chore: .cc to .cpp conversion, define CK_POSIX in frontends, new driver system for Nectar/C++ frontend.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/src/CommandLine/cppdrv.cpp b/src/CommandLine/cppdrv.cpp
new file mode 100644
index 0000000..6977923
--- /dev/null
+++ b/src/CommandLine/cppdrv.cpp
@@ -0,0 +1,22 @@
+// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
+// Licensed under the Apache License, Version 2.0 (See accompanying
+// file LICENSE or copy at http://www.apache.org/licenses/LICENSE-2.0)
+// Official repository: https://github.com/nekernel-org/nectar
+
+/// @file cppdrv.cc
+/// @brief Nectar frontend preprocessor.
+
+#include <CompilerKit/Detail/Config.h>
+#include <CompilerKit/ErrorID.h>
+
+CK_IMPORT_C int GenericPreprocessorMain(int argc, char const* argv[]);
+
+int main(int argc, char const* argv[]) {
+  if (auto code = GenericPreprocessorMain(argc, argv); code > 0) {
+    std::printf("cppdrv: preprocessor exited with code %i.\n", code);
+
+    return NECTAR_EXEC_ERROR;
+  }
+
+  return NECTAR_SUCCESS;
+}