Class: IDL::Delegator

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

Constant Summary collapse

@@pragma_handlers =

#pragma handler registry each keyed entry a callable object:

  • responds to #call(delegator, cur_node, pragma_string)

  • returns boolean to indicate pragma recognized and handled (true) or not (false)

{}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}) ⇒ Delegator

Returns a new instance of Delegator.



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# File 'lib/ridl/delegate.rb', line 37

def initialize(params = {})
  @annotation_stack = IDL::AST::Annotations.new
  @includes = {}
  @expand_includes = params[:expand_includes] || false
  @preprocess = params[:preprocess] || false
  @preprocout = params[:output] if @preprocess
  @ignore_pidl = params[:ignore_pidl] || false
  @root_namespace = nil
  if not params[:namespace].nil?
    @root_namespace = IDL::AST::Module.new(params[:namespace], nil, {})
  end
end

Instance Attribute Details

#root ⇒ Object (readonly)

Returns the value of attribute root.



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# File 'lib/ridl/delegate.rb', line 50

def root
  @root
end

#root_namespace ⇒ Object (readonly)

Returns the value of attribute root_namespace.



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# File 'lib/ridl/delegate.rb', line 50

def root_namespace
  @root_namespace
end

Class Method Details

.add_pragma_handler(key, h = nil, &block) ⇒ Object

Raises:

  • (RuntimeError) 


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# File 'lib/ridl/delegate.rb', line 28

def self.add_pragma_handler(key, h = nil, &block)
  raise RuntimeError, 'add_pragma_handler requires a callable object or a block' unless (h && h.respond_to?(:call)) || block_given?
  @@pragma_handlers[key] = block_given? ? block : h
end

.get_pragma_handler(key) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 33

def self.get_pragma_handler(key)
  @@pragma_handlers[key]
end

Instance Method Details

#cur_parsed_name_scope ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 209

def cur_parsed_name_scope
  @cur ? @cur.parsed_name_scope : ''
end

#declare_attribute(_type, _name, _readonly = false) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 681

def declare_attribute(_type, _name, _readonly=false)
  params = Hash.new
  params[:type] = _type
  params[:readonly] = _readonly
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last(@cur.define(IDL::AST::Attribute, _name, params))
end

#declare_component(name) ⇒ Object

Raises:

  • (RuntimeError) 


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# File 'lib/ridl/delegate.rb', line 403

def declare_component(name)
  params = {}
  params[:forward] = true
  raise RuntimeError,
     "annotations with forward declaration of #{name} not allowed" unless @annotation_stack.empty?
  set_last
  @cur.define(IDL::AST::Component, name, params)
end

#declare_enumerator(_name) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 780

def declare_enumerator(_name)
  n = @cur.enumerators.length
  params = {
    :value => n,
    :enum => @cur
  }
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last(@cur.enclosure.define(IDL::AST::Enumerator, _name, params))
  @cur
end

#declare_eventtype(name, attrib = nil) ⇒ Object

Raises:

  • (RuntimeError) 


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# File 'lib/ridl/delegate.rb', line 465

def declare_eventtype(name, attrib=nil)
  params = {}
  params[:abstract] = attrib == :abstract
  params[:forward] = true
  raise RuntimeError,
     "annotations with forward declaration of #{name} not allowed" unless @annotation_stack.empty?
  set_last
  @cur.define(IDL::AST::Eventtype, name, params)
  @cur
end

#declare_finder(name, params_, raises_) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 550

def declare_finder(name, params_, raises_)
  params = {}
  params[:params] = params_
  params[:raises] = raises_
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last(@cur.define(IDL::AST::Finder, name, params))
  @cur
end

#declare_include(s) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 232

def declare_include(s)
  params = { :filename => s, :fullpath => @includes[s].fullpath }
  params[:defined] = false
  params[:preprocessed] = @includes[s].is_preprocessed?
  @cur.define(IDL::AST::Include, "$INC:"+s, params)
end

#declare_initializer(name, params_, raises_) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 540

def declare_initializer(name, params_, raises_)
  params = {}
  params[:params] = params_
  params[:raises] = raises_
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last(@cur.define(IDL::AST::Initializer, name, params))
  @cur
end

#declare_interface(name, attrib = nil) ⇒ Object

Raises:

  • (RuntimeError) 


