// 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 #include #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 New( Isolate* isolate, Handle map, Handle locales, Handle options); static Handle ResolvedOptions(Isolate* isolate, Handle plural_rules); V8_WARN_UNUSED_RESULT static MaybeHandle ResolvePlural( Isolate* isolate, Handle plural_rules, double number); V8_EXPORT_PRIVATE static const std::set& 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 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_JSPLURAL_RULES_FIELDS) DECL_ACCESSORS(locale, String) DECL_INT_ACCESSORS(flags) DECL_ACCESSORS(icu_plural_rules, Managed) DECL_ACCESSORS(icu_number_formatter, Managed) OBJECT_CONSTRUCTORS(JSPluralRules, JSObject); }; } // namespace internal } // namespace v8 #include "src/objects/object-macros-undef.h" #endif // V8_OBJECTS_JS_PLURAL_RULES_H_