Update V8 to version 4.1.0.21
This is a cherry-pick of all commits up to and including the
4.1.0.21 cherry-pick in Chromium.
Original commit message:
Version 4.1.0.21 (cherry-pick)
Merged 206e9136bde0f2b5ae8cb77afbb1e7833e5bd412
Unlink pages from the space page list after evacuation.
BUG=430201
LOG=N
R=jkummerow@chromium.org
Review URL: https://codereview.chromium.org/953813002
Cr-Commit-Position: refs/branch-heads/4.1@{#22}
Cr-Branched-From: 2e08d2a7aa9d65d269d8c57aba82eb38a8cb0a18-refs/heads/candidates@{#25353}
---
FPIIM-449
Change-Id: I8c23c7bbb70772b4858fe8a47b64fa97ee0d1f8c
diff --git a/src/runtime/runtime-i18n.cc b/src/runtime/runtime-i18n.cc
new file mode 100644
index 0000000..94d9f42
--- /dev/null
+++ b/src/runtime/runtime-i18n.cc
@@ -0,0 +1,751 @@
+// Copyright 2014 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.
+
+
+#ifdef V8_I18N_SUPPORT
+#include "src/v8.h"
+
+#include "src/arguments.h"
+#include "src/i18n.h"
+#include "src/runtime/runtime-utils.h"
+
+#include "unicode/brkiter.h"
+#include "unicode/calendar.h"
+#include "unicode/coll.h"
+#include "unicode/curramt.h"
+#include "unicode/datefmt.h"
+#include "unicode/dcfmtsym.h"
+#include "unicode/decimfmt.h"
+#include "unicode/dtfmtsym.h"
+#include "unicode/dtptngen.h"
+#include "unicode/locid.h"
+#include "unicode/numfmt.h"
+#include "unicode/numsys.h"
+#include "unicode/rbbi.h"
+#include "unicode/smpdtfmt.h"
+#include "unicode/timezone.h"
+#include "unicode/uchar.h"
+#include "unicode/ucol.h"
+#include "unicode/ucurr.h"
+#include "unicode/uloc.h"
+#include "unicode/unum.h"
+#include "unicode/uversion.h"
+
+
+namespace v8 {
+namespace internal {
+
+RUNTIME_FUNCTION(Runtime_CanonicalizeLanguageTag) {
+ HandleScope scope(isolate);
+ Factory* factory = isolate->factory();
+
+ DCHECK(args.length() == 1);
+ CONVERT_ARG_HANDLE_CHECKED(String, locale_id_str, 0);
+
+ v8::String::Utf8Value locale_id(v8::Utils::ToLocal(locale_id_str));
+
+ // Return value which denotes invalid language tag.
+ const char* const kInvalidTag = "invalid-tag";
+
+ UErrorCode error = U_ZERO_ERROR;
+ char icu_result[ULOC_FULLNAME_CAPACITY];
+ int icu_length = 0;
+
+ uloc_forLanguageTag(*locale_id, icu_result, ULOC_FULLNAME_CAPACITY,
+ &icu_length, &error);
+ if (U_FAILURE(error) || icu_length == 0) {
+ return *factory->NewStringFromAsciiChecked(kInvalidTag);
+ }
+
+ char result[ULOC_FULLNAME_CAPACITY];
+
+ // Force strict BCP47 rules.
+ uloc_toLanguageTag(icu_result, result, ULOC_FULLNAME_CAPACITY, TRUE, &error);
+
+ if (U_FAILURE(error)) {
+ return *factory->NewStringFromAsciiChecked(kInvalidTag);
+ }
+
+ return *factory->NewStringFromAsciiChecked(result);
+}
+
+
+RUNTIME_FUNCTION(Runtime_AvailableLocalesOf) {
+ HandleScope scope(isolate);
+ Factory* factory = isolate->factory();
+
+ DCHECK(args.length() == 1);
+ CONVERT_ARG_HANDLE_CHECKED(String, service, 0);
+
+ const icu::Locale* available_locales = NULL;
+ int32_t count = 0;
+
+ if (service->IsUtf8EqualTo(CStrVector("collator"))) {
+ available_locales = icu::Collator::getAvailableLocales(count);
+ } else if (service->IsUtf8EqualTo(CStrVector("numberformat"))) {
+ available_locales = icu::NumberFormat::getAvailableLocales(count);
+ } else if (service->IsUtf8EqualTo(CStrVector("dateformat"))) {
+ available_locales = icu::DateFormat::getAvailableLocales(count);
+ } else if (service->IsUtf8EqualTo(CStrVector("breakiterator"))) {
+ available_locales = icu::BreakIterator::getAvailableLocales(count);
+ }
+
+ UErrorCode error = U_ZERO_ERROR;
+ char result[ULOC_FULLNAME_CAPACITY];
+ Handle<JSObject> locales = factory->NewJSObject(isolate->object_function());
+
+ for (int32_t i = 0; i < count; ++i) {
+ const char* icu_name = available_locales[i].getName();
+
+ error = U_ZERO_ERROR;
+ // No need to force strict BCP47 rules.
