1 files changed, 137 insertions, 0 deletions
diff --git a/src/node.hh b/src/node.hh
new file mode 100644
index 0000000..919d013
--- /dev/null
+++ b/src/node.hh
@@ -0,0 +1,137 @@
+// This file is part of Cait <https://github.com/Fuwn/cait>.
+// Copyright (C) 2022-2022 Fuwn <[email protected]>
+//
+// This program 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, version 3.
+//
+// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// Copyright (C) 2022-2022 Fuwn <[email protected]>
+// SPDX-License-Identifier: GPL-3.0-only
+
+#ifndef NODE_HH
+#define NODE_HH
+
+#include <map>
+#include <sstream>
+#include <string>
+#include <utility>
+#include <variant>
+#include <vector>
+
+#include "token.hh"
+
+namespace cait::node {
+
+class variable;
+class rule;
+class build;
+class default_;
+class pool;
+class include;
+class subninja;
+
+using item_map_type = std::map<std::string, std::vector<token>>;
+using node_set =
+    std::variant<rule, build, default_, variable, pool, include, subninja>;
+
+class stringable {
+public:
+  [[nodiscard]] virtual auto string() const -> std::string = 0;
+  virtual ~stringable() = default;
+};
+
+class variable : stringable {
+private:
+  const token &_name;
+  std::vector<token> _value_list;
+
+public:
+  variable(const token &, std::vector<token>);
+  [[nodiscard]] auto string() const -> std::string override;
+  [[nodiscard]] auto name() const noexcept -> const token &;
+  [[maybe_unused]] [[nodiscard]] auto value_list() const noexcept
+      -> const std::vector<token> &;
+};
+
+class rule : stringable {
+private:
+  const token &_name;
+  item_map_type _item_map;
+
+public:
+  rule(const token &, item_map_type);
+  [[nodiscard]] auto string() const -> std::string override;
+  [[nodiscard]] auto name() const noexcept -> const token &;
+  [[maybe_unused]] [[nodiscard]] auto item_map() const noexcept
+      -> const item_map_type &;
+};
+
+class pool : stringable {
+private:
+  const token &_name;
+  const token &_depth;
+
+public:
+  pool(const token &, const token &);
+  [[nodiscard]] auto string() const -> std::string override;
+  [[nodiscard]] auto name() const noexcept -> const token &;
+  [[maybe_unused]] [[nodiscard]] auto depth() const noexcept -> const token &;
+};
+
+class build : stringable {
+private:
+  const token &_output;
+  const token &_rule;
+  std::vector<token> _inputs;
+
+public:
+  build(const token &, const token &, std::vector<token>);
+  [[nodiscard]] auto string() const -> std::string override;
+  [[maybe_unused]] [[nodiscard]] auto output() const noexcept -> const token &;
+  [[maybe_unused]] [[nodiscard]] auto rule() const noexcept -> const token &;
+  [[maybe_unused]] [[nodiscard]] auto inputs() const noexcept
+      -> const std::vector<token> &;
+};
+
+class default_ : stringable {
+private:
+  std::vector<token> _targets;
+
+public:
+  explicit default_(std::vector<token>);
+  [[nodiscard]] auto string() const -> std::string override;
+  [[maybe_unused]] [[nodiscard]] auto targets() const noexcept
+      -> const std::vector<token> &;
+};
+
+class include : stringable {
+private:
+  const token &_path;
+
+public:
+  explicit include(const token &);
+  [[nodiscard]] auto string() const -> std::string override;
+  [[maybe_unused]] [[nodiscard]] auto path() const noexcept -> const token &;
+};
+
+class subninja : stringable {
+private:
+  const token &_path;
+
+public:
+  explicit subninja(const token &);
+  [[nodiscard]] auto string() const -> std::string override;
+  [[maybe_unused]] [[nodiscard]] auto path() const noexcept -> const token &;
+};
+
+} // namespace cait::node
+
+#endif // NODE_HH