Use rbs gem

Rakefile

@@ -8,19 +8,6 @@ Rake::TestTask.new(:test) do |t|
 end
 
 task :default => :test
-task :build => :parser
-task :test => :parser
-task :install => [:reset, :parser]
-
-task :parser do
-  Dir.chdir "vendor/ruby-signature" do
-    sh "bundle exec rake parser"
-  end
-end
-
-task :reset do
-  sh "git submodule update -f --init"
-end
 
 task :smoke do
   sh "bundle", "exec", "bin/smoke_runner.rb", *Dir.glob("smoke/*")

bin/setup

@@ -5,5 +5,3 @@ set -vx
 
 bundle install
 
-# Do any other automated setup that you need to do here
-bundle exec rake reset parser

bin/smoke_runner.rb

@@ -2,7 +2,6 @@
 
 require "pathname"
 
-$LOAD_PATH << Pathname(__dir__) + '../vendor/ruby-signature/lib'
 $LOAD_PATH << Pathname(__dir__) + "../lib"
 
 require "steep"

exe/steep

@@ -2,7 +2,6 @@
 
 require 'pathname'
 
-$LOAD_PATH << Pathname(__dir__) + "../vendor/ruby-signature/lib"
 $LOAD_PATH << Pathname(__dir__) + "../lib"
 
 require 'steep'

steep.gemspec

@@ -16,12 +16,7 @@ Gem::Specification.new do |spec|
 
   spec.files         = `git ls-files -z`.split("\x0").reject {|f|
     f.match(%r{^(test|spec|features)/})
-  } + Dir.chdir("vendor/ruby-signature") {
-    `git ls-files -z`.split("\x0")
-      .reject {|f| f.match(%r{^(test|spec|features)/}) }
-      .map {|f| File.join("vendor/ruby-signature", f) }
   }
-  spec.files         << "vendor/ruby-signature/lib/rbs/parser.rb"
 
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
@@ -43,4 +38,5 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency "listen", "~> 3.1"
   spec.add_runtime_dependency "pry", "~> 0.12.2"
   spec.add_runtime_dependency "language_server-protocol", "~> 3.14.0.2"
+  spec.add_runtime_dependency "rbs", "~> 0.2.0"
 end

test/test_helper.rb

@@ -1,4 +1,3 @@
-$LOAD_PATH.unshift File.expand_path('../../vendor/ruby-signature/lib', __FILE__)
 $LOAD_PATH.unshift File.expand_path('../../lib', __FILE__)
 require 'steep'