| // Copyright 2016 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/builtins/builtins-utils-inl.h" |
| #include "src/builtins/builtins.h" |
| #include "src/codegen/code-factory.h" |
| #include "src/date/date.h" |
| #include "src/date/dateparser-inl.h" |
| #include "src/logging/counters.h" |
| #include "src/numbers/conversions.h" |
| #include "src/objects/objects-inl.h" |
| #ifdef V8_INTL_SUPPORT |
| #include "src/objects/intl-objects.h" |
| #include "src/objects/js-date-time-format.h" |
| #endif |
| #include "src/strings/string-stream.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| // ----------------------------------------------------------------------------- |
| // ES6 section 20.3 Date Objects |
| |
| namespace { |
| |
| const char* kShortWeekDays[] = {"Sun", "Mon", "Tue", "Wed", |
| "Thu", "Fri", "Sat"}; |
| const char* kShortMonths[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", |
| "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; |
| |
| // ES6 section 20.3.1.16 Date Time String Format |
| double ParseDateTimeString(Isolate* isolate, Handle<String> str) { |
| str = String::Flatten(isolate, str); |
| double out[DateParser::OUTPUT_SIZE]; |
| DisallowGarbageCollection no_gc; |
| String::FlatContent str_content = str->GetFlatContent(no_gc); |
| bool result; |
| if (str_content.IsOneByte()) { |
| result = DateParser::Parse(isolate, str_content.ToOneByteVector(), out); |
| } else { |
| result = DateParser::Parse(isolate, str_content.ToUC16Vector(), out); |
| } |
| if (!result) return std::numeric_limits<double>::quiet_NaN(); |
| double const day = MakeDay(out[DateParser::YEAR], out[DateParser::MONTH], |
| out[DateParser::DAY]); |
| double const time = |
| MakeTime(out[DateParser::HOUR], out[DateParser::MINUTE], |
| out[DateParser::SECOND], out[DateParser::MILLISECOND]); |
| double date = MakeDate(day, time); |
| if (std::isnan(out[DateParser::UTC_OFFSET])) { |
| if (date >= -DateCache::kMaxTimeBeforeUTCInMs && |
| date <= DateCache::kMaxTimeBeforeUTCInMs) { |
| date = isolate->date_cache()->ToUTC(static_cast<int64_t>(date)); |
| } else { |
| return std::numeric_limits<double>::quiet_NaN(); |
| } |
| } else { |
| date -= out[DateParser::UTC_OFFSET] * 1000.0; |
| } |
| return DateCache::TimeClip(date); |
| } |
| |
| enum ToDateStringMode { kDateOnly, kTimeOnly, kDateAndTime }; |
| |
| using DateBuffer = base::SmallVector<char, 128>; |
| |
| template <class... Args> |
| DateBuffer FormatDate(const char* format, Args... args) { |
| DateBuffer buffer; |
| SmallStringOptimizedAllocator<DateBuffer::kInlineSize> allocator(&buffer); |
| StringStream sstream(&allocator); |
| sstream.Add(format, args...); |
| buffer.resize_no_init(sstream.length()); |
| return buffer; |
| } |
| |
| // ES6 section 20.3.4.41.1 ToDateString(tv) |
| DateBuffer ToDateString(double time_val, DateCache* date_cache, |
| ToDateStringMode mode = kDateAndTime) { |
| if (std::isnan(time_val)) { |
| return FormatDate("Invalid Date"); |
| } |
| int64_t time_ms = static_cast<int64_t>(time_val); |
| int64_t local_time_ms = date_cache->ToLocal(time_ms); |
| int year, month, day, weekday, hour, min, sec, ms; |
| date_cache->BreakDownTime(local_time_ms, &year, &month, &day, &weekday, &hour, |
| &min, &sec, &ms); |
| int timezone_offset = -date_cache->TimezoneOffset(time_ms); |
| int timezone_hour = std::abs(timezone_offset) / 60; |
| int timezone_min = std::abs(timezone_offset) % 60; |
| const char* local_timezone = date_cache->LocalTimezone(time_ms); |
| switch (mode) { |
| case kDateOnly: |
| return FormatDate((year < 0) ? "%s %s %02d %05d" : "%s %s %02d %04d", |
| kShortWeekDays[weekday], kShortMonths[month], day, |
| year); |
| case kTimeOnly: |
| return FormatDate("%02d:%02d:%02d GMT%c%02d%02d (%s)", hour, min, sec, |
| (timezone_offset < 0) ? '-' : '+', timezone_hour, |
| timezone_min, local_timezone); |
| case kDateAndTime: |
| return FormatDate( |
| (year < 0) ? "%s %s %02d %05d %02d:%02d:%02d GMT%c%02d%02d (%s)" |
| : "%s %s %02d %04d %02d:%02d:%02d GMT%c%02d%02d (%s)", |
| kShortWeekDays[weekday], kShortMonths[month], day, year, hour, min, |
| sec, (timezone_offset < 0) ? '-' : '+', timezone_hour, timezone_min, |
| local_timezone); |
| } |
| UNREACHABLE(); |
| } |
| |
| Object SetLocalDateValue(Isolate* isolate, Handle<JSDate> date, |
| double time_val) { |
| if (time_val >= -DateCache::kMaxTimeBeforeUTCInMs && |
| time_val <= DateCache::kMaxTimeBeforeUTCInMs) { |
| time_val = isolate->date_cache()->ToUTC(static_cast<int64_t>(time_val)); |
| } else { |
