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31 lines
646 B
Go
31 lines
646 B
Go
package ast
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// IsUnknown reports whether a variable is unknown or contains any value
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// that is unknown. This will recurse into lists and maps and so on.
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func IsUnknown(v Variable) bool {
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// If it is unknown itself, return true
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if v.Type == TypeUnknown {
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return true
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}
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// If it is a container type, check the values
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switch v.Type {
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case TypeList:
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for _, el := range v.Value.([]Variable) {
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if IsUnknown(el) {
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return true
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}
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}
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case TypeMap:
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for _, el := range v.Value.(map[string]Variable) {
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if IsUnknown(el) {
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return true
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}
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}
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default:
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}
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// Not a container type or survive the above checks
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return false
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}
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