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Showing content from https://ruby-syntax-tree.github.io/syntax_tree/SyntaxTree/CLI.html below:

module SyntaxTree::CLI - RDoc Documentation

1. SyntaxTree::
2. CLI

Syntax Tree ships with the ‘stree` CLI, which can be used to inspect and manipulate Ruby code. This module is responsible for powering that CLI.

HELP

The help message displayed if the input arguments are not correctly ordered or formatted.

def run(argv)
  name, *arguments = argv

  config_file = ConfigFile.new
  arguments.unshift(*config_file.arguments)

  options = Options.new
  options.parse(arguments)

  action =
    case name
    when "a", "ast"
      AST.new(options)
    when "c", "check"
      Check.new(options)
    when "ctags"
      CTags.new(options)
    when "debug"
      Debug.new(options)
    when "doc"
      Doc.new(options)
    when "e", "expr"
      Expr.new(options)
    when "f", "format"
      Format.new(options)
    when "help"
      puts HELP
      return 0
    when "j", "json"
      Json.new(options)
    when "lsp"
      LanguageServer.new(
        print_width: options.print_width,
        ignore_files: options.ignore_files
      ).run
      return 0
    when "m", "match"
      Match.new(options)
    when "s", "search"
      Search.new(arguments.shift)
    when "version"
      puts SyntaxTree::VERSION
      return 0
    when "w", "write"
      Write.new(options)
    else
      warn(HELP)
      return 1
    end

  
  queue = Queue.new

  
  
  if arguments.any? || options.scripts.any?
    arguments.each do |pattern|
      Dir
        .glob(pattern)
        .each do |filepath|
          
          next unless File.readable?(filepath)

          
          next if options.ignore_files.any? { File.fnmatch(_1, filepath) }

          
          queue << FileItem.new(filepath)
        end
    end

    options.scripts.each do |script|
      queue << ScriptItem.new(script, options.extension)
    end
  else
    queue << STDINItem.new(options.extension)
  end

  
  
  if process_queue(queue, action)
    action.failure
    1
  else
    action.success
    0
  end
end

Run the CLI over the given array of strings that make up the arguments passed to the invocation.

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