Add bin and edit workflow

bin/gems/pry-0.15.2/lib/pry/cli.rb

@@ -0,0 +1,211 @@
+# frozen_string_literal: true
+
+require 'stringio'
+
+class Pry
+  # Manage the processing of command line options
+  class CLI
+    NoOptionsError = Class.new(StandardError)
+
+    class << self
+      # @return [Proc] The Proc defining the valid command line options.
+      attr_accessor :options
+
+      # @return [Array] The Procs that process the parsed options. Plugins can
+      #   utilize this facility in order to add and process their own Pry
+      #   options.
+      attr_accessor :option_processors
+
+      # @return [Array<String>] The input array of strings to process
+      #   as CLI options.
+      attr_accessor :input_args
+
+      # Add another set of CLI options (a Pry::Slop block)
+      def add_options(&block)
+        if options
+          old_options = options
+          self.options = proc do
+            instance_exec(&old_options)
+            instance_exec(&block)
+          end
+        else
+          self.options = block
+        end
+
+        self
+      end
+
+      # Add a block responsible for processing parsed options.
+      def add_option_processor(&block)
+        self.option_processors ||= []
+        option_processors << block
+
+        self
+      end
+
+      # Clear `options` and `option_processors`
+      def reset
+        self.options           = nil
+        self.option_processors = nil
+      end
+
+      def parse_options(args = ARGV)
+        unless options
+          raise NoOptionsError,
+                "No command line options defined! Use Pry::CLI.add_options to " \
+                "add command line options."
+        end
+
+        @pass_argv = args.index { |cli_arg| %w[- --].include?(cli_arg) }
+        if @pass_argv
+          slop_args = args[0...@pass_argv]
+          self.input_args = args.replace(args[@pass_argv + 1..-1])
+        else
+          self.input_args = slop_args = args
+        end
+
+        begin
+          opts = Pry::Slop.parse!(
+            slop_args,
+            help: true,
+            multiple_switches: false,
+            strict: true,
+            &options
+          )
+        rescue Pry::Slop::InvalidOptionError
+          # Display help message on unknown switches and exit.
+          puts Pry::Slop.new(&options)
+          Kernel.exit
+        end
+
+        Pry.initial_session_setup
+        Pry.final_session_setup
+
+        # Option processors are optional.
+        option_processors.each { |processor| processor.call(opts) } if option_processors
+
+        opts
+      end
+
+      def start(opts)
+        Kernel.exit if opts.help?
+
+        # invoked via cli
+        Pry.cli = true
+
+        # create the actual context
+        if opts[:context]
+          Pry.initial_session_setup
+          context = Pry.binding_for(eval(opts[:context])) # rubocop:disable Security/Eval
+          Pry.final_session_setup
+        else
+          context = Pry.toplevel_binding
+        end
+
+        if !@pass_argv && Pry::CLI.input_args.any? && Pry::CLI.input_args != ["pry"]
+          full_name = File.expand_path(Pry::CLI.input_args.first)
+          Pry.load_file_through_repl(full_name)
+          Kernel.exit
+        end
+
+        # Start the session (running any code passed with -e, if there is any)
+        Pry.start(context, input: StringIO.new(Pry.config.exec_string))
+      end
+    end
+
+    reset
+  end
+end
+
+# The default Pry command line options (before plugin options are included)
+Pry::CLI.add_options do
+  banner(
+    "Usage: pry [OPTIONS]\n" \
+    "Start a Pry session.\n" \
+    "See http://pry.github.io/ for more information.\n" \
+    "Copyright (c) 2016 John Mair (banisterfiend)" \
+  )
+
+  on(
+    :e, :exec=, "A line of code to execute in context before the session starts"
+  ) do |input|
+    Pry.config.exec_string += "\n" unless Pry.config.exec_string.empty?
+    Pry.config.exec_string += input
+  end
+
+  on "no-pager", "Disable pager for long output" do
+    Pry.config.pager = false
+  end
+
+  on "no-history", "Disable history loading" do
+    Pry.config.history_load = false
+  end
+
+  on "no-color", "Disable syntax highlighting for session" do
+    Pry.config.color = false
+  end
+
+  on "no-multiline", "Disables multiline (defaults to true with Reline)" do
+    Pry.config.multiline = false
+  end
+
+  on :f, "Suppress loading of pryrc" do
+    Pry.config.should_load_rc = false
+    Pry.config.should_load_local_rc = false
+  end
+
+  on :s, "select-plugin=", "Only load specified plugin (and no others)." do |_plugin_name|
+    warn "The --select-plugin option is deprecated and has no effect"
+  end
+
+  on :d, "disable-plugin=", "Disable a specific plugin." do |_plugin_name|
+    warn "The --disable-plugin option is deprecated and has no effect"
+  end
+
+  on "no-plugins", "Suppress loading of plugins." do
+    warn "The --no-plugins option is deprecated and has no effect"
+  end
+
+  on "plugins", "List installed plugins." do
+    warn "The --plugins option is deprecated and has no effect"
+    warn "Try using `gem list pry-`"
+    Kernel.exit
+  end
+
+  on "simple-prompt", "Enable simple prompt mode" do
+    Pry.config.prompt = Pry::Prompt[:simple]
+  end
+
+  on "noprompt", "No prompt mode" do
+    Pry.config.prompt = Pry::Prompt[:none]
+  end
+
+  on :r, :require=, "`require` a Ruby script at startup" do |file|
+    Pry.config.requires << file
+  end
+
+  on(:I=, "Add a path to the $LOAD_PATH", as: Array, delimiter: ":") do |load_path|
+    load_path.map! do |path|
+      %r{\A\./} =~ path ? path : File.expand_path(path)
+    end
+
+    $LOAD_PATH.unshift(*load_path)
+  end
+
+  on "gem", "Shorthand for -I./lib -rgemname" do |_load_path|
+    $LOAD_PATH.unshift("./lib")
+    Dir["./lib/*.rb"].each do |file|
+      Pry.config.requires << file
+    end
+  end
+
+  on :v, :version, "Display the Pry version" do
+    puts "Pry version #{Pry::VERSION} on Ruby #{RUBY_VERSION}"
+    Kernel.exit
+  end
+
+  on :c, :context=,
+     "Start the session in the specified context. Equivalent to " \
+     "`context.pry` in a session.",
+     default: "Pry.toplevel_binding"
+end