forked from qt-creator/qt-creator
67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
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// Copyright (C) 2023 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include "clangutils.h"
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#include "filepath.h"
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#include "qtcprocess.h"
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#include "utilstr.h"
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#include <QVersionNumber>
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namespace Utils {
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static QVersionNumber getClangdVersion(const FilePath &clangdFilePath)
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{
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QtcProcess clangdProc;
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clangdProc.setCommand({clangdFilePath, {"--version"}});
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clangdProc.runBlocking();
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if (clangdProc.result() != ProcessResult::FinishedWithSuccess)
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return {};
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const QString output = clangdProc.allOutput();
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static const QString versionPrefix = "clangd version ";
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const int prefixOffset = output.indexOf(versionPrefix);
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if (prefixOffset == -1)
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return {};
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return QVersionNumber::fromString(output.mid(prefixOffset + versionPrefix.length()));
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}
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QVersionNumber clangdVersion(const FilePath &clangd)
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{
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static QHash<FilePath, QPair<QDateTime, QVersionNumber>> versionCache;
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const QDateTime timeStamp = clangd.lastModified();
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const auto it = versionCache.find(clangd);
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if (it == versionCache.end()) {
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const QVersionNumber version = getClangdVersion(clangd);
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versionCache.insert(clangd, {timeStamp, version});
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return version;
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}
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if (it->first != timeStamp) {
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it->first = timeStamp;
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it->second = getClangdVersion(clangd);
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}
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return it->second;
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}
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bool checkClangdVersion(const FilePath &clangd, QString *error)
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{
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const QVersionNumber version = clangdVersion(clangd);
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if (version >= minimumClangdVersion())
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return true;
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if (error) {
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*error = version.isNull()
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? Tr::tr("Failed to retrieve clangd version: Unexpected clangd output.")
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: Tr::tr("The clangd version is %1, but %2 or greater is required.")
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.arg(version.toString())
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.arg(minimumClangdVersion().majorVersion());
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}
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return false;
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}
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QVersionNumber minimumClangdVersion()
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{
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return QVersionNumber(14);
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}
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} // namespace Utils
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