Class: CastOff::Compiler::SimpleIR::ConstWrapper

Inherits:
TypeContainer show all
Defined in:
lib/cast_off/compile/ir/operand.rb

Constant Summary

Constants inherited from TypeContainer

TypeContainer::FixnumWrapper, TypeContainer::FloatWrapper

Instance Attribute Summary collapse

Attributes inherited from TypeContainer

#state, #types

Instance Method Summary collapse

Methods inherited from TypeContainer

#box, #boxed?, #boxed_form, #can_unbox?, #declare, #declare_class, #dynamic?, #is_also, #is_also?, #is_annotated, #is_class_exact, #is_dynamic, #is_just?, #is_negative_cond_value, #is_not, #is_static, #not_initialized, #reset, #static?, #to_debug_string, #to_s, #unboxed?, #undefined?, #union

Methods included from Util

#bug, #dlog, #todo, #vlog

Constructor Details

#initialize(flag, *ids, translator) ⇒ ConstWrapper

Returns a new instance of ConstWrapper.


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# File 'lib/cast_off/compile/ir/operand.rb', line 411

def initialize(flag, *ids, translator)
  super()
  @chain = ids
  @flag = flag
  @path = "#{@flag ? '::' : nil}#{@chain.join("::")}"
  @translator = translator
  @name = @translator.allocate_name("const_#{@path}")
  @translator.declare_constant(@name)
  conf = @translator.configuration
  @cache_constant_p = @prefetch_constant_p = conf.prefetch_constant? && conf.has_binding?
  if prefetch?
    begin
      val = conf.evaluate_by_passed_binding(@path)
      c = ClassWrapper.new(val, false)
    rescue
      @prefetch_constant_p = false
      c = nil
    end
  else
    c = nil
  end
  if c && @translator.get_c_classname(c)
    is_static([c])
  else
    is_dynamic()
  end
end

Instance Attribute Details

#path ⇒ Object (readonly)

Returns the value of attribute path.


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# File 'lib/cast_off/compile/ir/operand.rb', line 409

def path
  @path
end

Instance Method Details

#==(v) ⇒ Object 


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# File 'lib/cast_off/compile/ir/operand.rb', line 474

def ==(v)
  eql?(v)
end

#cache? ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'lib/cast_off/compile/ir/operand.rb', line 449

def cache?
  @cache_constant_p
end

#class_exact? ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'lib/cast_off/compile/ir/operand.rb', line 457

def class_exact?
  false
end

#eql?(v) ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'lib/cast_off/compile/ir/operand.rb', line 469

def eql?(v)
  return false unless v.is_a?(ConstWrapper)
  @path == v.path
end

#get_constant_chain ⇒ Object 


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# File 'lib/cast_off/compile/ir/operand.rb', line 439

def get_constant_chain
  ret = []
  ret << "  cast_off_tmp = #{@flag ? 'rb_cObject' : 'Qnil'};"
  @chain.each do |id|
    ret << "  cast_off_tmp = cast_off_get_constant(cast_off_tmp, #{@translator.allocate_id(id)});"
  end
  ret << "  #{@name} = cast_off_tmp;"
  ret.join("\n")
end

#hash ⇒ Object 


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# File 'lib/cast_off/compile/ir/operand.rb', line 478

def hash
  @path.to_s.hash
end

#prefetch? ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'lib/cast_off/compile/ir/operand.rb', line 453

def prefetch?
  @prefetch_constant_p
end

#source ⇒ Object 


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# File 'lib/cast_off/compile/ir/operand.rb', line 465

def source
  @path
end

#to_name ⇒ Object 


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# File 'lib/cast_off/compile/ir/operand.rb', line 461

def to_name
  @name
end