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-rw-r--r--src/lobject.js4
-rw-r--r--src/ltm.js2
-rw-r--r--src/lvm.js13
3 files changed, 9 insertions, 10 deletions
diff --git a/src/lobject.js b/src/lobject.js
index 7b39668..385ac9c 100644
--- a/src/lobject.js
+++ b/src/lobject.js
@@ -102,6 +102,10 @@ class TValue {
return this.checktag(CT.LUA_TDEADKEY);
}
+ l_isfalse() {
+ return this.ttisnil() || (this.ttisboolean() && this.value === false);
+ }
+
}
const nil = new TValue(CT.LUA_TNIL, null);
diff --git a/src/ltm.js b/src/ltm.js
index e08c511..041e233 100644
--- a/src/ltm.js
+++ b/src/ltm.js
@@ -79,7 +79,7 @@ const luaT_callorderTM = function(L, p1, p2, event) {
if (!luaT_callbinTM(L, p2, p2, L.top, event))
return -1;
else
- return !l_isfalse(L.stack[L.top]) ? 1 : 0;
+ return !L.stack[L.top].l_isfalse() ? 1 : 0;
};
const luaT_gettmbyobj = function(L, o, event) {
diff --git a/src/lvm.js b/src/lvm.js
index 7be6b01..8d6f5c7 100644
--- a/src/lvm.js
+++ b/src/lvm.js
@@ -372,7 +372,7 @@ const luaV_execute = function(L) {
}
case "OP_NOT": {
let op = L.stack[RB(L, base, i)];
- L.stack[ra] = new TValue(CT.LUA_TBOOLEAN, l_isfalse(op));
+ L.stack[ra] = new TValue(CT.LUA_TBOOLEAN, op.l_isfalse());
break;
}
case "OP_LEN": {
@@ -412,7 +412,7 @@ const luaV_execute = function(L) {
break;
}
case "OP_TEST": {
- if (i.C ? l_isfalse(L.stack[ra]) : !l_isfalse(L.stack[ra]))
+ if (i.C ? L.stack[ra].l_isfalse() : !L.stack[ra].l_isfalse())
ci.pcOff++;
else
donextjump(L, ci);
@@ -420,7 +420,7 @@ const luaV_execute = function(L) {
}
case "OP_TESTSET": {
let rb = L.stack[RB(L, base, i)];
- if (i.C ? l_isfalse(rb) : !l_isfalse(rb))
+ if (i.C ? rb.l_isfalse() : !rb.l_isfalse())
ci.pcOff++;
else {
L.stack[ra] = rb;
@@ -731,7 +731,7 @@ const luaV_equalobj = function(L, t1, t2) {
return 0;
ltm.luaT_callTM(L, tm, t1, t2, L.top, 1);
- return !l_isfalse(L.stack[L.top]);
+ return !L.stack[L.top].l_isfalse();
};
const forlimit = function(obj, step) {
@@ -846,10 +846,6 @@ const l_strcmp = function(ls, rs) {
return ls.value === rs.value ? 0 : (ls.value < rs.value ? -1 : 1);
};
-const l_isfalse = function(o) {
- return o.ttisnil() || (o.ttisboolean() && o.value === false);
-};
-
/*
** Main operation 'ra' = #rb'.
*/
@@ -942,7 +938,6 @@ module.exports = {
LEintfloat: LEintfloat,
LTintfloat: LTintfloat,
l_strcmp: l_strcmp,
- l_isfalse: l_isfalse,
luaV_objlen: luaV_objlen,
stackerror: stackerror,
luaD_call: luaD_call,