+ uloc_toLanguageTag(icu_name, result, ULOC_FULLNAME_CAPACITY, FALSE, &error);
+ if (U_FAILURE(error)) {
+ // This shouldn't happen, but lets not break the user.
+ continue;
+ }
+
+ RETURN_FAILURE_ON_EXCEPTION(
+ isolate, JSObject::SetOwnPropertyIgnoreAttributes(
+ locales, factory->NewStringFromAsciiChecked(result),
+ factory->NewNumber(i), NONE));
+ }
+
+ return *locales;
+}
+
+
+RUNTIME_FUNCTION(Runtime_GetDefaultICULocale) {
+ HandleScope scope(isolate);
+ Factory* factory = isolate->factory();
+
+ DCHECK(args.length() == 0);
+
+ icu::Locale default_locale;
+
+ // Set the locale
+ char result[ULOC_FULLNAME_CAPACITY];
+ UErrorCode status = U_ZERO_ERROR;
+ uloc_toLanguageTag(default_locale.getName(), result, ULOC_FULLNAME_CAPACITY,
+ FALSE, &status);
+ if (U_SUCCESS(status)) {
+ return *factory->NewStringFromAsciiChecked(result);
+ }
+
+ return *factory->NewStringFromStaticChars("und");
+}
+
+
+RUNTIME_FUNCTION(Runtime_GetLanguageTagVariants) {
+ HandleScope scope(isolate);
+ Factory* factory = isolate->factory();
+
+ DCHECK(args.length() == 1);
+
+ CONVERT_ARG_HANDLE_CHECKED(JSArray, input, 0);
+
+ uint32_t length = static_cast<uint32_t>(input->length()->Number());
+ // Set some limit to prevent fuzz tests from going OOM.
+ // Can be bumped when callers' requirements change.
+ RUNTIME_ASSERT(length < 100);
+ Handle<FixedArray> output = factory->NewFixedArray(length);
+ Handle<Name> maximized = factory->NewStringFromStaticChars("maximized");
+ Handle<Name> base = factory->NewStringFromStaticChars("base");
+ for (unsigned int i = 0; i < length; ++i) {
+ Handle<Object> locale_id;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, locale_id,
+ Object::GetElement(isolate, input, i));
+ if (!locale_id->IsString()) {
+ return isolate->Throw(*factory->illegal_argument_string());
+ }
+
+ v8::String::Utf8Value utf8_locale_id(
+ v8::Utils::ToLocal(Handle<String>::cast(locale_id)));
+
+ UErrorCode error = U_ZERO_ERROR;
+
+ // Convert from BCP47 to ICU format.
+ // de-DE-u-co-phonebk -> de_DE@collation=phonebook
+ char icu_locale[ULOC_FULLNAME_CAPACITY];
+ int icu_locale_length = 0;
+ uloc_forLanguageTag(*utf8_locale_id, icu_locale, ULOC_FULLNAME_CAPACITY,
+ &icu_locale_length, &error);
+ if (U_FAILURE(error) || icu_locale_length == 0) {
+ return isolate->Throw(*factory->illegal_argument_string());
+ }
+
+ // Maximize the locale.
+ // de_DE@collation=phonebook -> de_Latn_DE@collation=phonebook
+ char icu_max_locale[ULOC_FULLNAME_CAPACITY];
+ uloc_addLikelySubtags(icu_locale, icu_max_locale, ULOC_FULLNAME_CAPACITY,
+ &error);
+
+ // Remove extensions from maximized locale.
+ // de_Latn_DE@collation=phonebook -> de_Latn_DE
+ char icu_base_max_locale[ULOC_FULLNAME_CAPACITY];
+ uloc_getBaseName(icu_max_locale, icu_base_max_locale,
+ ULOC_FULLNAME_CAPACITY, &error);
+
+ // Get original name without extensions.
