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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import ArgumentParser
import SwiftParser
import SwiftSyntax
struct PrintTree: ParsableCommand, ParseCommand {
static var configuration = CommandConfiguration(
commandName: "print-tree",
abstract: "Print the syntax tree produced by parsing a source file"
)
@OptionGroup
var arguments: ParseArguments
@Flag(name: .long, help: "Include trivia in the output")
var includeTrivia: Bool = false
func run() throws {
try sourceFileContents.withUnsafeBufferPointer { sourceBuffer in
let tree = Parser.parse(source: sourceBuffer)
let resultTree: Syntax
if foldSequences {
resultTree = foldAllSequences(tree).0
} else {
resultTree = Syntax(tree)
}
print(resultTree.debugDescription(includeTrivia: includeTrivia))
}
}
}
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