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/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
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** Alternatively, this file may be used under the terms of the GNU Lesser
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****************************************************************************/
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#ifndef SEARCHSYMBOLS_H
#define SEARCHSYMBOLS_H

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#include "cpptools_global.h"
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#include "cppindexingsupport.h"
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#include "indexitem.h"
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#include "stringtable.h"
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#include <cplusplus/CppDocument.h>
#include <cplusplus/Icons.h>
#include <cplusplus/Overview.h>

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#include <QString>
#include <QSet>
#include <QHash>
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namespace CppTools {

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class SearchSymbols: protected CPlusPlus::SymbolVisitor
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{
public:
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    typedef SymbolSearcher::SymbolTypes SymbolTypes;
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    static SymbolTypes AllTypes;

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    SearchSymbols(Internal::StringTable &stringTable);
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    void setSymbolsToSearchFor(const SymbolTypes &types);
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    IndexItem::Ptr operator()(CPlusPlus::Document::Ptr doc)
    { return operator()(doc, QString()); }
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    IndexItem::Ptr operator()(CPlusPlus::Document::Ptr doc, const QString &scope);
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protected:
    using SymbolVisitor::visit;

    void accept(CPlusPlus::Symbol *symbol)
    { CPlusPlus::Symbol::visitSymbol(symbol, this); }

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    virtual bool visit(CPlusPlus::UsingNamespaceDirective *);
    virtual bool visit(CPlusPlus::UsingDeclaration *);
    virtual bool visit(CPlusPlus::NamespaceAlias *);
    virtual bool visit(CPlusPlus::Declaration *);
    virtual bool visit(CPlusPlus::Argument *);
    virtual bool visit(CPlusPlus::TypenameArgument *);
    virtual bool visit(CPlusPlus::BaseClass *);
    virtual bool visit(CPlusPlus::Enum *);
    virtual bool visit(CPlusPlus::Function *);
    virtual bool visit(CPlusPlus::Namespace *);
    virtual bool visit(CPlusPlus::Template *);
    virtual bool visit(CPlusPlus::Class *);
    virtual bool visit(CPlusPlus::Block *);
    virtual bool visit(CPlusPlus::ForwardClassDeclaration *);

    // Objective-C
    virtual bool visit(CPlusPlus::ObjCBaseClass *);
    virtual bool visit(CPlusPlus::ObjCBaseProtocol *);
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    virtual bool visit(CPlusPlus::ObjCClass *symbol);
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    virtual bool visit(CPlusPlus::ObjCForwardClassDeclaration *);
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    virtual bool visit(CPlusPlus::ObjCProtocol *symbol);
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    virtual bool visit(CPlusPlus::ObjCForwardProtocolDeclaration *);
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    virtual bool visit(CPlusPlus::ObjCMethod *symbol);
    virtual bool visit(CPlusPlus::ObjCPropertyDeclaration *symbol);
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    QString scopedSymbolName(const QString &symbolName, const CPlusPlus::Symbol *symbol) const;
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    QString scopedSymbolName(const CPlusPlus::Symbol *symbol) const;
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    QString scopeName(const QString &name, const CPlusPlus::Symbol *symbol) const;
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    IndexItem::Ptr addChildItem(const QString &symbolName, const QString &symbolType,
                                const QString &symbolScope, IndexItem::ItemType type,
                                CPlusPlus::Symbol *symbol);
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private:
    template<class T> void processClass(T *clazz);
    template<class T> void processFunction(T *func);

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private:
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    QString findOrInsert(const QString &s)
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    { return strings.insert(s); }
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    Internal::StringTable &strings;            // Used to avoid QString duplication
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    IndexItem::Ptr _parent;
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    QString _scope;
    CPlusPlus::Overview overview;
    CPlusPlus::Icons icons;
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    SymbolTypes symbolsToSearchFor;
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    QHash<const CPlusPlus::StringLiteral *, QString> m_paths;
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};

} // namespace CppTools

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Q_DECLARE_OPERATORS_FOR_FLAGS(CppTools::SearchSymbols::SymbolTypes)
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#endif // SEARCHSYMBOLS_H