class Prism::FindPatternNode
Represents a find pattern in pattern matching.
foo in *bar, baz, *qux
^^^^^^^^^^^^^^^
foo in [*bar, baz, *qux]
^^^^^^^^^^^^^^^^^
foo in Foo(*bar, baz, *qux)
^^^^^^^^^^^^^^^^^^^^
foo => *bar, baz, *qux
^^^^^^^^^^^^^^^
Public Class Methods
Source
# File lib/prism/node.rb, line 9224 def initialize(source, node_id, location, flags, constant, left, requireds, right, opening_loc, closing_loc) @source = source @node_id = node_id @location = location @flags = flags @constant = constant @left = left @requireds = requireds @right = right @opening_loc = opening_loc @closing_loc = closing_loc end
Initialize a new FindPatternNode node.
Public Instance Methods
Source
# File lib/prism/node.rb, line 9320 def constant @constant end
Represents the optional constant preceding the pattern
foo in Foo(*bar, baz, *qux)
^^^
Source
# File lib/prism/node.rb, line 9334 def left @left end
Represents the first wildcard node in the pattern.
foo in *bar, baz, *qux
^^^^
foo in Foo(*bar, baz, *qux)
^^^^
Source
# File lib/prism/node.rb, line 9348 def requireds @requireds end
Represents the nodes in between the wildcards.
foo in *bar, baz, *qux
^^^
foo in Foo(*bar, baz, 1, *qux)
^^^^^^
Source
# File lib/prism/node.rb, line 9362 def right @right end
Represents the second wildcard node in the pattern.
foo in *bar, baz, *qux
^^^^
foo in Foo(*bar, baz, *qux)
^^^^
Locations
Public Instance Methods
Source
# File lib/prism/node.rb, line 9406 def closing_loc location = @closing_loc case location when nil nil when Location location else @closing_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF) end end
The Location of the closing brace.
foo in [*bar, baz, *qux]
^
foo in Foo(*bar, baz, *qux)
^
Source
# File lib/prism/node.rb, line 9377 def opening_loc location = @opening_loc case location when nil nil when Location location else @opening_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF) end end
The Location of the opening brace.
foo in [*bar, baz, *qux]
^
foo in Foo(*bar, baz, *qux)
^
Node Interface
Public Class Methods
Public Instance Methods
Source
# File lib/prism/node.rb, line 9249 def accept(visitor) visitor.visit_find_pattern_node(self) end
See Node.accept.
Source
# File lib/prism/node.rb, line 9254 def child_nodes [constant, left, *requireds, right] end
See Node.child_nodes.
Source
# File lib/prism/node.rb, line 9279 def comment_targets [*constant, left, *requireds, right, *opening_loc, *closing_loc] #: Array[Prism::node | Location] end
See Node.comment_targets.
Source
# File lib/prism/node.rb, line 9269 def compact_child_nodes compact = [] #: Array[Prism::node] compact << constant if constant compact << left compact.concat(requireds) compact << right compact end
Source
# File lib/prism/node.rb, line 9287 def copy(node_id: self.node_id, location: self.location, flags: self.flags, constant: self.constant, left: self.left, requireds: self.requireds, right: self.right, opening_loc: self.opening_loc, closing_loc: self.closing_loc) FindPatternNode.new(source, node_id, location, flags, constant, left, requireds, right, opening_loc, closing_loc) end
Creates a copy of self with the given fields, using self as the template.
Source
# File lib/prism/node.rb, line 9259 def each_child_node return to_enum(:each_child_node) unless block_given? yield constant if constant yield left requireds.each { |node| yield node } yield right end
See Node.each_child_node.
Repository
Public Instance Methods
Source
# File lib/prism/node.rb, line 9421 def save_closing_loc(repository) repository.enter(node_id, :closing_loc) unless @closing_loc.nil? end
Save the closing_loc location using the given saved source so that it can be retrieved later.
Source
# File lib/prism/node.rb, line 9392 def save_opening_loc(repository) repository.enter(node_id, :opening_loc) unless @opening_loc.nil? end
Save the opening_loc location using the given saved source so that it can be retrieved later.
Slicing
Public Instance Methods
Source
# File lib/prism/node.rb, line 9438 def closing closing_loc&.slice end
Slice the location of closing_loc from the source.
Source
# File lib/prism/node.rb, line 9430 def opening opening_loc&.slice end
Slice the location of opening_loc from the source.