Pure `clang-format --style=file -i` change.

include/pybind11/smart_holder_poc.h

@@ -48,216 +48,202 @@ namespace memory {
 
 template <typename T>
 struct guarded_builtin_delete {
-  bool* flag_ptr;
-  explicit guarded_builtin_delete(bool* guard_flag_ptr)
-      : flag_ptr{guard_flag_ptr} {}
-  void operator()(T* raw_ptr) {
-    if (*flag_ptr) delete raw_ptr;
-  }
+    bool *flag_ptr;
+    explicit guarded_builtin_delete(bool *guard_flag_ptr) : flag_ptr{guard_flag_ptr} {}
+    void operator()(T *raw_ptr) {
+        if (*flag_ptr)
+            delete raw_ptr;
+    }
 };
 
 template <typename T, typename D>
 struct guarded_custom_deleter {
-  bool* flag_ptr;
-  explicit guarded_custom_deleter(bool* guard_flag_ptr)
-      : flag_ptr{guard_flag_ptr} {}
-  void operator()(T* raw_ptr) {
-    if (*flag_ptr) D()(raw_ptr);
-  }
+    bool *flag_ptr;
+    explicit guarded_custom_deleter(bool *guard_flag_ptr) : flag_ptr{guard_flag_ptr} {}
+    void operator()(T *raw_ptr) {
+        if (*flag_ptr)
+            D()(raw_ptr);
+    }
 };
 
 struct smart_holder {
-  const std::type_info* rtti_held;
-  const std::type_info* rtti_uqp_del;
-  std::shared_ptr<void> vptr;
-  bool vptr_deleter_guard_flag;
-  bool vptr_is_using_noop_deleter : 1;
-  bool vptr_is_using_builtin_delete : 1;
-  bool vptr_is_external_shared_ptr : 1;
-
-  smart_holder()
-      : rtti_held{nullptr},
-        rtti_uqp_del{nullptr},
-        vptr_deleter_guard_flag{false},
-        vptr_is_using_noop_deleter{false},
-        vptr_is_using_builtin_delete{false},
-        vptr_is_external_shared_ptr{false} {}
-
-  bool has_pointee() const { return vptr.get() != nullptr; }
-
-  template <typename T>
-  void ensure_compatible_rtti_held(const char* context) const {
-    if (!rtti_held) {
-      throw std::runtime_error(std::string("Unpopulated holder (") + context +
-                               ").");
+    const std::type_info *rtti_held;
+    const std::type_info *rtti_uqp_del;
+    std::shared_ptr<void> vptr;
+    bool vptr_deleter_guard_flag;
+    bool vptr_is_using_noop_deleter : 1;
+    bool vptr_is_using_builtin_delete : 1;
+    bool vptr_is_external_shared_ptr : 1;
+
+    smart_holder()
+        : rtti_held{nullptr}, rtti_uqp_del{nullptr}, vptr_deleter_guard_flag{false},
+          vptr_is_using_noop_deleter{false}, vptr_is_using_builtin_delete{false},
+          vptr_is_external_shared_ptr{false} {}
+
+    bool has_pointee() const { return vptr.get() != nullptr; }
+
+    template <typename T>
+    void ensure_compatible_rtti_held(const char *context) const {
+        if (!rtti_held) {
+            throw std::runtime_error(std::string("Unpopulated holder (") + context + ").");
+        }
+        const std::type_info *rtti_requested = &typeid(T);
+        if (!(*rtti_requested == *rtti_held)) {
+            throw std::runtime_error(std::string("Incompatible type (") + context + ").");
+        }
     }
-    const std::type_info* rtti_requested = &typeid(T);
-    if (!(*rtti_requested == *rtti_held)) {
-      throw std::runtime_error(std::string("Incompatible type (") + context +
-                               ").");
+
+    template <typename D>
+    void ensure_compatible_rtti_uqp_del(const char *context) const {
+        if (!rtti_uqp_del) {
+            throw std::runtime_error(std::string("Missing unique_ptr deleter (") + context + ").");
+        }
+        const std::type_info *rtti_requested = &typeid(D);
+        if (!(*rtti_requested == *rtti_uqp_del)) {
+            throw std::runtime_error(std::string("Incompatible unique_ptr deleter (") + context
+                                     + ").");
+        }
     }
-  }
 
