From d8e002a33c6b212891d09a2221edd0f516d13d9a Mon Sep 17 00:00:00 2001
From: daurnimator <quae@daurnimator.com>
Date: Wed, 13 Dec 2017 14:38:52 +1100
Subject: src/lapi.js: Remove emptystring: rely on internal string cache
 instead

---
 src/lapi.js | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

(limited to 'src/lapi.js')

diff --git a/src/lapi.js b/src/lapi.js
index 9e2f0a3..afa94ce 100644
--- a/src/lapi.js
+++ b/src/lapi.js
@@ -230,13 +230,11 @@ const lua_pushinteger = function(L, n) {
     assert(L.top <= L.ci.top, "stack overflow");
 };
 
-const emptystring = defs.to_luastring("");
-
 const lua_pushlstring = function(L, s, len) {
     assert(typeof len === "number");
     let ts;
     if (len === 0) {
-        s = emptystring;
+        s = defs.to_luastring("", true);
     } else {
         assert(defs.is_luastring(s) && s.length >= len, "lua_pushlstring expects array of byte");
         s = s.slice(0, len);
@@ -525,7 +523,7 @@ const aux_upvalue = function(L, fi, n) {
             let f = fi.value;
             if (!(1 <= n && n <= f.nupvalues)) return null;
             return {
-                name: [],
+                name: defs.to_luastring("", true),
                 val: f.upvalue[n-1]
             };
         }
@@ -1059,7 +1057,7 @@ const lua_concat = function(L, n) {
     if (n >= 2)
         lvm.luaV_concat(L, n);
     else if (n === 0) {
-        lobject.pushsvalue2s(L, lstring.luaS_bless(L, emptystring));
+        lobject.pushsvalue2s(L, lstring.luaS_bless(L, defs.to_luastring("", true)));
         assert(L.top <= L.ci.top, "stack overflow");
     }
 };
-- 
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