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-rw-r--r--js/src/builtin/Intl.cpp381
-rw-r--r--js/src/builtin/Intl.h54
-rw-r--r--js/src/js.msg2
-rw-r--r--js/src/shell/js.cpp1
-rw-r--r--js/src/tests/Intl/getDisplayNames.js238
-rw-r--r--js/src/vm/SelfHosting.cpp1
6 files changed, 677 insertions, 0 deletions
diff --git a/js/src/builtin/Intl.cpp b/js/src/builtin/Intl.cpp
index 3a20c487b..cd808cb10 100644
--- a/js/src/builtin/Intl.cpp
+++ b/js/src/builtin/Intl.cpp
@@ -102,6 +102,18 @@ Char16ToUChar(char16_t* chars)
MOZ_CRASH("Char16ToUChar: Intl API disabled");
}
+inline char16_t*
+UCharToChar16(UChar* chars)
+{
+ MOZ_CRASH("UCharToChar16: Intl API disabled");
+}
+
+inline const char16_t*
+UCharToChar16(const UChar* chars)
+{
+ MOZ_CRASH("UCharToChar16: Intl API disabled");
+}
+
static int32_t
u_strlen(const UChar* s)
{
@@ -356,6 +368,27 @@ enum UCalendarDateFields {
UCAL_DAY_OF_MONTH = UCAL_DATE
};
+enum UCalendarMonths {
+ UCAL_JANUARY,
+ UCAL_FEBRUARY,
+ UCAL_MARCH,
+ UCAL_APRIL,
+ UCAL_MAY,
+ UCAL_JUNE,
+ UCAL_JULY,
+ UCAL_AUGUST,
+ UCAL_SEPTEMBER,
+ UCAL_OCTOBER,
+ UCAL_NOVEMBER,
+ UCAL_DECEMBER,
+ UCAL_UNDECIMBER
+};
+
+enum UCalendarAMPMs {
+ UCAL_AM,
+ UCAL_PM
+};
+
static UCalendar*
ucal_open(const UChar* zoneID, int32_t len, const char* locale,
UCalendarType type, UErrorCode* status)
@@ -420,6 +453,13 @@ ucal_getDefaultTimeZone(UChar* result, int32_t resultCapacity, UErrorCode* statu
MOZ_CRASH("ucal_getDefaultTimeZone: Intl API disabled");
}
+enum UDateTimePatternField {
+ UDATPG_YEAR_FIELD,
+ UDATPG_MONTH_FIELD,
+ UDATPG_WEEK_OF_YEAR_FIELD,
+ UDATPG_DAY_FIELD,
+};
+
typedef void* UDateTimePatternGenerator;
static UDateTimePatternGenerator*
@@ -436,6 +476,14 @@ udatpg_getBestPattern(UDateTimePatternGenerator* dtpg, const UChar* skeleton,
MOZ_CRASH("udatpg_getBestPattern: Intl API disabled");
}
+static const UChar *
+udatpg_getAppendItemName(const UDateTimePatternGenerator *dtpg,
+ UDateTimePatternField field,
+ int32_t *pLength)
+{
+ MOZ_CRASH("udatpg_getAppendItemName: Intl API disabled");
+}
+
static void
udatpg_close(UDateTimePatternGenerator* dtpg)
{
@@ -488,10 +536,46 @@ enum UDateFormatField {
};
enum UDateFormatStyle {
+ UDAT_FULL,
+ UDAT_LONG,
+ UDAT_MEDIUM,
+ UDAT_SHORT,
+ UDAT_DEFAULT = UDAT_MEDIUM,
UDAT_PATTERN = -2,
UDAT_IGNORE = UDAT_PATTERN
};
+enum UDateFormatSymbolType {
+ UDAT_ERAS,
+ UDAT_MONTHS,
+ UDAT_SHORT_MONTHS,
+ UDAT_WEEKDAYS,
+ UDAT_SHORT_WEEKDAYS,
+ UDAT_AM_PMS,
+ UDAT_LOCALIZED_CHARS,
+ UDAT_ERA_NAMES,
