1 files changed, 121 insertions, 0 deletions
diff --git a/deps/v8/src/objects/js-list-format.h b/deps/v8/src/objects/js-list-format.h
new file mode 100644
index 00000000000..22f8d20005c
--- /dev/null
+++ b/deps/v8/src/objects/js-list-format.h
@@ -0,0 +1,121 @@
+// 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_LIST_FORMAT_H_
+#define V8_OBJECTS_JS_LIST_FORMAT_H_
+
+#include "src/heap/factory.h"
+#include "src/isolate.h"
+#include "src/objects.h"
+#include "unicode/uversion.h"
+
+// Has to be the last include (doesn't have include guards):
+#include "src/objects/object-macros.h"
+
+namespace U_ICU_NAMESPACE {
+class ListFormatter;
+}
+
+namespace v8 {
+namespace internal {
+
+class JSListFormat : public JSObject {
+ public:
+  // Initializes relative time format object with properties derived from input
+  // locales and options.
+  static MaybeHandle<JSListFormat> InitializeListFormat(
+      Isolate* isolate, Handle<JSListFormat> list_format_holder,
+      Handle<Object> locales, Handle<Object> options);
+
+  static Handle<JSObject> ResolvedOptions(Isolate* isolate,
+                                          Handle<JSListFormat> format_holder);
+
+  // Unpacks formatter object from corresponding JavaScript object.
+  static icu::ListFormatter* UnpackFormatter(
+      Isolate* isolate, Handle<JSListFormat> list_format_holder);
+
+  // ecma402 #sec-formatlist
+  V8_WARN_UNUSED_RESULT static MaybeHandle<String> FormatList(
+      Isolate* isolate, Handle<JSListFormat> format_holder,
+      Handle<JSArray> list);
+
+  // ecma42 #sec-formatlisttoparts
+  V8_WARN_UNUSED_RESULT static MaybeHandle<JSArray> FormatListToParts(
+      Isolate* isolate, Handle<JSListFormat> format_holder,
+      Handle<JSArray> list);
+
+  Handle<String> StyleAsString() const;
+  Handle<String> TypeAsString() const;
+
+  DECL_CAST(JSListFormat)
+
+  // ListFormat accessors.
+  DECL_ACCESSORS(locale, String)
+  DECL_ACCESSORS(formatter, Foreign)
+
+  // Style: identifying the relative time format style used.
+  //
+  // ecma402/#sec-properties-of-intl-listformat-instances
+  enum class Style {
+    LONG,    // Everything spelled out.
+    SHORT,   // Abbreviations used when possible.
+    NARROW,  // Use the shortest possible form.
+    COUNT
+  };
+  inline void set_style(Style style);
+  inline Style style() const;
+
+  // Type: identifying the list of types used.
+  //
+  // ecma402/#sec-properties-of-intl-listformat-instances
+  enum class Type {
+    CONJUNCTION,  // for "and"-based lists (e.g., "A, B and C")
+    DISJUNCTION,  // for "or"-based lists (e.g., "A, B or C"),
+    UNIT,  // for lists of values with units (e.g., "5 pounds, 12 ounces").
+    COUNT
+  };
+  inline void set_type(Type type);
+  inline Type type() const;
+
+// Bit positions in |flags|.
+#define FLAGS_BIT_FIELDS(V, _) \
+  V(StyleBits, Style, 2, _)    \
+  V(TypeBits, Type, 2, _)
+  DEFINE_BIT_FIELDS(FLAGS_BIT_FIELDS)
+#undef FLAGS_BIT_FIELDS
+
+  STATIC_ASSERT(Style::LONG <= StyleBits::kMax);
+  STATIC_ASSERT(Style::SHORT <= StyleBits::kMax);
+  STATIC_ASSERT(Style::NARROW <= StyleBits::kMax);
+  STATIC_ASSERT(Type::CONJUNCTION <= TypeBits::kMax);
+  STATIC_ASSERT(Type::DISJUNCTION <= TypeBits::kMax);
+  STATIC_ASSERT(Type::UNIT <= TypeBits::kMax);
+
+  // [flags] Bit field containing various flags about the function.
+  DECL_INT_ACCESSORS(flags)
+
+  DECL_PRINTER(JSListFormat)
+  DECL_VERIFIER(JSListFormat)
+
+  // Layout description.
+  static const int kJSListFormatOffset = JSObject::kHeaderSize;
+  static const int kLocaleOffset = kJSListFormatOffset + kPointerSize;
+  static const int kFormatterOffset = kLocaleOffset + kPointerSize;
+  static const int kFlagsOffset = kFormatterOffset + kPointerSize;
+  static const int kSize = kFlagsOffset + kPointerSize;
+
+ private:
+  DISALLOW_IMPLICIT_CONSTRUCTORS(JSListFormat);
+};
+
+}  // namespace internal
+}  // namespace v8
+
+#include "src/objects/object-macros-undef.h"
+
+#endif  // V8_OBJECTS_JS_LIST_FORMAT_H_