| time_val = std::numeric_limits<double>::quiet_NaN(); |
| } |
| return *JSDate::SetValue(date, DateCache::TimeClip(time_val)); |
| } |
| |
| } // namespace |
| |
| // ES #sec-date-constructor |
| BUILTIN(DateConstructor) { |
| HandleScope scope(isolate); |
| if (args.new_target()->IsUndefined(isolate)) { |
| double const time_val = JSDate::CurrentTimeValue(isolate); |
| DateBuffer buffer = ToDateString(time_val, isolate->date_cache()); |
| RETURN_RESULT_OR_FAILURE( |
| isolate, isolate->factory()->NewStringFromUtf8(base::VectorOf(buffer))); |
| } |
| // [Construct] |
| int const argc = args.length() - 1; |
| Handle<JSFunction> target = args.target(); |
| Handle<JSReceiver> new_target = Handle<JSReceiver>::cast(args.new_target()); |
| double time_val; |
| if (argc == 0) { |
| time_val = JSDate::CurrentTimeValue(isolate); |
| } else if (argc == 1) { |
| Handle<Object> value = args.at(1); |
| if (value->IsJSDate()) { |
| time_val = Handle<JSDate>::cast(value)->value().Number(); |
| } else { |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, value, |
| Object::ToPrimitive(isolate, value)); |
| if (value->IsString()) { |
| time_val = ParseDateTimeString(isolate, Handle<String>::cast(value)); |
| } else { |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, value, |
| Object::ToNumber(isolate, value)); |
| time_val = value->Number(); |
| } |
| } |
| } else { |
| Handle<Object> year_object; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, year_object, |
| Object::ToNumber(isolate, args.at(1))); |
| Handle<Object> month_object; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, month_object, |
| Object::ToNumber(isolate, args.at(2))); |
| double year = year_object->Number(); |
| double month = month_object->Number(); |
| double date = 1.0, hours = 0.0, minutes = 0.0, seconds = 0.0, ms = 0.0; |
| if (argc >= 3) { |
| Handle<Object> date_object; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, date_object, |
| Object::ToNumber(isolate, args.at(3))); |
| date = date_object->Number(); |
| if (argc >= 4) { |
| Handle<Object> hours_object; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| isolate, hours_object, Object::ToNumber(isolate, args.at(4))); |
| hours = hours_object->Number(); |
| if (argc >= 5) { |
| Handle<Object> minutes_object; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| isolate, minutes_object, Object::ToNumber(isolate, args.at(5))); |
| minutes = minutes_object->Number(); |
| if (argc >= 6) { |
| Handle<Object> seconds_object; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| isolate, seconds_object, Object::ToNumber(isolate, args.at(6))); |
| seconds = seconds_object->Number(); |
| if (argc >= 7) { |
| Handle<Object> ms_object; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| isolate, ms_object, Object::ToNumber(isolate, args.at(7))); |
| ms = ms_object->Number(); |
| } |
| } |
| } |
| } |
| } |
| if (!std::isnan(year)) { |
| double const y = DoubleToInteger(year); |
| if (0.0 <= y && y <= 99) year = 1900 + y; |
| } |
| double const day = MakeDay(year, month, date); |
| double const time = MakeTime(hours, minutes, seconds, ms); |
| time_val = MakeDate(day, time); |
| if (time_val >= -DateCache::kMaxTimeBeforeUTCInMs && |
| time_val <= DateCache::kMaxTimeBeforeUTCInMs) { |
| time_val = isolate->date_cache()->ToUTC(static_cast<int64_t>(time_val)); |
| } else { |
| time_val = std::numeric_limits<double>::quiet_NaN(); |
| } |
| } |
| RETURN_RESULT_OR_FAILURE(isolate, JSDate::New(target, new_target, time_val)); |
| } |
| |
| // ES6 section 20.3.3.1 Date.now ( ) |
| BUILTIN(DateNow) { |
| HandleScope scope(isolate); |
| return *isolate->factory()->NewNumber(JSDate::CurrentTimeValue(isolate)); |
| } |
| |
| // ES6 section 20.3.3.2 Date.parse ( string ) |
| BUILTIN(DateParse) { |
| HandleScope scope(isolate); |
| Handle<String> string; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| isolate, string, |
| Object::ToString(isolate, args.atOrUndefined(isolate, 1))); |
| return *isolate->factory()->NewNumber(ParseDateTimeString(isolate, string)); |
| } |
| |
| // ES6 section 20.3.3.4 Date.UTC (year,month,date,hours,minutes,seconds,ms) |
| BUILTIN(DateUTC) { |
| HandleScope scope(isolate); |
| int const argc = args.length() - 1; |
| double year = std::numeric_limits<double>::quiet_NaN(); |
| double month = 0.0, date = 1.0, hours = 0.0, minutes = 0.0, seconds = 0.0, |
| ms = 0.0; |
| if (argc >= 1) { |
| Handle<Object> year_object; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, year_object, |
| Object::ToNumber(isolate, args.at(1))); |
