Class: CSquare::Generator::BooleanOp

Inherits:
BinaryOp
  • Object
show all
Defined in:
lib/csquare/generator/boolean_op.rb

Instance Attribute Summary

Attributes inherited from Op

#blueprint, #id, #patterns

Instance Method Summary collapse

Methods inherited from BinaryOp

#select_type_symbol

Methods inherited from Op

#[], #[]=, #has_key?, #initialize, #inspect

Constructor Details

This class inherits a constructor from CSquare::Generator::Op

Instance Method Details

#decorated(args_types, return_type, default_type_symbol) ⇒ Object 



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# File 'lib/csquare/generator/boolean_op.rb', line 3

def decorated args_types, return_type, default_type_symbol
  result = super(args_types, return_type, default_type_symbol)
  return nil if result.nil?

  # Boolean operations always return booleans
  [result[0], :boolean]
end

#select_pattern(args_types, return_type) ⇒ Object

Determine which pattern to apply



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# File 'lib/csquare/generator/boolean_op.rb', line 12

def select_pattern args_types, return_type
  args = args_types.keys
  types = args_types.values

  # If the exact arg has a pattern, prefer to use that
  if self.has_key?(args[1]) # look for exact arg
    self[args[1]]
  elsif types[1].is_a?(Symbol) # look for type symbol
    self[types[1]]
  else # look for TYPE or LONG_TYPE or :cast

    if types[0] == types[1]
      self[blueprint.key]
    else
      self[:cast] || self[blueprint.long_key]
    end
  end
end