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Unified Diff: src/i18n.js

Issue 1143993003: Use shared container to manage imports/exports. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 7 months ago
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Index: src/i18n.js
diff --git a/src/i18n.js b/src/i18n.js
index 81212b8476f6db1c223d2c5dd50334b74127c372..94fe7d653e9dd78352b2ccf7f120c52c484c093c 100644
--- a/src/i18n.js
+++ b/src/i18n.js
@@ -8,19 +8,28 @@
* Intl object is a single object that has some named properties,
* all of which are constructors.
*/
-(function(global, shared, exports) {
+(function(global, utils) {
"use strict";
%CheckIsBootstrapping();
+// -------------------------------------------------------------------
+// Imports
+
var GlobalBoolean = global.Boolean;
var GlobalDate = global.Date;
var GlobalNumber = global.Number;
var GlobalRegExp = global.RegExp;
var GlobalString = global.String;
-var undefined = global.undefined;
+var MathFloor;
+
+utils.Import(function(from) {
+ MathFloor = from.MathFloor;
+});
+
+// -------------------------------------------------------------------
var Intl = {};
@@ -30,24 +39,24 @@ var Intl = {};
* Caches available locales for each service.
*/
var AVAILABLE_LOCALES = {
- 'collator': undefined,
- 'numberformat': undefined,
- 'dateformat': undefined,
- 'breakiterator': undefined
+ 'collator': UNDEFINED,
+ 'numberformat': UNDEFINED,
+ 'dateformat': UNDEFINED,
+ 'breakiterator': UNDEFINED
};
/**
* Caches default ICU locale.
*/
-var DEFAULT_ICU_LOCALE = undefined;
+var DEFAULT_ICU_LOCALE = UNDEFINED;
/**
* Unicode extension regular expression.
*/
-var UNICODE_EXTENSION_RE = undefined;
+var UNICODE_EXTENSION_RE = UNDEFINED;
function GetUnicodeExtensionRE() {
- if (UNICODE_EXTENSION_RE === undefined) {
+ if (IS_UNDEFINED(UNDEFINED)) {
UNICODE_EXTENSION_RE = new GlobalRegExp('-u(-[a-z0-9]{2,8})+', 'g');
}
return UNICODE_EXTENSION_RE;
@@ -56,10 +65,10 @@ function GetUnicodeExtensionRE() {
/**
* Matches any Unicode extension.
*/
-var ANY_EXTENSION_RE = undefined;
+var ANY_EXTENSION_RE = UNDEFINED;
function GetAnyExtensionRE() {
- if (ANY_EXTENSION_RE === undefined) {
+ if (IS_UNDEFINED(ANY_EXTENSION_RE)) {
ANY_EXTENSION_RE = new GlobalRegExp('-[a-z0-9]{1}-.*', 'g');
}
return ANY_EXTENSION_RE;
@@ -68,10 +77,10 @@ function GetAnyExtensionRE() {
/**
* Replace quoted text (single quote, anything but the quote and quote again).
*/
-var QUOTED_STRING_RE = undefined;
+var QUOTED_STRING_RE = UNDEFINED;
function GetQuotedStringRE() {
- if (QUOTED_STRING_RE === undefined) {
+ if (IS_UNDEFINED(QUOTED_STRING_RE)) {
QUOTED_STRING_RE = new GlobalRegExp("'[^']+'", 'g');
}
return QUOTED_STRING_RE;
@@ -80,10 +89,10 @@ function GetQuotedStringRE() {
/**
* Matches valid service name.
*/
-var SERVICE_RE = undefined;
+var SERVICE_RE = UNDEFINED;
function GetServiceRE() {
- if (SERVICE_RE === undefined) {
+ if (IS_UNDEFINED(SERVICE_RE)) {
SERVICE_RE =
new GlobalRegExp('^(collator|numberformat|dateformat|breakiterator)$');
}
@@ -94,10 +103,10 @@ function GetServiceRE() {
* Validates a language tag against bcp47 spec.
* Actual value is assigned on first run.
