chore: bump scintilla and lexilla version

3rdparty/scintilla557/scintilla/src/UniqueString.cxx

@@ -0,0 +1,52 @@
+// Scintilla source code edit control
+/** @file UniqueString.cxx
+ ** Define an allocator for UniqueString.
+ **/
+// Copyright 2017 by Neil Hodgson <neilh@scintilla.org>
+// The License.txt file describes the conditions under which this software may be distributed.
+
+#include <string_view>
+#include <vector>
+#include <algorithm>
+#include <memory>
+
+#include "UniqueString.h"
+
+namespace Scintilla::Internal {
+
+/// Equivalent to strdup but produces a std::unique_ptr<const char[]> allocation to go
+/// into collections.
+UniqueString UniqueStringCopy(const char *text) {
+	if (!text) {
+		return UniqueString();
+	}
+	const std::string_view sv(text);
+	std::unique_ptr<char[]> upcNew = std::make_unique<char[]>(sv.length() + 1);
+	sv.copy(upcNew.get(), sv.length());
+	return UniqueString(upcNew.release());
+}
+
+// A set of strings that always returns the same pointer for each string.
+
+UniqueStringSet::UniqueStringSet() = default;
+
+void UniqueStringSet::Clear() noexcept {
+	strings.clear();
+}
+
+const char *UniqueStringSet::Save(const char *text) {
+	if (!text)
+		return nullptr;
+
+	const std::string_view sv(text);
+	for (const UniqueString &us : strings) {
+		if (sv == us.get()) {
+			return us.get();
+		}
+	}
+
+	strings.push_back(UniqueStringCopy(text));
+	return strings.back().get();
+}
+
+}