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Class: Prism::AssocNode

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, PrismNode
Instance Chain:
self, PrismNode
Inherits: PrismNode
Defined in: lib/prism/node.rb,
ext/prism/api_node.c

Overview

Represents a hash key/value pair.

{ a => b }
  ^^^^^^

Class Method Summary

Instance Attribute Summary

  • #key readonly

    The key of the association.

  • #value readonly

    The value of the association, if present.

Instance Method Summary

Constructor Details

.new(source, node_id, location, flags, key, value, operator_loc) ⇒ AssocNode

Initialize a new AssocNode node.

[ GitHub ] 

  


# File 'lib/prism/node.rb', line 969



def initialize(source, node_id, location, flags, key, value, operator_loc)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
  @key = key
  @value = value
  @operator_loc = operator_loc
end


  







Class Method Details



  

    .type  
  



  

    
Return a symbol representation of this node type. See Node::type.

  



  [ GitHub ]


  

  


# File 'lib/prism/node.rb', line 1063



def self.type
  :assoc_node
end


  







Instance Attribute Details



  

    #key   (readonly)
  



  

    
The key of the association. This can be anynon-void expression.


{ a: b }
  ^

{ foo => bar }
  ^^^

{ def a; end => 1 }
  ^^^^^^^^^^

  



  [ GitHub ]


  

  


# File 'lib/prism/node.rb', line 1022



attr_reader :key


  








  

    #value   (readonly)
  



  

    
The value of the association, if present. This can be anynon-void expression.


{ foo => bar }
         ^^^

{ x: 1 }
     ^

  



  [ GitHub ]


  

  


# File 'lib/prism/node.rb', line 1030



attr_reader :value


  







Instance Method Details



  

    #===(other)  
  



  

    
Implements case-equality for the node. This is effectively == but without
comparing the value of locations. Locations are checked only for presence.

  



  [ GitHub ]


  

  


# File 'lib/prism/node.rb', line 1069



def ===(other)
  other.is_a?(AssocNode) &&
    (key === other.key) &&
    (value === other.value) &&
    (operator_loc.nil? == other.operator_loc.nil?)
end


  








  

    #accept(visitor)  
  



  

    
def accept: (Visitor visitor) -> void

  



  [ GitHub ]


  

  


# File 'lib/prism/node.rb', line 980



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


  








  

    #child_nodes  
    Also known as: #deconstruct
  



  

    
def child_nodes: () -> Array[nil | Node]

  



  [ GitHub ]


  

  


# File 'lib/prism/node.rb', line 985



def child_nodes
  [key, value]
end


  








  

    #comment_targets  
  



  

    
def comment_targets: () -> Array[Node | Location]

  



  [ GitHub ]


  

  


# File 'lib/prism/node.rb', line 995



def comment_targets
  [key, value, *operator_loc] #: Array[Prism::node | Location]
end


  








  

    #compact_child_nodes  
  



  

    
def compact_child_nodes: () -> Array

  



  [ GitHub ]


  

  


# File 'lib/prism/node.rb', line 990



def compact_child_nodes
  [key, value]
end


  








  

    #copy(node_id: self.node_id, location: self.location, flags: self.flags, key: self.key, value: self.value, operator_loc: self.operator_loc)  
  



  

    
def copy: (?node_id: Integer, ?location: Location, ?flags: Integer, ?key: Prism.node, ?value: Prism.node, ?operator_loc: Location?) -> AssocNode

  



  [ GitHub ]


  

  


# File 'lib/prism/node.rb', line 1000



def copy(node_id: self.node_id, location: self.location, flags: self.flags, key: self.key, value: self.value, operator_loc: self.operator_loc)
  AssocNode.new(source, node_id, location, flags, key, value, operator_loc)
end


  








  

    #deconstruct  
  



  

    
Alias for #child_nodes.

  



  [ GitHub ]


  

  


# File 'lib/prism/node.rb', line 1005



alias deconstruct child_nodes


  








  

    #deconstruct_keys(keys)  
  



  

    
def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, key: Prism.node, value: Prism.node, operator_loc: Location? }

  



  [ GitHub ]


  

  


# File 'lib/prism/node.rb', line 1008



def deconstruct_keys(keys)
  { node_id: node_id, location: location, key: key, value: value, operator_loc: operator_loc }
end


  








  

    #inspect  
  



  

    
def inspect -> String

  



  [ GitHub ]


  

  


# File 'lib/prism/node.rb', line 1053



def inspect
  InspectVisitor.compose(self)
end


  








  

    #operator  
  



  

    
def operator: () -> String?

  



  [ GitHub ]


  

  


# File 'lib/prism/node.rb', line 1048



def operator
  operator_loc&.slice
end


  








  

    #operator_loc  
  



  

    
The location of the => operator, if present.


{ foo => bar }
      ^^

  



  [ GitHub ]


  

  


# File 'lib/prism/node.rb', line 1035



def operator_loc
  location = @operator_loc
  case location
  when nil
    nil
  when Location
    location
  else
    @operator_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
  end
end


  








  

    #type  
  



  

    
Return a symbol representation of this node type. See Node#type.

  



  [ GitHub ]


  

  


# File 'lib/prism/node.rb', line 1058



def type
  :assoc_node
end