Class: Prism::EmbeddedVariableNode

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

Overview

Represents an interpolated variable.

"foo #@bar"
     ^^^^^

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source, node_id, location, flags, operator_loc, variable) ⇒ EmbeddedVariableNode

Initialize a new EmbeddedVariableNode node.



6969
6970
6971
6972
6973
6974
6975
6976
 
# File 'lib/prism/node.rb', line 6969

def initialize(source, node_id, location, flags, operator_loc, variable)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
  @operator_loc = operator_loc
  @variable = variable
end

Instance Attribute Details

#variable ⇒ Object (readonly)

attr_reader variable: InstanceVariableReadNode | ClassVariableReadNode | GlobalVariableReadNode | BackReferenceReadNode | NumberedReferenceReadNode



7032
7033
7034
 
# File 'lib/prism/node.rb', line 7032

def variable
  @variable
end

Class Method Details

.type ⇒ Object

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



7050
7051
7052
 
# File 'lib/prism/node.rb', line 7050

def self.type
  :embedded_variable_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.



7056
7057
7058
7059
7060
 
# File 'lib/prism/node.rb', line 7056

def ===(other)
  other.is_a?(EmbeddedVariableNode) &&
    (operator_loc.nil? == other.operator_loc.nil?) &&
    (variable === other.variable)
end

#accept(visitor) ⇒ Object

def accept: (Visitor visitor) -> void



6979
6980
6981
 
# File 'lib/prism/node.rb', line 6979

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

#child_nodes ⇒ Object Also known as: deconstruct

def child_nodes: () -> Array



6984
6985
6986
 
# File 'lib/prism/node.rb', line 6984

def child_nodes
  [variable]
end

#comment_targets ⇒ Object

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



7001
7002
7003
 
# File 'lib/prism/node.rb', line 7001

def comment_targets
  [operator_loc, variable] #: Array[Prism::node | Location]
end

#compact_child_nodes ⇒ Object

def compact_child_nodes: () -> Array



6996
6997
6998
 
# File 'lib/prism/node.rb', line 6996

def compact_child_nodes
  [variable]
end

#copy(node_id: self.node_id, location: self.location, flags: self.flags, operator_loc: self.operator_loc, variable: self.variable) ⇒ Object

def copy: (?node_id: Integer, ?location: Location, ?flags: Integer, ?operator_loc: Location, ?variable: InstanceVariableReadNode | ClassVariableReadNode | GlobalVariableReadNode | BackReferenceReadNode | NumberedReferenceReadNode) -> EmbeddedVariableNode



7006
7007
7008
 
# File 'lib/prism/node.rb', line 7006

def copy(node_id: self.node_id, location: self.location, flags: self.flags, operator_loc: self.operator_loc, variable: self.variable)
  EmbeddedVariableNode.new(source, node_id, location, flags, operator_loc, variable)
end

#deconstruct_keys(keys) ⇒ Object

def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, operator_loc: Location, variable: InstanceVariableReadNode | ClassVariableReadNode | GlobalVariableReadNode | BackReferenceReadNode | NumberedReferenceReadNode }



7014
7015
7016
 
# File 'lib/prism/node.rb', line 7014

def deconstruct_keys(keys)
  { node_id: node_id, location: location, operator_loc: operator_loc, variable: variable }
end

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

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

Yields:



6989
6990
6991
6992
6993
 
# File 'lib/prism/node.rb', line 6989

def each_child_node
  return to_enum(:each_child_node) unless block_given?

  yield variable
end

#inspect ⇒ Object

def inspect -> String



7040
7041
7042
 
# File 'lib/prism/node.rb', line 7040

def inspect
  InspectVisitor.compose(self)
end

#operator ⇒ Object

def operator: () -> String



7035
7036
7037
 
# File 'lib/prism/node.rb', line 7035

def operator
  operator_loc.slice
end

#operator_loc ⇒ Object

attr_reader operator_loc: Location



7019
7020
7021
7022
7023
 
# File 'lib/prism/node.rb', line 7019

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

#save_operator_loc(repository) ⇒ Object

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



7027
7028
7029
 
# File 'lib/prism/node.rb', line 7027

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`.



7045
7046
7047
 
# File 'lib/prism/node.rb', line 7045

def type
  :embedded_variable_node
end