From 0eaa2a420cb699cdb23ce9b1573560a5d9e59a31 Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Wed, 5 Aug 2026 09:08:24 +0200
Subject: add regex literals

---
 src/z/parser/lexer.zig | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/z/parser/lexer.zig')

diff --git a/src/z/parser/lexer.zig b/src/z/parser/lexer.zig
index 66d4211..5beefde 100644
--- a/src/z/parser/lexer.zig
+++ b/src/z/parser/lexer.zig
@@ -43,6 +43,7 @@ pub fn Lexer(TokenKind: type) type {
         last_buffer: []const u8,
         tokens: []const Token(TokenKind) = &.{},
         context: TokenKind.Context = .{},
+        last_context: TokenKind.Context = .{},
 
         pub fn init(buffer: []const u8) Self {
             return .{
@@ -114,11 +115,13 @@ pub fn Lexer(TokenKind: type) type {
 
         pub fn revert(self: *Self) void {
             self.buffer = self.last_buffer;
+            self.context = self.last_context;
         }
 
         pub fn commit(self: *Self, tok: Token(TokenKind)) void {
             self.tokens = self.tokens ++ [_]Token(TokenKind){tok.stop(self)};
             self.last_buffer = self.buffer;
+            self.last_context = self.context;
         }
     };
 }
-- 
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