Class: C::Variable

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

Instance Method Summary collapse

Instance Method Details

#depth ⇒ Object 



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# File 'lib/csquare.rb', line 664

def depth
  0
end

#involves?(literal_or_variables) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/csquare.rb', line 632

def involves? literal_or_variables
  literal_or_variables.is_a?(Array) ? literal_or_variables.include?(self.name) : literal_or_variables == self.name
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 669

def recombine! function, blueprint, type_symbol, return_type=nil

  args_types = {}

  replace_vars = blueprint.vars(type_symbol)
  return_node =
  if replace_vars.has_key?(self.name)
    n = self.clone
    n.name = replace_vars[self.name]
    n
  else
    self
  end

  [return_node, self.return_typename(function, blueprint)]
end

#return_typename(function, blueprint = nil) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/csquare.rb', line 640

def return_typename function, blueprint=nil
  return :boolean if %w{true false}.include?(self.name)

  if parent_block.has_local?(self.name, blueprint)
    t = function.type_of(self.name, blueprint)
    return t.to_s if t.is_a?(C::PrimitiveType) # int, float, double, etc
    return t.is_a?(C::DirectType) ? t.name : t
  end

  # This is kind of a hack. To do it the real way, we really need to know the type symbol
  if self.name =~ /_(MIN|MAX)$/
    return blueprint.externs[self.name] if blueprint.externs.has_key?(self.name)
    name_without_minmax = self.name[0...-4]
    if blueprint.extra_templates_by_source.has_key?(function.name) && blueprint.extra_templates_by_source[function.name].has_key?(name_without_minmax)
      return blueprint.extra_templates_by_source[function.name][name_without_minmax]
    end
  end

  require 'pry'
  binding.pry

  raise(NotImplementedError, "undeclared variable #{self.name.inspect}")
end

#underlying_value ⇒ Object 



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# File 'lib/csquare.rb', line 636

def underlying_value
  self.name
end