Class: RBS::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/rbs/cli.rb

Defined Under Namespace

Classes: LibraryOptions

Constant Summary collapse

COMMANDS = 
[:ast, :list, :ancestors, :methods, :method, :validate, :constant, :paths, :prototype, :vendor, :version, :parse]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(stdout:, stderr:) ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/rbs/cli.rb', line 34

def initialize(stdout:, stderr:)
  @stdout = stdout
  @stderr = stderr
end

Instance Attribute Details

#stderr ⇒ Object (readonly)

Returns the value of attribute stderr.



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# File 'lib/rbs/cli.rb', line 32

def stderr
  @stderr
end

#stdout ⇒ Object (readonly)

Returns the value of attribute stdout.



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# File 'lib/rbs/cli.rb', line 31

def stdout
  @stdout
end

Instance Method Details

#library_parse(opts, options:) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 41

def library_parse(opts, options:)
  opts.on("-r LIBRARY") do |lib|
    options.libs << lib
  end

  opts.on("-I DIR") do |dir|
    options.dirs << dir
  end

  opts.on("--no-stdlib") do
    options.no_stdlib = true
  end

  opts
end

#parse_logging_options(opts) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 57

def parse_logging_options(opts)
  opts.on("--log-level=LEVEL", "Specify log level (defaults to `warn`)") do |level|
    RBS.logger_level = level
  end

  opts.on("--log-output=OUTPUT", "Specify the file to output log (defaults to stderr)") do |output|
    RBS.logger_output = File.open(output, "a")
  end

  opts
end

#parse_type_name(string) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 551

def parse_type_name(string)
  Namespace.parse(string).yield_self do |namespace|
    last = namespace.path.last
    TypeName.new(name: last, namespace: namespace.parent)
  end
end

#run(args) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 69

def run(args)
  options = LibraryOptions.new

  opts = OptionParser.new
  opts.banner = <<~USAGE
    Usage: rbs [options] COMMAND
    Available commands: #{COMMANDS.join(", ")}
  USAGE
  library_parse(opts, options: options)
  parse_logging_options(opts)

  opts.order!(args)

  command = args.shift&.to_sym

  if COMMANDS.include?(command)
    __send__ :"run_#{command}", args, options
  else
    stdout.puts opts.help
  end
end

#run_ancestors(args, options) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 139

def run_ancestors(args, options)
  kind = :instance

  OptionParser.new do |opts|
    opts.on("--instance") { kind = :instance }
    opts.on("--singleton") { kind = :singleton }
  end.order!(args)

  loader = EnvironmentLoader.new()

  options.setup(loader)

  env = Environment.new()
  loader.load(env: env)

  builder = DefinitionBuilder.new(env: env)
  type_name = parse_type_name(args[0]).absolute!

  if env.class?(type_name)
    ancestor = case kind
               when :instance
                 decl = env.find_class(type_name)
                 Definition::Ancestor::Instance.new(name: type_name,
                                                    args: Types::Variable.build(decl.type_params.each.map(&:name)))
               when :singleton
                 Definition::Ancestor::Singleton.new(name: type_name)
               end

    ancestors = builder.build_ancestors(ancestor)

    ancestors.each do |ancestor|
      case ancestor
      when Definition::Ancestor::Singleton
        stdout.puts "singleton(#{ancestor.name})"
      when Definition::Ancestor::ExtensionSingleton
        stdout.puts "singleton(#{ancestor.name} (#{ancestor.extension_name}))"
      when Definition::Ancestor::Instance
        if ancestor.args.empty?
          stdout.puts ancestor.name.to_s
        else
          stdout.puts "#{ancestor.name}[#{ancestor.args.join(", ")}]"
        end
      when Definition::Ancestor::ExtensionInstance
        if ancestor.args.empty?
          stdout.puts "#{ancestor.name} (#{ancestor.extension_name})"
        else
          stdout.puts "#{ancestor.name}[#{ancestor.args.join(", ")}] (#{ancestor.extension_name})"
        end
      end
    end
  else
    stdout.puts "Cannot find class: #{type_name}"
  end
end

#run_ast(args, options) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 91

def run_ast(args, options)
  loader = EnvironmentLoader.new()

  options.setup(loader)

  env = Environment.new()
  loader.load(env: env)

  stdout.print JSON.generate(env.declarations)
  stdout.flush
end

#run_constant(args, options) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 338

def run_constant(args, options)
  context = nil

  OptionParser.new do |opts|
    opts.on("--context CONTEXT") {|c| context = c }
  end.order!(args)

  unless args.size == 1
    stdout.puts "Expected one argument."
    return
  end

  loader = EnvironmentLoader.new()

  options.setup(loader)

  env = Environment.new()
  loader.load(env: env)

  builder = DefinitionBuilder.new(env: env)
  table = ConstantTable.new(builder: builder)

  namespace = context ? Namespace.parse(context).absolute! : Namespace.root
  stdout.puts "Context: #{namespace}"
  name = Namespace.parse(args[0]).to_type_name
  stdout.puts "Constant name: #{name}"

  constant = table.resolve_constant_reference(name, context: namespace.ascend.to_a)

  if constant
    stdout.puts " => #{constant.name}: #{constant.type}"
  else
    stdout.puts " => [no constant]"
  end
end

