refine when suggestions are limited to types

pkg/analysis_server/lib/src/services/completion/local_computer.dart

Index: pkg/analysis_server/lib/src/services/completion/local_computer.dart
diff --git a/pkg/analysis_server/lib/src/services/completion/local_computer.dart b/pkg/analysis_server/lib/src/services/completion/local_computer.dart
index c120c56501e3f80f1806b3880d20c30a70b6e8f8..8e6e9d9c4d46e548117fb0cac2d9f3bb4f126b87 100644
--- a/pkg/analysis_server/lib/src/services/completion/local_computer.dart
+++ b/pkg/analysis_server/lib/src/services/completion/local_computer.dart
@@ -317,9 +317,20 @@ class _LocalVisitor extends LocalDeclarationVisitor {
 
   @override
   visitTypeName(TypeName node) {
+    // TODO (danrubel) refactor this and imported_computer
+    // to reduce duplicate code
     // If suggesting completions within a TypeName node
-    // then limit suggestions to only types
-    typesOnly = true;
+    // then limit suggestions to only types in specific situations
+    AstNode p = node.parent;
+    if (p is IsExpression || p is ConstructorName || p is AsExpression) {
+      typesOnly = true;
+    } else if (p is VariableDeclarationList) {
+      // TODO (danrubel) When entering 1st of 2 identifiers on assignment LHS
+      // the user may be either (1) entering a type for the assignment
+      // or (2) starting a new statement.
+      // Consider suggesting only types
+      // if only spaces separates the 1st and 2nd identifiers.
+    }
     return visitNode(node);
   }