Class: IRB::ExtendCommand::ShowSource

Inherits:
Nop show all
Defined in:
lib/irb/cmd/show_source.rb

Instance Attribute Summary

Attributes inherited from Nop

#irb_context

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Nop

category, description, execute, #initialize

Constructor Details

This class inherits a constructor from IRB::ExtendCommand::Nop

Class Method Details

.transform_args(args) ⇒ Object 



15
16
17
18
19
20
21
22
 
# File 'lib/irb/cmd/show_source.rb', line 15

def transform_args(args)
  # Return a string literal as is for backward compatibility
  if args.empty? || string_literal?(args)
    args
  else # Otherwise, consider the input as a String for convenience
    args.strip.dump
  end
end

Instance Method Details

#execute(str = nil) ⇒ Object 



25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/irb/cmd/show_source.rb', line 25

def execute(str = nil)
  unless str.is_a?(String)
    puts "Error: Expected a string but got #{str.inspect}"
    return
  end

  str, esses = str.split(" -")
  super_level = esses ? esses.count("s") : 0
  source = SourceFinder.new(@irb_context).find_source(str, super_level)

  if source
    show_source(source)
  elsif super_level > 0
    puts "Error: Couldn't locate a super definition for #{str}"
  else
    puts "Error: Couldn't locate a definition for #{str}"
  end
  nil
end