+ // de_DE@collation=phonebook -> de_DE
+ char icu_base_locale[ULOC_FULLNAME_CAPACITY];
+ uloc_getBaseName(icu_locale, icu_base_locale, ULOC_FULLNAME_CAPACITY,
+ &error);
+
+ // Convert from ICU locale format to BCP47 format.
+ // de_Latn_DE -> de-Latn-DE
+ char base_max_locale[ULOC_FULLNAME_CAPACITY];
+ uloc_toLanguageTag(icu_base_max_locale, base_max_locale,
+ ULOC_FULLNAME_CAPACITY, FALSE, &error);
+
+ // de_DE -> de-DE
+ char base_locale[ULOC_FULLNAME_CAPACITY];
+ uloc_toLanguageTag(icu_base_locale, base_locale, ULOC_FULLNAME_CAPACITY,
+ FALSE, &error);
+
+ if (U_FAILURE(error)) {
+ return isolate->Throw(*factory->illegal_argument_string());
+ }
+
+ Handle<JSObject> result = factory->NewJSObject(isolate->object_function());
+ Handle<String> value = factory->NewStringFromAsciiChecked(base_max_locale);
+ JSObject::AddProperty(result, maximized, value, NONE);
+ value = factory->NewStringFromAsciiChecked(base_locale);
+ JSObject::AddProperty(result, base, value, NONE);
+ output->set(i, *result);
+ }
+
+ Handle<JSArray> result = factory->NewJSArrayWithElements(output);
+ result->set_length(Smi::FromInt(length));
+ return *result;
+}
+
+
+RUNTIME_FUNCTION(Runtime_IsInitializedIntlObject) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 1);
+
+ CONVERT_ARG_HANDLE_CHECKED(Object, input, 0);
+
+ if (!input->IsJSObject()) return isolate->heap()->false_value();
+ Handle<JSObject> obj = Handle<JSObject>::cast(input);
+
+ Handle<Symbol> marker = isolate->factory()->intl_initialized_marker_symbol();
+ Handle<Object> tag = JSObject::GetDataProperty(obj, marker);
+ return isolate->heap()->ToBoolean(!tag->IsUndefined());
+}
+
+
+RUNTIME_FUNCTION(Runtime_IsInitializedIntlObjectOfType) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 2);
+
+ CONVERT_ARG_HANDLE_CHECKED(Object, input, 0);
+ CONVERT_ARG_HANDLE_CHECKED(String, expected_type, 1);
+
+ if (!input->IsJSObject()) return isolate->heap()->false_value();
+ Handle<JSObject> obj = Handle<JSObject>::cast(input);
+
+ Handle<Symbol> marker = isolate->factory()->intl_initialized_marker_symbol();
+ Handle<Object> tag = JSObject::GetDataProperty(obj, marker);
+ return isolate->heap()->ToBoolean(tag->IsString() &&
+ String::cast(*tag)->Equals(*expected_type));
+}
+
+
+RUNTIME_FUNCTION(Runtime_MarkAsInitializedIntlObjectOfType) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 3);
+
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, input, 0);
+ CONVERT_ARG_HANDLE_CHECKED(String, type, 1);
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, impl, 2);
+
+ Handle<Symbol> marker = isolate->factory()->intl_initialized_marker_symbol();
+ JSObject::SetProperty(input, marker, type, STRICT).Assert();
+
+ marker = isolate->factory()->intl_impl_object_symbol();
+ JSObject::SetProperty(input, marker, impl, STRICT).Assert();
+
+ return isolate->heap()->undefined_value();
+}
+
+
+RUNTIME_FUNCTION(Runtime_GetImplFromInitializedIntlObject) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 1);
+
+ CONVERT_ARG_HANDLE_CHECKED(Object, input, 0);
+
+ if (!input->IsJSObject()) {
+ Vector<Handle<Object> > arguments = HandleVector(&input, 1);
+ THROW_NEW_ERROR_RETURN_FAILURE(isolate,
+ NewTypeError("not_intl_object", arguments));
+ }
+
+ Handle<JSObject> obj = Handle<JSObject>::cast(input);
+
+ Handle<Symbol> marker = isolate->factory()->intl_impl_object_symbol();
+
+ Handle<Object> impl = JSObject::GetDataProperty(obj, marker);
+ if (impl->IsTheHole()) {
+ Vector<Handle<Object> > arguments = HandleVector(&obj, 1);
+ THROW_NEW_ERROR_RETURN_FAILURE(isolate,
+ NewTypeError("not_intl_object", arguments));
+ }
+ return *impl;
+}
+
+
+RUNTIME_FUNCTION(Runtime_CreateDateTimeFormat) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 3);
+
+ CONVERT_ARG_HANDLE_CHECKED(String, locale, 0);
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, options, 1);
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, resolved, 2);
+
+ Handle<ObjectTemplateInfo> date_format_template = I18N::GetTemplate(isolate);
+
+ // Create an empty object wrapper.
