Version 2.9.0-14.1.beta

Merge commit '35cf8c3aa096037aa00a8d1bad3102c5d2cfc7ff' into beta

Author: athomas

.dart_tool/package_config.json

@@ -11,7 +11,7 @@
     "constraint, update this by running tools/generate_package_config.dart."
   ],
   "configVersion": 2,
-  "generated": "2020-04-27T16:42:25.459210",
+  "generated": "2020-05-15T15:16:14.438097",
   "generator": "tools/generate_package_config.dart",
   "packages": [
     {
@@ -36,7 +36,7 @@
       "name": "analysis_server_client",
       "rootUri": "../pkg/analysis_server_client",
       "packageUri": "lib/",
-      "languageVersion": "2.1"
+      "languageVersion": "2.8"
     },
     {
       "name": "analysis_tool",
@@ -137,7 +137,7 @@
       "name": "crypto",
       "rootUri": "../third_party/pkg/crypto",
       "packageUri": "lib/",
-      "languageVersion": "2.0"
+      "languageVersion": "2.3"
     },
     {
       "name": "csslib",
@@ -191,7 +191,7 @@
       "name": "dartfix",
       "rootUri": "../pkg/dartfix",
       "packageUri": "lib/",
-      "languageVersion": "2.3"
+      "languageVersion": "2.8"
     },
     {
       "name": "dds",
@@ -219,8 +219,7 @@
     {
       "name": "ffi",
       "rootUri": "../third_party/pkg/ffi",
-      "packageUri": "lib/",
-      "languageVersion": "2.6"
+      "packageUri": "lib/"
     },
     {
       "name": "fixnum",
@@ -254,6 +253,11 @@
       "rootUri": "../pkg/front_end/testcases/nnbd",
       "packageUri": ".nonexisting/"
     },
+    {
+      "name": "front_end_nnbd_mixed",
+      "rootUri": "../pkg/front_end/testcases/nnbd_mixed",
+      "packageUri": ".nonexisting/"
+    },
     {
       "name": "front_end_nonfunction_type_aliases",
       "rootUri": "../pkg/front_end/testcases/nonfunction_type_aliases",
@@ -265,12 +269,6 @@
       "packageUri": "lib/",
       "languageVersion": "2.7"
     },
-    {
-      "name": "gardening",
-      "rootUri": "../tools/gardening",
-      "packageUri": "lib/",
-      "languageVersion": "2.7"
-    },
     {
       "name": "glob",
       "rootUri": "../third_party/pkg/glob",
@@ -305,7 +303,7 @@
       "name": "http_parser",
       "rootUri": "../third_party/pkg/http_parser",
       "packageUri": "lib/",
-      "languageVersion": "2.0"
+      "languageVersion": "2.3"
     },
     {
       "name": "http_retry",
@@ -328,8 +326,7 @@
     {
       "name": "js",
       "rootUri": "../pkg/js",
-      "packageUri": "lib/",
-      "languageVersion": "2.0"
+      "packageUri": "lib/"
     },
     {
       "name": "js_ast",
@@ -585,7 +582,7 @@
       "name": "string_scanner",
       "rootUri": "../third_party/pkg/string_scanner",
       "packageUri": "lib/",
-      "languageVersion": "1.8"
+      "languageVersion": "2.0"
     },
     {
       "name": "telemetry",

.gitattributes

@@ -13,11 +13,11 @@
 *.md text
 *.yaml text
 
-# Files that should not be converted.
-tests/compiler/dart2js_extra/eof_line_ending_test.dart -text
-tests/compiler/dart2js_extra/string_interpolation_test.dart -text
-tests/compiler/dart2js_extra/string_interpolation_dynamic_test.dart -text
-tests/compiler/dart2js_extra/literal_string_juxtaposition_test.dart -text
+# File that should not be converted.
+tests/dart2js_2/eof_line_ending_test.dart -text
+tests/dart2js_2/string_interpolation_test.dart -text
+tests/dart2js_2/string_interpolation_dynamic_test.dart -text
+tests/dart2js_2/literal_string_juxtaposition_test.dart -text
 tests/language_2/string/raw_string_test.dart -text
 tests/language_2/string/multiline_strings_test.dart -text
 tests/language_2/string/multiline_newline_cr.dart -text

.packages

@@ -44,7 +44,6 @@ ffi:third_party/pkg/ffi/lib
 fixnum:third_party/pkg/fixnum/lib
 frontend_server:pkg/frontend_server/lib
 front_end:pkg/front_end/lib
-gardening:tools/gardening/lib
 glob:third_party/pkg/glob/lib
 html:third_party/pkg/html/lib
 http:third_party/pkg/http/lib

