CMake: Simplify CMake Build System states a bit

Merge handleParsingSucceeded and handleParsingSuccess as well as
handleParsingFailed and handleParsingError.

Change-Id: If4f84bdfa2f59cfa0037a941372a1929996be3bd
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/plugins/cmakeprojectmanager/cmakebuildsystem.cpp

@@ -359,25 +359,6 @@ void CMakeBuildSystem::clearCMakeCache()
     m_buildDirManager.clearCache();
 }
 
-void CMakeBuildSystem::handleParsingSuccess()
-{
-    QTC_ASSERT(m_waitingForParse, return );
-
-    m_waitingForParse = false;
-
-    combineScanAndParse();
-}
-
-void CMakeBuildSystem::handleParsingError()
-{
-    QTC_CHECK(m_waitingForParse);
-
-    m_waitingForParse = false;
-    m_combinedScanAndParseResult = false;
-
-    combineScanAndParse();
-}
-
 std::unique_ptr<CMakeProjectNode>
     CMakeBuildSystem::generateProjectTree(const QList<const FileNode *> &allFiles)
 {
@@ -539,7 +520,10 @@ void CMakeBuildSystem::handleParsingSucceeded()
     setApplicationTargets(appTargets());
     setDeploymentData(deploymentData());
 
-    handleParsingSuccess();
+    QTC_ASSERT(m_waitingForParse, return );
+    m_waitingForParse = false;
+
+    combineScanAndParse();
 }
 
 void CMakeBuildSystem::handleParsingFailed(const QString &msg)
@@ -551,7 +535,11 @@ void CMakeBuildSystem::handleParsingFailed(const QString &msg)
         m_buildDirManager.takeCMakeConfiguration(errorMessage));
     // ignore errorMessage here, we already got one.
 
-    handleParsingError();
+    QTC_CHECK(m_waitingForParse);
+    m_waitingForParse = false;
+    m_combinedScanAndParseResult = false;
+
+    combineScanAndParse();
 }
 
 void CMakeBuildSystem::wireUpConnections(const Project *p)

src/plugins/cmakeprojectmanager/cmakebuildsystem.h

@@ -63,35 +63,38 @@ public:
 
     QStringList filesGeneratedFrom(const QString &sourceFile) const final;
 
+    // Actions:
     void runCMake();
     void runCMakeAndScanProjectTree();
 
-    // Context menu actions:
-    void buildCMakeTarget(const QString &buildTarget);
-    // Treescanner states:
-    void handleTreeScanningFinished();
-
     bool persistCMakeState();
     void clearCMakeCache();
 
-    // Parser states:
-    void handleParsingSuccess();
-    void handleParsingError();
-
-    CMakeBuildConfiguration *cmakeBuildConfiguration() const;
+    // Context menu actions:
+    void buildCMakeTarget(const QString &buildTarget);
 
+    // Queries:
     const QList<ProjectExplorer::BuildTargetInfo> appTargets() const;
     QStringList buildTargetTitles() const;
     const QList<CMakeBuildTarget> &buildTargets() const;
     ProjectExplorer::DeploymentData deploymentData() const;
 
+    CMakeBuildConfiguration *cmakeBuildConfiguration() const;
+
 private:
-    std::unique_ptr<CMakeProjectNode> generateProjectTree(
-        const QList<const ProjectExplorer::FileNode *> &allFiles);
+    // Parser states:
+    void handleParsingSuccess();
+    void handleParsingError();
+
+    // Treescanner states:
+    void handleTreeScanningFinished();
 
     // Combining Treescanner and Parser states:
     void combineScanAndParse();
 
+    std::unique_ptr<CMakeProjectNode> generateProjectTree(
+        const QList<const ProjectExplorer::FileNode *> &allFiles);
+
     void checkAndReportError(QString &errorMessage);
 
     void updateProjectData();

src/plugins/cmakeprojectmanager/cmakebuildsystem.md

@@ -45,11 +45,9 @@ graph TD
 
     parse --> FileApiReader::parse
     FileApiReader::parse --> handleParsingSucceeded
-    handleParsingSucceeded --> handleParsingSuccess
+    handleParsingSucceeded --> combineScanAndParse
     FileApiReader::parse --> handleParsingFailed
-    handleParsingFailed --> handleParsingError
-    handleParsingError --> combineScanAndParse
-    handleParsingSuccess --> combineScanAndParse
+    handleParsingFailed --> combineScanAndParse
 
     TreeScanner::asyncScanForFiles --> handleTreeScanningFinished
     handleTreeScanningFinished --> combineScanAndParse
@@ -110,7 +108,6 @@ sequenceDiagram
     alt Return Result from FileApiReader
     FileApiReader ->> BuildDirManager: signal dataAvailable()
     BuildDirManager ->> CMakeBuildSystem: signal dataAvailable() and trigger handleParsingSucceeded()
-    CMakeBuildSystem ->> CMakeBuildSystem: call handleParsingSuccess()
     CMakeBuildSystem ->> BuildDirManager: call takeBuildTargets()
     BuildDirManager ->> FileApiReader: call takeBuildTargets()
     CMakeBuildSystem ->> BuildDirManager: call takeCMakeConfiguration(...)
@@ -118,7 +115,6 @@ sequenceDiagram
     else
     FileApiReader ->> BuildDirManager: signal errorOccurred(...)
     BuildDirManager ->> CMakeBuildSystem: signal errorOccurred(...) and trigger handelParsingFailed(...)
-    CMakeBuildSystem ->> CMakeBuildSystem: call handelParsingError()
     CMakeBuildSystem ->> BuildDirManager: call takeCMakeConfiguration(...)
     BuildDirManager ->> FileApiReader: call takeCMakeConfiguration(....)
     end