Class: Loxxy::FrontEnd::Literal

Inherits:
Rley::Lexical::Token
  • Object
show all
Defined in:
lib/loxxy/front_end/literal.rb

Overview

The superclass for all tokens that have a data value.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(aValue, aLexeme, aTerminal, aPosition) ⇒ Literal

Constructor.

Parameters:

  • aValue (Datatype::BuiltinDatatype) —

    the Lox data value

  • aLexeme (String) —

    the lexeme (= piece of text from input)

  • aTerminal (Rley::Syntax::Terminal, String) —

    The terminal symbol corresponding to the lexeme.

  • aPosition (Rley::Lexical::Position) —

    The position of lexeme in input text.



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# File 'lib/loxxy/front_end/literal.rb', line 19

def initialize(aValue, aLexeme, aTerminal, aPosition)
  super(aLexeme, aTerminal, aPosition)
  @value = aValue
end

Instance Attribute Details

#value ⇒ Datatype (readonly)

Returns The value expressed in one of the Lox datatype.

Returns:

  • (Datatype) —

    The value expressed in one of the Lox datatype.



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# File 'lib/loxxy/front_end/literal.rb', line 10

def value
  @value
end