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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "codemodelhelpers.h"
#include "designertr.h"
#include <cppeditor/cppmodelmanager.h>
#include <projectexplorer/buildsystem.h>
#include <projectexplorer/project.h>
#include <projectexplorer/projectexplorer.h>
#include <projectexplorer/projectmanager.h>
#include <projectexplorer/target.h>
#include <QCoreApplication>
#include <QDebug>
// Debug helpers for code model. @todo: Move to some CppEditor library?
using namespace ProjectExplorer;
using namespace Utils;
using DependencyMap = QMap<QString, QStringList>;
using DocumentPtr = CPlusPlus::Document::Ptr;
using SymbolList = QList<CPlusPlus::Symbol *>;
using DocumentPtrList = QList<DocumentPtr>;
static const char setupUiC[] = "setupUi";
// Find the generated "ui_form.h" header of the form via project.
static FilePath generatedHeaderOf(const FilePath &uiFileName)
{
if (const Project *uiProject = ProjectManager::projectForFile(uiFileName)) {
if (Target *t = uiProject->activeTarget()) {
if (BuildSystem *bs = t->buildSystem()) {
FilePaths files = bs->filesGeneratedFrom(uiFileName);
if (!files.isEmpty()) // There should be at most one header generated from a .ui
return files.front();
}
}
}
return {};
}
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);
bool visit(CPlusPlus::Function * f) override;
private:
const uint m_length;
const char *m_name;
FunctionList m_matches;
};
SearchFunction::SearchFunction(const char *name) :
m_length(uint(qstrlen(name))),
m_name(name)
{
}
SearchFunction::FunctionList SearchFunction::operator()(const DocumentPtr &doc)
{
m_matches.clear();
const int globalSymbolCount = doc->globalSymbolCount();
for (int 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 (static_cast<uint>(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 FilePath generatedHeaderFile = generatedHeaderOf(FilePath::fromString(uiFileName));
if (generatedHeaderFile.isEmpty()) {
*errorMessage = Tr::tr("The generated header of the form \"%1\" could not be found.\nRebuilding the project might help.").arg(uiFileName);
return false;
}
const CPlusPlus::Snapshot snapshot = CppEditor::CppModelManager::snapshot();
const DocumentPtr generatedHeaderDoc = snapshot.document(generatedHeaderFile);
if (!generatedHeaderDoc) {
*errorMessage = Tr::tr("The generated header \"%1\" could not be found in the code model.\nRebuilding the project might help.").arg(generatedHeaderFile.toUserOutput());
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.toUserOutput());
return false;
}
return true;
}
} // namespace Internal
} // namespace Designer
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