Class: Prism::BlockParametersNode

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

Overview

Represents a block’s parameters declaration.

-> (a, b = 1; local) { }
   ^^^^^^^^^^^^^^^^^

foo do |a, b = 1; local|
       ^^^^^^^^^^^^^^^^^
end

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source, node_id, location, flags, parameters, locals, opening_loc, closing_loc) ⇒ BlockParametersNode

Initialize a new BlockParametersNode node.



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# File 'lib/prism/node.rb', line 1844

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

Instance Attribute Details

#locals ⇒ Object (readonly)

attr_reader locals: Array



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# File 'lib/prism/node.rb', line 1895

def locals
  @locals
end

#parameters ⇒ Object (readonly)

attr_reader parameters: ParametersNode?



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# File 'lib/prism/node.rb', line 1892

def parameters
  @parameters
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 1944

def self.type
  :block_parameters_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 1950

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

#accept(visitor) ⇒ Object

def accept: (Visitor visitor) -> void



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# File 'lib/prism/node.rb', line 1856

def accept(visitor)
  visitor.visit_block_parameters_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 1861

def child_nodes
  [parameters, *locals]
end

#closing ⇒ Object

def closing: () -> String?



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# File 'lib/prism/node.rb', line 1929

def closing
  closing_loc&.slice
end

#closing_loc ⇒ Object

attr_reader closing_loc: Location?



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# File 'lib/prism/node.rb', line 1911

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

#comment_targets ⇒ Object

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



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# File 'lib/prism/node.rb', line 1874

def comment_targets
  [*parameters, *locals, *opening_loc, *closing_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 1866

def compact_child_nodes
  compact = [] #: Array[Prism::node]
  compact << parameters if parameters
  compact.concat(locals)
  compact
end

#copy(node_id: self.node_id, location: self.location, flags: self.flags, parameters: self.parameters, locals: self.locals, opening_loc: self.opening_loc, closing_loc: self.closing_loc) ⇒ Object

def copy: (?node_id: Integer, ?location: Location, ?flags: Integer, ?parameters: ParametersNode?, ?locals: Array, ?opening_loc: Location?, ?closing_loc: Location?) -> BlockParametersNode



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# File 'lib/prism/node.rb', line 1879

def copy(node_id: self.node_id, location: self.location, flags: self.flags, parameters: self.parameters, locals: self.locals, opening_loc: self.opening_loc, closing_loc: self.closing_loc)
  BlockParametersNode.new(source, node_id, location, flags, parameters, locals, opening_loc, closing_loc)
end

#deconstruct_keys(keys) ⇒ Object

def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, parameters: ParametersNode?, locals: Array, opening_loc: Location?, closing_loc: Location? }



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# File 'lib/prism/node.rb', line 1887

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

#inspect ⇒ Object

def inspect -> String



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# File 'lib/prism/node.rb', line 1934

def inspect
  InspectVisitor.compose(self)
end

#opening ⇒ Object

def opening: () -> String?



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# File 'lib/prism/node.rb', line 1924

def opening
  opening_loc&.slice
end

#opening_loc ⇒ Object

attr_reader opening_loc: Location?



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# File 'lib/prism/node.rb', line 1898

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

#type ⇒ Object

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



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# File 'lib/prism/node.rb', line 1939

def type
  :block_parameters_node
end