...

1 files changed, 43 insertions, 0 deletions

diff --git a/include/cru/parse/Production.h b/include/cru/parse/Production.h
new file mode 100644
index 00000000..d5ababe6
--- /dev/null
+++ b/include/cru/parse/Production.h
@@ -0,0 +1,43 @@
+#pragma once
+#include "cru/common/String.h"
+
+#include "Nonterminal.h"
+#include "Terminal.h"
+
+#include <vector>
+
+namespace cru::parse {
+class CRU_PARSE_API Production : public Object {
+ public:
+  Production(Grammar* grammar, String name, Nonterminal* left,
+             std::vector<Symbol*> right);
+
+  CRU_DELETE_COPY(Production)
+  CRU_DELETE_MOVE(Production)
+
+  ~Production() override;
+
+ public:
+  Grammar* GetGrammar() const { return grammar_; }
+
+  String GetName() const { return name_; }
+  void SetName(String name) { name_ = std::move(name); }
+
+  Nonterminal* GetLeft() const { return left_; }
+  void SetLeft(Nonterminal* left);
+
+  const std::vector<Symbol*>& GetRight() const { return right_; }
+  void SetRight(std::vector<Symbol*> right);
+
+  bool IsLeftRecursion() const {
+    return !right_.empty() && left_ == right_.front();
+  }
+
+ private:
+  Grammar* grammar_;
+  String name_;
+
+  Nonterminal* left_;
+  std::vector<Symbol*> right_;
+};
+}  // namespace cru::parse