Class: Collie::AST::Symbol

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

Overview

Symbol reference (terminal or nonterminal)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name:, kind:, alias_name: nil, arguments: nil, location: nil) ⇒ Symbol

Returns a new instance of Symbol.



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# File 'lib/collie/ast.rb', line 126

def initialize(name:, kind:, alias_name: nil, arguments: nil, location: nil)
  @name = name
  @kind = kind # :terminal, :nonterminal
  @alias_name = alias_name
  @arguments = arguments # For parameterized rule calls like list(expr)
  @location = location
end

Instance Attribute Details

#alias_name ⇒ Object

Returns the value of attribute alias_name.



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# File 'lib/collie/ast.rb', line 124

def alias_name
  @alias_name
end

#arguments ⇒ Object

Returns the value of attribute arguments.



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# File 'lib/collie/ast.rb', line 124

def arguments
  @arguments
end

#kind ⇒ Object

Returns the value of attribute kind.



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# File 'lib/collie/ast.rb', line 124

def kind
  @kind
end

#location ⇒ Object

Returns the value of attribute location.



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# File 'lib/collie/ast.rb', line 124

def location
  @location
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/collie/ast.rb', line 124

def name
  @name
end

Instance Method Details

#nonterminal? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/collie/ast.rb', line 138

def nonterminal?
  kind == :nonterminal
end

#terminal? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/collie/ast.rb', line 134

def terminal?
  kind == :terminal
end