Merge remote-tracking branch 'daurnimator/fix-errors'

1 files changed, 14 insertions, 23 deletions

diff --git a/src/lvm.js b/src/lvm.js
index fe0bd0a..9145b88 100644
--- a/src/lvm.js
+++ b/src/lvm.js
@@ -98,36 +98,27 @@ const RKC = function(L, base, k, i) {
 };
 
 const luaV_execute = function(L) {
-    let OCi = OC.OpCodesI;
+    const OCi = OC.OpCodesI;
     let ci = L.ci;
-    let specialCase = null; // To enable jump to specific opcode without reading current op/ra
-    let opcode, k, base, i, ra;
-    var cl;
 
     ci.callstatus |= lstate.CIST_FRESH;
     newframe:
     for (;;) {
-        if (specialCase) {
-            opcode = specialCase;
-            specialCase = null;
-        } else {
-            ci = L.ci;
-            cl = ci.func.value;
-            k = cl.p.k;
-            base = ci.l_base;
-
-            i = ci.l_savedpc[ci.pcOff++];
-
-            if (L.hookmask & (defs.LUA_MASKLINE | defs.LUA_MASKCOUNT)) {
-                ldebug.luaG_traceexec(L);
-                base = ci.l_base;
-            }
+        assert(ci === L.ci);
+        let cl = ci.func.value;
+        let k = cl.p.k;
+        let base = ci.l_base;
 
+        let i = ci.l_savedpc[ci.pcOff++];
 
-            ra = RA(L, base, i);
-            opcode = i.opcode;
+        if (L.hookmask & (defs.LUA_MASKLINE | defs.LUA_MASKCOUNT)) {
+            ldebug.luaG_traceexec(L);
+            base = ci.l_base;
         }
 
+        let ra = RA(L, base, i);
+        let opcode = i.opcode;
+
         if (i.breakpoint) // TODO: remove, used until lapi
             return;
 
@@ -628,13 +619,13 @@ const luaV_execute = function(L) {
                 L.stack[cb]     = L.stack[ra];
                 L.top = cb + 3; /* func. + 2 args (state and index) */
                 ldo.luaD_call(L, cb, i.C);
+                /* go straight to OP_TFORLOOP */
                 base = ci.l_base;
                 L.top = ci.top;
                 i = ci.l_savedpc[ci.pcOff++];
                 ra = RA(L, base, i);
                 assert(i.opcode === OCi.OP_TFORLOOP);
-                specialCase = OCi.OP_TFORLOOP;
-                break;
+                /* fall through */
             }
             case OCi.OP_TFORLOOP: {
                 if (!L.stack[ra + 1].ttisnil()) { /* continue loop? */