Drop support for Rubinius

Fixes #1775 (Drop support for Rubinius)

I am amazed how many hacks we've had just to support Rubinius. It feels good to
be able to remove them and reduce the complexity of the codebase.

.gitignore

@@ -11,7 +11,6 @@ coverage/
 /tags
 vendor
 *.gem
-.rbx/
 .rvmrc
 Gemfile.lock
 *.swp

.rubocop_todo.yml

@@ -206,7 +206,6 @@ Layout/EmptyLinesAroundAccessModifier:
     - 'lib/pry/helpers/table.rb'
     - 'lib/pry/history_array.rb'
     - 'lib/pry/plugins.rb'
-    - 'lib/pry/rbx_path.rb'
     - 'spec/method_spec.rb'
 
 # Offense count: 1
@@ -828,7 +827,6 @@ Naming/MethodName:
 Naming/PredicateName:
   Exclude:
     - 'spec/**/*'
-    - 'lib/pry/rbx_path.rb'
 
 # Offense count: 26
 # Configuration parameters: MinNameLength, AllowNamesEndingInNumbers, AllowedNames, ForbiddenNames.
@@ -842,13 +840,6 @@ Performance/Casecmp:
   Exclude:
     - 'lib/pry/slop/option.rb'
 
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: IncludeActiveSupportAliases.
-Performance/DoubleStartEndWith:
-  Exclude:
-    - 'lib/pry/rbx_path.rb'
-
 # Offense count: 2
 # Cop supports --auto-correct.
 Performance/InefficientHashSearch:
@@ -1050,7 +1041,6 @@ Style/DoubleNegation:
     - 'lib/pry/method/weird_method_locator.rb'
     - 'lib/pry/pager.rb'
     - 'lib/pry/platform.rb'
-    - 'lib/pry/rbx_path.rb'
     - 'lib/pry/slop/option.rb'
     - 'lib/pry/wrapped_module.rb'
 

Gemfile

@@ -22,9 +22,3 @@ end
 group :development, :test do
   gem 'simplecov', '~> 0.8.0'
 end
-
-platform :rbx do
-  gem 'rubysl-singleton'
-  gem 'rubysl-prettyprint'
-  gem 'rb-readline'
-end

lib/pry.rb

@@ -133,7 +133,6 @@ require 'pathname'
 
 require 'pry/version'
 require 'pry/repl'
-require 'pry/rbx_path'
 require 'pry/code'
 require 'pry/history_array'
 require 'pry/helpers'

lib/pry/code/code_file.rb

@@ -41,8 +41,6 @@ class Pry
         Pry.line_buffer.drop(1)
       elsif Pry::Method::Patcher.code_for(@filename)
         Pry::Method::Patcher.code_for(@filename)
-      elsif RbxPath.is_core_path?(@filename)
-        File.read(RbxPath.convert_path_to_full(@filename))
       else
         path = abs_path
         @code_type = type_from_filename(path)

lib/pry/method.rb

@@ -317,7 +317,7 @@ class Pry
     #   `nil` if the filename is unavailable.
     def source_file
       if source_location.nil?
-        if !rbx? and source_type == :c
+        if source_type == :c
           info = pry_doc_info
           info.file if info
         end
@@ -531,9 +531,9 @@ class Pry
     end
 
     def ruby_source
-      # clone of MethodSource.source_helper that knows to use our
-      # hacked version of source_location for rbx core methods, and
-      # our input buffer for methods defined in (pry)
+      # Clone of `MethodSource.source_helper` that knows to use our
+      # hacked version of `source_location` for our input buffer for methods
+      # defined in `(pry)`.
       file, line = *source_location
       raise SourceNotFoundError, "Could not locate source for #{name_with_owner}!" unless file
 

lib/pry/method/weird_method_locator.rb

@@ -100,8 +100,7 @@ class Pry
       # __FILE__ and __LINE__ the binding is at, we can hope to disambiguate these cases.
       #
       # This obviously won't work if the source is unavaiable for some reason, or if both
-      # methods have the same __FILE__ and __LINE__, or if we're in rbx where b.eval('__LINE__')
-      # is broken.
+      # methods have the same __FILE__ and __LINE__.
       #
       # @return [Pry::Method, nil] The Pry::Method representing the
       #   superclass method.
@@ -122,9 +121,9 @@ class Pry
           end
         end
 
-        # Uhoh... none of the methods in the chain had the right __FILE__ and __LINE__
-        # This may be caused by rbx https://github.com/rubinius/rubinius/issues/953,
-        # or other unknown circumstances (TODO: we should warn the user when this happens)
+        # Uhoh... none of the methods in the chain had the right `__FILE__` and
+        # `__LINE__` due to unknown circumstances.
+        # TODO: we should warn the user when this happens.
         nil
       end
 

lib/pry/platform.rb

@@ -59,14 +59,6 @@ module Pry::Platform
     jruby? and RbConfig::CONFIG['ruby_version'] == '1.9'
   end
 
