Add a more "isDartCore..." getters to DartType.

Change-Id: I5c192b812e44f9b9f278bc3eaefddd8bc326cf6a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/110061
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>

pkg/analyzer/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.37.1 (Not yet published)
+* Added the getters `isDartCoreList`, `isDartCoreMap`, `isDartCoreSet`, and
+  `isDartCoreSymbol` to `DartType`.
+
 ## 0.37.0
 * Removed deprecated getter `DartType.isUndefined`.
 * Removed deprecated class `SdkLibrariesReader`.

pkg/analyzer/lib/dart/element/type.dart

@@ -67,14 +67,30 @@ abstract class DartType {
   /// dart:core library.
   bool get isDartCoreInt;
 
+  /// Returns `true` if this type represents the type 'List' defined in the
+  /// dart:core library.
+  bool get isDartCoreList;
+
+  /// Returns `true` if this type represents the type 'Map' defined in the
+  /// dart:core library.
+  bool get isDartCoreMap;
+
   /// Return `true` if this type represents the type 'Null' defined in the
   /// dart:core library.
   bool get isDartCoreNull;
 
+  /// Returns `true` if this type represents the type 'Set' defined in the
+  /// dart:core library.
+  bool get isDartCoreSet;
+
   /// Return `true` if this type represents the type 'String' defined in the
   /// dart:core library.
   bool get isDartCoreString;
 
+  /// Returns `true` if this type represents the type 'Symbol' defined in the
+  /// dart:core library.
+  bool get isDartCoreSymbol;
+
   /// Return `true` if this type represents the type 'dynamic'.
   bool get isDynamic;
 

pkg/analyzer/lib/src/dart/element/type.dart

@@ -1520,6 +1520,24 @@ class InterfaceTypeImpl extends TypeImpl implements InterfaceType {
     return element.name == "int" && element.library.isDartCore;
   }
 
+  @override
+  bool get isDartCoreList {
+    ClassElement element = this.element;
+    if (element == null) {
+      return false;
+    }
+    return element.name == "List" && element.library.isDartCore;
+  }
+
+  @override
+  bool get isDartCoreMap {
+    ClassElement element = this.element;
+    if (element == null) {
+      return false;
+    }
+    return element.name == "Map" && element.library.isDartCore;
+  }
+
   @override
   bool get isDartCoreNull {
     ClassElement element = this.element;
@@ -1529,6 +1547,15 @@ class InterfaceTypeImpl extends TypeImpl implements InterfaceType {
     return element.name == "Null" && element.library.isDartCore;
   }
 
+  @override
+  bool get isDartCoreSet {
+    ClassElement element = this.element;
+    if (element == null) {
+      return false;
+    }
+    return element.name == "Set" && element.library.isDartCore;
+  }
+
   @override
   bool get isDartCoreString {
     ClassElement element = this.element;
@@ -1538,6 +1565,15 @@ class InterfaceTypeImpl extends TypeImpl implements InterfaceType {
     return element.name == "String" && element.library.isDartCore;
   }
 
+  @override
+  bool get isDartCoreSymbol {
+    ClassElement element = this.element;
+    if (element == null) {
+      return false;
+    }
+    return element.name == "Symbol" && element.library.isDartCore;
+  }
+
   @override
   bool get isObject => element.supertype == null && !element.isMixin;
 
@@ -2831,12 +2867,24 @@ abstract class TypeImpl implements DartType {
   @override
   bool get isDartCoreInt => false;
 
+  @override
+  bool get isDartCoreList => false;
+
+  @override
+  bool get isDartCoreMap => false;
+
   @override
   bool get isDartCoreNull => false;
 
+  @override
+  bool get isDartCoreSet => false;
+
   @override
   bool get isDartCoreString => false;
 
+  @override
+  bool get isDartCoreSymbol => false;
+
   @override
   bool get isDynamic => false;
 

pkg/analyzer/pubspec.yaml

@@ -1,5 +1,5 @@
 name: analyzer
-version: 0.37.0
+version: 0.37.1-dev
 author: Dart Team <misc@dartlang.org>
 description: This package provides a library that performs static analysis of Dart code.
 homepage: https://github.com/dart-lang/sdk/tree/master/pkg/analyzer