Split even more runtime functions into separate files.

src/runtime/runtime-date.cc

+// 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.
+
+#include "src/v8.h"
+
+#include "src/arguments.h"
+#include "src/date.h"
+#include "src/dateparser-inl.h"
+#include "src/runtime/runtime.h"
+#include "src/runtime/runtime-utils.h"
+
+namespace v8 {
+namespace internal {
+
+RUNTIME_FUNCTION(Runtime_DateMakeDay) {
+  SealHandleScope shs(isolate);
+  DCHECK(args.length() == 2);
+
+  CONVERT_SMI_ARG_CHECKED(year, 0);
+  CONVERT_SMI_ARG_CHECKED(month, 1);
+
+  int days = isolate->date_cache()->DaysFromYearMonth(year, month);
+  RUNTIME_ASSERT(Smi::IsValid(days));
+  return Smi::FromInt(days);
+}
+
+
+RUNTIME_FUNCTION(Runtime_DateSetValue) {
+  HandleScope scope(isolate);
+  DCHECK(args.length() == 3);
+
+  CONVERT_ARG_HANDLE_CHECKED(JSDate, date, 0);
+  CONVERT_DOUBLE_ARG_CHECKED(time, 1);
+  CONVERT_SMI_ARG_CHECKED(is_utc, 2);
+
+  DateCache* date_cache = isolate->date_cache();
+
+  Handle<Object> value;
+  ;
+  bool is_value_nan = false;
+  if (std::isnan(time)) {
+    value = isolate->factory()->nan_value();
+    is_value_nan = true;
+  } else if (!is_utc && (time < -DateCache::kMaxTimeBeforeUTCInMs ||
+                         time > DateCache::kMaxTimeBeforeUTCInMs)) {
+    value = isolate->factory()->nan_value();
+    is_value_nan = true;
+  } else {
+    time = is_utc ? time : date_cache->ToUTC(static_cast<int64_t>(time));
+    if (time < -DateCache::kMaxTimeInMs || time > DateCache::kMaxTimeInMs) {
+      value = isolate->factory()->nan_value();
+      is_value_nan = true;
+    } else {
+      value = isolate->factory()->NewNumber(DoubleToInteger(time));
+    }
+  }
+  date->SetValue(*value, is_value_nan);
+  return *value;
+}
+
+
+RUNTIME_FUNCTION(Runtime_ThrowNotDateError) {
+  HandleScope scope(isolate);
+  DCHECK(args.length() == 0);
+  THROW_NEW_ERROR_RETURN_FAILURE(
+      isolate, NewTypeError("not_date_object", HandleVector<Object>(NULL, 0)));
+}
+
+
+RUNTIME_FUNCTION(Runtime_DateCurrentTime) {
+  HandleScope scope(isolate);
+  DCHECK(args.length() == 0);
+  if (FLAG_log_timer_events) LOG(isolate, CurrentTimeEvent());
+
+  // According to ECMA-262, section 15.9.1, page 117, the precision of
+  // the number in a Date object representing a particular instant in
+  // time is milliseconds. Therefore, we floor the result of getting
+  // the OS time.
