From 83faf86312f10964fa607d07c10ea6a7a103dd59 Mon Sep 17 00:00:00 2001
From: Aryadev Chavali <aryadev@aryadevchavali.com>
Date: Mon, 15 Apr 2024 16:30:44 +0630
Subject: Fix error where lexer would loop infinitely if unknown character
 found

---
 asm/lexer.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/asm/lexer.cpp b/asm/lexer.cpp
index e463b7c..7529eaf 100644
--- a/asm/lexer.cpp
+++ b/asm/lexer.cpp
@@ -403,6 +403,12 @@ lerr_t tokenise_buffer(string_view source, std::vector<token_t *> &tokens)
       if (lerr.type != lerr_type_t::OK)
         return lerr;
     }
+    else
+    {
+      ++column;
+      return lerr_t{lerr_type_t::UNKNOWN_CHAR, column, line};
+    }
+
     if (is_token)
     {
       t.line       = line;
-- 
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