-  #
-  # @return [Boolean]
-  #   Returns true when Pry is being run from Rubinius.
-  #
-  def rbx?
-    RbConfig::CONFIG['ruby_install_name'] == 'rbx'
-  end
-
   #
   # @return [Boolean]
   #   Returns true when Pry is being run from MRI (CRuby).
@@ -96,6 +88,6 @@ module Pry::Platform
   #    Returns an Array of Ruby engines that Pry is known to run on.
   #
   def known_engines
-    [:jruby, :rbx, :mri]
+    [:jruby, :mri]
   end
 end

lib/pry/pry_class.rb

@@ -93,9 +93,7 @@ class Pry
 
   # Expand a file to its canonical name (following symlinks as appropriate)
   def self.real_path_to(file)
-    expanded = Pathname.new(File.expand_path(file)).realpath.to_s
-    # For rbx 1.9 mode [see rubinius issue #2165]
-    File.exist?(expanded) ? expanded : nil
+    Pathname.new(File.expand_path(file)).realpath.to_s
   rescue Errno::ENOENT, Errno::EACCES
     nil
   end

lib/pry/rbx_path.rb

@@ -1,22 +0,0 @@
-class Pry
-  module RbxPath
-    module_function
-    def is_core_path?(path)
-      Pry::Helpers::BaseHelpers.rbx? && (path.start_with?("kernel") || path.start_with?("lib")) && File.exist?(convert_path_to_full(path))
-    end
-
-    def convert_path_to_full(path)
-      if path.start_with?("kernel")
-        File.join File.dirname(Rubinius::KERNEL_PATH), path
-      elsif path.start_with?("lib")
-        File.join File.dirname(Rubinius::LIB_PATH), path
-      else
-        path
-      end
-    end
-
-    def rvm_ruby?(path)
-      !!(path =~ /\.rvm/)
-    end
-  end
-end

lib/pry/wrapped_module.rb

@@ -109,10 +109,6 @@ class Pry
     def singleton_class?
       if Pry::Method.safe_send(wrapped, :respond_to?, :singleton_class?)
         Pry::Method.safe_send(wrapped, :singleton_class?)
-      elsif defined?(Rubinius)
-        # https://github.com/rubinius/rubinius/commit/2e71722dba53d1a92c54d5e3968d64d1042486fe singleton_class? added 30 Jul 2014
-        # https://github.com/rubinius/rubinius/commit/4310f6b2ef3c8fc88135affe697db4e29e4621c4 has been around since 2011
-        !!Rubinius::Type.singleton_class_object(wrapped)
       else
         wrapped != Pry::Method.safe_send(wrapped, :ancestors).first
       end
@@ -323,11 +319,11 @@ class Pry
 
     # We only want methods that have a non-nil `source_location`. We also
     # skip some spooky internal methods.
-    # (i.e we skip `__class_init__` because it's an odd rbx specific thing that causes tests to fail.)
+    #
     # @return [Array<Pry::Method>]
     def all_relevant_methods_for(mod)
       methods = all_methods_for(mod).select(&:source_location).
-        reject{ |x| x.name == '__class_init__' || method_defined_by_forwardable_module?(x) }
+        reject { |x| method_defined_by_forwardable_module?(x) }
 
       return methods unless methods.empty?
 

spec/commands/cat_spec.rb

@@ -65,8 +65,6 @@ describe "cat" do
     end
   end
 
-  # this doesnt work so well on rbx due to differences in backtrace
-  # so we currently skip rbx until we figure out a workaround
   describe "with --ex" do
     before do
       @o = Object.new
@@ -77,7 +75,6 @@ describe "cat" do
       end
     end
 
-    if !Pry::Helpers::BaseHelpers.rbx?
     it 'cat --ex should display repl code that generated exception' do
       @t.eval unindent(<<-EOS)
         begin
@@ -98,7 +95,6 @@ describe "cat" do
       expect(@t.eval('cat --ex')).to match(/this method is broken/)
     end
   end
-  end
 
   describe "with --ex N" do
     it 'should cat first level of backtrace when --ex used with no argument ' do

