class Prism::MatchLastLineNode - Documentation for Ruby 4.0
Description: class Prism::MatchLastLineNode: Represents a regular expression literal used in the predicate of a conditional to implicitly match against the last line read by an IO object.
Keywords: ruby,class,Prism::MatchLastLineNode

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# class Prism::MatchLastLineNode

Represents a regular expression literal used in the predicate of a conditional to implicitly match against the last line read by an `IO` object.

    if /foo/i then end
       ^^^^^^

### Attributes

unescaped [R]

attr_reader unescaped: `String`

### Public Class Methods

new (source, node_id, location, flags, opening_loc, content_loc, closing_loc, unescaped)
Source

    # File lib/prism/node.rb, line 13218
    def initialize(source, node_id, location, flags, opening_loc, content_loc, closing_loc, unescaped)
      @source = source
      @node_id = node_id
      @location = location
      @flags = flags
      @opening_loc = opening_loc
      @content_loc = content_loc
      @closing_loc = closing_loc
      @unescaped = unescaped
    end

Initialize a new `MatchLastLineNode` node.

type ()
Source

    # File lib/prism/node.rb, line 13391
    def self.type
      :match_last_line_node
    end

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

### Public Instance Methods

=== (other)
Source

    # File lib/prism/node.rb, line 13397
    def ===(other)
      other.is_a?(MatchLastLineNode) &&
        (flags === other.flags) &&
        (opening_loc.nil? == other.opening_loc.nil?) &&
        (content_loc.nil? == other.content_loc.nil?) &&
        (closing_loc.nil? == other.closing_loc.nil?) &&
        (unescaped === other.unescaped)
    end

Implements case-equality for the node. This is effectively == but without comparing the value of locations. Locations are checked only for presence.

accept (visitor)
Source

    # File lib/prism/node.rb, line 13230
    def accept(visitor)
      visitor.visit_match_last_line_node(self)
    end

def accept: (`Visitor` visitor) -> void

ascii_8bit? ()
Source

    # File lib/prism/node.rb, line 13294
    def ascii_8bit?
      flags.anybits?(RegularExpressionFlags::ASCII_8BIT)
    end

def ascii_8bit?: () -> bool

child_nodes ()
Source

    # File lib/prism/node.rb, line 13235
    def child_nodes
      []
    end

def `child_nodes`: () -> Array

Also aliased as: deconstruct
closing ()
Source

    # File lib/prism/node.rb, line 13376
    def closing
      closing_loc.slice
    end

def closing: () -> `String`

closing_loc ()
Source

    # File lib/prism/node.rb, line 13350
    def closing_loc
      location = @closing_loc
      return location if location.is_a?(Location)
      @closing_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
    end

attr_reader `closing_loc`: `Location`

comment_targets ()
Source

    # File lib/prism/node.rb, line 13251
    def comment_targets
      [opening_loc, content_loc, closing_loc] #: Array[Prism::node | Location]
    end

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

compact_child_nodes ()
Source

    # File lib/prism/node.rb, line 13246
    def compact_child_nodes
      []
    end

def `compact_child_nodes`: () -> Array

content ()
Source

    # File lib/prism/node.rb, line 13371
    def content
      content_loc.slice
    end

def content: () -> `String`

content_loc ()
Source

    # File lib/prism/node.rb, line 13337
    def content_loc
      location = @content_loc
      return location if location.is_a?(Location)
      @content_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
    end

attr_reader `content_loc`: `Location`

copy (node_id: self.node_id, location: self.location, flags: self.flags, opening_loc: self.opening_loc, content_loc: self.content_loc, closing_loc: self.closing_loc, unescaped: self.unescaped)
Source

