Remove lua.CT and lua.constant_types (still available from defs)

9 files changed, 70 insertions, 68 deletions

diff --git a/src/lauxlib.js b/src/lauxlib.js
index 3d75282..1ee8900 100644
--- a/src/lauxlib.js
+++ b/src/lauxlib.js
@@ -9,7 +9,6 @@ const lua     = require('./lua.js');
 const char    = lua.char;
 const ldebug  = require('./ldebug.js');
 const lobject = require('./lobject.js');
-const CT      = lua.constant_types;
 
 const LUA_LOADED_TABLE = "_LOADED";
 
@@ -35,7 +34,7 @@ const findfield = function(L, objidx, level) {
     lapi.lua_pushnil(L);  /* start 'next' loop */
 
     while (lapi.lua_next(L, -2)) {  /* for each pair in table */
-        if (lapi.lua_type(L, -2) === CT.LUA_TSTRING) {  /* ignore non-string keys */
+        if (lapi.lua_type(L, -2) === lua.LUA_TSTRING) {  /* ignore non-string keys */
             if (lapi.lua_rawequal(L, objidx, -1)) {  /* found object? */
                 lapi.lua_pop(L, 1);  /* remove value (but keep name) */
                 return 1;
@@ -161,9 +160,9 @@ const luaL_argerror = function(L, arg, extramsg) {
 
 const typeerror = function(L, arg, tname) {
     let typearg;
-    if (luaL_getmetafield(L, arg, lua.to_luastring("__name", true)) === CT.LUA_TSTRING)
+    if (luaL_getmetafield(L, arg, lua.to_luastring("__name", true)) === lua.LUA_TSTRING)
         typearg = lapi.lua_tostring(L, -1);
-    else if (lapi.lua_type(L, arg) === CT.LUA_TLIGHTUSERDATA)
+    else if (lapi.lua_type(L, arg) === lua.LUA_TLIGHTUSERDATA)
         typearg = lua.to_luastring("light userdata", true);
     else
         typearg = luaL_typename(L, arg);
@@ -219,7 +218,7 @@ const luaL_argcheck = function(L, cond, arg, extramsg) {
 };
 
 const luaL_checkany = function(L, arg) {
-    if (lapi.lua_type(L, arg) === CT.LUA_TNONE)
+    if (lapi.lua_type(L, arg) === lua.LUA_TNONE)
         luaL_argerror(L, arg, lua.to_luastring("value expected", true));
 };
 
@@ -234,7 +233,7 @@ const luaL_checkstring = function(L, n) {
 
 const luaL_checklstring = function(L, arg) {
     let s = lapi.lua_tolstring(L, arg);
-    if (s === null || s === undefined) tag_error(L, arg, CT.LUA_TSTRING);
+    if (s === null || s === undefined) tag_error(L, arg, lua.LUA_TSTRING);
     return s;
 };
 
@@ -250,13 +249,13 @@ const interror = function(L, arg) {
     if (lapi.lua_isnumber(L, arg))
         luaL_argerror(L, arg, lua.to_luastring("number has no integer representation", true));
     else
-        tag_error(L, arg, CT.LUA_TNUMBER);
+        tag_error(L, arg, lua.LUA_TNUMBER);
 };
 
 const luaL_checknumber = function(L, arg) {
     let d = lapi.lua_tonumber(L, arg);
     if (d === false)
-        tag_error(L, arg, CT.LUA_TNUMBER);
+        tag_error(L, arg, lua.LUA_TNUMBER);
     return d;
 };
 
@@ -332,11 +331,11 @@ const luaL_loadstring = function(L, s) {
 
 const luaL_getmetafield = function(L, obj, event) {
     if (!lapi.lua_getmetatable(L, obj))
-        return CT.LUA_TNIL;
+        return lua.LUA_TNIL;
     else {
         lapi.lua_pushstring(L, event);
         let tt = lapi.lua_rawget(L, -2);
-        if (tt === CT.LUA_TNIL)
+        if (tt === lua.LUA_TNIL)
             lapi.lua_pop(L, 2);
         return tt;
     }
@@ -344,7 +343,7 @@ const luaL_getmetafield = function(L, obj, event) {
 
 const luaL_callmeta = function(L, obj, event) {
     obj = lapi.lua_absindex(L, obj);
-    if (luaL_getmetafield(L, obj, event) === CT.LUA_TNIL)
+    if (luaL_getmetafield(L, obj, event) === lua.LUA_TNIL)
         return false;
 
