280 lines
9.8 KiB
Ruby
280 lines
9.8 KiB
Ruby
require 'tempfile'
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class Pry
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module DefaultCommands
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Introspection = Pry::CommandSet.new do
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command "show-method", "Show the source for METH. Type `show-method --help` for more info. Aliases: $, show-source", :shellwords => false do |*args|
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opts, meth = parse_options!(args, :method_object) do |opt|
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opt.banner unindent <<-USAGE
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Usage: show-method [OPTIONS] [METH]
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Show the source for method METH. Tries instance methods first and then methods by default.
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e.g: show-method hello_method
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USAGE
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opt.on :l, "line-numbers", "Show line numbers."
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opt.on :b, "base-one", "Show line numbers but start numbering at 1 (useful for `amend-line` and `play` commands)."
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opt.on :f, :flood, "Do not use a pager to view text longer than one screen."
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end
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raise CommandError, "Could not find method source" unless meth.source
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output.puts make_header(meth)
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output.puts "#{text.bold("Owner:")} #{meth.owner || "N/A"}"
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output.puts "#{text.bold("Visibility:")} #{meth.visibility}"
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output.puts
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if Pry.color
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code = CodeRay.scan(meth.source, meth.source_type).term
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else
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code = meth.source
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end
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start_line = false
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if opts.present?(:'base-one')
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start_line = 1
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elsif opts.present?(:'line-numbers')
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start_line = meth.source_line || 1
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end
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render_output(opts.present?(:flood), start_line, code)
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end
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alias_command "show-source", "show-method"
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alias_command "$", "show-method"
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command "show-command", "Show the source for CMD. Type `show-command --help` for more info." do |*args|
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target = target()
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opts = Slop.parse!(args) do |opt|
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opt.banner unindent <<-USAGE
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Usage: show-command [OPTIONS] [CMD]
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Show the source for command CMD.
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e.g: show-command show-method
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USAGE
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opt.on :l, "line-numbers", "Show line numbers."
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opt.on :f, :flood, "Do not use a pager to view text longer than one screen."
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opt.on :h, :help, "This message." do
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output.puts opt
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end
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end
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next if opts.present?(:help)
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command_name = args.shift
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if !command_name
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raise CommandError, "You must provide a command name."
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end
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if find_command(command_name)
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block = Pry::Method.new(find_command(command_name).block)
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next unless block.source
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set_file_and_dir_locals(block.source_file)
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output.puts make_header(block)
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output.puts
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if Pry.color
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code = CodeRay.scan(block.source, :ruby).term
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else
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code = block.source
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end
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start_line = false
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if opts.present?(:'line-numbers')
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start_line = block.source_line || 1
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end
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render_output(opts.present?(:flood), opts.present?(:'line-numbers') ? block.source_line : false, code)
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code
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else
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raise CommandError, "No such command: #{command_name}."
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end
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end
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command "edit", "Invoke the default editor on a file. Type `edit --help` for more info" do |*args|
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opts = Slop.parse!(args) do |opt|
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opt.banner unindent <<-USAGE
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Usage: edit [--no-reload|--reload] [--line LINE] [--temp|--ex|FILE[:LINE]|--in N]
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Open a text editor. When no FILE is given, edits the pry input buffer.
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Ensure #{text.bold("Pry.config.editor")} is set to your editor of choice.
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e.g: edit sample.rb
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USAGE
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opt.on :e, :ex, "Open the file that raised the most recent exception (_ex_.file)", :optional => true, :as => Integer
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opt.on :i, :in, "Open a temporary file containing the Nth line of _in_. N may be a range.", :optional => true, :as => Range, :default => -1..-1
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opt.on :t, :temp, "Open an empty temporary file"
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opt.on :l, :line, "Jump to this line in the opened file", true, :as => Integer
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opt.on :n, :"no-reload", "Don't automatically reload the edited code"
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opt.on :r, :reload, "Reload the edited code immediately (default for ruby files)"
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opt.on :h, :help, "This message." do
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output.puts opt
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end
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end
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next if opts.present?(:help)
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if [opts.present?(:ex), opts.present?(:temp), opts.present?(:in), !args.empty?].count(true) > 1
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raise CommandError, "Only one of --ex, --temp, --in and FILE may be specified."
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end
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# edit of local code, eval'd within pry.
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if !opts.present?(:ex) && args.empty?
