* Add support for enum and type lookup via :: (scope operator) (#882)

* Added test for scope operator

2 files changed, 81 insertions, 0 deletions

diff --git a/tests/compute/scope-operator.slang b/tests/compute/scope-operator.slang
new file mode 100644
index 000000000..c50d95965
--- /dev/null
+++ b/tests/compute/scope-operator.slang
@@ -0,0 +1,77 @@
+// scope.slang
+//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute
+//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute
+
+// Confirm that scoping on enums and types works 
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):dxbinding(0),glbinding(0),out
+RWStructuredBuffer<int> outputBuffer;
+
+enum Color
+{
+    Red,
+    Green = 2,
+    Blue,
+}
+
+struct Thing 
+{
+    int a; 
+    struct Another
+    {
+        int b;
+    }
+};
+
+int test(int val)
+{
+    Color c = Color.Red;
+
+    Thing::Another another;    
+    another.b = 20;
+
+    if(val > 1)
+    {
+        c = Color.Green;
+    }
+
+    if(c == Color::Red)
+    {
+        if(val & 1)
+        {
+            c = Color::Blue;
+        }
+    }
+
+    switch(c)
+    {
+    case Color::Red:
+        val = 1;
+        break;
+
+    case Color::Green:
+        val = 2;
+        break;
+
+    case Color::Blue:
+        val = 3;
+        break;
+
+    default:
+        val = -1;
+        break;
+    }
+
+    return (val << 4) + int(c) + another.b - 20;
+}
+
+[numthreads(4, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    uint tid = dispatchThreadID.x;
+
+    int val = int(tid);
+    val = test(val);
+
+    outputBuffer[tid] = val;
+}
\ No newline at end of file
diff --git a/tests/compute/scope-operator.slang.expected.txt b/tests/compute/scope-operator.slang.expected.txt
new file mode 100644
index 000000000..946476280
--- /dev/null
+++ b/tests/compute/scope-operator.slang.expected.txt
@@ -0,0 +1,4 @@
+10
+33
+22
+22