[Sema] Ignore decls in namespaces when global decls are not wanted.

Summary: ... in qualified code completion and decl lookup.

Reviewers: ilya-biryukov, arphaman

Reviewed By: ilya-biryukov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D40562

llvm-svn: 320563

1 files changed, 21 insertions, 0 deletions

diff --git a/clang/test/CodeCompletion/ignore-ns-level-decls.cpp b/clang/test/CodeCompletion/ignore-ns-level-decls.cpp
new file mode 100644
index 00000000000..59cee6536a5
--- /dev/null
+++ b/clang/test/CodeCompletion/ignore-ns-level-decls.cpp
@@ -0,0 +1,21 @@
+namespace ns {
+  struct bar {
+  };
+
+  struct baz {
+  };
+
+  int func(int a, bar b, baz c);
+}
+
+void test() {
+  ns::
+// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:12:7 %s -o - | FileCheck %s --check-prefix=CHECK-1
+// CHECK-1-DAG: COMPLETION: bar : bar
+// CHECK-1-DAG: COMPLETION: baz : baz
+// CHECK-1-DAG: COMPLETION: func : [#int#]func(<#int a#>, <#bar b#>, <#baz c#>)
+
+// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:12:7 -no-code-completion-ns-level-decls %s -o - | FileCheck %s --allow-empty --check-prefix=CHECK-EMPTY
+// CHECK-EMPTY-NOT: COMPLETION: bar : bar
+// CHECK-EMPTY: {{^}}{{$}}
+}