...

1 files changed, 33 insertions, 0 deletions

diff --git a/include/cru/parse/ParsingTreeNode.hpp b/include/cru/parse/ParsingTreeNode.hpp
new file mode 100644
index 00000000..d1c3d058
--- /dev/null
+++ b/include/cru/parse/ParsingTreeNode.hpp
@@ -0,0 +1,33 @@
+#pragma once
+#include "Grammar.hpp"
+
+#include <vector>
+
+namespace cru::parse {
+class ParsingTreeNode {
+ public:
+  ParsingTreeNode(Symbol* symbol, Production* production);
+
+  CRU_DELETE_COPY(ParsingTreeNode)
+  CRU_DELETE_MOVE(ParsingTreeNode)
+
+  // In destructor, it will delete all children.
+  ~ParsingTreeNode();
+
+ public:
+  Symbol* GetSymbol() const { return symbol_; }
+  Production* GetProduction() const { return production_; }
+  Grammar* GetGrammar() const;
+
+  const std::vector<ParsingTreeNode*>& GetChildren() const { return children_; }
+
+  void AddChild(ParsingTreeNode* child);
+  void AddChild(ParsingTreeNode* child, Index index);
+  void RemoveChild(Index index);
+
+ private:
+  Symbol* symbol_;
+  Production* production_;
+  std::vector<ParsingTreeNode*> children_;
+};
+}  // namespace cru::parse