CMake: cancel file api parsing

Change-Id: Ie59370fa4329f92dd28bf3e147b2828cbd75330b
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/cmakeprojectmanager/fileapiparser.cpp

@@ -870,7 +870,9 @@ static QStringList uniqueTargetFiles(const Configuration &config)
     return files;
 }
 
-FileApiData FileApiParser::parseData(const QFileInfo &replyFileInfo, const QString &cmakeBuildType,
+FileApiData FileApiParser::parseData(QFutureInterface<std::shared_ptr<FileApiQtcData>> &fi,
+                                     const QFileInfo &replyFileInfo,
+                                     const QString &cmakeBuildType,
                                      QString &errorMessage)
 {
     QTC_CHECK(errorMessage.isEmpty());
@@ -878,16 +880,29 @@ FileApiData FileApiParser::parseData(const QFileInfo &replyFileInfo, const QStri
 
     FileApiData result;
 
+    const auto cancelCheck = [&fi, &errorMessage]() -> bool {
+        if (fi.isCanceled()) {
+            errorMessage = FileApiParser::tr("CMake parsing was cancelled.");
+            return true;
+        }
+        return false;
+    };
+
     result.replyFile = readReplyFile(replyFileInfo, errorMessage);
+    if (cancelCheck())
+        return {};
     result.cache = readCacheFile(result.replyFile.jsonFile("cache", replyDir), errorMessage);
+    if (cancelCheck())
+        return {};
     result.cmakeFiles = readCMakeFilesFile(result.replyFile.jsonFile("cmakeFiles", replyDir),
                                            errorMessage);
+    if (cancelCheck())
+        return {};
     auto codeModels = readCodemodelFile(result.replyFile.jsonFile("codemodel", replyDir),
                                          errorMessage);
 
     if (codeModels.size() == 0) {
         errorMessage = "No CMake configuration found!";
-        qWarning() << errorMessage;
         return result;
     }
 
@@ -911,14 +926,17 @@ FileApiData FileApiParser::parseData(const QFileInfo &replyFileInfo, const QStri
                            .arg(cmakeBuildType)
                            .arg(buildTypes.join(", "));
         }
-        qWarning() << errorMessage;
         return result;
     }
     result.codemodel = std::move(*it);
+    if (cancelCheck())
+        return {};
 
     const QStringList targetFiles = uniqueTargetFiles(result.codemodel);
 
     for (const QString &targetFile : targetFiles) {
+        if (cancelCheck())
+            return {};
         QString targetErrorMessage;
         TargetDetails td = readTargetFile(replyDir.absoluteFilePath(targetFile), targetErrorMessage);
         if (targetErrorMessage.isEmpty()) {

src/plugins/cmakeprojectmanager/fileapiparser.h

@@ -27,6 +27,8 @@
 
 #include "cmakeconfigitem.h"
 
+#include "fileapidataextractor.h"
+
 #include <projectexplorer/headerpath.h>
 #include <projectexplorer/projectmacro.h>
 
@@ -34,6 +36,7 @@
 #include <utils/fileutils.h>
 
 #include <QDir>
+#include <QFutureInterface>
 #include <QString>
 #include <QVector>
 
@@ -247,7 +250,9 @@ class FileApiParser
 {
     Q_DECLARE_TR_FUNCTIONS(FileApiParser)
 public:
-    static FileApiData parseData(const QFileInfo &replyFileInfo, const QString& cmakeBuildType,
+    static FileApiData parseData(QFutureInterface<std::shared_ptr<FileApiQtcData>> &fi,
+                                 const QFileInfo &replyFileInfo,
+                                 const QString &cmakeBuildType,
                                  QString &errorMessage);
 
     static bool setupCMakeFileApi(const Utils::FilePath &buildDirectory,

src/plugins/cmakeprojectmanager/fileapireader.cpp

@@ -265,11 +265,14 @@ void FileApiReader::endState(const QFileInfo &replyFi)
     m_lastReplyTimestamp = replyFi.lastModified();
 
     m_future = runAsync(ProjectExplorerPlugin::sharedThreadPool(),
-                        [replyFi, sourceDirectory, buildDirectory, topCmakeFile, cmakeBuildType]() {
+                        [replyFi, sourceDirectory, buildDirectory, topCmakeFile, cmakeBuildType](
+                            QFutureInterface<std::shared_ptr<FileApiQtcData>> &fi) {
                             auto result = std::make_shared<FileApiQtcData>();
-                            FileApiData data = FileApiParser::parseData(replyFi, cmakeBuildType, result->errorMessage);
+                            FileApiData data = FileApiParser::parseData(fi,
+                                                                        replyFi,
+                                                                        cmakeBuildType,
+                                                                        result->errorMessage);
                             if (!result->errorMessage.isEmpty()) {
-                                qWarning() << result->errorMessage;
                                 *result = generateFallbackData(topCmakeFile,
                                                                sourceDirectory,
                                                                buildDirectory,
@@ -281,7 +284,7 @@ void FileApiReader::endState(const QFileInfo &replyFi)
                                 qWarning() << result->errorMessage;
                             }
 
-                            return result;
+                            fi.reportResult(result);
                         });
     onResultReady(m_future.value(),
                   this,