+ UDAT_NARROW_MONTHS,
+ UDAT_NARROW_WEEKDAYS,
+ UDAT_STANDALONE_MONTHS,
+ UDAT_STANDALONE_SHORT_MONTHS,
+ UDAT_STANDALONE_NARROW_MONTHS,
+ UDAT_STANDALONE_WEEKDAYS,
+ UDAT_STANDALONE_SHORT_WEEKDAYS,
+ UDAT_STANDALONE_NARROW_WEEKDAYS,
+ UDAT_QUARTERS,
+ UDAT_SHORT_QUARTERS,
+ UDAT_STANDALONE_QUARTERS,
+ UDAT_STANDALONE_SHORT_QUARTERS,
+ UDAT_SHORTER_WEEKDAYS,
+ UDAT_STANDALONE_SHORTER_WEEKDAYS,
+ UDAT_CYCLIC_YEARS_WIDE,
+ UDAT_CYCLIC_YEARS_ABBREVIATED,
+ UDAT_CYCLIC_YEARS_NARROW,
+ UDAT_ZODIAC_NAMES_WIDE,
+ UDAT_ZODIAC_NAMES_ABBREVIATED,
+ UDAT_ZODIAC_NAMES_NARROW
+};
+
static int32_t
udat_countAvailable()
{
@@ -563,6 +647,13 @@ udat_close(UDateFormat* format)
MOZ_CRASH("udat_close: Intl API disabled");
}
+static int32_t
+udat_getSymbols(const UDateFormat *fmt, UDateFormatSymbolType type, int32_t symbolIndex,
+ UChar *result, int32_t resultLength, UErrorCode *status)
+{
+ MOZ_CRASH("udat_getSymbols: Intl API disabled");
+}
+
#endif
@@ -2921,6 +3012,296 @@ js::intl_GetCalendarInfo(JSContext* cx, unsigned argc, Value* vp)
return true;
}
+template<size_t N>
+inline bool
+MatchPart(const char** pattern, const char (&part)[N])
+{
+ if (strncmp(*pattern, part, N - 1))
+ return false;
+
+ *pattern += N - 1;
+ return true;
+}
+
+bool
+js::intl_ComputeDisplayNames(JSContext* cx, unsigned argc, Value* vp)
+{
+ CallArgs args = CallArgsFromVp(argc, vp);
+ MOZ_ASSERT(args.length() == 3);
+ // 1. Assert: locale is a string.
+ MOZ_ASSERT(args[0].isString());
+ // 2. Assert: style is a string.
+ MOZ_ASSERT(args[1].isString());
+ // 3. Assert: keys is an Array.
+ MOZ_ASSERT(args[2].isObject());
+
+ JSAutoByteString locale(cx, args[0].toString());
+ if (!locale)
+ return false;
+
+ JSAutoByteString style(cx, args[1].toString());
+ if (!style)
+ return false;
+
+ RootedArrayObject keys(cx, &args[2].toObject().as<ArrayObject>());
+ if (!keys)
+ return false;
+
+ // 4. Let result be ArrayCreate(0).
+ RootedArrayObject result(cx, NewDenseUnallocatedArray(cx, keys->length()));
+ if (!result)
+ return false;
+
+ UErrorCode status = U_ZERO_ERROR;
+
+ UDateFormat* fmt =
+ udat_open(UDAT_DEFAULT, UDAT_DEFAULT, icuLocale(locale.ptr()),
+ nullptr, 0, nullptr, 0, &status);
+ if (U_FAILURE(status)) {
+ JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
+ return false;
+ }
+ ScopedICUObject<UDateFormat, udat_close> datToClose(fmt);
+
+ // UDateTimePatternGenerator will be needed for translations of date and
+ // time fields like "month", "week", "day" etc.
