Class: Mirah::Transform::Helper

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

Instance Method Summary collapse

Constructor Details

#initialize(transformer) ⇒ Helper

Returns a new instance of Helper.



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# File 'lib/mirah/transform/helper.rb', line 20

def initialize(transformer)
  @mirah = transformer
end

Instance Method Details

#evaluate_at_start?(node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mirah/transform/helper.rb', line 576

def evaluate_at_start?(node)
  if node[0] =~ /Mod$/ && node[2] && node[2][0] == 'Begin'
    false
  else
    true
  end
end

#position(node) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 24

def position(node)
  @mirah.position(node)
end

#transform(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 32

def transform(node, parent)
  @mirah.transform(node, parent)
end

#transform_and(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 502

def transform_and(node, parent)
  first_node = node[1]
  second_node = node[2]
  Mirah::AST::If.new(parent, position(node)) do |iff|
    [
      Mirah::AST::Condition.new(iff, position(first_node)) {|cond| [transform(first_node, cond)]},
      transform(second_node, iff),
      nil
    ]
  end
end

#transform_annotation(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 744

def transform_annotation(node, parent)
  classname = node[1]
  values = if node[2]
    node[2].children
  else
    []
  end
  annotation = Mirah::AST::Annotation.new(parent, position(node)) do |anno|
    [Mirah::AST::String.new(anno, position(node), classname)]
  end
  values.each do |assoc|
    key = assoc[1]
    value = assoc[2]
    name = key[1]
    annotation[name] = transform(value, annotation)
  end
  transformer.add_annotation(annotation)
  return Mirah::AST::Noop.new(parent, position(node))
end

#transform_arguments(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 89

def transform_arguments(node, parent)
  Mirah::AST::Arguments.new(parent, position(node)) do |args_node|
    node.children.map do |child|
      if child.nil?
        nil
      elsif child.kind_of?(Ast)
        @mirah.transform(child, args_node)
      else
        child.map {|x| @mirah.transform(x, args_node)}
      end
    end
  end
end

#transform_array(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 166

def transform_array(node, parent)
  Mirah::AST::Array.new(parent, position(node)) do |array|
    node.children.map {|child| transformer.transform(child, array)}
  end
end

#transform_attr_assign(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 172

def transform_attr_assign(node, parent)
  name = node[1]
  target = node[2]
  args = node[3] + [node[4]]
  position = position(node)
  case name
  when '[]='
    Mirah::AST::Call.new(parent, position, name) do |call|
      [
        transformer.transform(target, call),
        args.map {|arg| transformer.transform(arg, call)},
        nil
      ]
    end
  else
    new_name = name[0..-2] + '_set'
    Mirah::AST::Call.new(parent, position, new_name) do |call|
      [
        transformer.transform(target, call),
        args.map {|arg| transformer.transform(arg, call)},
        nil
      ]
    end
  end
end

#transform_begin(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 81

def transform_begin(node, parent)
  @mirah.transform(node[1], parent)
end

#transform_block_arg(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 137

def transform_block_arg(node, parent)
  name = node[1]
  name = transform(name, nil) unless name.kind_of?(::String)
  type = node[2]
  Mirah::AST::BlockArgument.new(parent, position(node), name) do |blkarg|
    [type ? transform(type, blkarg) : nil]
  end
end

#transform_block_pass(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 738

def transform_block_pass(node, parent)
  Mirah::AST::BlockPass.new(parent, position(node)) do |blockpass|
    [transform(node[1], blockpass)]
  end
end

#transform_body(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 75

def transform_body(node, parent)
  Mirah::AST::Body.new(parent, position(node)) do |body|
    node.children.map {|child| @mirah.transform(child, body)}
  end
end

#transform_break(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 85

def transform_break(node, parent)
  Mirah::AST::Break.new(parent, position(node))
end