+ Handle<JSObject> local_object;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+ isolate, local_object,
+ Execution::InstantiateObject(date_format_template));
+
+ // Set date time formatter as internal field of the resulting JS object.
+ icu::SimpleDateFormat* date_format =
+ DateFormat::InitializeDateTimeFormat(isolate, locale, options, resolved);
+
+ if (!date_format) return isolate->ThrowIllegalOperation();
+
+ local_object->SetInternalField(0, reinterpret_cast<Smi*>(date_format));
+
+ Factory* factory = isolate->factory();
+ Handle<String> key = factory->NewStringFromStaticChars("dateFormat");
+ Handle<String> value = factory->NewStringFromStaticChars("valid");
+ JSObject::AddProperty(local_object, key, value, NONE);
+
+ // Make object handle weak so we can delete the data format once GC kicks in.
+ Handle<Object> wrapper = isolate->global_handles()->Create(*local_object);
+ GlobalHandles::MakeWeak(wrapper.location(),
+ reinterpret_cast<void*>(wrapper.location()),
+ DateFormat::DeleteDateFormat);
+ return *local_object;
+}
+
+
+RUNTIME_FUNCTION(Runtime_InternalDateFormat) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 2);
+
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, date_format_holder, 0);
+ CONVERT_ARG_HANDLE_CHECKED(JSDate, date, 1);
+
+ Handle<Object> value;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, value,
+ Execution::ToNumber(isolate, date));
+
+ icu::SimpleDateFormat* date_format =
+ DateFormat::UnpackDateFormat(isolate, date_format_holder);
+ if (!date_format) return isolate->ThrowIllegalOperation();
+
+ icu::UnicodeString result;
+ date_format->format(value->Number(), result);
+
+ Handle<String> result_str;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+ isolate, result_str,
+ isolate->factory()->NewStringFromTwoByte(Vector<const uint16_t>(
+ reinterpret_cast<const uint16_t*>(result.getBuffer()),
+ result.length())));
+ return *result_str;
+}
+
+
+RUNTIME_FUNCTION(Runtime_InternalDateParse) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 2);
+
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, date_format_holder, 0);
+ CONVERT_ARG_HANDLE_CHECKED(String, date_string, 1);
+
+ v8::String::Utf8Value utf8_date(v8::Utils::ToLocal(date_string));
+ icu::UnicodeString u_date(icu::UnicodeString::fromUTF8(*utf8_date));
+ icu::SimpleDateFormat* date_format =
+ DateFormat::UnpackDateFormat(isolate, date_format_holder);
+ if (!date_format) return isolate->ThrowIllegalOperation();
+
+ UErrorCode status = U_ZERO_ERROR;
+ UDate date = date_format->parse(u_date, status);
+ if (U_FAILURE(status)) return isolate->heap()->undefined_value();
+
+ Handle<Object> result;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+ isolate, result, Execution::NewDate(isolate, static_cast<double>(date)));
+ DCHECK(result->IsJSDate());
+ return *result;
+}
+
+
+RUNTIME_FUNCTION(Runtime_CreateNumberFormat) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 3);
+
+ CONVERT_ARG_HANDLE_CHECKED(String, locale, 0);
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, options, 1);
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, resolved, 2);
+
+ Handle<ObjectTemplateInfo> number_format_template =
+ I18N::GetTemplate(isolate);
+
+ // Create an empty object wrapper.
+ Handle<JSObject> local_object;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+ isolate, local_object,
+ Execution::InstantiateObject(number_format_template));
+
+ // Set number formatter as internal field of the resulting JS object.