*/
-var LANGUAGE_TAG_RE = undefined;
+var LANGUAGE_TAG_RE = UNDEFINED;
function GetLanguageTagRE() {
- if (LANGUAGE_TAG_RE === undefined) {
+ if (IS_UNDEFINED(LANGUAGE_TAG_RE)) {
BuildLanguageTagREs();
}
return LANGUAGE_TAG_RE;
@@ -106,10 +115,10 @@ function GetLanguageTagRE() {
/**
* Helps find duplicate variants in the language tag.
*/
-var LANGUAGE_VARIANT_RE = undefined;
+var LANGUAGE_VARIANT_RE = UNDEFINED;
function GetLanguageVariantRE() {
- if (LANGUAGE_VARIANT_RE === undefined) {
+ if (IS_UNDEFINED(LANGUAGE_VARIANT_RE)) {
BuildLanguageTagREs();
}
return LANGUAGE_VARIANT_RE;
@@ -118,10 +127,10 @@ function GetLanguageVariantRE() {
/**
* Helps find duplicate singletons in the language tag.
*/
-var LANGUAGE_SINGLETON_RE = undefined;
+var LANGUAGE_SINGLETON_RE = UNDEFINED;
function GetLanguageSingletonRE() {
- if (LANGUAGE_SINGLETON_RE === undefined) {
+ if (IS_UNDEFINED(LANGUAGE_SINGLETON_RE)) {
BuildLanguageTagREs();
}
return LANGUAGE_SINGLETON_RE;
@@ -130,10 +139,10 @@ function GetLanguageSingletonRE() {
/**
* Matches valid IANA time zone names.
*/
-var TIMEZONE_NAME_CHECK_RE = undefined;
+var TIMEZONE_NAME_CHECK_RE = UNDEFINED;
function GetTimezoneNameCheckRE() {
- if (TIMEZONE_NAME_CHECK_RE === undefined) {
+ if (IS_UNDEFINED(TIMEZONE_NAME_CHECK_RE)) {
TIMEZONE_NAME_CHECK_RE =
new GlobalRegExp('^([A-Za-z]+)/([A-Za-z]+)(?:_([A-Za-z]+))*$');
}
@@ -149,10 +158,10 @@ function addBoundMethod(obj, methodName, implementation, length) {
throw MakeTypeError(kMethodCalledOnWrongObject, methodName);
}
var internalName = '__bound' + methodName + '__';
- if (this[internalName] === undefined) {
+ if (IS_UNDEFINED(this[internalName])) {
var that = this;
var boundMethod;
- if (length === undefined || length === 2) {
+ if (IS_UNDEFINED(length) || length === 2) {
boundMethod = function(x, y) {
if (%_IsConstructCall()) {
throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
@@ -211,14 +220,14 @@ function supportedLocalesOf(service, locales, options) {
}
// Provide defaults if matcher was not specified.
- if (options === undefined) {
+ if (IS_UNDEFINED(options)) {
options = {};
} else {
options = $toObject(options);
}
var matcher = options.localeMatcher;
- if (matcher !== undefined) {
+ if (!IS_UNDEFINED(matcher)) {
matcher = GlobalString(matcher);
if (matcher !== 'lookup' && matcher !== 'best fit') {
throw MakeRangeError(kLocaleMatcher, matcher);
@@ -230,7 +239,7 @@ function supportedLocalesOf(service, locales, options) {
var requestedLocales = initializeLocaleList(locales);
// Cache these, they don't ever change per service.
- if (AVAILABLE_LOCALES[service] === undefined) {
+ if (IS_UNDEFINED(AVAILABLE_LOCALES[service])) {
AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service);
}
@@ -256,7 +265,7 @@ function lookupSupportedLocalesOf(requestedLocales, availableLocales) {
// Remove -u- extension.
var locale = requestedLocales[i].replace(GetUnicodeExtensionRE(), '');
do {
- if (availableLocales[locale] !== undefined) {
+ if (!IS_UNDEFINED(availableLocales[locale])) {
// Push requested locale not the resolved one.
matchedLocales.push(requestedLocales[i]);
break;
@@ -292,10 +301,10 @@ function bestFitSupportedLocalesOf(requestedLocales, availableLocales) {
* is out of range for that property it throws RangeError.
