Class: Loxxy::BackEnd::Variable

Inherits:

Object

• Object
• Loxxy::BackEnd::Variable

Includes:

Entry

Defined in:

lib/loxxy/back_end/variable.rb

Overview

Representation of a Lox variable. It is a named slot that can be associated with a value at the time.

Instance Attribute Summary

• #value ⇒ Datatype::BuiltinDatatype readonly

  The value assigned to the variable.

Attributes included from Entry

#name

Instance Method Summary

• #assign(aValue) ⇒ Object
• #initialize(aName, aValue = Datatype::Nil.instance) ⇒ Variable constructor

  Create a variable with given name and initial value.

Methods included from Entry

#init_name

Constructor Details

#initialize(aName, aValue = Datatype::Nil.instance) ⇒ Variable

Create a variable with given name and initial value

Parameters:

• aName (String) —

  The name of the variable

• aValue (Datatype::BuiltinDatatype) (defaults to: Datatype::Nil.instance) —

  the initial assigned value

# File 'lib/loxxy/back_end/variable.rb', line 19

def initialize(aName, aValue = Datatype::Nil.instance)
  init_name(aName)
  assign(aValue)
end

Instance Attribute Details

#value ⇒ Datatype::BuiltinDatatype (readonly)

Returns the value assigned to the variable.

Returns:

• (Datatype::BuiltinDatatype) —

  the value assigned to the variable

# File 'lib/loxxy/back_end/variable.rb', line 14

def value
  @value
end

Instance Method Details

#assign(aValue) ⇒ Object

Parameters:

• aValue (Datatype::BuiltinDatatype) —

  the assigned value

# File 'lib/loxxy/back_end/variable.rb', line 25

def assign(aValue)
  @value = aValue
end