q66 pushed a commit to branch master.

http://git.enlightenment.org/core/efl.git/commit/?id=a928dba502776e7561b2de7a3ab606f68e31de07

commit a928dba502776e7561b2de7a3ab606f68e31de07
Author: Daniel Kolesa <[email protected]>
Date:   Thu May 21 17:45:43 2020 +0200

    elua: prepare for compatibility with cffi-lua (use ffi.nullptr)
    
    This is necessary because the LuaJIT FFI implements the null
    pointer to nil equality behavior, which is not possible to
    do in standard Lua (as equality metamethod needs identical types
    to trigger).
    
    So replace it with ffi.nullptr as cffi-lua implements; in luajit
    ffi.nullptr will just become nil and it'll work like before.
---
 src/bindings/luajit/eina/accessor.lua |   6 +-
 src/bindings/luajit/eina/counter.lua  |   2 +-
 src/bindings/luajit/eina/file.lua     |   6 +-
 src/bindings/luajit/eina/iterator.lua |   4 +-
 src/bindings/luajit/eina/list.lua     |  46 +++++----
 src/bindings/luajit/eina/xattr.lua    |   4 +-
 src/bindings/luajit/eo.lua            |   6 +-
 src/bindings/luajit/eolian.lua        | 176 +++++++++++++++++-----------------
 8 files changed, 128 insertions(+), 122 deletions(-)

diff --git a/src/bindings/luajit/eina/accessor.lua 
b/src/bindings/luajit/eina/accessor.lua
index 55afa62427..d2068fc8b5 100644
--- a/src/bindings/luajit/eina/accessor.lua
+++ b/src/bindings/luajit/eina/accessor.lua
@@ -46,12 +46,12 @@ ffi.metatype("Eina_Accessor", {
         unlock = function(self) return eina.eina_accessor_unlock(self) ~= 0 
end,
         clone  = function(self)
             local v = eina.eina_accessor_clone(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
         container_get = function(self)
             local v = eina.eina_accessor_container_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end
     }
@@ -64,7 +64,7 @@ local dgetmt = debug.getmetatable
 M.Accessor = util.Readonly_Object:clone {
     __ctor = function(self, selfmt, acc)
         -- prevent null stuff
-        if acc == nil then acc = nil end
+        if acc == ffi.nullptr then acc = nil end
         if acc then ffi.gc(acc, acc.free) end
         selfmt.__eq = function(self, other)
             return selfmt.__accessor == dgetmt(other).__accessor
diff --git a/src/bindings/luajit/eina/counter.lua 
b/src/bindings/luajit/eina/counter.lua
index b0b9829ad4..6a9ba33284 100644
--- a/src/bindings/luajit/eina/counter.lua
+++ b/src/bindings/luajit/eina/counter.lua
@@ -51,7 +51,7 @@ M.Counter = ffi.metatype("Eina_Counter", {
 
         dump = function(self)
             local v = eina.eina_counter_dump(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             local r = ffi.string(v)
             C.free(v)
             return r
diff --git a/src/bindings/luajit/eina/file.lua 
b/src/bindings/luajit/eina/file.lua
index 675b810a17..3f59391b60 100644
--- a/src/bindings/luajit/eina/file.lua
+++ b/src/bindings/luajit/eina/file.lua
@@ -236,7 +236,7 @@ M.direct_ls = function(dir) return Direct_Ls_Iterator(dir) 
end
 
 M.path_sanitize = function(path)
     local v = eina.eina_file_path_sanitize(path)
-    if v == nil then return nil end
+    if v == ffi.nullptr then return nil end
     local r = ffi.string(v)
     C.free(v)
     return r
@@ -358,7 +358,7 @@ M.File = ffi.metatype("Eina_File", {
 
