Class: IDL::AST::ComponentBase

Inherits:
Derivable show all
Defined in:
lib/ridl/node.rb,
lib/ridl/node.rb

Overview

Interface

Direct Known Subclasses

Component, Connector, Home

Constant Summary collapse

NAMETYPE = 
:class
DEFINABLE = 
[]

Instance Attribute Summary collapse

Attributes inherited from Leaf

#annotations, #enclosure, #intern, #lm_name, #name, #prefix, #scopes

Instance Method Summary collapse

Methods inherited from Derivable

#has_ancestor?, #search_self, #search_self_before_derived

Methods inherited from Node

#define, #introduce, #is_definable?, #match_members, #replace_prefix, #resolve, #select_members, #undo_introduction, #walk_members

Methods inherited from Leaf

#_set_prefix, #has_annotations?, #is_local?, #is_template?, #lm_name_for_scope, #parsed_name_scope, #replace_prefix, #repo_scopes, #repository_id, #resolve, #scoped_lm_name, #scoped_name, #set_repo_id, #set_repo_version, #typename, #unescaped_name

Constructor Details

#initialize(_name, _enclosure, params) ⇒ ComponentBase

Returns a new instance of ComponentBase.



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# File 'lib/ridl/node.rb', line 1161

def initialize(_name, _enclosure, params)
  super(_name, _enclosure)
  @base = nil
  @resolved_base = nil
  @interfaces = []
  @resolved_interfaces = []
  set_base(params[:base]) if params[:base]
  add_interfaces(params[:supports] || [])
end

Instance Attribute Details

#base ⇒ Object (readonly)

Returns the value of attribute base.



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# File 'lib/ridl/node.rb', line 1157

def base
  @base
end

#idltype ⇒ Object (readonly)

Returns the value of attribute idltype.



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# File 'lib/ridl/node.rb', line 1159

def idltype
  @idltype
end

#interfaces ⇒ Object (readonly)

Returns the value of attribute interfaces.



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# File 'lib/ridl/node.rb', line 1158

def interfaces
  @interfaces
end

Instance Method Details

#add_interfaces(intfs) ⇒ Object 



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# File 'lib/ridl/node.rb', line 1216

def add_interfaces(intfs)
  intfs.each do |tc|
    unless tc.is_a?(IDL::Type::ScopedName) && tc.is_node?(IDL::AST::TemplateParam)
      unless (tc.is_a?(IDL::Type::ScopedName) && tc.is_node?(IDL::AST::Interface))
        raise RuntimeError,
              "invalid inheritance identifier for #{typename} #{scoped_lm_name}: #{tc.typename}"
      end
      rtc = tc.resolved_type
      if not rtc.node.is_defined?
        raise RuntimeError,
              "#{typename} #{scoped_lm_name} cannot support forward declared #{tc.node.typename} #{tc.node.scoped_lm_name}"
      end
      ## TODO : is this legal?
      if rtc.node.is_local?
        raise RuntimeError,
              "#{typename} #{scoped_lm_name} cannot support 'local' #{tc.node.typename} #{tc.node.scoped_lm_name}"
      end
      if rtc.node.is_pseudo?
        raise RuntimeError,
              "#{typename} #{scoped_lm_name} cannot support 'pseudo' #{tc.node.typename} #{tc.node.scoped_lm_name}"
      end
      ## TODO : is this legal?
      #if tc.node.is_abstract?
      #  raise RuntimeError,
      #        "'abstract' #{typename} #{scoped_lm_name} cannot support 'abstract' #{tc.node.typename} #{tc.node.scoped_lm_name}"
      #end
      if self.has_support?(rtc.node)
        raise RuntimeError,
              "#{typename} #{scoped_lm_name} cannot support #{tc.node.typename} #{tc.node.scoped_lm_name} multiple times"
      end
      # check if we indirectly support this base multiple times (which is ok; no further need to check)
      unless @resolved_interfaces.any? { |b| b.has_ancestor?(rtc.node) }
        # this is a new support interface so we need to check for member redefinition/ambiguity
        new_op_att_ = []
        rtc.node.walk_members do |m|
          new_op_att_ << m if m.is_a?(IDL::AST::Operation) || m.is_a?(IDL::AST::Attribute)
        end
        if new_op_att_.any? {|n| n_ = self.search_self(n.name); n_.is_a?(IDL::AST::Operation) || n_.is_a?(IDL::AST::Attribute) }
          raise RuntimeError,
                "#{typename} #{scoped_lm_name} cannot support #{tc.node.typename} #{tc.node.scoped_lm_name} because of duplicated operations/attributes"
        end
        # no need to check for duplicate member names; this support is ok
      end
      @resolved_interfaces << rtc.node
    end
    @interfaces << tc.node
  end
end

