1 files changed, 42 insertions, 0 deletions
diff --git a/include/cru/parse/Grammar.hpp b/include/cru/parse/Grammar.hpp
index e69de29b..dd4741df 100644
--- a/include/cru/parse/Grammar.hpp
+++ b/include/cru/parse/Grammar.hpp
@@ -0,0 +1,42 @@
+#pragma once
+#include "Production.hpp"
+
+#include <vector>
+
+namespace cru::parse {
+class Grammar : public Object {
+ public:
+  Grammar();
+
+  CRU_DELETE_COPY(Grammar)
+  CRU_DELETE_MOVE(Grammar)
+
+  ~Grammar() override;
+
+ public:
+  void SetStartSymbol(Nonterminal* start_symbol);
+
+  Terminal* CreateTerminal(String name);
+  Nonterminal* CreateNonterminal(String name);
+  Production* CreateProduction(String name, Nonterminal* left,
+                               std::vector<Symbol*> right);
+
+ public:  // Getters
+  Nonterminal* GetStartSymbol() const { return start_symbol_; }
+  const std::vector<Terminal*>& GetTerminals() const { return terminals_; }
+  const std::vector<Nonterminal*>& GetNonterminals() const {
+    return nonterminals_;
+  }
+  const std::vector<Symbol*>& GetSymbols() const { return symbols_; }
+  const std::vector<Production*>& GetProductions() const {
+    return productions_;
+  }
+
+ private:
+  Nonterminal* start_symbol_;
+  std::vector<Terminal*> terminals_;
+  std::vector<Nonterminal*> nonterminals_;
+  std::vector<Symbol*> symbols_;
+  std::vector<Production*> productions_;
+};
+}  // namespace cru::parse