+ UDateTimePatternGenerator* dtpg = udatpg_open(icuLocale(locale.ptr()), &status);
+ if (U_FAILURE(status)) {
+ JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
+ return false;
+ }
+ ScopedICUObject<UDateTimePatternGenerator, udatpg_close> datPgToClose(dtpg);
+
+ RootedValue keyValue(cx);
+ RootedString keyValStr(cx);
+ RootedValue wordVal(cx);
+ Vector<char16_t, INITIAL_CHAR_BUFFER_SIZE> chars(cx);
+ if (!chars.resize(INITIAL_CHAR_BUFFER_SIZE))
+ return false;
+
+ // 5. For each element of keys,
+ for (uint32_t i = 0; i < keys->length(); i++) {
+ /**
+ * We iterate over keys array looking for paths that we have code
+ * branches for.
+ *
+ * For any unknown path branch, the wordVal will keep NullValue and
+ * we'll throw at the end.
+ */
+
+ if (!GetElement(cx, keys, keys, i, &keyValue))
+ return false;
+
+ JSAutoByteString pattern;
+ keyValStr = keyValue.toString();
+ if (!pattern.encodeUtf8(cx, keyValStr))
+ return false;
+
+ wordVal.setNull();
+
+ // 5.a. Perform an implementation dependent algorithm to map a key to a
+ // corresponding display name.
+ const char* pat = pattern.ptr();
+
+ if (!MatchPart(&pat, "dates")) {
+ JS_ReportErrorNumberUTF8(cx, GetErrorMessage, nullptr, JSMSG_INVALID_KEY, pattern.ptr());
+ return false;
+ }
+
+ if (!MatchPart(&pat, "/")) {
+ JS_ReportErrorNumberUTF8(cx, GetErrorMessage, nullptr, JSMSG_INVALID_KEY, pattern.ptr());
+ return false;
+ }
+
+ if (MatchPart(&pat, "fields")) {
+ if (!MatchPart(&pat, "/")) {
+ JS_ReportErrorNumberUTF8(cx, GetErrorMessage, nullptr, JSMSG_INVALID_KEY, pattern.ptr());
+ return false;
+ }
+
+ UDateTimePatternField fieldType;
+
+ if (MatchPart(&pat, "year")) {
+ fieldType = UDATPG_YEAR_FIELD;
+ } else if (MatchPart(&pat, "month")) {
+ fieldType = UDATPG_MONTH_FIELD;
+ } else if (MatchPart(&pat, "week")) {
+ fieldType = UDATPG_WEEK_OF_YEAR_FIELD;
+ } else if (MatchPart(&pat, "day")) {
+ fieldType = UDATPG_DAY_FIELD;
+ } else {
+ JS_ReportErrorNumberUTF8(cx, GetErrorMessage, nullptr, JSMSG_INVALID_KEY, pattern.ptr());
+ return false;
+ }
+
+ // This part must be the final part with no trailing data.
