From 4b7c87a9b53f5317e9f7982bd779d53a66960bdc Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Sun, 16 Aug 2026 00:58:38 +0200
Subject: Support UTF-8 strings

---
 include/elna/boot/driver.h | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

(limited to 'include')

diff --git a/include/elna/boot/driver.h b/include/elna/boot/driver.h
index 9076e23..45e2e40 100644
--- a/include/elna/boot/driver.h
+++ b/include/elna/boot/driver.h
@@ -45,15 +45,31 @@ namespace elna::boot
 
     constexpr char escape_invalid_char = '\xff';
 
-    char escape_char(char escape);
     /**
-     * Replaces both \r\n sequences and lone \r characters with \n.
-     * Modifies the original input.
+     * Parses a character literal and produces code point integer
+     * representation.
      *
-     * \param string Text to normalize.
+     * \param escape Text to parse.
+     * \return Code point.
      */
-    void normalize_newlines(std::string& string);
-    std::optional<std::string> escape_string(const char *escape);
+    std::optional<std::uint32_t> parse_character_literal(const char *escape);
+
+    /**
+     * Parses and unescapes a single byte character. Fails if the input inside
+     * single quotes contains more than a single character. Rejects unicode.
+     *
+     * \param escape Text to unescape.
+     * \return Unescaped character.
+     */
+    std::optional<std::uint8_t> parse_byte_literal(const char *escape);
+
+    /**
+     * Parses and unescapes a string.
+     *
+     * \param escape Text to unescape.
+     * \return Unescaped string.
+     */
+    std::optional<std::string> parse_string_literal(const char *escape);
 
     template<typename T>
     std::optional<std::pair<std::make_unsigned_t<T>, integer_sign>>
-- 
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