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# File 'lib/ridl/delegate.rb', line 356

def declare_interface(name, attrib=nil)
  params = {}
  params[:abstract] = attrib == :abstract
  params[:local] = attrib == :local
  params[:forward] = true
  params[:pseudo] = false
  raise RuntimeError,
     "annotations with forward declaration of #{name} not allowed" unless @annotation_stack.empty?
  @cur.define(IDL::AST::Interface, name, params)
  set_last
  @cur
end

#declare_member(_type, _name) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 705

def declare_member(_type, _name)
  params = Hash.new
  params[:type] = _type
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last(@cur.define(IDL::AST::Member, _name, params))
  @cur
end

#declare_op_footer(_raises, _context) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 671

def declare_op_footer(_raises, _context)
  @cur.raises = _raises || []
  @cur.context = _context
  if not @cur.context.nil?
    raise RuntimeError, "context phrase's not supported"
  end
  set_last(@cur)
  @cur = @cur.enclosure
end

#declare_op_header(_oneway, _type, _name) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 653

def declare_op_header(_oneway, _type, _name)
  params = Hash.new
  params[:oneway] = (_oneway == :oneway)
  params[:type]   = _type
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last
  @cur = @cur.define(IDL::AST::Operation, _name, params)
end

#declare_op_parameter(_attribute, _type, _name) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 662

def declare_op_parameter(_attribute, _type, _name)
  params = Hash.new
  params[:attribute] = _attribute
  params[:type] = _type
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last(@cur.define(IDL::AST::Parameter, _name, params))
  @cur
end

#declare_port(name, porttype, type, multiple = false) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 454

def declare_port(name, porttype, type, multiple = false)
  params = {}
  params[:porttype] = porttype
  params[:type] = type
  params[:multiple] = multiple
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last(@cur.define(IDL::AST::Port, name, params))
  @cur
end

#declare_state_member(type, name, public_) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 522

def declare_state_member(type, name, public_)
  params = {}
  params[:type] = type
  params[:visibility] = (public_ ? :public : :private)
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last(@cur.define(IDL::AST::StateMember, name, params))
  @cur
end

#declare_struct(_name) ⇒ Object

Raises:

  • (RuntimeError) 


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# File 'lib/ridl/delegate.rb', line 690

def declare_struct(_name)
  params = { :forward => true }
  raise RuntimeError,
     "annotations with forward declaration of #{name} not allowed" unless @annotation_stack.empty?
  set_last
  @cur.define(IDL::AST::Struct, _name, params)
  @cur
end

#declare_template_reference(name, type, tpl_params) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 346

def declare_template_reference(name, type, tpl_params)
  params = {}
  params[:tpl_type] = type
  params[:tpl_params] = tpl_params || []
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last(@cur.define(IDL::AST::TemplateModuleReference, name, params))
  @cur
end

#declare_typedef(_type, _name) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 798

def declare_typedef(_type, _name)
  params = Hash.new
  params[:type] = _type
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last(@cur.define(IDL::AST::Typedef, _name, params))
  @cur
end

#declare_union(_name) ⇒ Object

Raises:

  • (RuntimeError) 


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# File 'lib/ridl/delegate.rb', line 734

def declare_union(_name)
  params = { :forward => true }
  raise RuntimeError,
     "annotations with forward declaration of #{name} not allowed" unless @annotation_stack.empty?
  set_last
  @cur.define(IDL::AST::Union, _name, params)
  @cur
end

#declare_valuetype(name, attrib = nil) ⇒ Object

Raises:

  • (RuntimeError) 


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# File 'lib/ridl/delegate.rb', line 489

def declare_valuetype(name, attrib=nil)
  params = {}
  params[:abstract] = attrib == :abstract
  params[:forward] = true
  raise RuntimeError,
     "annotations with forward declaration of #{name} not allowed" unless @annotation_stack.empty?
  set_last
  @cur.define(IDL::AST::Valuetype, name, params)
  @cur
end

#define_annotation(annid, annpos, anncomment, annbody) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 279

def define_annotation(annid, annpos, anncomment, annbody)
  IDL.log(3, "parsed #{anncomment ? 'commented ' : ''}Annotation #{annid}(#{annbody}) @ #{annpos}")
  if anncomment && @last && (@last_pos.line == annpos.line) && (@last_pos.name == annpos.name)
    IDL.log(3, 'adding annotation to last node')
    @last.annotations << IDL::AST::Annotation.new(annid, annbody)
  else
    IDL.log(3, 'appending annotation cached stack')
    @annotation_stack << IDL::AST::Annotation.new(annid, annbody)
  end
end