#run_list(args, options) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 103

def run_list(args, options)
  list = []

  OptionParser.new do |opts|
    opts.on("--class") { list << :class }
    opts.on("--module") { list << :module }
    opts.on("--interface") { list << :interface }
  end.order!(args)

  list.push(:class, :module, :interface) if list.empty?

  loader = EnvironmentLoader.new()

  options.setup(loader)

  env = Environment.new()
  loader.load(env: env)

  env.each_decl.sort_by {|name,| name.to_s }.each do |type_name, decl|
    case decl
    when AST::Declarations::Class
      if list.include?(:class)
        stdout.puts "#{type_name} (class)"
      end
    when AST::Declarations::Module
      if list.include?(:module)
        stdout.puts "#{type_name} (module)"
      end
    when AST::Declarations::Interface
      if list.include?(:interface)
        stdout.puts "#{type_name} (interface)"
      end
    end
  end
end

#run_method(args, options) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 239

def run_method(args, options)
  kind = :instance

  OptionParser.new do |opts|
    opts.on("--instance") { kind = :instance }
    opts.on("--singleton") { kind = :singleton }
  end.order!(args)

  unless args.size == 2
    stdout.puts "Expected two arguments, but given #{args.size}."
    return
  end

  loader = EnvironmentLoader.new()

  options.setup(loader)

  env = Environment.new()
  loader.load(env: env)

  builder = DefinitionBuilder.new(env: env)
  type_name = parse_type_name(args[0]).absolute!
  method_name = args[1].to_sym

  unless env.class?(type_name)
    stdout.puts "Cannot find class: #{type_name}"
    return
  end

  definition = case kind
               when :instance
                 builder.build_instance(type_name)
               when :singleton
                 builder.build_singleton(type_name)
               end

  method = definition.methods[method_name]

  unless method
    stdout.puts "Cannot find method: #{method_name}"
    return
  end

  stdout.puts "#{type_name}#{kind == :instance ? "#" : "."}#{method_name}"
  stdout.puts "  defined_in: #{method.defined_in&.name&.absolute!}"
  stdout.puts "  implementation: #{method.implemented_in.name.absolute!}"
  stdout.puts "  accessibility: #{method.accessibility}"
  stdout.puts "  types:"
  separator = " "
  for type in method.method_types
    stdout.puts "    #{separator} #{type}"
    separator = "|"
  end
end

#run_methods(args, options) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 194

def run_methods(args, options)
  kind = :instance
  inherit = true

  OptionParser.new do |opts|
    opts.on("--instance") { kind = :instance }
    opts.on("--singleton") { kind = :singleton }
    opts.on("--inherit") { inherit = true }
    opts.on("--no-inherit") { inherit = false }
  end.order!(args)

  unless args.size == 1
    stdout.puts "Expected one argument."
    return
  end

  loader = EnvironmentLoader.new()

  options.setup(loader)

  env = Environment.new()
  loader.load(env: env)

  builder = DefinitionBuilder.new(env: env)
  type_name = parse_type_name(args[0]).absolute!

  if env.class?(type_name)
    definition = case kind
                 when :instance
                   builder.build_instance(type_name)
                 when :singleton
                   builder.build_singleton(type_name)
                 end

    definition.methods.keys.sort.each do |name|
      method = definition.methods[name]
      if inherit || method.implemented_in == definition.declaration
        stdout.puts "#{name} (#{method.accessibility})"
      end
    end
  else
    stdout.puts "Cannot find class: #{type_name}"
  end
end

#run_parse(args, options) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 530

def run_parse(args, options)
  loader = EnvironmentLoader.new()

  syntax_error = false
  args.each do |path|
    path = Pathname(path)
    loader.each_signature(path) do |sig_path|
      Parser.parse_signature(sig_path.read)
    rescue RBS::Parser::SyntaxError => ex
      loc = ex.error_value.location
      stdout.puts "#{sig_path}:#{loc.start_line}:#{loc.start_column}: parse error on value: (#{ex.token_str})"
      syntax_error = true
    rescue RBS::Parser::SemanticsError => ex
      loc = ex.location
      stdout.puts "#{sig_path}:#{loc.start_line}:#{loc.start_column}: #{ex.original_message}"
      syntax_error = true
    end
  end
  exit 1 if syntax_error
end

#run_paths(args, options) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 378

def run_paths(args, options)
  loader = EnvironmentLoader.new()

  options.setup(loader)

  kind_of = -> (path) {
    case
    when path.file?
      "file"
    when path.directory?
      "dir"
    when !path.exist?
      "absent"
    else
      "unknown"
    end
  }

  if loader.stdlib_root
    path = loader.stdlib_root
    stdout.puts "#{path}/builtin (#{kind_of[path]}, stdlib)"
  end

  loader.paths.each do |path|
    case path
    when Pathname
      stdout.puts "#{path} (#{kind_of[path]})"
    when EnvironmentLoader::GemPath
      stdout.puts "#{path.path} (#{kind_of[path.path]}, gem, name=#{path.name}, version=#{path.version})"
    when EnvironmentLoader::LibraryPath
      stdout.puts "#{path.path} (#{kind_of[path.path]}, library, name=#{path.name})"
    end
  end
end