*/
function getGetOption(options, caller) {
- if (options === undefined) throw MakeError(kDefaultOptionsMissing, caller);
+ if (IS_UNDEFINED(options)) throw MakeError(kDefaultOptionsMissing, caller);
var getOption = function getOption(property, type, values, defaultValue) {
- if (options[property] !== undefined) {
+ if (!IS_UNDEFINED(options[property])) {
var value = options[property];
switch (type) {
case 'boolean':
@@ -310,7 +319,7 @@ function getGetOption(options, caller) {
default:
throw MakeError(kWrongValueType);
}
- if (values !== undefined && values.indexOf(value) === -1) {
+ if (!IS_UNDEFINED(values) && values.indexOf(value) === -1) {
throw MakeRangeError(kValueOutOfRange, value, caller, property);
}
@@ -364,7 +373,7 @@ function lookupMatcher(service, requestedLocales) {
}
// Cache these, they don't ever change per service.
- if (AVAILABLE_LOCALES[service] === undefined) {
+ if (IS_UNDEFINED(AVAILABLE_LOCALES[service])) {
AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service);
}
@@ -372,7 +381,7 @@ function lookupMatcher(service, requestedLocales) {
// Remove all extensions.
var locale = requestedLocales[i].replace(GetAnyExtensionRE(), '');
do {
- if (AVAILABLE_LOCALES[service][locale] !== undefined) {
+ if (!IS_UNDEFINED(AVAILABLE_LOCALES[service][locale])) {
// Return the resolved locale and extension.
var extensionMatch = requestedLocales[i].match(GetUnicodeExtensionRE());
var extension = IS_NULL(extensionMatch) ? '' : extensionMatch[0];
@@ -388,7 +397,7 @@ function lookupMatcher(service, requestedLocales) {
}
// Didn't find a match, return default.
- if (DEFAULT_ICU_LOCALE === undefined) {
+ if (IS_UNDEFINED(DEFAULT_ICU_LOCALE)) {
DEFAULT_ICU_LOCALE = %GetDefaultICULocale();
}
@@ -423,16 +432,16 @@ function parseExtension(extension) {
// Key is {2}alphanum, value is {3,8}alphanum.
// Some keys may not have explicit values (booleans).
var extensionMap = {};
- var previousKey = undefined;
+ var previousKey = UNDEFINED;
for (var i = 2; i < extensionSplit.length; ++i) {
var length = extensionSplit[i].length;
var element = extensionSplit[i];
if (length === 2) {
- extensionMap[element] = undefined;
+ extensionMap[element] = UNDEFINED;
previousKey = element;
- } else if (length >= 3 && length <=8 && previousKey !== undefined) {
+ } else if (length >= 3 && length <=8 && !IS_UNDEFINED(previousKey)) {
extensionMap[previousKey] = element;
- previousKey = undefined;
+ previousKey = UNDEFINED;
} else {
// There is a value that's too long, or that doesn't have a key.
return {};
@@ -465,21 +474,21 @@ function setOptions(inOptions, extensionMap, keyValues, getOption, outOptions) {
value = (value === 'true') ? true : false;
}
- if (property !== undefined) {
+ if (!IS_UNDEFINED(property)) {
defineWEProperty(outOptions, property, value);
}
}
for (var key in keyValues) {
if (keyValues.hasOwnProperty(key)) {
- var value = undefined;
+ var value = UNDEFINED;
var map = keyValues[key];
- if (map.property !== undefined) {
+ if (!IS_UNDEFINED(map.property)) {
// This may return true if user specifies numeric: 'false', since
// Boolean('nonempty') === true.
value = getOption(map.property, map.type, map.values);
}
- if (value !== undefined) {
+ if (!IS_UNDEFINED(value)) {
updateProperty(map.property, map.type, value);
extension += updateExtension(key, value);
continue;
@@ -489,7 +498,7 @@ function setOptions(inOptions, extensionMap, keyValues, getOption, outOptions) {
// values (not a user error).
if (extensionMap.hasOwnProperty(key)) {
value = extensionMap[key];
- if (value !== undefined) {
+ if (!IS_UNDEFINED(value)) {
updateProperty(map.property, map.type, value);
extension += updateExtension(key, value);
} else if (map.type === 'boolean') {
@@ -590,7 +599,7 @@ function defineWEProperty(object, property, value) {
* Sets configurable descriptor to false.
