diff options
Diffstat (limited to 'build2/module')
| -rw-r--r-- | build2/module | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/build2/module b/build2/module index 7c8719e..25574d1 100644 --- a/build2/module +++ b/build2/module @@ -17,16 +17,16 @@ namespace build2 class scope; class location; - class module + class module_base { public: virtual - ~module () = default; + ~module_base () = default; }; extern "C" using module_boot_function = - void (scope& root, const location&, unique_ptr<module>&); + void (scope& root, const location&, unique_ptr<module_base>&); // Return false if the module configuration (normally based on the default // values) was unsuccessful but this is not (yet) an error. One example @@ -39,7 +39,7 @@ namespace build2 bool (scope& root, scope& base, const location&, - unique_ptr<module>&, + unique_ptr<module_base>&, bool first, // First time for this project. bool optional); // Loaded with 'using?' (optional module). @@ -48,11 +48,22 @@ namespace build2 { bool boot; // True if the module boot'ed but not yet init'ed. module_init_function* init; - unique_ptr<build2::module> module; + unique_ptr<module_base> module; const location loc; // Boot location. }; - using loaded_module_map = std::map<string, module_state>; + struct loaded_module_map: std::map<string, module_state> + { + template<typename T> + T* + lookup (const string& name) const + { + auto i (find (name)); + return i != end () + ? static_cast<T*> (i->second.module.get ()) + : nullptr; + } + }; // Load and boot the specified module. // |