spec/commands/edit_spec.rb

@@ -77,10 +77,6 @@ describe "edit" do
         Pry.config.editor = lambda { |file, line|
           File.open(file, 'w'){ |f| f << 'require_relative "baz.rb"' }
           File.open(file.gsub('bar.rb', 'baz.rb'), 'w'){ |f| f << "Pad.required = true; FileUtils.rm(__FILE__)" }
-
-          if defined?(Rubinius::Compiler)
-            File.unlink Rubinius::Compiler.compiled_name file
-          end
           nil
         }
         pry_eval "edit #@tf_path"
@@ -186,15 +182,12 @@ describe "edit" do
 
       after do
         @tf.close(true)
-        File.unlink("#{@path}c") if File.exist?("#{@path}c") #rbx
+        File.unlink("#{@path}c") if File.exist?("#{@path}c")
       end
 
       it "should reload the file" do
         Pry.config.editor = lambda {|file, line|
           File.open(file, 'w'){|f| f << "FOO = 'BAR'" }
-          if defined?(Rubinius::Compiler)
-            File.unlink Rubinius::Compiler.compiled_name file
-          end
           nil
         }
 

spec/commands/ls_spec.rb

@@ -116,15 +116,11 @@ describe "ls" do
       expect { pry_eval("ls -M String.new") }.to raise_error(Pry::CommandError, /-M only makes sense with a Module or a Class/)
     end
 
-
-    # see: https://travis-ci.org/pry/pry/jobs/5071918
-    unless Pry::Helpers::BaseHelpers.rbx?
     it "should handle classes that (pathologically) define .ancestors" do
       output = pry_eval("ls Class.new{ def self.ancestors; end; def hihi; end }")
       expect(output).to match(/hihi/)
     end
   end
-  end
 
   describe 'with -l' do
     focus 'should find locals and sort by descending size' do
@@ -211,14 +207,11 @@ describe "ls" do
 
   describe "when no arguments given" do
     describe "when at the top-level" do
-      # rubinius has a bug that means local_variables of "main" aren't reported inside eval()
-      unless Pry::Helpers::BaseHelpers.rbx?
       it "should show local variables" do
         expect(pry_eval("ls")).to match(/_pry_/)
         expect(pry_eval("arbitrar = 1", "ls")).to match(/arbitrar/)
       end
     end
-    end
 
     describe "when in a class" do
       it "should show constants" do

spec/commands/save_file_spec.rb

@@ -141,7 +141,7 @@ describe "save-file" do
   end
 
   describe "saving commands" do
-    it 'should save a command to a file', expect_failure: [:rbx] do
+    it 'should save a command to a file' do
       @t.eval "save-file --to '#{@path}' show-source"
       cmd_source = Pry.config.commands["show-source"].source
       expect(File.read(@path)).to eq(cmd_source)

spec/commands/shell_command_spec.rb

@@ -18,7 +18,7 @@ describe Pry::Command::ShellCommand do
       end
 
       it "saves the current working directory" do
-        expect(Dir).to receive(:pwd).at_least(:once).and_return("initial_path") # called once in MRI, 2x in RBX
+        expect(Dir).to receive(:pwd).and_return("initial_path")
 
         @t.eval ".cd new_path"
         expect(@t.command_state.old_pwd).to eq("initial_path")
@@ -47,7 +47,7 @@ describe Pry::Command::ShellCommand do
 
         describe "given a prior directory" do
           it "sends the user's last pry working directory to File.expand_path" do
-            expect(Dir).to receive(:pwd).at_least(:twice).and_return("initial_path") # called 2x in MRI, 3x in RBX
+            expect(Dir).to receive(:pwd).twice.and_return("initial_path")
 
             expect(Dir).to receive(:chdir).with(File.expand_path("new_path"))
             @t.eval ".cd new_path"

spec/commands/show_doc_spec.rb

@@ -467,7 +467,6 @@ describe "show-doc" do
     end
   end
 
-  unless Pry::Helpers::BaseHelpers.rbx?
   describe "can't find class docs" do
     describe "for classes" do
       before do
@@ -573,5 +572,4 @@ describe "show-doc" do
       end
     end
   end
-  end
 end

spec/commands/show_source_spec.rb

@@ -649,13 +649,13 @@ describe "show-source" do
             end
 
             describe "when current context is a C object" do
-              it "should display a warning, and not monkey-patched definition", expect_failure: [:rbx] do
+              it "should display a warning, and not monkey-patched definition" do
                 out = pry_eval([1, 2, 3], 'show-source')
                 expect(out).not_to match(/doge/)
                 expect(out).to match(/warning/i)
               end
 
-              it "recommends to use the --all switch when other candidates are found", expect_failure: [:rbx] do
+              it "recommends to use the --all switch when other candidates are found" do
                 out = pry_eval([], 'show-source')
                 expect(out).to match(/'--all' switch/i)
               end
@@ -770,7 +770,6 @@ describe "show-source" do
     end
   end
 
