Add 'Introduce new local with cast type' quick assist.

pkg/analysis_server/lib/src/services/correction/assist.dart

Index: pkg/analysis_server/lib/src/services/correction/assist.dart
diff --git a/pkg/analysis_server/lib/src/services/correction/assist.dart b/pkg/analysis_server/lib/src/services/correction/assist.dart
index 30cd52ec51d0b6156f5866fb367b85f98e43dd75..15b38d1f99330fedfda97d453d59afb73e855be2 100644
--- a/pkg/analysis_server/lib/src/services/correction/assist.dart
+++ b/pkg/analysis_server/lib/src/services/correction/assist.dart
@@ -5,8 +5,8 @@
 library services.correction.assist;
 
 import 'package:analysis_server/src/protocol.dart';
-import 'package:analysis_server/src/services/search/search_engine.dart';
 import 'package:analysis_server/src/services/correction/assist_internal.dart';
+import 'package:analysis_server/src/services/search/search_engine.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/source.dart';
 
@@ -50,18 +50,16 @@ class AssistKind {
       const AssistKind('ADD_PART_DIRECTIVE', 30, "Add 'part' directive");
   static const ADD_TYPE_ANNOTATION =
       const AssistKind('ADD_TYPE_ANNOTATION', 30, "Add type annotation");
-  static const ASSIGN_TO_LOCAL_VARIABLE =
-      const AssistKind(
-          'ASSIGN_TO_LOCAL_VARIABLE',
-          30,
-          "Assign value to new local variable");
+  static const ASSIGN_TO_LOCAL_VARIABLE = const AssistKind(
+      'ASSIGN_TO_LOCAL_VARIABLE',
+      30,
+      "Assign value to new local variable");
   static const CONVERT_INTO_BLOCK_BODY =
       const AssistKind('CONVERT_INTO_BLOCK_BODY', 30, "Convert into block body");
-  static const CONVERT_INTO_EXPRESSION_BODY =
-      const AssistKind(
-          'CONVERT_INTO_EXPRESSION_BODY',
-          30,
-          "Convert into expression body");
+  static const CONVERT_INTO_EXPRESSION_BODY = const AssistKind(
+      'CONVERT_INTO_EXPRESSION_BODY',
+      30,
+      "Convert into expression body");
   static const CONVERT_INTO_IS_NOT =
       const AssistKind('CONVERT_INTO_IS_NOT', 30, "Convert into is!");
   static const CONVERT_INTO_IS_NOT_EMPTY =
@@ -72,39 +70,38 @@ class AssistKind {
       const AssistKind('EXTRACT_CLASS', 30, "Extract class into file '{0}'");
   static const IMPORT_ADD_SHOW =
       const AssistKind('IMPORT_ADD_SHOW', 30, "Add explicit 'show' combinator");
+  static const INTRODUCE_LOCAL_CAST_TYPE = const AssistKind(
+      'INTRODUCE_LOCAL_CAST_TYPE',
+      30,
+      "Introduce new local with cast type");

[Paul Berry, 2014/09/30 20:34:46]

I think this terminology may be confusing to Dart users, since in Dart
terminology, a "cast" only refers to expressions like "x as T".  Expressions
like "X is T" are called "type tests" by the spec.

How about changing the text to "Introduce new local with tested type"?

[scheglov, 2014/09/30 20:44:06]

Done.

   static const INVERT_IF_STATEMENT =
       const AssistKind('INVERT_IF_STATEMENT', 30, "Invert 'if' statement");
-  static const JOIN_IF_WITH_INNER =
-      const AssistKind(
-          'JOIN_IF_WITH_INNER',
-          30,
-          "Join 'if' statement with inner 'if' statement");
-  static const JOIN_IF_WITH_OUTER =
-      const AssistKind(
-          'JOIN_IF_WITH_OUTER',
-          30,
-          "Join 'if' statement with outer 'if' statement");
+  static const JOIN_IF_WITH_INNER = const AssistKind(
+      'JOIN_IF_WITH_INNER',
+      30,
+      "Join 'if' statement with inner 'if' statement");
+  static const JOIN_IF_WITH_OUTER = const AssistKind(
+      'JOIN_IF_WITH_OUTER',
+      30,
+      "Join 'if' statement with outer 'if' statement");
   static const JOIN_VARIABLE_DECLARATION =
       const AssistKind('JOIN_VARIABLE_DECLARATION', 30, "Join variable declaration");
   static const REMOVE_TYPE_ANNOTATION =
       const AssistKind('REMOVE_TYPE_ANNOTATION', 29, "Remove type annotation");
-  static const REPLACE_CONDITIONAL_WITH_IF_ELSE =
-      const AssistKind(
-          'REPLACE_CONDITIONAL_WITH_IF_ELSE',
-          30,
-          "Replace conditional with 'if-else'");
-  static const REPLACE_IF_ELSE_WITH_CONDITIONAL =
-      const AssistKind(
-          'REPLACE_IF_ELSE_WITH_CONDITIONAL',
-          30,
-          "Replace 'if-else' with conditional ('c ? x : y')");
+  static const REPLACE_CONDITIONAL_WITH_IF_ELSE = const AssistKind(
+      'REPLACE_CONDITIONAL_WITH_IF_ELSE',
+      30,
+      "Replace conditional with 'if-else'");
+  static const REPLACE_IF_ELSE_WITH_CONDITIONAL = const AssistKind(
+      'REPLACE_IF_ELSE_WITH_CONDITIONAL',
+      30,
+      "Replace 'if-else' with conditional ('c ? x : y')");
   static const SPLIT_AND_CONDITION =
       const AssistKind('SPLIT_AND_CONDITION', 30, "Split && condition");
-  static const SPLIT_VARIABLE_DECLARATION =
-      const AssistKind(
-          'SPLIT_VARIABLE_DECLARATION',
-          30,
-          "Split variable declaration");
+  static const SPLIT_VARIABLE_DECLARATION = const AssistKind(
+      'SPLIT_VARIABLE_DECLARATION',
+      30,
+      "Split variable declaration");
   static const SURROUND_WITH_BLOCK =
       const AssistKind('SURROUND_WITH_BLOCK', 30, "Surround with block");
   static const SURROUND_WITH_DO_WHILE =
@@ -117,11 +114,10 @@ class AssistKind {
       const AssistKind('SURROUND_WITH_IF', 30, "Surround with 'if'");
   static const SURROUND_WITH_TRY_CATCH =
       const AssistKind('SURROUND_WITH_TRY_CATCH', 30, "Surround with 'try-catch'");
-  static const SURROUND_WITH_TRY_FINALLY =
-      const AssistKind(
-          'SURROUND_WITH_TRY_FINALLY',
-          30,
-          "Surround with 'try-finally'");
+  static const SURROUND_WITH_TRY_FINALLY = const AssistKind(
+      'SURROUND_WITH_TRY_FINALLY',
+      30,
+      "Surround with 'try-finally'");
   static const SURROUND_WITH_WHILE =
       const AssistKind('SURROUND_WITH_WHILE', 30, "Surround with 'while'");