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/****************************************************************************
**
** Copyright (C) 2014 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.
**
****************************************************************************/
#include "codemodelhelpers.h"
#include <cpptools/cppmodelmanagerinterface.h>
#include <projectexplorer/projectexplorer.h>
#include <projectexplorer/project.h>
#include <projectexplorer/session.h>
#include <QCoreApplication>
#include <QDebug>
// Debug helpers for code model. @todo: Move to some CppTools library?
typedef QMap<QString, QStringList> DependencyMap;
typedef CPlusPlus::Document::Ptr DocumentPtr;
typedef QList<CPlusPlus::Symbol *> SymbolList;
typedef QList<DocumentPtr> DocumentPtrList;
static const char setupUiC[] = "setupUi";
// Find the generated "ui_form.h" header of the form via project.
static QString generatedHeaderOf(const QString &uiFileName)
{
if (const ProjectExplorer::Project *uiProject = ProjectExplorer::SessionManager::projectForFile(uiFileName))
return uiProject->generatedUiHeader(uiFileName);
return QString();
}
namespace {
// Find function symbols in a document by name.
class SearchFunction : public CPlusPlus::SymbolVisitor {
public:
typedef QList<CPlusPlus::Function *> FunctionList;
explicit SearchFunction(const char *name);
FunctionList operator()(const DocumentPtr &doc);
virtual bool visit(CPlusPlus::Function * f);
private:
const size_t m_length;
const char *m_name;
FunctionList m_matches;
};
SearchFunction::SearchFunction(const char *name) :
m_length(qstrlen(name)),
m_name(name)
{
}
SearchFunction::FunctionList SearchFunction::operator()(const DocumentPtr &doc)
{
m_matches.clear();
const unsigned globalSymbolCount = doc->globalSymbolCount();
for (unsigned i = 0; i < globalSymbolCount; ++i)
accept(doc->globalSymbolAt(i));
return m_matches;
}
bool SearchFunction::visit(CPlusPlus::Function * f)
{
if (const CPlusPlus::Name *name = f->name())
if (const CPlusPlus::Identifier *id = name->identifier())
if (id->size() == m_length)
if (!qstrncmp(m_name, id->chars(), m_length))
m_matches.push_back(f);
return true;
}
} // anonymous namespace
namespace Designer {
namespace Internal {
// Goto slot invoked by the designer context menu. Either navigates
// to an existing slot function or create a new one.
bool navigateToSlot(const QString &uiFileName,
const QString & /* objectName */,
const QString & /* signalSignature */,
const QStringList & /* parameterNames */,
QString *errorMessage)
{
// Find the generated header.
const QString generatedHeaderFile = generatedHeaderOf(uiFileName);
if (generatedHeaderFile.isEmpty()) {
*errorMessage = QCoreApplication::translate("Designer", "The generated header of the form \"%1\" could not be found.\nRebuilding the project might help.").arg(uiFileName);
return false;
}
const CPlusPlus::Snapshot snapshot = CppTools::CppModelManagerInterface::instance()->snapshot();
const DocumentPtr generatedHeaderDoc = snapshot.document(generatedHeaderFile);
if (!generatedHeaderDoc) {
*errorMessage = QCoreApplication::translate("Designer", "The generated header \"%1\" could not be found in the code model.\nRebuilding the project might help.").arg(generatedHeaderFile);
return false;
}
// Look for setupUi
SearchFunction searchFunc(setupUiC);
const SearchFunction::FunctionList funcs = searchFunc(generatedHeaderDoc);
if (funcs.size() != 1) {
*errorMessage = QString::fromLatin1("Internal error: The function \"%1\" could not be found in %2").arg(QLatin1String(setupUiC), generatedHeaderFile);
return false;
}
return true;
}
} // namespace Internal
} // namespace Designer
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