ProjectExplorer: Give build systems a name

... and make it accessible through a variable.

Fixes: QTCREATORBUG-26147
Change-Id: I0601c09a74360b91fe8421876207a8f4ae9d75b6
Reviewed-by: hjk <hjk@qt.io>

src/plugins/autotoolsprojectmanager/autotoolsbuildsystem.h

@@ -44,6 +44,7 @@ public:
 
 private:
     void triggerParsing() final;
+    QString name() const final { return QLatin1String("autotools"); }
 
     /**
      * Is invoked when the makefile parsing by m_makefileParserThread has

src/plugins/cmakeprojectmanager/cmakebuildsystem.h

@@ -67,6 +67,7 @@ public:
                   const Utils::FilePaths &filePaths, Utils::FilePaths *) final;
 
     Utils::FilePaths filesGeneratedFrom(const Utils::FilePath &sourceFile) const final;
+    QString name() const final { return QLatin1String("cmake"); }
 
     // Actions:
     void runCMake();

src/plugins/compilationdatabaseprojectmanager/compilationdatabaseproject.h

@@ -64,6 +64,7 @@ public:
     ~CompilationDatabaseBuildSystem();
 
     void triggerParsing() final;
+    QString name() const final { return QLatin1String("compilationdb"); }
 
     void reparseProject();
     void updateDeploymentData();

src/plugins/genericprojectmanager/genericproject.cpp

@@ -138,6 +138,7 @@ public:
     RemovedFilesFromProject removeFiles(Node *, const FilePaths &filePaths, FilePaths *) final;
     bool renameFile(Node *, const FilePath &oldFilePath, const FilePath &newFilePath) final;
     bool addFiles(Node *, const FilePaths &filePaths, FilePaths *) final;
+    QString name() const final { return QLatin1String("generic"); }
 
     FilePath filesFilePath() const { return ::FilePath::fromString(m_filesFileName); }
 

src/plugins/mesonprojectmanager/project/mesonbuildsystem.h

@@ -48,6 +48,7 @@ public:
     ~MesonBuildSystem() final;
 
     void triggerParsing() final;
+    QString name() const final { return QLatin1String("meson"); }
 
     inline const BuildOptionsList &buildOptions() const { return m_parser.buildOptions(); }
     inline const TargetsList &targets() const { return m_parser.targets(); }

src/plugins/nim/project/nimblebuildsystem.h

@@ -82,7 +82,7 @@ private:
     bool deleteFiles(ProjectExplorer::Node *, const Utils::FilePaths &) override;
     bool renameFile(ProjectExplorer::Node *,
                     const Utils::FilePath &oldFilePath, const Utils::FilePath &newFilePath) override;
-
+    QString name() const final { return QLatin1String("mimble"); }
     void triggerParsing() final;
 
     std::vector<NimbleTask> m_tasks;

src/plugins/nim/project/nimbuildsystem.h

@@ -87,6 +87,7 @@ public:
     bool deleteFiles(ProjectExplorer::Node *, const Utils::FilePaths &) final;
     bool renameFile(ProjectExplorer::Node *,
                     const Utils::FilePath &oldFilePath, const Utils::FilePath &newFilePath) final;
+    QString name() const final { return QLatin1String("nim"); }
 
     void triggerParsing() override;
 

src/plugins/projectexplorer/buildsystem.h

@@ -101,6 +101,7 @@ public:
                             const Utils::FilePath &newFilePath);
     virtual bool addDependencies(Node *context, const QStringList &dependencies);
     virtual bool supportsAction(Node *context, ProjectAction action, const Node *node) const;
+    virtual QString name() const = 0;
 
     virtual Utils::FilePaths filesGeneratedFrom(const Utils::FilePath &sourceFile) const;
     virtual QVariant additionalData(Utils::Id id) const;

src/plugins/projectexplorer/project.cpp

@@ -1100,6 +1100,7 @@ public:
     using BuildSystem::BuildSystem;
 
     void triggerParsing() final {}
+    QString name() const final { return QLatin1String("test"); }
 };
 
 class TestProject : public Project

src/plugins/projectexplorer/target.cpp

@@ -161,6 +161,11 @@ Target::Target(Project *project, Kit *k, _constructor_tag) :
 
     d->m_macroExpander.registerVariable("sourceDir", tr("Source directory"),
             [project] { return project->projectDirectory().toUserOutput(); });
+    d->m_macroExpander.registerVariable("BuildSystem:Name", tr("Build system"), [this] {
+        if (const BuildSystem * const bs = buildSystem())
+            return bs->name();
+        return QString();
+    });
 
     // TODO: Remove in ~4.16.
     d->m_macroExpander.registerVariable(Constants::VAR_CURRENTPROJECT_NAME,

src/plugins/python/pythonproject.cpp

@@ -69,6 +69,7 @@ public:
     bool renameFile(Node *,
                     const Utils::FilePath &oldFilePath,
                     const Utils::FilePath &newFilePath) override;
+    QString name() const override { return QLatin1String("python"); }
 
     bool saveRawFileList(const QStringList &rawFileList);
     bool saveRawList(const QStringList &rawList, const QString &fileName);

src/plugins/qbsprojectmanager/qbsproject.h

@@ -91,9 +91,9 @@ public:
                                                          Utils::FilePaths *notRemoved = nullptr) final;
     bool renameFile(ProjectExplorer::Node *context,
                     const Utils::FilePath &oldFilePath, const Utils::FilePath &newFilePath) final;
-
     Utils::FilePaths filesGeneratedFrom(const Utils::FilePath &sourceFile) const final;
     QVariant additionalData(Utils::Id id) const final;
+    QString name() const final { return QLatin1String("qbs"); }
 
     bool isProjectEditable() const;
     bool addFilesToProduct(const Utils::FilePaths &filePaths,

src/plugins/qmakeprojectmanager/qmakeproject.h

@@ -105,6 +105,7 @@ public:
                     const Utils::FilePath &newFilePath) override;
     bool addDependencies(ProjectExplorer::Node *context,
                          const QStringList &dependencies) override;
+    QString name() const final { return QLatin1String("qmake"); }
     void triggerParsing() final;
 
     Utils::FilePaths filesGeneratedFrom(const Utils::FilePath &file) const final;

src/plugins/qmlprojectmanager/qmlproject.h

@@ -59,6 +59,7 @@ public:
                      const Utils::FilePaths &filePaths) override;
     bool renameFile(ProjectExplorer::Node *context,
                     const Utils::FilePath &oldFilePath, const Utils::FilePath &newFilePath) override;
+    QString name() const override { return QLatin1String("qml"); }
 
     QmlProject *qmlProject() const;