Remove any unnecessary parens around expressions in interpolations.

pkg/analyzer/test/generated/all_the_rest.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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.all_the_rest_test;
 
 import 'dart:collection';
@@ skipping 352 matching lines @@
       }
       if (lexeme.startsWith("<?")) {
         return ht.TokenType.DIRECTIVE;
       }
       if (_isTag(lexeme)) {
         return ht.TokenType.TAG;
       }
       return ht.TokenType.TEXT;
     }
     JUnitTestCase.fail(
-        "Unknown expected token $count: ${(expected != null ? expected.runtimeType : "null")}");
+        "Unknown expected token $count: ${expected != null ? expected.runtimeType : "null"}");
     return null;
   }
 
   bool _isTag(String lexeme) {
     if (lexeme.length == 0 || !Character.isLetter(lexeme.codeUnitAt(0))) {
       return false;
     }
     for (int index = 1; index < lexeme.length; index++) {
       int ch = lexeme.codeUnitAt(index);
       if (!Character.isLetterOrDigit(ch) && ch != 0x2D && ch != 0x5F) {
@@ skipping 4114 matching lines @@
     JUnitTestCase.assertNotNull(result.value);
     DartObjectImpl value = result.value;
     JUnitTestCase.assertTrue(value.isUnknown);
   }
 
   void _checkInstanceCreationOptionalParams(bool isFieldFormal, bool isNamed,
       bool hasDefault) {
     String fieldName = "j";
     String paramName = isFieldFormal ? fieldName : "i";
     String formalParam =
-        "${(isFieldFormal ? "this." : "int ")}$paramName${(hasDefault ? " = 3" : "")}";
+        "${isFieldFormal ? "this." : "int "}$paramName${hasDefault ? " = 3" : ""}";
     CompilationUnit compilationUnit = resolveSource("""
 const x = const A();
 const y = const A(${isNamed ? '$paramName: ' : ''}10);
 class A {
   const A(${isNamed ? "{$formalParam}" : "[$formalParam]"})${isFieldFormal ? "" : " : $fieldName = $paramName"};
   final int $fieldName;
 }""");
     EvaluationResultImpl x =
         _evaluateInstanceCreationExpression(compilationUnit, "x");
     Map<String, DartObjectImpl> fieldsOfX = _assertType(x, "A");
@@ skipping 6372 matching lines @@
       _errors.add(
           "Expected ${actual.runtimeType} to have parent of type XmlTagNode");
     }
     String actualName = actual.name;
     String actualValue = actual.valueToken.lexeme;
     if (_expectedAttributeIndex < _expectedAttributeKeyValuePairs.length) {
       String expectedName =
           _expectedAttributeKeyValuePairs[_expectedAttributeIndex];
       if (expectedName != actualName) {
         _errors.add(
-            "Expected ${(_expectedTagsIndex - 1)} tag: ${_expectedTagsInOrderVisited[_expectedTagsIndex - 1]._tag} attribute ${(_expectedAttributeIndex ~/ 2)} to have name: $expectedName but found: $actualName");
+            "Expected ${_expectedTagsIndex - 1} tag: ${_expectedTagsInOrderVisited[_expectedTagsIndex - 1]._tag} attribute ${_expectedAttributeIndex ~/ 2} to have name: $expectedName but found: $actualName");
       }
       String expectedValue =
           _expectedAttributeKeyValuePairs[_expectedAttributeIndex + 1];
       if (expectedValue != actualValue) {
         _errors.add(
-            "Expected ${(_expectedTagsIndex - 1)} tag: ${_expectedTagsInOrderVisited[_expectedTagsIndex - 1]._tag} attribute ${(_expectedAttributeIndex ~/ 2)} to have value: $expectedValue but found: $actualValue");
+            "Expected ${_expectedTagsIndex - 1} tag: ${_expectedTagsInOrderVisited[_expectedTagsIndex - 1]._tag} attribute ${_expectedAttributeIndex ~/ 2} to have value: $expectedValue but found: $actualValue");
       }
     } else {
       _errors.add(
-          "Unexpected ${(_expectedTagsIndex - 1)} tag: ${_expectedTagsInOrderVisited[_expectedTagsIndex - 1]._tag} attribute ${(_expectedAttributeIndex ~/ 2)} name: $actualName value: $actualValue");
+          "Unexpected ${_expectedTagsIndex - 1} tag: ${_expectedTagsInOrderVisited[_expectedTagsIndex - 1]._tag} attribute ${_expectedAttributeIndex ~/ 2} name: $actualName value: $actualValue");
     }
     _expectedAttributeIndex += 2;
     _validateNode(actual);
     return super.visitXmlAttributeNode(actual);
   }
   @override
   Object visitXmlTagNode(ht.XmlTagNode actual) {
     if (!(actual.parent is ht.HtmlUnit || actual.parent is ht.XmlTagNode)) {
       _errors.add(
           "Expected ${actual.runtimeType} to have parent of type HtmlUnit or XmlTagNode");
@@ skipping 158 matching lines @@
   void _validate(int scriptIndex, HtmlScriptElement script) {
     if (_expectedLibrary != null) {
       _validateEmbedded(scriptIndex, script);
     } else {
       _validateExternal(scriptIndex, script);
     }
   }
   void _validateEmbedded(int scriptIndex, HtmlScriptElement script) {
     if (script is! EmbeddedHtmlScriptElementImpl) {
       JUnitTestCase.fail(
-          "Expected script $scriptIndex to be embedded, but found ${(script != null ? script.runtimeType : "null")}");
+          "Expected script $scriptIndex to be embedded, but found ${script != null ? script.runtimeType : "null"}");
     }
     EmbeddedHtmlScriptElementImpl embeddedScript =
         script as EmbeddedHtmlScriptElementImpl;
     _expectedLibrary._validate(scriptIndex, embeddedScript);
   }
   void _validateExternal(int scriptIndex, HtmlScriptElement script) {
     if (script is! ExternalHtmlScriptElementImpl) {
       JUnitTestCase.fail(
-          "Expected script $scriptIndex to be external with src=$_expectedExternalScriptName but found ${(script != null ? script.runtimeType : "null")}");
+          "Expected script $scriptIndex to be external with src=$_expectedExternalScriptName but found ${script != null ? script.runtimeType : "null"}");
     }
     ExternalHtmlScriptElementImpl externalScript =
         script as ExternalHtmlScriptElementImpl;
     Source scriptSource = externalScript.scriptSource;
     if (_expectedExternalScriptName == null) {
       JUnitTestCase.assertNullMsg("script $scriptIndex", scriptSource);
     } else {
       JUnitTestCase.assertNotNullMsg("script $scriptIndex", scriptSource);
       String actualExternalScriptName = scriptSource.shortName;
       JUnitTestCase.assertEqualsMsg(
           "script $scriptIndex",
           _expectedExternalScriptName,
           actualExternalScriptName);
     }
   }
 }