Class: Prism::InNode

Inherits:
PrismNode
  • Object
show all
Defined in:
lib/prism/node.rb,
ext/prism/api_node.c

Overview

Represents the use of the ‘in` keyword in a case statement.

case a; in b then c end
        ^^^^^^^^^^^

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source, node_id, location, flags, pattern, statements, in_loc, then_loc) ⇒ InNode

Initialize a new InNode node.



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# File 'lib/prism/node.rb', line 8887

def initialize(source, node_id, location, flags, pattern, statements, in_loc, then_loc)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
  @pattern = pattern
  @statements = statements
  @in_loc = in_loc
  @then_loc = then_loc
end

Instance Attribute Details

#pattern ⇒ Object (readonly)

attr_reader pattern: Prism::node



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# File 'lib/prism/node.rb', line 8935

def pattern
  @pattern
end

#statements ⇒ Object (readonly)

attr_reader statements: StatementsNode?



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# File 'lib/prism/node.rb', line 8938

def statements
  @statements
end

Class Method Details

.type ⇒ Object

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



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# File 'lib/prism/node.rb', line 8993

def self.type
  :in_node
end

Instance Method Details

#===(other) ⇒ Object

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



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# File 'lib/prism/node.rb', line 8999

def ===(other)
  other.is_a?(InNode) &&
    (pattern === other.pattern) &&
    (statements === other.statements) &&
    (in_loc.nil? == other.in_loc.nil?) &&
    (then_loc.nil? == other.then_loc.nil?)
end

#accept(visitor) ⇒ Object

def accept: (Visitor visitor) -> void



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# File 'lib/prism/node.rb', line 8899

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

#child_nodes ⇒ Object Also known as: deconstruct

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



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# File 'lib/prism/node.rb', line 8904

def child_nodes
  [pattern, statements]
end

#comment_targets ⇒ Object

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



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# File 'lib/prism/node.rb', line 8917

def comment_targets
  [pattern, *statements, in_loc, *then_loc] #: Array[Prism::node | Location]
end

#compact_child_nodes ⇒ Object

def compact_child_nodes: () -> Array



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# File 'lib/prism/node.rb', line 8909

def compact_child_nodes
  compact = [] #: Array[Prism::node]
  compact << pattern
  compact << statements if statements
  compact
end

#copy(node_id: self.node_id, location: self.location, flags: self.flags, pattern: self.pattern, statements: self.statements, in_loc: self.in_loc, then_loc: self.then_loc) ⇒ Object

def copy: (?node_id: Integer, ?location: Location, ?flags: Integer, ?pattern: Prism::node, ?statements: StatementsNode?, ?in_loc: Location, ?then_loc: Location?) -> InNode



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# File 'lib/prism/node.rb', line 8922

def copy(node_id: self.node_id, location: self.location, flags: self.flags, pattern: self.pattern, statements: self.statements, in_loc: self.in_loc, then_loc: self.then_loc)
  InNode.new(source, node_id, location, flags, pattern, statements, in_loc, then_loc)
end

#deconstruct_keys(keys) ⇒ Object

def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, pattern: Prism::node, statements: StatementsNode?, in_loc: Location, then_loc: Location? }



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# File 'lib/prism/node.rb', line 8930

def deconstruct_keys(keys)
  { node_id: node_id, location: location, pattern: pattern, statements: statements, in_loc: in_loc, then_loc: then_loc }
end

#in ⇒ Object

def in: () -> String



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# File 'lib/prism/node.rb', line 8973

def in
  in_loc.slice
end

#in_loc ⇒ Object

attr_reader in_loc: Location



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# File 'lib/prism/node.rb', line 8941

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

#inspect ⇒ Object

def inspect -> String



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# File 'lib/prism/node.rb', line 8983

def inspect
  InspectVisitor.compose(self)
end

#save_in_loc(repository) ⇒ Object

Save the in_loc location using the given saved source so that it can be retrieved later.



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# File 'lib/prism/node.rb', line 8949

def save_in_loc(repository)
  repository.enter(node_id, :in_loc)
end

#save_then_loc(repository) ⇒ Object

Save the then_loc location using the given saved source so that it can be retrieved later.



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# File 'lib/prism/node.rb', line 8968

def save_then_loc(repository)
  repository.enter(node_id, :then_loc) unless @then_loc.nil?
end

#then ⇒ Object

def then: () -> String?



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# File 'lib/prism/node.rb', line 8978

def then
  then_loc&.slice
end

#then_loc ⇒ Object

attr_reader then_loc: Location?



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# File 'lib/prism/node.rb', line 8954

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

#type ⇒ Object

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



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# File 'lib/prism/node.rb', line 8988

def type
  :in_node
end