From 3f9c03a37b79816a50d067cee87fc2e129371b59 Mon Sep 17 00:00:00 2001
From: Dustin Spicuzza <dustin@virtualroadside.com>
Date: Thu, 31 Dec 2020 00:24:01 -0500
Subject: [PATCH] Ensure that lexers don't share state

---
 cxxheaderparser/lexer.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cxxheaderparser/lexer.py b/cxxheaderparser/lexer.py
index d982caa..3a53671 100644
--- a/cxxheaderparser/lexer.py
+++ b/cxxheaderparser/lexer.py
@@ -248,6 +248,7 @@ class Lexer:
         print("Lex error: ", v)
 
     _lexer = None
+    lex: lex.Lexer
 
     def __new__(cls, *args, **kwargs):
         # only build the lexer once
@@ -256,6 +257,7 @@ class Lexer:
             cls._lexer = lex.lex(module=inst)
 
         inst.lex = cls._lexer.clone(inst)
+        inst.lex.begin("INITIAL")
         return inst
 
     def __init__(self, filename: typing.Optional[str] = None):