1 files changed, 92 insertions, 0 deletions
diff --git a/deps/v8/src/objects/js-collator.h b/deps/v8/src/objects/js-collator.h
new file mode 100644
index 0000000000..b2751a446e
--- /dev/null
+++ b/deps/v8/src/objects/js-collator.h
@@ -0,0 +1,92 @@
+// Copyright 2018 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef V8_INTL_SUPPORT
+#error Internationalization is expected to be enabled.
+#endif  // V8_INTL_SUPPORT
+
+#ifndef V8_OBJECTS_JS_COLLATOR_H_
+#define V8_OBJECTS_JS_COLLATOR_H_
+
+#include "src/heap/factory.h"
+#include "src/isolate.h"
+#include "src/objects.h"
+#include "src/objects/intl-objects.h"
+#include "src/objects/managed.h"
+
+// Has to be the last include (doesn't have include guards):
+#include "src/objects/object-macros.h"
+
+namespace v8 {
+namespace internal {
+
+class JSCollator : public JSObject {
+ public:
+  // ecma402/#sec-initializecollator
+  V8_WARN_UNUSED_RESULT static MaybeHandle<JSCollator> InitializeCollator(
+      Isolate* isolate, Handle<JSCollator> collator, Handle<Object> locales,
+      Handle<Object> options);
+
+  // ecma402/#sec-intl.collator.prototype.resolvedoptions
+  static Handle<JSObject> ResolvedOptions(Isolate* isolate,
+                                          Handle<JSCollator> collator);
+
+  DECL_CAST(JSCollator)
+  DECL_PRINTER(JSCollator)
+  DECL_VERIFIER(JSCollator)
+
+  // [[Usage]] is one of the values "sort" or "search", identifying
+  // the collator usage.
+  enum class Usage {
+    SORT,
+    SEARCH,
+
+    COUNT
+  };
+  inline void set_usage(Usage usage);
+  inline Usage usage() const;
+  static const char* UsageToString(Usage usage);
+
+// Layout description.
+#define JS_COLLATOR_FIELDS(V)          \
+  V(kICUCollatorOffset, kPointerSize)  \
+  V(kFlagsOffset, kPointerSize)        \
+  V(kBoundCompareOffset, kPointerSize) \
+  /* Total size. */                    \
+  V(kSize, 0)
+
+  DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize, JS_COLLATOR_FIELDS)
+#undef JS_COLLATOR_FIELDS
+
+  // ContextSlot defines the context structure for the bound
+  // Collator.prototype.compare function.
+  enum ContextSlot {
+    // The collator instance that the function holding this context is bound to.
+    kCollator = Context::MIN_CONTEXT_SLOTS,
+    kLength
+  };
+
+// Bit positions in |flags|.
+#define FLAGS_BIT_FIELDS(V, _) V(UsageBits, Usage, 1, _)
+
+  DEFINE_BIT_FIELDS(FLAGS_BIT_FIELDS)
+#undef FLAGS_BIT_FIELDS
+
+  STATIC_ASSERT(Usage::SORT <= UsageBits::kMax);
+  STATIC_ASSERT(Usage::SEARCH <= UsageBits::kMax);
+
+  DECL_ACCESSORS(icu_collator, Managed<icu::Collator>)
+  DECL_ACCESSORS(bound_compare, Object);
+  DECL_INT_ACCESSORS(flags)
+
+ private:
+  DISALLOW_IMPLICIT_CONSTRUCTORS(JSCollator);
+};
+
+}  // namespace internal
+}  // namespace v8
+
+#include "src/objects/object-macros-undef.h"
+
+#endif  // V8_OBJECTS_JS_COLLATOR_H_