Class: Cyrel::AST::LiteralNode

Inherits:
Data
  • Object
show all
Defined in:
lib/cyrel/ast/literal_node.rb

Overview

Immutable AST node for literal values using Ruby’s Data class Because sometimes you just want to say what you mean, immutably

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#value ⇒ Object (readonly)

Returns the value of attribute value

Returns:

  • (Object) —

    the current value of value



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# File 'lib/cyrel/ast/literal_node.rb', line 7

def value
  @value
end

Instance Method Details

#accept(visitor) ⇒ Object 



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# File 'lib/cyrel/ast/literal_node.rb', line 8

def accept(visitor)
  visitor.visit_literal_node(self)
end

#deconstruct ⇒ Object

Pattern matching support



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# File 'lib/cyrel/ast/literal_node.rb', line 17

def deconstruct
  [value]
end

#deconstruct_keys(_keys) ⇒ Object 



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# File 'lib/cyrel/ast/literal_node.rb', line 21

def deconstruct_keys(_keys)
  { value: value }
end

#inferred_type ⇒ Object

Type inference



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# File 'lib/cyrel/ast/literal_node.rb', line 26

def inferred_type
  case value
  when String then :string
  when Symbol then :parameter
  when Integer then :integer
  when Float then :float
  when TrueClass, FalseClass then :boolean
  when NilClass then :null
  else :unknown
  end
end

#to_ast ⇒ Object 



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# File 'lib/cyrel/ast/literal_node.rb', line 12

def to_ast
  self
end