#transform_call(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 292

def transform_call(node, parent)
  name = node[1]
  name = transform(name, nil) unless name.kind_of?(::String)
  target = node[2]
  args = node[3]
  args = [args] if args && args[0].kind_of?(String)
  iter_node = node[4]
  position = position(node)

  actual_name = name
  case actual_name
  when '[]'
    # could be array instantiation
    case target[0]
    when 'Identifier'
      case target[1]
      when 'boolean', 'byte', 'short', 'char', 'int', 'long', 'float', 'double'
        if args.nil? || args.size == 0
          constant = Mirah::AST::Constant.new(parent, position, target[1])
          constant.array = true
          return constant
        elsif args && args.size == 1
          return Mirah::AST::EmptyArray.new(parent, position) do |array|
            [transform(target, array), transform(args[0], array)]
          end
        end
        # TODO look for imported, lower case class names
      end
    when 'Constant'
      if args.nil? || args.size == 0
        constant = Mirah::AST::Constant.new(parent, position, target[1])
        constant.array = true
        return constant
      elsif args && args.size == 1
        return Mirah::AST::EmptyArray.new(parent, position) do |array|
          [transform(target, array), transform(args[0], array)]
        end
      end
    end
  when /=$/
    if name.size > 2 || name =~ /^\w/
      actual_name = name[0..-2] + '_set'
    end
  end

  Mirah::AST::Call.new(parent, position, actual_name) do |call|
    [
      transformer.transform(target, call),
      args ? args.map {|arg| transformer.transform(arg, call)} : [],
      iter_node ? transformer.transform(iter_node, call) : nil
    ]
  end
end

#transform_class(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 198

def transform_class(node, parent)
  cpath = node[1]
  body_node = node[2]
  super_node = node[3]
  if cpath[0] == 'Constant'
    name = cpath[1]
  elsif cpath[0] == 'Unquote'
    name = cpath
  else
    raise "Unsupported class name #{cpath[0]}"
  end
  name = transform(name, nil) unless name.kind_of?(::String)
  Mirah::AST::ClassDefinition.new(parent, position(node),
  name,
  transformer.annotations) do |class_def|
    [
      super_node ? transform(super_node, class_def) : nil,
      body_node ? transform(body_node, class_def) : nil
    ]
  end
end

#transform_class_var(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 436

def transform_class_var(node, parent)
  name = node[1]
  name = transform(name, nil) unless name.kind_of?(::String)
  Mirah::AST::Field.new(parent, position(node), name, transformer.annotations, true)
end

#transform_class_var_assign(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 442

def transform_class_var_assign(node, parent)
  name = node[1]
  name = transform(name, nil) unless name.kind_of?(::String)
  value_node = node[2]
  position = position(node)
  case value_node[0]
  when 'Symbol', 'Constant'
    Mirah::AST::FieldDeclaration.new(parent, position,
    name, transformer.annotations, true) do |field_decl|
      [transform(value_node, field_decl)]
    end
  else
    Mirah::AST::FieldAssignment.new(parent, position, name, transformer.annotations, true) {|field| [transformer.transform(value_node, field)]}
  end
end

#transform_colon2const(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 350

def transform_colon2const(node, parent)
  name = node[2]
  name = transform(name, nil) unless name.kind_of?(::String)
  target = node[1]
  Mirah::AST::Colon2.new(parent, position(node), name) do |colon2|
    [ transform(target, colon2) ]
  end
end

#transform_constant(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 346

def transform_constant(node, parent)
  Mirah::AST::Constant.new(parent, position(node), node[1])
end

#transform_def(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 220

def transform_def(node, parent)
  name, args_node, type_node, body_node = node[1], node[2], node[3], node[4]
  name = transform(name, nil) unless name.kind_of?(::String)
  position = position(node)
  actual_name = name
  if name =~ /=$/ && name != '[]='
    actual_name = name[0..-2] + '_set'
  end
  if name == 'initialize'
    klass = Mirah::AST::ConstructorDefinition
  else
    klass = Mirah::AST::MethodDefinition
  end
  klass.new(parent,
  position,
  actual_name,
  transformer.annotations) do |defn|
    defn.signature = signature = {:return => nil}
    defn.return_type = transform(type_node, defn) if type_node
    [
      signature,
      args_node ? transformer.transform(args_node, defn) : nil,
      body_node ? transformer.transform(body_node, defn) : nil,
    ]
  end
end