     lapi.lua_pushvalue(L, obj);
@@ -368,21 +367,21 @@ const luaL_tolstring = function(L, idx) {
             luaL_error(L, lua.to_luastring("'__tostring' must return a string", true));
     } else {
         switch(lapi.lua_type(L, idx)) {
-            case CT.LUA_TNUMBER:
-            case CT.LUA_TBOOLEAN:
+            case lua.LUA_TNUMBER:
+            case lua.LUA_TBOOLEAN:
                 lapi.lua_pushstring(L, lua.to_luastring(`${lapi.index2addr(L, idx).value}`));
                 break;
-            case CT.LUA_TSTRING:
+            case lua.LUA_TSTRING:
                 lapi.lua_pushstring(L, lapi.index2addr(L, idx).value);
                 break;
-            case CT.LUA_TNIL:
+            case lua.LUA_TNIL:
                 lapi.lua_pushstring(L, lua.to_luastring(`nil`));
                 break;
             default:
                 let tt = luaL_getmetafield(L, idx, lua.to_luastring("__name", true));
-                let kind = tt === CT.LUA_TSTRING ? lapi.lua_tostring(L, -1) : luaL_typename(L, idx);
+                let kind = tt === lua.LUA_TSTRING ? lapi.lua_tostring(L, -1) : luaL_typename(L, idx);
                 lapi.lua_pushstring(L, lua.to_luastring(`${lobject.jsstring(kind)}: 0x${lapi.index2addr(L, -1).id.toString(16)}`));
-                if (tt !== CT.LUA_TNIL)
+                if (tt !== lua.LUA_TNIL)
                     lapi.lua_remove(L, -2);
                 break;
         }
@@ -420,7 +419,7 @@ const luaL_requiref = function(L, modname, openf, glb) {
 ** into the stack
 */
 const luaL_getsubtable = function(L, idx, fname) {
-    if (lapi.lua_getfield(L, idx, fname) === CT.LUA_TTABLE)
+    if (lapi.lua_getfield(L, idx, fname) === lua.LUA_TTABLE)
         return true;  /* table already there */
     else {
         lapi.lua_pop(L, 1);  /* remove previous result */
diff --git a/src/lbaselib.js b/src/lbaselib.js
index 02b9fc6..8b4e6a5 100644
--- a/src/lbaselib.js
+++ b/src/lbaselib.js
@@ -6,7 +6,6 @@ const lua     = require('./lua.js');
 const lapi    = require('./lapi.js');
 const lauxlib = require('./lauxlib.js');
 const lobject = require('./lobject.js');
-const CT      = lua.constant_types;
 const TS      = lua.thread_status;
 
 const luaB_print = function(L) {
@@ -51,9 +50,9 @@ const luaB_getmetatable = function(L) {
 
 const luaB_setmetatable = function(L) {
     let t = lapi.lua_type(L, 2);
-    lauxlib.luaL_checktype(L, 1, CT.LUA_TTABLE);
-    lauxlib.luaL_argcheck(L, t === CT.LUA_TNIL || t === CT.LUA_TTABLE, 2, lua.to_luastring("nil or table expected", true));
-    if (lauxlib.luaL_getmetafield(L, 1, lua.to_luastring("__metatable", true)) !== CT.LUA_TNIL)
+    lauxlib.luaL_checktype(L, 1, lua.LUA_TTABLE);
+    lauxlib.luaL_argcheck(L, t === lua.LUA_TNIL || t === lua.LUA_TTABLE, 2, lua.to_luastring("nil or table expected", true));
+    if (lauxlib.luaL_getmetafield(L, 1, lua.to_luastring("__metatable", true)) !== lua.LUA_TNIL)
         return lauxlib.luaL_error(L, lua.to_luastring("cannot change a protected metatable", true));
     lapi.lua_settop(L, 2);
     lapi.lua_setmetatable(L, 1);
@@ -69,13 +68,13 @@ const luaB_rawequal = function(L) {
 
