WsParser_VS/libSyntax/ast_basic.h

#pragma once

#include <memory>
#include <QList>
#include <libtoken.h>
#include "libsyntax.h"

namespace ast_basic {
    // <20><><EFBFBD><EFBFBD><EFBFBD>﷨<EFBFBD><EFB7A8> ================================================================================================
    /**
     * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>﷨<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͻڵ<EFBFBD>/<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD>ڵ<EFBFBD>
     */
    class Expression {
    public:
        virtual ~Expression() = default;

        /**
         * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
         * @return
         */
        virtual std::shared_ptr<const lib_syntax::ExpressionRule> definedRule() const = 0;

        //=====================================================
        /**
         * <EFBFBD><EFBFBD>ȡ<EFBFBD>﷨<EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>·<EFBFBD><EFBFBD>.
         * 
         * \return <EFBFBD>ļ<EFBFBD>·<EFBFBD><EFBFBD>
         */
        virtual QString filePath() const = 0;
        /**
         * <EFBFBD><EFBFBD>ȡ<EFBFBD>﷨<EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>token<EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
         * 
         * \return token<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
         */
        virtual QList<std::shared_ptr<const lib_token::Token>> tokens() const = 0;
        virtual void tokensReset(const QList<std::shared_ptr<const lib_token::Token>> &list) = 0;
        /**
         * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>tokenʵ<EFBFBD><EFBFBD>.
         * 
         * \param token_inst ʵ<EFBFBD><EFBFBD>
         */
        virtual void addToken(std::shared_ptr<const lib_token::Token> token_inst) = 0;

        //=====================================================
        /**
         * @brief <EFBFBD>ӱ<EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
         * @return
         */
        virtual QList<std::shared_ptr<const Expression>> children() const = 0;
        /**
         * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӱ<EFBFBD><EFBFBD><EFBFBD>ʽ.
         * 
         * \param inst <EFBFBD>ӱ<EFBFBD><EFBFBD><EFBFBD>ʽʵ<EFBFBD><EFBFBD>
         */
        virtual void addChild(std::shared_ptr<const Expression> inst) = 0;
    };


    // <20><><EFBFBD><EFBFBD><EFBFBD>﷨<EFBFBD><EFB7A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ==========================================================================================
    /**
     * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD>ڵ<EFBFBD>
     */
    class LIBSYNTAX_EXPORT ExpressionElement : public ast_basic::Expression, 
    public std::enable_shared_from_this<ExpressionElement> {
    private:
        std::shared_ptr<const lib_syntax::ExpressionRule> _expr_rule;
        QList<std::shared_ptr<const Expression>> children_store;
        QList<std::shared_ptr<const lib_token::Token>> tokens_bind;

    public:
        ExpressionElement(std::shared_ptr<const lib_syntax::ExpressionRule> bind);

        // ͨ<><CDA8> Expression <20>̳<EFBFBD>
        std::shared_ptr<const lib_syntax::ExpressionRule> definedRule() const override;

        QString filePath() const override;

        QList<std::shared_ptr<const lib_token::Token>> tokens() const override;

        void tokensReset(const QList<std::shared_ptr<const lib_token::Token>>& list) override;

        void addToken(std::shared_ptr<const lib_token::Token> token_inst) override;

        QList<std::shared_ptr<const Expression>> children() const override;

        void addChild(std::shared_ptr<const Expression> inst) override;
    };

    class LIBSYNTAX_EXPORT ExpressionContext : public lib_syntax::ParseContext, public std::enable_shared_from_this<ExpressionContext> {
    private:
        QList<std::shared_ptr<const lib_syntax::BaseRule>> rule_stack;
        QList<std::shared_ptr<Expression>> expression_stack;

    public:
        ExpressionContext(){}


        // ͨ<><CDA8> ParseContext <20>̳<EFBFBD>
        std::shared_ptr<ast_basic::Expression> currentInst() const override;
        void pushInst(std::shared_ptr<ast_basic::Expression> current_inst) override;
        std::shared_ptr<ast_basic::Expression> popInst() override;

        std::shared_ptr<const lib_syntax::BaseRule> currentExpressionRule() const override;
        void pushExpressionRule(std::shared_ptr<const lib_syntax::BaseRule> inst) override;
        std::shared_ptr<const lib_syntax::BaseRule> popExpressionRule() override;

    };
}