| year = year_object->Number(); |
| if (argc >= 2) { |
| Handle<Object> month_object; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, month_object, |
| Object::ToNumber(isolate, args.at(2))); |
| month = month_object->Number(); |
| if (argc >= 3) { |
| Handle<Object> date_object; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| isolate, date_object, Object::ToNumber(isolate, args.at(3))); |
| date = date_object->Number(); |
| if (argc >= 4) { |
| Handle<Object> hours_object; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| isolate, hours_object, Object::ToNumber(isolate, args.at(4))); |
| hours = hours_object->Number(); |
| if (argc >= 5) { |
| Handle<Object> minutes_object; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| isolate, minutes_object, Object::ToNumber(isolate, args.at(5))); |
| minutes = minutes_object->Number(); |
| if (argc >= 6) { |
| Handle<Object> seconds_object; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| isolate, seconds_object, |
| Object::ToNumber(isolate, args.at(6))); |
| seconds = seconds_object->Number(); |
| if (argc >= 7) { |
| Handle<Object> ms_object; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| isolate, ms_object, Object::ToNumber(isolate, args.at(7))); |
| ms = ms_object->Number(); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| if (!std::isnan(year)) { |
| double const y = DoubleToInteger(year); |
| if (0.0 <= y && y <= 99) year = 1900 + y; |
| } |
| double const day = MakeDay(year, month, date); |
| double const time = MakeTime(hours, minutes, seconds, ms); |
| return *isolate->factory()->NewNumber( |
| DateCache::TimeClip(MakeDate(day, time))); |
| } |
| |
| // ES6 section 20.3.4.20 Date.prototype.setDate ( date ) |
| BUILTIN(DatePrototypeSetDate) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.setDate"); |
| Handle<Object> value = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, value, |
| Object::ToNumber(isolate, value)); |
| double time_val = date->value().Number(); |
| if (!std::isnan(time_val)) { |
| int64_t const time_ms = static_cast<int64_t>(time_val); |
| int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms); |
| int const days = isolate->date_cache()->DaysFromTime(local_time_ms); |
| int time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, days); |
| int year, month, day; |
| isolate->date_cache()->YearMonthDayFromDays(days, &year, &month, &day); |
| time_val = MakeDate(MakeDay(year, month, value->Number()), time_within_day); |
| } |
| return SetLocalDateValue(isolate, date, time_val); |
| } |
| |
| // ES6 section 20.3.4.21 Date.prototype.setFullYear (year, month, date) |
| BUILTIN(DatePrototypeSetFullYear) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.setFullYear"); |
| int const argc = args.length() - 1; |
| Handle<Object> year = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, year, |
| Object::ToNumber(isolate, year)); |
| double year_double = year->Number(), month_double = 0.0, day_double = 1.0; |
| int time_within_day = 0; |
| if (!std::isnan(date->value().Number())) { |
| int64_t const time_ms = static_cast<int64_t>(date->value().Number()); |
| int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms); |
| int const days = isolate->date_cache()->DaysFromTime(local_time_ms); |
| time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, days); |
| int year_int, month_int, day_int; |
| isolate->date_cache()->YearMonthDayFromDays(days, &year_int, &month_int, |
| &day_int); |
| month_double = month_int; |
| day_double = day_int; |
| } |
| if (argc >= 2) { |
| Handle<Object> month = args.at(2); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, month, |
| Object::ToNumber(isolate, month)); |
| month_double = month->Number(); |
| if (argc >= 3) { |
| Handle<Object> day = args.at(3); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, day, |
| Object::ToNumber(isolate, day)); |
| day_double = day->Number(); |
| } |
| } |
| double time_val = |
| MakeDate(MakeDay(year_double, month_double, day_double), time_within_day); |
| return SetLocalDateValue(isolate, date, time_val); |
| } |
| |
| // ES6 section 20.3.4.22 Date.prototype.setHours(hour, min, sec, ms) |
| BUILTIN(DatePrototypeSetHours) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.setHours"); |
| int const argc = args.length() - 1; |
| Handle<Object> hour = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, hour, |
| Object::ToNumber(isolate, hour)); |
| double h = hour->Number(); |
| double time_val = date->value().Number(); |
| if (!std::isnan(time_val)) { |
