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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at info@qt.nokia.com.
**
**************************************************************************/
#ifndef QMLJSCHECK_H
#define QMLJSCHECK_H
#include <qmljs/qmljsdocument.h>
#include <qmljs/qmljscontext.h>
#include <qmljs/qmljsscopebuilder.h>
#include <qmljs/qmljsscopechain.h>
#include <qmljs/parser/qmljsastvisitor_p.h>
#include <QtCore/QCoreApplication>
#include <QtCore/QSet>
#include <QtCore/QStack>
#include <QtGui/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 Interpreter::Context *context);
virtual ~Check();
QList<DiagnosticMessage> operator()();
enum Option {
WarnDangerousNonStrictEqualityChecks = 1 << 0,
WarnAllNonStrictEqualityChecks = 1 << 1,
WarnBlocks = 1 << 2,
WarnWith = 1 << 3,
WarnVoid = 1 << 4,
WarnCommaExpression = 1 << 5,
WarnExpressionStatement = 1 << 6,
WarnAssignInCondition = 1 << 7,
WarnUseBeforeDeclaration = 1 << 8,
WarnDuplicateDeclaration = 1 << 9,
WarnDeclarationsNotStartOfFunction = 1 << 10,
WarnCaseWithoutFlowControlEnd = 1 << 11,
ErrCheckTypeErrors = 1 << 12
};
Q_DECLARE_FLAGS(Options, Option)
const Options options() const
{ return _options; }
void setOptions(Options options)
{ _options = options; }
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::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::CaseClause *ast);
virtual bool visit(AST::DefaultClause *ast);
virtual void endVisit(QmlJS::AST::UiObjectInitializer *);
private:
void visitQmlObject(AST::Node *ast, AST::UiQualifiedId *typeId,
AST::UiObjectInitializer *initializer);
const Interpreter::Value *checkScopeObjectMember(const AST::UiQualifiedId *id);
void checkAssignInCondition(AST::ExpressionNode *condition);
void checkEndsWithControlFlow(AST::StatementList *statements, AST::SourceLocation errorLoc);
void checkProperty(QmlJS::AST::UiQualifiedId *);
void warning(const AST::SourceLocation &loc, const QString &message);
void error(const AST::SourceLocation &loc, const QString &message);
AST::Node *parent(int distance = 0);
Document::Ptr _doc;
Interpreter::Context _context;
Interpreter::ScopeChain _scopeChain;
ScopeBuilder _scopeBuilder;
QList<DiagnosticMessage> _messages;
Options _options;
const Interpreter::Value *_lastValue;
QList<AST::Node *> _chain;
QStack<StringSet> m_idStack;
QStack<StringSet> m_propertyStack;
};
QMLJS_EXPORT QColor toQColor(const QString &qmlColorString);
QMLJS_EXPORT AST::SourceLocation locationFromRange(const AST::SourceLocation &start,
const AST::SourceLocation &end);
QMLJS_EXPORT AST::SourceLocation fullLocationForQualifiedId(AST::UiQualifiedId *);
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
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