+ icu::DecimalFormat* number_format =
+ NumberFormat::InitializeNumberFormat(isolate, locale, options, resolved);
+
+ if (!number_format) return isolate->ThrowIllegalOperation();
+
+ local_object->SetInternalField(0, reinterpret_cast<Smi*>(number_format));
+
+ Factory* factory = isolate->factory();
+ Handle<String> key = factory->NewStringFromStaticChars("numberFormat");
+ Handle<String> value = factory->NewStringFromStaticChars("valid");
+ JSObject::AddProperty(local_object, key, value, NONE);
+
+ Handle<Object> wrapper = isolate->global_handles()->Create(*local_object);
+ GlobalHandles::MakeWeak(wrapper.location(),
+ reinterpret_cast<void*>(wrapper.location()),
+ NumberFormat::DeleteNumberFormat);
+ return *local_object;
+}
+
+
+RUNTIME_FUNCTION(Runtime_InternalNumberFormat) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 2);
+
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, number_format_holder, 0);
+ CONVERT_ARG_HANDLE_CHECKED(Object, number, 1);
+
+ Handle<Object> value;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, value,
+ Execution::ToNumber(isolate, number));
+
+ icu::DecimalFormat* number_format =
+ NumberFormat::UnpackNumberFormat(isolate, number_format_holder);
+ if (!number_format) return isolate->ThrowIllegalOperation();
+
+ icu::UnicodeString result;
+ number_format->format(value->Number(), result);
+
+ Handle<String> result_str;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+ isolate, result_str,
+ isolate->factory()->NewStringFromTwoByte(Vector<const uint16_t>(
+ reinterpret_cast<const uint16_t*>(result.getBuffer()),
+ result.length())));
+ return *result_str;
+}
+
+
+RUNTIME_FUNCTION(Runtime_InternalNumberParse) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 2);
+
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, number_format_holder, 0);
+ CONVERT_ARG_HANDLE_CHECKED(String, number_string, 1);
+
+ v8::String::Utf8Value utf8_number(v8::Utils::ToLocal(number_string));
+ icu::UnicodeString u_number(icu::UnicodeString::fromUTF8(*utf8_number));
+ icu::DecimalFormat* number_format =
+ NumberFormat::UnpackNumberFormat(isolate, number_format_holder);
+ if (!number_format) return isolate->ThrowIllegalOperation();
+
+ UErrorCode status = U_ZERO_ERROR;
+ icu::Formattable result;
+ // ICU 4.6 doesn't support parseCurrency call. We need to wait for ICU49
+ // to be part of Chrome.
+ // TODO(cira): Include currency parsing code using parseCurrency call.
+ // We need to check if the formatter parses all currencies or only the
+ // one it was constructed with (it will impact the API - how to return ISO
+ // code and the value).
+ number_format->parse(u_number, result, status);
+ if (U_FAILURE(status)) return isolate->heap()->undefined_value();
+
+ switch (result.getType()) {
+ case icu::Formattable::kDouble:
+ return *isolate->factory()->NewNumber(result.getDouble());
+ case icu::Formattable::kLong:
+ return *isolate->factory()->NewNumberFromInt(result.getLong());
+ case icu::Formattable::kInt64:
+ return *isolate->factory()->NewNumber(
+ static_cast<double>(result.getInt64()));
+ default:
+ return isolate->heap()->undefined_value();
+ }
+}
+
+
+RUNTIME_FUNCTION(Runtime_CreateCollator) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 3);
+
+ CONVERT_ARG_HANDLE_CHECKED(String, locale, 0);
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, options, 1);
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, resolved, 2);
+
+ Handle<ObjectTemplateInfo> collator_template = I18N::GetTemplate(isolate);
+
+ // Create an empty object wrapper.
+ Handle<JSObject> local_object;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+ isolate, local_object, Execution::InstantiateObject(collator_template));
+
+ // Set collator as internal field of the resulting JS object.
