Represents a hash pattern in pattern matching.
foo => { a: 1, b: 2 }
^^^^^^^^^^^^^^
foo => { a: 1, b: 2, **c }
^^^^^^^^^^^^^^^^^^^
attr_reader constant: ConstantReadNode | ConstantPathNode | nil
attr_reader rest: AssocSplatNode | NoKeywordsParameterNode | nil
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8301
def initialize(source, node_id, location, flags, constant, elements, rest, opening_loc, closing_loc)
@source = source
@node_id = node_id
@location = location
@flags = flags
@constant = constant
@elements = elements
@rest = rest
@opening_loc = opening_loc
@closing_loc = closing_loc
end
Initialize a new HashPatternNode node.
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8418
def self.type
:hash_pattern_node
end
Return a symbol representation of this node type. See ‘Node::type`.
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8424
def ===(other)
other.is_a?(HashPatternNode) &&
(constant === other.constant) &&
(elements.length == other.elements.length) &&
elements.zip(other.elements).all? { |left, right| left === right } &&
(rest === other.rest) &&
(opening_loc.nil? == other.opening_loc.nil?) &&
(closing_loc.nil? == other.closing_loc.nil?)
end
Implements case-equality for the node. This is effectively == but without comparing the value of locations. Locations are checked only for presence.
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8314
def accept(visitor)
visitor.visit_hash_pattern_node(self)
end
def accept: (Visitor visitor) -> void
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8319
def child_nodes
[constant, *elements, rest]
end
def child_nodes: () -> Array[nil | Node]
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8403
def closing
closing_loc&.slice
end
def closing: () -> String?
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8379
def closing_loc
location = @closing_loc
case location
when nil
nil
when Location
location
else
@closing_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end
end
attr_reader closing_loc: Location?
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8333
def comment_targets
[*constant, *elements, *rest, *opening_loc, *closing_loc] #: Array[Prism::node | Location]
end
def comment_targets: () -> Array[Node | Location]
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8324
def compact_child_nodes
compact = [] #: Array[Prism::node]
compact << constant if constant
compact.concat(elements)
compact << rest if rest
compact
end
def compact_child_nodes: () -> Array
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8338
def copy(node_id: self.node_id, location: self.location, flags: self.flags, constant: self.constant, elements: self.elements, rest: self.rest, opening_loc: self.opening_loc, closing_loc: self.closing_loc)
HashPatternNode.new(source, node_id, location, flags, constant, elements, rest, opening_loc, closing_loc)
end
def copy: (?node_id: Integer, ?location: Location, ?flags: Integer, ?constant: ConstantReadNode | ConstantPathNode | nil, ?elements: Array, ?rest: AssocSplatNode | NoKeywordsParameterNode | nil, ?opening_loc: Location?, ?closing_loc: Location?) -> HashPatternNode
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8346
def deconstruct_keys(keys)
{ node_id: node_id, location: location, constant: constant, elements: elements, rest: rest, opening_loc: opening_loc, closing_loc: closing_loc }
end
def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, constant: ConstantReadNode | ConstantPathNode | nil, elements: Array, rest: AssocSplatNode | NoKeywordsParameterNode | nil, opening_loc: Location?, closing_loc: Location? }
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8408
def inspect
InspectVisitor.compose(self)
end
def inspect -> String
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8398
def opening
opening_loc&.slice
end
def opening: () -> String?
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8360
def opening_loc
location = @opening_loc
case location
when nil
nil
when Location
location
else
@opening_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end
end
attr_reader opening_loc: Location?
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8393
def save_closing_loc(repository)
repository.enter(node_id, :closing_loc) unless @closing_loc.nil?
end
Save the closing_loc location using the given saved source so that it can be retrieved later.
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8374
def save_opening_loc(repository)
repository.enter(node_id, :opening_loc) unless @opening_loc.nil?
end
Save the opening_loc location using the given saved source so that it can be retrieved later.
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 8413
def type
:hash_pattern_node
end
Return a symbol representation of this node type. See ‘Node#type`.