Class: Steep::AST::Types::Masked

Inherits:
Object
  • Object
show all
Defined in:
lib/steep/ast/types.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type:, mask:, location:) ⇒ Masked

Returns a new instance of Masked.



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# File 'lib/steep/ast/types.rb', line 9

def initialize(type:, mask:, location:)
  @type = type
  @mask = mask
  @location = location
end

Instance Attribute Details

#location ⇒ Object (readonly)

Returns the value of attribute location.



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# File 'lib/steep/ast/types.rb', line 5

def location
  @location
end

#mask ⇒ Object (readonly)

Returns the value of attribute mask.



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# File 'lib/steep/ast/types.rb', line 7

def mask
  @mask
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/steep/ast/types.rb', line 6

def type
  @type
end

Instance Method Details

#==(other) ⇒ Object Also known as: eql? 



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# File 'lib/steep/ast/types.rb', line 15

def ==(other)
  other.is_a?(Masked) &&
    other.type == type &&
    other.mask == mask
end

#each_type(&block) ⇒ Object 



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# File 'lib/steep/ast/types.rb', line 43

def each_type(&block)
  if block_given?
    yield type
    yield mask
  else
    enum_for :each_type
  end
end

#free_variables(set = Set.new) ⇒ Object 



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# File 'lib/steep/ast/types.rb', line 38

def free_variables(set = Set.new)
  type.free_variables(set)
  mask.free_variables(set)
end

#hash ⇒ Object 



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# File 'lib/steep/ast/types.rb', line 23

def hash
  self.class.hash ^ type.hash ^ mask.hash
end

#sub(s) ⇒ Object 



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# File 'lib/steep/ast/types.rb', line 52

def sub(s)
  self.class.new(type: type.sub(s),
                 mask: mask.sub(s),
                 location: location)
end

#to_json(*a) ⇒ Object 



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# File 'lib/steep/ast/types.rb', line 27

def to_json(*a)
  { class: :masked,
    type: type,
    mask: mask,
    location: location }.to_json(*a)
end

#to_s(level = 0) ⇒ Object 



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# File 'lib/steep/ast/types.rb', line 34

def to_s(level = 0)
  "masked(#{type}|#{mask})"
end