         map_all = function(self, rule, raw)
             local v = ffi.cast("char*", eina.eina_file_map_all(self, rule or 
0))
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             if not raw then
                 local r = ffi.string(v)
                 self:map_free(v)
@@ -370,7 +370,7 @@ M.File = ffi.metatype("Eina_File", {
         map_new = function(self, rule, offset, length, raw)
             local v = ffi.cast("char*", eina.eina_file_map_new(self, rule or 0,
                 offset or 0, length))
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             if not raw then
                 local r = ffi.string(v, length)
                 self:map_free(v)
diff --git a/src/bindings/luajit/eina/iterator.lua 
b/src/bindings/luajit/eina/iterator.lua
index dc5d0da8b2..196a968500 100644
--- a/src/bindings/luajit/eina/iterator.lua
+++ b/src/bindings/luajit/eina/iterator.lua
@@ -43,7 +43,7 @@ ffi.metatype("Eina_Iterator", {
         unlock = function(self) return eina.eina_iterator_unlock(self) ~= 0 
end,
         container_get = function(self)
             local v = eina.eina_iterator_container_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end
     }
@@ -56,7 +56,7 @@ local dgetmt = debug.getmetatable
 M.Iterator = util.Readonly_Object:clone {
     __ctor = function(self, selfmt, iter)
         -- prevent null stuff
-        if iter == nil then iter = nil end
+        if iter == ffi.nullptr then iter = nil end
         if iter then ffi.gc(iter, iter.free) end
         selfmt.__eq = function(self, other)
             return selfmt.__iterator == dgetmt(other).__iterator
diff --git a/src/bindings/luajit/eina/list.lua 
b/src/bindings/luajit/eina/list.lua
index aebfa348c1..4c0bc6bd17 100644
--- a/src/bindings/luajit/eina/list.lua
+++ b/src/bindings/luajit/eina/list.lua
@@ -83,7 +83,9 @@ local dgetmt = debug.getmetatable
 
 local List_Iterator = Iterator:clone {
     __ctor = function(self, selfmt, list)
-        if list == nil then return Iterator.__ctor(self, selfmt, nil) end
+        if not list or list == ffi.nullptr then
+            return Iterator.__ctor(self, selfmt, nil)
+        end
         selfmt.__list = list
         return Iterator.__ctor(self, selfmt,
             eina.eina_list_iterator_new(dgetmt(list).__list))
@@ -98,7 +100,9 @@ local List_Iterator = Iterator:clone {
 
 local List_Reverse_Iterator = Iterator:clone {
     __ctor = function(self, selfmt, list)
-        if list == nil then return Iterator.__ctor(self, selfmt, nil) end
+        if not list or list == ffi.nullptr then
+            return Iterator.__ctor(self, selfmt, nil)
+        end
         selfmt.__list = list
         return Iterator.__ctor(self, selfmt,
             eina.eina_list_iterator_reversed_new(dgetmt(list).__list))
@@ -115,7 +119,9 @@ local Accessor = accessor.Accessor
 
 local List_Accessor = Accessor:clone {
     __ctor = function(self, selfmt, list)
-        if list == nil then return Accessor.__ctor(self, selfmt, nil) end
+        if not list or list == ffi.nullptr then
+            return Accessor.__ctor(self, selfmt, nil)
+        end
         selfmt.__list = list
         return Accessor.__ctor(self, selfmt,
             eina.eina_list_accessor_new(dgetmt(list).__list))
@@ -141,37 +147,37 @@ local List = ffi.metatype("Eina_List", {
         data_get = function(self, ptr)
             if ptr ~= nil then return ptr end
             local v = get_list_t(self).data
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         nth = function(self, n)
             local v = eina.eina_list_nth(self, n - 1)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return self:data_get(v)
         end,
 
         nth_list = function(self, n)
             local v = eina.eina_list_nth_list(self, n - 1)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         last = function(self)
             local v = get_list_t(self).accounting.last
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         next = function(self)
             local v = get_list_t(self).next
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         prev = function(self)
             local v = get_list_t(self).prev
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end
     }
@@ -183,7 +189,7 @@ local List_Base = util.Readonly_Object:clone {
             list = ffi.gc(list, freefunc)
             selfmt.__free = freefunc
         end
-        if list == nil then return end
+        if not list or list == ffi.nullptr then return end
         selfmt.__eq = function(self, other)
             return selfmt.__list == dgetmt(other).__list
         end
@@ -194,62 +200,62 @@ local List_Base = util.Readonly_Object:clone {
     free = function(self)
         self = dgetmt(self)
         local  ffunc, l = self.__free, self.__list
-        if not ffunc or l == nil then return end
+        if not ffunc or not l or l == ffi.nullptr then return end
         ffunc(ffi.gc(self.__list, nil))
     end,
 
