1 files changed, 49 insertions, 0 deletions
diff --git a/nihil.cli/command_node.cc b/nihil.cli/command_node.cc
new file mode 100644
index 0000000..dd18716
--- /dev/null
+++ b/nihil.cli/command_node.cc
@@ -0,0 +1,49 @@
+/*
+ * This source code is released into the public domain.
+ */
+
+module;
+
+#include <expected>
+#include <iostream>
+#include <print>
+#include <string>
+
+#include <unistd.h>
+
+module nihil.cli;
+
+import nihil.core;
+import nihil.error;
+
+namespace nihil {
+
+//NOLINTNEXTLINE(bugprone-exception-escape)
+command_node::command_node(std::string_view path) noexcept
+try	: m_path(path)
+{
+} catch (std::exception const &exc) {
+	std::fprintf(stderr, "%s\n", exc.what());
+	_exit(1);
+	/*NOTREACHED*/
+}
+
+command_node::~command_node()
+{
+}
+
+auto command_node::path(this command_node const &self) noexcept
+	-> std::string_view
+{
+	return self.m_path;
+}
+
+auto command_node::invoke(int, char **) const
+	-> std::expected<int, error>
+{
+	// If invoke() wasn't overridden, then this is an empty node,
+	// so the command was incomplete.
+	return std::unexpected(error(errc::incomplete_command));
+}
+
+} // namespace nihil