Class: Duby::AST::JRubyAst::CallNode

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

Instance Method Summary collapse

Instance Method Details

#annotation(transformer, parent) ⇒ Object 



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# File 'lib/duby/transform.rb', line 477

def annotation(transformer, parent)
  if name == '[]'
    annotation = receiver_node.annotation(transformer, parent)
    value = args_node[0]
    case value
    when HashNode
      values = value.list_node
      (0...(values.size / 2)).each do |i|
        name = values.get(2 * i).name
        value = values.get(2 * i + 1)
        annotation[name] = annotation_value(value, annotation)
      end
    when nil
      # ignore an empty argument list
    else
      annotation['value'] = annotation_value(value, annotation)
    end
    annotation
  else
    klass = type_reference(parent)
    Annotation.new(parent, position, klass)
  end
end

#annotation? ⇒ Boolean

Returns:



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# File 'lib/duby/transform.rb', line 501

def annotation?
  if name == '[]'
    receiver = receiver_node
  else
    receiver = self
  end
  receiver = receiver.receiver_node while CallNode === receiver
  GlobalVarNode === receiver
end

#annotation_value(value, annotation) ⇒ Object 



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# File 'lib/duby/transform.rb', line 511

def annotation_value(value, annotation)
  case value
  when StrNode
    java.lang.String.new(value.value)
  when ArrayNode
    value.child_nodes.map {|node| annotation_value(node, annotation)}
  else
    # TODO Support other types
    ref = value.type_reference(annotation)
    desc = BiteScript::Signature.class_id(ref)
    BiteScript::ASM::Type.getType(desc)
  end
end

#transform(transformer, parent) ⇒ Object 



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# File 'lib/duby/transform.rb', line 402

def transform(transformer, parent)
  if annotation?
    return transformer.add_annotation(annotation(transformer, parent))
  end

  actual_name = name
  case actual_name
  when '[]'
    # could be array instantiation
    case receiver_node
    when VCallNode
      case receiver_node.name
      when 'boolean', 'byte', 'short', 'char', 'int', 'long', 'float', 'double'
        return EmptyArray.new(parent, position, AST::type(receiver_node.name)) do |array|
          transformer.transform(args_node.get(0), array)
        end
      # TODO look for imported, lower case class names
      end
    when ConstNode
      return EmptyArray.new(parent, position, AST::type(receiver_node.name)) do |array|
        transformer.transform(args_node.get(0), array)
      end
    end
  when /=$/
    if name.size > 2 || name =~ /^\w/
      actual_name = name[0..-2] + '_set'
    end
  end

  Call.new(parent, position, actual_name) do |call|
    [
      transformer.transform(receiver_node, call),
      args_node ? args_node.child_nodes.map {|arg| transformer.transform(arg, call)} : [],
      iter_node ? transformer.transform(iter_node, call) : nil
    ]
  end
end

#type_reference(parent) ⇒ Object 



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# File 'lib/duby/transform.rb', line 440

def type_reference(parent)
  if name == "[]"
    # array type, top should be a constant; find the rest
    array = true
    elements = []
  else
    array = false
    elements = [name]
  end

  receiver = receiver_node

  loop do
    case receiver
    when ConstNode
      elements << receiver_node.name
      break
    when CallNode
      elements.unshift(receiver.name)
      receiver = receiver.receiver_node
    when SymbolNode
      elements.unshift(receiver.name)
      break
    when VCallNode
      elements.unshift(receiver.name)
      break
    when GlobalVarNode
      elements.unshift(receiver.name[1..-1])
      break
    end
  end

  # join and load
  class_name = elements.join(".")
  AST::type(class_name, array)
end