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-rw-r--r--src/lib/Lua/ULua.pas57
-rw-r--r--src/lua/ULuaCore.pas15
2 files changed, 57 insertions, 15 deletions
diff --git a/src/lib/Lua/ULua.pas b/src/lib/Lua/ULua.pas
index 41cb7909..9e6b4d31 100644
--- a/src/lib/Lua/ULua.pas
+++ b/src/lib/Lua/ULua.pas
@@ -407,6 +407,7 @@ function lua_tolstring(L : Plua_State; idx : Integer;
function lua_objlen(L : Plua_State; idx : Integer) : size_t;
cdecl; external LUA_LIB_NAME;
{$ELSEIF LUA_VERSION_NUM >= 502}
+function lua_objlen(L : Plua_State; idx : Integer) : size_t;
function lua_rawlen(L : Plua_State; idx : Integer) : size_t;
cdecl; external LUA_LIB_NAME;
{$IFEND}
@@ -889,11 +890,13 @@ procedure luaL_openlib(L : Plua_State; const libname : PChar;
const lr : PluaL_Reg; nup : Integer);
cdecl; external LUA_LIB_NAME;
procedure luaL_register(L : Plua_State; const libname : PChar;
- const lr : PluaL_Reg);
+ const lr : PluaL_Reg);
cdecl; external LUA_LIB_NAME;
-{$IFEND}
+{$ELSEIF LUA_VERSION_NUM >= 502}
+// Added for simplicity --KMS
+procedure luaL_register(L : Plua_State; const libname : PChar;
+ const lr : PluaL_Reg);
-{$IF LUA_VERSION_NUM >= 502}
procedure luaL_checkversion(L : Plua_State);
procedure luaL_checkversion_(L : Plua_State; ver : lua_Number);
cdecl; external LUA_LIB_NAME;
@@ -1025,6 +1028,7 @@ function luaL_gsub(L : Plua_State; const s, p, r : PChar) : PChar;
function luaL_findtable(L : Plua_State; idx : Integer;
const fname : PChar; szhint : Integer) : PChar;
cdecl; external LUA_LIB_NAME;
+procedure luaL_setfuncs (L : Plua_State; const lr : PluaL_Reg; nup : Integer);
{$ELSEIF LUA_VERSION_NUM >= 502}
procedure luaL_setfuncs(L : Plua_State; const lr : PluaL_Reg;
nup : Integer); overload;
@@ -1215,6 +1219,11 @@ begin
end;
{$IF LUA_VERSION_NUM >= 502}
+function lua_objlen(L : Plua_State; idx : Integer) : size_t;
+begin
+ lua_objlen := lua_rawlen(L, idx);
+end;
+
procedure lua_call(L : Plua_State; nargs, nresults : Integer);
begin
lua_callk(L, nargs, nresults, 0, NIL);
@@ -1377,6 +1386,14 @@ begin
end;
{$ELSEIF LUA_VERSION_NUM >= 502}
+procedure luaL_register(L : Plua_State; const libname : PChar;
+ const lr : PluaL_Reg);
+begin
+ lua_newtable(L);
+ luaL_setfuncs(L, lr, 0);
+ lua_pushvalue(L, -1);
+ lua_setglobal(L, libname);
+end;
procedure luaL_checkversion(L : Plua_State);
begin
@@ -1384,10 +1401,12 @@ begin
end;
{$IFEND}
+{$IF LUA_VERSION_NUM >= 502}
function luaL_loadfile(L : Plua_State; const filename: PChar): Integer;
begin
Result := luaL_loadfilex(L, filename, nil);
end;
+{$IFEND}
{$IF LUA_VERSION_NUM >= 502}
function luaL_loadbuffer(L : Plua_State; const buff : PChar;
@@ -1397,18 +1416,42 @@ begin
end;
{$IFEND}
+{$IF LUA_VERSION_NUM = 501}
+(*
+** Adapted from Lua 5.2.0 and this page
+** http://lua-users.org/wiki/CompatibilityWithLuaFive
+** It enables the replacement of luaL_register by luaL_setfuncs in ULuaCore
+** As of now, it is not used.
