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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef FINDUNQUALIFIED_H
#define FINDUNQUALIFIED_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#include "typedescriptionreader.h"
#include "scopetree.h"
#include "qcoloroutput.h"
#include <QtQml/private/qqmldirparser_p.h>
#include <QtQml/private/qqmljsastvisitor_p.h>
#include <QtQml/private/qqmljsast_p.h>
#include <QtCore/qscopedpointer.h>
class FindWarningVisitor : public QQmlJS::AST::Visitor
{
Q_DISABLE_COPY_MOVE(FindWarningVisitor)
public:
struct ImportedTypes
{
// C++ names used in qmltypes files for non-composite types
QHash<QString, ScopeTree::Ptr> cppNames;
// Names a component intends to export, without prefix
QHash<QString, ScopeTree::Ptr> exportedQmlNames;
// Names the importing component sees, possibly adding a prefix
QHash<QString, ScopeTree::Ptr> importedQmlNames;
};
explicit FindWarningVisitor(
QStringList qmltypeDirs, QStringList qmltypesFiles, QString code, QString fileName,
bool silent, bool warnUnqualified, bool warnWithStatement, bool warnInheritanceCycle);
~FindWarningVisitor() override = default;
bool check();
private:
class Importer
{
public:
Importer(const QString ¤tDir, const QStringList &importPaths) :
m_currentDir(currentDir), m_importPaths(importPaths) {}
ImportedTypes importBareQmlTypes(const QStringList &qmltypesFiles);
ImportedTypes importFileOrDirectory(
const QString &fileOrDirectory, const QString &prefix = QString());
ImportedTypes importModule(
const QString &module, const QString &prefix = QString(),
QTypeRevision version = QTypeRevision());
QStringList takeWarnings()
{
QStringList result = std::move(m_warnings);
m_warnings.clear();
return result;
}
private:
struct Import {
QHash<QString, ScopeTree::Ptr> objects;
QHash<QString, ScopeTree::Ptr> scripts;
QList<QQmlDirParser::Import> imports;
QList<QQmlDirParser::Import> dependencies;
};
void importHelper(const QString &module, const QString &prefix = QString(),
QTypeRevision version = QTypeRevision());
void processImport(const QString &prefix, const Import &import, QTypeRevision version);
void readQmltypes(const QString &filename, QHash<QString, ScopeTree::Ptr> *objects);
Import readQmldir(const QString &dirname);
ScopeTree::Ptr localFile2ScopeTree(const QString &filePath);
QString m_currentDir;
QStringList m_importPaths;
QSet<QPair<QString, QString>> m_seenImports;
QStringList m_warnings;
ImportedTypes m_exportedName2Scope;
};
ImportedTypes m_rootScopeImports;
ScopeTree::Ptr m_rootScope;
ScopeTree::Ptr m_currentScope;
QQmlJS::AST::ExpressionNode *m_fieldMemberBase = nullptr;
QStringList m_qmltypesFiles;
QString m_code;
QHash<QString, ScopeTree::ConstPtr> m_qmlid2scope;
QString m_rootId;
QString m_filePath;
QSet<QString> m_unknownImports;
ColorOutput m_colorOut;
bool m_visitFailed = false;
bool m_warnUnqualified;
bool m_warnWithStatement;
bool m_warnInheritanceCycle;
struct OutstandingConnection
{
QString targetName;
ScopeTree::Ptr scope;
QQmlJS::AST::UiObjectDefinition *uiod;
};
QVarLengthArray<OutstandingConnection, 3> m_outstandingConnections; // Connections whose target we have not encountered
Importer m_importer;
void enterEnvironment(ScopeType type, const QString &name);
void leaveEnvironment();
void importExportedNames(QStringView prefix, QString name);
void parseHeaders(QQmlJS::AST::UiHeaderItemList *headers);
ScopeTree::Ptr parseProgram(QQmlJS::AST::Program *program, const QString &name);
void throwRecursionDepthError() override;
// start block/scope handling
bool visit(QQmlJS::AST::UiProgram *ast) override;
void endVisit(QQmlJS::AST::UiProgram *ast) override;
bool visit(QQmlJS::AST::ClassExpression *ast) override;
void endVisit(QQmlJS::AST::ClassExpression *ast) override;
bool visit(QQmlJS::AST::ClassDeclaration *ast) override;
void endVisit(QQmlJS::AST::ClassDeclaration *ast) override;
bool visit(QQmlJS::AST::ForStatement *ast) override;
void endVisit(QQmlJS::AST::ForStatement *ast) override;
bool visit(QQmlJS::AST::ForEachStatement *ast) override;
void endVisit(QQmlJS::AST::ForEachStatement *ast) override;
bool visit(QQmlJS::AST::Block *ast) override;
void endVisit(QQmlJS::AST::Block *ast) override;
bool visit(QQmlJS::AST::CaseBlock *ast) override;
void endVisit(QQmlJS::AST::CaseBlock *ast) override;
bool visit(QQmlJS::AST::Catch *ast) override;
void endVisit(QQmlJS::AST::Catch *ast) override;
bool visit(QQmlJS::AST::WithStatement *withStatement) override;
void endVisit(QQmlJS::AST::WithStatement *ast) override;
void visitFunctionExpressionHelper(QQmlJS::AST::FunctionExpression *fexpr);
bool visit(QQmlJS::AST::FunctionExpression *fexpr) override;
void endVisit(QQmlJS::AST::FunctionExpression *fexpr) override;
bool visit(QQmlJS::AST::FunctionDeclaration *fdecl) override;
void endVisit(QQmlJS::AST::FunctionDeclaration *fdecl) override;
/* --- end block handling --- */
bool visit(QQmlJS::AST::VariableDeclarationList *vdl) override;
bool visit(QQmlJS::AST::FormalParameterList *fpl) override;
bool visit(QQmlJS::AST::UiImport *import) override;
bool visit(QQmlJS::AST::UiEnumDeclaration *uied) override;
bool visit(QQmlJS::AST::UiObjectBinding *uiob) override;
void endVisit(QQmlJS::AST::UiObjectBinding *uiob) override;
bool visit(QQmlJS::AST::UiObjectDefinition *uiod) override;
void endVisit(QQmlJS::AST::UiObjectDefinition *) override;
bool visit(QQmlJS::AST::UiScriptBinding *uisb) override;
bool visit(QQmlJS::AST::UiPublicMember *uipm) override;
// expression handling
bool visit(QQmlJS::AST::IdentifierExpression *idexp) override;
bool visit(QQmlJS::AST::PatternElement *) override;
bool visit(QQmlJS::AST::FieldMemberExpression *idprop) override;
void endVisit(QQmlJS::AST::FieldMemberExpression *) override;
bool visit(QQmlJS::AST::BinaryExpression *) override;
void endVisit(QQmlJS::AST::BinaryExpression *) override;
};
#endif // FINDUNQUALIFIED_H
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