From 37665fb6d0bc1eb29396ae949354cf7d6f9d54ca Mon Sep 17 00:00:00 2001
From: geno <gabriele.genovese2@studio.unibo.it>
Date: Fri, 28 Jun 2024 12:23:28 +0200
Subject: resolving all the comments santo made

---
 src/ast/nodes/ExprListNode.java | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'src/ast/nodes/ExprListNode.java')

diff --git a/src/ast/nodes/ExprListNode.java b/src/ast/nodes/ExprListNode.java
index acdf679..800f4be 100644
--- a/src/ast/nodes/ExprListNode.java
+++ b/src/ast/nodes/ExprListNode.java
@@ -31,7 +31,14 @@ public class ExprListNode implements Node {
         return exprs.size();
     }
 
+    /**
+     * Returns the i-th expressions of `exprs` field. If the index is greater or
+     * equals than the size return `null`.
+     */
     public Node getElem(int i) {
+        if (i >= this.exprs.size()) {
+            return null;
+        }
         return exprs.get(i);
     }
 
@@ -48,7 +55,7 @@ public class ExprListNode implements Node {
 
     @Override
     public String toPrint(String prefix) {
-        String str = prefix + "Paramlist\n";
+        String str = prefix + "ExprList\n";
 
         prefix += "  ";
         for (var param : exprs) {
-- 
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