+  double millis;
+  if (FLAG_verify_predictable) {
+    millis = 1388534400000.0;  // Jan 1 2014 00:00:00 GMT+0000
+    millis += Floor(isolate->heap()->synthetic_time());
+  } else {
+    millis = Floor(base::OS::TimeCurrentMillis());
+  }
+  return *isolate->factory()->NewNumber(millis);
+}
+
+
+RUNTIME_FUNCTION(Runtime_DateParseString) {
+  HandleScope scope(isolate);
+  DCHECK(args.length() == 2);
+  CONVERT_ARG_HANDLE_CHECKED(String, str, 0);
+  CONVERT_ARG_HANDLE_CHECKED(JSArray, output, 1);
+
+  RUNTIME_ASSERT(output->HasFastElements());
+  JSObject::EnsureCanContainHeapObjectElements(output);
+  RUNTIME_ASSERT(output->HasFastObjectElements());
+  Handle<FixedArray> output_array(FixedArray::cast(output->elements()));
+  RUNTIME_ASSERT(output_array->length() >= DateParser::OUTPUT_SIZE);
+
+  str = String::Flatten(str);
+  DisallowHeapAllocation no_gc;
+
+  bool result;
+  String::FlatContent str_content = str->GetFlatContent();
+  if (str_content.IsOneByte()) {
+    result = DateParser::Parse(str_content.ToOneByteVector(), *output_array,
+                               isolate->unicode_cache());
+  } else {
+    DCHECK(str_content.IsTwoByte());
+    result = DateParser::Parse(str_content.ToUC16Vector(), *output_array,
+                               isolate->unicode_cache());
+  }
+
+  if (result) {
+    return *output;
+  } else {
+    return isolate->heap()->null_value();
+  }
+}
+
+
+RUNTIME_FUNCTION(Runtime_DateLocalTimezone) {
+  HandleScope scope(isolate);
+  DCHECK(args.length() == 1);
+
+  CONVERT_DOUBLE_ARG_CHECKED(x, 0);
+  RUNTIME_ASSERT(x >= -DateCache::kMaxTimeBeforeUTCInMs &&
+                 x <= DateCache::kMaxTimeBeforeUTCInMs);
+  const char* zone =
+      isolate->date_cache()->LocalTimezone(static_cast<int64_t>(x));
+  Handle<String> result =
+      isolate->factory()->NewStringFromUtf8(CStrVector(zone)).ToHandleChecked();
+  return *result;
+}
+
+
+RUNTIME_FUNCTION(Runtime_DateToUTC) {
+  HandleScope scope(isolate);
+  DCHECK(args.length() == 1);
+
+  CONVERT_DOUBLE_ARG_CHECKED(x, 0);
+  RUNTIME_ASSERT(x >= -DateCache::kMaxTimeBeforeUTCInMs &&
+                 x <= DateCache::kMaxTimeBeforeUTCInMs);
+  int64_t time = isolate->date_cache()->ToUTC(static_cast<int64_t>(x));
+
+  return *isolate->factory()->NewNumber(static_cast<double>(time));
+}
+
+
+RUNTIME_FUNCTION(Runtime_DateCacheVersion) {
+  HandleScope hs(isolate);
+  DCHECK(args.length() == 0);
+  if (!isolate->eternal_handles()->Exists(EternalHandles::DATE_CACHE_VERSION)) {
+    Handle<FixedArray> date_cache_version =
+        isolate->factory()->NewFixedArray(1, TENURED);
+    date_cache_version->set(0, Smi::FromInt(0));
+    isolate->eternal_handles()->CreateSingleton(
+        isolate, *date_cache_version, EternalHandles::DATE_CACHE_VERSION);
+  }
+  Handle<FixedArray> date_cache_version =
+      Handle<FixedArray>::cast(isolate->eternal_handles()->GetSingleton(
+          EternalHandles::DATE_CACHE_VERSION));
+  // Return result as a JS array.
+  Handle<JSObject> result =
+      isolate->factory()->NewJSObject(isolate->array_function());
+  JSArray::SetContent(Handle<JSArray>::cast(result), date_cache_version);
+  return *result;
+}
+
+
+RUNTIME_FUNCTION(RuntimeReference_DateField) {
+  SealHandleScope shs(isolate);
+  DCHECK(args.length() == 2);
+  CONVERT_ARG_CHECKED(Object, obj, 0);
+  CONVERT_SMI_ARG_CHECKED(index, 1);
+  if (!obj->IsJSDate()) {
+    HandleScope scope(isolate);
+    THROW_NEW_ERROR_RETURN_FAILURE(
+        isolate,
+        NewTypeError("not_date_object", HandleVector<Object>(NULL, 0)));
+  }
+  JSDate* date = JSDate::cast(obj);
+  if (index == 0) return date->value();
+  return JSDate::GetField(date, Smi::FromInt(index));
+}
+}
+}  // namespace v8::internal