Module: MethodAsCode

Included in:
Method, UnboundMethod
Defined in:
lib/decompiler/method/as_code.rb

Instance Method Summary collapse

Instance Method Details

#as_code(indent = 0, name = nil) ⇒ Object

Returns a string representation of the method definition/body.

irb(main):001:0> def foo(a, b, *rest, &block)
irb(main):002:1>   begin
irb(main):003:2*     if not a and not b then
irb(main):004:3*       raise "Need more input!"
irb(main):005:3>     end
irb(main):006:2>     return a + b
irb(main):007:2>   ensure
irb(main):008:2*     puts "In ensure block"
irb(main):009:2>   end
irb(main):010:1> end
=> nil
irb(main):011:0> m = method(:foo)
=> #<Method: Object#foo>
irb(main):012:0> puts m.as_code
def foo(a, b, *rest, &block)
  begin
    (raise("Need more input!")) if (not a and not b)
    return a + b
  ensure
    puts("In ensure block")
  end
end



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# File 'lib/decompiler/method/as_code.rb', line 33

def as_code(indent=0, name=nil)
  sig = self.signature
  if self.body.respond_to?(:body) then
    # YARV
    body_expression = self.body.body.as_code(indent+1)
  else
    # pre-YARV
    body_expression = self.body ? self.body.as_code(indent+1) : ''
  end
  name ||= sig.name
  s = "#{'  '*indent}def #{name}(#{sig.param_list})\n"
  if body_expression then
    s += "#{body_expression}\n"
  end
  s += "#{'  '*indent}end"
  return s
end