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// 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_PLURAL_RULES_H_
#define V8_OBJECTS_JS_PLURAL_RULES_H_
#include <set>
#include <string>
#include "src/execution/isolate.h"
#include "src/heap/factory.h"
#include "src/objects/intl-objects.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 U_ICU_NAMESPACE {
class PluralRules;
namespace number {
class LocalizedNumberFormatter;
} // namespace number
} // namespace U_ICU_NAMESPACE
namespace v8 {
namespace internal {
class JSPluralRules : public JSObject {
public:
V8_WARN_UNUSED_RESULT static MaybeHandle<JSPluralRules> New(
Isolate* isolate, Handle<Map> map, Handle<Object> locales,
Handle<Object> options);
static Handle<JSObject> ResolvedOptions(Isolate* isolate,
Handle<JSPluralRules> plural_rules);
V8_WARN_UNUSED_RESULT static MaybeHandle<String> ResolvePlural(
Isolate* isolate, Handle<JSPluralRules> plural_rules, double number);
V8_EXPORT_PRIVATE static const std::set<std::string>& GetAvailableLocales();
// [[Type]] is one of the values "cardinal" or "ordinal",
// identifying the plural rules used.
enum class Type { CARDINAL, ORDINAL };
inline void set_type(Type type);
inline Type type() const;
Handle<String> TypeAsString() const;
DECL_CAST(JSPluralRules)
DECL_PRINTER(JSPluralRules)
DECL_VERIFIER(JSPluralRules)
// Bit positions in |flags|.
#define FLAGS_BIT_FIELDS(V, _) V(TypeBits, Type, 1, _)
DEFINE_BIT_FIELDS(FLAGS_BIT_FIELDS)
#undef FLAGS_BIT_FIELDS
STATIC_ASSERT(Type::CARDINAL <= TypeBits::kMax);
STATIC_ASSERT(Type::ORDINAL <= TypeBits::kMax);
// Layout description.
DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize,
TORQUE_GENERATED_JS_PLURAL_RULES_FIELDS)
DECL_ACCESSORS(locale, String)
DECL_INT_ACCESSORS(flags)
DECL_ACCESSORS(icu_plural_rules, Managed<icu::PluralRules>)
DECL_ACCESSORS(icu_number_formatter,
Managed<icu::number::LocalizedNumberFormatter>)
OBJECT_CONSTRUCTORS(JSPluralRules, JSObject);
};
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_JS_PLURAL_RULES_H_
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