-  unless Pry::Helpers::BaseHelpers.rbx?
   describe "can't find class/module code" do
     describe "for classes" do
       before do
@@ -882,5 +881,4 @@ describe "show-source" do
       end
     end
   end
-  end
 end

spec/commands/whereami_spec.rb

@@ -195,8 +195,6 @@ describe "whereami" do
       expect(out).to match(/blimey/)
     end
 
-    # https://github.com/rubinius/rubinius/pull/2247
-    unless Pry::Helpers::BaseHelpers.rbx?
     it 'should show class when -c option used, and binding is outside a method' do
       class Cor
         def blimey;end
@@ -208,7 +206,6 @@ describe "whereami" do
       Object.remove_const(:Cor)
     end
   end
-  end
 
   it 'should not show line numbers or marker when -n switch is used' do
     class Cor

spec/helper.rb

@@ -20,7 +20,6 @@ end.new(nil)
 
 # to help with tracking down bugs that cause an infinite loop in the test suite
 if ENV["SET_TRACE_FUNC"]
-  require 'set_trace' if Pry::Helpers::BaseHelpers.rbx?
   set_trace_func proc { |event, file, line, id, binding, classname|
      STDERR.printf "%8s %s:%-2d %10s %8s\n", event, file, line, id, classname
   }

spec/method_spec.rb

@@ -118,8 +118,6 @@ describe Pry::Method do
       expect(m.name).to eq "bar"
     end
 
-    # Our source_location trick doesn't work, due to https://github.com/rubinius/rubinius/issues/953
-    unless Pry::Helpers::BaseHelpers.rbx?
     it 'should find the super method correctly' do
       a = Class.new{ def gag33; binding; end; def self.line; __LINE__; end }
       b = Class.new(a){ def gag33; super; end }
@@ -131,7 +129,6 @@ describe Pry::Method do
       expect(m.source_line).to eq a.line
       expect(m.name).to eq "gag33"
     end
-    end
 
     it 'should find the right method if a super method exists' do
       a = Class.new{ def gag; binding; end; }
@@ -144,8 +141,6 @@ describe Pry::Method do
       expect(m.name).to eq "gag"
     end
 
-    # Temporarily disabled to work around rubinius/rubinius#2871.
-    unless Pry::Helpers::BaseHelpers.rbx?
     it "should find the right method from a BasicObject" do
       a = Class.new(BasicObject) { def gag; ::Kernel.binding; end; def self.line; __LINE__; end }
 
@@ -154,7 +149,6 @@ describe Pry::Method do
       expect(m.source_file).to eq __FILE__
       expect(m.source_line).to eq a.line
     end
-    end
 
     it 'should find the right method even if it was renamed and replaced' do
       o = Object.new

spec/pry_defaults_spec.rb

@@ -369,15 +369,12 @@ describe "test Pry defaults" do
       expect(Pry.toplevel_binding.eval('self')).to equal(TOPLEVEL_BINDING.eval('self'))
     end
 
-    # https://github.com/rubinius/rubinius/issues/1779
-    unless Pry::Helpers::BaseHelpers.rbx?
     it 'should define private methods on Object' do
       TOPLEVEL_BINDING.eval 'def gooey_fooey; end'
       expect(method(:gooey_fooey).owner).to eq Object
       expect(Pry::Method(method(:gooey_fooey)).visibility).to eq :private
     end
   end
-  end
 
   it 'should set the hooks default, and the default should be overridable' do
     Pry.config.input = InputTester.new("exit-all")

spec/pryrc_spec.rb

@@ -37,7 +37,7 @@ describe Pry do
       end
     end
 
-    it "should not load the pryrc if pryrc's directory permissions do not allow this", expect_failure: [:rbx] do
+    it "should not load the pryrc if pryrc's directory permissions do not allow this" do
       Dir.mktmpdir do |dir|
         File.chmod 0000, dir
         Pry::LOCAL_RC_FILE.replace File.join(dir, '.pryrc')

spec/syntax_checking_spec.rb

@@ -28,10 +28,10 @@ describe Pry do
     ["puts )("],
     ["1 1"],
     ["puts :"]
-  ] + (Pry::Helpers::BaseHelpers.rbx? ? [] : [
+  ] + [
     ["def", "method(1"], # in this case the syntax error is "expecting ')'".
     ["o = Object.new.tap{ def o.render;","'MEH'", "}"] # in this case the syntax error is "expecting keyword_end".
-  ])).compact.each do |foo|
+  ]).compact.each do |foo|
     it "should raise an error on invalid syntax like #{foo.inspect}" do
       redirect_pry_io(InputTester.new(*foo), @str_output) do
         Pry.start