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package vm
import "jinx/pkg/lang/vm/value"
type CallStack []*LocalStack
func NewCallStack() CallStack {
return []*LocalStack{{}}
}
func (cs *CallStack) Push() {
*cs = append(*cs, &LocalStack{})
}
func (cs *CallStack) Pop() {
*cs = (*cs)[:len(*cs)-1]
}
func (cs *CallStack) Top() *LocalStack {
return (*cs)[len(*cs)-1]
}
func (cs *CallStack) Prev() *LocalStack {
return (*cs)[len(*cs)-2]
}
type LocalStack []value.Value
func (ls *LocalStack) Push(v value.Value) {
*ls = append(*ls, v)
}
func (ls *LocalStack) Pop() value.Value {
v := (*ls)[len(*ls)-1]
*ls = (*ls)[:len(*ls)-1]
return v
}
func (ls *LocalStack) At(at int) value.Value {
return (*ls)[at]
}
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