#run_prototype(args, options) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 413

def run_prototype(args, options)
  format = args.shift

  case format
  when "rbi", "rb"
    decls = run_prototype_file(format, args)
  when "runtime"
    require_libs = []
    relative_libs = []
    merge = false
    owners_included = []

    OptionParser.new do |opts|
      opts.on("--require LIB") do |lib|
        require_libs << lib
      end
      opts.on("--require-relative LIB") do |lib|
        relative_libs << lib
      end
      opts.on("--merge") do
        merge = true
      end
      opts.on("--method-owner CLASS") do |klass|
        owners_included << klass
      end
    end.parse!(args)

    loader = EnvironmentLoader.new()

    options.setup(loader)

    env = Environment.new()
    loader.load(env: env)

    require_libs.each do |lib|
      require(lib)
    end

    relative_libs.each do |lib|
      require(lib)
    end

    decls = Prototype::Runtime.new(patterns: args, env: env, merge: merge, owners_included: owners_included).decls
  else
    stdout.puts "Supported formats: rbi, rb, runtime"
    exit 1
  end

  writer = Writer.new(out: stdout)
  writer.write decls
end

#run_prototype_file(format, args) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 465

def run_prototype_file(format, args)
  parser = case format
           when "rbi"
             Prototype::RBI.new()
           when "rb"
             Prototype::RB.new()
           end

  args.each do |file|
    parser.parse Pathname(file).read
  end

  parser.decls
end

#run_validate(args, options) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 294

def run_validate(args, options)
  loader = EnvironmentLoader.new()

  options.setup(loader)

  env = Environment.new()
  loader.load(env: env)

  builder = DefinitionBuilder.new(env: env)

  env.each_decl do |name, decl|
    case decl
    when AST::Declarations::Class, AST::Declarations::Module
      stdout.puts "#{Location.to_string decl.location}:\tValidating class/module definition: `#{name}`..."
      builder.build_instance(decl.name.absolute!).each_type do |type|
        env.validate type, namespace: Namespace.root
      end
      builder.build_singleton(decl.name.absolute!).each_type do |type|
        env.validate type, namespace: Namespace.root
      end
    when AST::Declarations::Interface
      stdout.puts "#{Location.to_string decl.location}:\tValidating interface: `#{name}`..."
      builder.build_interface(decl.name.absolute!, decl).each_type do |type|
        env.validate type, namespace: Namespace.root
      end
    end
  end

  env.each_constant do |name, const|
    stdout.puts "#{Location.to_string const.location}:\tValidating constant: `#{name}`..."
    env.validate const.type, namespace: name.namespace
  end

  env.each_global do |name, global|
    stdout.puts "#{Location.to_string global.location}:\tValidating global: `#{name}`..."
    env.validate global.type, namespace: Namespace.root
  end

  env.each_alias do |name, decl|
    stdout.puts "#{Location.to_string decl.location}:\tValidating alias: `#{name}`..."
    env.validate decl.type, namespace: name.namespace
  end
end

#run_vendor(args, options) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 480

def run_vendor(args, options)
  clean = false
  vendor_stdlib = false
  vendor_dir = Pathname("vendor/sigs")

  OptionParser.new do |opts|
    opts.banner = <<~EOB
    Usage: rbs vendor [options] GEMS...
    Vendor signatures in the project directory.
    EOB

    opts.on("--[no-]clean", "Clean vendor directory (default: no)") do |v|
      clean = v
    end

    opts.on("--[no-]stdlib", "Vendor stdlib signatures or not (default: no)") do |v|
      vendor_stdlib = v
    end

    opts.on("--vendor-dir [DIR]", "Specify the directory for vendored signatures (default: vendor/sigs)") do |path|
      vendor_dir = Pathname(path)
    end
  end.parse!(args)

  stdout.puts "Vendoring signatures to #{vendor_dir}..."

  vendorer = Vendorer.new(vendor_dir: vendor_dir)

  if clean
    stdout.puts "  Deleting #{vendor_dir}..."
    vendorer.clean!
  end

  if vendor_stdlib
    stdout.puts "  Vendoring standard libraries..."
    vendorer.stdlib!
  end

  args.each do |gem|
    name, version = EnvironmentLoader.parse_library(gem)

    unless EnvironmentLoader.gem_sig_path(name, version)
      stdout.puts "  ⚠️ Cannot find rubygem: name=#{name}, version=#{version} 🚨"
    else
      stdout.puts "  Vendoring gem: name=#{name}, version=#{version}..."
      vendorer.gem!(name, version)
    end
  end
end

#run_version(args, options) ⇒ Object 



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# File 'lib/rbs/cli.rb', line 374

def run_version(args, options)
  stdout.puts "ruby-signature #{VERSION}"
end