Add bin and edit workflow

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

@@ -0,0 +1,114 @@
+# frozen_string_literal: true
+
+require 'method_source'
+
+class Pry
+  class CodeFile
+    DEFAULT_EXT = '.rb'.freeze
+
+    # List of all supported languages.
+    # @return [Hash]
+    EXTENSIONS = {
+      %w[.py] => :python,
+      %w[.js] => :javascript,
+      %w[.css] => :css,
+      %w[.xml] => :xml,
+      %w[.php] => :php,
+      %w[.html] => :html,
+      %w[.diff] => :diff,
+      %w[.java] => :java,
+      %w[.json] => :json,
+      %w[.c .h] => :c,
+      %w[.rhtml] => :rhtml,
+      %w[.yaml .yml] => :yaml,
+      %w[.cpp .hpp .cc .h .cxx] => :cpp,
+      %w[.rb .ru .irbrc .gemspec .pryrc .rake] => :ruby
+    }.freeze
+
+    FILES = {
+      %w[Gemfile Rakefile Guardfile Capfile] => :ruby
+    }.freeze
+
+    # Store the current working directory. This allows show-source etc. to work if
+    # your process has changed directory since boot. [Issue #675]
+    INITIAL_PWD = Dir.pwd
+
+    # @return [Symbol] The type of code stored in this wrapper.
+    attr_reader :code_type
+
+    # @param [String] filename The name of a file with code to be detected
+    # @param [Symbol] code_type The type of code the `filename` contains
+    def initialize(filename, code_type = type_from_filename(filename))
+      @filename = filename
+      @code_type = code_type
+    end
+
+    # @return [String] The code contained in the current `@filename`.
+    def code
+      if @filename == Pry.eval_path
+        Pry.line_buffer.drop(1)
+      elsif Pry::Method::Patcher.code_for(@filename)
+        Pry::Method::Patcher.code_for(@filename)
+      else
+        path = abs_path
+        @code_type = type_from_filename(path)
+        File.read(path)
+      end
+    end
+
+    private
+
+    # @raise [MethodSource::SourceNotFoundError] if the `filename` is not
+    #   readable for some reason.
+    # @return [String] absolute path for the given `filename`.
+    def abs_path
+      code_path.detect { |path| readable?(path) } ||
+        raise(MethodSource::SourceNotFoundError,
+              "Cannot open #{@filename.inspect} for reading.")
+    end
+
+    # @param [String] path
+    # @return [Boolean] if the path, with or without the default ext,
+    #   is a readable file then `true`, otherwise `false`.
+    def readable?(path)
+      File.readable?(path) && !File.directory?(path) ||
+        File.readable?(path << DEFAULT_EXT)
+    end
+
+    # @return [Array] All the paths that contain code that Pry can use for its
+    #   API's. Skips directories.
+    def code_path
+      [from_pwd, from_pry_init_pwd, *from_load_path]
+    end
+
+    # @param [String] filename
+    # @param [Symbol] default (:unknown) the file type to assume if none could be
+    #   detected.
+    # @return [Symbol, nil] The SyntaxHighlighter type of a file from its
+    #   extension, or `nil` if `:unknown`.
+    def type_from_filename(filename, default = :unknown)
+      _, @code_type = EXTENSIONS.find do |k, _|
+        k.any? { |ext| ext == File.extname(filename) }
+      end || FILES.find do |k, _|
+        k.any? { |file_name| file_name == File.basename(filename) }
+      end
+
+      code_type || default
+    end
+
+    # @return [String]
+    def from_pwd
+      File.expand_path(@filename, Dir.pwd)
+    end
+
+    # @return [String]
+    def from_pry_init_pwd
+      File.expand_path(@filename, INITIAL_PWD)
+    end
+
+    # @return [String]
+    def from_load_path
+      $LOAD_PATH.map { |path| File.expand_path(@filename, path) }
+    end
+  end
+end

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

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

@@ -0,0 +1,105 @@
+# frozen_string_literal: true
+
+class Pry
+  class Code
+    # Represents a line of code (which may, in fact, contain multiple lines if
+    # the entirety was eval'd as a single unit following the `edit` command).
+    #
+    # A line of code is a tuple, which consists of a line and a line number. A
+    # `LOC` object's state (namely, the line parameter) can be changed via
+    # instance methods.  `Pry::Code` heavily uses this class.
+    #
+    # @api private
+    # @example
+    #   loc = LOC.new("def example\n  :example\nend", 1)
+    #   puts loc.line
+    #   def example
+    #     :example
+    #   end
+    #   #=> nil
+    #
+    #   loc.indent(3)
+    #   loc.line #=> "   def example\n  :example\nend"
+    class LOC
+      # @return [Array<String, Integer>]
+      attr_reader :tuple
+
+      # @param [String] line The line of code.
+      # @param [Integer] lineno The position of the +line+.
+      def initialize(line, lineno)
+        @tuple = [line.chomp, lineno.to_i]
+      end
+
+      # @return [Boolean]
+      def ==(other)
+        other.tuple == tuple
+      end
+
+      def dup
+        self.class.new(line, lineno)
+      end
+
+      # @return [String]
+      def line
+        tuple.first
+      end
+
+      # @return [Integer]
+      def lineno
+        tuple.last
+      end
+
+      # Paints the `line` of code.
+      #
+      # @param [Symbol] code_type
+      # @return [void]
+      def colorize(code_type)
+        tuple[0] = SyntaxHighlighter.highlight(line, code_type)
+      end
+
+      # Prepends the line number `lineno` to the `line`.
+      #
+      # @param [Integer] max_width
+      # @return [void]
+      def add_line_number(max_width = 0, color = false)
+        padded = lineno.to_s.rjust(max_width)
+        colorized_lineno =
+          if color
+            Pry::Helpers::BaseHelpers.colorize_code(padded)
+          else
+            padded
+          end
+        properly_padded_line = handle_multiline_entries_from_edit_command(line, max_width)
+        tuple[0] = "#{colorized_lineno}: #{properly_padded_line}"
+      end
+
+      # Prepends a marker "=>" or an empty marker to the +line+.
+      #
+      # @param [Integer] marker_lineno If it is equal to the `lineno`, then
+      #   prepend a hashrocket. Otherwise, an empty marker.
+      # @return [void]
+      def add_marker(marker_lineno)
+        tuple[0] =
+          if lineno == marker_lineno
+            " => #{line}"
+          else
+            "    #{line}"
+          end
+      end
+
+      # Indents the `line` with +distance+ spaces.
+      #
+      # @param [Integer] distance
+      # @return [void]
+      def indent(distance)
+        tuple[0] = "#{' ' * distance}#{line}"
+      end
+
+      def handle_multiline_entries_from_edit_command(line, max_width)
+        line.split("\n").map.with_index do |inner_line, i|
+          i.zero? ? inner_line : "#{' ' * (max_width + 2)}#{inner_line}"
+        end.join("\n")
+      end
+    end
+  end
+end