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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "clangtoolscompilationdb.h"
#include "clangtoolsprojectsettings.h"
#include "clangtoolstr.h"
#include "clangtoolsutils.h"
#include "executableinfo.h"
#include <coreplugin/icore.h>
#include <coreplugin/messagemanager.h>
#include <cppeditor/clangdiagnosticconfigsmodel.h>
#include <cppeditor/compilationdb.h>
#include <cppeditor/cppmodelmanager.h>
#include <utils/async.h>
#include <utils/futuresynchronizer.h>
#include <utils/temporarydirectory.h>
#include <QFutureWatcher>
#include <memory>
using namespace CppEditor;
using namespace Utils;
namespace ClangTools::Internal {
class ClangToolsCompilationDb::Private
{
public:
Private(ClangToolType toolType, ClangToolsCompilationDb *q) : q(q), toolType(toolType) {}
void generate();
QString toolName() const { return clangToolName(toolType); }
static inline std::unique_ptr<ClangToolsCompilationDb> clangTidyDb;
static inline std::unique_ptr<ClangToolsCompilationDb> clazyDb;
ClangToolsCompilationDb * const q;
const ClangToolType toolType;
TemporaryDirectory dir{toolName()};
QFutureWatcher<GenerateCompilationDbResult> generatorWatcher;
FutureSynchronizer generatorSynchronizer;
bool readyAndUpToDate = false;
};
ClangToolsCompilationDb::ClangToolsCompilationDb(ClangToolType toolType)
: d(new Private(toolType, this))
{
connect(&d->generatorWatcher, &QFutureWatcher<GenerateCompilationDbResult>::finished,
this, [this] {
const auto result = d->generatorWatcher.result();
const bool success = result.has_value();
QTC_CHECK(!d->readyAndUpToDate);
d->readyAndUpToDate = success;
if (success) {
Core::MessageManager::writeSilently(
Tr::tr("Compilation database for %1 successfully generated at %2.")
.arg(d->toolName(), d->dir.path().toUserOutput()));
} else {
Core::MessageManager::writeDisrupting(
Tr::tr("Generating compilation database for %1 failed: %2")
.arg(d->toolName(), result.error()));
}
emit generated(success);
});
connect(ClangToolsSettings::instance(), &BaseAspect::changed,
this, &ClangToolsCompilationDb::invalidate);
connect(CppModelManager::instance(), &CppModelManager::projectPartsUpdated,
this, &ClangToolsCompilationDb::invalidate);
}
ClangToolsCompilationDb::~ClangToolsCompilationDb() { delete d; }
void ClangToolsCompilationDb::invalidate() { d->readyAndUpToDate = false; }
FilePath ClangToolsCompilationDb::parentDir() const { return d->dir.path(); }
bool ClangToolsCompilationDb::generateIfNecessary()
{
if (d->readyAndUpToDate)
return false;
d->generate();
return true;
}
ClangToolsCompilationDb &ClangToolsCompilationDb::getDb(ClangToolType toolType)
{
if (toolType == ClangToolType::Tidy) {
if (!Private::clangTidyDb)
Private::clangTidyDb.reset(new ClangToolsCompilationDb(toolType));
return *Private::clangTidyDb;
}
if (!Private::clazyDb)
Private::clazyDb.reset(new ClangToolsCompilationDb(toolType));
return *Private::clazyDb;
}
void ClangToolsCompilationDb::Private::generate()
{
QTC_CHECK(!readyAndUpToDate);
if (generatorWatcher.isRunning())
generatorWatcher.cancel();
Core::MessageManager::writeSilently(
Tr::tr("Generating compilation database for %1 at %2 ...")
.arg(clangToolName(toolType), dir.path().toUserOutput()));
const auto getCompilerOptionsBuilder = [this](const ProjectPart &pp) {
const auto projectSettings = ClangToolsProjectSettings::getSettings(pp.project());
QTC_ASSERT(projectSettings, return CompilerOptionsBuilder(pp));
connect(projectSettings.get(), &ClangToolsProjectSettings::changed,
q, &ClangToolsCompilationDb::invalidate);
const Id configId = projectSettings->runSettings().diagnosticConfigId();
const ClangDiagnosticConfig config = Utils::findOrDefault(
ClangToolsSettings::instance()->diagnosticConfigs(),
[configId](const ClangDiagnosticConfig &c) { return c.id() == configId; });
const auto useBuildSystemWarnings = config.useBuildSystemWarnings()
? UseBuildSystemWarnings::Yes
: UseBuildSystemWarnings::No;
const FilePath executable = toolExecutable(toolType);
const auto [includeDir, clangVersion] = getClangIncludeDirAndVersion(executable);
const FilePath actualClangIncludeDir = Core::ICore::clangIncludeDirectory(
clangVersion, includeDir);
CompilerOptionsBuilder optionsBuilder(pp,
UseSystemHeader::No,
UseTweakedHeaderPaths::Tools,
UseLanguageDefines::No,
useBuildSystemWarnings,
actualClangIncludeDir);
optionsBuilder.build(ProjectFile::Unclassified, UsePrecompiledHeaders::No);
if (useBuildSystemWarnings == UseBuildSystemWarnings::No) {
for (const QString &opt : config.clangOptions())
optionsBuilder.add(opt, true);
}
const QStringList extraArgsToPrepend = extraClangToolsPrependOptions();
for (const QString &arg : extraArgsToPrepend)
optionsBuilder.prepend(arg);
const QStringList extraArgsToAppend = extraClangToolsAppendOptions();
for (const QString &arg : extraArgsToAppend)
optionsBuilder.add(arg);
return optionsBuilder;
};
generatorWatcher.setFuture(
Utils::asyncRun(
&generateCompilationDB,
CppModelManager::projectInfos(),
dir.path(),
CompilationDbPurpose::Analysis,
ClangDiagnosticConfigsModel::globalDiagnosticOptions(),
getCompilerOptionsBuilder));
generatorSynchronizer.addFuture(generatorWatcher.future());
}
} // namespace ClangTools::Internal
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