Clean up leg.dart.

dart/tests/compiler/dart2js/compiler_helper.dart

 // Copyright (c) 2012, 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.
 // Test constant folding.
 
-#library("compiler_helper");
+library compiler_helper;
 
-#import("dart:uri");
+import "dart:uri";
 
-#import("../../../lib/compiler/implementation/elements/elements.dart", prefix: "lego");
-#import("../../../lib/compiler/implementation/js_backend/js_backend.dart", prefix: "js");
-#import("../../../lib/compiler/implementation/leg.dart", prefix: "leg");
-#import("../../../lib/compiler/implementation/ssa/ssa.dart", prefix: "ssa");
-#import("../../../lib/compiler/implementation/util/util.dart");
-#import('../../../lib/compiler/implementation/source_file.dart');
+import "../../../lib/compiler/implementation/elements/elements.dart" as lego;
+import "../../../lib/compiler/implementation/js_backend/js_backend.dart" as js;
+import "../../../lib/compiler/implementation/dart2jslib.dart" as leg;
+import "../../../lib/compiler/implementation/ssa/ssa.dart" as ssa;
+import "../../../lib/compiler/implementation/util/util.dart";
+import '../../../lib/compiler/implementation/source_file.dart';
 
-#import("mock_compiler.dart");
-#import("parser_helper.dart");
+import "mock_compiler.dart";
+import "parser_helper.dart";
 
 String compile(String code, {String entry: 'main',
                              bool enableTypeAssertions: false,
                              bool minify: false}) {
   MockCompiler compiler =
       new MockCompiler(enableTypeAssertions: enableTypeAssertions,
                        enableMinification: minify);
   compiler.parseScript(code);
   lego.Element element = compiler.mainApp.find(buildSourceString(entry));
   if (element === null) return null;
@@ skipping 85 matching lines @@
   regexp = regexp.replaceAll(xRe, '(?:$anyIdentifier)');
   final spaceRe = new RegExp('\\s+');
   regexp = regexp.replaceAll(spaceRe, '(?:\\s*)');
   if (shouldMatch) {
     Expect.isTrue(new RegExp(regexp).hasMatch(generated));
   } else {
     Expect.isFalse(new RegExp(regexp).hasMatch(generated));
   }
 }