From a41729222640456323f46110c113a318cd98243d Mon Sep 17 00:00:00 2001
From: _ov4 <ov4@ov4.org>
Date: Sat, 5 Sep 2026 16:54:17 +0000
Subject: fix unmatched brackets

---
 include/lexer/token.h | 7 ++++++-
 module-test/ast.cc    | 6 +++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/include/lexer/token.h b/include/lexer/token.h
index 5494009..65ef830 100644
--- a/include/lexer/token.h
+++ b/include/lexer/token.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <string>lexer
+#include <string>
 
 #include "lexer/enum_type.h"
 #include "lexer/shared.h"
@@ -72,6 +72,11 @@ void bracket_depth_changer(char c, int &bracket_depth)
     {
         bracket_depth--;
         println("changed depth: {}", bracket_depth);
+        if (bracket_depth < 0)
+        {
+            cerr << "Ooooops bracket unmatched, quitting" << endl;
+            exit(-1); // TODO: std::expected or what, rather than quitting
+        }
         return;
     }
 }
diff --git a/module-test/ast.cc b/module-test/ast.cc
index f9dcbb8..1710f23 100644
--- a/module-test/ast.cc
+++ b/module-test/ast.cc
@@ -28,7 +28,7 @@ constexpr int MAXLINE = 1024;
 
 int main()
 {
-    int test_case = 5;
+    int test_case = 6;
     string s;
 
     switch (test_case)
@@ -51,6 +51,10 @@ int main()
         case 5:
             s = "alpha || beta && (gamma || epsilon)";
             break;
+        case 6:
+            // bracket matching test
+            s = ")alpha && beta(";
+            break;
         default:
             return 0;
     }
-- 
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