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Automatically generate leading/trailing space trivia for tokens in SyntaxFactory #473

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Merged
merged 1 commit into from
Jun 27, 2022
Merged

Automatically generate leading/trailing space trivia for tokens in SyntaxFactory #473

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26 changes: 20 additions & 6 deletions Sources/SwiftSyntax/SyntaxFactory.swift.gyb
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Original file line number Diff line number Diff line change
Expand Up @@ -101,24 +101,38 @@ public enum SyntaxFactory {

/// MARK: Token Creation APIs

%{
def token_trivia(requires_space):
return '[.spaces(1)]' if requires_space else '[]'
}%

% for token in SYNTAX_TOKENS:
% leading_trivia = token_trivia(token.requires_leading_space)
% trailing_trivia = token_trivia(token.requires_trailing_space)
% if token.is_keyword:
public static func make${token.name}Keyword(leadingTrivia: Trivia = [],
trailingTrivia: Trivia = []) -> TokenSyntax {
public static func make${token.name}Keyword(
leadingTrivia: Trivia = ${leading_trivia},
trailingTrivia: Trivia = ${trailing_trivia}
) -> TokenSyntax {
return makeToken(.${token.swift_kind()}, presence: .present,
leadingTrivia: leadingTrivia,
trailingTrivia: trailingTrivia)
}
% elif token.text:
public static func make${token.name}Token(leadingTrivia: Trivia = [],
trailingTrivia: Trivia = []) -> TokenSyntax {
public static func make${token.name}Token(
leadingTrivia: Trivia = ${leading_trivia},
trailingTrivia: Trivia = ${trailing_trivia}
) -> TokenSyntax {
return makeToken(.${token.swift_kind()}, presence: .present,
leadingTrivia: leadingTrivia,
trailingTrivia: trailingTrivia)
}
% else:
public static func make${token.name}(_ text: String,
leadingTrivia: Trivia = [], trailingTrivia: Trivia = []) -> TokenSyntax {
public static func make${token.name}(
_ text: String,
leadingTrivia: Trivia = ${leading_trivia},
trailingTrivia: Trivia = ${trailing_trivia}
) -> TokenSyntax {
return makeToken(.${token.swift_kind()}(text), presence: .present,
leadingTrivia: leadingTrivia,
trailingTrivia: trailingTrivia)
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