QbsProjectManager: No more "forced" vs "non-forced" parsing.

This differentiation complicates the code and duplicates checks
already done in qbs.
Just let the library reparse the project; if it turns out that nothing
has to be done, then the operation will be fast.

Change-Id: Ib6406f254e51541c69c948f275fff7877b65b4bd
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>

src/plugins/qbsprojectmanager/qbsbuildstep.cpp

@@ -365,7 +365,7 @@ void QbsBuildStep::parseProject()
 {
     m_parsingProject = true;
     connect(qbsProject(), SIGNAL(projectParsingDone(bool)), SLOT(reparsingDone(bool)));
-    qbsProject()->parseCurrentBuildConfiguration(true);
+    qbsProject()->parseCurrentBuildConfiguration();
 }
 
 void QbsBuildStep::build()

src/plugins/qbsprojectmanager/qbsproject.cpp

@@ -100,7 +100,6 @@ QbsProject::QbsProject(QbsManager *manager, const QString &fileName) :
     m_rootProjectNode(0),
     m_qbsProjectParser(0),
     m_qbsUpdateFutureInterface(0),
-    m_forceParsing(false),
     m_parsingScheduled(false),
     m_cancelStatus(CancelStatusNone),
     m_currentBc(0)
@@ -283,7 +282,7 @@ void QbsProject::handleQbsParsingDone(bool success)
     if (cancelStatus == CancelStatusCancelingForReparse) {
         m_qbsProjectParser->deleteLater();
         m_qbsProjectParser = 0;
-        parseCurrentBuildConfiguration(m_forceParsing);
+        parseCurrentBuildConfiguration();
         return;
     }
 
@@ -316,8 +315,8 @@ void QbsProject::handleQbsParsingDone(bool success)
 void QbsProject::targetWasAdded(Target *t)
 {
     connect(t, SIGNAL(activeBuildConfigurationChanged(ProjectExplorer::BuildConfiguration*)),
-            this, SLOT(delayForcedParsing()));
-    connect(t, SIGNAL(buildDirectoryChanged()), this, SLOT(delayForcedParsing()));
+            this, SLOT(delayParsing()));
+    connect(t, SIGNAL(buildDirectoryChanged()), this, SLOT(delayParsing()));
 }
 
 void QbsProject::changeActiveTarget(Target *t)
@@ -351,7 +350,7 @@ void QbsProject::startParsing()
         return;
     }
 
-    parseCurrentBuildConfiguration(false);
+    parseCurrentBuildConfiguration();
 }
 
 void QbsProject::delayParsing()
@@ -359,12 +358,6 @@ void QbsProject::delayParsing()
     m_parsingDelay.start();
 }
 
-void QbsProject::delayForcedParsing()
-{
-    m_forceParsing = true;
-    delayParsing();
-}
-
 // Qbs may change its data
 void QbsProject::readQbsData()
 {
@@ -383,11 +376,9 @@ void QbsProject::readQbsData()
     emit fileListChanged();
 }
 
-void QbsProject::parseCurrentBuildConfiguration(bool force)
+void QbsProject::parseCurrentBuildConfiguration()
 {
     m_parsingScheduled = false;
-    if (!m_forceParsing)
-        m_forceParsing = force;
     if (m_cancelStatus == CancelStatusCancelingForReparse)
         return;
 
@@ -440,12 +431,8 @@ void QbsProject::registerQbsProjectParser(QbsProjectParser *p)
 
     m_qbsProjectParser = p;
 
-    if (p) {
-        p->setForced(m_forceParsing);
+    if (p)
         connect(m_qbsProjectParser, SIGNAL(done(bool)), this, SLOT(handleQbsParsingDone(bool)));
-    }
-
-    m_forceParsing = false;
 }
 
 bool QbsProject::fromMap(const QVariantMap &map)
@@ -482,7 +469,7 @@ void QbsProject::parse(const QVariantMap &config, const Environment &env, const
 
     registerQbsProjectParser(new QbsProjectParser(this, m_qbsUpdateFutureInterface));
 
-    if (m_qbsProjectParser->parse(config, env, dir))
+    m_qbsProjectParser->parse(config, env, dir);
     emit projectParsingStarted();
 }
 

src/plugins/qbsprojectmanager/qbsproject.h

@@ -93,7 +93,7 @@ public:
     QString profileForTarget(const ProjectExplorer::Target *t) const;
     bool isParsing() const;
     bool hasParseResult() const;
-    void parseCurrentBuildConfiguration(bool force);
+    void parseCurrentBuildConfiguration();
     void scheduleParsing() { m_parsingScheduled = true; }
     bool parsingScheduled() const { return m_parsingScheduled; }
     void cancelParsing();
@@ -114,7 +114,6 @@ public:
 public slots:
     void invalidate();
     void delayParsing();
-    void delayForcedParsing();
     void readQbsData();
 
 signals:
@@ -153,7 +152,6 @@ private:
     QbsProjectParser *m_qbsProjectParser;
 
