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#ifndef QMLJSCHECK_H
#define QMLJSCHECK_H

#include <qmljs/qmljsdocument.h>
#include <qmljs/qmljsinterpreter.h>
#include <qmljs/qmljslink.h>
#include <qmljs/qmljsscopebuilder.h>
#include <qmljs/parser/qmljsastvisitor_p.h>

namespace QmlJS {

class QMLJS_EXPORT Check: protected AST::Visitor
{
public:
    Check(Document::Ptr doc, const Snapshot &snapshot);
    virtual ~Check();

    QList<DiagnosticMessage> operator()();

protected:
    virtual bool visit(AST::UiProgram *ast);
    virtual bool visit(AST::UiObjectDefinition *ast);
    virtual bool visit(AST::UiObjectBinding *ast);
    virtual bool visit(AST::UiScriptBinding *ast);
    virtual bool visit(AST::UiArrayBinding *ast);

private:
    void visitQmlObject(AST::Node *ast, AST::UiQualifiedId *typeId,
                        AST::UiObjectInitializer *initializer);
    const Interpreter::Value *checkScopeObjectMember(const AST::UiQualifiedId *id);

    void warning(const AST::SourceLocation &loc, const QString &message);
    void error(const AST::SourceLocation &loc, const QString &message);
    static AST::SourceLocation locationFromRange(const AST::SourceLocation &start,
                                                 const AST::SourceLocation &end);

    Document::Ptr _doc;
    Snapshot _snapshot;

    Interpreter::Engine _engine;
    Interpreter::Context _context;
    Link _link;
    ScopeBuilder _scopeBuilder;

    QList<DiagnosticMessage> _messages;
};

} // namespace QmlJS

#endif // QMLJSCHECK_H