+*)
+procedure luaL_setfuncs (L : Plua_State; const lr : PluaL_Reg; nup : Integer);
+var
+ i : integer;
+begin
+ luaL_checkstack(L, nup, 'too many upvalues');
+ repeat (* fill the table with given functions *)
+ for i := 1 to nup do (* copy upvalues to the top *)
+ lua_pushvalue(L, -nup);
+ lua_pushstring(L, lr.name);
+ lua_pushcclosure(L, lr.func, nup); (* closure with those upvalues *)
+ lua_settable(L, -(nup + 3));
+// inc(lr);
+ until (lr.name = NIL);
+ lua_pop(L, nup); (* remove upvalues *)
+end;
+{$ELSEIF LUA_VERSION_NUM >= 502}
procedure luaL_setfuncs(L : Plua_State; const lr : array of luaL_Reg;
nup : Integer); overload;
begin
luaL_setfuncs(L, @lr, nup);
end;
+{$IFEND}
-procedure luaL_newlibtable(L : Plua_State; lr : array of luaL_Reg);
+procedure luaL_newlibtable(L : Plua_State; lr : array of luaL_Reg); overload;
begin
lua_createtable(L, 0, High(lr));
end;
-procedure luaL_newlibtable(L : Plua_State; lr : PluaL_Reg);
+procedure luaL_newlibtable(L : Plua_State; lr : PluaL_Reg); overload;
var
n: Integer;
begin
@@ -1421,13 +1464,13 @@ begin
lua_createtable(L, 0, n);
end;
-procedure luaL_newlib(L : Plua_State; lr : array of luaL_Reg);
+procedure luaL_newlib(L : Plua_State; lr : array of luaL_Reg); overload;
begin
luaL_newlibtable(L, lr);
luaL_setfuncs(L, @lr, 0);
end;
-procedure luaL_newlib(L : Plua_State; lr : PluaL_Reg);
+procedure luaL_newlib(L : Plua_State; lr : PluaL_Reg); overload;
begin
luaL_newlibtable(L, lr);
luaL_setfuncs(L, lr, 0);
diff --git a/src/lua/ULuaCore.pas b/src/lua/ULuaCore.pas
index d1b6e7d2..a0398eb4 100644
--- a/src/lua/ULuaCore.pas
+++ b/src/lua/ULuaCore.pas
@@ -564,16 +564,17 @@ begin
{**** replace the standard require with our custom require function }
// first move standard require function to _require
- lua_getfield(L, LUA_GLOBALSINDEX, PChar('require'));
- lua_setfield(L, LUA_GLOBALSINDEX, PChar('_require'));
+ lua_getglobal(L, PChar('require'));
+
+ lua_setglobal(L, PChar('_require'));
// then save custom require function to require
lua_pushcfunction(L, TLua_CustomRequire);
- lua_setfield(L, LUA_GLOBALSINDEX, PChar('require'));
+
+ lua_setglobal(L, PChar('require'));
{**** now we create the usdx table }
// at first functions from ULuaUsdx
-// Function luaL_register is deprecated. Use luaL_setfuncs so that your module does not create globals. (Modules are not expected to set global variables anymore.)
luaL_register(L, 'Usdx', @ULuaUsdx_Lib_f[0]);
end;
@@ -651,7 +652,6 @@ begin
begin
Id := lua_ToInteger(L, lua_upvalueindex(1));
-// Function luaL_register is deprecated. Use luaL_setfuncs so that your module does not create globals. (Modules are not expected to set global variables anymore.)
luaL_register(L, PChar('Usdx.' + LuaCore.Modules[Id].Name), @LuaCore.Modules[Id].Functions[0]);
// set the modules table as global "modulename"
@@ -846,8 +846,7 @@ begin
// we need at least one stack slot free
lua_checkstack(State, 1);
- // lua_getglobal(State, PChar(Name)); // this is just a macro:
- lua_getfield(State, LUA_GLOBALSINDEX, PChar(Name));
+ lua_getglobal(State, PChar(Name));
if (lua_isfunction(State, -1)) then
begin // we got a function
@@ -1015,7 +1014,7 @@ begin
while (lua_getTop(L) >= 1) do
begin
// get luas require function
- lua_getfield(L, LUA_GLOBALSINDEX, PChar('_require'));
+ lua_getglobal(L, PChar('_require'));
// move it under the top param
lua_insert(L, -2);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 05:07:01 +0000