Class: PartialRuby::Context

Inherits:
Object
  • Object
show all
Defined in:
lib/partialruby.rb

Direct Known Subclasses

PureRubyContext

Instance Method Summary collapse

Instance Method Details

#emul(tree) ⇒ Object 



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# File 'lib/partialruby.rb', line 55

def emul(tree)
  begin
    # first, try to emul the node
    return ruby_emul(tree)
  rescue NoMethodError => e
    if tree
      "#{object_ref self}.run(#{object_ref tree}, PartialRuby::Frame.new(binding,self) )"
    else
      "nil; "
    end
  end
end

#object_ref(obj) ⇒ Object 



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# File 'lib/partialruby.rb', line 46

def object_ref(obj)
  "ObjectSpace._id2ref(#{obj.object_id})"
end

#ruby_emul(tree) ⇒ Object 



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# File 'lib/partialruby.rb', line 50

def ruby_emul(tree)
  nodetype = tree.first
  send("ruby_emul_"+nodetype.to_s, tree)
end

#run(tree, frame) ⇒ Object 



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# File 'lib/partialruby.rb', line 68

def run(tree, frame)
  return nil unless tree

  nodetype = tree.first

  code = nil
  begin
    # first, try to emul the node
    code = ruby_emul(tree)
  rescue NoMethodError => e
  end

  if code then
    eval(code, frame._binding)
  else
    send("handle_node_"+nodetype.to_s, tree, frame)
  end
end