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27 lines
581 B
Go
27 lines
581 B
Go
package eval
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// Scope represents a lexical scope. It holds variables and imports.
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type Scope struct {
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Names Namespace
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Uses map[string]Namespace
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}
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func makeScope() Scope {
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return Scope{Namespace{}, map[string]Namespace{}}
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}
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// Namespace is a map from names to variables.
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type Namespace map[string]Variable
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// staticScope represents static information of a staticScope.
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// TODO(xiaq): Represent Scope.Uses as well.
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type staticScope map[string]bool
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func makeStaticScope(s Namespace) staticScope {
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sc := staticScope{}
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for name := range s {
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sc[name] = true
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}
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return sc
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}
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