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Class: Prism::HashNode

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 literal.

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

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(source, node_id, location, flags, opening_loc, elements, closing_loc) ⇒ HashNode

Initialize a new HashNode node.

[ GitHub ]

  
# File 'lib/prism/node.rb', line 7059

def initialize(source, node_id, location, flags, opening_loc, elements, closing_loc)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
  @opening_loc = opening_loc
  @elements = elements
  @closing_loc = closing_loc
end

Class Method Details

.type

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

[ GitHub ]

  
# File 'lib/prism/node.rb', line 7151

def self.type
  :hash_node
end

Instance Attribute Details

#elements (readonly)

The elements of the hash. These can be either AssocNodes or AssocSplatNodes.

{ a: b }
  ^^^^

{ **foo }
  ^^^^^
[ GitHub ]

  
# File 'lib/prism/node.rb', line 7119

attr_reader :elements

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 7157

def ===(other)
  other.is_a?(HashNode) &&
    (opening_loc.nil? == other.opening_loc.nil?) &&
    (elements.length == other.elements.length) &&
    elements.zip(other.elements).all? { |left, right| left === right } &&
    (closing_loc.nil? == other.closing_loc.nil?)
end

#accept(visitor)

def accept: (Visitor visitor) -> void

[ GitHub ]

  
# File 'lib/prism/node.rb', line 7070

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

#child_nodes Also known as: #deconstruct

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

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# File 'lib/prism/node.rb', line 7075

def child_nodes
  [*elements]
end

#closing

def closing: () -> String

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# File 'lib/prism/node.rb', line 7136

def closing
  closing_loc.slice
end

#closing_loc

The location of the closing brace.

{ a => b }
         ^
[ GitHub ]

  
# File 'lib/prism/node.rb', line 7124

def closing_loc
  location = @closing_loc
  return location if location.is_a?(Location)
  @closing_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end

#comment_targets

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

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# File 'lib/prism/node.rb', line 7085

def comment_targets
  [opening_loc, *elements, closing_loc] #: Array[Prism::node | Location]
end

#compact_child_nodes

def compact_child_nodes: () -> Array

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# File 'lib/prism/node.rb', line 7080

def compact_child_nodes
  [*elements]
end

#copy(node_id: self.node_id, location: self.location, flags: self.flags, opening_loc: self.opening_loc, elements: self.elements, closing_loc: self.closing_loc)

def copy: (?node_id: Integer, ?location: Location, ?flags: Integer, ?opening_loc: Location, ?elements: Array[AssocNode | AssocSplatNode], ?closing_loc: Location) -> HashNode

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# File 'lib/prism/node.rb', line 7090

def copy(node_id: self.node_id, location: self.location, flags: self.flags, opening_loc: self.opening_loc, elements: self.elements, closing_loc: self.closing_loc)
  HashNode.new(source, node_id, location, flags, opening_loc, elements, closing_loc)
end

#deconstruct

Alias for #child_nodes.

[ GitHub ]

  
# File 'lib/prism/node.rb', line 7095

alias deconstruct child_nodes

#deconstruct_keys(keys)

def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, opening_loc: Location, elements: Array[AssocNode | AssocSplatNode], closing_loc: Location }

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# File 'lib/prism/node.rb', line 7098

def deconstruct_keys(keys)
  { node_id: node_id, location: location, opening_loc: opening_loc, elements: elements, closing_loc: closing_loc }
end

#inspect

def inspect -> String

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# File 'lib/prism/node.rb', line 7141

def inspect
  InspectVisitor.compose(self)
end

#opening

def opening: () -> String

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# File 'lib/prism/node.rb', line 7131

def opening
  opening_loc.slice
end

#opening_loc

The location of the opening brace.

{ a => b }
^
[ GitHub ]

  
# File 'lib/prism/node.rb', line 7106

def opening_loc
  location = @opening_loc
  return location if location.is_a?(Location)
  @opening_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end

#type

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

[ GitHub ]

  
# File 'lib/prism/node.rb', line 7146

def type
  :hash_node
end