 const luaB_rawlen = function(L) {
     let t = lapi.lua_type(L, 1);
-    lauxlib.luaL_argcheck(L, t === CT.LUA_TTABLE || t === CT.LUA_TSTRING, 1, lua.to_luastring("table or string expected", true));
+    lauxlib.luaL_argcheck(L, t === lua.LUA_TTABLE || t === lua.LUA_TSTRING, 1, lua.to_luastring("table or string expected", true));
     lapi.lua_pushinteger(L, lapi.lua_rawlen(L, 1));
     return 1;
 };
 
 const luaB_rawget = function(L) {
-    lauxlib.luaL_checktype(L, 1, CT.LUA_TTABLE);
+    lauxlib.luaL_checktype(L, 1, lua.LUA_TTABLE);
     lauxlib.luaL_checkany(L, 2);
     lapi.lua_settop(L, 2);
     lapi.lua_rawget(L, 1);
@@ -83,7 +82,7 @@ const luaB_rawget = function(L) {
 };
 
 const luaB_rawset = function(L) {
-    lauxlib.luaL_checktype(L, 1, CT.LUA_TTABLE);
+    lauxlib.luaL_checktype(L, 1, lua.LUA_TTABLE);
     lauxlib.luaL_checkany(L, 2);
     lauxlib.luaL_checkany(L, 3);
     lapi.lua_settop(L, 3);
@@ -93,14 +92,14 @@ const luaB_rawset = function(L) {
 
 const luaB_type = function(L) {
     let t = lapi.lua_type(L, 1);
-    lauxlib.luaL_argcheck(L, t !== CT.LUA_TNONE, 1, lua.to_luastring("value expected", true));
+    lauxlib.luaL_argcheck(L, t !== lua.LUA_TNONE, 1, lua.to_luastring("value expected", true));
     lapi.lua_pushstring(L, lapi.lua_typename(L, t));
     return 1;
 };
 
 const pairsmeta = function(L, method, iszero, iter) {
     lauxlib.luaL_checkany(L, 1);
-    if (lauxlib.luaL_getmetafield(L, 1, method) === CT.LUA_TNIL) {  /* no metamethod? */
+    if (lauxlib.luaL_getmetafield(L, 1, method) === lua.LUA_TNIL) {  /* no metamethod? */
         lapi.lua_pushcfunction(L, iter);  /* will return generator, */
         lapi.lua_pushvalue(L, 1);  /* state, */
         if (iszero) lapi.lua_pushinteger(L, 0);  /* and initial value */
@@ -113,7 +112,7 @@ const pairsmeta = function(L, method, iszero, iter) {
 };
 
 const luaB_next = function(L) {
-    lauxlib.luaL_checktype(L, 1, CT.LUA_TTABLE);
+    lauxlib.luaL_checktype(L, 1, lua.LUA_TTABLE);
     lapi.lua_settop(L, 2);  /* create a 2nd argument if there isn't one */
     if (lapi.lua_next(L, 1))
         return 2;
@@ -133,7 +132,7 @@ const luaB_pairs = function(L) {
 const ipairsaux = function(L) {
     let i = lauxlib.luaL_checkinteger(L, 2) + 1;
     lapi.lua_pushinteger(L, i);
-    return lapi.lua_geti(L, 1, i) === CT.LUA_TNIL ? 1 : 2;
+    return lapi.lua_geti(L, 1, i) === lua.LUA_TNIL ? 1 : 2;
 };
 
 /*
@@ -154,7 +153,7 @@ const luaB_ipairs = function(L) {
 const luaB_tonumber = function(L) {
     if (lapi.lua_type(L, 2) <= 0) {  /* standard conversion? */
         lauxlib.luaL_checkany(L, 1);
-        if (lapi.lua_type(L, 1) === CT.LUA_TNUMBER) {  /* already a number? */
+        if (lapi.lua_type(L, 1) === lua.LUA_TNUMBER) {  /* already a number? */
             lapi.lua_settop(L, 1);
             return 1;
         } else {
@@ -164,7 +163,7 @@ const luaB_tonumber = function(L) {
         }
     } else {
         let base = lauxlib.luaL_checkinteger(L, 2);
-        lauxlib.luaL_checktype(L, 1, CT.LUA_TSTRING);  /* no numbers as strings */
+        lauxlib.luaL_checktype(L, 1, lua.LUA_TSTRING);  /* no numbers as strings */
         let s = lapi.lua_tostring(L, 1);
         lauxlib.luaL_argcheck(L, 2 <= base && base <= 36, 2, lua.to_luastring("base out of range", true));
         let n = parseInt(lobject.jsstring(s), base);
@@ -181,7 +180,7 @@ const luaB_tonumber = function(L) {
 const luaB_error = function(L) {
     let level = lauxlib.luaL_optinteger(L, 2, 1);
     lapi.lua_settop(L, 1);
-    if (lapi.lua_type(L, 1) === CT.LUA_TSTRING && level > 0) {
+    if (lapi.lua_type(L, 1) === lua.LUA_TSTRING && level > 0) {
         lauxlib.luaL_where(L, level);  /* add extra information */
         lapi.lua_pushvalue(L, 1);
         lapi.lua_concat(L, 2);
@@ -203,7 +202,7 @@ const luaB_assert = function(L) {
 
