From 3b22716529a867bb72058dfd7714460feb84871f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?F=C3=A9lix=20Dorn?= <github@felixdorn.fr>
Date: Fri, 5 Nov 2021 18:57:59 +0100
Subject: [PATCH] fix misplaced comma exception when calling a function

the corresponding regression test is in the previous commit
---
 src/Tokens/Comma.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Tokens/Comma.php b/src/Tokens/Comma.php
index 84ff223..f66bb78 100644
--- a/src/Tokens/Comma.php
+++ b/src/Tokens/Comma.php
@@ -8,12 +8,17 @@
 
 class Comma extends Token
 {
+    public function __construct(public string $value = ',')
+    {
+
+    }
+
     public function consume(Runtime $runtime): void
     {
         // If the token is a function argument separator (e.g., a comma):
         $pe = false;
 
-        while ($runtime->operatorStack->isEmpty()) {
+        while (!$runtime->operatorStack->isEmpty()) {
             $token = $runtime->operatorStack->top();
 
             if ($token instanceof OpenParenthesis) {