From e6bb876b7c6b307af7c5d9d2db815acf0fe09bc4 Mon Sep 17 00:00:00 2001 From: Mel Date: Wed, 1 Jun 2022 16:20:01 +0000 Subject: Make VM GetResult independent of call base --- pkg/lang/vm/vm.go | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/pkg/lang/vm/vm.go b/pkg/lang/vm/vm.go index 8422299..966ec9f 100644 --- a/pkg/lang/vm/vm.go +++ b/pkg/lang/vm/vm.go @@ -29,7 +29,11 @@ func New(code *code.Code) *VM { } func (vm *VM) GetResult() (string, error) { - res, err := vm.stack.Pop() + if vm.stack.Len() == 0 { + return "", stack.ErrStackUnderflow + } + + res, err := vm.stack.Get(vm.stack.Len() - 1) if err != nil { return "", err } -- cgit 1.4.1