ClangCodeModel: Use Utils::runAsync instead of QtConcurrent::run

That works the same with Qt 5 and Qt 6.

This reverts commit c1fcaa2877.

Change-Id: I603e50c793c2477454253a57bfe01eb25ecab6e3
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/clangcodemodel/clangcodemodelplugin.cpp

@@ -35,6 +35,8 @@
 #  include "test/clangfixittest.h"
 #endif
 
+#include <utils/runextensions.h>
+
 #include <coreplugin/actionmanager/actioncontainer.h>
 #include <coreplugin/actionmanager/actionmanager.h>
 #include <coreplugin/messagemanager.h>
@@ -51,8 +53,6 @@
 
 #include <texteditor/textmark.h>
 
-#include <QtConcurrent>
-
 using namespace Utils;
 
 namespace ClangCodeModel {
@@ -83,11 +83,11 @@ void ClangCodeModelPlugin::generateCompilationDB()
     const CppEditor::ClangDiagnosticConfig warningsConfig
             = warningsConfigForProject(target->project());
     QFuture<GenerateCompilationDbResult> task
-            = QtConcurrent::run(&Internal::generateCompilationDB, projectInfo,
-                                projectInfo->buildRoot(), CompilationDbPurpose::Project,
-                                qMakePair(warningsConfig,
-                                          optionsForProject(target->project(), warningsConfig)),
-                                FilePath());
+            = Utils::runAsync(&Internal::generateCompilationDB, projectInfo,
+                              projectInfo->buildRoot(), CompilationDbPurpose::Project,
+                              warningsConfig,
+                              optionsForProject(target->project(), warningsConfig),
+                              FilePath());
     Core::ProgressManager::addTask(task, tr("Generating Compilation DB"), "generate compilation db");
     m_generatorWatcher.setFuture(task);
 }

src/plugins/clangcodemodel/clangmodelmanagersupport.cpp

@@ -415,8 +415,7 @@ void ClangModelManagerSupport::updateLanguageClient(
     const ClangDiagnosticConfig warningsConfig = warningsConfigForProject(project);
     auto future = Utils::runAsync(&Internal::generateCompilationDB, projectInfo, jsonDbDir,
                                   CompilationDbPurpose::CodeModel,
-                                  qMakePair(warningsConfig,
-                                            optionsForProject(project, warningsConfig)),
+                                  warningsConfig, optionsForProject(project, warningsConfig),
                                   includeDir);
     generatorWatcher->setFuture(future);
     m_generatorSynchronizer.addFuture(future);

src/plugins/clangcodemodel/clangutils.cpp

@@ -168,12 +168,12 @@ static QJsonObject createFileObject(const FilePath &buildDir,
     return fileObject;
 }
 
-GenerateCompilationDbResult generateCompilationDB(
-        const CppEditor::ProjectInfo::ConstPtr projectInfo,
-        const Utils::FilePath &baseDir,
-        CompilationDbPurpose purpose,
-        const QPair<ClangDiagnosticConfig, QStringList> &configAndOptions,
-        const FilePath &clangIncludeDir)
+GenerateCompilationDbResult generateCompilationDB(const CppEditor::ProjectInfo::ConstPtr projectInfo,
+                                                  const Utils::FilePath &baseDir,
+                                                  CompilationDbPurpose purpose,
+                                                  const ClangDiagnosticConfig &warningsConfig,
+                                                  const QStringList &projectOptions,
+                                                  const FilePath &clangIncludeDir)
 {
     QTC_ASSERT(!baseDir.isEmpty(), return GenerateCompilationDbResult(QString(),
         QCoreApplication::translate("ClangUtils", "Could not retrieve build directory.")));
@@ -190,11 +190,11 @@ GenerateCompilationDbResult generateCompilationDB(
     compileCommandsFile.write("[");
 
     const UsePrecompiledHeaders usePch = getPchUsage();
-    const QJsonArray jsonProjectOptions = QJsonArray::fromStringList(configAndOptions.second);
+    const QJsonArray jsonProjectOptions = QJsonArray::fromStringList(projectOptions);
     for (ProjectPart::ConstPtr projectPart : projectInfo->projectParts()) {
         QStringList args;
         const CompilerOptionsBuilder optionsBuilder = clangOptionsBuilder(
-                    *projectPart, configAndOptions.first, clangIncludeDir);
+                    *projectPart, warningsConfig, clangIncludeDir);
         QJsonArray ppOptions;
         if (purpose == CompilationDbPurpose::Project) {
             args = projectPartArguments(*projectPart);

src/plugins/clangcodemodel/clangutils.h

@@ -90,7 +90,7 @@ public:
 enum class CompilationDbPurpose { Project, CodeModel };
 GenerateCompilationDbResult generateCompilationDB(const CppEditor::ProjectInfo::ConstPtr projectInfo,
         const Utils::FilePath &baseDir, CompilationDbPurpose purpose,
-        const QPair<CppEditor::ClangDiagnosticConfig, QStringList> &configAndOptions,
+        const CppEditor::ClangDiagnosticConfig &warningsConfig, const QStringList &projectOptions,
         const Utils::FilePath &clangIncludeDir);
 
 class DiagnosticTextInfo