Utils/all: Create an OutputFormatterFactory

Essentially following the scheme used for the various project
configurations. This makes it possible to construct OutputFormatters
by Id only, potentially reducing hard plugin dependencies and
opening the road to have several output formatters per
RunConfiguration/Outputpane/...

Change-Id: I4b5fb6fb6be8b0d9a0859f178bb0effc3398b09e
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/python/pythonplugin.cpp

@@ -147,7 +147,7 @@ static QTextCharFormat linkFormat(const QTextCharFormat &inputFormat, const QStr
 class PythonOutputFormatter : public OutputFormatter
 {
 public:
-    PythonOutputFormatter(Project *)
+    PythonOutputFormatter()
         // Note that moc dislikes raw string literals.
         : filePattern("^(\\s*)(File \"([^\"]+)\", line (\\d+), .*$)")
     {
@@ -217,6 +217,19 @@ private:
     const QRegularExpression filePattern;
 };
 
+class PythonOutputFormatterFactory : public OutputFormatterFactory
+{
+public:
+    PythonOutputFormatterFactory()
+    {
+        setFormatterCreator([](Target *t) -> OutputFormatter * {
+            if (t->project()->mimeType() == Constants::C_PY_MIMETYPE)
+                return new PythonOutputFormatter;
+            return nullptr;
+        });
+    }
+};
+
 ////////////////////////////////////////////////////////////////
 
 class InterpreterAspect : public ProjectConfigurationAspect
@@ -370,7 +383,6 @@ PythonRunConfiguration::PythonRunConfiguration(Target *target, Core::Id id)
 
     addAspect<TerminalAspect>();
 
-    setOutputFormatter<PythonOutputFormatter>();
     setCommandLineGetter([this, interpreterAspect, argumentsAspect] {
         CommandLine cmd{interpreterAspect->currentInterpreter().command, {mainScript()}};
         cmd.addArgs(argumentsAspect->arguments(macroExpander()), CommandLine::Raw);
@@ -810,7 +822,9 @@ class PythonPluginPrivate
 {
 public:
     PythonEditorFactory editorFactory;
+    PythonOutputFormatterFactory outputFormatterFactory;
     PythonRunConfigurationFactory runConfigFactory;
+
     RunWorkerFactory runWorkerFactory{
         RunWorkerFactory::make<SimpleTargetRunner>(),
         {ProjectExplorer::Constants::NORMAL_RUN_MODE},