| int64_t const time_ms = static_cast<int64_t>(time_val); |
| int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms); |
| int day = isolate->date_cache()->DaysFromTime(local_time_ms); |
| int time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, day); |
| double m = (time_within_day / (60 * 1000)) % 60; |
| double s = (time_within_day / 1000) % 60; |
| double milli = time_within_day % 1000; |
| if (argc >= 2) { |
| Handle<Object> min = args.at(2); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, min, |
| Object::ToNumber(isolate, min)); |
| m = min->Number(); |
| if (argc >= 3) { |
| Handle<Object> sec = args.at(3); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, sec, |
| Object::ToNumber(isolate, sec)); |
| s = sec->Number(); |
| if (argc >= 4) { |
| Handle<Object> ms = args.at(4); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, |
| Object::ToNumber(isolate, ms)); |
| milli = ms->Number(); |
| } |
| } |
| } |
| time_val = MakeDate(day, MakeTime(h, m, s, milli)); |
| } |
| return SetLocalDateValue(isolate, date, time_val); |
| } |
| |
| // ES6 section 20.3.4.23 Date.prototype.setMilliseconds(ms) |
| BUILTIN(DatePrototypeSetMilliseconds) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.setMilliseconds"); |
| Handle<Object> ms = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, |
| Object::ToNumber(isolate, ms)); |
| double time_val = date->value().Number(); |
| if (!std::isnan(time_val)) { |
| int64_t const time_ms = static_cast<int64_t>(time_val); |
| int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms); |
| int day = isolate->date_cache()->DaysFromTime(local_time_ms); |
| int time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, day); |
| int h = time_within_day / (60 * 60 * 1000); |
| int m = (time_within_day / (60 * 1000)) % 60; |
| int s = (time_within_day / 1000) % 60; |
| time_val = MakeDate(day, MakeTime(h, m, s, ms->Number())); |
| } |
| return SetLocalDateValue(isolate, date, time_val); |
| } |
| |
| // ES6 section 20.3.4.24 Date.prototype.setMinutes ( min, sec, ms ) |
| BUILTIN(DatePrototypeSetMinutes) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.setMinutes"); |
| int const argc = args.length() - 1; |
| Handle<Object> min = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, min, |
| Object::ToNumber(isolate, min)); |
| double time_val = date->value().Number(); |
| if (!std::isnan(time_val)) { |
| int64_t const time_ms = static_cast<int64_t>(time_val); |
| int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms); |
| int day = isolate->date_cache()->DaysFromTime(local_time_ms); |
| int time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, day); |
| int h = time_within_day / (60 * 60 * 1000); |
| double m = min->Number(); |
| double s = (time_within_day / 1000) % 60; |
| double milli = time_within_day % 1000; |
| if (argc >= 2) { |
| Handle<Object> sec = args.at(2); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, sec, |
| Object::ToNumber(isolate, sec)); |
| s = sec->Number(); |
| if (argc >= 3) { |
| Handle<Object> ms = args.at(3); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, |
| Object::ToNumber(isolate, ms)); |
| milli = ms->Number(); |
| } |
| } |
| time_val = MakeDate(day, MakeTime(h, m, s, milli)); |
| } |
| return SetLocalDateValue(isolate, date, time_val); |
| } |
| |
| // ES6 section 20.3.4.25 Date.prototype.setMonth ( month, date ) |
| BUILTIN(DatePrototypeSetMonth) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, this_date, "Date.prototype.setMonth"); |
| int const argc = args.length() - 1; |
| Handle<Object> month = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, month, |
| Object::ToNumber(isolate, month)); |
| double time_val = this_date->value().Number(); |
| if (!std::isnan(time_val)) { |
| int64_t const time_ms = static_cast<int64_t>(time_val); |
| int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms); |
| int days = isolate->date_cache()->DaysFromTime(local_time_ms); |
| int time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, days); |
| int year, unused, day; |
| isolate->date_cache()->YearMonthDayFromDays(days, &year, &unused, &day); |
| double m = month->Number(); |
| double dt = day; |
| if (argc >= 2) { |
| Handle<Object> date = args.at(2); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, date, |
| Object::ToNumber(isolate, date)); |
| dt = date->Number(); |
| } |
| time_val = MakeDate(MakeDay(year, m, dt), time_within_day); |
| } |
| return SetLocalDateValue(isolate, this_date, time_val); |
| } |
| |
