class Prism::CallOrWriteNode

Represents the use of the ||= operator on a call.

foo.bar ||= value
^^^^^^^^^^^^^^^^^

Public Class Methods

new (source, node_id, location, flags, receiver, call_operator_loc, message_loc, read_name, write_name, operator_loc, value)

Source

# File lib/prism/node.rb, line 4040
def initialize(source, node_id, location, flags, receiver, call_operator_loc, message_loc, read_name, write_name, operator_loc, value)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
  @receiver = receiver
  @call_operator_loc = call_operator_loc
  @message_loc = message_loc
  @read_name = read_name
  @write_name = write_name
  @operator_loc = operator_loc
  @value = value
end

Initialize a new CallOrWriteNode node.

Public Instance Methods

read_name → Symbol

Source

# File lib/prism/node.rb, line 4220
def read_name
  @read_name
end

Represents the name of the method being called.

foo.bar ||= value # read_name `:bar`
    ^^^

receiver → Node | nil

Source

# File lib/prism/node.rb, line 4157
def receiver
  @receiver
end

The object that the method is being called on. This can be either nil or any non-void expressions.

foo.bar ||= value
^^^

value → Node

Source

# File lib/prism/node.rb, line 4263
def value
  @value
end

Represents the value being assigned.

foo.bar ||= value
            ^^^^^

write_name → Symbol

Source

# File lib/prism/node.rb, line 4231
def write_name
  @write_name
end

Represents the name of the method being written to.

foo.bar ||= value # write_name `:bar=`
    ^^^

Flags

Public Instance Methods

attribute_write? ()

Source

# File lib/prism/node.rb, line 4140
def attribute_write?
  flags.anybits?(CallNodeFlags::ATTRIBUTE_WRITE)
end

a call that is an attribute write, so the value being written should be returned

ignore_visibility? ()

Source

# File lib/prism/node.rb, line 4146
def ignore_visibility?
  flags.anybits?(CallNodeFlags::IGNORE_VISIBILITY)
end

a call that ignores method visibility

safe_navigation? ()

Source

# File lib/prism/node.rb, line 4128
def safe_navigation?
  flags.anybits?(CallNodeFlags::SAFE_NAVIGATION)
end

&. operator

variable_call? ()

Source

# File lib/prism/node.rb, line 4134
def variable_call?
  flags.anybits?(CallNodeFlags::VARIABLE_CALL)
end

a call that could have been a local variable

Locations

Public Instance Methods

call_operator_loc → Location | nil

Source

# File lib/prism/node.rb, line 4169
def call_operator_loc
  location = @call_operator_loc
  case location
  when nil
    nil
  when Location
    location
  else
    @call_operator_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
  end
end

Represents the Location of the call operator.

foo.bar ||= value
   ^

message_loc → Location | nil

Source

# File lib/prism/node.rb, line 4195
def message_loc
  location = @message_loc
  case location
  when nil
    nil
  when Location
    location
  else
    @message_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
  end
end

Represents the Location of the message.

foo.bar ||= value
    ^^^

operator_loc → Location

Source

# File lib/prism/node.rb, line 4243
def operator_loc
  location = @operator_loc
  return location if location.is_a?(Location)
  @operator_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end

Represents the Location of the operator.

foo.bar ||= value
        ^^^

Node Interface

These methods are present on all subclasses of Node. Read the node interface docs for more information.

Public Class Methods

type ()

Source

# File lib/prism/node.rb, line 4116
def self.type
  :call_or_write_node
end

See Node.type.

Public Instance Methods

accept (visitor)

Source

# File lib/prism/node.rb, line 4066
def accept(visitor)
  visitor.visit_call_or_write_node(self)
end

See Node.accept.

child_nodes ()

Source

# File lib/prism/node.rb, line 4071
def child_nodes
  [receiver, value]
end

See Node.child_nodes.

Also aliased as: deconstruct

comment_targets ()

Source

# File lib/prism/node.rb, line 4092
def comment_targets
  [*receiver, *call_operator_loc, *message_loc, operator_loc, value] #: Array[Prism::node | Location]
end

See Node.comment_targets.

compact_child_nodes ()

Source

# File lib/prism/node.rb, line 4084
def compact_child_nodes
  compact = [] #: Array[Prism::node]
  compact << receiver if receiver
  compact << value
  compact
end

See Node.compact_child_nodes.

copy(**fields) → CallOrWriteNode

Source

# File lib/prism/node.rb, line 4100
def copy(node_id: self.node_id, location: self.location, flags: self.flags, receiver: self.receiver, call_operator_loc: self.call_operator_loc, message_loc: self.message_loc, read_name: self.read_name, write_name: self.write_name, operator_loc: self.operator_loc, value: self.value)
  CallOrWriteNode.new(source, node_id, location, flags, receiver, call_operator_loc, message_loc, read_name, write_name, operator_loc, value)
end

Creates a copy of self with the given fields, using self as the template.

deconstruct ()

Alias for: child_nodes

each_child_node () { |receiver| ... }

Source

# File lib/prism/node.rb, line 4076
def each_child_node
  return to_enum(:each_child_node) unless block_given?

  yield receiver if receiver
  yield value
end

See Node.each_child_node.

type ()

Source

# File lib/prism/node.rb, line 4111
def type
  :call_or_write_node
end

See Node#type.

Repository

Methods related to Relocation.

Public Instance Methods

save_call_operator_loc (repository)

Source

# File lib/prism/node.rb, line 4184
def save_call_operator_loc(repository)
  repository.enter(node_id, :call_operator_loc) unless @call_operator_loc.nil?
end

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

save_message_loc (repository)

Source

# File lib/prism/node.rb, line 4210
def save_message_loc(repository)
  repository.enter(node_id, :message_loc) unless @message_loc.nil?
end

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

save_operator_loc (repository)

Source

# File lib/prism/node.rb, line 4252
def save_operator_loc(repository)
  repository.enter(node_id, :operator_loc)
end

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

Slicing

Public Instance Methods

call_operator → String | nil

Source

# File lib/prism/node.rb, line 4273
def call_operator
  call_operator_loc&.slice
end

Slice the location of call_operator_loc from the source.

message → String | nil

Source

# File lib/prism/node.rb, line 4281
def message
  message_loc&.slice
end

Slice the location of message_loc from the source.

operator → String

Source

# File lib/prism/node.rb, line 4289
def operator
  operator_loc.slice
end

Slice the location of operator_loc from the source.