diff options
Diffstat (limited to 'deps/v8/src/objects/intl-objects.h')
| -rw-r--r-- | deps/v8/src/objects/intl-objects.h | 276 |
1 files changed, 39 insertions, 237 deletions
diff --git a/deps/v8/src/objects/intl-objects.h b/deps/v8/src/objects/intl-objects.h index 38d11772a4..fd2842ebbb 100644 --- a/deps/v8/src/objects/intl-objects.h +++ b/deps/v8/src/objects/intl-objects.h @@ -20,10 +20,7 @@ #include "unicode/uversion.h" namespace U_ICU_NAMESPACE { -class BreakIterator; -class Collator; class DecimalFormat; -class PluralRules; class SimpleDateFormat; class UnicodeString; } @@ -33,191 +30,7 @@ namespace internal { template <typename T> class Handle; - -class DateFormat { - public: - // Create a formatter for the specificied locale and options. Returns the - // resolved settings for the locale / options. - static icu::SimpleDateFormat* InitializeDateTimeFormat( - Isolate* isolate, Handle<String> locale, Handle<JSObject> options, - Handle<JSObject> resolved); - - // Unpacks date format object from corresponding JavaScript object. - static icu::SimpleDateFormat* UnpackDateFormat(Handle<JSObject> obj); - - // Release memory we allocated for the DateFormat once the JS object that - // holds the pointer gets garbage collected. - static void DeleteDateFormat(const v8::WeakCallbackInfo<void>& data); - - // ecma402/#sec-formatdatetime - // FormatDateTime( dateTimeFormat, x ) - V8_WARN_UNUSED_RESULT static MaybeHandle<String> FormatDateTime( - Isolate* isolate, Handle<JSObject> date_time_format_holder, double x); - - // ecma402/#sec-datetime-format-functions - // DateTime Format Functions - V8_WARN_UNUSED_RESULT static MaybeHandle<String> DateTimeFormat( - Isolate* isolate, Handle<JSObject> date_time_format_holder, - Handle<Object> date); - - // The UnwrapDateTimeFormat abstract operation gets the underlying - // DateTimeFormat operation for various methods which implement ECMA-402 v1 - // semantics for supporting initializing existing Intl objects. - // - // ecma402/#sec-unwrapdatetimeformat - V8_WARN_UNUSED_RESULT static MaybeHandle<JSObject> Unwrap( - Isolate* isolate, Handle<JSReceiver> receiver, const char* method_name); - - // ecma-402/#sec-todatetimeoptions - V8_WARN_UNUSED_RESULT static MaybeHandle<JSObject> ToDateTimeOptions( - Isolate* isolate, Handle<Object> input_options, const char* required, - const char* defaults); - - V8_WARN_UNUSED_RESULT static MaybeHandle<String> ToLocaleDateTime( - Isolate* isolate, Handle<Object> date, Handle<Object> locales, - Handle<Object> options, const char* required, const char* defaults, - const char* service); - - // Layout description. -#define DATE_FORMAT_FIELDS(V) \ - V(kSimpleDateFormat, kPointerSize) \ - V(kBoundFormat, kPointerSize) \ - V(kSize, 0) - - DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize, DATE_FORMAT_FIELDS) -#undef DATE_FORMAT_FIELDS - - // ContextSlot defines the context structure for the bound - // DateTimeFormat.prototype.format function - enum ContextSlot { - kDateFormat = Context::MIN_CONTEXT_SLOTS, - - kLength - }; - - // TODO(ryzokuken): Remove this and use regular accessors once DateFormat is a - // subclass of JSObject - // - // This needs to be consistent with the above Layout Description - static const int kSimpleDateFormatIndex = 0; - static const int kBoundFormatIndex = 1; - - private: - DateFormat(); -}; - -class NumberFormat { - public: - // Create a formatter for the specificied locale and options. Returns the - // resolved settings for the locale / options. - static icu::DecimalFormat* InitializeNumberFormat(Isolate* isolate, - Handle<String> locale, - Handle<JSObject> options, - Handle<JSObject> resolved); - - // Unpacks number format object from corresponding JavaScript object. - static icu::DecimalFormat* UnpackNumberFormat(Handle<JSObject> obj); - - // Release memory we allocated for the NumberFormat once the JS object that - // holds the pointer gets garbage collected. - static void DeleteNumberFormat(const v8::WeakCallbackInfo<void>& data); - - // The UnwrapNumberFormat abstract operation gets the underlying - // NumberFormat operation for various methods which implement - // ECMA-402 v1 semantics for supporting initializing existing Intl - // objects. - // - // ecma402/#sec-unwrapnumberformat - static MaybeHandle<JSObject> Unwrap(Isolate* isolate, - Handle<JSReceiver> receiver, - const