#transform_def_static(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 247

def transform_def_static(node, parent)
  name, args_node, type_node, body_node = node[1], node[2], node[3], node[4]
  name = transform(name, nil) unless name.kind_of?(::String)
  position = position(node)
  actual_name = name
  if name =~ /=$/
    actual_name = name[0..-2] + '_set'
  end
  Mirah::AST::StaticMethodDefinition.new(parent,
  position,
  actual_name,
  transformer.annotations) do |defn|
    defn.signature = signature = {:return => nil}
    defn.return_type = transform(type_node, defn) if type_node
    [
      signature,
      args_node ? transformer.transform(args_node, defn) : nil,
      body_node ? transformer.transform(body_node, defn) : nil,
    ]
  end
end

#transform_dstring(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 490

def transform_dstring(node, parent)
  Mirah::AST::StringConcat.new(parent, position(node)) do |p|
    node.children.map{|n| transform(n, p)}
  end
end

#transform_ensure(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 570

def transform_ensure(node, parent)
  Mirah::AST::Ensure.new(parent, position(node)) do |n|
    node.children.map {|c| transform(c, n)}
  end
end

#transform_ev_string(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 496

def transform_ev_string(node, parent)
  Mirah::AST::ToString.new(parent, position(node)) do |p|
    [transform(node[1], p)]
  end
end

#transform_false(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 55

def transform_false(node, parent)
  Mirah::AST::Boolean.new(parent, position(node), false)
end

#transform_fcall(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 269

def transform_fcall(node, parent)
  if node.respond_to?(:declaration?) && node.declaration?
    return Mirah::AST::Noop.new(parent, position(node))
  end

  name = node[1]
  name = transform(name, nil) unless name.kind_of?(::String)
  args = node[2]
  iter_node = node[3]
  fcall = Mirah::AST::FunctionalCall.new(parent, position(node), name) do |call|
    [
      args ? args.map {|arg| transformer.transform(arg, call)} : [],
      iter_node ? transformer.transform(iter_node, call) : nil
    ]
  end
  macro = Mirah::AST.macro(name)
  if macro
    transformer.expand(fcall, parent, &macro)
  else
    fcall
  end
end

#transform_fixnum(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 43

def transform_fixnum(node, parent)
  Mirah::AST::fixnum(parent, position(node), node[1])
end

#transform_float(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 47

def transform_float(node, parent)
  Mirah::AST::float(parent, position(node), node[1])
end

#transform_for(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 612

def transform_for(node, parent)
  var_node = node[1]
  body_node = node[2]
  iter_node = node[3]
  Mirah::AST::Call.new(parent, position(node), 'each') do |each|
    [
      transformer.transform(iter_node, each),
      [],
      Mirah::AST::Block.new(each, position(body_node)) do |block|
        [
          Mirah::AST::Arguments.new(block, position(var_node)) do |args|
            [
              # TODO support for multiple assignment?
              [Mirah::AST::RequiredArgument.new(args,
                position(var_node),
                var_node[1])
              ]
            ]
          end,
          transformer.transform(body_node, block)
        ]
      end
    ]
  end
end

#transform_hash(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 669

def transform_hash(node, parent)
  Mirah::AST::Call.new(parent, position(node), 'new_hash') do |call|
    [
      Mirah::AST::Builtin.new(call, position(node)),
      [
        Mirah::AST::Array.new(call, position(node)) do |array|
          values = []
          node.children.each do |assoc|
            assoc.children.each do |child|
              values << transform(child, array)
            end
          end
          values
        end
      ]
    ]
  end
end

