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 IExprInst {
    public:
        virtual ~IExprInst() = 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::ExprRule> 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::IToken>> tokens() const = 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::IToken> token_inst) = 0;
        //=====================================================
        /**
         * @brief <EFBFBD>ӱ<EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
         * @return
         */
        virtual QList<std::shared_ptr<const IExprInst>> 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 IExprInst> 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::IExprInst, public std::enable_shared_from_this<ExpressionElement> {
    private:
        std::shared_ptr<const lib_syntax::ExprRule> _expr_rule;
        QList<std::shared_ptr<const IExprInst>> children_store;
        QList<std::shared_ptr<const lib_token::IToken>> tokens_bind;

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

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

        QList<std::shared_ptr<const lib_token::IToken>> tokens() const override;
        void addToken(std::shared_ptr<const lib_token::IToken> token_inst) override;

        QList<std::shared_ptr<const IExprInst>> children() const override;
        void addChild(std::shared_ptr<const IExprInst> inst) override;
    };

    class LIBSYNTAX_EXPORT ExpressionContext : public lib_syntax::IContext, public std::enable_shared_from_this<ExpressionContext> {
    private:
        QList<std::shared_ptr<const lib_syntax::IBasicRule>> rule_stack;
        QList<std::shared_ptr<IExprInst>> expression_stack;
        QList<std::shared_ptr<const ast_basic::IExprInst>> document_store;
        QString current_file_path;
        QList<std::tuple<QString, int, QString>> errors_storage;

    public:
        ExpressionContext();

        virtual void setCurrentFile(const QString& path);
        virtual QString currentFile() const;

        // ͨ<><CDA8> IContext <20>̳<EFBFBD>
        std::shared_ptr<ast_basic::IExprInst> currentExprInst() const override;
        void pushExprInst(std::shared_ptr<ast_basic::IExprInst> current_inst) override;
        std::shared_ptr<ast_basic::IExprInst> popExprInst() override;

        std::shared_ptr<const lib_syntax::IBasicRule> currentExprRule() const override;
        void pushExprRule(std::shared_ptr<const lib_syntax::IBasicRule> inst) override;
        std::shared_ptr<const lib_syntax::IBasicRule> popExprRule() override;
        virtual QList<std::shared_ptr<const lib_syntax::IBasicRule>> currentExprRuleStack() const;

        virtual void appendDocInst(std::shared_ptr<ast_basic::IExprInst> inst) override;
        virtual QList<std::shared_ptr<const ast_basic::IExprInst>> getDocInsts() const override;

        void appendParseErrors(const QString& file_path, int start, const QString& error_msg) override;
        QStringList errors() const override;
        void clearErrors(const QString& file_path, int start) override;
    };
}