1 files changed, 34 insertions, 0 deletions
diff --git a/rcc-legacy/include/rcc/error.h b/rcc-legacy/include/rcc/error.h
new file mode 100644
index 0000000..f831da0
--- /dev/null
+++ b/rcc-legacy/include/rcc/error.h
@@ -0,0 +1,34 @@
+/* Source code for RCC-Legacy.
+   Copyright (C) 2026 Richard Qin
+
+This file is part of RCC.
+
+RCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+RCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with RCC; see the file LICENSE.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#pragma once
+
+#include <string>
+
+namespace rcc {
+[[noreturn]] inline void fatal(const std::string& msg) {
+    fprintf(stderr, "rcc: error: %s\n", msg.c_str());
+    exit(1);
+}
+
+[[noreturn]] inline void fatal(int line, const std::string& msg) {
+    fprintf(stderr, "rcc: error (line %d): %s\n", line, msg.c_str());
+    exit(1);
+}
+}  // namespace rcc
+\ No newline at end of file