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authordaurnimator <quae@daurnimator.com>2017-05-24 16:27:08 +1000
committerdaurnimator <quae@daurnimator.com>2017-05-24 16:27:08 +1000
commit201d393d59645c96d8faf163e807378a63831821 (patch)
tree7f8cb777ec2a0c287b78edb6ed341f79621f1fab /src/lcode.js
parentb58e259be7118f3d16cfa7fc9a33755528d1211c (diff)
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src/lcode.js: constfolding should not pass lua state to luaO_arith
This essentially backs out https://github.com/lua/lua/commit/99ac4a260fc1bf958515c1816d866852194493f2 See lua mailing thread "'constfolding' passes a proper Lua state to 'luaO_arith'"
Diffstat (limited to 'src/lcode.js')
-rw-r--r--src/lcode.js8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/lcode.js b/src/lcode.js
index e30e41d..8dbff2b 100644
--- a/src/lcode.js
+++ b/src/lcode.js
@@ -962,13 +962,13 @@ const validop = function(op, v1, v2) {
** Try to "constant-fold" an operation; return 1 iff successful.
** (In this case, 'e1' has the final result.)
*/
-const constfolding = function(fs, op, e1, e2) {
+const constfolding = function(op, e1, e2) {
let ek = lparser.expkind;
let v1, v2;
if (!(v1 = tonumeral(e1, true)) || !(v2 = tonumeral(e2, true)) || !validop(op, v1, v2))
return 0; /* non-numeric operands or not safe to fold */
let res = new TValue(); /* FIXME */
- lobject.luaO_arith(fs.ls.L, op, v1, v2, res); /* does operation */
+ lobject.luaO_arith(null, op, v1, v2, res); /* does operation */
if (res.ttisinteger()) {
e1.k = ek.VKINT;
e1.u.ival = res.value;
@@ -1063,7 +1063,7 @@ const luaK_prefix = function(fs, op, e, line) {
ef.f = NO_JUMP;
switch (op) {
case UnOpr.OPR_MINUS: case UnOpr.OPR_BNOT: /* use 'ef' as fake 2nd operand */
- if (constfolding(fs, op + defs.LUA_OPUNM, e, ef))
+ if (constfolding(op + defs.LUA_OPUNM, e, ef))
break;
/* FALLTHROUGH */
case UnOpr.OPR_LEN:
@@ -1150,7 +1150,7 @@ const luaK_posfix = function(fs, op, e1, e2, line) {
case BinOpr.OPR_IDIV: case BinOpr.OPR_MOD: case BinOpr.OPR_POW:
case BinOpr.OPR_BAND: case BinOpr.OPR_BOR: case BinOpr.OPR_BXOR:
case BinOpr.OPR_SHL: case BinOpr.OPR_SHR: {
- if (!constfolding(fs, op + defs.LUA_OPADD, e1, e2))
+ if (!constfolding(op + defs.LUA_OPADD, e1, e2))
codebinexpval(fs, op + OpCodesI.OP_ADD, e1, e2, line);
break;
}