Avoid dart:io dependency in try

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.
 
 library compiler_helper;
 
 import 'dart:async';
 import "package:expect/expect.dart";
 
-import 'package:compiler/compiler.dart' as api;
-
 import 'package:compiler/src/elements/elements.dart'
        as lego;
 export 'package:compiler/src/elements/elements.dart';
 
 import 'package:compiler/src/js_backend/js_backend.dart'
        as js;
 
 import 'package:compiler/src/commandline_options.dart';
 import 'package:compiler/src/common/codegen.dart';
 import 'package:compiler/src/common/resolution.dart';
@@ skipping 11 matching lines @@
 export 'package:compiler/src/util/util.dart';
 
 import 'package:compiler/src/compiler.dart'
        show Compiler;
 
 export 'package:compiler/src/tree/tree.dart';
 
 import 'mock_compiler.dart';
 export 'mock_compiler.dart';
 
-import 'memory_compiler.dart';
+import 'memory_compiler.dart' hide compilerFor;
 
 import 'output_collector.dart';
 export 'output_collector.dart';
 
 /// Compile [code] and returns the code for [entry].
 ///
 /// If [check] is provided, it is executed on the code for [entry] before
 /// returning. If [useMock] is `true` the [MockCompiler] is used for
 /// compilation, otherwise the memory compiler is used.
 Future<String> compile(String code,
@@ skipping 71 matching lines @@
     lego.Element element = compiler.mainApp.find(entry);
     js.JavaScriptBackend backend = compiler.backend;
     String generated = backend.getGeneratedCode(element);
     if (check != null) {
       check(generated);
     }
     return generated;
   }
 }
 
-// TODO(herhut): Disallow warnings and errors during compilation by default.

[Johnni Winther, 2015/09/11 14:02:55]

Moved to mock_compiler.dart

-MockCompiler compilerFor(String code, Uri uri,
-                         {bool analyzeAll: false,
-                          bool analyzeOnly: false,
-                          Map<String, String> coreSource,
-                          bool disableInlining: true,
-                          bool minify: false,
-                          bool trustTypeAnnotations: false,
-                          bool enableTypeAssertions: false,
-                          int expectedErrors,
-                          int expectedWarnings,
-                          api.CompilerOutputProvider outputProvider}) {
-  MockCompiler compiler = new MockCompiler.internal(
-      analyzeAll: analyzeAll,
-      analyzeOnly: analyzeOnly,
-      coreSource: coreSource,
-      disableInlining: disableInlining,
-      enableMinification: minify,
-      trustTypeAnnotations: trustTypeAnnotations,
-      enableTypeAssertions: enableTypeAssertions,
-      expectedErrors: expectedErrors,
-      expectedWarnings: expectedWarnings,
-      outputProvider: outputProvider);
-  compiler.registerSource(uri, code);
-  compiler.diagnosticHandler = createHandler(compiler, code);
-  return compiler;
-}
-
 Future<String> compileAll(String code,
                           {Map<String, String> coreSource,
                            bool disableInlining: true,
                            bool trustTypeAnnotations: false,
                            bool minify: false,
                            int expectedErrors,
                            int expectedWarnings}) {
   Uri uri = new Uri(scheme: 'source');
   OutputCollector outputCollector = new OutputCollector();
   MockCompiler compiler = compilerFor(
@@ skipping 137 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));
     }
   });
 }