From a90b1529ad24b05d44c9ac5bdcba9f48d4a6b5f2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emmanuel=20Beno=C3=AEt?= <tseeker@nocternity.net>
Date: Sat, 31 Dec 2022 15:42:10 +0100
Subject: [PATCH] AST - Added variable reference nodes

---
 src/ast.rs | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/src/ast.rs b/src/ast.rs
index a4e99ce..0cf5576 100644
--- a/src/ast.rs
+++ b/src/ast.rs
@@ -40,6 +40,9 @@ pub enum ExprNode {
 
     /// A litteral value, represented by the corresponding token.
     Litteral { value: Token },
+
+    /// A reference to a variable.
+    Variable { name: Token },
 }
 
 /* -------------------------------- *
@@ -80,15 +83,10 @@ impl AstDumper for ExprNode {
                 left,
                 operator,
                 right,
-            } => {
-                format!("( {} {} {} )", operator.lexeme, left.dump(), right.dump())
-            }
-            Self::Unary { operator, right } => {
-                format!("( {} {} )", operator.lexeme, right.dump())
-            }
-            Self::Grouping { expression } => {
-                format!("( {} )", expression.dump())
-            }
+            } => format!("( {} {} {} )", operator.lexeme, left.dump(), right.dump()),
+            Self::Unary { operator, right } => format!("( {} {} )", operator.lexeme, right.dump()),
+            Self::Grouping { expression } => format!("( {} )", expression.dump()),
+            Self::Variable { name } => name.lexeme.clone(),
             Self::Litteral { value } => {
                 if value.is_litteral() {
                     value.lexeme.clone()