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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "documentquickfixfactory.h"
#include "clangfixitsrefactoringchanges.h"
#include "clangtoolsdiagnostic.h"
#include "documentclangtoolrunner.h"
#include <texteditor/refactoringchanges.h>
#include <utils/qtcassert.h>
#include <utils/textutils.h>
namespace ClangTools {
namespace Internal {
class ClangToolQuickFixOperation : public TextEditor::QuickFixOperation
{
public:
explicit ClangToolQuickFixOperation(const Diagnostic &diagnostic)
: m_diagnostic(diagnostic)
{}
QString description() const override { return m_diagnostic.description; }
void perform() override;
private:
const Diagnostic m_diagnostic;
};
using Range = TextEditor::RefactoringFile::Range;
using DiagnosticRange = QPair<Debugger::DiagnosticLocation, Debugger::DiagnosticLocation>;
static Range toRange(const QTextDocument *doc, DiagnosticRange locations)
{
Range range;
range.start = Utils::Text::positionInText(doc, locations.first.line, locations.first.column);
range.end = Utils::Text::positionInText(doc, locations.second.line, locations.second.column);
return range;
}
void ClangToolQuickFixOperation::perform()
{
TextEditor::PlainRefactoringFileFactory changes;
QMap<QString, TextEditor::RefactoringFilePtr> refactoringFiles;
for (const ExplainingStep &step : m_diagnostic.explainingSteps) {
if (!step.isFixIt)
continue;
TextEditor::RefactoringFilePtr &refactoringFile
= refactoringFiles[step.location.filePath.toString()];
if (refactoringFile.isNull())
refactoringFile = changes.file(step.location.filePath);
Utils::ChangeSet changeSet = refactoringFile->changeSet();
Range range = toRange(refactoringFile->document(), {step.ranges.first(), step.ranges.last()});
changeSet.replace(range, step.message);
refactoringFile->setChangeSet(changeSet);
}
for (const TextEditor::RefactoringFilePtr &refactoringFile : std::as_const(refactoringFiles))
refactoringFile->apply();
}
DocumentQuickFixFactory::DocumentQuickFixFactory(DocumentQuickFixFactory::RunnerCollector runnerCollector)
: m_runnerCollector(runnerCollector)
{}
void DocumentQuickFixFactory::doMatch(const CppEditor::Internal::CppQuickFixInterface &interface,
QuickFixOperations &result)
{
QTC_ASSERT(m_runnerCollector, return );
if (DocumentClangToolRunner *runner = m_runnerCollector(interface.filePath())) {
const QTextBlock &block = interface.textDocument()->findBlock(interface.position());
if (!block.isValid())
return;
const int lineNumber = block.blockNumber() + 1;
for (Diagnostic diagnostic : runner->diagnosticsAtLine(lineNumber)) {
if (diagnostic.hasFixits)
result << new ClangToolQuickFixOperation(diagnostic);
}
}
}
} // namespace Internal
} // namespace ClangTools
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