 const luaB_select = function(L) {
     let n = lapi.lua_gettop(L);
-    if (lapi.lua_type(L, 1) === CT.LUA_TSTRING && lapi.lua_tostring(L, 1)[0] === "#".charCodeAt(0)) {
+    if (lapi.lua_type(L, 1) === lua.LUA_TSTRING && lapi.lua_tostring(L, 1)[0] === "#".charCodeAt(0)) {
         lapi.lua_pushinteger(L, n - 1);
         return 1;
     } else {
@@ -246,7 +245,7 @@ const luaB_pcall = function(L) {
 */
 const luaB_xpcall = function(L) {
     let n = lapi.lua_gettop(L);
-    lauxlib.luaL_checktype(L, 2, CT.LUA_TFUNCTION);  /* check error function */
+    lauxlib.luaL_checktype(L, 2, lua.LUA_TFUNCTION);  /* check error function */
     lapi.lua_pushboolean(L, 1);  /* first result */
     lapi.lua_pushvalue(L, 1);  /* function */
     lapi.lua_rotate(L, 3, 2);  /* move them below function's arguments */
@@ -306,7 +305,7 @@ const luaB_load = function(L) {
         status = lauxlib.luaL_loadbufferx(L, s, chunkname, mode);
     } else {  /* loading from a reader function */
         let chunkname = lauxlib.luaL_optstring(L, 2, lua.to_luastring("=(load)", true));
-        lauxlib.luaL_checktype(L, 1, CT.LUA_TFUNCTION);
+        lauxlib.luaL_checktype(L, 1, lua.LUA_TFUNCTION);
         lapi.lua_settop(L, RESERVEDSLOT);  /* create reserved slot */
         status = lapi.lua_load(L, generic_reader, null, chunkname, mode);
     }
diff --git a/src/lcorolib.js b/src/lcorolib.js
index b7c4555..a46df98 100644
--- a/src/lcorolib.js
+++ b/src/lcorolib.js
@@ -9,7 +9,6 @@ const lstate  = require('./lstate.js');
 const ldo     = require('./ldo.js');
 const ldebug  = require('./ldebug.js');
 const lobject = require('./lobject.js');
-const CT      = lua.constant_types;
 const TS      = lua.thread_status;
 
 const getco = function(L) {
@@ -65,7 +64,7 @@ const luaB_auxwrap = function(L) {
     let co = lapi.lua_tothread(L, lua.lua_upvalueindex(1));
     let r = auxresume(L, co, lapi.lua_gettop(L));
     if (r < 0) {
-        if (lapi.lua_type(L, -1) === CT.LUA_TSTRING) {  /* error object is a string? */
+        if (lapi.lua_type(L, -1) === lua.LUA_TSTRING) {  /* error object is a string? */
             lauxlib.luaL_where(L, 1);  /* add extra info */
             lapi.lua_insert(L, -2);
             lapi.lua_concat(L, 2);
@@ -78,7 +77,7 @@ const luaB_auxwrap = function(L) {
 };
 
 const luaB_cocreate = function(L) {
-    lauxlib.luaL_checktype(L, 1, CT.LUA_TFUNCTION);
+    lauxlib.luaL_checktype(L, 1, lua.LUA_TFUNCTION);
     let NL = lstate.lua_newthread(L);
     lapi.lua_pushvalue(L, 1);  /* move function to top */
     lapi.lua_xmove(L, NL, 1);  /* move function from L to NL */
diff --git a/src/ldblib.js b/src/ldblib.js
index a4de832..fb2b8a2 100644
--- a/src/ldblib.js
+++ b/src/ldblib.js
@@ -33,14 +33,14 @@ const db_getmetatable = function(L) {
 
