exercism · IsaacG · May 13, 2026
@@ -1 +1 @@
-ruby-3.3.0
+ruby-4.0.3
@@ -1,23 +1,22 @@
-FROM ruby:3.2.2-alpine3.18 AS build
+FROM ruby:4.0.4-alpine3.23@sha256:ac9c68cd41d6a49a9138fca74aa344968e8ddb5e20d8a3b1f455b97c7148f8da AS build
 
 RUN apk update && apk upgrade && \
-    apk add --no-cache bash git openssh && \
-    apk add build-base gcc wget git
+    apk add --no-cache git openssh build-base gcc wget git
 
-COPY Gemfile Gemfile.lock .
+COPY Gemfile Gemfile.lock ./
 
-RUN gem install bundler:2.4.18 && \
+RUN gem install bundler:4.0.11 && \
     bundle config set without 'development test' && \
     bundle install
 
-FROM ruby:3.2.2-alpine3.18 AS runtime
+FROM ruby:4.0.4-alpine3.23@sha256:ac9c68cd41d6a49a9138fca74aa344968e8ddb5e20d8a3b1f455b97c7148f8da AS runtime
 
 RUN apk add --no-cache bash
 
-WORKDIR /opt/analyzer
-
 COPY --from=build /usr/local/bundle /usr/local/bundle
 
+WORKDIR /opt/analyzer
+
 COPY . .
 
 ENTRYPOINT ["sh", "/opt/analyzer/bin/run.sh"]
@@ -1,23 +1,26 @@
 source 'https://rubygems.org'
 
 git_source(:github) do |repo_name|
-  repo_name = "#{repo_name}/#{repo_name}" unless repo_name.include?("/")
+  repo_name = "#{repo_name}/#{repo_name}" unless repo_name.include?('/')
   "https://github.com/#{repo_name}.git"
 end
 
-gem 'mandate'
-gem 'rake'
-gem 'json'
 gem 'activesupport'
+gem 'json'
+gem 'mutex_m'
+gem 'rake'
 
-gem 'parser'
-gem 'rubocop'
-gem 'rubocop-minitest'
-gem 'rubocop-performance'
 
 group :test do
+  gem 'mandate'
   gem 'minitest'
   gem 'minitest-stub-const'
   gem 'mocha'
+  gem 'pry'
+  gem 'sexp_processor'
   gem 'simplecov', '~> 0.17.0'
+  gem 'rubocop'
+  gem 'rubocop-ast'
+  gem 'rubocop-minitest'
+  gem 'rubocop-performance'
 end
@@ -1,75 +1,95 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (7.2.3.1)
+    activesupport (8.1.3)
       base64
-      benchmark (>= 0.3)
       bigdecimal
       concurrent-ruby (~> 1.0, >= 1.3.1)
       connection_pool (>= 2.2.5)
       drb
       i18n (>= 1.6, < 2)
+      json
       logger (>= 1.4.2)
-      minitest (>= 5.1, < 6)
+      minitest (>= 5.1)
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
-    ast (2.4.2)
+      uri (>= 0.13.1)
+    ast (2.4.3)
     base64 (0.3.0)
-    benchmark (0.5.0)
-    bigdecimal (4.0.1)
+    bigdecimal (4.1.2)
+    coderay (1.1.3)
     concurrent-ruby (1.3.6)
     connection_pool (3.0.2)
-    docile (1.4.0)
+    docile (1.4.1)
     drb (2.2.3)
     i18n (1.14.8)
       concurrent-ruby (~> 1.0)
-    json (2.7.2)
-    language_server-protocol (3.17.0.3)
+    io-console (0.8.2)
+    json (2.19.5)
+    language_server-protocol (3.17.0.5)
+    lint_roller (1.1.0)
     logger (1.7.0)
     mandate (2.2.0)
-    minitest (5.24.1)
+    method_source (1.1.0)
+    minitest (6.0.6)
+      drb (~> 2.0)
+      prism (~> 1.5)
     minitest-stub-const (0.6)
-    mocha (2.4.0)
+    mocha (3.1.0)
       ruby2_keywords (>= 0.0.5)
-    parallel (1.25.1)
-    parser (3.3.3.0)
+    mutex_m (0.3.0)
+    parallel (2.1.0)
+    parser (3.3.11.1)
       ast (~> 2.4.1)
       racc
-    racc (1.8.0)
+    prism (1.9.0)
+    pry (0.16.0)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+      reline (>= 0.6.0)
+    racc (1.8.1)
     rainbow (3.1.1)
-    rake (13.2.1)
-    regexp_parser (2.9.2)
-    rexml (3.4.2)
-    rubocop (1.64.1)
+    rake (13.4.2)
+    regexp_parser (2.12.0)
+    reline (0.6.3)
+      io-console (~> 0.5)
+    rubocop (1.86.1)
       json (~> 2.3)
-      language_server-protocol (>= 3.17.0)
-      parallel (~> 1.10)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
+      parallel (>= 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8, < 3.0)
-      rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.49.0, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.31.3)
-      parser (>= 3.3.1.0)
-    rubocop-minitest (0.35.0)
-      rubocop (>= 1.61, < 2.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
-    rubocop-performance (1.21.1)
-      rubocop (>= 1.48.1, < 2.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.49.1)
+      parser (>= 3.3.7.2)
+      prism (~> 1.7)
+    rubocop-minitest (0.39.1)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.38.0, < 2.0)
+    rubocop-performance (1.26.1)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.47.1, < 2.0)
     ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
     securerandom (0.4.1)
+    sexp_processor (4.17.5)
     simplecov (0.17.1)
       docile (~> 1.1)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.5.0)
+    unicode-display_width (3.2.0)
+      unicode-emoji (~> 4.1)
+    unicode-emoji (4.2.0)
+    uri (1.1.1)
 