     count = function(self)
         self = dgetmt(self)
         local l = self.__list
-        if l == nil then return 0 end
+        if not l or l == ffi.nullptr then return 0 end
         return #l
     end,
 
     nth = function(self, n)
         self = dgetmt(self)
         local l = self.__list
-        if l == nil then return nil end
+        if not l or l == ffi.nullptr then return nil end
         return l:nth()
     end,
 
     nth_list = function(self, n)
         self = dgetmt(self)
         local l = self.__list
-        if l == nil then return nil end
+        if not l or l == ffi.nullptr then return nil end
         return self.__index(l:nth_list())
     end,
 
     last = function(self, n)
         self = dgetmt(self)
         local l = self.__list
-        if l == nil then return nil end
+        if not l or l == ffi.nullptr then return nil end
         return self.__index(l:last())
     end,
 
     next = function(self, n)
         self = dgetmt(self)
         local l = self.__list
-        if l == nil then return nil end
+        if not l or l == ffi.nullptr then return nil end
         return self.__index(l:next())
     end,
 
     prev = function(self, n)
         self = dgetmt(self)
         local l = self.__list
-        if l == nil then return nil end
+        if not l or l == ffi.nullptr then return nil end
         return self.__index(l:prev())
     end,
 
     data_get = function(self, ptr)
         self = dgetmt(self)
         local l = self.__list
-        if l == nil then return nil end
+        if not l or l == ffi.nullptr then return nil end
         return l:data_get(ptr)
     end,
 
     to_array = function(self)
         local l = dgetmt(self).__list
-        if l == nil then return {}, 0 end
+        if not l or l == ffi.nullptr then return {}, 0 end
         local n = 0
         local r = {}
         while l ~= nil do
@@ -293,7 +299,7 @@ M.Ptr_List = List_Base:clone {
 M.String_List = List_Base:clone {
     data_get = function(self, ptr)
         ptr = List_Base.data_get(self, ptr)
-        if ptr == nil then return nil end
+        if not ptr or ptr == ffi.nullptr then return nil end
         return ffi.string(ptr)
     end
 }
diff --git a/src/bindings/luajit/eina/xattr.lua 
b/src/bindings/luajit/eina/xattr.lua
index 192d39b85f..3e2417d194 100644
--- a/src/bindings/luajit/eina/xattr.lua
+++ b/src/bindings/luajit/eina/xattr.lua
@@ -98,7 +98,7 @@ end
 M.get = function(file, attribute)
     local size = ffi.new("size_t[1]")
     local v = eina.eina_xattr_get(file, attribute, size)
-    if v == nil then return nil end
+    if v == ffi.nullptr then return nil end
     local r = ffi.string(v, size[0])
     C.free(v)
     return r
@@ -126,7 +126,7 @@ end
 
 M.string_get = function(file, attribute)
     local v = eina.eina_xattr_string_get(file, attribute)
-    if v == nil then return nil end
+    if v == ffi.nullptr then return nil end
     local r = ffi.string(v)
     C.free(v)
     return r
diff --git a/src/bindings/luajit/eo.lua b/src/bindings/luajit/eo.lua
index bebe733853..42531aa153 100644
--- a/src/bindings/luajit/eo.lua
+++ b/src/bindings/luajit/eo.lua
@@ -337,7 +337,7 @@ end
 
 local get_obj_mt = function(obj)
     local cl = eo.eo_class_get(obj)
-    if cl == nil then return nil end
+    if cl == ffi.nullptr then return nil end
     return classes[eo_obj_addr_get(cl)]
 end
 
@@ -416,7 +416,7 @@ ffi.metatype("Eo", {
     -- handles property getting with no keys and also properties with keys
     __index = function(self, key)
         local mt = get_obj_mt(self)
-        if mt == nil then return nil end
+        if not mt then return nil end
         local pt = mt.__properties
         local pp = pt[key]
         if not pp then
@@ -444,7 +444,7 @@ ffi.metatype("Eo", {
     -- handles property setting with no keys
     __newindex = function(self, key, val)
         local mt = get_obj_mt(self)
-        if mt == nil then return nil end
+        if not mt then return nil end
         local pt = mt.__properties
         local pp = pt[key]
         if not pp then
diff --git a/src/bindings/luajit/eolian.lua b/src/bindings/luajit/eolian.lua
index 93499df6a5..7bd8f96894 100644
--- a/src/bindings/luajit/eolian.lua
+++ b/src/bindings/luajit/eolian.lua
@@ -556,7 +556,7 @@ local object_idx, wrap_object = gen_wrap {
 