| // ES6 section 20.3.4.26 Date.prototype.setSeconds ( sec, ms ) |
| BUILTIN(DatePrototypeSetSeconds) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.setSeconds"); |
| int const argc = args.length() - 1; |
| Handle<Object> sec = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, sec, |
| Object::ToNumber(isolate, sec)); |
| double time_val = date->value().Number(); |
| if (!std::isnan(time_val)) { |
| int64_t const time_ms = static_cast<int64_t>(time_val); |
| int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms); |
| int day = isolate->date_cache()->DaysFromTime(local_time_ms); |
| int time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, day); |
| int h = time_within_day / (60 * 60 * 1000); |
| double m = (time_within_day / (60 * 1000)) % 60; |
| double s = sec->Number(); |
| double milli = time_within_day % 1000; |
| if (argc >= 2) { |
| Handle<Object> ms = args.at(2); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, |
| Object::ToNumber(isolate, ms)); |
| milli = ms->Number(); |
| } |
| time_val = MakeDate(day, MakeTime(h, m, s, milli)); |
| } |
| return SetLocalDateValue(isolate, date, time_val); |
| } |
| |
| // ES6 section 20.3.4.27 Date.prototype.setTime ( time ) |
| BUILTIN(DatePrototypeSetTime) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.setTime"); |
| Handle<Object> value = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, value, |
| Object::ToNumber(isolate, value)); |
| return *JSDate::SetValue(date, DateCache::TimeClip(value->Number())); |
| } |
| |
| // ES6 section 20.3.4.28 Date.prototype.setUTCDate ( date ) |
| BUILTIN(DatePrototypeSetUTCDate) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.setUTCDate"); |
| Handle<Object> value = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, value, |
| Object::ToNumber(isolate, value)); |
| if (std::isnan(date->value().Number())) return date->value(); |
| int64_t const time_ms = static_cast<int64_t>(date->value().Number()); |
| int const days = isolate->date_cache()->DaysFromTime(time_ms); |
| int const time_within_day = isolate->date_cache()->TimeInDay(time_ms, days); |
| int year, month, day; |
| isolate->date_cache()->YearMonthDayFromDays(days, &year, &month, &day); |
| double const time_val = |
| MakeDate(MakeDay(year, month, value->Number()), time_within_day); |
| return *JSDate::SetValue(date, DateCache::TimeClip(time_val)); |
| } |
| |
| // ES6 section 20.3.4.29 Date.prototype.setUTCFullYear (year, month, date) |
| BUILTIN(DatePrototypeSetUTCFullYear) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.setUTCFullYear"); |
| int const argc = args.length() - 1; |
| Handle<Object> year = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, year, |
| Object::ToNumber(isolate, year)); |
| double year_double = year->Number(), month_double = 0.0, day_double = 1.0; |
| int time_within_day = 0; |
| if (!std::isnan(date->value().Number())) { |
| int64_t const time_ms = static_cast<int64_t>(date->value().Number()); |
| int const days = isolate->date_cache()->DaysFromTime(time_ms); |
| time_within_day = isolate->date_cache()->TimeInDay(time_ms, days); |
| int year_int, month_int, day_int; |
| isolate->date_cache()->YearMonthDayFromDays(days, &year_int, &month_int, |
| &day_int); |
| month_double = month_int; |
| day_double = day_int; |
| } |
| if (argc >= 2) { |
| Handle<Object> month = args.at(2); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, month, |
| Object::ToNumber(isolate, month)); |
| month_double = month->Number(); |
| if (argc >= 3) { |
| Handle<Object> day = args.at(3); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, day, |
| Object::ToNumber(isolate, day)); |
| day_double = day->Number(); |
| } |
| } |
| double const time_val = |
| MakeDate(MakeDay(year_double, month_double, day_double), time_within_day); |
| return *JSDate::SetValue(date, DateCache::TimeClip(time_val)); |
| } |
| |
| // ES6 section 20.3.4.30 Date.prototype.setUTCHours(hour, min, sec, ms) |
| BUILTIN(DatePrototypeSetUTCHours) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.setUTCHours"); |
| int const argc = args.length() - 1; |
| Handle<Object> hour = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, hour, |
| Object::ToNumber(isolate, hour)); |
| double h = hour->Number(); |
| double time_val = date->value().Number(); |
| if (!std::isnan(time_val)) { |
| int64_t const time_ms = static_cast<int64_t>(time_val); |
| int day = isolate->date_cache()->DaysFromTime(time_ms); |
| int time_within_day = isolate->date_cache()->TimeInDay(time_ms, day); |
