126 lines
2.8 KiB
C++
126 lines
2.8 KiB
C++
#pragma once
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#include "libsyntax_global.h"
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#include <libwords.h>
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namespace lib_token {
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/**
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* @brief 解析异常
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*/
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class LIBSYNTAX_EXPORT TokenException {
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private:
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QString msg_store;
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public:
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TokenException(const QString& message);
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virtual QString message() const;
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};
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/**
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* @brief token类型定义
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*/
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class ITokenDefine {
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public:
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/**
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* @brief 整数类型标识.
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*
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* \return
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*/
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virtual int typeMark() const = 0;
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/**
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* @brief 解析机制关键定义
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* @return
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*/
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virtual QString regex() const = 0;
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};
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/**
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* @brief token解析结果
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*/
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class IToken : public lib_words::IWordBase {
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public:
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/**
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* @brief token解析机制关联
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* @return
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*/
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virtual std::shared_ptr<const ITokenDefine> defines() const = 0;
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/**
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* @brief 上一个Token
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* @return
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*/
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virtual std::shared_ptr<const IToken> previousToken() const = 0;
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};
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/**
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* @brief token解析机制定义
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*/
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class ITokenProcess : public ITokenDefine {
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public:
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/**
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* @brief 解析机制名称
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* @return
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*/
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virtual QString reviseWords() const = 0;
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/**
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* @brief 解析词语处理过程
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* @param content 词语
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* @return tuple<token/null,remains> 解析结果
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*/
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virtual std::tuple<std::shared_ptr<const IToken>, std::shared_ptr<const lib_words::IPrimitiveWord>>
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analysis(std::shared_ptr<const lib_words::IPrimitiveWord> content) const = 0;
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};
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/**
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* @brief 词法解析成果
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*/
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class TokenContent : public IToken {
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private:
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int row_n, col_n, doc_offset;
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QString text_n, path_p;
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std::shared_ptr<const ITokenDefine> type_def;
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public:
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/**
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* @brief 词法解析内容
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* @param r 行
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* @param c 列
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* @param pos 位置
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* @param t 内容
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* @param p path
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* @param paramType 类型定义
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*/
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TokenContent(int r, int c, uint64_t pos, const QString& t, const QString& p, std::shared_ptr<const ITokenDefine> paramType);
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// WordBase interface
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public:
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virtual QString file() const override;
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virtual uint64_t position() const override;
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virtual QString content() const override;
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virtual int row() const override;
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virtual int column() const override;
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// Token interface
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public:
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virtual std::shared_ptr<const ITokenDefine> defines() const override;
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virtual std::shared_ptr<const IToken> previousToken() const override;
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};
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class TokenChain : public IToken {
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private:
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std::shared_ptr<const IToken> _token_previous;
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std::shared_ptr<const IToken> _token_content;
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public:
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TokenChain(std::shared_ptr<const IToken> content, std::shared_ptr<const IToken> prev);
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// 通过 IToken 继承
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QString file() const override;
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uint64_t position() const override;
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QString content() const override;
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int row() const override;
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int column() const override;
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std::shared_ptr<const ITokenDefine> defines() const override;
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std::shared_ptr<const IToken> previousToken() const override;
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};
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} |