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#pragma once
#include "cru/base/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
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