class Prism::InterpolatedMatchLastLineNode

Represents a regular expression literal that contains interpolation that is being used in the predicate of a conditional to implicitly match against the last line read by an IO object.

if /foo #{bar} baz/ then end
   ^^^^^^^^^^^^^^^^

Public Class Methods

new (source, node_id, location, flags, opening_loc, parts, closing_loc)

Source

# File lib/prism/node.rb, line 14306
def initialize(source, node_id, location, flags, opening_loc, parts, closing_loc)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
  @opening_loc = opening_loc
  @parts = parts
  @closing_loc = closing_loc
end

Initialize a new InterpolatedMatchLastLineNode node.

Public Instance Methods

parts → Array[StringNode | EmbeddedStatementsNode | EmbeddedVariableNode]

Source

# File lib/prism/node.rb, line 14472
def parts
  @parts
end

Returns the parts attribute.

Flags

Public Instance Methods

ascii_8bit? ()

Source

# File lib/prism/node.rb, line 14416
def ascii_8bit?
  flags.anybits?(RegularExpressionFlags::ASCII_8BIT)
end

n - forces the ASCII-8BIT encoding

euc_jp? ()

Source

# File lib/prism/node.rb, line 14410
def euc_jp?
  flags.anybits?(RegularExpressionFlags::EUC_JP)
end

e - forces the EUC-JP encoding

extended? ()

Source

# File lib/prism/node.rb, line 14392
def extended?
  flags.anybits?(RegularExpressionFlags::EXTENDED)
end

x - ignores whitespace and allows comments in regular expressions

forced_binary_encoding? ()

Source

# File lib/prism/node.rb, line 14440
def forced_binary_encoding?
  flags.anybits?(RegularExpressionFlags::FORCED_BINARY_ENCODING)
end

internal bytes forced the encoding to binary

forced_us_ascii_encoding? ()

Source

# File lib/prism/node.rb, line 14446
def forced_us_ascii_encoding?
  flags.anybits?(RegularExpressionFlags::FORCED_US_ASCII_ENCODING)
end

internal bytes forced the encoding to US-ASCII

forced_utf8_encoding? ()

Source

# File lib/prism/node.rb, line 14434
def forced_utf8_encoding?
  flags.anybits?(RegularExpressionFlags::FORCED_UTF8_ENCODING)
end

internal bytes forced the encoding to UTF-8

ignore_case? ()

Source

# File lib/prism/node.rb, line 14386
def ignore_case?
  flags.anybits?(RegularExpressionFlags::IGNORE_CASE)
end

i - ignores the case of characters when matching

multi_line? ()

Source

# File lib/prism/node.rb, line 14398
def multi_line?
  flags.anybits?(RegularExpressionFlags::MULTI_LINE)
end

m - allows $ to match the end of lines within strings

once? ()

Source

# File lib/prism/node.rb, line 14404
def once?
  flags.anybits?(RegularExpressionFlags::ONCE)
end

o - only interpolates values into the regular expression once

utf_8? ()

Source

# File lib/prism/node.rb, line 14428
def utf_8?
  flags.anybits?(RegularExpressionFlags::UTF_8)
end

u - forces the UTF-8 encoding

windows_31j? ()

Source

# File lib/prism/node.rb, line 14422
def windows_31j?
  flags.anybits?(RegularExpressionFlags::WINDOWS_31J)
end

s - forces the Windows-31J encoding

Locations

Public Instance Methods

closing_loc → Location

Source

# File lib/prism/node.rb, line 14481
def closing_loc
  location = @closing_loc
  return location if location.is_a?(Location)
  @closing_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end

Returns the Location represented by closing_loc.

opening_loc → Location

Source

# File lib/prism/node.rb, line 14455
def opening_loc
  location = @opening_loc
  return location if location.is_a?(Location)
  @opening_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end

Returns the Location represented by opening_loc.

Node Interface

Public Class Methods

type ()

Source

# File lib/prism/node.rb, line 14374
def self.type
  :interpolated_match_last_line_node
end

See Node.type.

Public Instance Methods

accept (visitor)

Source

# File lib/prism/node.rb, line 14328
def accept(visitor)
  visitor.visit_interpolated_match_last_line_node(self)
end

See Node.accept.

child_nodes ()

Source

# File lib/prism/node.rb, line 14333
def child_nodes
  [*parts]
end

See Node.child_nodes.

Also aliased as: deconstruct

comment_targets ()

Source

# File lib/prism/node.rb, line 14350
def comment_targets
  [opening_loc, *parts, closing_loc] #: Array[Prism::node | Location]
end

See Node.comment_targets.

compact_child_nodes ()

Source

# File lib/prism/node.rb, line 14345
def compact_child_nodes
  [*parts]
end

See Node.compact_child_nodes.

copy(**fields) → InterpolatedMatchLastLineNode

Source

# File lib/prism/node.rb, line 14358
def copy(node_id: self.node_id, location: self.location, flags: self.flags, opening_loc: self.opening_loc, parts: self.parts, closing_loc: self.closing_loc)
  InterpolatedMatchLastLineNode.new(source, node_id, location, flags, opening_loc, parts, closing_loc)
end

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

deconstruct ()

Alias for: child_nodes

each_child_node () { |node| ... }

Source

# File lib/prism/node.rb, line 14338
def each_child_node
  return to_enum(:each_child_node) unless block_given?

  parts.each { |node| yield node }
end

See Node.each_child_node.

type ()

Source

# File lib/prism/node.rb, line 14369
def type
  :interpolated_match_last_line_node
end

See Node#type.

Repository

Public Instance Methods

save_closing_loc (repository)

Source

# File lib/prism/node.rb, line 14490
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_opening_loc (repository)

Source

# File lib/prism/node.rb, line 14464
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.

Slicing

Public Instance Methods

closing → String

Source

# File lib/prism/node.rb, line 14508
def closing
  closing_loc.slice
end

Slice the location of closing_loc from the source.

opening → String

Source

# File lib/prism/node.rb, line 14500
def opening
  opening_loc.slice
end

Slice the location of opening_loc from the source.