#transform_identifier(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 359

def transform_identifier(node, parent)
  name = node[1]
  position = position(node)
  if name == 'raise'
    Mirah::AST::Raise.new(parent, position) do
      []
    end
  elsif name == 'null'
    Mirah::AST::Null.new(parent, position)
  elsif ['public', 'private', 'protected'].include?(name)
    Mirah::AST::AccessLevel.new(parent, position, name)
  else
    macro = Mirah::AST.macro(name)
    fcall = Mirah::AST::FunctionalCall.new(parent, position, name) do |call|
      [
        [],
        nil
      ]
    end
    if macro
      transformer.expand(fcall, parent, &macro)
    else
      fcall
    end
  end
end

#transform_if(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 458

def transform_if(node, parent)
  condition = node[1]
  then_body = node[2]
  else_body = node[3]
  Mirah::AST::If.new(parent, position(node)) do |iff|
    [
      Mirah::AST::Condition.new(iff, position(condition)) {|cond| [transformer.transform(condition, cond)]},
      then_body ? transformer.transform(then_body, iff) : nil,
      else_body ? transformer.transform(else_body, iff) : nil
    ]
  end
end

#transform_inst_var(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 414

def transform_inst_var(node, parent)
  name = node[1]
  name = transform(name, nil) unless name.kind_of?(::String)
  Mirah::AST::Field.new(parent, position(node), name, transformer.annotations)
end

#transform_inst_var_assign(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 420

def transform_inst_var_assign(node, parent)
  name = node[1]
  name = transform(name, nil) unless name.kind_of?(::String)
  value_node = node[2]
  position = position(node)
  case value_node[0]
  when 'Symbol', 'Constant'
    Mirah::AST::FieldDeclaration.new(parent, position,
    name, transformer.annotations) do |field_decl|
      [transform(value_node, field_decl)]
    end
  else
    Mirah::AST::FieldAssignment.new(parent, position, name, transformer.annotations) {|field| [transformer.transform(value_node, field)]}
  end
end

#transform_iter(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 403

def transform_iter(node, parent)
  args = node[1]
  body = node[2]
  Mirah::AST::Block.new(parent, position(node)) do |block|
    [
      args ? transformer.transform(args, block) : Mirah::AST::Arguments.new(block, position(node)),
      body ? transformer.transform(body, block) : Mirah::AST::Body.new(block, position(node)),
    ]
  end
end

#transform_local(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 398

def transform_local(node, parent)
  name = node[1]
  Mirah::AST::Local.new(parent, position(node), name)
end

#transform_local_assign(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 386

def transform_local_assign(node, parent)
  name = node[1]
  value_node = node[2]
  position = position(node)
  case value_node[0]
  when 'Symbol', 'Constant'
    Mirah::AST::LocalDeclaration.new(parent, position, name) {|local_decl| [transform(value_node, local_decl)]}
  else
    Mirah::AST::LocalAssignment.new(parent, position, name) {|local| [transform(value_node, local)]}
  end
end

#transform_next(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 536

def transform_next(node, parent)
  Mirah::AST::Next.new(parent, position(node))
end

#transform_nil(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 59

def transform_nil(node, parent)
  Mirah::AST::Null.new(parent, position(node))
end

#transform_not(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 540

def transform_not(node, parent)
  # TODO it's probably better to keep a not node
  # and actually implement compiling it properly.
  # Bonus points for optimizing branches that use Not's.
  Mirah::AST::If.new(parent, position(node)) do |iff|
    [
      Mirah::AST::Condition.new(iff, position(node)) do |cond|
        [ transform(node[1], cond) ]
      end,
      Mirah::AST::Boolean.new(iff, position(node), false),
      Mirah::AST::Boolean.new(iff, position(node), true)
    ]
  end
end

