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Don't bother setting undefined slots in array literal elisions.

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Tor Andersson
2014-01-15 02:21:34 +01:00
parent 47e88ac805
commit a859bc67d5
1 changed files with 10 additions and 8 deletions
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jscompile.c
+10 -8
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@@ -172,12 +172,16 @@ static void carray(JF, js_Ast *list)
{
int i = 0;
while (list) {
emit(J, F, OP_DUP);
emit(J, F, OP_NUMBER_X);
emit(J, F, i++);
cexp(J, F, list->a);
emit(J, F, OP_SETPROP);
emit(J, F, OP_POP);
if (list->a->type != EXP_UNDEF) {
emit(J, F, OP_DUP);
emit(J, F, OP_NUMBER_X);
emit(J, F, i++);
cexp(J, F, list->a);
emit(J, F, OP_SETPROP);
emit(J, F, OP_POP);
} else {
++i;
}
list = list->b;
}
}
@@ -538,7 +542,6 @@ static void cexp(JF, js_Ast *exp)
break;
case EXP_LOGOR:
/* if a == true then a else b */
cexp(J, F, exp->a);
emit(J, F, OP_DUP);
end = jump(J, F, OP_JTRUE);
@@ -548,7 +551,6 @@ static void cexp(JF, js_Ast *exp)
break;
case EXP_LOGAND:
/* if a == false then a else b */
cexp(J, F, exp->a);
emit(J, F, OP_DUP);
end = jump(J, F, OP_JFALSE);