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File Manager

Path: /opt/chef/embedded/lib/ruby/gems/2.7.0/gems/pry-0.13.1/lib/pry/commands/ls/

Viewing File: globals.rb

# frozen_string_literal: true

class Pry
  class Command
    class Ls < Pry::ClassCommand
      class Globals < Pry::Command::Ls::Formatter
        # Taken from "puts global_variables.inspect".
        BUILTIN_GLOBALS =
          %w[$" $$ $* $, $-0 $-F $-I $-K $-W $-a $-d $-i $-l $-p $-v $-w $. $/ $\\
             $: $; $< $= $> $0 $ARGV $CONSOLE $DEBUG $DEFAULT_INPUT $DEFAULT_OUTPUT
             $FIELD_SEPARATOR $FILENAME $FS $IGNORECASE $INPUT_LINE_NUMBER
             $INPUT_RECORD_SEPARATOR $KCODE $LOADED_FEATURES $LOAD_PATH $NR $OFS
             $ORS $OUTPUT_FIELD_SEPARATOR $OUTPUT_RECORD_SEPARATOR $PID $PROCESS_ID
             $PROGRAM_NAME $RS $VERBOSE $deferr $defout $stderr $stdin $stdout].freeze

        # `$SAFE` and `$?` are thread-local, the exception stuff only works in a
        # rescue clause, everything else is basically a local variable with a `$`
        # in its name.
        PSEUDO_GLOBALS =
          %w[$! $' $& $` $@ $? $+ $_ $~ $1 $2 $3 $4 $5 $6 $7 $8 $9
             $CHILD_STATUS $SAFE $ERROR_INFO $ERROR_POSITION $LAST_MATCH_INFO
             $LAST_PAREN_MATCH $LAST_READ_LINE $MATCH $POSTMATCH $PREMATCH].freeze

        def initialize(opts, pry_instance)
          super(pry_instance)
          @default_switch = opts[:globals]
        end

        def output_self
          variables = format(@target.eval('global_variables'))
          output_section('global variables', grep.regexp[variables])
        end

        private

        def format(globals)
          globals.map(&:to_s).sort_by(&:downcase).map do |name|
            if PSEUDO_GLOBALS.include?(name)
              color(:pseudo_global, name)
            elsif BUILTIN_GLOBALS.include?(name)
              color(:builtin_global, name)
            else
              color(:global_var, name)
            end
          end
        end
      end
    end
  end
end