class Prism::AliasMethodNode - Documentation for Ruby 4.1
Description: class Prism::AliasMethodNode: Represents the use of the `alias` keyword to alias a method.
Keywords: ruby,class,Prism::AliasMethodNode

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# class Prism::AliasMethodNode

Represents the use of the `alias` keyword to alias a method.

    alias foo bar
    ^^^^^^^^^^^^^

### Public Class Methods

new (source, node_id, location, flags, new_name, old_name, keyword_loc)
Source

    # File lib/prism/node.rb, line 634
    def initialize(source, node_id, location, flags, new_name, old_name, keyword_loc)
      @source = source
      @node_id = node_id
      @location = location
      @flags = flags
      @new_name = new_name
      @old_name = old_name
      @keyword_loc = keyword_loc
    end

Initialize a new `AliasMethodNode` node.

### Public Instance Methods

new_name → SymbolNode | InterpolatedSymbolNode
Source

    # File lib/prism/node.rb, line 747
    def new_name
      @new_name
    end

Represents the new name of the method that will be aliased.

    alias foo bar
          ^^^

    alias :foo :bar
          ^^^^

    alias :"#{foo}" :"#{bar}"
          ^^^^^^^^^

old_name → SymbolNode | InterpolatedSymbolNode
Source

    # File lib/prism/node.rb, line 766
    def old_name
      @old_name
    end

Represents the old name of the method that will be aliased.

    alias foo bar
              ^^^

    alias :foo :bar
               ^^^^

    alias :"#{foo}" :"#{bar}"
                    ^^^^^^^^^

## Locations

### Public Instance Methods

keyword_loc → Location
Source

    # File lib/prism/node.rb, line 780
    def keyword_loc
      location = @keyword_loc
      return location if location.is_a?(Location)
      @keyword_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
    end

Represents the `Location` of the `alias` keyword.

    alias foo bar
    ^^^^^

## 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 721
    def self.type
      :alias_method_node
    end

See `Node.type`.

### Public Instance Methods

accept (visitor)
Source

    # File lib/prism/node.rb, line 658
    def accept(visitor)
      visitor.visit_alias_method_node(self)
    end

See `Node.accept`.

child_nodes ()
Source

    # File lib/prism/node.rb, line 665
    def child_nodes
      [new_name, old_name]
    end

See `Node.child_nodes`.

Also aliased as: deconstruct
comment_targets ()
Source

    # File lib/prism/node.rb, line 690
    def comment_targets
      [new_name, old_name, keyword_loc] #: Array[Prism::node | Location]
    end

See `Node.comment_targets`.

compact_child_nodes ()
Source

    # File lib/prism/node.rb, line 683
    def compact_child_nodes
      [new_name, old_name]
    end

See `Node.compact_child_nodes`.

copy(**fields) → AliasMethodNode
Source

    # File lib/prism/node.rb, line 700
    def copy(node_id: self.node_id, location: self.location, flags: self.flags, new_name: self.new_name, old_name: self.old_name, keyword_loc: self.keyword_loc)
      AliasMethodNode.new(source, node_id, location, flags, new_name, old_name, keyword_loc)
    end

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

deconstruct ()
Alias for: child_nodes
each_child_node () { |new_name| ... }
Source

    # File lib/prism/node.rb, line 673
    def each_child_node(&blk)
      return to_enum(:each_child_node) unless block_given?

      yield new_name
      yield old_name
    end

See `Node.each_child_node`.

type ()
Source

    # File lib/prism/node.rb, line 714
    def type
      :alias_method_node
    end

See `Node#type`.

## Repository

Methods related to `Relocation`.

### Public Instance Methods

save_keyword_loc (repository)
Source

    # File lib/prism/node.rb, line 791
    def save_keyword_loc(repository)
      repository.enter(node_id, :keyword_loc)
    end

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

## Slicing

### Public Instance Methods

keyword → String
Source

    # File lib/prism/node.rb, line 803
    def keyword
      keyword_loc.slice
    end

Slice the location of `keyword_loc` from the source.