Add ruby-lsp-doctor tool for troubleshooting indexing problems (#1117)

Add tool for troubleshooting indexing problems

Author: andyw8

.github/workflows/ci.yml

@@ -42,3 +42,6 @@ jobs:
 
       - name: Run tests
         run: bundle exec rake
+
+      - name: Run index troubleshooting tool
+        run: ./exe/ruby-lsp-doctor

exe/ruby-lsp-doctor

@@ -0,0 +1,16 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require "bundler/setup"
+
+require "ruby_lsp/internal"
+
+index = RubyIndexer::Index.new
+
+RubyIndexer.configuration.indexables.each do |indexable|
+  puts "indexing: #{indexable.full_path}"
+  content = File.read(indexable.full_path)
+  result = Prism.parse(content)
+  visitor = RubyIndexer::IndexVisitor.new(index, result, indexable.full_path)
+  result.value.accept(visitor)
+end

ruby-lsp.gemspec

@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
 
   s.files = Dir.glob("lib/**/*.rb") + ["README.md", "VERSION", "LICENSE.txt"]
   s.bindir = "exe"
-  s.executables = ["ruby-lsp", "ruby-lsp-check"]
+  s.executables = ["ruby-lsp", "ruby-lsp-check", "ruby-lsp-index-info"]
   s.require_paths = ["lib"]
 
   s.add_dependency("language_server-protocol", "~> 3.17.0")