(Re)implement the CLI

.gitignore

@@ -1,4 +1,4 @@
-/coverage/
+/tmp/
 dog_bench.stackprof.dump
 dog_bench.pf2profile
 dog_bench.json

bin/typeprof

@@ -2,26 +2,4 @@
 
 require_relative "../lib/typeprof"
 
-case ARGV[0]
-when "--version"
-  puts "typeprof 0.30.0"
-when "--lsp"
-  mode = ARGV[1]&.to_sym || :socket
-
-  core = TypeProf::Core::Service.new
-  begin
-    case mode
-    when :socket
-      TypeProf::LSP::Server.start_socket(core)
-    when :stdio
-      TypeProf::LSP::Server.start_stdio(core)
-    else
-      puts "lsp mode '#{mode}' is not supported. expected mode: socket, stdio"
-    end
-  rescue Exception
-    puts $!.detailed_message(highlight: false)
-    raise
-  end
-else
-  p ARGV
-end
+TypeProf::CLI::CLI.new(ARGV).run

lib/typeprof.rb

@@ -3,3 +3,4 @@
 require_relative "typeprof/diagnostic"
 require_relative "typeprof/core"
 require_relative "typeprof/lsp"
+require_relative "typeprof/cli"

lib/typeprof/cli.rb

@@ -0,0 +1,4 @@
+require "optparse"
+require "pathname"
+
+require_relative "cli/cli"

