64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
#pragma once
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#include "libsyntax.h"
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#include <concepts>
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namespace lib_composit {
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template<typename... TYPES> class __types_list;
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template<> class __types_list<> {
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public:
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static QList<std::shared_ptr<const lib_syntax::IBasicRule>> getRules() {
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return QList<std::shared_ptr<const lib_syntax::IBasicRule>>();
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}
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};
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template<typename T, typename... Rets>
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requires std::derived_from<T, lib_syntax::IBasicRule>
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class __types_list<T, Rets...> : public __types_list<Rets...> {
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public:
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static QList<std::shared_ptr<const lib_syntax::IBasicRule>> getRules() {
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auto list = __types_list<Rets...>::getRules();
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list.prepend(std::make_shared<const T>());
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return list;
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}
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};
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template<typename... TYPES>
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class Any : public lib_syntax::__anyone_impl, public __types_list<TYPES...> {
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public:
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Any() : __anyone_impl(__types_list<TYPES...>::getRules()) { }
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};
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template<typename... TYPES>
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class Seqs : public lib_syntax::__sequence_impl, public __types_list<TYPES...> {
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public:
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Seqs() : __sequence_impl(__types_list<TYPES...>::getRules()) { }
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};
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template<typename TYPE, int min, int max> requires std::derived_from<TYPE, lib_syntax::IBasicRule>
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class Rept : public lib_syntax::__repeat_impl {
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public:
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Rept() : __repeat_impl(std::make_shared<TYPE>(), min, max) { }
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};
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template<typename TYPE> class OptMulti : public Rept<TYPE, 0, INT_MAX> { };
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template<typename TYPE> class Multi : public Rept<TYPE, 1, INT_MAX> { };
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template<typename TYPE> class Opt : public Rept<TYPE, 0, 1> { };
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template<typename E, typename T, lib_token::TokenProc<E> p = nullptr>
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requires std::derived_from<E, ast_basic::IExprInstance>&& std::derived_from<T, lib_token::ITokenProcess>
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class Action : public lib_syntax::__token_match_impl<E, p> {
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public:
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Action() : __token_match_impl<E, p>(std::make_shared<T>()) { }
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};
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template<typename ExprT> requires std::derived_from<ExprT, ast_basic::IExprInstance>
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void apntk(std::shared_ptr<ExprT> expr, std::shared_ptr<const lib_token::IToken> t) {
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expr->addToken(t);
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}
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template<typename T>
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requires std::derived_from<T, lib_token::ITokenProcess>
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class Match : public Action<ast_basic::IExprInstance, T, apntk<ast_basic::IExprInstance>> { };
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}
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