feat: LibC++: work in progress placement new system.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

2 files changed, 29 insertions, 11 deletions

diff --git a/dev/LibC++/filesystem.h b/dev/LibC++/filesystem.h
index 59e73a0..0a1a39a 100644
--- a/dev/LibC++/filesystem.h
+++ b/dev/LibC++/filesystem.h
@@ -9,6 +9,8 @@
 
 #include <LibC++/defines.h>
 
+/// @brief Filesystem module for LibC++
+
 namespace std {
 class path;
 class filesystem_error;
diff --git a/dev/LibC++/new.h b/dev/LibC++/new.h
index f20dc3f..3ac60d7 100644
--- a/dev/LibC++/new.h
+++ b/dev/LibC++/new.h
@@ -8,21 +8,37 @@
 
 #include <LibC++/defines.h>
 
-struct __placement_new_info;
+namespace std {
+struct placement_new;
+
+/// =========================================================
+/// @brief Disambugate non-throwing allocation functions.
+/// =========================================================
+struct nothrow_t {
+  explicit nothrow_t() = default;
+};
+
+/// =========================================================
+/// @brief Placement new metadata.
+/// =========================================================
+struct placement_new {
+  void*     __base;
+  int       __align;
+  long long __size;
+};
+
+using placement_new_t = placement_new;
+}  // namespace std
 
 void* operator new(size_t);
 void* operator new[](size_t);
 
+void* operator new(size_t, const std::nothrow_t&) noexcept;
+void* operator new(size_t, void*) noexcept;
+void* operator new[](size_t, const std::nothrow_t&) noexcept;
+void* operator new[](size_t, void*) noexcept;
+
 void operator delete(void*) noexcept;
-void operator delete(void*, unsigned long) noexcept;
+void operator delete(void*, size_t) noexcept;
 
 void operator delete[](void*) noexcept;
-
-/// =========================================================
-/// @brief Placement new information structure
-/// =========================================================
-struct __placement_new_info {
-  void* __base;
-  int __align;
-  long long __size;
-};
\ No newline at end of file