+ if (*pat != '\0') {
+ JS_ReportErrorNumberUTF8(cx, GetErrorMessage, nullptr, JSMSG_INVALID_KEY, pattern.ptr());
+ return false;
+ }
+
+ int32_t resultSize;
+
+ const UChar* value = udatpg_getAppendItemName(dtpg, fieldType, &resultSize);
+ if (U_FAILURE(status)) {
+ JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
+ return false;
+ }
+
+ JSString* word = NewStringCopyN<CanGC>(cx, UCharToChar16(value), resultSize);
+ if (!word)
+ return false;
+
+ wordVal.setString(word);
+ } else if (MatchPart(&pat, "gregorian")) {
+ if (!MatchPart(&pat, "/")) {
+ JS_ReportErrorNumberUTF8(cx, GetErrorMessage, nullptr, JSMSG_INVALID_KEY, pattern.ptr());
+ return false;
+ }
+
+ UDateFormatSymbolType symbolType;
+ int32_t index;
+
+ if (MatchPart(&pat, "months")) {
+ if (!MatchPart(&pat, "/")) {
+ JS_ReportErrorNumberUTF8(cx, GetErrorMessage, nullptr, JSMSG_INVALID_KEY, pattern.ptr());
+ return false;
+ }
+
+ if (equal(style, "narrow")) {
+ symbolType = UDAT_STANDALONE_NARROW_MONTHS;
+ } else if (equal(style, "short")) {
+ symbolType = UDAT_STANDALONE_SHORT_MONTHS;
+ } else {
+ MOZ_ASSERT(equal(style, "long"));
+ symbolType = UDAT_STANDALONE_MONTHS;
+ }
+
+ if (MatchPart(&pat, "january")) {
+ index = UCAL_JANUARY;
+ } else if (MatchPart(&pat, "february")) {
+ index = UCAL_FEBRUARY;
+ } else if (MatchPart(&pat, "march")) {
+ index = UCAL_MARCH;
+ } else if (MatchPart(&pat, "april")) {
+ index = UCAL_APRIL;
+ } else if (MatchPart(&pat, "may")) {
+ index = UCAL_MAY;
+ } else if (MatchPart(&pat, "june")) {
+ index = UCAL_JUNE;
+ } else if (MatchPart(&pat, "july")) {
+ index = UCAL_JULY;
+ } else if (MatchPart(&pat, "august")) {
+ index = UCAL_AUGUST;
+ } else if (MatchPart(&pat, "september")) {
+ index = UCAL_SEPTEMBER;
+ } else if (MatchPart(&pat, "october")) {
+ index = UCAL_OCTOBER;
+ } else if (MatchPart(&pat, "november")) {
+ index = UCAL_NOVEMBER;
+ } else if (MatchPart(&pat, "december")) {
+ index = UCAL_DECEMBER;
+ } else {
+ JS_ReportErrorNumberUTF8(cx, GetErrorMessage, nullptr, JSMSG_INVALID_KEY, pattern.ptr());
+ return false;
+ }
+ } else if (MatchPart(&pat, "weekdays")) {
+ if (!MatchPart(&pat, "/")) {
+ JS_ReportErrorNumberUTF8(cx, GetErrorMessage, nullptr, JSMSG_INVALID_KEY, pattern.ptr());
+ return false;
+ }
+
+ if (equal(style, "narrow")) {
+ symbolType = UDAT_STANDALONE_NARROW_WEEKDAYS;
+ } else if (equal(style, "short")) {
+ symbolType = UDAT_STANDALONE_SHORT_WEEKDAYS;
+ } else {
+ MOZ_ASSERT(equal(style, "long"));
+ symbolType = UDAT_STANDALONE_WEEKDAYS;
+ }
+
+ if (MatchPart(&pat, "monday")) {
+ index = UCAL_MONDAY;
+ } else if (MatchPart(&pat, "tuesday")) {
+ index = UCAL_TUESDAY;
+ } else if (MatchPart(&pat, "wednesday")) {
+ index = UCAL_WEDNESDAY;
+ } else if (MatchPart(&pat, "thursday")) {
+ index = UCAL_THURSDAY;
+ } else if (MatchPart(&pat, "friday")) {
+ index = UCAL_FRIDAY;
+ } else if (MatchPart(&pat, "saturday")) {
+ index = UCAL_SATURDAY;
+ } else if (MatchPart(&pat, "sunday")) {
+ index = UCAL_SUNDAY;
+ } else {
+ JS_ReportErrorNumberUTF8(cx, GetErrorMessage, nullptr, JSMSG_INVALID_KEY, pattern.ptr());
+ return false;
+ }
+ } else if (MatchPart(&pat, "dayperiods")) {
+ if (!MatchPart(&pat, "/")) {
+ JS_ReportErrorNumberUTF8(cx, GetErrorMessage, nullptr, JSMSG_INVALID_KEY, pattern.ptr());
+ return false;
+ }
+
+ symbolType = UDAT_AM_PMS;
+
+ if (MatchPart(&pat, "am")) {
+ index = UCAL_AM;
+ } else if (MatchPart(&pat, "pm")) {
+ index = UCAL_PM;
+ } else {
+ JS_ReportErrorNumberUTF8(cx, GetErrorMessage, nullptr, JSMSG_INVALID_KEY, pattern.ptr());
+ return false;
+ }
+ } else {
+ JS_ReportErrorNumberUTF8(cx, GetErrorMessage, nullptr, JSMSG_INVALID_KEY, pattern.ptr());
+ return false;
+ }
+
+ // This part must be the final part with no trailing data.