+ icu::Collator* collator =
+ Collator::InitializeCollator(isolate, locale, options, resolved);
+
+ if (!collator) return isolate->ThrowIllegalOperation();
+
+ local_object->SetInternalField(0, reinterpret_cast<Smi*>(collator));
+
+ Factory* factory = isolate->factory();
+ Handle<String> key = factory->NewStringFromStaticChars("collator");
+ Handle<String> value = factory->NewStringFromStaticChars("valid");
+ JSObject::AddProperty(local_object, key, value, NONE);
+
+ Handle<Object> wrapper = isolate->global_handles()->Create(*local_object);
+ GlobalHandles::MakeWeak(wrapper.location(),
+ reinterpret_cast<void*>(wrapper.location()),
+ Collator::DeleteCollator);
+ return *local_object;
+}
+
+
+RUNTIME_FUNCTION(Runtime_InternalCompare) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 3);
+
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, collator_holder, 0);
+ CONVERT_ARG_HANDLE_CHECKED(String, string1, 1);
+ CONVERT_ARG_HANDLE_CHECKED(String, string2, 2);
+
+ icu::Collator* collator = Collator::UnpackCollator(isolate, collator_holder);
+ if (!collator) return isolate->ThrowIllegalOperation();
+
+ v8::String::Value string_value1(v8::Utils::ToLocal(string1));
+ v8::String::Value string_value2(v8::Utils::ToLocal(string2));
+ const UChar* u_string1 = reinterpret_cast<const UChar*>(*string_value1);
+ const UChar* u_string2 = reinterpret_cast<const UChar*>(*string_value2);
+ UErrorCode status = U_ZERO_ERROR;
+ UCollationResult result =
+ collator->compare(u_string1, string_value1.length(), u_string2,
+ string_value2.length(), status);
+ if (U_FAILURE(status)) return isolate->ThrowIllegalOperation();
+
+ return *isolate->factory()->NewNumberFromInt(result);
+}
+
+
+RUNTIME_FUNCTION(Runtime_StringNormalize) {
+ HandleScope scope(isolate);
+ static const UNormalizationMode normalizationForms[] = {
+ UNORM_NFC, UNORM_NFD, UNORM_NFKC, UNORM_NFKD};
+
+ DCHECK(args.length() == 2);
+
+ CONVERT_ARG_HANDLE_CHECKED(String, stringValue, 0);
+ CONVERT_NUMBER_CHECKED(int, form_id, Int32, args[1]);
+ RUNTIME_ASSERT(form_id >= 0 &&
+ static_cast<size_t>(form_id) < arraysize(normalizationForms));
+
+ v8::String::Value string_value(v8::Utils::ToLocal(stringValue));
+ const UChar* u_value = reinterpret_cast<const UChar*>(*string_value);
+
+ // TODO(mnita): check Normalizer2 (not available in ICU 46)
+ UErrorCode status = U_ZERO_ERROR;
+ icu::UnicodeString result;
+ icu::Normalizer::normalize(u_value, normalizationForms[form_id], 0, result,
+ status);
+ if (U_FAILURE(status)) {
+ return isolate->heap()->undefined_value();
+ }
+
+ Handle<String> result_str;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+ isolate, result_str,
+ isolate->factory()->NewStringFromTwoByte(Vector<const uint16_t>(
+ reinterpret_cast<const uint16_t*>(result.getBuffer()),
+ result.length())));
+ return *result_str;
+}
+
+
+RUNTIME_FUNCTION(Runtime_CreateBreakIterator) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 3);
+
+ CONVERT_ARG_HANDLE_CHECKED(String, locale, 0);
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, options, 1);
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, resolved, 2);
+
+ Handle<ObjectTemplateInfo> break_iterator_template =
+ I18N::GetTemplate2(isolate);
+
+ // Create an empty object wrapper.
+ Handle<JSObject> local_object;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+ isolate, local_object,
+ Execution::InstantiateObject(break_iterator_template));
+
+ // Set break iterator as internal field of the resulting JS object.
+ icu::BreakIterator* break_iterator = BreakIterator::InitializeBreakIterator(
+ isolate, locale, options, resolved);
+
+ if (!break_iterator) return isolate->ThrowIllegalOperation();
+
+ local_object->SetInternalField(0, reinterpret_cast<Smi*>(break_iterator));
+ // Make sure that the pointer to adopted text is NULL.
+ local_object->SetInternalField(1, reinterpret_cast<Smi*>(NULL));
+
+ Factory* factory = isolate->factory();
+ Handle<String> key = factory->NewStringFromStaticChars("breakIterator");
+ Handle<String> value = factory->NewStringFromStaticChars("valid");
+ JSObject::AddProperty(local_object, key, value, NONE);
+
+ // Make object handle weak so we can delete the break iterator once GC kicks
+ // in.
