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// Copyright 2019 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_DISPLAY_NAMES_H_
#define V8_OBJECTS_JS_DISPLAY_NAMES_H_
#include <set>
#include <string>
#include "src/execution/isolate.h"
#include "src/heap/factory.h"
#include "src/objects/managed.h"
#include "src/objects/objects.h"
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
namespace v8 {
namespace internal {
class DisplayNamesInternal;
class JSDisplayNames : public JSObject {
public:
// Creates display names object with properties derived from input
// locales and options.
static MaybeHandle<JSDisplayNames> New(Isolate* isolate, Handle<Map> map,
Handle<Object> locales,
Handle<Object> options);
static Handle<JSObject> ResolvedOptions(Isolate* isolate,
Handle<JSDisplayNames> format_holder);
static MaybeHandle<Object> Of(Isolate* isolate, Handle<JSDisplayNames> holder,
Handle<Object> code_obj);
V8_EXPORT_PRIVATE static const std::set<std::string>& GetAvailableLocales();
Handle<String> StyleAsString() const;
Handle<String> FallbackAsString() const;
// Style: identifying the display names style used.
//
// ecma402/#sec-properties-of-intl-displaynames-instances
enum class Style {
kLong, // Everything spelled out.
kShort, // Abbreviations used when possible.
kNarrow // Use the shortest possible form.
};
inline void set_style(Style style);
inline Style style() const;
// Type: identifying the fallback of the display names.
//
// ecma402/#sec-properties-of-intl-displaynames-instances
enum class Fallback {
kCode,
kNone,
};
inline void set_fallback(Fallback fallback);
inline Fallback fallback() const;
DECL_CAST(JSDisplayNames)
// Bit positions in |flags|.
DEFINE_TORQUE_GENERATED_JS_DISPLAY_NAMES_FLAGS()
STATIC_ASSERT(Style::kLong <= StyleBits::kMax);
STATIC_ASSERT(Style::kShort <= StyleBits::kMax);
STATIC_ASSERT(Style::kNarrow <= StyleBits::kMax);
STATIC_ASSERT(Fallback::kCode <= FallbackBit::kMax);
STATIC_ASSERT(Fallback::kNone <= FallbackBit::kMax);
// [flags] Bit field containing various flags about the function.
DECL_INT_ACCESSORS(flags)
DECL_ACCESSORS(internal, Managed<DisplayNamesInternal>)
DECL_PRINTER(JSDisplayNames)
DECL_VERIFIER(JSDisplayNames)
// Layout description.
DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize,
TORQUE_GENERATED_JS_DISPLAY_NAMES_FIELDS)
OBJECT_CONSTRUCTORS(JSDisplayNames, JSObject);
};
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_JS_DISPLAY_NAMES_H_
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