language: Check For Incorrect Order For Action Parameters

Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
2026-05-22 02:34:51 -04:00
parent a1908cc077
commit 24b0f0284a
2 changed files with 90 additions and 2 deletions
@@ -614,6 +614,17 @@ extension Action: Compilable {
    }
    current_context = updated_context

+    // Check whether the parameters are in the proper order.
+    let remaining_parameters = action_parameters.parameters.drop(while: {
+      $0.type.direction() != .none
+    })
+    if remaining_parameters.contains(where: { $0.type.direction() != .none }) {
+      return .Error(
+        ErrorWithLocation(
+          sourceLocation: current_node!.toSourceLocation(),
+          withError: "All parameters with direction must precede directionless parameters"))
+    }
+
    walker.next()
    #MustOr(
      result: current_node, thing: walker.getNext(),