 PLATFORMS
   ruby
@@ -81,12 +101,15 @@ DEPENDENCIES
   minitest
   minitest-stub-const
   mocha
-  parser
+  mutex_m
+  pry
   rake
   rubocop
+  rubocop-ast
   rubocop-minitest
   rubocop-performance
+  sexp_processor
   simplecov (~> 0.17.0)
 
 BUNDLED WITH
-   2.4.18
+  4.0.11
@@ -23,12 +23,10 @@ for test_dir in tests/*/*; do
 
     bin/run.sh "${test_slug}" "${test_dir_path}" "${test_dir_path}"
 
-    # echo "${test_dir_name}: comparing analysis.json to expected_analysis.json"
-    # diff "${results_file_path}" "${expected_results_file_path}"
-
-    # if [ $? -ne 0 ]; then
-    #     exit_code=1
-    # fi
+    echo "${test_dir_name}: comparing analysis.json to expected_analysis.json"
+    if ! diff "${results_file_path}" "${expected_results_file_path}"; then
+        exit_code=1
+    fi
 done
 
-exit ${exit_code}
+exit "${exit_code}"
@@ -17,7 +17,7 @@
 require 'mandate'
 require 'json'
 require 'rubocop'
-require 'parser/current'
+require 'prism'
 require 'active_support/inflector'
 
 require_relative "generic/helpers"

@@ -44,12 +44,7 @@ def default_argument_value
 
   def root_node
     @root_node ||= begin
-      buffer        = Parser::Source::Buffer.new(nil)
-      buffer.source = code_to_analyze
-      builder       = RuboCop::AST::Builder.new
-      parser        = Parser::CurrentRuby.new(builder)
-
-      parser.parse(buffer)
+      Prism::Translation::RubyParser.parse(code_to_analyze)
     end
   end
 end
@@ -16,12 +16,7 @@
 class Minitest::Test
   def parse_ast(source)
     @parse_ast ||= begin
-      buffer        = Parser::Source::Buffer.new(nil)
-      buffer.source = source
-      builder       = RuboCop::AST::Builder.new
-      parser        = Parser::CurrentRuby.new(builder)
-
-      parser.parse(buffer)
+      Prism::Translation::RubyParser.parse(source)
     end
   end