From c09f7492840166bf5fa6ae591824df7fec9f2801 Mon Sep 17 00:00:00 2001
From: LordBaryhobal <lordbaryhobal@gmail.com>
Date: Sat, 7 Feb 2026 23:23:16 +0100
Subject: [PATCH] fix(fstring): use two different tokens for x and X

---
 src/core/format_spec/lexer.py  | 4 +++-
 src/core/format_spec/parser.py | 1 +
 src/core/format_spec/token.py  | 1 +
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/core/format_spec/lexer.py b/src/core/format_spec/lexer.py
index ffb1241..0305d69 100644
--- a/src/core/format_spec/lexer.py
+++ b/src/core/format_spec/lexer.py
@@ -95,8 +95,10 @@ class FormatSpecLexer:
                 self.add_token(TokenType.T_DEC)
             case "o":
                 self.add_token(TokenType.T_OCT)
-            case "x" | "X":
+            case "x":
                 self.add_token(TokenType.T_HEX)
+            case "X":
+                self.add_token(TokenType.T_HEX_CAPS)
             case "e":
                 self.add_token(TokenType.T_SCI)
             case "f":
diff --git a/src/core/format_spec/parser.py b/src/core/format_spec/parser.py
index a1084b2..53e8f8a 100644
--- a/src/core/format_spec/parser.py
+++ b/src/core/format_spec/parser.py
@@ -14,6 +14,7 @@ class FormatSpecParser:
         TokenType.T_DEC,
         TokenType.T_OCT,
         TokenType.T_HEX,
+        TokenType.T_HEX_CAPS,
         TokenType.T_SCI,
         TokenType.T_FIX,
         TokenType.T_PCT,
diff --git a/src/core/format_spec/token.py b/src/core/format_spec/token.py
index d336d99..d41559e 100644
--- a/src/core/format_spec/token.py
+++ b/src/core/format_spec/token.py
@@ -24,6 +24,7 @@ class TokenType(Enum):
     T_DEC = auto()
     T_OCT = auto()
     T_HEX = auto()
+    T_HEX_CAPS = auto()
 
     ## Float
     T_SCI = auto()