Implement fromEnvironment on bool, int, String in dart2js.

sdk/lib/_internal/compiler/implementation/compiler.dart

Index: sdk/lib/_internal/compiler/implementation/compiler.dart
===================================================================
--- sdk/lib/_internal/compiler/implementation/compiler.dart	(revision 29517)
+++ sdk/lib/_internal/compiler/implementation/compiler.dart	(working copy)
@@ -465,7 +465,12 @@
   Element identicalFunction;
   Element functionApplyMethod;
   Element invokeOnMethod;
+  Element intEnvironment;
+  Element boolEnvironment;
+  Element stringEnvironment;
 
+  fromEnvironment(String name) => null;
+
   Element get currentElement => _currentElement;
 
   String tryToString(object) {
@@ -844,6 +849,15 @@
           symbolValidatedConstructorSelector);
     } else if (mirrorsUsedClass == cls) {
       mirrorsUsedConstructor = cls.constructors.head;
+    } else if (intClass == cls) {
+      intEnvironment = intClass.lookupConstructor(
+          new Selector.callConstructor('fromEnvironment', null, 2));
+    } else if (stringClass == cls) {
+      stringEnvironment = stringClass.lookupConstructor(
+          new Selector.callConstructor('fromEnvironment', null, 2));
+    } else if (boolClass == cls) {
+      boolEnvironment = boolClass.lookupConstructor(
+          new Selector.callConstructor('fromEnvironment', null, 1));

[kasperl, 2013/10/30 13:35:25]

Again, I don't really see why bool.fromEnvironment shouldn't allow a default
value.

[ngeoffray, 2013/10/30 15:13:59]

Done.

     }
   }