Class: Idl::BitfieldType

Inherits:
Type
  • Object
show all
Defined in:
lib/idlc/type.rb

Constant Summary

Constants inherited from Type

Type::KINDS, Type::QUALIFIERS, Type::TYPE_FROM_KIND

Instance Attribute Summary

Attributes inherited from Type

#kind, #max_width, #qualifiers, #width_ast

Instance Method Summary collapse

Methods inherited from Type

#==, #ary?, #ary_type, #comparable_to?, #const?, #convertable_to?, #default, #enum_class, #equal_to?, from_json_schema, from_typename, #global?, #integral?, #known?, #make_const, #make_const!, #make_global, #make_known, #make_signed, #mutable?, #name, #qualify, #runtime?, #signed?, #sub_type, #to_idl, #to_s, #tuple_types

Constructor Details

#initialize(type_name, width, field_names, field_ranges) ⇒ BitfieldType

Returns a new instance of BitfieldType.



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# File 'lib/idlc/type.rb', line 726

def initialize(type_name, width, field_names, field_ranges)
  super(:bitfield, name: type_name, width:)

  @field_names = field_names
  @field_ranges = field_ranges
  raise "unexpected" unless field_names.is_a?(Array)
  raise "unexpected" unless field_ranges.is_a?(Array) && field_names.length == field_ranges.length
end

Instance Method Details

#clone ⇒ Object 



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# File 'lib/idlc/type.rb', line 746

def clone
  BitfieldType.new(
    name,
    width,
    field_names,
    @field_ranges
  )
end

#field_names ⇒ Object 



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# File 'lib/idlc/type.rb', line 742

def field_names
  @field_names
end

#range(field_name) ⇒ Object 



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# File 'lib/idlc/type.rb', line 735

def range(field_name)
  i = @field_names.index(field_name)
  raise "Could not find #{field_name} in #{@name}" if i.nil?

  @field_ranges[i]
end

#width ⇒ Object 



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# File 'lib/idlc/type.rb', line 725

def width = @field_ranges.map(&:size).reduce(&:+)