Module: Ripl::Shell::API

Included in:
Ripl::Shell
Defined in:
lib/ripl/shell.rb

Instance Method Summary collapse

Instance Method Details

#after_loop ⇒ Object 



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# File 'lib/ripl/shell.rb', line 76

def after_loop; end

#before_loop ⇒ Object 



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# File 'lib/ripl/shell.rb', line 29

def before_loop
  Ripl::Runner.load_rc(@irbrc) if @irbrc
end

#during_loop ⇒ Object 



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# File 'lib/ripl/shell.rb', line 33

def during_loop
  while true do
    @error_raised = nil
    input = get_input
    break if !input || input == 'exit'
    loop_once(input)
    puts(format_result(@last_result)) unless @error_raised
  end
end

#format_error(err) ⇒ Object 



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# File 'lib/ripl/shell.rb', line 70

def format_error(err); Ripl::Runner.format_error(err); end

#format_result(result) ⇒ Object 



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# File 'lib/ripl/shell.rb', line 72

def format_result(result)
  @options[:result_prompt] + result.inspect
end

#get_input ⇒ Object 



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# File 'lib/ripl/shell.rb', line 43

def get_input
  print prompt
  $stdin.gets.chomp
end

#loop_eval(str) ⇒ Object 



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# File 'lib/ripl/shell.rb', line 62

def loop_eval(str)
  eval(str, @binding, "(#{@name})", @line)
end

#loop_once(input) ⇒ Object 



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# File 'lib/ripl/shell.rb', line 52

def loop_once(input)
  @last_result = loop_eval(input)
  eval("_ = Ripl.shell.last_result", @binding)
rescue Exception => e
  @error_raised = true
  print_eval_error(e)
ensure
  @line += 1
end

#print_eval_error(err) ⇒ Object 



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# File 'lib/ripl/shell.rb', line 66

def print_eval_error(err)
  warn format_error(err)
end

#prompt ⇒ Object 



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# File 'lib/ripl/shell.rb', line 48

def prompt
  @options[:prompt].respond_to?(:call) ? @options[:prompt].call : @options[:prompt]
end