| double m = (time_within_day / (60 * 1000)) % 60; |
| double s = (time_within_day / 1000) % 60; |
| double milli = time_within_day % 1000; |
| if (argc >= 2) { |
| Handle<Object> min = args.at(2); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, min, |
| Object::ToNumber(isolate, min)); |
| m = min->Number(); |
| if (argc >= 3) { |
| Handle<Object> sec = args.at(3); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, sec, |
| Object::ToNumber(isolate, sec)); |
| s = sec->Number(); |
| if (argc >= 4) { |
| Handle<Object> ms = args.at(4); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, |
| Object::ToNumber(isolate, ms)); |
| milli = ms->Number(); |
| } |
| } |
| } |
| time_val = MakeDate(day, MakeTime(h, m, s, milli)); |
| } |
| return *JSDate::SetValue(date, DateCache::TimeClip(time_val)); |
| } |
| |
| // ES6 section 20.3.4.31 Date.prototype.setUTCMilliseconds(ms) |
| BUILTIN(DatePrototypeSetUTCMilliseconds) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.setUTCMilliseconds"); |
| Handle<Object> ms = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, |
| Object::ToNumber(isolate, ms)); |
| double time_val = date->value().Number(); |
| if (!std::isnan(time_val)) { |
| int64_t const time_ms = static_cast<int64_t>(time_val); |
| int day = isolate->date_cache()->DaysFromTime(time_ms); |
| int time_within_day = isolate->date_cache()->TimeInDay(time_ms, day); |
| int h = time_within_day / (60 * 60 * 1000); |
| int m = (time_within_day / (60 * 1000)) % 60; |
| int s = (time_within_day / 1000) % 60; |
| time_val = MakeDate(day, MakeTime(h, m, s, ms->Number())); |
| } |
| return *JSDate::SetValue(date, DateCache::TimeClip(time_val)); |
| } |
| |
| // ES6 section 20.3.4.32 Date.prototype.setUTCMinutes ( min, sec, ms ) |
| BUILTIN(DatePrototypeSetUTCMinutes) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.setUTCMinutes"); |
| int const argc = args.length() - 1; |
| Handle<Object> min = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, min, |
| Object::ToNumber(isolate, min)); |
| double time_val = date->value().Number(); |
| if (!std::isnan(time_val)) { |
| int64_t const time_ms = static_cast<int64_t>(time_val); |
| int day = isolate->date_cache()->DaysFromTime(time_ms); |
| int time_within_day = isolate->date_cache()->TimeInDay(time_ms, day); |
| int h = time_within_day / (60 * 60 * 1000); |
| double m = min->Number(); |
| double s = (time_within_day / 1000) % 60; |
| double milli = time_within_day % 1000; |
| if (argc >= 2) { |
| Handle<Object> sec = args.at(2); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, sec, |
| Object::ToNumber(isolate, sec)); |
| s = sec->Number(); |
| if (argc >= 3) { |
| Handle<Object> ms = args.at(3); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, |
| Object::ToNumber(isolate, ms)); |
| milli = ms->Number(); |
| } |
| } |
| time_val = MakeDate(day, MakeTime(h, m, s, milli)); |
| } |
| return *JSDate::SetValue(date, DateCache::TimeClip(time_val)); |
| } |
| |
| // ES6 section 20.3.4.31 Date.prototype.setUTCMonth ( month, date ) |
| BUILTIN(DatePrototypeSetUTCMonth) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, this_date, "Date.prototype.setUTCMonth"); |
| int const argc = args.length() - 1; |
| Handle<Object> month = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, month, |
| Object::ToNumber(isolate, month)); |
| double time_val = this_date->value().Number(); |
| if (!std::isnan(time_val)) { |
| int64_t const time_ms = static_cast<int64_t>(time_val); |
| int days = isolate->date_cache()->DaysFromTime(time_ms); |
| int time_within_day = isolate->date_cache()->TimeInDay(time_ms, days); |
| int year, unused, day; |
| isolate->date_cache()->YearMonthDayFromDays(days, &year, &unused, &day); |
| double m = month->Number(); |
| double dt = day; |
| if (argc >= 2) { |
| Handle<Object> date = args.at(2); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, date, |
| Object::ToNumber(isolate, date)); |
| dt = date->Number(); |
| } |
| time_val = MakeDate(MakeDay(year, m, dt), time_within_day); |
| } |
| return *JSDate::SetValue(this_date, DateCache::TimeClip(time_val)); |
| } |
| |
| // ES6 section 20.3.4.34 Date.prototype.setUTCSeconds ( sec, ms ) |
| BUILTIN(DatePrototypeSetUTCSeconds) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.setUTCSeconds"); |
| int const argc = args.length() - 1; |
| Handle<Object> sec = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, sec, |
| Object::ToNumber(isolate, sec)); |
| double time_val = date->value().Number(); |
| if (!std::isnan(time_val)) { |