-  template <typename D>
-  void ensure_compatible_rtti_uqp_del(const char* context) const {
-    if (!rtti_uqp_del) {
-      throw std::runtime_error(std::string("Missing unique_ptr deleter (") +
-                               context + ").");
+    void ensure_has_pointee(const char *context) const {
+        if (!has_pointee()) {
+            throw std::runtime_error(std::string("Disowned holder (") + context + ").");
+        }
     }
-    const std::type_info* rtti_requested = &typeid(D);
-    if (!(*rtti_requested == *rtti_uqp_del)) {
-      throw std::runtime_error(
-          std::string("Incompatible unique_ptr deleter (") + context + ").");
+
+    void ensure_vptr_is_using_builtin_delete(const char *context) const {
+        if (vptr_is_external_shared_ptr) {
+            throw std::runtime_error(std::string("Cannot disown external shared_ptr (") + context
+                                     + ").");
+        }
+        if (vptr_is_using_noop_deleter) {
+            throw std::runtime_error(std::string("Cannot disown non-owning holder (") + context
+                                     + ").");
+        }
+        if (!vptr_is_using_builtin_delete) {
+            throw std::runtime_error(std::string("Cannot disown custom deleter (") + context
+                                     + ").");
+        }
     }
-  }
 
-  void ensure_has_pointee(const char* context) const {
-    if (!has_pointee()) {
-      throw std::runtime_error(std::string("Disowned holder (") + context +
-                               ").");
+    void ensure_use_count_1(const char *context) const {
+        if (vptr.get() == nullptr) {
+            throw std::runtime_error(std::string("Cannot disown nullptr (") + context + ").");
+        }
+        if (vptr.use_count() != 1) {
+            throw std::runtime_error(std::string("Cannot disown use_count != 1 (") + context
+                                     + ").");
+        }
     }
-  }
 
-  void ensure_vptr_is_using_builtin_delete(const char* context) const {
-    if (vptr_is_external_shared_ptr) {
-      throw std::runtime_error(
-          std::string("Cannot disown external shared_ptr (") + context + ").");
+    template <typename T>
+    static smart_holder from_raw_ptr_unowned(T *raw_ptr) {
+        smart_holder hld;
+        hld.rtti_held                  = &typeid(T);
+        hld.vptr_is_using_noop_deleter = true;
+        hld.vptr.reset(raw_ptr, guarded_builtin_delete<T>(&hld.vptr_deleter_guard_flag));
+        return hld;
     }
-    if (vptr_is_using_noop_deleter) {
-      throw std::runtime_error(
-          std::string("Cannot disown non-owning holder (") + context + ").");
+
+    template <typename T>
+    T *as_raw_ptr_unowned() const {
+        static const char *context = "as_raw_ptr_unowned";
+        ensure_compatible_rtti_held<T>(context);
+        return static_cast<T *>(vptr.get());
     }
-    if (!vptr_is_using_builtin_delete) {
-      throw std::runtime_error(std::string("Cannot disown custom deleter (") +
-                               context + ").");
+
+    template <typename T>
+    T &lvalue_ref() const {
+        static const char *context = "lvalue_ref";
+        ensure_compatible_rtti_held<T>(context);
+        ensure_has_pointee(context);
+        return *static_cast<T *>(vptr.get());
     }
-  }
 