#define_case(_labels, _type, _name) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 755

def define_case(_labels, _type, _name)
  params = Hash.new
  params[:type] = _type
  params[:labels] = _labels
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last(@cur.define(IDL::AST::UnionMember, _name, params))
  @cur
end

#define_component(name, base, supports = nil) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 412

def define_component(name, base, supports = nil)
  params = {}
  params[:base] = base
  params[:supports] = supports || []
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last
  @cur = @cur.define(IDL::AST::Component, name, params)
end

#define_connector(name, base = nil) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 427

def define_connector(name, base = nil)
  params = {}
  params[:base] = base
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last
  @cur = @cur.define(IDL::AST::Connector, name, params)
end

#define_const(_type, _name, _expression) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 645

def define_const(_type, _name, _expression)
  params = { :type => _type, :expression => _expression }
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last(@cur.define(IDL::AST::Const, _name, params))
  @cur
end

#define_enum(_name) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 773

def define_enum(_name)
  params = {}
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last
  @cur = @cur.define(IDL::AST::Enum, _name, params)
end

#define_eventtype(name, attrib, inherits = {}) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 476

def define_eventtype(name, attrib, inherits={})
  params = {}
  params[:abstract] = attrib == :abstract
  params[:custom] = attrib == :custom
  params[:forward] = false
  params[:inherits] = inherits
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last
  @cur = @cur.define(IDL::AST::Eventtype, name, params)
  @cur
end

#define_exception(_name) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 720

def define_exception(_name)
  params = { :forward => false }
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last
  @cur = @cur.define(IDL::AST::Exception, _name, params)
end

#define_home(name, base, component, key = nil, supports = nil) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 386

def define_home(name, base, component, key = nil, supports = nil)
  params = {}
  params[:base] = base
  params[:component] = component
  params[:key] = key
  params[:supports] = supports || []
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last
  @cur = @cur.define(IDL::AST::Home, name, params)
end

#define_interface(name, attrib, inherits = []) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 369

def define_interface(name, attrib, inherits = [])
  params = {}
  params[:abstract] = attrib == :abstract
  params[:local] = attrib == :local
  params[:pseudo] = attrib == :pseudo
  params[:forward] = false
  params[:inherits] = inherits
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last
  @cur = @cur.define(IDL::AST::Interface, name, params)
end

#define_module(name) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 290

def define_module(name)
  @cur = @cur.define(IDL::AST::Module, name)
  @cur.annotations.concat(@annotation_stack) unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last
  @cur
end

#define_porttype(name) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 441

def define_porttype(name)
  params = {}
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last
  @cur = @cur.define(IDL::AST::Porttype, name, params)
end

#define_struct(_name) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 698

def define_struct(_name)
  params = { :forward => false }
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last
  @cur = @cur.define(IDL::AST::Struct, _name, params)
end

#define_template_module(global, names) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 306

def define_template_module(global, names)
  if global || names.size>1
    raise RuntimeError, "no scoped identifier allowed for template module: #{(global ? '::' : '')+names.join('::')}"
  end
  @cur = @cur.define(IDL::AST::TemplateModule, names[0])
  @cur.annotations.concat(@annotation_stack) unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last
  @cur
end

#define_template_parameter(name, type) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 318

def define_template_parameter(name, type)
  if @template_module_name
    tmp = @template_module_name
    @template_module_name = nil # reset
    define_template_module(*tmp)
  end
  params = { :type => type }
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last(@cur.define(IDL::AST::TemplateParam, name, params))
  @cur
end

#define_typeid(type, tid) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 275

def define_typeid(type, tid)
  type.node.set_repo_id(tid.to_s)
end

#define_typeprefix(type, pfx) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 271

def define_typeprefix(type, pfx)
  type.node.replace_prefix(pfx.to_s)
end

#define_union(_name) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 742

def define_union(_name)
  params = { :forward => false }
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last
  @cur = @cur.define(IDL::AST::Union, _name, params)
end

