Class: Graphlyte::Lexing::Token

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/graphlyte/lexing/token.rb

Overview

A lexical token

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type, lexeme, location, value: nil) ⇒ Token

Returns a new instance of Token.



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# File 'lib/graphlyte/lexing/token.rb', line 15

def initialize(type, lexeme, location, value: nil)
  @type = type
  @lexeme = lexeme
  @value = value
  @location = location
end

Instance Attribute Details

#lexeme ⇒ Object (readonly)

Returns the value of attribute lexeme.



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# File 'lib/graphlyte/lexing/token.rb', line 11

def lexeme
  @lexeme
end

#location ⇒ Object (readonly)

Returns the value of attribute location.



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# File 'lib/graphlyte/lexing/token.rb', line 11

def location
  @location
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/graphlyte/lexing/token.rb', line 11

def type
  @type
end

Instance Method Details

#punctuator?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/graphlyte/lexing/token.rb', line 26

def punctuator?(value)
  @type == :PUNCTUATOR && @lexeme == value
end

#value ⇒ Object 



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# File 'lib/graphlyte/lexing/token.rb', line 22

def value
  @value || @lexeme
end