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content = if opts.present?(:temp)
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""
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elsif opts.present?(:in)
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case opts[:i]
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when Range
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(_pry_.input_array[opts[:i]] || []).join
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when Fixnum
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_pry_.input_array[opts[:i]] || ""
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else
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next output.puts "Not a valid range: #{opts[:i]}"
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end
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elsif eval_string.strip != ""
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eval_string
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else
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_pry_.input_array.reverse_each.find{ |x| x && x.strip != "" } || ""
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end
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line = content.lines.count
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temp_file do |f|
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f.puts(content)
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f.flush
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invoke_editor(f.path, line)
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if !opts.present?(:'no-reload')
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silence_warnings do
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eval_string.replace(File.read(f.path))
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end
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end
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end
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# edit of remote code, eval'd at top-level
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else
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if opts.present?(:ex)
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if _pry_.last_exception.nil?
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raise CommandError, "No exception found."
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end
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ex = _pry_.last_exception
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bt_index = opts[:ex].to_i
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ex_file, ex_line = ex.bt_source_location_for(bt_index)
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if ex_file && RbxPath.is_core_path?(ex_file)
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file_name = RbxPath.convert_path_to_full(ex_file)
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else
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file_name = ex_file
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end
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line = ex_line
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if file_name.nil?
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raise CommandError, "Exception has no associated file."
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end
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if Pry.eval_path == file_name
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raise CommandError, "Cannot edit exceptions raised in REPL."
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end
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else
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# break up into file:line
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file_name = File.expand_path(args.first)
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line = file_name.sub!(/:(\d+)$/, "") ? $1.to_i : 1
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end
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line = opts[:l].to_i if opts.present?(:line)
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invoke_editor(file_name, line)
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set_file_and_dir_locals(file_name)
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if opts.present?(:reload) || ((opts.present?(:ex) || file_name.end_with?(".rb")) && !opts.present?(:'no-reload'))
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silence_warnings do
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TOPLEVEL_BINDING.eval(File.read(file_name), file_name)
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end
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end
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end
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end
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command "edit-method", "Edit a method. Type `edit-method --help` for more info.", :shellwords => false do |*args|
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target = target()
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opts, meth = parse_options!(args, :method_object) do |opt|
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opt.banner unindent <<-USAGE
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Usage: edit-method [OPTIONS] [METH]
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Edit the method METH in an editor.
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Ensure #{text.bold("Pry.config.editor")} is set to your editor of choice.
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e.g: edit-method hello_method
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USAGE
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opt.on :n, "no-reload", "Do not automatically reload the method's file after editing."
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opt.on "no-jump", "Do not fast forward editor to first line of method."
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opt.on :p, :patch, "Instead of editing the method's file, try to edit in a tempfile and apply as a monkey patch."
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opt.on :h, :help, "This message." do
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output.puts opt
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end
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end
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if !Pry.config.editor
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raise CommandError, "No editor set!\nEnsure that #{text.bold("Pry.config.editor")} is set to your editor of choice."
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end
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if opts.present?(:patch) || meth.dynamically_defined?
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lines = meth.source.lines.to_a
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if ((original_name = meth.original_name) &&
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lines[0] =~ /^def (?:.*?\.)?#{original_name}(?=[\(\s;]|$)/)
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lines[0] = "def #{original_name}#{$'}"
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else
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raise CommandError, "Pry can only patch methods created with the `def` keyword."
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end
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temp_file do |f|
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f.puts lines.join
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f.flush
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invoke_editor(f.path, 0)
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if meth.alias?
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with_method_transaction(original_name, meth.owner) do
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Pry.new(:input => StringIO.new(File.read(f.path))).rep(meth.owner)
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Pry.binding_for(meth.owner).eval("alias #{meth.name} #{original_name}")
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end
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else
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Pry.new(:input => StringIO.new(File.read(f.path))).rep(meth.owner)
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end
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end
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next
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end
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if meth.source_type == :c
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raise CommandError, "Can't edit a C method."
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else
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file, line = meth.source_file, meth.source_line
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invoke_editor(file, opts["no-jump"] ? 0 : line)
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silence_warnings do
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load file if !opts.present?(:'no-jump') && !Pry.config.disable_auto_reload
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end
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end
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end
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helpers do
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def with_method_transaction(meth_name, target=TOPLEVEL_BINDING)
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target = Pry.binding_for(target)
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temp_name = "__pry_#{meth_name}__"
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target.eval("alias #{temp_name} #{meth_name}")
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yield
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target.eval("alias #{meth_name} #{temp_name}")
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ensure
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target.eval("undef #{temp_name}") rescue nil
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end
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end
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end
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end
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end
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