#define_union_switchtype(union_node, switchtype) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 749

def define_union_switchtype(union_node, switchtype)
  union_node.set_switchtype(switchtype)
  union_node.annotations.concat(@annotation_stack) unless @annotation_stack.empty?
  @annotation_stack.clear
  union_node
end

#define_valuebox(name, type) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 532

def define_valuebox(name, type)
  params = { :type => type }
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last(@cur.define(IDL::AST::Valuebox, name, params))
  @cur
end

#define_valuetype(name, attrib, inherits = {}) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 500

def define_valuetype(name, attrib, inherits={})
  params = {}
  params[:abstract] = attrib == :abstract
  params[:custom] = attrib == :custom
  params[:forward] = false
  params[:inherits] = inherits
  params[:annotations] = @annotation_stack.dup unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last
  @cur = @cur.define(IDL::AST::Valuetype, name, params)
  @cur
end

#end_component(node) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 422

def end_component(node)
  set_last(@cur)
  @cur = @cur.enclosure
end

#end_connector(node) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 436

def end_connector(node)
  set_last(@cur)
  @cur = @cur.enclosure
end

#end_enum(node) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 791

def end_enum(node)
  set_last(@cur)
  ret = IDL::Type::ScopedName.new(@cur)
  @cur = @cur.enclosure
  ret
end

#end_exception(node) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 727

def end_exception(node)
  set_last(@cur)
  ret = IDL::Type::ScopedName.new(@cur)
  @cur = @cur.enclosure
  ret
end

#end_home(node) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 398

def end_home(node)
  set_last(@cur)
  @cur = @cur.enclosure
end

#end_interface(node) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 381

def end_interface(node)
  set_last(@cur)
  @cur = @cur.enclosure # must equals to argument mod
end

#end_module(node) ⇒ Object Also known as: end_template_module 



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# File 'lib/ridl/delegate.rb', line 297

def end_module(node)
  set_last(@cur)
  @cur = @cur.enclosure # must equals to argument mod
end

#end_porttype(node) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 449

def end_porttype(node)
  set_last(@cur)
  @cur = @cur.enclosure
end

#end_struct(node) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 713

def end_struct(node)
  node.defined = true
  set_last(@cur)
  ret = IDL::Type::ScopedName.new(@cur)
  @cur = @cur.enclosure
  ret
end

#end_union(node) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 764

def end_union(node)
  node.validate_labels
  node.defined = true
  set_last(@cur)
  ret = IDL::Type::ScopedName.new(@cur)
  @cur = @cur.enclosure
  ret
end

#end_valuetype(node) ⇒ Object Also known as: end_eventtype 



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# File 'lib/ridl/delegate.rb', line 513

def end_valuetype(node)
  node.defined = true
  set_last(@cur)
  ret = IDL::Type::ScopedName.new(@cur)
  @cur = @cur.enclosure # must equals to argument mod
  ret
end

#enter_include(s, fullpath) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 217

def enter_include(s, fullpath)
  params = { :filename => s, :fullpath => fullpath }
  params[:defined] = true
  params[:preprocessed] = @preprocess
  @cur = @cur.define(IDL::AST::Include, "$INC:"+s, params)
  @includes[s] = @cur
  set_last
  @cur
end

#handle_pragma(pragma_string) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 265

def handle_pragma(pragma_string)
  unless @@pragma_handlers.values.any? {|h| h.call(self, @cur, pragma_string)}
    IDL.log(1, "RIDL - unrecognized pragma encountered: #{pragma_string}.")
  end
end

#instantiate_template_module(name, parameters) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 331

def instantiate_template_module(name, parameters)
  tmp = @template_module_name
  @template_module_name = nil # reset
  template_type = parse_scopedname(*tmp)
  unless template_type.node.is_a?(IDL::AST::TemplateModule)
    raise RuntimeError, "invalid module template specification: #{template_type.node.typename} #{template_type.node.scoped_lm_name}"
  end
  params = { :template => template_type.node, :template_params => parameters }
  mod_inst = @cur.define(IDL::AST::Module, name, params)
  mod_inst.annotations.concat(@annotation_stack) unless @annotation_stack.empty?
  @annotation_stack.clear
  set_last(mod_inst.template.instantiate(mod_inst))
  @cur
end

