Move i18n extension's date-format C++ code to runtime

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index c9d3f49ca9087e1cff82cfe1194fc413a0056278..0916b9398950ac5d4285b2652b7af461cce2cd5a 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -67,10 +67,18 @@
 #include "vm-state-inl.h"
 
 #ifdef V8_I18N_SUPPORT
+#include "i18n.h"
 #include "unicode/brkiter.h"
+#include "unicode/calendar.h"
 #include "unicode/coll.h"
 #include "unicode/datefmt.h"
+#include "unicode/dtfmtsym.h"
+#include "unicode/dtptngen.h"
+#include "unicode/locid.h"
 #include "unicode/numfmt.h"
+#include "unicode/numsys.h"
+#include "unicode/smpdtfmt.h"
+#include "unicode/timezone.h"
 #include "unicode/uloc.h"
 #include "unicode/uversion.h"
 #endif
@@ -13553,6 +13561,110 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_GetLanguageTagVariants) {
   result->set_length(Smi::FromInt(length));
   return *result;
 }
+
+
+RUNTIME_FUNCTION(MaybeObject*, Runtime_CreateDateTimeFormat) {
+  HandleScope scope(isolate);
+
+  ASSERT(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.
+  bool has_pending_exception = false;
+  Handle<JSObject> local_object = Execution::InstantiateObject(
+      date_format_template, &has_pending_exception);
+  if (has_pending_exception) {
+    ASSERT(isolate->has_pending_exception());
+    return Failure::Exception();
+  }
+
+  // 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));
+
+  RETURN_IF_EMPTY_HANDLE(isolate,
+      JSObject::SetLocalPropertyIgnoreAttributes(
+          local_object,
+          isolate->factory()->NewStringFromAscii(CStrVector("dateFormat")),
+          isolate->factory()->NewStringFromAscii(CStrVector("valid")),
+          NONE));
+
+  Persistent<v8::Object> wrapper(reinterpret_cast<v8::Isolate*>(isolate),
+                                 v8::Utils::ToLocal(local_object));
+  // Make object handle weak so we can delete the data format once GC kicks in.
+  wrapper.MakeWeak<void>(NULL, &DateFormat::DeleteDateFormat);
+  Handle<Object> result = Utils::OpenPersistent(wrapper);
+  wrapper.ClearAndLeak();
+  return *result;
+}
+
+
+RUNTIME_FUNCTION(MaybeObject*, Runtime_InternalDateFormat) {
+  HandleScope scope(isolate);
+
+  ASSERT(args.length() == 2);
+
+  CONVERT_ARG_HANDLE_CHECKED(JSObject, date_format_holder, 0);
+  CONVERT_ARG_HANDLE_CHECKED(JSDate, date, 1);
+
+  bool has_pending_exception = false;
+  double millis = Execution::ToNumber(date, &has_pending_exception)->Number();
+  if (has_pending_exception) {
+    ASSERT(isolate->has_pending_exception());
+    return Failure::Exception();
+  }
+
+  icu::SimpleDateFormat* date_format =
+      DateFormat::UnpackDateFormat(isolate, date_format_holder);
+  if (!date_format) return isolate->ThrowIllegalOperation();
+
+  icu::UnicodeString result;
+  date_format->format(millis, result);
+
+  return *isolate->factory()->NewStringFromTwoByte(
+      Vector<const uint16_t>(
+          reinterpret_cast<const uint16_t*>(result.getBuffer()),
+          result.length()));
+}
+
+
+RUNTIME_FUNCTION(MaybeObject*, Runtime_InternalDateParse) {
+  HandleScope scope(isolate);
+
+  ASSERT(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();
+
+  bool has_pending_exception = false;
+  Handle<JSDate> result = Handle<JSDate>::cast(
+      Execution::NewDate(static_cast<double>(date), &has_pending_exception));
+  if (has_pending_exception) {
+    ASSERT(isolate->has_pending_exception());
+    return Failure::Exception();
+  }
+  return *result;
+}
 #endif  // V8_I18N_SUPPORT