Version 3.5.0-320.0.dev

Merge 29d2913 into dev

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

@@ -1839,6 +1839,13 @@ class InScopeCompletionPass extends SimpleAstVisitor<void> {
 
   @override
   void visitMethodInvocation(MethodInvocation node) {
+    var beginToken = node.beginToken;
+    if (offset <= beginToken.end && beginToken.isKeywordOrIdentifier) {
+      // The user is completing at the beginning of the expression, so let the
+      // parent node determine the right set of suggestions.
+      node.parent?.accept(this);
+      return;
+    }
     var operator = node.operator;
     if (operator == null) {
       if (node.coversOffset(offset)) {

pkg/analysis_server/test/services/completion/dart/location/argument_list_test.dart

@@ -51,6 +51,37 @@ suggestions
 ''');
   }
 
+  Future<void> test_afterComma_beforeMethodInvocation() async {
+    allowedIdentifiers = {'random'};
+    await computeSuggestions('''
+class OC {
+  OC(int a, double b);
+}
+void f(int n) {
+  var random = Random();
+  var list = List<OC>.generate(n, (i) => OC(i, ^random.nextInt(n)));
+}
+''');
+
+    assertResponse(r'''
+replacement
+  right: 6
+suggestions
+  random
+    kind: localVariable
+  null
+    kind: keyword
+  false
+    kind: keyword
+  true
+    kind: keyword
+  const
+    kind: keyword
+  switch
+    kind: keyword
+''');
+  }
+
   Future<void> test_afterInt_beforeRightParen() async {
     await computeSuggestions('''
 void f() { print(42^); }

tools/VERSION

@@ -27,5 +27,5 @@ CHANNEL dev
 MAJOR 3
 MINOR 5
 PATCH 0
-PRERELEASE 319
+PRERELEASE 320
 PRERELEASE_PATCH 0