#is_included?(s) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ridl/delegate.rb', line 213

def is_included?(s)
  @includes.has_key?(s)
end

#leave_include ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 227

def leave_include()
  set_last
  @cur = @cur.enclosure
end

#parse_literal(_typestring, _value) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 597

def parse_literal(_typestring, _value)
  k = Expression::Value
  case _typestring
  when :boolean
    k.new(Type::Boolean.new, _value)
  when :integer
    _type = [
      Type::Octet,
      Type::Short,
      Type::Long,
      Type::LongLong,
      Type::ULongLong,
    ].detect {|t| t::Range === _value }
    if _type.nil?
      raise RuntimeError,
        "it's not a valid integer: #{v.to_s}"
    end
    k.new(_type.new, _value)
  when :string
    k.new(Type::String.new, _value)
  when :wstring
    k.new(Type::WString.new, _value)
  when :char
    k.new(Type::Char.new, _value)
  when :wchar
    k.new(Type::WChar.new, _value)
  when :fixed
    k.new(Type::Fixed.new, _value)
  when :float
    k.new(Type::Float.new, _value)
  else
    raise ParseError, "unknown literal type: #{type}"
  end
end

#parse_positive_int(_expression) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 632

def parse_positive_int(_expression)
  if _expression.is_template?
    _expression
  else
    if not ::Integer === _expression.value
      raise RuntimeError, "must be integer: #{_expression.value.inspect}"
    elsif _expression.value < 0
      raise RuntimeError, "must be positive integer: #{_expression.value.to_s}"
    end
    _expression.value
  end
end

#parse_scopedname(global, namelist) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 560

def parse_scopedname(global, namelist)
  node = root = if global then @root else @cur end
  first = nil
  namelist.each do |nm|
    n = node.resolve(nm)
    if n.nil?
      raise RuntimeError,
        "cannot find type name '#{nm}' in scope '#{node.scoped_name}'"
    end
    node = n
    first = node if first.nil?
  end
  root.introduce(first)
  case node
  when IDL::AST::Module, IDL::AST::TemplateModule,
       IDL::AST::Interface,IDL::AST::Home, IDL::AST::Component,
       IDL::AST::Porttype, IDL::AST::Connector,
       IDL::AST::Struct, IDL::AST::Union, IDL::AST::Typedef,
       IDL::AST::Exception, IDL::AST::Enum,
       IDL::AST::Valuetype, IDL::AST::Valuebox
    Type::ScopedName.new(node)
  when IDL::AST::TemplateParam
    if node.idltype.is_a?(IDL::Type::Const)
      Expression::ScopedName.new(node)
    else
      Type::ScopedName.new(node)
    end
  when IDL::AST::Const
    Expression::ScopedName.new(node)
  when IDL::AST::Enumerator
    Expression::Enumerator.new(node)
  else
    raise RuntimeError,
       "invalid reference to #{node.class.name}: #{node.scoped_name}"
  end
end

#post_parse ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 77

def post_parse
  if @preprocess
    Marshal.dump([@root, @includes], @preprocout)
  end
end

#pragma_id(id, repo_id) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 254

def pragma_id(id, repo_id)
  ids = id.split('::')
  global = false
  if ids.first.empty?
    global = true
    ids.shift
  end
  t = parse_scopedname(global, ids)
  t.node.set_repo_id(repo_id)
end

#pragma_prefix(s) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 239

def pragma_prefix(s)
  @cur.prefix = s
end

#pragma_version(id, major, minor) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 243

def pragma_version(id, major, minor)
  ids = id.split('::')
  global = false
  if ids.first.empty?
    global = true
    ids.shift
  end
  t = parse_scopedname(global, ids)
  t.node.set_repo_version(major, minor)
end

#pre_parse ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 52

def pre_parse
  @root = nil
  unless @preprocess || @ignore_pidl
    IDL.backend.lookup_path.each do |be_root|
      pidl_file = File.join(be_root, ORB_PIDL)
      if File.file?(pidl_file) && File.readable?(pidl_file)
        f = File.open(pidl_file, 'r')
        begin
          @root, @includes = Marshal.load(f)
          @cur = @root
        rescue Exception => ex
          IDL.error("RIDL - failed to load ORB pidlc [#{ex}]\n You probably need to rebuild the bootstrap file (compile orb.idl to orb.pidlc).")
          exit(1)
        ensure
          f.close
        end
        break
      end
    end
    return if @root
  end
  @root = @cur = IDL::AST::Module.new(nil, nil, {}) # global root
  @last = nil
  @last_pos = nil
end

