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Add a .trimmed to remove leading/trailing trivia #1308

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Merged
merged 1 commit into from
Feb 3, 2023
Merged

Add a .trimmed to remove leading/trailing trivia #1308

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15 changes: 11 additions & 4 deletions Sources/SwiftSyntax/Syntax.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -565,12 +565,19 @@ public extension SyntaxProtocol {
data.raw.write(to: &target)
}

/// A copy of this node without the leading trivia of the first token in the
/// node and the trailing trivia of the last token in the node.
var trimmed: Self {
// TODO: Should only need one new node here
return self.with(\.leadingTrivia, []).with(\.trailingTrivia, [])
}

/// The description of this node without the leading trivia of the first token
/// in the node and the trailing trivia of the last token in the node
/// in the node and the trailing trivia of the last token in the node.
var trimmedDescription: String {
// TODO: We shouldn't need to create two intermediate nodes from the `with`
// functions just to get the description without trivia.
return self.with(\.leadingTrivia, []).with(\.trailingTrivia, []).description
// TODO: We shouldn't need to create to copies just to get the description
// without trivia.
return self.trimmed.description
}
}

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