354 lines
8.2 KiB
C++
354 lines
8.2 KiB
C++
#pragma once
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#include "ast_basic.h"
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#include "libsyntax.h"
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#include <QtCore/QHash>
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#include <QtCore/QString>
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namespace ast_gen {
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class TokenAccess;
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/**
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* @brief 解析上下文
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*/
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class SyntaxElement {
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public:
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virtual ~SyntaxElement() = default;
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/**
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* 绑定表达式实体.
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*
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* \return 表达式实例
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*/
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virtual std::shared_ptr<const ast_basic::IExprInstance> bindExpression() const = 0;
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/**
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* @brief 类型标记
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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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* 是否属于匿名节点.
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*
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* \return 匿名标志
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*/
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virtual bool isAnonymous() const = 0;
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/**
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* @brief 文件路径
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* @return
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*/
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virtual QString path() const = 0;
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/**
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* @brief 元素签名，如果是匿名元素返回空字符串
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* @return
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*/
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virtual QString signature() const = 0;
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/**
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* @brief 获取父元素
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* @return 未设置parent，返回nullptr
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*/
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virtual std::weak_ptr<const SyntaxElement> parent() const = 0;
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/**
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* @brief 重置父指针.
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*
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* \param inst
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*/
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virtual void setParent(std::shared_ptr<const SyntaxElement> inst) = 0;
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/**
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* @brief 定义元素自身的Token集合
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* @return
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*/
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virtual QList<std::shared_ptr<const TokenAccess>> selfTokens() const = 0;
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};
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/**
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* @brief 语法元素整理访问接口
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*/
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class LIBSYNTAX_EXPORT ElementAccess {
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private:
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std::shared_ptr<const SyntaxElement> peers;
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public:
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ElementAccess(std::shared_ptr<const SyntaxElement> point);
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std::shared_ptr<const SyntaxElement> element() const;
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QList<std::shared_ptr<const ElementAccess>> children() const;
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/**
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* @brief 获取该元素下所有Token定义
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* @return
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*/
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virtual QList<std::shared_ptr<const TokenAccess>> tokens() const;
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};
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/**
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* @brief Token元素访问接口
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*/
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class LIBSYNTAX_EXPORT TokenAccess {
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private:
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std::shared_ptr<const ast_gen::SyntaxElement> element_bind;
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std::shared_ptr<const lib_token::IToken> token_store;
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public:
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TokenAccess(std::shared_ptr<const ast_gen::SyntaxElement> elm_inst, std::shared_ptr<const lib_token::IToken> token_inst);
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virtual std::shared_ptr<const ast_gen::SyntaxElement> bind() const;
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virtual std::shared_ptr<const lib_token::IToken> token() const;
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};
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}
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namespace example_novel {
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enum class NovelNode {
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GlobalElement = 0,
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TextSection = 1,
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PointRefers = 2,
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PointDefines = 3,
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StoryDefine = 4,
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Document = 5,
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ArticleDefine = 6,
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VolumeDefine = 7,
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RankDeclaration = 8,
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FragmentSlice = 9,
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};
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/*
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GlobalElement
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\-Document
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|-RankDeclaration
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|-StoryDefine
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| |-TextSection
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| \-FragmentSlice
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| |-TextSection
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| |-PointDefines
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| | \-TextSection
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| \-PointRefers
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| \-TextSection
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\-VolumeDefine
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|-TextSection
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\-ArticleDefine
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|-TextSection
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\-PointRefers
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\-TextSection
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*/
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template<NovelNode type, bool named>
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class AbstractImpl : public ast_basic::ExprInstance, public ast_gen::SyntaxElement {
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private:
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std::weak_ptr<const SyntaxElement> parent_store;
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public:
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AbstractImpl(std::shared_ptr<const lib_syntax::ExprRule> rule_bind)
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: ExprInstance(rule_bind) {
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parent_store.reset();
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}
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// 通过 SyntaxElement 继承
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virtual int typeMark() const override {
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return (int) type;
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}
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virtual bool isAnonymous() const override {
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return !named;
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}
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virtual std::shared_ptr<const IExprInstance> bindExpression() const override {
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return shared_from_this();
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}
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QString path() const override {
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return ExprInstance::filePath();
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}
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virtual std::weak_ptr<const ast_gen::SyntaxElement> parent() const override {
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return this->parent_store;
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}
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virtual void setParent(std::shared_ptr<const ast_gen::SyntaxElement> inst) override {
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this->parent_store = inst;
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}
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virtual QList<std::shared_ptr<const ast_gen::TokenAccess>> selfTokens() const override {
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auto tokensx = ExprInstance::tokens();
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QList<std::shared_ptr<const ast_gen::TokenAccess>> values;
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for (auto xit : tokensx) {
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values.append(std::make_shared<ast_gen::TokenAccess>(std::dynamic_pointer_cast<const ast_gen::SyntaxElement>(shared_from_this()), xit));