#transform_op_assign(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 688

def transform_op_assign(node, parent)
  target = node[1]
  attribute = node[2]
  op = node[3]
  value = node[4]
  temp = transformer.tmp
  tempval = transformer.tmp
  position = position(node)
  setter = "#{attribute}="
  getter = attribute
  Mirah::AST::Body.new(parent, position) do |body|
    [
      Mirah::AST::LocalAssignment.new(body, position, temp) {|l| transform(target, l)},
      Mirah::AST::LocalAssignment.new(body, position, tempval) do |l|
        Mirah::AST::Call.new(l, position, op) do |op_call|
          [
            Mirah::AST::Call.new(op_call, position, getter) do |get_call|
              [
                Mirah::AST::Local.new(get_call, position, temp),
                []
              ]
            end,
            [transform(value, op_call)],
          ]
        end
      end,
      Mirah::AST::Call.new(body, position, setter) do |set_call|
        [
          Mirah::AST::Local.new(set_call, position, temp),
          [ Mirah::AST::Local.new(set_call, position, tempval) ],
        ]
      end,
      Mirah::AST::Local.new(body, position, tempval),
    ]
  end
end

#transform_opt_arg(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 115

def transform_opt_arg(node, parent)
  name = node[1]
  name = transform(name, nil) unless name.kind_of?(::String)
  type = node[2]
  value = node[3]
  Mirah::AST::OptionalArgument.new(parent, position(node), name) do |optarg|
    [
      type ? transform(type, optarg) : nil,
      transform(value, optarg),
    ]
  end
end

#transform_opt_block_arg(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 146

def transform_opt_block_arg(node, parent)
  block_arg = transform_block_arg(node, parent)
  block_arg.optional = true
  return block_arg
end

#transform_or(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 514

def transform_or(node, parent)
  first_node = node[1]
  second_node = node[2]
  Mirah::AST::Body.new(parent, position(node)) do |block|
    temp = transformer.tmp
    [
      Mirah::AST::LocalAssignment.new(block, position(first_node), temp) do |l|
        [transform(first_node, l)]
      end,
      Mirah::AST::If.new(parent, position(node)) do |iff|
        [
          Mirah::AST::Condition.new(iff, position(first_node)) do |cond|
            [Mirah::AST::Local.new(cond, position(first_node), temp)]
          end,
          Mirah::AST::Local.new(iff, position(first_node), temp),
          transform(second_node, iff)
        ]
      end
    ]
  end
end

#transform_redo(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 555

def transform_redo(node, parent)
  Mirah::AST::Redo.new(parent, position(node))
end

#transform_regex(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 559

def transform_regex(node, parent)
  contents = node[1]
  modifiers = node[2]
  if contents.size == 1 && contents[0][0] == 'String'
    value = contents[0][1]
    Mirah::AST::Regexp.new(parent, position(node), value)
  else
    raise "Unsupported regex #{node}"
  end
end

#transform_required_argument(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 103

def transform_required_argument(node, parent)
  name = node[1]
  name = transform(name, nil) unless name.kind_of?(::String)
  type = node[2]
  type_node = transform(type, parent) if type
  if Mirah::AST::Unquote === name && type.nil?
    name
  else
    Mirah::AST::RequiredArgument.new(parent, position(node), name, type_node)
  end
end

#transform_rescue(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 638

def transform_rescue(node, parent)
  body_node = node[1]
  clauses = node[2]
  else_node = node[3]
  Mirah::AST::Rescue.new(parent, position(node)) do |node|
    [
      transformer.transform(body_node, node),
      clauses.map {|clause| transformer.transform(clause, node)},
      transformer.transform(else_node, node)
    ]
  end
end

#transform_rescue_clause(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 651

def transform_rescue_clause(node, parent)
  exceptions = node[1]
  var_name = node[2]
  name = transform(var_name, nil) unless var_name.nil? || var_name.kind_of?(::String)
  body = node[3]
  Mirah::AST::RescueClause.new(parent, position(node)) do |clause|
    clause.name = var_name if var_name
    [
      if exceptions.size == 0
        [Mirah::AST::String.new(clause, position(node), 'java.lang.Exception')]
      else
        exceptions.map {|name| Mirah::AST::Constant.new(clause, position(node), name)}
      end,
      body ? transformer.transform(body, clause) : Mirah::AST::Null.new(clause, position(node))
    ]
  end
end

