Class: Prism::LambdaNode

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

Overview

Represents using a lambda literal (not the lambda method call).

->(value) { value * 2 }
^^^^^^^^^^^^^^^^^^^^^^^

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source, node_id, location, flags, locals, operator_loc, opening_loc, closing_loc, parameters, body) ⇒ LambdaNode

Initialize a new LambdaNode node.



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# File 'lib/prism/node.rb', line 12360

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

Instance Attribute Details

#body ⇒ Object (readonly)

attr_reader body: StatementsNode | BeginNode | nil



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# File 'lib/prism/node.rb', line 12463

def body
  @body
end

#locals ⇒ Object (readonly)

attr_reader locals: Array



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# File 'lib/prism/node.rb', line 12418

def locals
  @locals
end

#parameters ⇒ Object (readonly)

attr_reader parameters: BlockParametersNode | NumberedParametersNode | ItParametersNode | nil



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# File 'lib/prism/node.rb', line 12460

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 12491

def self.type
  :lambda_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 12497

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

#accept(visitor) ⇒ Object

def accept: (Visitor visitor) -> void



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# File 'lib/prism/node.rb', line 12374

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

#child_nodes ⇒ Object Also known as: deconstruct

def child_nodes: () -> Array



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# File 'lib/prism/node.rb', line 12379

def child_nodes
  [parameters, body]
end

#closing ⇒ Object

def closing: () -> String



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# File 'lib/prism/node.rb', line 12476

def closing
  closing_loc.slice
end

#closing_loc ⇒ Object

attr_reader closing_loc: Location



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# File 'lib/prism/node.rb', line 12447

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 ⇒ Object

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



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# File 'lib/prism/node.rb', line 12400

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

#compact_child_nodes ⇒ Object

def compact_child_nodes: () -> Array



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# File 'lib/prism/node.rb', line 12392

def compact_child_nodes
  compact = [] #: Array[Prism::node]
  compact << parameters if parameters
  compact << body if body
  compact
end

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

def copy: (?node_id: Integer, ?location: Location, ?flags: Integer, ?locals: Array, ?operator_loc: Location, ?opening_loc: Location, ?closing_loc: Location, ?parameters: BlockParametersNode | NumberedParametersNode | ItParametersNode | nil, ?body: StatementsNode | BeginNode | nil) -> LambdaNode



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# File 'lib/prism/node.rb', line 12405

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

#deconstruct_keys(keys) ⇒ Object

def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, locals: Array, operator_loc: Location, opening_loc: Location, closing_loc: Location, parameters: BlockParametersNode | NumberedParametersNode | ItParametersNode | nil, body: StatementsNode | BeginNode | nil }



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# File 'lib/prism/node.rb', line 12413

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

#each_child_node {|parameters| ... } ⇒ Object

def each_child_node: () { (Prism::node) -> void } -> void | () -> Enumerator

Yields:



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# File 'lib/prism/node.rb', line 12384

def each_child_node
  return to_enum(:each_child_node) unless block_given?

  yield parameters if parameters
  yield body if body
end

#inspect ⇒ Object

def inspect -> String



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# File 'lib/prism/node.rb', line 12481

def inspect
  InspectVisitor.compose(self)
end

#opening ⇒ Object

def opening: () -> String



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# File 'lib/prism/node.rb', line 12471

def opening
  opening_loc.slice
end

#opening_loc ⇒ Object

attr_reader opening_loc: Location



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# File 'lib/prism/node.rb', line 12434

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

#operator ⇒ Object

def operator: () -> String



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# File 'lib/prism/node.rb', line 12466

def operator
  operator_loc.slice
end

#operator_loc ⇒ Object

attr_reader operator_loc: Location



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# File 'lib/prism/node.rb', line 12421

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

#save_closing_loc(repository) ⇒ Object

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



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# File 'lib/prism/node.rb', line 12455

def save_closing_loc(repository)
  repository.enter(node_id, :closing_loc)
end

#save_opening_loc(repository) ⇒ Object

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



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# File 'lib/prism/node.rb', line 12442

def save_opening_loc(repository)
  repository.enter(node_id, :opening_loc)
end

#save_operator_loc(repository) ⇒ Object

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



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# File 'lib/prism/node.rb', line 12429

def save_operator_loc(repository)
  repository.enter(node_id, :operator_loc)
end

#type ⇒ Object

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



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# File 'lib/prism/node.rb', line 12486

def type
  :lambda_node
end