From e4675bc410ebf7889e63a691f59d5760aec4e0e9 Mon Sep 17 00:00:00 2001
From: Stephan Seitz <sseitz@nvidia.com>
Date: Mon, 20 Dec 2021 14:50:59 +0100
Subject: highlights(c/cpp): highlight case labels as constants

---
 queries/c/highlights.scm                          |  2 ++
 queries/cpp/highlights.scm                        |  2 ++
 tests/query/highlights/c/enums-as-constants.c     | 21 +++++++++++++++++++
 tests/query/highlights/cpp/enums-as-constants.cpp | 25 +++++++++++++++++++++++
 4 files changed, 50 insertions(+)
 create mode 100644 tests/query/highlights/c/enums-as-constants.c
 create mode 100644 tests/query/highlights/cpp/enums-as-constants.cpp

diff --git a/queries/c/highlights.scm b/queries/c/highlights.scm
index 019522c3b..2ea07a74a 100644
--- a/queries/c/highlights.scm
+++ b/queries/c/highlights.scm
@@ -139,6 +139,8 @@
  (#lua-match? @constant "^[A-Z][A-Z0-9_]+$"))
 (enumerator
   name: (identifier) @constant)
+(case_statement
+  value: (identifier) @constant)
 
 ;; Preproc def / undef
 (preproc_def
diff --git a/queries/cpp/highlights.scm b/queries/cpp/highlights.scm
index 46ce27bb2..e3139c7be 100644
--- a/queries/cpp/highlights.scm
+++ b/queries/cpp/highlights.scm
@@ -38,6 +38,8 @@
                         (#lua-match? @type "^[A-Z]"))
 ((namespace_identifier) @constant
                         (#lua-match? @constant "^[A-Z][A-Z_0-9]*$"))
+(case_statement
+  value: (qualified_identifier (identifier) @constant))
 (namespace_definition
   name: (identifier) @namespace)
 
diff --git a/tests/query/highlights/c/enums-as-constants.c b/tests/query/highlights/c/enums-as-constants.c
new file mode 100644
index 000000000..8e6474466
--- /dev/null
+++ b/tests/query/highlights/c/enums-as-constants.c
@@ -0,0 +1,21 @@
+enum Foo{
+    a,
+//  ^ @constant
+    aa,
+//  ^ @constant
+    C,
+};
+
+void foo(enum Foo f){
+    switch ( f ) {
+        case a:
+         //  ^ @constant
+            break;
+        case aa:
+         //  ^ @constant
+            break;
+        case C:
+            break;
+        default:
+    }
+}
diff --git a/tests/query/highlights/cpp/enums-as-constants.cpp b/tests/query/highlights/cpp/enums-as-constants.cpp
new file mode 100644
index 000000000..ae773e8d3
--- /dev/null
+++ b/tests/query/highlights/cpp/enums-as-constants.cpp
@@ -0,0 +1,25 @@
+enum class Foo{
+    a,
+//  ^ @constant
+    aa,
+//  ^ @constant
+    C,
+//  ^ @constant
+};
+
+void foo(Foo f){
+    switch ( f ) {
+        case Foo::a:
+         //  ^ @type
+         //   ^ @namespace
+         //       ^ @constant
+            break;
+        case Foo::aa:
+         //        ^ @constant
+            break;
+        case Foo::C:
+         //       ^ @constant
+            break;
+        default:
+    }
+}
-- 
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