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fix: catch infite loops without condition and body #3650

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fix: catch infite loops without condition and body #3650

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5 changes: 5 additions & 0 deletions gnovm/pkg/gnolang/transcribe.go
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Original file line number Diff line number Diff line change
Expand Up @@ -427,6 +427,11 @@
return
}
case *ForStmt:
// infinite loop
if cnn.Cond == nil && len(cnn.Body) == 0 {
panic(fmt.Sprintf("infite loop: %+v\n", cnn))

Check warning on line 432 in gnovm/pkg/gnolang/transcribe.go

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gnovm/pkg/gnolang/transcribe.go#L432 

Added line #L432 was not covered by tests
}

cnn2, c2 := t(ns, ftype, index, cnn, TRANS_BLOCK)
if isStopOrSkip(nc, c2) {
nn = cnn2
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