 const db_setmetatable = function(L) {
     const t = lapi.lua_type(L, 2);
-    lauxlib.luaL_argcheck(L, t == lua.CT.LUA_TNIL || t == lua.CT.LUA_TTABLE, 2, lua.to_luastring("nil or table expected", true));
+    lauxlib.luaL_argcheck(L, t == lua.LUA_TNIL || t == lua.LUA_TTABLE, 2, lua.to_luastring("nil or table expected", true));
     lapi.lua_settop(L, 2);
     lapi.lua_setmetatable(L, 1);
     return 1;  /* return 1st argument */
 };
 
 const db_getuservalue = function(L) {
-    if (lapi.lua_type(L, 1) !== lua.CT.LUA_TUSERDATA)
+    if (lapi.lua_type(L, 1) !== lua.LUA_TUSERDATA)
         lapi.lua_pushnil(L);
     else
         lapi.lua_getuservalue(L, 1);
@@ -49,7 +49,7 @@ const db_getuservalue = function(L) {
 
 
 const db_setuservalue = function(L) {
-   lauxlib.luaL_checktype(L, 1, lua.CT.LUA_TUSERDATA);
+   lauxlib.luaL_checktype(L, 1, lua.LUA_TUSERDATA);
    lauxlib.luaL_checkany(L, 2);
    lapi.lua_settop(L, 2);
    lapi.lua_setuservalue(L, 1);
@@ -219,7 +219,7 @@ const db_setlocal = function(L) {
 */
 const auxupvalue = function(L, get) {
     let n = lauxlib.luaL_checkinteger(L, 2);  /* upvalue index */
-    lauxlib.luaL_checktype(L, 1, lua.CT.LUA_TFUNCTION);  /* closure */
+    lauxlib.luaL_checktype(L, 1, lua.LUA_TFUNCTION);  /* closure */
     let name = get ? lapi.lua_getupvalue(L, 1, n) : lapi.lua_setupvalue(L, 1, n);
     if (name === null) return 0;
     lapi.lua_pushstring(L, name);
@@ -243,7 +243,7 @@ const db_setupvalue = function(L) {
 */
 const checkupval = function(L, argf, argnup) {
     let nup = lauxlib.luaL_checkinteger(L, argnup);  /* upvalue index */
-    lauxlib.luaL_checktype(L, argf, lua.CT.LUA_TFUNCTION);  /* closure */
+    lauxlib.luaL_checktype(L, argf, lua.LUA_TFUNCTION);  /* closure */
     lauxlib.luaL_argcheck(L, (lapi.lua_getupvalue(L, argf, nup) !== null), argnup, lua.to_luastring("invalid upvalue index", true));
     return nup;
 };
@@ -278,7 +278,7 @@ const hooknames = ["call", "return", "line", "count", "tail call"].map(e => lua.
 const hookf = function(L, ar) {
     lapi.lua_rawgetp(L, lua.LUA_REGISTRYINDEX, HOOKKEY);
     lapi.lua_pushthread(L);
-    if (lapi.lua_rawget(L, -2) === lua.CT.LUA_TFUNCTION) {  /* is there a hook function? */
+    if (lapi.lua_rawget(L, -2) === lua.LUA_TFUNCTION) {  /* is there a hook function? */
         lapi.lua_pushstring(L, hooknames[ar.event]);  /* push event name */
         if (ar.currentline >= 0)
             lapi.lua_pushinteger(L, ar.currentline);  /* push current line */
@@ -322,11 +322,11 @@ const db_sethook = function(L) {
     }
     else {
         const smask = lauxlib.luaL_checkstring(L, arg + 2);
-        lauxlib.luaL_checktype(L, arg+1, lua.CT.LUA_TFUNCTION);
+        lauxlib.luaL_checktype(L, arg+1, lua.LUA_TFUNCTION);
         count = lauxlib.luaL_optinteger(L, arg + 3, 0);
         func = hookf; mask = makemask(smask, count);
     }
-    if (lapi.lua_rawgetp(L, lua.LUA_REGISTRYINDEX, HOOKKEY) === lua.CT.LUA_TNIL) {
+    if (lapi.lua_rawgetp(L, lua.LUA_REGISTRYINDEX, HOOKKEY) === lua.LUA_TNIL) {
         lapi.lua_createtable(L, 0, 2);  /* create a hook table */
         lapi.lua_pushvalue(L, -1);
         lapi.lua_rawsetp(L, lua.LUA_REGISTRYINDEX, HOOKKEY);  /* set it in position */
@@ -411,7 +411,7 @@ if (typeof require === "function") {
             prompt: 'lua_debug> '
         });
 
