Torquefy a few simple types

JSDate, JSStringIterator, JSAsyncFromSyncIterator, JSDataPropertyDescriptor

Change-Id: Ia2cfd8fa61672fb4d6ec5082bae07e7add97fe60
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1500674Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: Z Nguyen-Huu <duongn@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#60041}

src/builtins/base.tq

@@ -66,6 +66,9 @@ type Number = Smi | HeapNumber;
 type BigInt extends HeapObject generates 'TNode<BigInt>';
 type Numeric = Number | BigInt;
 
+// The HeapNumber value NaN
+type NaN extends HeapNumber;
+
 extern class Struct extends HeapObject {}
 
 extern class Tuple2 extends Struct {
@@ -296,6 +299,35 @@ extern class JSAccessorPropertyDescriptor extends JSObject {
 
 extern class JSCollection extends JSObject { table: Object; }
 
+extern class JSDate extends JSObject {
+  value: NumberOrUndefined;
+  year: Undefined | Smi | NaN;
+  month: Undefined | Smi | NaN;
+  day: Undefined | Smi | NaN;
+  weekday: Undefined | Smi | NaN;
+  hour: Undefined | Smi | NaN;
+  min: Undefined | Smi | NaN;
+  sec: Undefined | Smi | NaN;
+  cache_stamp: Undefined | Smi | NaN;
+}
+
+extern class JSAsyncFromSyncIterator extends JSObject {
+  sync_iterator: JSReceiver;
+  next: Object;
+}
+
+extern class JSStringIterator extends JSObject {
+  string: String;
+  next_index: Smi;
+}
+
+extern class JSDataPropertyDescriptor extends JSObject {
+  value: Object;
+  writable: Object;
+  enumerable: Object;
+  configurable: Object;
+}
+
 type JSDataView extends JSArrayBufferView generates 'TNode<JSDataView>';
 
 type InstanceType generates 'TNode<Int32T>' constexpr 'InstanceType';

src/objects/js-objects.h

@@ -846,18 +846,8 @@ class JSAccessorPropertyDescriptor : public JSObject {
 // FromPropertyDescriptor function for regular data properties.
 class JSDataPropertyDescriptor : public JSObject {
  public:
-  // Layout description.
-#define JS_DATA_PROPERTY_DESCRIPTOR_FIELDS(V) \
-  V(kValueOffset, kTaggedSize)                \
-  V(kWritableOffset, kTaggedSize)             \
-  V(kEnumerableOffset, kTaggedSize)           \
-  V(kConfigurableOffset, kTaggedSize)         \
-  /* Total size. */                           \
-  V(kSize, 0)
-
-  DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize,
-                                JS_DATA_PROPERTY_DESCRIPTOR_FIELDS)
-#undef JS_DATA_PROPERTY_DESCRIPTOR_FIELDS
+  DEFINE_FIELD_OFFSET_CONSTANTS(
+      JSObject::kHeaderSize, TORQUE_GENERATED_JSDATA_PROPERTY_DESCRIPTOR_FIELDS)
 
   // Indices of in-object properties.
   static const int kValueIndex = 0;
@@ -1303,22 +1293,8 @@ class JSDate : public JSObject {
     kTimezoneOffset
   };
 
-  // Layout description.
-#define JS_DATE_FIELDS(V)           \
-  V(kValueOffset, kTaggedSize)      \
-  V(kYearOffset, kTaggedSize)       \
-  V(kMonthOffset, kTaggedSize)      \
-  V(kDayOffset, kTaggedSize)        \
-  V(kWeekdayOffset, kTaggedSize)    \
-  V(kHourOffset, kTaggedSize)       \
-  V(kMinOffset, kTaggedSize)        \
-  V(kSecOffset, kTaggedSize)        \
-  V(kCacheStampOffset, kTaggedSize) \
-  /* Header size. */                \
-  V(kSize, 0)
-
-  DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize, JS_DATE_FIELDS)
-#undef JS_DATE_FIELDS
+  DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize,
+                                TORQUE_GENERATED_JSDATE_FIELDS)
 
  private:
   inline Object DoGetField(FieldIndex index);
@@ -1428,16 +1404,8 @@ class JSAsyncFromSyncIterator : public JSObject {
   // subsequent "next" invocations.
   DECL_ACCESSORS(next, Object)
 
-  // Layout description.
-#define JS_ASYNC_FROM_SYNC_ITERATOR_FIELDS(V) \
-  V(kSyncIteratorOffset, kTaggedSize)         \
-  V(kNextOffset, kTaggedSize)                 \
-  /* Total size. */                           \
-  V(kSize, 0)
-
-  DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize,
-                                JS_ASYNC_FROM_SYNC_ITERATOR_FIELDS)
-#undef JS_ASYNC_FROM_SYNC_ITERATOR_FIELDS
+  DEFINE_FIELD_OFFSET_CONSTANTS(
+      JSObject::kHeaderSize, TORQUE_GENERATED_JSASYNC_FROM_SYNC_ITERATOR_FIELDS)
 
   OBJECT_CONSTRUCTORS(JSAsyncFromSyncIterator, JSObject);
 };
@@ -1457,16 +1425,8 @@ class JSStringIterator : public JSObject {
   inline int index() const;
   inline void set_index(int value);
 
-  // Layout description.
-#define JS_STRING_ITERATOR_FIELDS(V) \
-  V(kStringOffset, kTaggedSize)      \
-  V(kNextIndexOffset, kTaggedSize)   \
-  /* Total size. */                  \
-  V(kSize, 0)
-
   DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize,
-                                JS_STRING_ITERATOR_FIELDS)
-#undef JS_STRING_ITERATOR_FIELDS
+                                TORQUE_GENERATED_JSSTRING_ITERATOR_FIELDS)
 
   OBJECT_CONSTRUCTORS(JSStringIterator, JSObject);
 };