-  void ensure_use_count_1(const char* context) const {
-    if (vptr.get() == nullptr) {
-      throw std::runtime_error(std::string("Cannot disown nullptr (") +
-                               context + ").");
+    template <typename T>
+    T &&rvalue_ref() const {
+        static const char *context = "rvalue_ref";
+        ensure_compatible_rtti_held<T>(context);
+        ensure_has_pointee(context);
+        return std::move(*static_cast<T *>(vptr.get()));
     }
-    if (vptr.use_count() != 1) {
-      throw std::runtime_error(std::string("Cannot disown use_count != 1 (") +
-                               context + ").");
+
+    template <typename T>
+    static smart_holder from_raw_ptr_take_ownership(T *raw_ptr) {
+        smart_holder hld;
+        hld.rtti_held                    = &typeid(T);
+        hld.vptr_deleter_guard_flag      = true;
+        hld.vptr_is_using_builtin_delete = true;
+        hld.vptr.reset(raw_ptr, guarded_builtin_delete<T>(&hld.vptr_deleter_guard_flag));
+        return hld;
+    }
+
+    template <typename T>
+    T *as_raw_ptr_release_ownership(const char *context = "as_raw_ptr_release_ownership") {
+        ensure_compatible_rtti_held<T>(context);
+        ensure_vptr_is_using_builtin_delete(context);
+        ensure_use_count_1(context);
+        T *raw_ptr              = static_cast<T *>(vptr.get());
+        vptr_deleter_guard_flag = false;
+        vptr.reset();
+        return raw_ptr;
+    }
+
+    template <typename T>
+    static smart_holder from_unique_ptr(std::unique_ptr<T> &&unq_ptr) {
+        smart_holder hld;
+        hld.rtti_held                    = &typeid(T);
+        hld.vptr_deleter_guard_flag      = true;
+        hld.vptr_is_using_builtin_delete = true;
+        hld.vptr.reset(unq_ptr.get(), guarded_builtin_delete<T>(&hld.vptr_deleter_guard_flag));
+        unq_ptr.release();
+        return hld;
+    }
+
+    template <typename T>
+    std::unique_ptr<T> as_unique_ptr() {
+        return std::unique_ptr<T>(as_raw_ptr_release_ownership<T>("as_unique_ptr"));
+    }
+
+    template <typename T, typename D>
+    static smart_holder from_unique_ptr_with_deleter(std::unique_ptr<T, D> &&unq_ptr) {
+        smart_holder hld;
+        hld.rtti_held               = &typeid(T);
+        hld.rtti_uqp_del            = &typeid(D);
+        hld.vptr_deleter_guard_flag = true;
+        hld.vptr.reset(unq_ptr.get(), guarded_custom_deleter<T, D>(&hld.vptr_deleter_guard_flag));
+        unq_ptr.release();
+        return hld;
+    }
+
+    template <typename T, typename D>
+    std::unique_ptr<T, D> as_unique_ptr_with_deleter() {
+        static const char *context = "as_unique_ptr_with_deleter";
+        ensure_compatible_rtti_held<T>(context);
+        ensure_compatible_rtti_uqp_del<D>(context);
+        ensure_use_count_1(context);
+        T *raw_ptr              = static_cast<T *>(vptr.get());
+        vptr_deleter_guard_flag = false;
+        vptr.reset();
+        return std::unique_ptr<T, D>(raw_ptr);
+    }
+
+    template <typename T>
+    static smart_holder from_shared_ptr(std::shared_ptr<T> shd_ptr) {
+        smart_holder hld;
+        hld.rtti_held                   = &typeid(T);
+        hld.vptr_is_external_shared_ptr = true;
+        hld.vptr                        = std::static_pointer_cast<void>(shd_ptr);
+        return hld;
+    }
+
+    template <typename T>
+    std::shared_ptr<T> as_shared_ptr() const {
+        static const char *context = "as_shared_ptr";
+        ensure_compatible_rtti_held<T>(context);
+        return std::static_pointer_cast<T>(vptr);
     }
-  }
-
-  template <typename T>
-  static smart_holder from_raw_ptr_unowned(T* raw_ptr) {
