Session now holds Config in unique_ptr instead of shared_ptr

src/catch2/catch_session.cpp

@@ -137,7 +137,7 @@ namespace Catch {
         const auto& exceptions = getRegistryHub().getStartupExceptionRegistry().getExceptions();
         if ( !exceptions.empty() ) {
             config();
-            getCurrentMutableContext().setConfig(m_config);
+            getCurrentMutableContext().setConfig(m_config.get());
 
             m_startupExceptions = true;
             Colour colourGuard( Colour::Red );
@@ -181,7 +181,7 @@ namespace Catch {
         auto result = m_cli.parse( clara::Args( argc, argv ) );
         if( !result ) {
             config();
-            getCurrentMutableContext().setConfig(m_config);
+            getCurrentMutableContext().setConfig(m_config.get());
             Catch::cerr()
                 << Colour( Colour::Red )
                 << "\nError(s) in input:\n"
@@ -252,7 +252,7 @@ namespace Catch {
     }
     Config& Session::config() {
         if( !m_config )
-            m_config = std::make_shared<Config>( m_configData );
+            m_config = std::make_unique<Config>( m_configData );
         return *m_config;
     }
 
@@ -274,7 +274,7 @@ namespace Catch {
             }
 
             // Set up global config instance before we start calling into other functions
-            getCurrentMutableContext().setConfig(m_config);
+            getCurrentMutableContext().setConfig(m_config.get());
 
             // Create reporter(s) so we can route listings through them
             auto reporter = makeReporter(m_config.get());

src/catch2/catch_session.hpp

@@ -53,7 +53,7 @@ namespace Catch {
 
         clara::Parser m_cli;
         ConfigData m_configData;
-        std::shared_ptr<Config> m_config;
+        std::unique_ptr<Config> m_config;
         bool m_startupExceptions = false;
     };
 

src/catch2/internal/catch_context.cpp

@@ -22,7 +22,7 @@ namespace Catch {
         }
 
         IConfig const* getConfig() const override {
-            return m_config.get();
+            return m_config;
         }
 
         ~Context() override;
@@ -34,14 +34,14 @@ namespace Catch {
         void setRunner( IRunner* runner ) override {
             m_runner = runner;
         }
-        void setConfig( IConfigPtr const& config ) override {
+        void setConfig( IConfig const* config ) override {
             m_config = config;
         }
 
         friend IMutableContext& getCurrentMutableContext();
 
     private:
-        IConfigPtr m_config;
+        IConfig const* m_config = nullptr;
         IRunner* m_runner = nullptr;
         IResultCapture* m_resultCapture = nullptr;
     };

src/catch2/internal/catch_context.hpp

@@ -33,7 +33,7 @@ namespace Catch {
         virtual ~IMutableContext();
         virtual void setResultCapture( IResultCapture* resultCapture ) = 0;
         virtual void setRunner( IRunner* runner ) = 0;
-        virtual void setConfig( IConfigPtr const& config ) = 0;
+        virtual void setConfig( IConfig const* config ) = 0;
 
     private:
         static IMutableContext *currentContext;