     unit_get = function(self)
         local v = eolian.eolian_object_unit_get(cast_obj(self))
-        if v == nil then
+        if v == ffi.nullptr then
             return nil
         end
         return v
@@ -572,7 +572,7 @@ local object_idx, wrap_object = gen_wrap {
 
     file_get = function(self)
         local v = eolian.eolian_object_file_get(cast_obj(self))
-        if v == nil then
+        if v == ffi.nullptr then
             return nil
         end
         return ffi.string(v)
@@ -580,7 +580,7 @@ local object_idx, wrap_object = gen_wrap {
 
     name_get = function(self)
         local v = eolian.eolian_object_name_get(cast_obj(self))
-        if v == nil then
+        if v == ffi.nullptr then
             return nil
         end
         return ffi.string(v)
@@ -588,7 +588,7 @@ local object_idx, wrap_object = gen_wrap {
 
     c_name_get = function(self)
         local v = eolian.eolian_object_c_name_get(cast_obj(self))
-        if v == nil then
+        if v == ffi.nullptr then
             return nil
         end
         return ffi.string(v)
@@ -596,7 +596,7 @@ local object_idx, wrap_object = gen_wrap {
 
     short_name_get = function(self)
         local v = eolian.eolian_object_short_name_get(cast_obj(self))
-        if v == nil then
+        if v == ffi.nullptr then
             return nil
         end
         return ffi.string(v)
@@ -617,7 +617,7 @@ ffi.metatype("Eolian_Object", { __index = object_idx })
 local unit_idx, wrap_unit = gen_wrap {
     state_get = function(self)
         local v = eolian.eolian_unit_state_get(cast_unit(self))
-        if v == nil then return nil end
+        if v == ffi.nullptr then return nil end
         return v
     end,
 
@@ -628,13 +628,13 @@ local unit_idx, wrap_unit = gen_wrap {
 
     file_get = function(self)
         local v = eolian.eolian_unit_file_get(cast_unit(self))
-        if v == nil then return nil end
+        if v == ffi.nullptr then return nil end
         return ffi.string(v)
     end,
 
     file_path_get = function(self)
         local v = eolian.eolian_unit_file_path_get(cast_unit(self))
-        if v == nil then return nil end
+        if v == ffi.nullptr then return nil end
         return ffi.string(v)
     end,
 
@@ -644,7 +644,7 @@ local unit_idx, wrap_unit = gen_wrap {
 
     object_by_name_get = function(self, name)
         local v = eolian.eolian_unit_object_by_name_get(cast_unit(self), name)
-        if v == nil then return nil end
+        if v == ffi.nullptr then return nil end
         return v
     end,
 
@@ -655,7 +655,7 @@ local unit_idx, wrap_unit = gen_wrap {
 
     class_by_name_get = function(self, cname)
         local v = eolian.eolian_unit_class_by_name_get(cast_unit(self), cname)
-        if v == nil then return nil end
+        if v == ffi.nullptr then return nil end
         return v
     end,
 
@@ -666,13 +666,13 @@ local unit_idx, wrap_unit = gen_wrap {
 
     constant_by_name_get = function(self, name)
         local v = eolian.eolian_unit_constant_by_name_get(cast_unit(self), 
name)
-        if v == nil then return nil end
+        if v == ffi.nullptr then return nil end
         return v
     end,
 
     error_by_name_get = function(self, name)
         local v = eolian.eolian_unit_error_by_name_get(cast_unit(self), name)
-        if v == nil then return nil end
+        if v == ffi.nullptr then return nil end
         return v
     end,
 