BUILD.gn

@@ -57,6 +57,12 @@ group("runtime") {
     "runtime/vm:kernel_platform_files($host_toolchain)",
     "utils/kernel-service:kernel-service",
   ]
+
+  # TODO(bkonyi): this dep causes a segfault on Android XARM_X64 builds.
+  # See issue #41776.
+  if (dart_target_arch != "arm") {
+    deps += [ "utils/dartdev:dartdev" ]
+  }
 }
 
 group("runtime_kernel") {
@@ -74,13 +80,23 @@ group("runtime_precompiled") {
   ]
 }
 
-if (use_nnbd) {
+if (dont_use_nnbd) {
   group("create_sdk") {
-    public_deps = [ "sdk_nnbd:create_sdk" ]
+    public_deps = [ "sdk:create_sdk" ]
   }
 } else {
   group("create_sdk") {
-    public_deps = [ "sdk:create_sdk" ]
+    public_deps = [ "sdk_nnbd:create_sdk" ]
+  }
+}
+
+if (dont_use_nnbd) {
+  group("create_platform_sdk") {
+    public_deps = [ "sdk:create_platform_sdk" ]
+  }
+} else {
+  group("create_platform_sdk") {
+    public_deps = [ "sdk_nnbd:create_platform_sdk" ]
   }
 }
 

CHANGELOG.md

@@ -4,6 +4,13 @@
 
 ### Core libraries
 
+#### `dart:io`
+
+*   [#42006][]: The signature of `exit` has been changed to return the
+    `Never`type instead of `void`. since no code will run after it,
+
+[#42006]: https://github.com/dart-lang/sdk/issues/42006
+
 #### `dart:convert`
 
 *   **Breaking Change** [#41100][]: When encoding a string containing unpaired
@@ -23,11 +30,28 @@
     null-safe changes in the `Set` interface, it will now return `false`
     instead. The same applies for `CssClassSet.toggle`.
 
+*   `EventStreamSubscription.cancel` method used to return `null`, but since
+    `StreamSubscription.cancel` has changed to be non-nullable, this method
+    returns an empty `Future` instead. Due to an optimization on `null`
+    `Future`s, this method used to complete synchronously, but now that the
+    `Future` is empty instead, it completes asynchronously, therefore
+    potentially invalidating code that relied on the synchronous side-effect.
+    This change will only affect code using sound null-safety. See issue
+    [41653][] for more details.
+
+[41653]: https://github.com/dart-lang/sdk/issues/41653
+
+
 #### `dart:io`
 
 *   Class `OSError` now implements `Exception`. This change means `OSError` will
     now be caught in catch clauses catching `Exception`s.
 *   Added `InternetAddress.tryParse`.
+*   [Abstract Unix Domain Socket][] is supported on Linux/Android now. Using an
+    `InternetAddress` with `address` starting with '@' and type being
+    `InternetAddressType.Unix` will create an abstract Unix Domain Socket.
+
+[Abstract Unix Domain Socket]: http://man7.org/linux/man-pages/man7/unix.7.html
 
 ### Tools
 
@@ -44,9 +68,15 @@
 
 #### Linter
 
-Updated the Linter to `0.1.115`, which includes:
+Updated the Linter to `0.1.116`, which includes:
 
-* Updated `avoid_types_as_parameter_names` to check catch-clauses.
+* New lint: `no_default_cases` (experimental).
+* New lint: `exhaustive_cases`.
+* Updated `type_annotate_public_apis` to allow inferred types in final field assignments.
+* Updated `prefer_mixin` to allow "legacy" SDK abstract class mixins.
+* New lint: `use_is_even_rather_than_modulo`.
+* Updated `unsafe_html` to use a `SecurityLintCode` (making it un-ignorable).
+* Improved `sized_box_for_whitespace` to address false-positives.
 * Fixed `unsafe_html` to check attributes and methods on extensions.
 * Extended `unsafe_html` to include `Window.open`, `Element.html` and
   `DocumentFragment.html` in unsafe API checks.
@@ -56,6 +86,50 @@ Updated the Linter to `0.1.115`, which includes:
 
