From b54c80782427113120192861adffafa93df4552e Mon Sep 17 00:00:00 2001
From: Dustin Spicuzza <dustin@virtualroadside.com>
Date: Tue, 13 Dec 2022 23:18:14 -0500
Subject: [PATCH] Remove unused lexer.filenames

---
 cxxheaderparser/lexer.py | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/cxxheaderparser/lexer.py b/cxxheaderparser/lexer.py
index f8d3285..165f08e 100644
--- a/cxxheaderparser/lexer.py
+++ b/cxxheaderparser/lexer.py
@@ -432,11 +432,7 @@ class Lexer:
     def t_PRECOMP_MACRO(self, t: LexToken) -> typing.Optional[LexToken]:
         m = _line_re.match(t.value)
         if m:
-            filename = m.group(2)
-            if filename not in self._filenames_set:
-                self.filenames.append(filename)
-                self._filenames_set.add(filename)
-            self.filename = filename
+            self.filename = m.group(2)
 
             self.line_offset = 1 + self.lex.lineno - int(m.group(1))
             return None
@@ -508,13 +504,6 @@ class Lexer:
         self.filename = filename
         self.line_offset = 0
 
-        self.filenames: typing.List[str] = []
-        self._filenames_set: typing.Set[str] = set()
-
-        if filename:
-            self.filenames.append(filename)
-            self._filenames_set.add(filename)
-
         # Doxygen comments
         self.comments = []