@@ -688,19 +688,19 @@ local unit_idx, wrap_unit = gen_wrap {
 
     alias_by_name_get = function(self, name)
         local v = eolian.eolian_unit_alias_by_name_get(cast_unit(self), name)
-        if v == nil then return nil end
+        if v == ffi.nullptr then return nil end
         return v
     end,
 
     struct_by_name_get = function(self, name)
         local v = eolian.eolian_unit_struct_by_name_get(cast_unit(self), name)
-        if v == nil then return nil end
+        if v == ffi.nullptr then return nil end
         return v
     end,
 
     enum_by_name_get = function(self, name)
         local v = eolian.eolian_unit_enum_by_name_get(cast_unit(self), name)
-        if v == nil then return nil end
+        if v == ffi.nullptr then return nil end
         return v
     end,
 
@@ -769,7 +769,7 @@ ffi.metatype("Eolian_State", {
 
         file_parse = function(self, fname)
             local v = eolian.eolian_state_file_parse(self, fname)
-            if v == nil then
+            if v == ffi.nullptr then
                 return nil
             end
             return v
@@ -777,7 +777,7 @@ ffi.metatype("Eolian_State", {
 
         file_path_parse = function(self, fpath)
             local v = eolian.eolian_state_file_path_parse(self, fpath)
-            if v == nil then
+            if v == ffi.nullptr then
                 return nil
             end
             return v
@@ -817,7 +817,7 @@ ffi.metatype("Eolian_State", {
 
         unit_by_file_get = function(self, fname)
             local v = eolian.eolian_state_unit_by_file_get(state, fname)
-            if v == nil then
+            if v == ffi.nullptr then
                 return nil
             end
             return v
@@ -835,7 +835,7 @@ ffi.metatype("Eolian_State", {
 
         class_by_file_get = function(self, fname)
             local v = eolian.eolian_state_class_by_file_get(self, fname)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -961,13 +961,13 @@ ffi.metatype("Eolian_Struct_Type_Field", {
     __index = wrap_object {
         documentation_get = function(self)
             local v = 
eolian.eolian_typedecl_struct_field_documentation_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         type_get = function(self)
             local v = eolian.eolian_typedecl_struct_field_type_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -985,19 +985,19 @@ ffi.metatype("Eolian_Enum_Type_Field", {
     __index = wrap_object {
         c_name_get = function(self)
             local v = eolian.eolian_typedecl_enum_field_c_constant_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi_stringshare(v)
         end,
 
         documentation_get = function(self)
             local v = eolian.eolian_typedecl_enum_field_documentation_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         value_get = function(self, force)
             local v = eolian.eolian_typedecl_enum_field_value_get(self, force 
and 1 or 0)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end
     }
@@ -1016,7 +1016,7 @@ M.Typedecl = ffi.metatype("Eolian_Typedecl", {
 
         struct_field_get = function(self, name)
             local v = eolian.eolian_typedecl_struct_field_get(self, name)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -1027,31 +1027,31 @@ M.Typedecl = ffi.metatype("Eolian_Typedecl", {
 
         enum_field_get = function(self, field)
             local v = eolian.eolian_typedecl_enum_field_get(self, field)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         enum_legacy_prefix_get = function(self)
             local v = eolian.eolian_typedecl_enum_legacy_prefix_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi.string(v)
         end,
 
         documentation_get = function(self, name)
             local v = eolian.eolian_typedecl_documentation_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         base_type_get = function(self)
             local v = eolian.eolian_typedecl_base_type_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         aliased_base_get = function(self)
             local v = eolian.eolian_typedecl_aliased_byse_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -1061,19 +1061,19 @@ M.Typedecl = ffi.metatype("Eolian_Typedecl", {
 
         c_type_get = function(self)
             local v = eolian.eolian_typedecl_c_type_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi_stringshare(v)
         end,
 
         free_func_get = function(self)
             local v = eolian.eolian_typedecl_free_func_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi.string(v)
         end,
 
         function_pointer_get = function(self)
             local v = eolian.eolian_typedecl_function_pointer_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end
     }
@@ -1091,37 +1091,37 @@ M.Type = ffi.metatype("Eolian_Type", {
 
         base_type_get = function(self)
             local v = eolian.eolian_type_base_type_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         next_type_get = function(self)
             local v = eolian.eolian_type_next_type_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         typedecl_get = function(self)
             local v = eolian.eolian_type_typedecl_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         aliased_base_get = function(self)
             local v = eolian.eolian_type_aliased_byse_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         class_get = function(self)
             local v = eolian.eolian_type_class_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         error_get = function(self)
             local v = eolian.eolian_type_error_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -1139,7 +1139,7 @@ M.Type = ffi.metatype("Eolian_Type", {
 
