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Check for integral slice indexes, add extra test for [:]

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Tim Wojtulewicz 2019-06-13 13:36:10 -07:00
parent f1383d98c2
commit 964e2c91a3
3 changed files with 4 additions and 0 deletions
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2
src/parse.y
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@ -484,6 +484,8 @@ expr:
set_location(@1, @6);
Expr* low = $3 ? $3 : new ConstExpr(val_mgr->GetCount(0));
Expr* high = $5 ? $5 : new SizeExpr($1);
if ( ! IsIntegral(low->Type()->Tag()) || ! IsIntegral(high->Type()->Tag()) )
reporter->FatalError("slice notation must have integral values as indexes");
ListExpr* le = new ListExpr(low);
le->Append(high);
$$ = new IndexExpr($1, le, true);