-        // TODO: if in browser, use a designated input in the DOM ?  
+        // TODO: if in browser, use a designated input in the DOM ?
         const db_debug = function(L) {
             for (;;) {
                 let input = readlineSync.prompt();
diff --git a/src/lmathlib.js b/src/lmathlib.js
index fd18711..149bebd 100644
--- a/src/lmathlib.js
+++ b/src/lmathlib.js
@@ -11,7 +11,6 @@ const ldo        = require('./ldo.js');
 const ldebug     = require('./ldebug.js');
 const llimit     = require('./llimit.js');
 const luaconf    = require('./luaconf.js');
-const CT         = lua.constant_types;
 const TS         = lua.thread_status;
 
 var RNG          = seedrandom();
@@ -195,7 +194,7 @@ const math_max = function(L) {
 };
 
 const math_type = function(L) {
-    if (lapi.lua_type(L, 1) === CT.LUA_TNUMBER) {
+    if (lapi.lua_type(L, 1) === lua.LUA_TNUMBER) {
         if (lapi.lua_isinteger(L, 1))
             lapi.lua_pushliteral(L, "integer");
         else
diff --git a/src/loslib.js b/src/loslib.js
index 781dec9..4eea581 100644
--- a/src/loslib.js
+++ b/src/loslib.js
@@ -33,7 +33,7 @@ const getfield = function(L, key, d, delta) {
     let t = lapi.lua_getfield(L, -1, lua.to_luastring(key));  /* get field and its type */
     let res = lapi.lua_tointegerx(L, -1);
     if (res !== false) {  /* field is not an integer? */
-        if (t != lua.CT.LUA_TNIL)  /* some other value? */
+        if (t != lua.LUA_TNIL)  /* some other value? */
             return lauxlib.luaL_error(L, lua.to_luastring(`field '${key}' is not an integer`), true);
         else if (d < 0)  /* absent field; no default? */
             return lauxlib.luaL_error(L, lua.to_luastring(`field '${key}' missing in date table`), true);
@@ -51,7 +51,7 @@ const getfield = function(L, key, d, delta) {
 const os_time = function(L) {
     let t = new Date();
     if (!lapi.lua_isnoneornil(L, 1))  /* called with arg */{
-        lauxlib.luaL_checktype(L, 1, lua.CT.LUA_TTABLE);  /* make sure table is at the top */
+        lauxlib.luaL_checktype(L, 1, lua.LUA_TTABLE);  /* make sure table is at the top */
         lapi.lua_settop(L, 1);
         t.setSeconds(getfield(L, "sec", 0, 0));
         t.setSeconds(getfield(L, "min", 0, 0));
diff --git a/src/lstrlib.js b/src/lstrlib.js
index f26400e..1935de3 100644
--- a/src/lstrlib.js
+++ b/src/lstrlib.js
@@ -9,7 +9,6 @@ const lobject = require('./lobject.js');
 const lua     = require('./lua.js');
 const luaconf = require('./luaconf.js');
 const llimit  = require('./llimit.js');
-const CT      = lua.constant_types;
 const char    = lua.char;
 
 const sL_ESC  = '%';
@@ -79,7 +78,7 @@ const writer = function(L, b, size, B) {
 const str_dump = function(L) {
     let b = [];
     let strip = lapi.lua_toboolean(L, 2);
-    lauxlib.luaL_checktype(L, 1, CT.LUA_TFUNCTION);
+    lauxlib.luaL_checktype(L, 1, lua.LUA_TFUNCTION);
     lapi.lua_settop(L, 1);
     if (lapi.lua_dump(L, writer, b, strip) !== 0)
         return lauxlib.luaL_error(L, lua.to_luastring("unable to dump given function"));
@@ -219,12 +218,12 @@ const checkdp = function(buff) {
 