*/
function addWEPropertyIfDefined(object, property, value) {
- if (value !== undefined) {
+ if (!IS_UNDEFINED(value)) {
defineWEProperty(object, property, value);
}
}
@@ -612,7 +621,7 @@ function defineWECProperty(object, property, value) {
* Sets all descriptors to true.
*/
function addWECPropertyIfDefined(object, property, value) {
- if (value !== undefined) {
+ if (!IS_UNDEFINED(value)) {
defineWECProperty(object, property, value);
}
}
@@ -660,7 +669,7 @@ function canonicalizeLanguageTag(localeID) {
*/
function initializeLocaleList(locales) {
var seen = [];
- if (locales === undefined) {
+ if (IS_UNDEFINED(locales)) {
// Constructor is called without arguments.
seen = [];
} else {
@@ -793,7 +802,7 @@ function initializeCollator(collator, locales, options) {
throw MakeTypeError(kReinitializeIntl, "Collator");
}
- if (options === undefined) {
+ if (IS_UNDEFINED(options)) {
options = {};
}
@@ -806,13 +815,13 @@ function initializeCollator(collator, locales, options) {
var sensitivity = getOption('sensitivity', 'string',
['base', 'accent', 'case', 'variant']);
- if (sensitivity === undefined && internalOptions.usage === 'sort') {
+ if (IS_UNDEFINED(sensitivity) && internalOptions.usage === 'sort') {
sensitivity = 'variant';
}
defineWEProperty(internalOptions, 'sensitivity', sensitivity);
defineWEProperty(internalOptions, 'ignorePunctuation', getOption(
- 'ignorePunctuation', 'boolean', undefined, false));
+ 'ignorePunctuation', 'boolean', UNDEFINED, false));
var locale = resolveLocale('collator', locales, options);
@@ -998,12 +1007,12 @@ function isWellFormedCurrencyCode(currency) {
*/
function getNumberOption(options, property, min, max, fallback) {
var value = options[property];
- if (value !== undefined) {
+ if (!IS_UNDEFINED(value)) {
value = GlobalNumber(value);
if ($isNaN(value) || value < min || value > max) {
throw MakeRangeError(kPropertyValueOutOfRange, property);
}
- return $floor(value);
+ return MathFloor(value);
}
return fallback;
@@ -1019,7 +1028,7 @@ function initializeNumberFormat(numberFormat, locales, options) {
throw MakeTypeError(kReinitializeIntl, "NumberFormat");
}
- if (options === undefined) {
+ if (IS_UNDEFINED(options)) {
options = {};
}
@@ -1032,11 +1041,11 @@ function initializeNumberFormat(numberFormat, locales, options) {
'style', 'string', ['decimal', 'percent', 'currency'], 'decimal'));
var currency = getOption('currency', 'string');
- if (currency !== undefined && !isWellFormedCurrencyCode(currency)) {
+ if (!IS_UNDEFINED(currency) && !isWellFormedCurrencyCode(currency)) {
throw MakeRangeError(kInvalidCurrencyCode, currency);
}
- if (internalOptions.style === 'currency' && currency === undefined) {
+ if (internalOptions.style === 'currency' && IS_UNDEFINED(currency)) {
throw MakeTypeError(kCurrencyCode);
}
@@ -1059,7 +1068,7 @@ function initializeNumberFormat(numberFormat, locales, options) {
var mnsd = options['minimumSignificantDigits'];
var mxsd = options['maximumSignificantDigits'];
- if (mnsd !== undefined || mxsd !== undefined) {
+ if (!IS_UNDEFINED(mnsd) || !IS_UNDEFINED(mxsd)) {
mnsd = getNumberOption(options, 'minimumSignificantDigits', 1, 21, 0);
defineWEProperty(internalOptions, 'minimumSignificantDigits', mnsd);
@@ -1069,7 +1078,7 @@ function initializeNumberFormat(numberFormat, locales, options) {
// Grouping.
defineWEProperty(internalOptions, 'useGrouping', getOption(
- 'useGrouping', 'boolean', undefined, true));
+ 'useGrouping', 'boolean', UNDEFINED, true));
// ICU prefers options to be passed using -u- extension key/values for
// number format, so we need to build that.