+ if (*pat != '\0') {
+ JS_ReportErrorNumberUTF8(cx, GetErrorMessage, nullptr, JSMSG_INVALID_KEY, pattern.ptr());
+ return false;
+ }
+
+ int32_t resultSize =
+ udat_getSymbols(fmt, symbolType, index, Char16ToUChar(chars.begin()),
+ INITIAL_CHAR_BUFFER_SIZE, &status);
+ if (status == U_BUFFER_OVERFLOW_ERROR) {
+ if (!chars.resize(resultSize))
+ return false;
+ status = U_ZERO_ERROR;
+ udat_getSymbols(fmt, symbolType, index, Char16ToUChar(chars.begin()),
+ resultSize, &status);
+ }
+ if (U_FAILURE(status)) {
+ JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
+ return false;
+ }
+
+ JSString* word = NewStringCopyN<CanGC>(cx, chars.begin(), resultSize);
+ if (!word)
+ return false;
+
+ wordVal.setString(word);
+ } else {
+ JS_ReportErrorNumberUTF8(cx, GetErrorMessage, nullptr, JSMSG_INVALID_KEY, pattern.ptr());
+ return false;
+ }
+
+ MOZ_ASSERT(wordVal.isString());
+
+ // 5.b. Append the result string to result.
+ if (!DefineElement(cx, result, i, wordVal))
+ return false;
+ }
+
+ // 6. Return result.
+ args.rval().setObject(*result);
+ return true;
+}
+
/******************** Intl ********************/
const Class js::IntlClass = {
diff --git a/js/src/builtin/Intl.h b/js/src/builtin/Intl.h
index 54764605b..b2197060d 100644
--- a/js/src/builtin/Intl.h
+++ b/js/src/builtin/Intl.h
@@ -387,6 +387,48 @@ intl_FormatDateTime(JSContext* cx, unsigned argc, Value* vp);
extern MOZ_MUST_USE bool
intl_GetCalendarInfo(JSContext* cx, unsigned argc, Value* vp);
+/**
+ * Returns an Array with CLDR-based fields display names.
+ * The function takes three arguments:
+ *
+ * locale
+ * BCP47 compliant locale string
+ * style
+ * A string with values: long or short or narrow
+ * keys
+ * An array or path-like strings that identify keys to be returned
+ * At the moment the following types of keys are supported:
+ *
+ * 'dates/fields/{year|month|week|day}'
+ * 'dates/gregorian/months/{january|...|december}'
+ * 'dates/gregorian/weekdays/{sunday|...|saturday}'
+ * 'dates/gregorian/dayperiods/{am|pm}'
+ *
+ * Example:
+ *
+ * let info = intl_ComputeDisplayNames(
+ * 'en-US',
+ * 'long',
+ * [
+ * 'dates/fields/year',
+ * 'dates/gregorian/months/january',
+ * 'dates/gregorian/weekdays/monday',
+ * 'dates/gregorian/dayperiods/am',
+ * ]
+ * );
+ *
+ * Returned value:
+ *
+ * [
+ * 'year',
+ * 'January',
+ * 'Monday',
+ * 'AM'
+ * ]
+ */
+extern MOZ_MUST_USE bool
+intl_ComputeDisplayNames(JSContext* cx, unsigned argc, Value* vp);
+
#if ENABLE_INTL_API
/**
* Cast char16_t* strings to UChar* strings used by ICU.
