Represents the use of the ‘when` keyword within a case statement.
case true when true ^^^^^^^^^ end
attr_reader conditions: Array
attr_reader statements: StatementsNode?
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 17851
def initialize(source, node_id, location, flags, keyword_loc, conditions, then_keyword_loc, statements)
@source = source
@node_id = node_id
@location = location
@flags = flags
@keyword_loc = keyword_loc
@conditions = conditions
@then_keyword_loc = then_keyword_loc
@statements = statements
end
Initialize a new WhenNode node.
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 17957
def self.type
:when_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 17963
def ===(other)
other.is_a?(WhenNode) &&
(keyword_loc.nil? == other.keyword_loc.nil?) &&
(conditions.length == other.conditions.length) &&
conditions.zip(other.conditions).all? { |left, right| left === right } &&
(then_keyword_loc.nil? == other.then_keyword_loc.nil?) &&
(statements === other.statements)
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 17863
def accept(visitor)
visitor.visit_when_node(self)
end
def accept: (Visitor visitor) -> void
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 17868
def child_nodes
[*conditions, statements]
end
def child_nodes: () -> Array[nil | Node]
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 17881
def comment_targets
[keyword_loc, *conditions, *then_keyword_loc, *statements] #: Array[Prism::node | Location]
end
def comment_targets: () -> Array[Node | Location]
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 17873
def compact_child_nodes
compact = [] #: Array[Prism::node]
compact.concat(conditions)
compact << statements if statements
compact
end
def compact_child_nodes: () -> Array
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 17886
def copy(node_id: self.node_id, location: self.location, flags: self.flags, keyword_loc: self.keyword_loc, conditions: self.conditions, then_keyword_loc: self.then_keyword_loc, statements: self.statements)
WhenNode.new(source, node_id, location, flags, keyword_loc, conditions, then_keyword_loc, statements)
end
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 17894
def deconstruct_keys(keys)
{ node_id: node_id, location: location, keyword_loc: keyword_loc, conditions: conditions, then_keyword_loc: then_keyword_loc, statements: statements }
end
def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, keyword_loc: Location, conditions: Array, then_keyword_loc: Location?, statements: StatementsNode? }
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 17947
def inspect
InspectVisitor.compose(self)
end
def inspect -> String
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 17937
def keyword
keyword_loc.slice
end
def keyword: () -> String
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 17899
def keyword_loc
location = @keyword_loc
return location if location.is_a?(Location)
@keyword_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end
attr_reader keyword_loc: Location
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 17907
def save_keyword_loc(repository)
repository.enter(node_id, :keyword_loc)
end
Save the keyword_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 17929
def save_then_keyword_loc(repository)
repository.enter(node_id, :then_keyword_loc) unless @then_keyword_loc.nil?
end
Save the then_keyword_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 17942
def then_keyword
then_keyword_loc&.slice
end
def then_keyword: () -> String?
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 17915
def then_keyword_loc
location = @then_keyword_loc
case location
when nil
nil
when Location
location
else
@then_keyword_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end
end
attr_reader then_keyword_loc: Location?
# File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 17952
def type
:when_node
end
Return a symbol representation of this node type. See ‘Node#type`.