From c582a453c824fc53e6b285e3e26f6641844d1b0e Mon Sep 17 00:00:00 2001
From: Leandro Santiago <leandrosansilva@gmail.com>
Date: Sat, 13 Sep 2025 12:01:33 +0200
Subject: [PATCH] WIP: fix validation of passing enum as var_in_out

TODO: implement unit tests and check code generation
---
 src/index.rs | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/index.rs b/src/index.rs
index 9fb5c6019ea..2ca29217197 100644
--- a/src/index.rs
+++ b/src/index.rs
@@ -1609,8 +1609,18 @@ impl Index {
     /// Returns all enum variants of the given variable.
     pub fn get_enum_variants_by_variable(&self, variable: &VariableIndexEntry) -> Vec<&VariableIndexEntry> {
         let Some(var) = self.type_index.find_type(&variable.data_type_name) else { return vec![] };
-        let DataTypeInformation::Enum { variants, .. } = var.get_type_information() else { return vec![] };
-        variants.iter().collect()
+
+        match var.get_type_information() {
+            DataTypeInformation::Enum { variants, .. } => variants.iter().collect(),
+            DataTypeInformation::Pointer { name, inner_type_name, .. } => {
+                let Some(inner_type) = self.type_index.find_type(inner_type_name) else { return vec![] };
+                let DataTypeInformation::Enum { variants, .. } = inner_type.get_type_information() else {
+                    return vec![];
+                };
+                variants.iter().collect()
+            }
+            _ => vec![],
+        }
     }
 
     /// Tries to return an enum variant defined within a POU