007b38797b
This function is effectively the implementation of Variables for all expressions, but unfortunately we still need to declare a wrapper around it as a method on every single expression type.
21 lines
484 B
Go
21 lines
484 B
Go
package zclsyntax
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import (
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"github.com/apparentlymart/go-zcl/zcl"
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)
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// Variables returns all of the variables referenced within a given experssion.
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//
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// This is the implementation of the "Variables" method on every native
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// expression.
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func Variables(expr Expression) []zcl.Traversal {
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var vars []zcl.Traversal
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VisitAll(expr, func(n Node) zcl.Diagnostics {
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if ste, ok := n.(*ScopeTraversalExpr); ok {
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vars = append(vars, ste.Traversal)
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}
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return nil
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})
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return vars
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}
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