refine(win): dedup IO_REPARSE_TAG_SYMLINK,IO_REPARSE_TAG_MOUNT_POINT

Author: litlighilit

src/pylib/Lib/os_impl/posix_like/links.nim

@@ -26,7 +26,7 @@ when InJs:
       )
 else:
   when defined(windows):
-    import std/winlean
+    import ../util/mywinlean
     type
       LPVOID = pointer
       LPDWORD = ptr DWORD
@@ -158,9 +158,6 @@ else:
           result.add chr(0xFFFD shr 6 and ones(6) or 0b10_0000_00)
           result.add chr(0xFFFD and ones(6) or 0b10_0000_00)
 
-    const
-      IO_REPARSE_TAG_SYMLINK = ULONG 0xA000000C
-      IO_REPARSE_TAG_MOUNT_POINT = ULONG 0xA0000003
     # _Py_MAXIMUM_REPARSE_DATA_BUFFER_SIZE  ( 16 * 1024 )
 
     const REPARSE_BUFSIZE = 16 * 1024

src/pylib/Lib/os_impl/util/mywinlean.nim

@@ -146,10 +146,13 @@ const
 
   GENERIC_READ* = cast[DWORD](0x80000000)
 
-  IO_REPARSE_TAG_SYMLINK* = 0xA000000C
+  IO_REPARSE_TAG_SYMLINK* = cast[DWORD](0xA000000C)
 
   FILE_READ_ATTRIBUTES* = 128
 
+  FILE_ATTRIBUTE_REPARSE_POINT* = cast[DWORD](0x400)
+  IO_REPARSE_TAG_MOUNT_POINT* = cast[DWORD](0xA0000003)
+
 let
   INVALID_FILE_ATTRIBUTES*{.importc, header: "<WinNT.h>".}: DWORD
 

src/pylib/Lib/stat_impl/consts.nim

@@ -114,6 +114,9 @@ definition are defined on these versions of macOS.]#
 #const stat_filemode_doc = "Convert a file's mode to a string of the form '-rwxrwxrwx'"
 
 when DW:
+  import ../os_impl/util/mywinlean
+  template exp(name) =
+    const name* = int(mywinlean.name)
   template impExp(name) =
     let 
       `c name`{.importc: astToStr(name), header: WINNT_H.}: cint
@@ -138,6 +141,6 @@ when DW:
   impExp(FILE_ATTRIBUTE_TEMPORARY)
   impExp(FILE_ATTRIBUTE_VIRTUAL)
 
-  impExp(IO_REPARSE_TAG_SYMLINK)
-  impExp(IO_REPARSE_TAG_MOUNT_POINT)
+  exp(IO_REPARSE_TAG_SYMLINK)
+  exp(IO_REPARSE_TAG_MOUNT_POINT)
   #impExp(IO_REPARSE_TAG_APPEXECLINK)