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22 lines
425 B
Go
22 lines
425 B
Go
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package renderer
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// LinkState is used for ast.Link segments.
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type LinkState struct {
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Linkstack []int // stack of starting integers
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}
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func (ls *LinkState) Append(l int) {
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ls.Linkstack = append(ls.Linkstack, l)
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}
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func (ls *LinkState) Pop() int {
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ilast := len(ls.Linkstack) - 1
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start := ls.Linkstack[ilast]
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ls.Linkstack = ls.Linkstack[:ilast]
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return start
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}
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func (ls LinkState) Len() int {
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return len(ls.Linkstack)
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}
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