@@ -1080,7 +1089,7 @@ function initializeNumberFormat(numberFormat, locales, options) {
* for a number format.
*/
var NUMBER_FORMAT_KEY_MAP = {
- 'nu': {'property': undefined, 'type': 'string'}
+ 'nu': {'property': UNDEFINED, 'type': 'string'}
};
var extension = setOptions(options, extensionMap, NUMBER_FORMAT_KEY_MAP,
@@ -1100,10 +1109,10 @@ function initializeNumberFormat(numberFormat, locales, options) {
useGrouping: {writable: true}
});
if (internalOptions.hasOwnProperty('minimumSignificantDigits')) {
- defineWEProperty(resolved, 'minimumSignificantDigits', undefined);
+ defineWEProperty(resolved, 'minimumSignificantDigits', UNDEFINED);
}
if (internalOptions.hasOwnProperty('maximumSignificantDigits')) {
- defineWEProperty(resolved, 'maximumSignificantDigits', undefined);
+ defineWEProperty(resolved, 'maximumSignificantDigits', UNDEFINED);
}
var formatter = %CreateNumberFormat(requestedLocale,
internalOptions,
@@ -1272,7 +1281,7 @@ function toLDMLString(options) {
var hr12 = getOption('hour12', 'boolean');
option = getOption('hour', 'string', ['2-digit', 'numeric']);
- if (hr12 === undefined) {
+ if (IS_UNDEFINED(hr12)) {
ldmlString += appendToLDMLString(option, {'2-digit': 'jj', 'numeric': 'j'});
} else if (hr12 === true) {
ldmlString += appendToLDMLString(option, {'2-digit': 'hh', 'numeric': 'h'});
@@ -1297,7 +1306,7 @@ function toLDMLString(options) {
* Returns either LDML equivalent of the current option or empty string.
*/
function appendToLDMLString(option, pairs) {
- if (option !== undefined) {
+ if (!IS_UNDEFINED(option)) {
return pairs[option];
} else {
return '';
@@ -1371,7 +1380,7 @@ function fromLDMLString(ldmlString) {
function appendToDateTimeObject(options, option, match, pairs) {
if (IS_NULL(match)) {
if (!options.hasOwnProperty(option)) {
- defineWEProperty(options, option, undefined);
+ defineWEProperty(options, option, UNDEFINED);
}
return options;
}
@@ -1387,7 +1396,7 @@ function appendToDateTimeObject(options, option, match, pairs) {
* Returns options with at least default values in it.
*/
function toDateTimeOptions(options, required, defaults) {
- if (options === undefined) {
+ if (IS_UNDEFINED(options)) {
options = {};
} else {
options = TO_OBJECT_INLINE(options);
@@ -1395,14 +1404,14 @@ function toDateTimeOptions(options, required, defaults) {
var needsDefault = true;
if ((required === 'date' || required === 'any') &&
- (options.weekday !== undefined || options.year !== undefined ||
- options.month !== undefined || options.day !== undefined)) {
+ (!IS_UNDEFINED(options.weekday) || !IS_UNDEFINED(options.year) ||
+ !IS_UNDEFINED(options.month) || !IS_UNDEFINED(options.day))) {
needsDefault = false;
}
if ((required === 'time' || required === 'any') &&
- (options.hour !== undefined || options.minute !== undefined ||
- options.second !== undefined)) {
+ (!IS_UNDEFINED(options.hour) || !IS_UNDEFINED(options.minute) ||
+ !IS_UNDEFINED(options.second))) {
needsDefault = false;
}
@@ -1450,7 +1459,7 @@ function initializeDateTimeFormat(dateFormat, locales, options) {
throw MakeTypeError(kReinitializeIntl, "DateTimeFormat");
}
- if (options === undefined) {
+ if (IS_UNDEFINED(options)) {
options = {};
}
@@ -1483,8 +1492,8 @@ function initializeDateTimeFormat(dateFormat, locales, options) {
* for a date/time format.
