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-rw-r--r--src/lauxlib.js4
-rw-r--r--src/ldblib.js2
-rw-r--r--src/lstrlib.js6
3 files changed, 6 insertions, 6 deletions
diff --git a/src/lauxlib.js b/src/lauxlib.js
index 84b625e..2f86720 100644
--- a/src/lauxlib.js
+++ b/src/lauxlib.js
@@ -110,7 +110,7 @@ const luaL_traceback = function(L, L1, msg, level) {
let last = lastlevel(L1);
let n1 = last - level > LEVELS1 + LEVELS2 ? LEVELS1 : -1;
if (msg)
- lua.lua_pushstring(L, msg.concat('\n'.charCodeAt(0)));
+ lua.lua_pushfstring(L, lua.to_luastring("%s\n"), msg);
luaL_checkstack(L, 10, null);
lua.lua_pushliteral(L, "stack traceback:");
while (lua.lua_getstack(L1, level++, ar)) {
@@ -119,7 +119,7 @@ const luaL_traceback = function(L, L1, msg, level) {
level = last - LEVELS2 + 1; /* and skip to last ones */
} else {
lua.lua_getinfo(L1, lua.to_luastring("Slnt", true), ar);
- lua.lua_pushstring(L, ['\n'.charCodeAt(0), '\t'.charCodeAt(0)].concat(ar.short_src).concat([':'.charCodeAt(0)]));
+ lua.lua_pushfstring(L, lua.to_luastring("\n\t%s:"), ar.short_src);
if (ar.currentline > 0)
lua.lua_pushliteral(L, `${ar.currentline}:`);
lua.lua_pushliteral(L, " in ");
diff --git a/src/ldblib.js b/src/ldblib.js
index ac3a2a4..441dec0 100644
--- a/src/ldblib.js
+++ b/src/ldblib.js
@@ -123,7 +123,7 @@ const db_getinfo = function(L) {
let options = lauxlib.luaL_optstring(L, arg + 2, lua.to_luastring("flnStu", true));
checkstack(L, L1, 3);
if (lua.lua_isfunction(L, arg + 1)) { /* info about a function? */
- options = ['>'.charCodeAt(0)].concat(options); /* add '>' to 'options' */
+ options = lua.lua_pushfstring(L, lua.to_luastring(">%s"), options); /* add '>' to 'options' */
lua.lua_pushvalue(L, arg + 1); /* move function to 'L1' stack */
lua.lua_xmove(L, L1, 1);
} else { /* stack level */
diff --git a/src/lstrlib.js b/src/lstrlib.js
index 0fb8631..4b83ac1 100644
--- a/src/lstrlib.js
+++ b/src/lstrlib.js
@@ -103,10 +103,10 @@ const num2straux = function(x) {
return lua.to_luastring('nan', true).slice(0);
else if (x === 0) { /* can be -0... */
/* create "0" or "-0" followed by exponent */
- let zero = sprintf(luaconf.LUA_NUMBER_FMT + "x0p+0", x).split('').map(e => e.charCodeAt(0));
+ let zero = sprintf(luaconf.LUA_NUMBER_FMT + "x0p+0", x);
if (Object.is(x, -0))
- return ['-'.charCodeAt(0)].concat(zero);
- return zero;
+ zero = "-" + zero;
+ return lua.to_luastring(zero);
} else {
let buff = [];
let fe = luaconf.frexp(x); /* 'x' fraction and exponent */