     QFutureInterface<bool> *m_qbsUpdateFutureInterface;
-    bool m_forceParsing;
     bool m_parsingScheduled;
 
     enum CancelStatus {

src/plugins/qbsprojectmanager/qbsprojectfile.cpp

@@ -89,7 +89,7 @@ bool QbsProjectFile::reload(QString *errorString, ReloadFlag flag, ChangeType ty
     Q_UNUSED(flag)
     if (type == TypePermissions)
         return true;
-    m_project->delayForcedParsing();
+    m_project->delayParsing();
     return true;
 }
 

src/plugins/qbsprojectmanager/qbsprojectmanagerplugin.cpp

@@ -522,7 +522,7 @@ void QbsProjectManagerPlugin::reparseProject(QbsProject *project)
     if (BuildManager::isBuilding(project))
         project->scheduleParsing();
     else
-        project->parseCurrentBuildConfiguration(true);
+        project->parseCurrentBuildConfiguration();
 }
 
 } // namespace Internal

src/plugins/qbsprojectmanager/qbsprojectparser.cpp

@@ -71,15 +71,10 @@ QbsProjectParser::~QbsProjectParser()
     m_fi = 0; // we do not own m_fi, do not delete
 }
 
-void QbsProjectParser::setForced(bool f)
+void QbsProjectParser::parse(const QVariantMap &config, const Environment &env, const QString &dir)
 {
-    m_wasForced = f;
-}
-
-bool QbsProjectParser::parse(const QVariantMap &config, const Environment &env, const QString &dir)
-{
-    QTC_ASSERT(!m_qbsSetupProjectJob, return false);
-    QTC_ASSERT(!dir.isNull(), return false);
+    QTC_ASSERT(!m_qbsSetupProjectJob, return);
+    QTC_ASSERT(!dir.isEmpty(), return);
 
     m_currentProgressBase = 0;
 
@@ -92,25 +87,6 @@ bool QbsProjectParser::parse(const QVariantMap &config, const Environment &env,
     params.setBuildVariant(userConfig.take(specialKey).toString());
     params.setSettingsDirectory(QbsManager::settings()->baseDirectoy());
     params.setOverriddenValues(userConfig);
-    m_error = params.expandBuildConfiguration();
-    if (m_error.hasError()) {
-        emit done(false);
-        return false;
-    }
-
-    // Avoid useless reparsing:
-    if (!m_wasForced
-            && m_project.isValid()
-            && m_project.projectConfiguration() == params.finalBuildConfigurationTree()) {
-        QHash<QString, QString> usedEnv = m_project.usedEnvironment();
-        for (QHash<QString, QString>::const_iterator i = usedEnv.constBegin();
-             i != usedEnv.constEnd(); ++i) {
-            if (env.value(i.key()) != i.value()) {
-                emit done(true);
-                return true;
-            }
-        }
-    }
 
     // Some people don't like it when files are created as a side effect of opening a project,
     // so do not store the build graph if the build directory does not exist yet.
@@ -132,8 +108,6 @@ bool QbsProjectParser::parse(const QVariantMap &config, const Environment &env,
             this, SLOT(handleQbsParsingTaskSetup(QString,int)));
     connect(m_qbsSetupProjectJob, SIGNAL(taskProgress(int,qbs::AbstractJob*)),
             this, SLOT(handleQbsParsingProgress(int)));
-
-    return true;
 }
 
 void QbsProjectParser::cancel()

src/plugins/qbsprojectmanager/qbsprojectparser.h

@@ -51,9 +51,7 @@ public:
                      QFutureInterface<bool> *fi);
     ~QbsProjectParser();
 
-    void setForced(bool);
-
-    bool parse(const QVariantMap &config, const Utils::Environment &env, const QString &dir);
+    void parse(const QVariantMap &config, const Utils::Environment &env, const QString &dir);
     void cancel();
 
     qbs::Project qbsProject() const;
@@ -71,7 +69,6 @@ private:
     QString pluginsBaseDirectory() const;
     QString resourcesBaseDirectory() const;
 
-    bool m_wasForced;
     QString m_projectFilePath;
     qbs::SetupProjectJob *m_qbsSetupProjectJob;
     qbs::ErrorInfo m_error;