qt-creator/src/libs/qmljs/qmljscheck.h

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#ifndef QMLJSCHECK_H
#define QMLJSCHECK_H

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

#include <QtCore/QCoreApplication>
#include <QtGui/QColor>

namespace QmlJS {

class QMLJS_EXPORT Check: protected AST::Visitor
{
    Q_DECLARE_TR_FUNCTIONS(QmlJS::Check)

public:
    Check(Document::Ptr doc, const Snapshot &snapshot, const Interpreter::Context *linkedContextNoScope);
    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);
    virtual bool visit(AST::IdentifierExpression *ast);
    virtual bool visit(AST::FieldMemberExpression *ast);
    virtual bool visit(AST::FunctionDeclaration *ast);
    virtual bool visit(AST::FunctionExpression *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);

    Document::Ptr _doc;
    Snapshot _snapshot;

    Interpreter::Context _context;
    ScopeBuilder _scopeBuilder;

    QList<DiagnosticMessage> _messages;

    bool _ignoreTypeErrors;

    const Interpreter::Value *_lastValue;
};

QMLJS_EXPORT QColor toQColor(const QString &qmlColorString);

QMLJS_EXPORT AST::SourceLocation locationFromRange(const AST::SourceLocation &start,
                                                   const AST::SourceLocation &end);
QMLJS_EXPORT DiagnosticMessage errorMessage(const AST::SourceLocation &loc,
                                            const QString &message);

template <class T>
DiagnosticMessage errorMessage(const T *node, const QString &message)
{
    return DiagnosticMessage(DiagnosticMessage::Error,
                             locationFromRange(node->firstSourceLocation(),
                                               node->lastSourceLocation()),
                             message);
}

} // namespace QmlJS

#endif // QMLJSCHECK_H