832ef1f743
This change lays some groundwork that registers symbols when doing semantic analysis of the resulting AST. For now, that just entails detecting duplicate services by way of symbol registration. Note that we've also split binding into two phases to account for the fact that intra-stack dependencies are wholly legal.
28 lines
619 B
Go
28 lines
619 B
Go
// Copyright 2016 Marapongo, Inc. All rights reserved.
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package ast
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import (
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"strings"
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)
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// NameDelimiter is what delimits Namespace and Name parts.
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const NameDelimiter = "/"
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// NamePart extracts the name portion of a Name (dropping any Namespace).
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func NamePart(nm Name) Name {
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ix := strings.LastIndex(string(nm), NameDelimiter)
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if ix == -1 {
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return nm
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}
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return nm[ix+1:]
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}
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// NamespacePart extracts the namespace portion of a Name (dropping the Name); this may be empty.
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func NamespacePart(nm Name) Name {
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ix := strings.LastIndex(string(nm), NameDelimiter)
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if ix == -1 {
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return ""
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}
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return nm[:ix]
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}
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