From ee1a5de91c875fb66724dc21c02333bfebe2a812 Mon Sep 17 00:00:00 2001
From: Bad Diode <bd@badd10de.dev>
Date: Tue, 1 Feb 2022 18:36:52 +0100
Subject: Add new syntax to lexer and prepare refactor

---
 src/string_view.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/string_view.c')

diff --git a/src/string_view.c b/src/string_view.c
index 8247bd4..4e9df5c 100644
--- a/src/string_view.c
+++ b/src/string_view.c
@@ -11,6 +11,15 @@ sv_next(StringView *sv) {
     return c;
 }
 
+void
+sv_rewind(StringView *sv) {
+    if (sv->start == 0) {
+        return;
+    }
+    sv->start--;
+    sv->n++;
+}
+
 char
 sv_peek(const StringView *sv) {
     if (sv->n == 0) {
-- 
cgit v1.2.1