#ancestors ⇒ Object 



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# File 'lib/ridl/node.rb', line 1212

def ancestors
  resolved_bases
end

#has_base?(n) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ridl/node.rb', line 1208

def has_base?(n)
  @resolved_base && (@resolved_base == n.idltype.resolved_type.node) # || @resolved_base.has_base?(n))
end

#has_support?(intf) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ridl/node.rb', line 1265

def has_support?(intf)
  @resolved_interfaces.any? { |b| b == intf.idltype.resolved_type.node }
end

#instantiate(_context, _enclosure, _params = {}) ⇒ Object 



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# File 'lib/ridl/node.rb', line 1184

def instantiate(_context, _enclosure, _params = {})
  _params.merge!({
    :base => @base ? IDL::Type::ScopedName.new(IDL::AST::TemplateParam.concrete_param(_context, @base)) : @base,
    :supports => self.concrete_interfaces(_context)
  })
  # instantiate concrete def and validate
  super(_context, _enclosure, _params)
end

#marshal_dump ⇒ Object 



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# File 'lib/ridl/node.rb', line 1171

def marshal_dump
  super() << @base << @resolved_base << @interfaces << @resolved_interfaces << @idltype
end

#marshal_load(vars) ⇒ Object 



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# File 'lib/ridl/node.rb', line 1175

def marshal_load(vars)
  @idltype = vars.pop
  @resolved_interfaces = vars.pop
  @interfaces = vars.pop
  @resolved_base = vars.pop
  @base = vars.pop
  super(vars)
end

#redefine(node, params) ⇒ Object 



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# File 'lib/ridl/node.rb', line 1273

def redefine(node, params)
  if node.enclosure == self
    case node
    when IDL::AST::Struct, IDL::AST::Union
      if node.is_defined?
        raise RuntimeError, "#{node.typename} \"#{node.name}\" is already defined."
      end
      node.annotations.concat(params[:annotations])

      _new_node = node.class.new(node.name, self, params)
      _new_node.annotations.concat(node.annotations)
      _new_node.prefix = node.prefix
      _new_node.instance_variable_set(:@repo_ver, node.instance_variable_get(:@repo_ver))
      _new_node.instance_variable_set(:@repo_id, node.instance_variable_get(:@repo_id))

      node.switchtype = params[:switchtype] if node.is_a?(IDL::AST::Union)

      @children << _new_node
      # replace forward node registration
      node.enclosure.undo_introduction(node)
      introduce(_new_node)

      return _new_node
    else
      raise RuntimeError, "#{node.typename} \"#{node.name}\" is already defined."
    end
  end

  case node
  when IDL::AST::Operation, IDL::AST::Attribute
    raise RuntimeError, "#{node.typename} '#{node.scoped_lm_name}' cannot be overridden."
  else
    newnode = node.class.new(node.name, self, params)
    newnode.annotations.concat(params[:annotations])
    introduce(newnode)
    @children << newnode  # add overriding child
    return newnode
  end
end

#set_base(parent) ⇒ Object 



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# File 'lib/ridl/node.rb', line 1193

def set_base(parent)
  unless parent.is_a?(IDL::Type::ScopedName) && parent.is_node?(IDL::AST::TemplateParam)
    unless (parent.is_a?(IDL::Type::ScopedName) && parent.is_node?(self.class))
      raise RuntimeError,
            "invalid inheritance identifier for #{typename} #{scoped_lm_name}: #{parent.typename}"
    end
    if parent.resolved_type.node.has_base?(self)
      raise RuntimeError,
            "circular inheritance detected for #{typename} #{scoped_lm_name}: #{parent.node.scoped_lm_name} is descendant"
    end
    @resolved_base = parent.resolved_type.node
  end
  @base = parent.node
end

#supports?(intf) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ridl/node.rb', line 1269

def supports?(intf)
  self.has_support?(intf) || (@resolved_base && @resolved_base.supports?(intf)) || @resolved_interfaces.any? { |base_i| i.has_ancestor?(intf) }
end