@@ -402,6 +444,18 @@ Char16ToUChar(char16_t* chars)
{
return reinterpret_cast<UChar*>(chars);
}
+
+inline char16_t*
+UCharToChar16(UChar* chars)
+{
+ return reinterpret_cast<char16_t*>(chars);
+}
+
+inline const char16_t*
+UCharToChar16(const UChar* chars)
+{
+ return reinterpret_cast<const char16_t*>(chars);
+}
#endif // ENABLE_INTL_API
} // namespace js
diff --git a/js/src/js.msg b/js/src/js.msg
index 8d492f523..a276dab94 100644
--- a/js/src/js.msg
+++ b/js/src/js.msg
@@ -474,6 +474,8 @@ MSG_DEF(JSMSG_INTL_OBJECT_NOT_INITED, 3, JSEXN_TYPEERR, "Intl.{0}.prototype.{1}
MSG_DEF(JSMSG_INTL_OBJECT_REINITED, 0, JSEXN_TYPEERR, "can't initialize object twice as an object of an Intl constructor")
MSG_DEF(JSMSG_INVALID_CURRENCY_CODE, 1, JSEXN_RANGEERR, "invalid currency code in NumberFormat(): {0}")
MSG_DEF(JSMSG_INVALID_DIGITS_VALUE, 1, JSEXN_RANGEERR, "invalid digits value: {0}")
+MSG_DEF(JSMSG_INVALID_KEYS_TYPE, 0, JSEXN_TYPEERR, "calendar info keys must be an object or undefined")
+MSG_DEF(JSMSG_INVALID_KEY, 1, JSEXN_RANGEERR, "invalid key: {0}")
MSG_DEF(JSMSG_INVALID_LANGUAGE_TAG, 1, JSEXN_RANGEERR, "invalid language tag: {0}")
MSG_DEF(JSMSG_INVALID_LOCALES_ELEMENT, 0, JSEXN_TYPEERR, "invalid element in locales argument")
MSG_DEF(JSMSG_INVALID_LOCALE_MATCHER, 1, JSEXN_RANGEERR, "invalid locale matcher in supportedLocalesOf(): {0}")
diff --git a/js/src/shell/js.cpp b/js/src/shell/js.cpp
index cc68c90d5..8d69ca942 100644
--- a/js/src/shell/js.cpp
+++ b/js/src/shell/js.cpp
@@ -906,6 +906,7 @@ AddIntlExtras(JSContext* cx, unsigned argc, Value* vp)
static const JSFunctionSpec funcs[] = {
JS_SELF_HOSTED_FN("getCalendarInfo", "Intl_getCalendarInfo", 1, 0),
+ JS_SELF_HOSTED_FN("getDisplayNames", "Intl_getDisplayNames", 2, 0),
JS_FS_END
};
diff --git a/js/src/tests/Intl/getDisplayNames.js b/js/src/tests/Intl/getDisplayNames.js
new file mode 100644
index 000000000..ad2dbc940
--- /dev/null
+++ b/js/src/tests/Intl/getDisplayNames.js
@@ -0,0 +1,238 @@
+// |reftest| skip-if(!this.hasOwnProperty('Intl')||!this.hasOwnProperty('addIntlExtras'))
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Tests the getCalendarInfo function with a diverse set of arguments.
+
+/*
+ * Test if getDisplayNames return value matches expected values.