char* method_name); - - // ecm402/#sec-formatnumber - static MaybeHandle<String> FormatNumber(Isolate* isolate, - Handle<JSObject> number_format_holder, - double value); - - // Layout description. -#define NUMBER_FORMAT_FIELDS(V) \ - /* Pointer fields. */ \ - V(kDecimalFormat, kPointerSize) \ - V(kBoundFormat, kPointerSize) \ - V(kSize, 0) - - DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize, NUMBER_FORMAT_FIELDS) -#undef NUMBER_FORMAT_FIELDS - - // ContextSlot defines the context structure for the bound - // NumberFormat.prototype.format function. - enum ContextSlot { - // The number format instance that the function holding this - // context is bound to. - kNumberFormat = Context::MIN_CONTEXT_SLOTS, - - kLength - }; - - // TODO(gsathya): Remove this and use regular accessors once - // NumberFormat is a sub class of JSObject. - // - // This needs to be consistent with the above LayoutDescription. - static const int kDecimalFormatIndex = 0; - static const int kBoundFormatIndex = 1; - - private: - NumberFormat(); -}; - -class V8BreakIterator { - public: - // Create a BreakIterator for the specificied locale and options. Returns the - // resolved settings for the locale / options. - static icu::BreakIterator* InitializeBreakIterator(Isolate* isolate, - Handle<String> locale, - Handle<JSObject> options, - Handle<JSObject> resolved); - - // Unpacks break iterator object from corresponding JavaScript object. - static icu::BreakIterator* UnpackBreakIterator(Handle<JSObject> obj); - - // Release memory we allocated for the BreakIterator once the JS object that - // holds the pointer gets garbage collected. - static void DeleteBreakIterator(const v8::WeakCallbackInfo<void>& data); - - static void AdoptText(Isolate* isolate, - Handle<JSObject> break_iterator_holder, - Handle<String> text); - - // Layout description. -#define BREAK_ITERATOR_FIELDS(V) \ - /* Pointer fields. */ \ - V(kBreakIterator, kPointerSize) \ - V(kUnicodeString, kPointerSize) \ - V(kBoundAdoptText, kPointerSize) \ - V(kSize, 0) - - DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize, BREAK_ITERATOR_FIELDS) -#undef BREAK_ITERATOR_FIELDS - - // ContextSlot defines the context structure for the bound - // v8BreakIterator.prototype.adoptText function - enum class ContextSlot { - kV8BreakIterator = Context::MIN_CONTEXT_SLOTS, - - kLength - }; - - // TODO(ryzokuken): Remove this and use regular accessors once v8BreakIterator - // is a subclass of JSObject - // - // This needs to be consistent with the above Layour Description - static const int kBreakIteratorIndex = 0; - static const int kUnicodeStringIndex = 1; - static const int kBoundAdoptTextIndex = 2; - - private: - V8BreakIterator(); -}; +class JSCollator; class Intl { public: @@ -232,6 +45,11 @@ class Intl { kTypeCount }; + enum class BoundFunctionContextSlot { + kBoundFunction = Context::MIN_CONTEXT_SLOTS, + kLength + }; + inline static Intl::Type TypeFromInt(int type); inline static Intl::Type TypeFromSmi(Smi* type); @@ -243,41 +61,27 @@ class Intl { static bool IsObjectOfType(Isolate* isolate, Handle<Object> object, Intl::Type expected_type); - static IcuService StringToIcuService(Handle<String> service); - // Gets the ICU locales for a given service. If there is a locale with a // script tag then the locales also include a locale without the script; eg, // pa_Guru_IN (language=Panjabi, script=Gurmukhi, country-India) would include // pa_IN. - static std::set<std::string> GetAvailableLocales(const IcuService& service); + static std::set<std::string> GetAvailableLocales(ICUService service); + + // Get the name of the numbering system from locale. + // ICU doesn't expose numbering system in any way, so we have to assume that + // for given locale NumberingSystem constructor produces the same digits as + // NumberFormat/Calendar would. + static std::string GetNumberingSystem(const icu::Locale& icu_locale); static V8_WARN_UNUSED_RESULT MaybeHandle<JSObject> AvailableLocalesOf( Isolate* isolate, Handle<String> service); - static MaybeHandle<JSObject> SupportedLocalesOf(Isolate* isolate, - Handle<String> service, - Handle<Object> locales_in, - Handle<Object> options_in); + static V8_WARN_UNUSED_RESULT MaybeHandle<JSObject> SupportedLocalesOf( + Isolate* isolate, ICUService