From 9f25aeb1a46cefc4165ff5620123e1812b25cc16 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@mirocom.org>
Date: Sat, 21 Mar 2026 15:22:59 -0400
Subject: [PATCH] frontened: lexer: Print error on bad token

Signed-off-by: Ian Moffett <ian@mirocom.org>
---
 frontend/lexer.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/frontend/lexer.c b/frontend/lexer.c
index df5673c..ca7e5e2 100644
--- a/frontend/lexer.c
+++ b/frontend/lexer.c
@@ -18,6 +18,7 @@
 #include "frontend/token.h"
 #include "frontend/lexer.h"
 #include "common/ptrbox.h"
+#include "common/trace.h"
 
 /*
  * Test if a given character counts as a whitespace character
@@ -232,6 +233,7 @@ lexer_scan(struct quip_state *state, struct token *tokres)
             return 0;
         }
 
+        trace_error(state, "unknown token %c\n", c);
         break;
     }