From a744bd5fcda35b086566ba961502d589eefd5fe9 Mon Sep 17 00:00:00 2001
From: lemon <lsof@mailbox.org>
Date: Sun, 28 Aug 2022 09:20:07 +0200
Subject: fix some fold and add def const

---
 src/fmt.cff | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/fmt.cff')

diff --git a/src/fmt.cff b/src/fmt.cff
index 6707222..39b9e5b 100644
--- a/src/fmt.cff
+++ b/src/fmt.cff
@@ -387,6 +387,12 @@ extern fn warn(P *Parser, loc Loc, fmt *const u8, ...) void {
 }
 
 extern fn err(P *Parser, loc Loc, fmt *const u8, ...) void {
+   P.error = #t;
+   static nerr int = 0;
+   if nerr++ == 20 {
+      efmt("Aborting due to too many errors.\n");
+      exit(1);
+   }
    let ap va_list #?;
    ap->start(fmt);
    vdiag(P, loc, "\e[31merror\e[0m", fmt, ap);
-- 
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