 ### Dart VM
 
+### Pub
+* `pub run` and `pub global run` accepts a `--enable-experiment` flag enabling
+  experiments in the Dart VM (and language).
+* Publishing Flutter plugins using the old plugin format is no longer allowed.
+  Plugins using the old plugin format can still be consumed.
+* Introduce `pub outdated --mode=null-safety` that will report which of your
+  dependencies you can upgrade to fully support null safety.
+* Fix `pub run` precompilation with relative `PUB_CACHE` paths (#2486)
+* Warn at publishing first time a package version opts in to null-safety.
+* Preserve Windows line endings in pubspec.lock if they are already there (#2489)
+* Better terminal color-detection. Use colors in terminals on Windows.
+* `pub outdated`: If the current version of a dependency is a prerelease 
+  version, use prereleases for latest if no newer stable.
+* `pub outdated` now works without a lockfile. In that case the 'Current'
+  column will be empty.
+* `pub upgrade`: Show summary count of outdated packages after running.
+
+## 2.8.4 - 2020-06-04
+
+This is a patch release that fixes potential memory leaks in the Dart front-end
+(issues [#42111][] and [#42112][]).
+
+[#42111]: https://github.com/dart-lang/sdk/issues/42111
+[#42112]: https://github.com/dart-lang/sdk/issues/42112
+
+## 2.8.3 - 2020-05-28
+
+This is a patch release that fixes the following issues:
+* crashes in Flutter apps (issue [flutter/flutter#57318][]).
+* a regression in stack traces (issue [#41907][]).
+* re-canonicalization of constants with unboxed fields (issue
+[flutter/flutter#57190][]).
+
+[flutter/flutter#57318]: https://github.com/flutter/flutter/issues/57318
+[#41907]: https://github.com/dart-lang/sdk/issues/41907
+[flutter/flutter#57190]: https://github.com/flutter/flutter/issues/57190
+
+## 2.8.2 - 2020-05-13
+
+This is a patch release that fixes an AOT compilation bug in global
+transformations which manifests as a NoSuchMethod exception
+(issue [flutter/flutter#56479][]).
+
+[flutter/flutter#56479]: https://github.com/flutter/flutter/issues/56479
 
 ## 2.8.1 - 2020-05-06
 
@@ -267,6 +341,10 @@ minor breaking changes:
     `runZonedGuarded()` functions from `dart:async` directly if needing to
     specify those.
 
+*   Class `HttpClient` and `HttpServer`, when receiving `HttpRequest` or
+    `HttpClientResponse`, will now put a 8K size limit on its header fields and
+    values.
+
 [#33501]: https://github.com/dart-lang/sdk/issues/33501
 [#40702]: https://github.com/dart-lang/sdk/issues/40702
 [#40483]: https://github.com/dart-lang/sdk/issues/40483

CONTRIBUTING.md

@@ -2,7 +2,7 @@ Want to contribute? Great! First, read this page (including the small print at t
 
 ## Ways you can contribute
 
-You can help the Dart project in many ways, in addition to contributing code. For example, you can [report bugs](http://dartbug.com), ask and answer [Dart questions on StackOverflow](http://stackoverflow.com/questions/tagged/dart), and improve the documentation.
+You can help the Dart project in many ways, in addition to contributing code. For example, you can [report bugs](https://dartbug.com), ask and answer [Dart questions on StackOverflow](https://stackoverflow.com/questions/tagged/dart), and improve the documentation.
 
 If you'd like to improve the documentation, you have three options:
 
@@ -69,7 +69,7 @@ Upload the patch for review:
 git cl upload -s
 ```
 
-The above command returns a URL for the review. Attach this review to your issue in http://dartbug.com
+The above command returns a URL for the review. Attach this review to your issue in https://dartbug.com
 
 If you have commit access, when the review is done and the patch is good to go, submit the patch on https://dart-review.googlesource.com:
 
@@ -84,7 +84,7 @@ git cl web # opens your review on https://dart-review.googlesource.com
 
 If you do not have commit access, a Dart engineer will commit on your behalf, assuming the patch is reviewed and accepted.
 
-More detailed instructions for the `git cl` tools available on http://commondatastorage.googleapis.com/chrome-infra-docs/flat/depot_tools/docs/html/depot_tools_tutorial.html#_creating_uploading_a_cl
+More detailed instructions for the `git cl` tools available on https://commondatastorage.googleapis.com/chrome-infra-docs/flat/depot_tools/docs/html/depot_tools_tutorial.html#_creating_uploading_a_cl
 
 ## For committers: Merging external contributions
 
@@ -99,7 +99,7 @@ Once a patch gets an LGTM, it's easy for a committer to merge it in.
 The source code of Dart follows the:
 
   * [Google C++ style guide](https://google.github.io/styleguide/cppguide.html)
-  * [Dart style guide](https://www.dartlang.org/articles/style-guide/)
+  * [Dart style guide](https://dart.dev/guides/language/effective-dart/style)
 
 You should familiarize yourself with those guidelines.
 
@@ -114,6 +114,6 @@ All files in the Dart project must start with the following header. If you add a
 
 ## The small print
 
-Contributions made by corporations are covered by a different agreement than the one above, the [Software Grant and Corporate Contributor License Agreement](http://code.google.com/legal/corporate-cla-v1.0.html).
+Contributions made by corporations are covered by a different agreement than the one above, the [Software Grant and Corporate Contributor License Agreement](https://cla.developers.google.com/about/google-corporate).
 
 We pledge to maintain an open and welcoming environment. For details, see our [code of conduct](https://dart.dev/code-of-conduct).