+ Handle<Object> wrapper = isolate->global_handles()->Create(*local_object);
+ GlobalHandles::MakeWeak(wrapper.location(),
+ reinterpret_cast<void*>(wrapper.location()),
+ BreakIterator::DeleteBreakIterator);
+ return *local_object;
+}
+
+
+RUNTIME_FUNCTION(Runtime_BreakIteratorAdoptText) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 2);
+
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, break_iterator_holder, 0);
+ CONVERT_ARG_HANDLE_CHECKED(String, text, 1);
+
+ icu::BreakIterator* break_iterator =
+ BreakIterator::UnpackBreakIterator(isolate, break_iterator_holder);
+ if (!break_iterator) return isolate->ThrowIllegalOperation();
+
+ icu::UnicodeString* u_text = reinterpret_cast<icu::UnicodeString*>(
+ break_iterator_holder->GetInternalField(1));
+ delete u_text;
+
+ v8::String::Value text_value(v8::Utils::ToLocal(text));
+ u_text = new icu::UnicodeString(reinterpret_cast<const UChar*>(*text_value),
+ text_value.length());
+ break_iterator_holder->SetInternalField(1, reinterpret_cast<Smi*>(u_text));
+
+ break_iterator->setText(*u_text);
+
+ return isolate->heap()->undefined_value();
+}
+
+
+RUNTIME_FUNCTION(Runtime_BreakIteratorFirst) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 1);
+
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, break_iterator_holder, 0);
+
+ icu::BreakIterator* break_iterator =
+ BreakIterator::UnpackBreakIterator(isolate, break_iterator_holder);
+ if (!break_iterator) return isolate->ThrowIllegalOperation();
+
+ return *isolate->factory()->NewNumberFromInt(break_iterator->first());
+}
+
+
+RUNTIME_FUNCTION(Runtime_BreakIteratorNext) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 1);
+
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, break_iterator_holder, 0);
+
+ icu::BreakIterator* break_iterator =
+ BreakIterator::UnpackBreakIterator(isolate, break_iterator_holder);
+ if (!break_iterator) return isolate->ThrowIllegalOperation();
+
+ return *isolate->factory()->NewNumberFromInt(break_iterator->next());
+}
+
+
+RUNTIME_FUNCTION(Runtime_BreakIteratorCurrent) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 1);
+
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, break_iterator_holder, 0);
+
+ icu::BreakIterator* break_iterator =
+ BreakIterator::UnpackBreakIterator(isolate, break_iterator_holder);
+ if (!break_iterator) return isolate->ThrowIllegalOperation();
+
+ return *isolate->factory()->NewNumberFromInt(break_iterator->current());
+}
+
+
+RUNTIME_FUNCTION(Runtime_BreakIteratorBreakType) {
+ HandleScope scope(isolate);
+
+ DCHECK(args.length() == 1);
+
+ CONVERT_ARG_HANDLE_CHECKED(JSObject, break_iterator_holder, 0);
+
+ icu::BreakIterator* break_iterator =
+ BreakIterator::UnpackBreakIterator(isolate, break_iterator_holder);
+ if (!break_iterator) return isolate->ThrowIllegalOperation();
+
+ // TODO(cira): Remove cast once ICU fixes base BreakIterator class.
+ icu::RuleBasedBreakIterator* rule_based_iterator =
+ static_cast<icu::RuleBasedBreakIterator*>(break_iterator);
+ int32_t status = rule_based_iterator->getRuleStatus();
+ // Keep return values in sync with JavaScript BreakType enum.
+ if (status >= UBRK_WORD_NONE && status < UBRK_WORD_NONE_LIMIT) {
+ return *isolate->factory()->NewStringFromStaticChars("none");
+ } else if (status >= UBRK_WORD_NUMBER && status < UBRK_WORD_NUMBER_LIMIT) {
+ return *isolate->factory()->number_string();
+ } else if (status >= UBRK_WORD_LETTER && status < UBRK_WORD_LETTER_LIMIT) {
+ return *isolate->factory()->NewStringFromStaticChars("letter");
+ } else if (status >= UBRK_WORD_KANA && status < UBRK_WORD_KANA_LIMIT) {
+ return *isolate->factory()->NewStringFromStaticChars("kana");
+ } else if (status >= UBRK_WORD_IDEO && status < UBRK_WORD_IDEO_LIMIT) {
+ return *isolate->factory()->NewStringFromStaticChars("ideo");
+ } else {
+ return *isolate->factory()->NewStringFromStaticChars("unknown");
+ }
+}
+}
+} // namespace v8::internal
+
+#endif // V8_I18N_SUPPORT