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107 lines
3.2 KiB
Ruby
107 lines
3.2 KiB
Ruby
require 'readline'
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# @author John Mair (banisterfiend)
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class Pry
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# class accessors
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class << self
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# Get nesting data.
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# This method should not need to be accessed directly.
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# @return [Array] The unparsed nesting information.
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attr_reader :nesting
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# Get last value evaluated by Pry.
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# This method should not need to be accessed directly.
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# @return [Object] The last result.
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attr_accessor :last_result
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# Get the active Pry instance that manages the active Pry session.
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# This method should not need to be accessed directly.
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# @return [Pry] The active Pry instance.
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attr_accessor :active_instance
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# Get/Set the object to use for input by default by all Pry instances.
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# @return [#readline] The object to use for input by default by all
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# Pry instances.
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attr_accessor :input
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# Get/Set the object to use for output by default by all Pry instances.
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# @return [#puts] The object to use for output by default by all
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# Pry instances.
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attr_accessor :output
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# Get/Set the object to use for commands by default by all Pry instances.
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# @return [Pry::CommandBase] The object to use for commands by default by all
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# Pry instances.
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attr_accessor :commands
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# Get/Set the Proc to use for printing by default by all Pry
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# instances.
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# This is the 'print' component of the REPL.
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# @return [Proc] The Proc to use for printing by default by all
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# Pry instances.
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attr_accessor :print
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# Get/Set the Hash that defines Pry hooks used by default by all Pry
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# instances.
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# @return [Hash] The hooks used by default by all Pry instances.
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# @example
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# Pry.hooks :before_session => proc { puts "hello" },
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# :after_session => proc { puts "goodbye" }
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attr_accessor :hooks
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# Get the array of Procs to be used for the prompts by default by
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# all Pry instances.
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# @return [Array<Proc>] The array of Procs to be used for the
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# prompts by default by all Pry instances.
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attr_accessor :prompt
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end
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# Start a Pry REPL.
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# @param [Object, Binding] target The receiver of the Pry session
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# @param [Hash] options
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# @option options (see Pry#initialize)
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# @example
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# Pry.start(Object.new, :input => MyInput.new)
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def self.start(target=TOPLEVEL_BINDING, options={})
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new(options).repl(target)
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end
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# A custom version of `Kernel#inspect`.
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# This method should not need to be accessed directly.
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# @param obj The object to view.
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# @return [String] The string representation of `obj`.
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def self.view(obj)
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case obj
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when String, Hash, Array, Symbol, nil
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obj.inspect
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else
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obj.to_s
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end
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end
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# Set all the configurable options back to their default values
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def self.reset_defaults
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@input = Readline
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@output = $stdout
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@commands = Pry::Commands
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@prompt = DEFAULT_PROMPT
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@print = DEFAULT_PRINT
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@hooks = DEFAULT_HOOKS
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end
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self.reset_defaults
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@nesting = []
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def @nesting.level
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last.is_a?(Array) ? last.first : nil
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end
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# Return all active Pry sessions.
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# @return [Array<Pry>] Active Pry sessions.
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def self.sessions
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# last element in nesting array is the pry instance
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nesting.map(&:last)
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end
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end
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