From 2d46afff9adaf27fd53306daa7d45c87823c8d40 Mon Sep 17 00:00:00 2001
From: Selimaj Dev <klesti.selimay@icloud.com>
Date: Thu, 16 Apr 2026 10:12:49 +0200
Subject: [PATCH] Variable indexing

---
 semantic/src/hir.rs   | 14 +++++++++++++-
 semantic/src/scope.rs |  7 +++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/semantic/src/hir.rs b/semantic/src/hir.rs
index 1905531..fee6355 100644
--- a/semantic/src/hir.rs
+++ b/semantic/src/hir.rs
@@ -1,4 +1,10 @@
-use std::{collections::HashMap, sync::Arc};
+use std::{
+    collections::HashMap,
+    sync::{
+        Arc,
+        atomic::{AtomicUsize, Ordering},
+    },
+};
 
 use crate::top_level::{FunctionSymbol, StructSymbol, TopLevelSymbolScope, TypeSymbol, VarSymbol};
 
@@ -34,12 +40,14 @@ pub struct StructRef {
 #[derive(Debug)]
 pub struct TopLevelHirScope {
     pub variables: HashMap<String, Arc<VarRef>>,
+    pub var_idx: AtomicUsize,
 }
 
 impl TopLevelHirScope {
     pub fn from_tlss(tlss: &TopLevelSymbolScope) -> Self {
         let mut scope = Self {
             variables: HashMap::new(),
+            var_idx: AtomicUsize::new(0),
         };
 
         for (_, symbol) in &tlss.functions {
@@ -155,4 +163,8 @@ impl TopLevelHirScope {
     pub fn get_reference(&self, name: &String) -> Option<Arc<VarRef>> {
         self.variables.get(name).cloned()
     }
+
+    pub fn next_var_idx(&self) -> usize {
+        self.var_idx.fetch_add(1, Ordering::Relaxed) + 1
+    }
 }
diff --git a/semantic/src/scope.rs b/semantic/src/scope.rs
index a2f4ac6..116bb1d 100644
--- a/semantic/src/scope.rs
+++ b/semantic/src/scope.rs
@@ -28,6 +28,13 @@ impl Scope {
             Scope::Local(l) => l.get_reference(name),
         }
     }
+
+    pub fn next_var_idx(&self) -> usize {
+        match self {
+            Scope::TopLevel(tl) => tl.next_var_idx(),
+            Scope::Local(l) => l.parent.next_var_idx(),
+        }
+    }
 }
 
 #[derive(Debug)]