*/
var DATETIME_FORMAT_KEY_MAP = {
- 'ca': {'property': undefined, 'type': 'string'},
- 'nu': {'property': undefined, 'type': 'string'}
+ 'ca': {'property': UNDEFINED, 'type': 'string'},
+ 'nu': {'property': UNDEFINED, 'type': 'string'}
};
var extension = setOptions(options, extensionMap, DATETIME_FORMAT_KEY_MAP,
@@ -1514,7 +1523,7 @@ function initializeDateTimeFormat(dateFormat, locales, options) {
var formatter = %CreateDateTimeFormat(
requestedLocale, {skeleton: ldmlString, timeZone: tz}, resolved);
- if (tz !== undefined && tz !== resolved.timeZone) {
+ if (!IS_UNDEFINED(tz) && tz !== resolved.timeZone) {
throw MakeRangeError(kUnsupportedTimeZone, tz);
}
@@ -1580,7 +1589,7 @@ function initializeDateTimeFormat(dateFormat, locales, options) {
var format = this;
var fromPattern = fromLDMLString(format.resolved.pattern);
var userCalendar = ICU_CALENDAR_MAP[format.resolved.calendar];
- if (userCalendar === undefined) {
+ if (IS_UNDEFINED(userCalendar)) {
// Use ICU name if we don't have a match. It shouldn't happen, but
// it would be too strict to throw for this.
userCalendar = format.resolved.calendar;
@@ -1644,7 +1653,7 @@ $setFunctionName(Intl.DateTimeFormat.supportedLocalesOf, 'supportedLocalesOf');
*/
function formatDate(formatter, dateValue) {
var dateMs;
- if (dateValue === undefined) {
+ if (IS_UNDEFINED(dateValue)) {
dateMs = GlobalDate.now();
} else {
dateMs = $toNumber(dateValue);
@@ -1680,7 +1689,7 @@ addBoundMethod(Intl.DateTimeFormat, 'v8Parse', parseDate, 1);
*/
function canonicalizeTimeZoneID(tzID) {
// Skip undefined zones.
- if (tzID === undefined) {
+ if (IS_UNDEFINED(tzID)) {
return tzID;
}
@@ -1698,7 +1707,7 @@ function canonicalizeTimeZoneID(tzID) {
var result = toTitleCaseWord(match[1]) + '/' + toTitleCaseWord(match[2]);
var i = 3;
- while (match[i] !== undefined && i < match.length) {
+ while (!IS_UNDEFINED(match[i]) && i < match.length) {
result = result + '_' + toTitleCaseWord(match[i]);
i++;
}
@@ -1715,7 +1724,7 @@ function initializeBreakIterator(iterator, locales, options) {
throw MakeTypeError(kReinitializeIntl, "v8BreakIterator");
}
- if (options === undefined) {
+ if (IS_UNDEFINED(options)) {
options = {};
}
@@ -1878,11 +1887,11 @@ var savedObjects = {
// Default (created with undefined locales and options parameters) collator,
// number and date format instances. They'll be created as needed.
var defaultObjects = {
- 'collator': undefined,
- 'numberformat': undefined,
- 'dateformatall': undefined,
- 'dateformatdate': undefined,
- 'dateformattime': undefined,
+ 'collator': UNDEFINED,
+ 'numberformat': UNDEFINED,
+ 'dateformatall': UNDEFINED,
+ 'dateformatdate': UNDEFINED,
+ 'dateformattime': UNDEFINED,
};
@@ -1891,9 +1900,9 @@ var defaultObjects = {
* We cache only default instances (where no locales or options are provided).
*/
function cachedOrNewService(service, locales, options, defaults) {
- var useOptions = (defaults === undefined) ? options : defaults;
- if (locales === undefined && options === undefined) {
- if (defaultObjects[service] === undefined) {
+ var useOptions = (IS_UNDEFINED(defaults)) ? options : defaults;
+ if (IS_UNDEFINED(locales) && IS_UNDEFINED(options)) {
+ if (IS_UNDEFINED(defaultObjects[service])) {
defaultObjects[service] = new savedObjects[service](locales, useOptions);
}
return defaultObjects[service];
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