125 lines
3.4 KiB
Ruby
125 lines
3.4 KiB
Ruby
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class Pry
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# Manage the processing of command line options
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class CLI
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class << self
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# @return [Proc] The Proc defining the valid command line options.
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attr_accessor :options
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end
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# The default Pry command line options (before plugin options are included)
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def self.default_options
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proc do
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banner %{Usage: pry [OPTIONS]
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Start a Pry session.
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See: `https://github.com/pry` for more information.
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Copyright (c) 2011 John Mair (banisterfiend)
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--
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}
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on :e, :exec, "A line of code to execute in context before the session starts", true
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on "no-pager", "Disable pager for long output" do
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Pry.config.pager = false
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end
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on "no-history", "Disable history loading" do
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Pry.config.history.should_load = false
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end
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on "no-color", "Disable syntax highlighting for session" do
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Pry.color = false
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end
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on :f, "Suppress loading of ~/.pryrc" do
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# load ~/.pryrc, if not suppressed with -f option
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Pry.config.should_load_rc = false
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end
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on "no-plugins", "Suppress loading of plugins." do
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# suppress plugins if given --no-plugins optino
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Pry.config.plugins.enabled = false
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end
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on "installed-plugins", "List installed plugins." do
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puts "Installed Plugins:"
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puts "--"
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Pry.locate_plugins.each do |plugin|
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puts "#{plugin.name}".ljust(18) + plugin.spec.summary
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end
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exit
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end
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on "simple-prompt", "Enable simple prompt mode" do
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Pry.config.prompt = Pry::SIMPLE_PROMPT
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end
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on :r, :require, "`require` a Ruby script at startup", true do |file|
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Pry.config.requires << file
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end
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on :I, "Add a path to the $LOAD_PATH", true do |path|
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$LOAD_PATH << path
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end
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on :v, :version, "Display the Pry version" do
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puts "Pry version #{Pry::VERSION} on Ruby #{RUBY_VERSION}"
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exit
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end
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on(:c, :context,
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"Start the session in the specified context. Equivalent to `context.pry` in a session.",
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true,
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:default => "TOPLEVEL_BINDING"
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)
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end
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end
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# initialize the options block to the default
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self.options = default_options
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# Bring in other options defined in a sister proc
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def self.add_options(&block)
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old_options = @options
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@options = proc do
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instance_exec(&old_options)
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instance_exec(&block)
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end
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end
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# Bring in options defined in plugins
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def self.add_plugin_options
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Pry.plugins.values.each do |plugin|
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plugin.load_cli_options
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end
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end
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# Process all options, including those from plugins.
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# @param [Array] args The array of options.
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def self.run(args=ARGV)
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add_plugin_options
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process_options(args)
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end
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# Process the current options block.
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# @param [Array] args The array of options.
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def self.process_options(args)
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opts = Slop.parse(args, :help => true, :multiple_switches => false, &options)
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# invoked via cli
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Pry.cli = true
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# create the actual context
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context = Pry.binding_for(eval(opts[:context]))
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if opts[:exec]
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exec_string = opts[:exec] + "\n"
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else
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exec_string = ""
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end
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# Start the session (running any code passed with -e, if there is any)
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Pry.start(context, :input => StringIO.new(exec_string))
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end
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end
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end
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