WsParser_VS/libSyntax/syntax_templets.h

#pragma once

#include "libsyntax.h"
#include <concepts>

namespace lib_composit {
	template<typename... TYPES> class __types_list;

	template<> class __types_list<> {
	public:
		static QList<std::shared_ptr<const lib_syntax::IBasicRule>> getRules() {
			return QList<std::shared_ptr<const lib_syntax::IBasicRule>>();
		}
	};

	template<typename T, typename... Rets>
		requires std::derived_from<T, lib_syntax::IBasicRule>
	class __types_list<T, Rets...> : public __types_list<Rets...> {
	public:
		static QList<std::shared_ptr<const lib_syntax::IBasicRule>> getRules() {
			auto list = __types_list<Rets...>::getRules();
			list.prepend(std::make_shared<const T>());
			return list;
		}
	};

	template<typename... TYPES>
	class AnyR : public lib_syntax::Any, public __types_list<TYPES...> {
	public:
		AnyR() : Any(__types_list<TYPES...>::getRules()) { }
	};

	template<typename... TYPES>
	class SeqsR : public lib_syntax::Seqs, public __types_list<TYPES...> {
	public:
		SeqsR() : Seqs(__types_list<TYPES...>::getRules()) { }
	};

	template<typename TYPE, int min, int max> requires std::derived_from<TYPE, lib_syntax::IBasicRule>
	class ReptR : public lib_syntax::Rept {
	public:
		ReptR() : Rept(std::make_shared<TYPE>(), min, max) { }
	};
	template<typename TYPE> class OptMulti : public ReptR<TYPE, 0, INT_MAX> { };
	template<typename TYPE> class Multi : public ReptR<TYPE, 1, INT_MAX> { };
	template<typename TYPE> class Opt : public ReptR<TYPE, 0, 1> { };


	template<typename E, typename T, lib_token::TokenProc<E> p = nullptr>
		requires std::derived_from<E, ast_basic::IExprInstance>&& std::derived_from<T, lib_token::ITokenProcess>
	class TAct : public lib_syntax::TokenMatch<E, p> {
	public:
		TAct() : TokenMatch<E, p>(std::make_shared<T>()) { }
	};

	template<typename ExprT> requires std::derived_from<ExprT, ast_basic::IExprInstance>
	void apntk(std::shared_ptr<ExprT> expr, std::shared_ptr<const lib_token::IToken> t) {
		expr->addToken(t);
	}
	template<typename T>
		requires std::derived_from<T, lib_token::ITokenProcess>
	class TMatch : public TAct<ast_basic::IExprInstance, T, apntk<ast_basic::IExprInstance>> { };
}