5 files changed, 11 insertions, 15 deletions

diff --git a/src/compat.cpp b/src/compat.cpp
index 66fa3d5..5923d29 100644
--- a/src/compat.cpp
+++ b/src/compat.cpp
@@ -39,7 +39,7 @@ int luaL_getsubtable(lua_State* L_, int idx_, const char* fname_)
         return 1; /* table already there */
     else {
         lua_pop(L_, 1); /* remove previous result */
-        idx_ = lua_absindex(L_, idx_);
+        idx_ = luaG_absindex(L_, idx_);
         lua_newtable(L_);
         lua_pushvalue(L_, -1); /* copy to be left at top */
         lua_setfield(L_, idx_, fname_); /* assign new table to field */
diff --git a/src/compat.h b/src/compat.h
index ceb1275..43f8922 100644
--- a/src/compat.h
+++ b/src/compat.h
@@ -61,10 +61,6 @@ inline char const* lua_typename(lua_State* L_, LuaType t_)
 // add some Lua 5.3-style API when building for Lua 5.1
 #if LUA_VERSION_NUM == 501
 
-inline int lua_absindex(lua_State* L_, int idx_)
-{
-    return (((idx_) >= 0 || (idx_) <= LUA_REGISTRYINDEX) ? (idx_) : lua_gettop(L_) + (idx_) + 1);
-}
 #if LUAJIT_VERSION_NUM < 20200 // moonjit is 5.1 plus bits of 5.2 that we don't need to wrap
 inline void lua_pushglobaltable(lua_State* L_)
 {
diff --git a/src/intercopycontext.cpp b/src/intercopycontext.cpp
index 07eea24..670b955 100644
--- a/src/intercopycontext.cpp
+++ b/src/intercopycontext.cpp
@@ -142,7 +142,7 @@ static constexpr RegistryUniqueKey kMtIdRegKey{ 0xA8895DCF4EC3FE3Cull };
 // get a unique ID for metatable at [i].
 [[nodiscard]] static lua_Integer get_mt_id(Universe* U_, lua_State* L_, int idx_)
 {
-    idx_ = lua_absindex(L_, idx_);
+    idx_ = luaG_absindex(L_, idx_);
 
     STACK_GROW(L_, 3);
 
@@ -618,7 +618,7 @@ void InterCopyContext::inter_copy_keyvaluepair() const
 
 [[nodiscard]] bool InterCopyContext::tryCopyClonable() const
 {
-    SourceIndex const _L1_i{ lua_absindex(L1, L1_i) };
+    SourceIndex const _L1_i{ luaG_absindex(L1, L1_i) };
     void* const _source{ lua_touserdata(L1, _L1_i) };
 
     STACK_CHECK_START_REL(L1, 0);
@@ -650,7 +650,7 @@ void InterCopyContext::inter_copy_keyvaluepair() const
 