service, Handle<Object> locales_in, + Handle<Object> options_in); static std::string DefaultLocale(Isolate* isolate); - static void DefineWEProperty(Isolate* isolate, Handle<JSObject> target, - Handle<Name> key, Handle<Object> value); - - // If locale has a script tag then return true and the locale without the - // script else return false and an empty string - static bool RemoveLocaleScriptTag(const std::string& icu_locale, - std::string* locale_less_script); - - // Returns the underlying Intl receiver for various methods which - // implement ECMA-402 v1 semantics for supporting initializing - // existing Intl objects. - V8_WARN_UNUSED_RESULT static MaybeHandle<JSObject> UnwrapReceiver( - Isolate* isolate, Handle<JSReceiver> receiver, - Handle<JSFunction> constructor, Intl::Type type, - Handle<String> method_name /* TODO(gsathya): Make this char const* */, - bool check_legacy_constructor = false); - // The ResolveLocale abstract operation compares a BCP 47 language // priority list requestedLocales against the locales in // availableLocales and determines the best available language to @@ -355,22 +159,10 @@ class Intl { Isolate* isolate, Handle<Object> locales, bool only_return_one_result = false); - // ecma-402/#sec-currencydigits - // The currency is expected to an all upper case string value. - static Handle<Smi> CurrencyDigits(Isolate* isolate, Handle<String> currency); - - // TODO(ftang): Remove this and use ICU to the conversion in the future - static void ParseExtension(Isolate* isolate, const std::string& extension, - std::map<std::string, std::string>& out); - V8_WARN_UNUSED_RESULT static MaybeHandle<JSObject> CreateNumberFormat( Isolate* isolate, Handle<String> locale, Handle<JSObject> options, Handle<JSObject> resolved); - // ecma402/#sec-iswellformedcurrencycode - static bool IsWellFormedCurrencyCode(Isolate* isolate, - Handle<String> currency); - // For locale sensitive functions V8_WARN_UNUSED_RESULT static MaybeHandle<String> StringLocaleConvertCase( Isolate* isolate, Handle<String> s, bool is_upper, @@ -389,19 +181,6 @@ class Intl { Isolate* isolate, Handle<Object> num, Handle<Object> locales, Handle<Object> options); - // ecma402/#sec-defaultnumberoption - V8_WARN_UNUSED_RESULT static Maybe<int> DefaultNumberOption( - Isolate* isolate, Handle<Object> value, int min, int max, int fallback, - Handle<String> property); - - // ecma402/#sec-getnumberoption - V8_WARN_UNUSED_RESULT static Maybe<int> GetNumberOption( - Isolate* isolate, Handle<JSReceiver> options, Handle<String> property, - int min, int max, int fallback); - V8_WARN_UNUSED_RESULT static Maybe<int> GetNumberOption( - Isolate* isolate, Handle<JSReceiver> options, const char* property, - int min, int max, int fallback); - // ecma402/#sec-setnfdigitoptions V8_WARN_UNUSED_RESULT static Maybe<bool> SetNumberFormatDigitOptions( Isolate* isolate, icu::DecimalFormat* number_format, @@ -434,6 +213,29 @@ class Intl { Handle<String> field_type_string, Handle<String> value, Handle<String> additional_property_name, Handle<String> additional_property_value); + + // A helper function to help handle Unicode Extensions in locale. + static std::map<std::string, std::string> LookupUnicodeExtensions( + const icu::Locale& icu_locale, const std::set<std::string>& relevant_keys); + + // In ECMA 402 v1, Intl constructors supported a mode of operation + // where calling them with an existing object as a receiver would + // transform the receiver into the relevant Intl instance with all + // internal slots. In ECMA 402 v2, this capability was removed, to + // avoid adding internal slots on existing objects. In ECMA 402 v3, + // the capability was re-added as "normative optional" in a mode + // which chains the underlying Intl instance on any object, when the + // constructor is called + // + // See ecma402/#legacy-constructor. + V8_WARN_UNUSED_RESULT static MaybeHandle<Object> LegacyUnwrapReceiver( + Isolate* isolate, Handle<JSReceiver> receiver, + Handle<JSFunction> constructor, bool has_initialized_slot); + + // A factory method to got cached objects. + V8_WARN_UNUSED_RESULT static MaybeHandle<JSObject> CachedOrNewService( + Isolate* isolate, Handle<String> service, Handle<Object> locales, + Handle<Object> options, Handle<Object> internal_options); }; } // namespace internal |