Add bin and edit workflow

bin/gems/pry-0.15.2/lib/pry/code/code_range.rb

@@ -0,0 +1,73 @@
+# frozen_string_literal: true
+
+class Pry
+  class Code
+    # Represents a range of lines in a code listing.
+    #
+    # @api private
+    class CodeRange
+      # @param [Integer] start_line
+      # @param [Integer?] end_line
+      def initialize(start_line, end_line = nil)
+        @start_line = start_line
+        @end_line   = end_line
+        force_set_end_line
+      end
+
+      # @param [Array<LOC>] lines
+      # @return [Range]
+      def indices_range(lines)
+        Range.new(*indices(lines))
+      end
+
+      private
+
+      attr_reader :start_line
+
+      attr_reader :end_line
+
+      # If `end_line` is equal to `nil`, then calculate it from the first
+      # parameter, `start_line`. Otherwise, leave it as it is.
+      # @return [void]
+      def force_set_end_line
+        if start_line.is_a?(Range)
+          set_end_line_from_range
+        else
+          @end_line ||= start_line
+        end
+      end
+
+      # Finds indices of `start_line` and `end_line` in the given Array of
+      # +lines+.
+      #
+      # @param [Array<LOC>] lines
+      # @return [Array<Integer>]
+      def indices(lines)
+        [find_start_index(lines), find_end_index(lines)]
+      end
+
+      # @return [Integer]
+      def find_start_index(lines)
+        return start_line if start_line < 0
+
+        lines.index { |loc| loc.lineno >= start_line } || lines.length
+      end
+
+      # @return [Integer]
+      def find_end_index(lines)
+        return end_line if end_line < 0
+
+        (lines.index { |loc| loc.lineno > end_line } || 0) - 1
+      end
+
+      # For example, if the range is 4..10, then `start_line` would be equal to
+      # 4 and `end_line` to 10.
+      # @return [void]
+      def set_end_line_from_range
+        @end_line = start_line.last
+        @end_line -= 1 if start_line.exclude_end?
+        @start_line = start_line.first
+      end
+    end
+  end
+end