Refactoring of string literals. Implement static string addition.

frog/tests/leg/src/BuiltinInterceptorTest.dart

Index: frog/tests/leg/src/BuiltinInterceptorTest.dart
diff --git a/frog/tests/leg/src/BuiltinInterceptorTest.dart b/frog/tests/leg/src/BuiltinInterceptorTest.dart
index a5d617cf35a137cdcda32158f2d812f81b604566..bcf920a1960ca007ed5c883fb7d33c8723b56ea2 100644
--- a/frog/tests/leg/src/BuiltinInterceptorTest.dart
+++ b/frog/tests/leg/src/BuiltinInterceptorTest.dart
@@ -29,8 +29,8 @@ main() {
   // TODO(lrn): Switch these two to isTrue when we support constant folding

[floitsch, 2012/01/30 16:06:56]

remove TODO.

[Lasse Reichstein Nielsen, 2012/01/31 06:46:15]

Done.

   // of string length.
   generated = compile(TEST_TWO, 'foo');
-  Expect.isFalse(generated.contains("return 3;"));
+  Expect.isTrue(generated.contains("return 3;"));
 
   generated = compile(TEST_THREE, 'foo');
-  Expect.isFalse(generated.contains("return 3;"));
+  Expect.isTrue(generated.contains("return 3;"));
 }