Support optional new/const.

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 1.0.10
+
+* Support optional `new`/`const` (#652).
+
 # 1.0.9
 
 * Updated tests. No user-facing changes.

bin/format.dart

@@ -14,7 +14,7 @@ import 'package:dart_style/src/io.dart';
 import 'package:dart_style/src/source_code.dart';
 
 // Note: The following line of code is modified by tool/grind.dart.
-const version = "1.0.9";
+const version = "1.0.10";
 
 void main(List<String> args) {
   var parser = new ArgParser(allowTrailingOptions: true);

lib/src/dart_formatter.dart

@@ -103,7 +103,7 @@ class DartFormatter {
 
     // Parse it.
     var parser = new Parser(stringSource, errorListener);
-    parser.enableAssertInitializer = true;
+    parser.enableOptionalNewAndConst = true;
 
     AstNode node;
     if (source.isCompilationUnit) {

lib/src/source_visitor.dart

@@ -1341,8 +1341,7 @@ class SourceVisitor extends ThrowingAstVisitor {
 
   visitInstanceCreationExpression(InstanceCreationExpression node) {
     builder.startSpan();
-    token(node.keyword);
-    space();
+    token(node.keyword, after: space);
     builder.startSpan(Cost.constructorName);
 
     // Start the expression nesting for the argument list here, in case this

pubspec.lock

@@ -7,7 +7,7 @@ packages:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.31.1"
+    version: "0.31.2-alpha.0"
   args:
     dependency: "direct main"
     description:
@@ -91,7 +91,7 @@ packages:
       name: front_end
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.0-alpha.9"
+    version: "0.1.0-alpha.10"
   glob:
     dependency: transitive
     description:
@@ -161,7 +161,7 @@ packages:
       name: kernel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.0-alpha.9"
+    version: "0.3.0-alpha.10"
   logging:
     dependency: transitive
     description:

pubspec.yaml

@@ -1,27 +1,27 @@
 name: dart_style
 # Note: See tool/grind.dart for how to bump the version.
-version: 1.0.9+1
+version: 1.0.10
 author: Dart Team <misc@dartlang.org>
 description: Opinionated, automatic Dart source code formatter.
 homepage: https://github.com/dart-lang/dart_style
 environment:
-  sdk: ">=1.8.0 <2.0.0"
+  sdk: '>=1.8.0 <2.0.0'
 dependencies:
-  analyzer: '>=0.30.0 <0.32.0'
+  analyzer: ^0.31.2-alpha.0
   args: '>=0.12.1 <2.0.0'
-  path: '>=1.0.0 <2.0.0'
-  source_span: '>=1.4.0 <2.0.0'
+  path: ^1.0.0
+  source_span: ^1.4.0
 dev_dependencies:
   async: '>=1.0.0 <=3.0.0'
-  browser: '>=0.10.0 <0.11.0'
-  grinder: '^0.8.0'
+  browser: ^0.10.0
+  grinder: ^0.8.0
   js: ^0.6.0
   node_preamble: ^1.0.0
-  pub_semver: '^1.2.3'
-  test: '>=0.12.0 <0.13.0'
-  test_descriptor: "^1.0.0"
-  test_process: "^1.0.0"
-  yaml: '^2.0.0'
+  pub_semver: ^1.2.3
+  test: ^0.12.0
+  test_descriptor: ^1.0.0
+  test_process: ^1.0.0
+  yaml: ^2.0.0
 executables:
   dartfmt: format
   dartformat: format # Allow the old name for compatibility.

test/whitespace/type_arguments.stmt

@@ -14,4 +14,8 @@ new Foo<void, void Function()>();
 >>> void as a generic method type argument
 list.map<   void,void    Function()>();
 <<<
-list.map<void, void Function()>();
+list.map<void, void Function()>();
+>>> named constructor with implicit "new"
+C <  int  ,float>  .named(42);
+<<<
+C<int, float>.named(42);