         c_type_get = function(self)
             local v = eolian.eolian_type_c_type_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi_stringshare(v)
         end
     }
@@ -1166,13 +1166,13 @@ M.Function = ffi.metatype("Eolian_Function", {
 
         full_c_name_get = function(self, ftype)
             local v = eolian.eolian_function_full_c_name_get(self, ftype)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi_stringshare(v)
         end,
 
         implement_get = function(self)
             local v = eolian.eolian_function_implement_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -1205,19 +1205,19 @@ M.Function = ffi.metatype("Eolian_Function", {
 
         return_type_get = function(self, ftype)
             local v = eolian.eolian_function_return_type_get(self, ftype)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         return_default_value_get = function(self, ftype)
             local v = eolian.eolian_function_return_default_value_get(self, 
ftype)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         return_documentation_get = function(self, ftype)
             local v = eolian.eolian_function_return_documentation_get(self, 
ftype)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -1240,7 +1240,7 @@ M.Function = ffi.metatype("Eolian_Function", {
 
         class_get = function(self)
             local v = eolian.eolian_function_class_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end
     }
@@ -1261,19 +1261,19 @@ ffi.metatype("Eolian_Function_Parameter", {
 
         type_get = function(self)
             local v = eolian.eolian_parameter_type_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         default_value_get = function(self)
             local v = eolian.eolian_parameter_default_value_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         documentation_get = function(self)
             local v = eolian.eolian_parameter_documentation_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -1295,26 +1295,26 @@ ffi.metatype("Eolian_Implement", {
     __index = wrap_object {
         class_get = function(self)
             local v = eolian.eolian_implement_class_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         implementing_class_get = function(self)
             local v = eolian.eolian_implement_implementing_class_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         function_get = function(self)
             local tp = ffi.new("Eolian_Function_Type[1]")
             local v = eolian.eolian_implement_function_get(self, tp)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v, tp[0]
         end,
 
         documentation_get = function(self, ftype)
             local v = eolian.eolian_implement_documentation_get(self, ftype)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -1344,13 +1344,13 @@ ffi.metatype("Eolian_Constructor", {
     __index = wrap_object {
         class_get = function(self)
             local v = eolian.eolian_constructor_class_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         function_get = function(self)
             local v = eolian.eolian_constructor_function_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -1364,19 +1364,19 @@ ffi.metatype("Eolian_Event", {
     __index = wrap_object {
         type_get = function(self)
             local v = eolian.eolian_event_type_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         class_get = function(self)
             local v = eolian.eolian_event_class_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         documentation_get = function(self)
             local v = eolian.eolian_event_documentation_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -1386,7 +1386,7 @@ ffi.metatype("Eolian_Event", {
 
         c_macro_get = function(self)
             local v = eolian.eolian_event_c_macro_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi_stringshare(v)
         end,
 
@@ -1404,13 +1404,13 @@ ffi.metatype("Eolian_Part", {
     __index = wrap_object {
         class_get = function(self)
             local v = eolian.eolian_part_class_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         documentation_get = function(self)
             local v = eolian.eolian_part_documentation_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end
     }
@@ -1432,13 +1432,13 @@ M.Class = ffi.metatype("Eolian_Class", {
 
         documentation_get = function(self)
             local v = eolian.eolian_class_documentation_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         c_prefix_get = function(self)
             local v = eolian.eolian_class_c_prefix_get(self)
-            if v == nil then
+            if v == ffi.nullptr then
                 local buf = self:namespaces_get()
                 buf[#buf + 1] = self:short_name_get()
                 return table.concat(buf, "_"):lower()
@@ -1448,7 +1448,7 @@ M.Class = ffi.metatype("Eolian_Class", {
 
         event_c_prefix_get = function(self)
             local v = eolian.eolian_class_event_c_prefix_get(self)
-            if v == nil then
+            if v == ffi.nullptr then
                 return self:c_prefix_get()
             end
             return ffi.string(v)
@@ -1456,13 +1456,13 @@ M.Class = ffi.metatype("Eolian_Class", {
 