| int64_t const time_ms = static_cast<int64_t>(time_val); |
| int day = isolate->date_cache()->DaysFromTime(time_ms); |
| int time_within_day = isolate->date_cache()->TimeInDay(time_ms, day); |
| int h = time_within_day / (60 * 60 * 1000); |
| double m = (time_within_day / (60 * 1000)) % 60; |
| double s = sec->Number(); |
| double milli = time_within_day % 1000; |
| if (argc >= 2) { |
| Handle<Object> ms = args.at(2); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, |
| Object::ToNumber(isolate, ms)); |
| milli = ms->Number(); |
| } |
| time_val = MakeDate(day, MakeTime(h, m, s, milli)); |
| } |
| return *JSDate::SetValue(date, DateCache::TimeClip(time_val)); |
| } |
| |
| // ES6 section 20.3.4.35 Date.prototype.toDateString ( ) |
| BUILTIN(DatePrototypeToDateString) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.toDateString"); |
| DateBuffer buffer = |
| ToDateString(date->value().Number(), isolate->date_cache(), kDateOnly); |
| RETURN_RESULT_OR_FAILURE( |
| isolate, isolate->factory()->NewStringFromUtf8(base::VectorOf(buffer))); |
| } |
| |
| // ES6 section 20.3.4.36 Date.prototype.toISOString ( ) |
| BUILTIN(DatePrototypeToISOString) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.toISOString"); |
| double const time_val = date->value().Number(); |
| if (std::isnan(time_val)) { |
| THROW_NEW_ERROR_RETURN_FAILURE( |
| isolate, NewRangeError(MessageTemplate::kInvalidTimeValue)); |
| } |
| int64_t const time_ms = static_cast<int64_t>(time_val); |
| int year, month, day, weekday, hour, min, sec, ms; |
| isolate->date_cache()->BreakDownTime(time_ms, &year, &month, &day, &weekday, |
| &hour, &min, &sec, &ms); |
| char buffer[128]; |
| if (year >= 0 && year <= 9999) { |
| SNPrintF(base::ArrayVector(buffer), "%04d-%02d-%02dT%02d:%02d:%02d.%03dZ", |
| year, month + 1, day, hour, min, sec, ms); |
| } else if (year < 0) { |
| SNPrintF(base::ArrayVector(buffer), "-%06d-%02d-%02dT%02d:%02d:%02d.%03dZ", |
| -year, month + 1, day, hour, min, sec, ms); |
| } else { |
| SNPrintF(base::ArrayVector(buffer), "+%06d-%02d-%02dT%02d:%02d:%02d.%03dZ", |
| year, month + 1, day, hour, min, sec, ms); |
| } |
| return *isolate->factory()->NewStringFromAsciiChecked(buffer); |
| } |
| |
| // ES6 section 20.3.4.41 Date.prototype.toString ( ) |
| BUILTIN(DatePrototypeToString) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.toString"); |
| DateBuffer buffer = |
| ToDateString(date->value().Number(), isolate->date_cache()); |
| RETURN_RESULT_OR_FAILURE( |
| isolate, isolate->factory()->NewStringFromUtf8(base::VectorOf(buffer))); |
| } |
| |
| // ES6 section 20.3.4.42 Date.prototype.toTimeString ( ) |
| BUILTIN(DatePrototypeToTimeString) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.toTimeString"); |
| DateBuffer buffer = |
| ToDateString(date->value().Number(), isolate->date_cache(), kTimeOnly); |
| RETURN_RESULT_OR_FAILURE( |
| isolate, isolate->factory()->NewStringFromUtf8(base::VectorOf(buffer))); |
| } |
| |
| #ifdef V8_INTL_SUPPORT |
| // ecma402 #sup-date.prototype.tolocaledatestring |
| BUILTIN(DatePrototypeToLocaleDateString) { |
| HandleScope scope(isolate); |
| |
| isolate->CountUsage(v8::Isolate::UseCounterFeature::kDateToLocaleDateString); |
| |
| const char* method_name = "Date.prototype.toLocaleDateString"; |
| CHECK_RECEIVER(JSDate, date, method_name); |
| |
| RETURN_RESULT_OR_FAILURE( |
| isolate, JSDateTimeFormat::ToLocaleDateTime( |
| isolate, |
| date, // date |
| args.atOrUndefined(isolate, 1), // locales |
| args.atOrUndefined(isolate, 2), // options |
| JSDateTimeFormat::RequiredOption::kDate, // required |
| JSDateTimeFormat::DefaultsOption::kDate, // defaults |
| method_name)); // method_name |
| } |
| |
| // ecma402 #sup-date.prototype.tolocalestring |
| BUILTIN(DatePrototypeToLocaleString) { |
| HandleScope scope(isolate); |
| |
| isolate->CountUsage(v8::Isolate::UseCounterFeature::kDateToLocaleString); |
| |
| const char* method_name = "Date.prototype.toLocaleString"; |
| CHECK_RECEIVER(JSDate, date, method_name); |
| |
| RETURN_RESULT_OR_FAILURE( |
| isolate, JSDateTimeFormat::ToLocaleDateTime( |
| isolate, |
| date, // date |
| args.atOrUndefined(isolate, 1), // locales |
| args.atOrUndefined(isolate, 2), // options |
| JSDateTimeFormat::RequiredOption::kAny, // required |
| JSDateTimeFormat::DefaultsOption::kAll, // defaults |
| method_name)); // method_name |
| } |
| |
| // ecma402 #sup-date.prototype.tolocaletimestring |
| BUILTIN(DatePrototypeToLocaleTimeString) { |
| HandleScope scope(isolate); |
| |
| isolate->CountUsage(v8::Isolate::UseCounterFeature::kDateToLocaleTimeString); |
