /// Creates a new `PoisonableEnvironment`.
     pub(crate) fn new(bindings_count: u32, poisoned: bool, with: bool) -> Self {