Disable infer-from-overrides by default

lib/src/options.dart

 // Copyright (c) 2014, 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.
 
 /// Set of flags and options passed to the compiler
 library dev_compiler.src.options;
 
 import 'dart:io';
 
 import 'package:args/args.dart';
 import 'package:cli_util/cli_util.dart' show getSdkDir;
 import 'package:dev_compiler/config.dart';
 import 'package:logging/logging.dart' show Level;
 
 /// Options used by our TypeResolver.
 class ResolverOptions {
   /// Whether to resolve 'package:' uris using the multi-package resolver.
   final bool useMultiPackage;
 
   /// Package root when resolving 'package:' urls the standard way.
   final String packageRoot;
 
   /// List of paths used for the multi-package resolver.
   final List<String> packagePaths;
 
   /// Whether to infer return types and field types from overriden members.
   final bool inferFromOverrides;
+  static const bool INFER_FROM_OVERRIDES_DEFAULT = false;

[vsm, 2015/03/05 03:58:56]

Trying to make one place to set this so it's easy to switch.

 
   /// Whether to infer types for consts and static fields by looking at
   /// identifiers on the RHS. For example, in a constant declaration like:
   ///
   ///      const A = B;
   ///
   /// We can infer the type of `A` based on the type of `B`. The current
   /// implementation of this inference is limited and will only work if `B` is
   /// defined in a different library than `A`. Because this might be surprising
   /// to users, this is turned off by default.
   final bool inferStaticsFromIdentifiers;
 
   /// Whether to ignore ordering issues and do a best effort in inference. When
   /// false, inference of top-levels and statics is limited to only consider
   /// expressions in the RHS for which the type is known precisely without
   /// regard of the ordering in which we apply inference. Turning this flag on
   /// will consider more expressions, including expressions where the RHS is
   /// another identifier (which [inferStaticsFromIdentifiers]).
   ///
   /// Note: this option is experimental will be removed once we have a proper
   /// implementation of inference in the future, which should handle all
   /// ordering concerns.
   final bool inferInNonStableOrder;
 
   /// Restrict inference of fields and top-levels to those that are final and
   /// const.
   final bool onlyInferConstsAndFinalFields;
 
   ResolverOptions({this.useMultiPackage: false, this.packageRoot: 'packages/',
-      this.packagePaths: const <String>[], this.inferFromOverrides: true,
+      this.packagePaths: const <String>[],
+      this.inferFromOverrides: INFER_FROM_OVERRIDES_DEFAULT,
       this.inferStaticsFromIdentifiers: false,
       this.inferInNonStableOrder: false,
       this.onlyInferConstsAndFinalFields: false});
 }
 
 // TODO(vsm): Merge RulesOptions and TypeOptions
 /// Options used by our RestrictedRules.
 class RulesOptions extends TypeOptions {
   /// Whether to allow casts in constant contexts.
   final bool allowConstCasts;
@@ skipping 129 matching lines @@
   @override
   final bool emitSourceMaps;
 
   CompilerOptions({this.allowConstCasts: true, this.checkSdk: false,
       this.dumpInfo: false, this.dumpInfoFile, this.dumpSrcDir,
       this.forceCompile: false, this.formatOutput: false,
       this.cheapTestFormat: false, this.ignoreTypes: false, this.outputDir,
       this.outputDart: false, this.useColors: true,
       this.covariantGenerics: true, this.relaxedCasts: true,
       this.useMultiPackage: false, this.packageRoot: 'packages/',
-      this.packagePaths: const <String>[], this.inferFromOverrides: true,
+      this.packagePaths: const <String>[],
+      this.inferFromOverrides: ResolverOptions.INFER_FROM_OVERRIDES_DEFAULT,
       this.inferStaticsFromIdentifiers: false,
       this.inferInNonStableOrder: false,
       this.onlyInferConstsAndFinalFields: false,
       this.nonnullableTypes: TypeOptions.NONNULLABLE_TYPES, this.help: false,
       this.useMockSdk: false, this.dartSdkPath, this.logLevel: Level.SEVERE,
       this.emitSourceMaps: true, this.entryPointFile: null,
       this.serverMode: false, this.port: 8080});
 }
 
 /// Parses options from the command-line
@@ skipping 52 matching lines @@
   ..addFlag('ignore-types',
       help: 'Ignore types during codegen', defaultsTo: false)
   ..addFlag('relaxed-casts',
       help: 'Cast between Dart assignable types', defaultsTo: true)
   ..addOption('nonnullable',
       abbr: 'n',
       help: 'Comma separated string of non-nullable types',
       defaultsTo: null)
   ..addFlag('infer-from-overrides',
       help: 'Infer unspecified types of fields and return types from '
-      'definitions in supertypes', defaultsTo: true)
+      'definitions in supertypes',
+      defaultsTo: ResolverOptions.INFER_FROM_OVERRIDES_DEFAULT)
   ..addFlag('infer-transitively',
       help: 'Infer consts/fields from definitions in other libraries',
       defaultsTo: false)
   ..addFlag('infer-only-finals',
       help: 'Do not infer non-const or non-final fields', defaultsTo: false)
   ..addFlag('infer-eagerly',
       help: 'experimental: allows a non-stable order of transitive inference on'
       ' consts and fields. This is used to test for possible inference with a '
       'proper implementation in the future.', defaultsTo: false)
 
@@ skipping 25 matching lines @@
       defaultsTo: '8080')
   ..addFlag('force-compile',
       help: 'Compile code with static errors', defaultsTo: false)
   ..addOption('log', abbr: 'l', help: 'Logging level', defaultsTo: 'severe')
   ..addFlag('dump-info',
       abbr: 'i', help: 'Dump summary information', defaultsTo: false)
   ..addOption('dump-info-file',
       abbr: 'f',
       help: 'Dump info json file (requires dump-info)',
       defaultsTo: null);