 const addliteral = function(L, b, arg) {
     switch(lapi.lua_type(L, arg)) {
-        case CT.LUA_TSTRING: {
+        case lua.LUA_TSTRING: {
             let s = lapi.lua_tostring(L, arg);
             addquoted(b, s, s.length);
             break;
         }
-        case CT.LUA_TNUMBER: {
+        case lua.LUA_TNUMBER: {
             if (!lapi.lua_isinteger(L, arg)) {  /* float? */
                 let n = lapi.lua_tonumber(L, arg);  /* write as hexa ('%a') */
                 concat(b, lua_number2strx(L, lua.to_luastring(`%${luaconf.LUA_INTEGER_FRMLEN}a`), n));
@@ -235,7 +234,7 @@ const addliteral = function(L, b, arg) {
             }
             break;
         }
-        case CT.LUA_TNIL: case CT.LUA_TBOOLEAN: {
+        case lua.LUA_TNIL: case lua.LUA_TBOOLEAN: {
             concat(b, lauxlib.luaL_tolstring(L, arg));
             break;
         }
@@ -1304,13 +1303,13 @@ const add_s = function(ms, b, s, e) {
 const add_value = function(ms, b, s, e, tr) {
     let L = ms.L;
     switch (tr) {
-        case CT.LUA_TFUNCTION: {
+        case lua.LUA_TFUNCTION: {
             lapi.lua_pushvalue(L, 3);
             let n = push_captures(ms, s, e);
             lapi.lua_call(L, n, 1);
             break;
         }
-        case CT.LUA_TTABLE: {
+        case lua.LUA_TTABLE: {
             push_onecapture(ms, 0, s, e);
             lapi.lua_gettable(L, 3);
             break;
@@ -1340,7 +1339,7 @@ const str_gsub = function(L) {
     let n = 0;  /* replacement count */
     let ms = new MatchState(L);
     let b = new lauxlib.luaL_Buffer(L);
-    lauxlib.luaL_argcheck(L, tr === CT.LUA_TNUMBER || tr === CT.LUA_TSTRING || tr === CT.LUA_TFUNCTION || tr === CT.LUA_TTABLE, 3,
+    lauxlib.luaL_argcheck(L, tr === lua.LUA_TNUMBER || tr === lua.LUA_TSTRING || tr === lua.LUA_TFUNCTION || tr === lua.LUA_TTABLE, 3,
         lua.to_luastring("string/function/table expected", true));
     lauxlib.luaL_buffinit(L, b);
     if (anchor) {
@@ -1394,7 +1393,7 @@ const createmetatable = function(L) {
     lapi.lua_pop(L, 1);  /* pop dummy string */
     lapi.lua_pushvalue(L, -2);  /* get string library */
     lapi.lua_setfield(L, -2, lua.to_luastring("__index", true));  /* lobject.table_index = string */
-    lapi.lua_pop(L, 1);  /* pop metatable */  
+    lapi.lua_pop(L, 1);  /* pop metatable */
 };
 
 const luaopen_string = function(L) {
diff --git a/src/ltablib.js b/src/ltablib.js
index bc51836..60b1554 100644
--- a/src/ltablib.js
+++ b/src/ltablib.js
@@ -10,7 +10,6 @@ const ldo     = require('./ldo.js');
 const ldebug  = require('./ldebug.js');
 const llimit  = require('./llimit.js');
 const lobject = require('./lobject.js');
-const CT      = lua.constant_types;
 const TS      = lua.thread_status;
 
 
@@ -25,7 +24,7 @@ const TAB_RW = (TAB_R | TAB_W); /* read/write */
 
 const checkfield = function(L, key, n) {
     lapi.lua_pushstring(L, key);
-    return lapi.lua_rawget(L, -n) !== CT.LUA_TNIL;
+    return lapi.lua_rawget(L, -n) !== lua.LUA_TNIL;
 };
 
 /*
@@ -33,7 +32,7 @@ const checkfield = function(L, key, n) {
 ** has a metatable with the required metamethods)
 */
 const checktab = function(L, arg, what) {
-    if (lapi.lua_type(L, arg) !== CT.LUA_TTABLE) {  /* is it not a table? */
+    if (lapi.lua_type(L, arg) !== lua.LUA_TTABLE) {  /* is it not a table? */
         let n = 1;
         if (lapi.lua_getmetatable(L, arg) &&  /* must have metatable */
             (!(what & TAB_R) || checkfield(L, lua.to_luastring("__index", true), ++n)) &&
@@ -42,7 +41,7 @@ const checktab = function(L, arg, what) {
             lapi.lua_pop(L, n);  /* pop metatable and tested metamethods */
         }
         else
-            lauxlib.luaL_checktype(L, arg, CT.LUA_TTABLE);  /* force an error */
+            lauxlib.luaL_checktype(L, arg, lua.LUA_TTABLE);  /* force an error */
     }
 };
 