| |
| const char* method_name = "Date.prototype.toLocaleTimeString"; |
| CHECK_RECEIVER(JSDate, date, method_name); |
| |
| RETURN_RESULT_OR_FAILURE( |
| isolate, JSDateTimeFormat::ToLocaleDateTime( |
| isolate, |
| date, // date |
| args.atOrUndefined(isolate, 1), // locales |
| args.atOrUndefined(isolate, 2), // options |
| JSDateTimeFormat::RequiredOption::kTime, // required |
| JSDateTimeFormat::DefaultsOption::kTime, // defaults |
| method_name)); // method_name |
| } |
| #endif // V8_INTL_SUPPORT |
| |
| // ES6 section 20.3.4.43 Date.prototype.toUTCString ( ) |
| BUILTIN(DatePrototypeToUTCString) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.toUTCString"); |
| double const time_val = date->value().Number(); |
| if (std::isnan(time_val)) { |
| return *isolate->factory()->NewStringFromAsciiChecked("Invalid Date"); |
| } |
| char buffer[128]; |
| int64_t time_ms = static_cast<int64_t>(time_val); |
| int year, month, day, weekday, hour, min, sec, ms; |
| isolate->date_cache()->BreakDownTime(time_ms, &year, &month, &day, &weekday, |
| &hour, &min, &sec, &ms); |
| SNPrintF(base::ArrayVector(buffer), |
| (year < 0) ? "%s, %02d %s %05d %02d:%02d:%02d GMT" |
| : "%s, %02d %s %04d %02d:%02d:%02d GMT", |
| kShortWeekDays[weekday], day, kShortMonths[month], year, hour, min, |
| sec); |
| return *isolate->factory()->NewStringFromAsciiChecked(buffer); |
| } |
| |
| // ES6 section B.2.4.1 Date.prototype.getYear ( ) |
| BUILTIN(DatePrototypeGetYear) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.getYear"); |
| double time_val = date->value().Number(); |
| if (std::isnan(time_val)) return date->value(); |
| int64_t time_ms = static_cast<int64_t>(time_val); |
| int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms); |
| int days = isolate->date_cache()->DaysFromTime(local_time_ms); |
| int year, month, day; |
| isolate->date_cache()->YearMonthDayFromDays(days, &year, &month, &day); |
| return Smi::FromInt(year - 1900); |
| } |
| |
| // ES6 section B.2.4.2 Date.prototype.setYear ( year ) |
| BUILTIN(DatePrototypeSetYear) { |
| HandleScope scope(isolate); |
| CHECK_RECEIVER(JSDate, date, "Date.prototype.setYear"); |
| Handle<Object> year = args.atOrUndefined(isolate, 1); |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, year, |
| Object::ToNumber(isolate, year)); |
| double month_double = 0.0, day_double = 1.0, year_double = year->Number(); |
| if (!std::isnan(year_double)) { |
| double year_int = DoubleToInteger(year_double); |
| if (0.0 <= year_int && year_int <= 99.0) { |
| year_double = 1900.0 + year_int; |
| } |
| } |
| int time_within_day = 0; |
| if (!std::isnan(date->value().Number())) { |
| int64_t const time_ms = static_cast<int64_t>(date->value().Number()); |
| int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms); |
| int const days = isolate->date_cache()->DaysFromTime(local_time_ms); |
| time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, days); |
| int year_int, month_int, day_int; |
| isolate->date_cache()->YearMonthDayFromDays(days, &year_int, &month_int, |
| &day_int); |
| month_double = month_int; |
| day_double = day_int; |
| } |
| double time_val = |
| MakeDate(MakeDay(year_double, month_double, day_double), time_within_day); |
| return SetLocalDateValue(isolate, date, time_val); |
| } |
| |
| // ES6 section 20.3.4.37 Date.prototype.toJSON ( key ) |
| BUILTIN(DatePrototypeToJson) { |
| HandleScope scope(isolate); |
| Handle<Object> receiver = args.atOrUndefined(isolate, 0); |
| Handle<JSReceiver> receiver_obj; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, receiver_obj, |
| Object::ToObject(isolate, receiver)); |
| Handle<Object> primitive; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| isolate, primitive, |
| Object::ToPrimitive(isolate, receiver_obj, ToPrimitiveHint::kNumber)); |
| if (primitive->IsNumber() && !std::isfinite(primitive->Number())) { |
| return ReadOnlyRoots(isolate).null_value(); |
| } else { |
| Handle<String> name = |
| isolate->factory()->NewStringFromAsciiChecked("toISOString"); |
| Handle<Object> function; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| isolate, function, Object::GetProperty(isolate, receiver_obj, name)); |
| if (!function->IsCallable()) { |
| THROW_NEW_ERROR_RETURN_FAILURE( |
| isolate, NewTypeError(MessageTemplate::kCalledNonCallable, name)); |
| } |
| RETURN_RESULT_OR_FAILURE( |
| isolate, Execution::Call(isolate, function, receiver_obj, 0, nullptr)); |
| } |
| } |
| |
| } // namespace internal |
| } // namespace v8 |
