Class: C::AssignmentExpression

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

Instance Method Summary collapse

Instance Method Details

#involves_on_left?(literal_or_variables) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/csquare.rb', line 812

def involves_on_left? literal_or_variables
  return lval.involves?(literal_or_variables) if lval.Expression?
  false
end

#involves_on_right?(literal_or_variables) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/csquare.rb', line 817

def involves_on_right? literal_or_variables
  return rval.involves?(literal_or_variables) if rval.Expression?
  false
end

#recombine!(function, blueprint, type_symbol, return_type = nil) ⇒ Object

Replace some expression with the pattern from Blueprint.



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# File 'lib/csquare.rb', line 827

def recombine! function, blueprint, type_symbol, return_type=nil
  args_types = {}

  # Determine the left-hand return type
  return_type = self.lval.return_typename(function, blueprint)

  # Recombine on the right-hand side
  # r_result: ast, return type (or just nil)
  r_result = self.rval.recombine! function, blueprint, type_symbol, return_type

  args_types[self.lval.csquare_key]   = self.lval.return_typename(function, blueprint)
  args_types[r_result[0].csquare_key] = r_result[1]

  rval.replace_with(r_result[0]) unless r_result.nil? || rval == r_result[0]

  if blueprint.has_op?(op) && blueprint.responds_to_typename?(return_type)
    blueprint.decorated_expression(type_symbol, op, args_types, return_type)
  end
end

#return_typename(function, blueprint) ⇒ Object 



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# File 'lib/csquare.rb', line 822

def return_typename function, blueprint
  self.lval.return_typename function, blueprint
end