     // we need to copy over the uservalues of the userdata as well
     {
-        int const mt{ lua_absindex(L1, -2) };                                                      // L1: ... mt __lanesclone
+        int const _mt{ luaG_absindex(L1, -2) };                                                    // L1: ... mt __lanesclone
         size_t const userdata_size{ lua_rawlen(L1, _L1_i) };
         // extract all the uservalues, but don't transfer them yet
         int _uvi{ 0 };
@@ -661,7 +661,7 @@ void InterCopyContext::inter_copy_keyvaluepair() const
         // create the clone userdata with the required number of uservalue slots
         void* const _clone{ lua_newuserdatauv(L2, userdata_size, _uvi) };                          //                                                L2: ... u
         // copy the metatable in the target state, and give it to the clone we put there
-        InterCopyContext _c{ U, L2, L1, L2_cache_i, SourceIndex{ mt }, VT::NORMAL, mode, name };
+        InterCopyContext _c{ U, L2, L1, L2_cache_i, SourceIndex{ _mt }, VT::NORMAL, mode, name };
         if (_c.inter_copy_one()) {                                                                 //                                                L2: ... u mt|sentinel
             if (LookupMode::ToKeeper == mode) {                                                    //                                                L2: ... u sentinel
                 LUA_ASSERT(L1, lua_tocfunction(L2, -1) == table_lookup_sentinel);
@@ -688,7 +688,7 @@ void InterCopyContext::inter_copy_keyvaluepair() const
         }
         // assign uservalues
         while (_uvi > 0) {
-            _c.L1_i = SourceIndex{ lua_absindex(L1, -1) };
+            _c.L1_i = SourceIndex{ luaG_absindex(L1, -1) };
             if (!_c.inter_copy_one()) {                                                            //                                                L2: ... u uv
                 raise_luaL_error(getErrL(), "Cannot copy upvalue type '%s'", luaL_typename(L1, -1));
             }
@@ -748,7 +748,7 @@ void InterCopyContext::inter_copy_keyvaluepair() const
         InterCopyContext _c{ U, L2, L1, L2_cache_i, {}, VT::NORMAL, mode, name };
         int const _clone_i{ lua_gettop(L2) };
         while (_nuv) {
-            _c.L1_i = SourceIndex{ lua_absindex(L1, -1) };
+            _c.L1_i = SourceIndex{ luaG_absindex(L1, -1) };
             if (!_c.inter_copy_one()) {                                                            // L1: ... u [uv]*                               L2: u uv
                 raise_luaL_error(getErrL(), "Cannot copy upvalue type '%s'", luaL_typename(L1, -1));
             }
@@ -835,7 +835,7 @@ void InterCopyContext::inter_copy_keyvaluepair() const
             // transfer and assign uservalues
             InterCopyContext c{ *this };
             while (_uvi > 0) {
-                c.L1_i = SourceIndex{ lua_absindex(L1, -1) };
+                c.L1_i = SourceIndex{ luaG_absindex(L1, -1) };
                 if (!c.inter_copy_one()) {                                                         //                                                L2: ... mt u uv
                     raise_luaL_error(getErrL(), "Cannot copy upvalue type '%s'", luaL_typename(L1, -1));
                 }
diff --git a/src/lane.cpp b/src/lane.cpp
index 029efdb..f07403f 100644
--- a/src/lane.cpp
+++ b/src/lane.cpp
@@ -804,7 +804,7 @@ Lane::~Lane()
 
 void Lane::changeDebugName(int const nameIdx_)
 {
-    int const _nameIdx{ lua_absindex(L, nameIdx_) };
+    int const _nameIdx{ luaG_absindex(L, nameIdx_) };
     luaL_checktype(L, _nameIdx, LUA_TSTRING);                                                      // L: ... "name" ...
     STACK_CHECK_START_REL(L, 0);
     // store a hidden reference in the registry to make sure the string is kept around even if a lane decides to manually change the "decoda_name" global...
diff --git a/src/tools.cpp b/src/tools.cpp
index e6dadd2..e7d1775 100644
--- a/src/tools.cpp
+++ b/src/tools.cpp
@@ -71,7 +71,7 @@ static constexpr int kWriterReturnCode{ 666 };
     }
     {
         int _mustpush{ 0 };
-        if (lua_absindex(L_, _i) != lua_gettop(L_)) {
+        if (luaG_absindex(L_, _i) != lua_gettop(L_)) {
             lua_pushvalue(L_, _i);
             _mustpush = 1;
         }
@@ -306,7 +306,7 @@ namespace tools {
     // create a "fully.qualified.name" <-> function equivalence database
     void PopulateFuncLookupTable(lua_State* const L_, int const i_, std::string_view const& name_)
     {
-        int const _in_base{ lua_absindex(L_, i_) };
+        int const _in_base{ luaG_absindex(L_, i_) };
         DEBUGSPEW_CODE(Universe* _U = Universe::Get(L_));
         std::string_view _name{ name_.empty() ? std::string_view{} : name_ };
         DEBUGSPEW_CODE(DebugSpew(_U) << L_ << ": PopulateFuncLookupTable('" << _name << "')" << std::endl);