lib/typeprof/cli/cli.rb

@@ -0,0 +1,180 @@
+require "io/console"
+
+module TypeProf::CLI
+  class CLI
+    def initialize(argv)
+      opt = OptionParser.new
+
+      opt.banner = "Usage: #{ opt.program_name } [options] files_or_dirs..."
+
+      core_options = {}
+      lsp_options = {}
+      cli_options = {}
+
+      output = nil
+      rbs_collection_path = nil
+
+      opt.separator ""
+      opt.separator "Options:"
+      opt.on("-o OUTFILE", "Output to OUTFILE instead of stdout") {|v| output = v }
+      opt.on("-q", "--quiet", "Quiet mode") do
+        core_options[:display_indicator] = false
+      end
+      opt.on("-v", "--verbose", "Verbose mode") do
+        core_options[:show_errors] = true
+      end
+      opt.on("--version", "Display typeprof version") { cli_options[:display_version] = true }
+      opt.on("--collection PATH", "File path of collection configuration") { |v| rbs_collection_path = v }
+      opt.on("--no-collection", "Ignore collection configuration") { rbs_collection_path = :no }
+      opt.on("--lsp", "LSP server mode") do |v|
+        core_options[:display_indicator] = false
+        cli_options[:lsp] = true
+      end
+
+      opt.separator ""
+      opt.separator "Analysis output options:"
+      opt.on("--[no-]show-typeprof-version", "Display TypeProf version in a header") {|v| core_options[:output_typeprof_version] = v }
+      opt.on("--[no-]show-errors", "Display possible errors found during the analysis") {|v| core_options[:output_diagnostics] = v }
+      opt.on("--[no-]show-parameter-names", "Display parameter names for methods") {|v| core_options[:output_parameter_names] = v }
+      opt.on("--[no-]show-source-locations", "Display definition source locations for methods") {|v| core_options[:output_source_locations] = v }
+
+      opt.separator ""
+      opt.separator "Advanced options:"
+      opt.on("--[no-]stackprof MODE", /\Acpu|wall|object\z/, "Enable stackprof (for debugging purpose)") {|v| cli_options[:stackprof] = v.to_sym }
+
+      opt.separator ""
+      opt.separator "LSP options:"
+      opt.on("--port PORT", Integer, "Specify a port number to listen for requests on") {|v| lsp_options[:port] = v }
+      opt.on("--stdio", "Use stdio for LSP transport") {|v| lsp_options[:stdio] = v }
+
+      opt.parse!(argv)
+
+      if cli_options[:lsp] && !lsp_options.empty?
+        raise OptionParser::InvalidOption.new("lsp options with non-lsp mode")
+      end
+
+      @core_options = {
+        rbs_collection: setup_rbs_collection(rbs_collection_path),
+        display_indicator: $stderr.tty?,
+        output_typeprof_version: true,
+        output_errors: false,
+        output_parameter_names: false,
+        output_source_locations: false,
+      }.merge(core_options)
+
+      @lsp_options = {
+        port: 0,
+        stdio: false,
+      }.merge(lsp_options)
+
+      @cli_options = {
+        argv:,
+        output: output ? open(output, "w") : $stdout.dup,
+        display_version: false,
+        stackprof: nil,
+        lsp: false,
+      }.merge(cli_options)
+
+    rescue OptionParser::InvalidOption, OptionParser::MissingArgument
+      puts $!
+      exit 1
+    end
+
+    def setup_rbs_collection(path)
+      return nil if path == :no
+
+      unless path
+        path = RBS::Collection::Config::PATH.exist? ? RBS::Collection::Config::PATH.to_s : nil
+        return nil unless path
+      end
+
+      if !File.readable?(path)
+        raise OptionParser::InvalidOption.new("file not found: #{ path }")
+      end
+
+      lock_path = RBS::Collection::Config.to_lockfile_path(Pathname(path))
+      if !File.readable?(lock_path)
+        raise OptionParser::InvalidOption.new("file not found: #{ lock_path.to_s }; please run 'rbs collection install")
+      end
+
+      RBS::Collection::Config::Lockfile.from_lockfile(lockfile_path: lock_path, data: YAML.load_file(lock_path))
+    end
+
+    attr_reader :core_options, :lsp_options, :cli_options
+
+    def run
+      core = TypeProf::Core::Service.new(@core_options)
+
+      if @cli_options[:lsp]
+        run_lsp(core)
+      else
+        run_cli(core)
+      end
+    end
+
+    def run_lsp(core)
+      if @lsp_options[:stdio]
+        TypeProf::LSP::Server.start_stdio(core)
+      else
+        TypeProf::LSP::Server.start_socket(core)
+      end
+    rescue Exception
+      puts $!.detailed_message(highlight: false).gsub(/^/, "---")
+      raise
+    end
+
+    def run_cli(core)
+      puts "typeprof #{ TypeProf::VERSION }" if @cli_options[:display_version]
+
+      files = find_files
+
+      set_profiler do
+        output = @cli_options[:output]
+
+        core.batch(files, @cli_options[:output])
+
+        output.close
+      end
+
+    rescue OptionParser::InvalidOption, OptionParser::MissingArgument
+      puts $!
+      exit 1
+    end
+
+    def find_files
+      files = []
+      @cli_options[:argv].each do |path|
+        if File.directory?(path)
+          files.concat(Dir.glob("#{ path }/**/*.{rb,rbs}"))
+        elsif File.file?(path)
+          files << path
+        else
+          raise OptionParser::InvalidOption.new("no such file or directory -- #{ path }")
+        end
+      end
+
+      if files.empty?
+        exit if @cli_options[:display_version]
+        raise OptionParser::InvalidOption.new("no input files")
+      end
+
+      files
+    end
+
+    def set_profiler
+      if @cli_options[:stackprof]
+        require "stackprof"
+        out = "typeprof-stackprof-#{ @cli_options[:stackprof] }.dump"
+        StackProf.start(mode: @cli_options[:stackprof], out: out, raw: true)
+      end
+
+      yield
+
+    ensure
+      if @cli_options[:stackprof] && defined?(StackProf)
+        StackProf.stop
+        StackProf.results
+      end
+    end
+  end
+end

lib/typeprof/core/graph/box.rb

@@ -554,7 +554,7 @@ def call(changes, genv, a_args, ret)
       end
     end
 
-    def show
+    def show(output_parameter_names)
       block_show = []
       if @record_block.used
         blk_f_args = @record_block.f_args.map {|arg| arg.show }.join(", ")
@@ -585,6 +585,21 @@ def show
       if @f_args.rest_keywords
         args << "**#{ Type.strip_parens(@f_args.rest_keywords.show) }"
       end
+
+      if output_parameter_names && @node.is_a?(AST::DefNode)
+        names = []
+        names.concat(@node.req_positionals)
+        names.concat(@node.opt_positionals)
+        names.concat(@node.rest_positionals) if @node.rest_positionals
+        names.concat(@node.post_positionals)
+        names.concat(@node.req_keywords)
+        names.concat(@node.opt_keywords)
+        names.concat(@node.rest_keywords) if @node.rest_keywords
+        args = args.zip(names).map do |arg, name|
+          name ? "#{ arg } #{ name }" : arg
+        end
+      end
+
       args = args.join(", ")
       s = args.empty? ? [] : ["(#{ args })"]
       s << "#{ block_show.sort.join(" | ") }" unless block_show.empty?