From df1ef68cd8e8582724ce1192bfc202e0b9aeaf0c Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Tue, 28 Sep 2021 19:24:31 +0300
Subject: Get rid of C++ modules related code and rename *.mxx files to *.hxx

---
 libbutl/small-forward-list.mxx | 159 -----------------------------------------
 1 file changed, 159 deletions(-)
 delete mode 100644 libbutl/small-forward-list.mxx

(limited to 'libbutl/small-forward-list.mxx')

diff --git a/libbutl/small-forward-list.mxx b/libbutl/small-forward-list.mxx
deleted file mode 100644
index 6aa4986..0000000
--- a/libbutl/small-forward-list.mxx
+++ /dev/null
@@ -1,159 +0,0 @@
-// file      : libbutl/small-forward-list.mxx -*- C++ -*-
-// license   : MIT; see accompanying LICENSE file
-
-#ifndef __cpp_modules_ts
-#pragma once
-#endif
-
-#ifndef __cpp_lib_modules_ts
-#include <cstddef>      // size_t
-#include <utility>      // move()
-#include <forward_list>
-#endif
-
-// Other includes.
-
-#ifdef __cpp_modules_ts
-export module butl.small_forward_list;
-#ifdef __cpp_lib_modules_ts
-import std.core;
-#endif
-import butl.small_allocator;
-#else
-#include <libbutl/small-allocator.mxx>
-#endif
-
-#include <libbutl/export.hxx>
-
-LIBBUTL_MODEXPORT namespace butl
-{
-  // Issues and limitations.
-  //
-  // - Because small_allocator currently expects us to allocate the entire
-  //   small buffer and there is no reserve() in std::forward_list, we
-  //   currently only support N==1 (which we static_assert).
-  //
-  // - swap() is deleted (see notes below).
-  //
-  // - The implementation doesn't allocate T but rather a "node" that normally
-  //   consists of a pointers (next) and T.
-  //
-  template <typename T>
-  using small_forward_list_node =
-#if   defined (_MSC_VER)
-  std::_Flist_node<T, void*>;
-#elif defined (__GLIBCXX__)
-  std::_Fwd_list_node<T>;
-#elif defined (_LIBCPP_VERSION)
-  std::__forward_list_node<T, void*>;
-#else
-#error unknown standard library implementation
-#endif
-
-  template <typename T, std::size_t N>
-  using small_forward_list_buffer =
-    small_allocator_buffer<small_forward_list_node<T>, N>;
-
-  template <typename T, std::size_t N>
-  class small_forward_list:
-    private small_forward_list_buffer<T, N>,
-    public std::forward_list<T,
-                             small_allocator<T,
-                                             N,
-                                             small_forward_list_buffer<T, N>>>
-  {
-    static_assert (N == 1, "only small_forward_list or 1 currently supported");
-
-  public:
-    static constexpr const std::size_t small_size = N;
-
-    using buffer_type = small_forward_list_buffer<T, N>;
-    using allocator_type = small_allocator<T, N, buffer_type>;
-    using base_type = std::forward_list<T, allocator_type>;
-
-    small_forward_list ()
-      : base_type (allocator_type (this)) {}
-
-    small_forward_list (std::initializer_list<T> v)
-      : base_type (allocator_type (this))
-    {
-      static_cast<base_type&> (*this) = v;
-    }
-
-    template <typename I>
-    small_forward_list (I b, I e)
-      : base_type (allocator_type (this))
-    {
-      this->assign (b, e);
-    }
-
-    explicit
-    small_forward_list (std::size_t n)
-      : base_type (allocator_type (this))
-    {
-      this->resize (n);
-    }
-
-    small_forward_list (std::size_t n, const T& x)
-      : base_type (allocator_type (this))
-    {
-      this->assign (n, x);
-    }
-
-    small_forward_list (const small_forward_list& v)
-      : buffer_type (), base_type (allocator_type (this))
-    {
-      static_cast<base_type&> (*this) = v;
-    }
-
-    small_forward_list&
-    operator= (const small_forward_list& v)
-    {
-      // Note: propagate_on_container_copy_assignment = false
-      //
-      static_cast<base_type&> (*this) = v;
-      return *this;
-    }
-
-    small_forward_list (small_forward_list&& v)
-      : base_type (allocator_type (this))
-    {
-      *this = std::move (v); // Delegate to operator=(&&).
-    }
-
-    small_forward_list&
-    operator= (small_forward_list&& v)
-    {
-      // VC14's implementation of operator=(&&) swaps pointers without regard
-      // for allocator (fixed in 15).
-      //
-#if defined(_MSC_VER) && _MSC_VER <= 1900
-      clear ();
-      for (T& x: v)
-        push_front (std::move (x));
-      reverse ();
-      v.clear ();
-#else
-      // Note: propagate_on_container_move_assignment = false
-      //
-      static_cast<base_type&> (*this) = std::move (v);
-#endif
-
-      return *this;
-    }
-
-    small_forward_list&
-    operator= (std::initializer_list<T> v)
-    {
-      static_cast<base_type&> (*this) = v;
-      return *this;
-    }
-
-    // Implementing swap() under small buffer optimization is not trivial, to
-    // say the least (think of swapping two such buffers of different sizes).
-    // One easy option would be to force both in to the heap.
-    //
-    void
-    swap (small_forward_list&) = delete;
-  };
-}
-- 
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