#register_template_module_name(name_spec) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 302

def register_template_module_name(name_spec)
  @template_module_name = name_spec
end

#visit_nodes(walker) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 93

def visit_nodes(walker)
  walker.visit_nodes(self)
end

#walk_member(m, w) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 101

def walk_member(m, w)
  case m
  when IDL::AST::Include
    if !m.is_preprocessed?
      if @expand_includes
        if m.is_defined?
          w.enter_include(m)
          m.walk_members { |cm| walk_member(cm, w) }
          w.leave_include(m)
        end
      else
        w.visit_include(m)
      end
    end
  when IDL::AST::Porttype, IDL::AST::TemplateModule
    # these are template types and do not generally generate
    # code by themselves but only when 'instantiated' (used)
    # in another type
  when IDL::AST::Module
    w.enter_module(m)
    m.walk_members { |cm| walk_member(cm, w) }
    w.leave_module(m)
  when IDL::AST::Interface
    if m.is_forward?
      w.declare_interface(m)
    else
      w.enter_interface(m)
      m.walk_members { |cm| walk_member(cm, w) }
      w.leave_interface(m)
    end
  when IDL::AST::Home
    _te = w.respond_to?(:enter_home)
    _tl = w.respond_to?(:leave_home)
    return unless _te || _tl
    w.enter_home(m) if _te
    m.walk_members { |cm| walk_member(cm, w) }
    w.leave_home(m) if _tl
  when IDL::AST::Component
    if m.is_forward?
      w.declare_component(m) if w.respond_to?(:declare_component)
    else
      _te = w.respond_to?(:enter_component)
      _tl = w.respond_to?(:leave_component)
      return unless _te || _tl
      w.enter_component(m) if _te
      m.walk_members { |cm| walk_member(cm, w) }
      w.leave_component(m) if _tl
    end
  when IDL::AST::Connector
    _te = w.respond_to?(:enter_connector)
    _tl = w.respond_to?(:leave_connector)
    return unless _te || _tl
    w.enter_connector(m) if _te
    m.walk_members { |cm| walk_member(cm, w) }
    w.leave_connector(m) if _tl
  when IDL::AST::Port
    w.visit_port(m) if w.respond_to?(:visit_port)
  when IDL::AST::Valuebox
    w.visit_valuebox(m)
  when IDL::AST::Valuetype, IDL::AST::Eventtype
    if m.is_forward?
      w.declare_valuetype(m)
    else
      w.enter_valuetype(m)
      m.walk_members { |cm| walk_member(cm, w) }
      w.leave_valuetype(m)
    end
  when IDL::AST::Finder
    w.visit_finder(m) if w.respond_to?(:visit_finder)
  when IDL::AST::Initializer
    w.visit_factory(m) if w.respond_to?(:visit_factory)
  when IDL::AST::Const
    w.visit_const(m)
  when IDL::AST::Operation
    w.visit_operation(m)
  when IDL::AST::Attribute
    w.visit_attribute(m)
  when IDL::AST::Exception
    w.enter_exception(m)
    m.walk_members { |cm| walk_member(cm, w) }
    w.leave_exception(m)
  when IDL::AST::Struct
    if m.is_forward?
      w.declare_struct(m)
    else
      w.enter_struct(m)
      m.walk_members { |cm| walk_member(cm, w) }
      w.leave_struct(m)
    end
  when IDL::AST::Union
    if m.is_forward?
      w.declare_union(m)
    else
      w.enter_union(m)
      m.walk_members { |cm| walk_member(cm, w) }
      w.leave_union(m)
    end
  when IDL::AST::Typedef
    w.visit_typedef(m)
  when IDL::AST::Enum
    w.visit_enum(m)
  when IDL::AST::Enumerator
    w.visit_enumerator(m)
  else
    raise RuntimeError, "Invalid IDL member type for walkthrough: #{m.class.name}"
  end
end

#walk_nodes(walker, root_node = nil) ⇒ Object 



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# File 'lib/ridl/delegate.rb', line 97

def walk_nodes(walker, root_node = nil)
  (root_node || @root).walk_members { |m| walk_member(m, walker) }
end