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#ifndef CHECKUNDEFINEDSYMBOLS_H

#define CHECKUNDEFINEDSYMBOLS_H

#include "CppDocument.h"

#include "CppBindings.h"

#include <ASTVisitor.h>

#include <QtCore/QSet>

#include <QtCore/QByteArray>

namespace CPlusPlus {

class CPLUSPLUS_EXPORT CheckUndefinedSymbols: protected ASTVisitor

{

public:

    CheckUndefinedSymbols(Document::Ptr doc);

    virtual ~CheckUndefinedSymbols();

    void setGlobalNamespaceBinding(NamespaceBindingPtr globalNamespaceBinding);

    void operator()(AST *ast);

protected:

    using ASTVisitor::visit;

    bool isType(const Identifier *id) const;

    bool isType(const QByteArray &name) const;

    void addType(const Name *name);

    void buildTypeMap(Class *klass);

    void buildMemberTypeMap(Symbol *member);

    void buildTypeMap(NamespaceBinding *binding, QSet<NamespaceBinding *> *processed);

    void addProtocol(const Name *name);

    bool isProtocol(const QByteArray &name) const;

    FunctionDeclaratorAST *currentFunctionDeclarator() const;

    CompoundStatementAST *compoundStatement() const;

    bool qobjectCheck() const;

    QByteArray templateParameterName(NameAST *ast) const;

    QByteArray templateParameterName(DeclarationAST *ast) const;

    virtual bool visit(FunctionDeclaratorAST *ast);

    virtual void endVisit(FunctionDeclaratorAST *ast);

    virtual bool visit(TypeofSpecifierAST *ast);

    virtual bool visit(NamedTypeSpecifierAST *ast);

    virtual bool visit(TemplateDeclarationAST *ast);

    virtual void endVisit(TemplateDeclarationAST *);

    virtual bool visit(ClassSpecifierAST *ast);

    virtual void endVisit(ClassSpecifierAST *);

    virtual bool visit(FunctionDefinitionAST *ast);

    virtual void endVisit(FunctionDefinitionAST *ast);

    virtual bool visit(CompoundStatementAST *ast);

    virtual void endVisit(CompoundStatementAST *ast);

    virtual bool visit(SimpleDeclarationAST *ast);

    virtual bool visit(BaseSpecifierAST *base);

    virtual bool visit(UsingDirectiveAST *ast);

    virtual bool visit(QualifiedNameAST *ast);

    virtual bool visit(CastExpressionAST *ast);

    virtual bool visit(SizeofExpressionAST *ast);

    virtual bool visit(ObjCClassDeclarationAST *ast);

    virtual bool visit(ObjCProtocolRefsAST *ast);

    virtual bool visit(ObjCPropertyDeclarationAST *ast);

private:

    Document::Ptr _doc;

    NamespaceBindingPtr _globalNamespaceBinding;

    QList<bool> _qobjectStack;

    QList<FunctionDeclaratorAST *> _functionDeclaratorStack;

    QList<TemplateDeclarationAST *> _templateDeclarationStack;

    QList<CompoundStatementAST *> _compoundStatementStack;

    QSet<QByteArray> _types;

    QSet<QByteArray> _protocols;

    QSet<QByteArray> _namespaceNames;

};

} // end of namespace CPlusPlus

#endif // CHECKUNDEFINEDSYMBOLS_H