+ */
+function checkDisplayNames(names, expected)
+{
+ assertEq(Object.getPrototypeOf(names), Object.prototype);
+
+ assertEq(names.locale, expected.locale);
+ assertEq(names.style, expected.style);
+
+ const nameValues = names.values;
+ const expectedValues = expected.values;
+
+ const nameValuesKeys = Object.getOwnPropertyNames(nameValues).sort();
+ const expectedValuesKeys = Object.getOwnPropertyNames(expectedValues).sort();
+
+ assertEqArray(nameValuesKeys, expectedValuesKeys);
+
+ for (let key of expectedValuesKeys)
+ assertEq(nameValues[key], expectedValues[key]);
+}
+
+addIntlExtras(Intl);
+
+let gDN = Intl.getDisplayNames;
+
+assertEq(gDN.length, 2);
+
+checkDisplayNames(gDN('en-US', {
+}), {
+ locale: 'en-US',
+ style: 'long',
+ values: {}
+});
+
+checkDisplayNames(gDN('en-US', {
+ keys: [
+ 'dates/gregorian/weekdays/wednesday'
+ ],
+ style: 'narrow'
+}), {
+ locale: 'en-US',
+ style: 'narrow',
+ values: {
+ 'dates/gregorian/weekdays/wednesday': 'W'
+ }
+});
+
+checkDisplayNames(gDN('en-US', {
+ keys: [
+ 'dates/fields/year',
+ 'dates/fields/month',
+ 'dates/fields/week',
+ 'dates/fields/day',
+ 'dates/gregorian/months/january',
+ 'dates/gregorian/months/february',
+ 'dates/gregorian/months/march',
+ 'dates/gregorian/weekdays/tuesday'
+ ]
+}), {
+ locale: 'en-US',
+ style: 'long',
+ values: {
+ 'dates/fields/year': 'year',
+ 'dates/fields/month': 'month',
+ 'dates/fields/week': 'week',
+ 'dates/fields/day': 'day',
+ 'dates/gregorian/months/january': 'January',
+ 'dates/gregorian/months/february': 'February',
+ 'dates/gregorian/months/march': 'March',
+ 'dates/gregorian/weekdays/tuesday': 'Tuesday',
+ }
+});
+
+checkDisplayNames(gDN('fr', {
+ keys: [
+ 'dates/fields/year',
+ 'dates/fields/day',
+ 'dates/gregorian/months/october',
+ 'dates/gregorian/weekdays/saturday',
+ 'dates/gregorian/dayperiods/pm'
+ ]
+}), {
+ locale: 'fr',
+ style: 'long',
+ values: {
+ 'dates/fields/year': 'année',
+ 'dates/fields/day': 'jour',
+ 'dates/gregorian/months/october': 'octobre',
+ 'dates/gregorian/weekdays/saturday': 'samedi',
+ 'dates/gregorian/dayperiods/pm': 'PM'
+ }
+});
+
+checkDisplayNames(gDN('it', {
+ style: 'short',
+ keys: [
+ 'dates/gregorian/weekdays/thursday',
+ 'dates/gregorian/months/august',
+ 'dates/gregorian/dayperiods/am',
+ 'dates/fields/month',
+ ]
+}), {
+ locale: 'it',
+ style: 'short',
+ values: {
+ 'dates/gregorian/weekdays/thursday': 'gio',
+ 'dates/gregorian/months/august': 'ago',
+ 'dates/gregorian/dayperiods/am': 'AM',
+ 'dates/fields/month': 'mese'
+ }
+});
+
+checkDisplayNames(gDN('ar', {
+ style: 'long',
+ keys: [
+ 'dates/gregorian/weekdays/thursday',
+ 'dates/gregorian/months/august',
+ 'dates/gregorian/dayperiods/am',
+ 'dates/fields/month',
+ ]
+}), {
+ locale: 'ar',
+ style: 'long',
+ values: {