         data_type_get = function(self)
             local v = eolian.eolian_class_data_type_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi.string(v)
         end,
 
         parent_get = function(self)
             local v = eolian.eolian_class_parent_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -1484,7 +1484,7 @@ M.Class = ffi.metatype("Eolian_Class", {
         function_by_name_get = function(self, fname, ftype)
             local v = eolian.eolian_class_function_by_name_get(self, fname,
                 ftype)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -1505,7 +1505,7 @@ M.Class = ffi.metatype("Eolian_Class", {
 
         event_by_name_get = function(self, name)
             local v = eolian.eolian_class_event_by_name_get(self, name)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -1524,19 +1524,19 @@ M.Class = ffi.metatype("Eolian_Class", {
 
         c_get_function_name_get = function(self)
             local v = eolian.eolian_class_c_get_function_name_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi_stringshare(v)
         end,
 
         c_macro_get = function(self)
             local v = eolian.eolian_class_c_macro_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi_stringshare(v)
         end,
 
         c_data_type_get = function(self)
             local v = eolian.eolian_class_c_data_type_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi_stringshare(v)
         end
     }
@@ -1611,7 +1611,7 @@ M.Value = ffi.metatype("Eolian_Value", {
 
         to_literal = function(self)
             local v = eolian.eolian_expression_value_to_literal(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi_stringshare(v)
         end
     }
@@ -1658,13 +1658,13 @@ M.Expression = ffi.metatype("Eolian_Expression", {
         eval = function(self, mask)
             mask = mask or emask.ALL
             local v = eolian.eolian_expression_eval(self, mask)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi.cast("Eolian_Value*", v)
         end,
 
         serialize = function(self)
             local v = eolian.eolian_expression_serialize(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi_stringshare(v)
         end,
 
@@ -1678,13 +1678,13 @@ M.Expression = ffi.metatype("Eolian_Expression", {
 
         binary_lhs_get = function(self)
             local v = eolian.eolian_expression_binary_lhs_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         binary_rhs_get = function(self)
             local v = eolian.eolian_expression_binary_rhs_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -1694,13 +1694,13 @@ M.Expression = ffi.metatype("Eolian_Expression", {
 
         unary_expression_get = function(self)
             local v = eolian.eolian_expression_unary_expression_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         value_get = function(self)
             local v = eolian.eolian_expression_value_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi.cast("Eolian_Value*", v)
         end
     }
@@ -1710,19 +1710,19 @@ M.Constant = ffi.metatype("Eolian_Constant", {
     __index = wrap_object {
         documentation_get = function(self)
             local v = eolian.eolian_constant_documentation_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         type_get = function(self)
             local v = eolian.eolian_constant_type_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         value_get = function(self)
             local v = eolian.eolian_constant_value_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
@@ -1736,13 +1736,13 @@ M.Error = ffi.metatype("Eolian_Error", {
     __index = wrap_object {
         documentation_get = function(self)
             local v = eolian.eolian_error_documentation_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return v
         end,
 
         message_get = function(self)
             local v = eolian.eolian_error_message_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi.string(v)
         end,
 
@@ -1756,19 +1756,19 @@ M.Documentation = ffi.metatype("Eolian_Documentation", {
     __index = wrap_object {
         summary_get = function(self)
             local v = eolian.eolian_documentation_summary_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi.string(v)
         end,
 
         description_get = function(self)
             local v = eolian.eolian_documentation_description_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi.string(v)
         end,
 
         since_get = function(self)
             local v = eolian.eolian_documentation_since_get(self)
-            if v == nil then return nil end
+            if v == ffi.nullptr then return nil end
             return ffi.string(v)
         end
     }
@@ -1807,7 +1807,7 @@ end
 
 M.documentation_tokenize = function(doc, ret)
     local ret = eolian.eolian_documentation_tokenize(doc, ret)
-    if ret == nil then
+    if ret == ffi.nullptr then
         return nil
     end
     return ffi.string(ret)
@@ -1827,7 +1827,7 @@ M.Eolian_Doc_Token = ffi.metatype("Eolian_Doc_Token", {
 
         text_get = function(self)
             local str = eolian.eolian_doc_token_text_get(self)
-            if str == nil then
+            if str == ffi.nullptr then
                 return nil
             end
             local ret = ffi.string(str)

-- 


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