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}
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return values;
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}
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};
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/**
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* @brief 文字段落
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*/
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class LIBSYNTAX_EXPORT TextSection : public AbstractImpl<NovelNode::TextSection, false> {
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public:
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TextSection(std::shared_ptr<const lib_syntax::ExprRule> rule_bind);
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/**
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* @brief 段落内容
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*/
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QString content() const;
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// 通过 AbstractImpl 继承
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virtual QString signature() const override;
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};
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/**
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* @brief 故事情节
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*/
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class LIBSYNTAX_EXPORT FragmentSlice : public AbstractImpl<NovelNode::FragmentSlice, true> {
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private:
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QString _slice_name;
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public:
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FragmentSlice(std::shared_ptr<const lib_syntax::ExprRule> rule);
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QString name() const;
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void setName(const QString& nm);
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// 通过 AbstractImpl 继承
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QString signature() const override;
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};
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/**
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* @brief 节点引用定义
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*/
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class LIBSYNTAX_EXPORT PointRefers : public AbstractImpl<NovelNode::PointRefers, false> {
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private:
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QString story_refs, slice_ref, point_ref;
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public:
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PointRefers(std::shared_ptr<const lib_syntax::ExprRule> rule_bind);
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QString storyRefer() const;
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void setStoryRefer(const QString& refer);
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QString sliceRefer() const;
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void setSliceRefer(const QString& refer);
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QString pointRefer() const;
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void setPointRefer(const QString& refer);
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QString referSignature() const;
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// 通过 AbstractImpl 继承
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virtual QString signature() const override;
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};
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/**
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* @brief 节点定义
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*/
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class LIBSYNTAX_EXPORT PointDefines : public AbstractImpl<NovelNode::PointDefines, true> {
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private:
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QString name_store;
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public:
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PointDefines(std::shared_ptr<const lib_syntax::ExprRule> rule_bind);
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QString name() const;
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void setName(const QString& nm);
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// 通过 AbstractImpl 继承
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virtual QString signature() const override;
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};
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/**
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* @brief 章节定义
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*/
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class LIBSYNTAX_EXPORT ArticleDefine : public AbstractImpl<NovelNode::ArticleDefine, true> {
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public:
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ArticleDefine(std::shared_ptr<const lib_syntax::ExprRule> rule_bind);
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QString name() const;
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void setName(const QString& nm);
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// 通过 AbstractImpl 继承
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virtual QString signature() const override;
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private:
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QString name_store;
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};
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/**
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* @brief 卷宗定义
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*/
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class LIBSYNTAX_EXPORT VolumeDefine : public AbstractImpl<NovelNode::VolumeDefine, true> {
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public:
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VolumeDefine(std::shared_ptr<const lib_syntax::ExprRule> rule_bind);
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QString name() const;
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void setName(const QString& nm);
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// 通过 AbstractImpl 继承
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virtual QString signature() const override;
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private:
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QString name_store;
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};
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/**
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* @brief 故事定义
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*/
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class LIBSYNTAX_EXPORT StoryDefine : public AbstractImpl<NovelNode::StoryDefine, true> {
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public:
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StoryDefine(std::shared_ptr<const lib_syntax::ExprRule> rule_bind);
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QString name() const;
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void setName(const QString& nm);
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void setSort(int value);
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int sort() const;
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// 通过 AbstractImpl 继承
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virtual QString signature() const override;
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private:
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QString name_store;
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int sort_index;
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};
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/**
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* @brief 排序声明
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*/
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class LIBSYNTAX_EXPORT RankDeclare : public AbstractImpl<NovelNode::RankDeclaration, false> {
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private:
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int page_rank = 0;
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public:
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RankDeclare(std::shared_ptr<const lib_syntax::ExprRule> rule);
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int rankNumber() const;
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void setRank(int nums);
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// 通过 AbstractImpl 继承
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QString signature() const override;
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};
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/**
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* @brief 文档定义
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*/
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class LIBSYNTAX_EXPORT Document : public AbstractImpl<NovelNode::Document, false> {
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public:
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Document(std::shared_ptr<const lib_syntax::ExprRule> rule_bind);
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// 通过 AbstractImpl 继承
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virtual QString signature() const override;
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};
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/**
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* @brief 全局根元素
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*/
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class LIBSYNTAX_EXPORT NGlobalElement : public ast_basic::ExprProgram, public ast_gen::SyntaxElement {
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public:
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NGlobalElement(const QString &root);
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// 通过 SyntaxElement 继承
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std::shared_ptr<const ast_basic::IExprInstance> bindExpression() const override;
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int typeMark() const override;
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bool isAnonymous() const override;
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QString path() const override;
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QString signature() const override;
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std::weak_ptr<const SyntaxElement> parent() const override;
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void setParent(std::shared_ptr<const SyntaxElement> inst) override;
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QList<std::shared_ptr<const ast_gen::TokenAccess>> selfTokens() const override;
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};
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}
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