+ 'dates/gregorian/weekdays/thursday': 'الخميس',
+ 'dates/gregorian/months/august': 'أغسطس',
+ 'dates/gregorian/dayperiods/am': 'ص',
+ 'dates/fields/month': 'الشهر'
+ }
+});
+
+/* Invalid input */
+
+assertThrowsInstanceOf(() => {
+ gDN('en-US', {
+ style: '',
+ keys: [
+ 'dates/gregorian/weekdays/thursday',
+ ]
+ });
+}, RangeError);
+
+assertThrowsInstanceOf(() => {
+ gDN('en-US', {
+ style: 'bogus',
+ keys: [
+ 'dates/gregorian/weekdays/thursday',
+ ]
+ });
+}, RangeError);
+
+assertThrowsInstanceOf(() => {
+ gDN('foo-X', {
+ keys: [
+ 'dates/gregorian/weekdays/thursday',
+ ]
+ });
+}, RangeError);
+
+const typeErrorKeys = [
+ null,
+ 'string',
+ Symbol.iterator,
+ 15,
+ 1,
+ 3.7,
+ NaN,
+ Infinity
+];
+
+for (let keys of typeErrorKeys) {
+ assertThrowsInstanceOf(() => {
+ gDN('en-US', {
+ keys
+ });
+ }, TypeError);
+}
+
+const rangeErrorKeys = [
+ [''],
+ ['foo'],
+ ['dates/foo'],
+ ['/dates/foo'],
+ ['dates/foo/foo'],
+ ['dates/fields'],
+ ['dates/fields/'],
+ ['dates/fields/foo'],
+ ['dates/fields/foo/month'],
+ ['/dates/foo/faa/bar/baz'],
+ ['dates///bar/baz'],
+ ['dates/gregorian'],
+ ['dates/gregorian/'],
+ ['dates/gregorian/foo'],
+ ['dates/gregorian/months'],
+ ['dates/gregorian/months/foo'],
+ ['dates/gregorian/weekdays'],
+ ['dates/gregorian/weekdays/foo'],
+ ['dates/gregorian/dayperiods'],
+ ['dates/gregorian/dayperiods/foo'],
+ ['dates/gregorian/months/الشهر'],
+ [3],
+ [null],
+ ['d', 'a', 't', 'e', 's'],
+ ['datesEXTRA'],
+ ['dates/fieldsEXTRA'],
+ ['dates/gregorianEXTRA'],
+ ['dates/gregorian/monthsEXTRA'],
+ ['dates/gregorian/weekdaysEXTRA'],
+ ['dates/fields/dayperiods/amEXTRA'],
+ ['dates/gregori\u1161n/months/january'],
+ ["dates/fields/year/"],
+ ["dates/fields/month/"],
+ ["dates/fields/week/"],
+ ["dates/fields/day/"],
+ ["dates/gregorian/months/january/"],
+ ["dates/gregorian/weekdays/saturday/"],
+ ["dates/gregorian/dayperiods/am/"],
+ ["dates/fields/months/january/"],
+];
+
+for (let keys of rangeErrorKeys) {
+ assertThrowsInstanceOf(() => {
+ gDN('en-US', {
+ keys
+ });
+ }, RangeError);
+}
+
+if (typeof reportCompare === 'function')
+ reportCompare(0, 0);
diff --git a/js/src/vm/SelfHosting.cpp b/js/src/vm/SelfHosting.cpp
index bf49f2268..9a8ec7679 100644
--- a/js/src/vm/SelfHosting.cpp
+++ b/js/src/vm/SelfHosting.cpp
@@ -2477,6 +2477,7 @@ static const JSFunctionSpec intrinsic_functions[] = {
JS_FN("intl_FormatDateTime", intl_FormatDateTime, 2,0),
JS_FN("intl_FormatNumber", intl_FormatNumber, 2,0),
JS_FN("intl_GetCalendarInfo", intl_GetCalendarInfo, 1,0),
+ JS_FN("intl_ComputeDisplayNames", intl_ComputeDisplayNames, 3,0),
JS_FN("intl_IsValidTimeZoneName", intl_IsValidTimeZoneName, 1,0),
JS_FN("intl_NumberFormat", intl_NumberFormat, 2,0),
JS_FN("intl_NumberFormat_availableLocales", intl_NumberFormat_availableLocales, 0,0),