From 2b7d38d9d83dd7f61ec418eb9ab96b466461e6c9 Mon Sep 17 00:00:00 2001
From: mertcandav <mertcandav@outlook.com>
Date: Thu, 29 Aug 2024 10:01:47 +0300
Subject: [PATCH] sema: improve declaration handling for multi-assign
 statements

---
 src/julec/obj/cxx/scope.jule | 8 ++++++++
 std/jule/sema/scope.jule     | 3 ++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/julec/obj/cxx/scope.jule b/src/julec/obj/cxx/scope.jule
index de64d158e..ec05d1d48 100644
--- a/src/julec/obj/cxx/scope.jule
+++ b/src/julec/obj/cxx/scope.jule
@@ -603,6 +603,14 @@ impl scopeCoder {
     }
 
     fn multiAssign(mut &self, mut a: &MultiAssign) {
+        // Write declarations without no initialization.
+        // It will initialize with assignments.
+        for (_, mut d) in a.Decls {
+            self.oc.varInitExpr(d, nil)
+            self.oc.write("\n")
+            self.oc.indent()
+        }
+
         // Special cases.
         match type a.Right {
         | &IndexingExprModel: // Map lookup.
diff --git a/std/jule/sema/scope.jule b/std/jule/sema/scope.jule
index 0482ad878..b39236057 100644
--- a/std/jule/sema/scope.jule
+++ b/std/jule/sema/scope.jule
@@ -371,6 +371,7 @@ struct Assign {
 
 // Multi-declarative assignment.
 struct MultiAssign {
+    Decls: []&Var
     Left:  []&Data // Nil Model:s represents ingored expressions.
     Right: ExprModel
 }
@@ -1432,8 +1433,8 @@ impl scopeChecker {
                 Kind: v.Kind.Kind,
                 Model: v,
             })
+            st.Decls = append(st.Decls, v)
             self.table.Vars = append(self.table.Vars, v)
-            self.scope.Stmts = append(self.scope.Stmts, v)
             ret
         }