#transform_rest_arg(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 128

def transform_rest_arg(node, parent)
  name = node[1]
  name = transform(name, nil) unless name.kind_of?(::String)
  type = node[2]
  Mirah::AST::RestArgument.new(parent, position(node), name) do |restarg|
    [type ? transform(type, restarg) : nil]
  end
end

#transform_return(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 483

def transform_return(node, parent)
  value_node = node[1] if node.size > 1
  Mirah::AST::Return.new(parent, position(node)) do |ret|
    [value_node ? transform(value_node, ret) : nil]
  end
end

#transform_sclass(node, parent) ⇒ Object

TODO UnnamedRestArg



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# File 'lib/mirah/transform/helper.rb', line 154

def transform_sclass(node, parent)
  Mirah::AST::ClassAppendSelf.new(parent, position(node)) do |class_append_self|
    raise "Singleton class not supported" unless node[1][0] == 'Self'

    [transformer.transform(node[2], class_append_self)]
  end
end

#transform_script(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 36

def transform_script(node, parent)
  Mirah::AST::Script.new(parent, position(node)) do |script|
    script.filename = transformer.filename
    [@mirah.transform(node.children[0], script)]
  end
end

#transform_self(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 63

def transform_self(node, parent)
  Mirah::AST::Self.new(parent, position(node))
end

#transform_string(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 67

def transform_string(node, parent)
  Mirah::AST::String.new(parent, position(node), node[1])
end

#transform_super(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 475

def transform_super(node, parent)
  args = node[1]
  iter = node[2]
  Mirah::AST::Super.new(parent, position(node)) do |s|
    [args ? args.map {|arg| transformer.transform(arg, s)} : []]
  end
end

#transform_symbol(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 71

def transform_symbol(node, parent)
  Mirah::AST::String.new(parent, position(node), node[1])
end

#transform_true(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 51

def transform_true(node, parent)
  Mirah::AST::Boolean.new(parent, position(node), true)
end

#transform_unquote(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 725

def transform_unquote(node, parent)
  Mirah::AST::Unquote.new(parent, position(node)) do |unquote|
    [transform(node[1], unquote)]
  end
end

#transform_unquote_assign(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 731

def transform_unquote_assign(node, parent)
  name, value = node[1], node[2]
  Mirah::AST::UnquoteAssign.new(parent, position(node)) do |unquote|
    [transform(name, unquote), transform(value, unquote)]
  end
end

#transform_until(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 598

def transform_until(node, parent)
  condition_node = node[1]
  body_node = node[2]
  Mirah::AST::Loop.new(parent, position(node), evaluate_at_start?(node), true) do |loop|
    [
      Mirah::AST::Condition.new(loop, position(condition_node)) {|cond| [transform(condition_node, cond)]},
      transform(body_node, loop)
    ]
  end
end

#transform_until_mod(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 608

def transform_until_mod(node, parent)
  transform_until(node, parent)
end

#transform_while(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 584

def transform_while(node, parent)
  condition_node = node[1]
  body_node = node[2]
  Mirah::AST::Loop.new(parent, position(node), evaluate_at_start?(node), false) do |loop|
    [
      Mirah::AST::Condition.new(loop, position(condition_node)) {|cond| [transform(condition_node, cond)]},
      transform(body_node, loop)
    ]
  end
end

#transform_while_mod(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 594

def transform_while_mod(node, parent)
  transform_while(node, parent)
end

#transform_zarray(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 162

def transform_zarray(node, parent)
  Mirah::AST::Array.new(parent, position(node))
end

#transform_zsuper(node, parent) ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 471

def transform_zsuper(node, parent)
  Mirah::AST::Super.new(parent, position(node))
end

#transformer ⇒ Object 



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# File 'lib/mirah/transform/helper.rb', line 28

def transformer
  @mirah
end