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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 "clangtoolrunner.h"
#include "clangtoolscompilationdb.h"
#include "clangtoolslogfilereader.h"
#include "clangtoolstr.h"
#include "clangtoolsutils.h"
#include <coreplugin/icore.h>
#include <cppeditor/clangdiagnosticconfigsmodel.h>
#include <cppeditor/compileroptionsbuilder.h>
#include <cppeditor/cppcodemodelsettings.h>
#include <cppeditor/cppprojectfile.h>
#include <cppeditor/cpptoolsreuse.h>
#include <utils/async.h>
#include <utils/qtcprocess.h>
#include <utils/qtcassert.h>
#include <utils/temporaryfile.h>
#include <QDebug>
#include <QDir>
#include <QFileInfo>
#include <QLoggingCategory>
static Q_LOGGING_CATEGORY(LOG, "qtc.clangtools.runner", QtWarningMsg)
using namespace CppEditor;
using namespace Utils;
using namespace Tasking;
namespace ClangTools {
namespace Internal {
static QStringList checksArguments(const AnalyzeUnit &unit, const AnalyzeInputData &input)
{
if (input.tool == ClangToolType::Tidy) {
if (input.runSettings.hasConfigFileForSourceFile(unit.file))
return {"--warnings-as-errors=-*", "-checks=-clang-diagnostic-*"};
switch (input.config.clangTidyMode()) {
case ClangDiagnosticConfig::TidyMode::UseDefaultChecks:
// The argument "-config={}" stops stating/evaluating the .clang-tidy file.
return {"-config={}", "-checks=-clang-diagnostic-*"};
case ClangDiagnosticConfig::TidyMode::UseCustomChecks:
return {"-config=" + input.config.clangTidyChecksAsJson()};
}
}
const QString clazyChecks = input.config.checks(ClangToolType::Clazy);
if (!clazyChecks.isEmpty())
return {"-checks=" + input.config.checks(ClangToolType::Clazy)};
return {};
}
static FilePath createOutputFilePath(const FilePath &dirPath, const FilePath &fileToAnalyze)
{
const QString fileName = fileToAnalyze.fileName();
const FilePath fileTemplate = dirPath.pathAppended("report-" + fileName + "-XXXXXX");
TemporaryFile temporaryFile("clangtools");
temporaryFile.setAutoRemove(false);
temporaryFile.setFileTemplate(fileTemplate.path());
if (temporaryFile.open()) {
temporaryFile.close();
return FilePath::fromString(temporaryFile.fileName());
}
return {};
}
GroupItem clangToolTask(CppEditor::ClangToolType toolType,
const AnalyzeUnits &units,
const AnalyzeInputData &input,
const AnalyzeSetupHandler &setupHandler,
const AnalyzeOutputHandler &outputHandler)
{
struct ClangToolStorage {
QString name;
FilePath executable;
FilePath outputFilePath;
};
const Storage<ClangToolStorage> storage;
const LoopList iterator(units);
const auto mainToolArguments = [input, iterator, toolType](const ClangToolStorage &data) {
QStringList result;
result << "-p" << ClangToolsCompilationDb::getDb(toolType).parentDir().nativePath();
result << "-export-fixes=" + data.outputFilePath.nativePath();
if (!input.overlayFilePath.isEmpty() && isVFSOverlaySupported(data.executable))
result << "--vfsoverlay=" + input.overlayFilePath;
result << iterator->file.nativePath();
return result;
};
const auto onSetup = [storage, input, setupHandler, iterator] {
const AnalyzeUnit &unit = *iterator;
if (setupHandler && !setupHandler(unit))
return SetupResult::StopWithError;
ClangToolStorage *data = storage.activeStorage();
data->name = clangToolName(input.tool);
data->executable = toolExecutable(input.tool);
if (!data->executable.isExecutableFile()) {
qWarning() << "Can't start:" << data->executable << "as" << data->name;
return SetupResult::StopWithError;
}
QTC_ASSERT(unit.file.exists(), return SetupResult::StopWithError);
data->outputFilePath = createOutputFilePath(input.outputDirPath, unit.file);
QTC_ASSERT(!data->outputFilePath.isEmpty(), return SetupResult::StopWithError);
return SetupResult::Continue;
};
const auto onProcessSetup = [storage, input, mainToolArguments, iterator](Process &process) {
const AnalyzeUnit &unit = *iterator;
process.setEnvironment(input.environment);
process.setUseCtrlCStub(true);
process.setLowPriority();
process.setWorkingDirectory(input.outputDirPath); // Current clang-cl puts log file into working dir.
const ClangToolStorage &data = *storage;
const CommandLine commandLine{data.executable, {checksArguments(unit, input),
mainToolArguments(data)}};
qCDebug(LOG).noquote() << "Starting" << commandLine.toUserOutput();
process.setCommand(commandLine);
};
const auto onProcessDone = [storage, input, outputHandler, iterator](
const Process &process, DoneWith result) {
qCDebug(LOG).noquote() << "Output:\n" << process.cleanedStdOut();
if (!outputHandler)
return;
const AnalyzeUnit &unit = *iterator;
if (result == DoneWith::Success) {
const QString stdErr = process.cleanedStdErr();
if (stdErr.isEmpty())
return;
outputHandler({true, unit.file, {}, {}, input.tool,
Tr::tr("%1 produced stderr output:").arg(storage->name), stdErr});
return;
}
const QString details = Tr::tr("Command line: %1\nProcess Error: %2\nOutput:\n%3")
.arg(process.commandLine().toUserOutput())
.arg(process.error())
.arg(process.cleanedStdOut());
const ClangToolStorage &data = *storage;
QString message;
if (process.result() == ProcessResult::StartFailed)
message = Tr::tr("An error occurred with the %1 process.").arg(data.name);
else if (process.result() == ProcessResult::FinishedWithError)
message = Tr::tr("%1 finished with exit code: %2.").arg(data.name).arg(process.exitCode());
else
message = Tr::tr("%1 crashed.").arg(data.name);
outputHandler(
{false, unit.file, data.outputFilePath, {}, input.tool, message, details});
};
const auto onReadSetup = [storage, input](Async<expected_str<Diagnostics>> &data) {
data.setConcurrentCallData(&parseDiagnostics,
storage->outputFilePath,
input.diagnosticsFilter);
};
const auto onReadDone = [storage, input, outputHandler, iterator](
const Async<expected_str<Diagnostics>> &data, DoneWith result) {
if (!outputHandler)
return;
const expected_str<Diagnostics> diagnosticsResult = data.result();
const bool ok = result == DoneWith::Success && diagnosticsResult.has_value();
Diagnostics diagnostics;
QString error;
if (ok)
diagnostics = *diagnosticsResult;
else
error = diagnosticsResult.error();
outputHandler({ok,
iterator->file,
storage->outputFilePath,
diagnostics,
input.tool,
error});
};
return For (iterator) >> Do {
parallelLimit(qMax(1, input.runSettings.parallelJobs())),
finishAllAndSuccess,
Group {
storage,
onGroupSetup(onSetup),
sequential,
ProcessTask(onProcessSetup, onProcessDone),
AsyncTask<expected_str<Diagnostics>>(onReadSetup, onReadDone)
}
};
}
} // namespace Internal
} // namespace ClangTools
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