Revert "Removes dartc reliance on its own libraries, now can be targeted at any implementation's li…

compiler/lib/implementation/date_implementation.js

Index: compiler/lib/implementation/date_implementation.js
diff --git a/compiler/lib/implementation/date_implementation.js b/compiler/lib/implementation/date_implementation.js
new file mode 100644
index 0000000000000000000000000000000000000000..ccd912d4d49ff7eff491ead60aa927f2ea8c5a5c
--- /dev/null
+++ b/compiler/lib/implementation/date_implementation.js
@@ -0,0 +1,80 @@
+// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// Dart core library.
+
+function date$validateValue(value) {
+  if (isNaN(value)) {
+    // TODO(floitsch): Use real exception object.
+    throw Error("Invalid Date");
+  }
+  return value;
+}
+
+function native_DateImplementation__valueFromDecomposed(
+    years, month, day, hours, minutes, seconds, milliseconds, isUtc) {
+  // JavaScript has 0-based months.
+  var jsMonth = month - 1;
+  var value = isUtc ?
+              Date.UTC(years, jsMonth, day,
+                       hours, minutes, seconds, milliseconds) :
+              new Date(years, jsMonth, day,
+                       hours, minutes, seconds, milliseconds).valueOf();
+  return date$validateValue(value);
+}
+
+function native_DateImplementation__valueFromString(str) {
+  return date$validateValue(Date.parse(str));
+}
+
+function native_DateImplementation__now() {
+  return new Date().valueOf();
+}
+
+function date$dateFrom(dartDate, value) {
+  // Lazily keep a JS Date stored in the dart object.
+  var date = dartDate.date;
+  if (!date) {
+    date = new Date(value);
+    dartDate.date = date;
+  }
+  return date;
+}
+
+function native_DateImplementation__getYear(value, isUtc) {
+  var date = date$dateFrom(this, value);
+  return isUtc ? date.getUTCFullYear() : date.getFullYear();
+}
+
+function native_DateImplementation__getMonth(value, isUtc) {
+  var date = date$dateFrom(this, value);
+  var jsMonth = isUtc ? date.getUTCMonth() : date.getMonth();
+  // JavaScript has 0-based months.
+  return jsMonth + 1;
+}
+
+function native_DateImplementation__getDay(value, isUtc) {
+  var date = date$dateFrom(this, value);
+  return isUtc ? date.getUTCDate() : date.getDate();
+}
+
+function native_DateImplementation__getHours(value, isUtc) {
+  var date = date$dateFrom(this, value);
+  return isUtc ? date.getUTCHours() : date.getHours();
+}
+
+function native_DateImplementation__getMinutes(value, isUtc) {
+  var date = date$dateFrom(this, value);
+  return isUtc ? date.getUTCMinutes() : date.getMinutes();
+}
+
+function native_DateImplementation__getSeconds(value, isUtc) {
+  var date = date$dateFrom(this, value);
+  return isUtc ? date.getUTCSeconds() : date.getSeconds();
+}
+
+function native_DateImplementation__getMilliseconds(value, isUtc) {
+  var date = date$dateFrom(this, value);
+  return isUtc ? date.getUTCMilliseconds() : date.getMilliseconds();
+}