@@ -185,7 +184,7 @@ const unpack = function(L) {
 const auxsort = function(L) {
     let t = lapi.index2addr(L, 1);
 
-    if (lapi.lua_type(L, 2) !== CT.LUA_TFUNCTION) {  /* no function? */
+    if (lapi.lua_type(L, 2) !== lua.LUA_TFUNCTION) {  /* no function? */
         [...t.value.entries()]
             .sort(function (a, b) {
                 if (typeof a[0] !== 'number') return 1;
@@ -216,7 +215,7 @@ const sort = function(L) {
     if (n > 1) {  /* non-trivial interval? */
         lauxlib.luaL_argcheck(L, n < llimit.MAX_INT, 1, lua.to_luastring("array too big", true));
         if (!lapi.lua_isnoneornil(L, 2))  /* is there a 2nd argument? */
-            lauxlib.luaL_checktype(L, 2, CT.LUA_TFUNCTION);  /* must be a function */
+            lauxlib.luaL_checktype(L, 2, lua.LUA_TFUNCTION);  /* must be a function */
         lapi.lua_settop(L, 2);  /* make sure there are two arguments */
         auxsort(L);
     }
diff --git a/src/lua.js b/src/lua.js
index f54f679..37ecadd 100644
--- a/src/lua.js
+++ b/src/lua.js
@@ -4,7 +4,6 @@
 const defs = require("./defs.js");
 
 module.exports.char                    = defs.char;
-module.exports.CT                      = defs.CT;
 module.exports.FENGARI_AUTHORS         = defs.FENGARI_AUTHORS;
 module.exports.FENGARI_COPYRIGHT       = defs.FENGARI_COPYRIGHT;
 module.exports.FENGARI_RELEASE         = defs.FENGARI_RELEASE;
@@ -52,13 +51,22 @@ module.exports.LUA_RIDX_GLOBALS        = defs.LUA_RIDX_GLOBALS;
 module.exports.LUA_RIDX_LAST           = defs.LUA_RIDX_LAST;
 module.exports.LUA_RIDX_MAINTHREAD     = defs.LUA_RIDX_MAINTHREAD;
 module.exports.LUA_SIGNATURE           = defs.LUA_SIGNATURE;
+module.exports.LUA_TNONE               = defs.CT.LUA_TNONE;
+module.exports.LUA_TNIL                = defs.CT.LUA_TNIL;
+module.exports.LUA_TBOOLEAN            = defs.CT.LUA_TBOOLEAN;
+module.exports.LUA_TLIGHTUSERDATA      = defs.CT.LUA_TLIGHTUSERDATA;
+module.exports.LUA_TNUMBER             = defs.CT.LUA_TNUMBER;
+module.exports.LUA_TSTRING             = defs.CT.LUA_TSTRING;
+module.exports.LUA_TTABLE              = defs.CT.LUA_TTABLE;
+module.exports.LUA_TFUNCTION           = defs.CT.LUA_TFUNCTION;
+module.exports.LUA_TUSERDATA           = defs.CT.LUA_TUSERDATA;
+module.exports.LUA_TTHREAD             = defs.CT.LUA_TTHREAD;
 module.exports.LUA_VERSION             = defs.LUA_VERSION;
 module.exports.LUA_VERSION_MAJOR       = defs.LUA_VERSION_MAJOR;
 module.exports.LUA_VERSION_MINOR       = defs.LUA_VERSION_MINOR;
 module.exports.LUA_VERSION_NUM         = defs.LUA_VERSION_NUM;
 module.exports.LUA_VERSION_RELEASE     = defs.LUA_VERSION_RELEASE;
 module.exports.LUA_VERSUFFIX           = defs.LUA_VERSUFFIX;
-module.exports.constant_types          = defs.constant_types;
 module.exports.lua_Debug               = defs.lua_Debug;
 module.exports.lua_upvalueindex        = defs.lua_upvalueindex;
 module.exports.print_version           = defs.print_version;