    # File lib/prism/node.rb, line 13256
    def copy(node_id: self.node_id, location: self.location, flags: self.flags, opening_loc: self.opening_loc, content_loc: self.content_loc, closing_loc: self.closing_loc, unescaped: self.unescaped)
      MatchLastLineNode.new(source, node_id, location, flags, opening_loc, content_loc, closing_loc, unescaped)
    end

def copy: (?node_id: `Integer`, ?location: `Location`, ?flags: `Integer`, ?opening_loc: `Location`, ?content_loc: `Location`, ?closing_loc: `Location`, ?unescaped: `String`) -> `MatchLastLineNode`

deconstruct ()

def deconstruct: () -> Array

Alias for: child_nodes
deconstruct_keys (keys)
Source

    # File lib/prism/node.rb, line 13264
    def deconstruct_keys(keys)
      { node_id: node_id, location: location, opening_loc: opening_loc, content_loc: content_loc, closing_loc: closing_loc, unescaped: unescaped }
    end

def `deconstruct_keys`: (Array keys) -> { node_id: `Integer`, location: `Location`, `opening_loc`: `Location`, `content_loc`: `Location`, `closing_loc`: `Location`, unescaped: `String` }

each_child_node ()
Source

    # File lib/prism/node.rb, line 13240
    def each_child_node
      return to_enum(:each_child_node) unless block_given?

    end

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

euc_jp? ()
Source

    # File lib/prism/node.rb, line 13289
    def euc_jp?
      flags.anybits?(RegularExpressionFlags::EUC_JP)
    end

def euc_jp?: () -> bool

extended? ()
Source

    # File lib/prism/node.rb, line 13274
    def extended?
      flags.anybits?(RegularExpressionFlags::EXTENDED)
    end

def extended?: () -> bool

forced_binary_encoding? ()
Source

    # File lib/prism/node.rb, line 13314
    def forced_binary_encoding?
      flags.anybits?(RegularExpressionFlags::FORCED_BINARY_ENCODING)
    end

def forced_binary_encoding?: () -> bool

forced_us_ascii_encoding? ()
Source

    # File lib/prism/node.rb, line 13319
    def forced_us_ascii_encoding?
      flags.anybits?(RegularExpressionFlags::FORCED_US_ASCII_ENCODING)
    end

def forced_us_ascii_encoding?: () -> bool

forced_utf8_encoding? ()
Source

    # File lib/prism/node.rb, line 13309
    def forced_utf8_encoding?
      flags.anybits?(RegularExpressionFlags::FORCED_UTF8_ENCODING)
    end

def forced_utf8_encoding?: () -> bool

ignore_case? ()
Source

    # File lib/prism/node.rb, line 13269
    def ignore_case?
      flags.anybits?(RegularExpressionFlags::IGNORE_CASE)
    end

def ignore_case?: () -> bool

inspect ()
Source

    # File lib/prism/node.rb, line 13381
    def inspect
      InspectVisitor.compose(self)
    end

def inspect -> `String`

multi_line? ()
Source

    # File lib/prism/node.rb, line 13279
    def multi_line?
      flags.anybits?(RegularExpressionFlags::MULTI_LINE)
    end

def multi_line?: () -> bool

once? ()
Source

    # File lib/prism/node.rb, line 13284
    def once?
      flags.anybits?(RegularExpressionFlags::ONCE)
    end

def once?: () -> bool

opening ()
Source

    # File lib/prism/node.rb, line 13366
    def opening
      opening_loc.slice
    end

def opening: () -> `String`

opening_loc ()
Source

    # File lib/prism/node.rb, line 13324
    def opening_loc
      location = @opening_loc
      return location if location.is_a?(Location)
      @opening_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
    end

attr_reader `opening_loc`: `Location`

save_closing_loc (repository)
Source

    # File lib/prism/node.rb, line 13358
    def save_closing_loc(repository)
      repository.enter(node_id, :closing_loc)
    end

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

save_content_loc (repository)
Source

    # File lib/prism/node.rb, line 13345
    def save_content_loc(repository)
      repository.enter(node_id, :content_loc)
    end

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

save_opening_loc (repository)
Source

    # File lib/prism/node.rb, line 13332
    def save_opening_loc(repository)
      repository.enter(node_id, :opening_loc)
    end

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

type ()
Source

    # File lib/prism/node.rb, line 13386
    def type
      :match_last_line_node
    end

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

utf_8? ()
Source

    # File lib/prism/node.rb, line 13304
    def utf_8?
      flags.anybits?(RegularExpressionFlags::UTF_8)
    end

def utf_8?: () -> bool

windows_31j? ()
Source

    # File lib/prism/node.rb, line 13299
    def windows_31j?
      flags.anybits?(RegularExpressionFlags::WINDOWS_31J)
    end

def windows_31j?: () -> bool