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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef QMLJSCHECK_H
#define QMLJSCHECK_H
#include <qmljs/qmljsdocument.h>
#include <qmljs/qmljscontext.h>
#include <qmljs/qmljsscopebuilder.h>
#include <qmljs/qmljsscopechain.h>
#include <qmljs/qmljsstaticanalysismessage.h>
#include <qmljs/parser/qmljsastvisitor_p.h>
#include <QCoreApplication>
#include <QSet>
#include <QStack>
#include <QColor>
namespace QmlJS {
class QMLJS_EXPORT Check: protected AST::Visitor
{
Q_DECLARE_TR_FUNCTIONS(QmlJS::Check)
typedef QSet<QString> StringSet;
public:
// prefer taking root scope chain?
Check(Document::Ptr doc, const ContextPtr &context);
virtual ~Check();
QList<StaticAnalysis::Message> operator()();
void enableMessage(StaticAnalysis::Type type);
void disableMessage(StaticAnalysis::Type type);
protected:
virtual bool preVisit(AST::Node *ast);
virtual void postVisit(AST::Node *ast);
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::UiPublicMember *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);
virtual bool visit(AST::UiObjectInitializer *);
virtual bool visit(AST::BinaryExpression *ast);
virtual bool visit(AST::Block *ast);
virtual bool visit(AST::WithStatement *ast);
virtual bool visit(AST::VoidExpression *ast);
virtual bool visit(AST::Expression *ast);
virtual bool visit(AST::ExpressionStatement *ast);
virtual bool visit(AST::IfStatement *ast);
virtual bool visit(AST::ForStatement *ast);
virtual bool visit(AST::LocalForStatement *ast);
virtual bool visit(AST::WhileStatement *ast);
virtual bool visit(AST::DoWhileStatement *ast);
virtual bool visit(AST::CaseBlock *ast);
virtual bool visit(AST::NewExpression *ast);
virtual bool visit(AST::NewMemberExpression *ast);
virtual bool visit(AST::CallExpression *ast);
virtual bool visit(AST::StatementList *ast);
virtual bool visit(AST::ReturnStatement *ast);
virtual bool visit(AST::ThrowStatement *ast);
virtual bool visit(AST::DeleteExpression *ast);
virtual bool visit(AST::TypeOfExpression *ast);
virtual void endVisit(QmlJS::AST::UiObjectInitializer *);
private:
void visitQmlObject(AST::Node *ast, AST::UiQualifiedId *typeId,
AST::UiObjectInitializer *initializer);
const Value *checkScopeObjectMember(const AST::UiQualifiedId *id);
void checkAssignInCondition(AST::ExpressionNode *condition);
void checkCaseFallthrough(AST::StatementList *statements, AST::SourceLocation errorLoc, AST::SourceLocation nextLoc);
void checkProperty(QmlJS::AST::UiQualifiedId *);
void checkNewExpression(AST::ExpressionNode *node);
void checkBindingRhs(AST::Statement *statement);
void checkExtraParentheses(AST::ExpressionNode *expression);
void addMessages(const QList<StaticAnalysis::Message> &messages);
void addMessage(const StaticAnalysis::Message &message);
void addMessage(StaticAnalysis::Type type, const AST::SourceLocation &location,
const QString &arg1 = QString(), const QString &arg2 = QString());
void scanCommentsForAnnotations();
void warnAboutUnnecessarySuppressions();
AST::Node *parent(int distance = 0);
Document::Ptr _doc;
ContextPtr _context;
ScopeChain _scopeChain;
ScopeBuilder _scopeBuilder;
QList<StaticAnalysis::Message> _messages;
QSet<StaticAnalysis::Type> _enabledMessages;
QList<AST::Node *> _chain;
QStack<StringSet> m_idStack;
QStack<StringSet> m_propertyStack;
class MessageTypeAndSuppression
{
public:
AST::SourceLocation suppressionSource;
StaticAnalysis::Type type;
bool wasSuppressed;
};
QHash< int, QList<MessageTypeAndSuppression> > m_disabledMessageTypesByLine;
bool _importsOk;
bool _inStatementBinding;
};
} // namespace QmlJS
#endif // QMLJSCHECK_H
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