-    smart_holder hld;
-    hld.rtti_held = &typeid(T);
-    hld.vptr_is_using_noop_deleter = true;
-    hld.vptr.reset(raw_ptr,
-                   guarded_builtin_delete<T>(&hld.vptr_deleter_guard_flag));
-    return hld;
-  }
-
-  template <typename T>
-  T* as_raw_ptr_unowned() const {
-    static const char* context = "as_raw_ptr_unowned";
-    ensure_compatible_rtti_held<T>(context);
-    return static_cast<T*>(vptr.get());
-  }
-
-  template <typename T>
-  T& lvalue_ref() const {
-    static const char* context = "lvalue_ref";
-    ensure_compatible_rtti_held<T>(context);
-    ensure_has_pointee(context);
-    return *static_cast<T*>(vptr.get());
-  }
-
-  template <typename T>
-  T&& rvalue_ref() const {
-    static const char* context = "rvalue_ref";
-    ensure_compatible_rtti_held<T>(context);
-    ensure_has_pointee(context);
-    return std::move(*static_cast<T*>(vptr.get()));
-  }
-
-  template <typename T>
-  static smart_holder from_raw_ptr_take_ownership(T* raw_ptr) {
-    smart_holder hld;
-    hld.rtti_held = &typeid(T);
-    hld.vptr_deleter_guard_flag = true;
-    hld.vptr_is_using_builtin_delete = true;
-    hld.vptr.reset(raw_ptr,
-                   guarded_builtin_delete<T>(&hld.vptr_deleter_guard_flag));
-    return hld;
-  }
-
-  template <typename T>
-  T* as_raw_ptr_release_ownership(
-      const char* context = "as_raw_ptr_release_ownership") {
-    ensure_compatible_rtti_held<T>(context);
-    ensure_vptr_is_using_builtin_delete(context);
-    ensure_use_count_1(context);
-    T* raw_ptr = static_cast<T*>(vptr.get());
-    vptr_deleter_guard_flag = false;
-    vptr.reset();
-    return raw_ptr;
-  }
-
-  template <typename T>
-  static smart_holder from_unique_ptr(std::unique_ptr<T>&& unq_ptr) {
-    smart_holder hld;
-    hld.rtti_held = &typeid(T);
-    hld.vptr_deleter_guard_flag = true;
-    hld.vptr_is_using_builtin_delete = true;
-    hld.vptr.reset(unq_ptr.get(),
-                   guarded_builtin_delete<T>(&hld.vptr_deleter_guard_flag));
-    unq_ptr.release();
-    return hld;
-  }
-
-  template <typename T>
-  std::unique_ptr<T> as_unique_ptr() {
-    return std::unique_ptr<T>(as_raw_ptr_release_ownership<T>("as_unique_ptr"));
-  }
-
-  template <typename T, typename D>
-  static smart_holder from_unique_ptr_with_deleter(
-      std::unique_ptr<T, D>&& unq_ptr) {
-    smart_holder hld;
-    hld.rtti_held = &typeid(T);
-    hld.rtti_uqp_del = &typeid(D);
-    hld.vptr_deleter_guard_flag = true;
-    hld.vptr.reset(unq_ptr.get(),
-                   guarded_custom_deleter<T, D>(&hld.vptr_deleter_guard_flag));
-    unq_ptr.release();
-    return hld;
-  }
-
-  template <typename T, typename D>
-  std::unique_ptr<T, D> as_unique_ptr_with_deleter() {
-    static const char* context = "as_unique_ptr_with_deleter";
-    ensure_compatible_rtti_held<T>(context);
-    ensure_compatible_rtti_uqp_del<D>(context);
-    ensure_use_count_1(context);
-    T* raw_ptr = static_cast<T*>(vptr.get());
-    vptr_deleter_guard_flag = false;
-    vptr.reset();
-    return std::unique_ptr<T, D>(raw_ptr);
-  }
-
-  template <typename T>
-  static smart_holder from_shared_ptr(std::shared_ptr<T> shd_ptr) {
-    smart_holder hld;
-    hld.rtti_held = &typeid(T);
-    hld.vptr_is_external_shared_ptr = true;
-    hld.vptr = std::static_pointer_cast<void>(shd_ptr);
-    return hld;
-  }
-
-  template <typename T>
-  std::shared_ptr<T> as_shared_ptr() const {
-    static const char* context = "as_shared_ptr";
-    ensure_compatible_rtti_held<T>(context);
-    return std::static_pointer_cast<T>(vptr);
-  }
 };
 
-}  // namespace memory
-}  // namespace pybindit
+} // namespace memory
+} // namespace pybindit