Class: Prism::ForNode

Inherits:
PrismNode
  • Object
show all
Defined in:
lib/prism/node.rb,
ext/prism/api_node.c

Overview

Represents the use of the ‘for` keyword.

for i in a end
^^^^^^^^^^^^^^

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source, node_id, location, flags, index, collection, statements, for_keyword_loc, in_keyword_loc, do_keyword_loc, end_keyword_loc) ⇒ ForNode

Initialize a new ForNode node.



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# File 'lib/prism/node.rb', line 6275

def initialize(source, node_id, location, flags, index, collection, statements, for_keyword_loc, in_keyword_loc, do_keyword_loc, end_keyword_loc)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
  @index = index
  @collection = collection
  @statements = statements
  @for_keyword_loc = for_keyword_loc
  @in_keyword_loc = in_keyword_loc
  @do_keyword_loc = do_keyword_loc
  @end_keyword_loc = end_keyword_loc
end

Instance Attribute Details

#collection ⇒ Object (readonly)

The collection to iterate over.

for i in a end
         ^



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# File 'lib/prism/node.rb', line 6336

def collection
  @collection
end

#index ⇒ Object (readonly)

The index expression for ‘for` loops.

for i in a end
    ^



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# File 'lib/prism/node.rb', line 6330

def index
  @index
end

#statements ⇒ Object (readonly)

Represents the body of statements to execute for each iteration of the loop.

for i in a
  foo(i)
  ^^^^^^
end



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# File 'lib/prism/node.rb', line 6344

def statements
  @statements
end

Class Method Details

.type ⇒ Object

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



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# File 'lib/prism/node.rb', line 6423

def self.type
  :for_node
end

Instance Method Details

#===(other) ⇒ Object

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



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# File 'lib/prism/node.rb', line 6429

def ===(other)
  other.is_a?(ForNode) &&
    (index === other.index) &&
    (collection === other.collection) &&
    (statements === other.statements) &&
    (for_keyword_loc.nil? == other.for_keyword_loc.nil?) &&
    (in_keyword_loc.nil? == other.in_keyword_loc.nil?) &&
    (do_keyword_loc.nil? == other.do_keyword_loc.nil?) &&
    (end_keyword_loc.nil? == other.end_keyword_loc.nil?)
end

#accept(visitor) ⇒ Object

def accept: (Visitor visitor) -> void



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# File 'lib/prism/node.rb', line 6290

def accept(visitor)
  visitor.visit_for_node(self)
end

#child_nodes ⇒ Object Also known as: deconstruct

def child_nodes: () -> Array[nil | Node]



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# File 'lib/prism/node.rb', line 6295

def child_nodes
  [index, collection, statements]
end

#comment_targets ⇒ Object

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



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# File 'lib/prism/node.rb', line 6309

def comment_targets
  [index, collection, *statements, for_keyword_loc, in_keyword_loc, *do_keyword_loc, end_keyword_loc] #: Array[Prism::node | Location]
end

#compact_child_nodes ⇒ Object

def compact_child_nodes: () -> Array



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# File 'lib/prism/node.rb', line 6300

def compact_child_nodes
  compact = [] #: Array[Prism::node]
  compact << index
  compact << collection
  compact << statements if statements
  compact
end

#copy(node_id: self.node_id, location: self.location, flags: self.flags, index: self.index, collection: self.collection, statements: self.statements, for_keyword_loc: self.for_keyword_loc, in_keyword_loc: self.in_keyword_loc, do_keyword_loc: self.do_keyword_loc, end_keyword_loc: self.end_keyword_loc) ⇒ Object

def copy: (?node_id: Integer, ?location: Location, ?flags: Integer, ?index: LocalVariableTargetNode | InstanceVariableTargetNode | ClassVariableTargetNode | GlobalVariableTargetNode | ConstantTargetNode | ConstantPathTargetNode | CallTargetNode | IndexTargetNode | MultiTargetNode | BackReferenceReadNode | NumberedReferenceReadNode | MissingNode, ?collection: Prism::node, ?statements: StatementsNode?, ?for_keyword_loc: Location, ?in_keyword_loc: Location, ?do_keyword_loc: Location?, ?end_keyword_loc: Location) -> ForNode



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# File 'lib/prism/node.rb', line 6314

def copy(node_id: self.node_id, location: self.location, flags: self.flags, index: self.index, collection: self.collection, statements: self.statements, for_keyword_loc: self.for_keyword_loc, in_keyword_loc: self.in_keyword_loc, do_keyword_loc: self.do_keyword_loc, end_keyword_loc: self.end_keyword_loc)
  ForNode.new(source, node_id, location, flags, index, collection, statements, for_keyword_loc, in_keyword_loc, do_keyword_loc, end_keyword_loc)
end

#deconstruct_keys(keys) ⇒ Object

def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, index: LocalVariableTargetNode | InstanceVariableTargetNode | ClassVariableTargetNode | GlobalVariableTargetNode | ConstantTargetNode | ConstantPathTargetNode | CallTargetNode | IndexTargetNode | MultiTargetNode | BackReferenceReadNode | NumberedReferenceReadNode | MissingNode, collection: Prism::node, statements: StatementsNode?, for_keyword_loc: Location, in_keyword_loc: Location, do_keyword_loc: Location?, end_keyword_loc: Location }



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# File 'lib/prism/node.rb', line 6322

def deconstruct_keys(keys)
  { node_id: node_id, location: location, index: index, collection: collection, statements: statements, for_keyword_loc: for_keyword_loc, in_keyword_loc: in_keyword_loc, do_keyword_loc: do_keyword_loc, end_keyword_loc: end_keyword_loc }
end

#do_keyword ⇒ Object

def do_keyword: () -> String?



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# File 'lib/prism/node.rb', line 6403

def do_keyword
  do_keyword_loc&.slice
end

#do_keyword_loc ⇒ Object

The location of the ‘do` keyword, if present.

for i in a do end
           ^^



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# File 'lib/prism/node.rb', line 6370

def do_keyword_loc
  location = @do_keyword_loc
  case location
  when nil
    nil
  when Location
    location
  else
    @do_keyword_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
  end
end

#end_keyword ⇒ Object

def end_keyword: () -> String



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# File 'lib/prism/node.rb', line 6408

def end_keyword
  end_keyword_loc.slice
end

#end_keyword_loc ⇒ Object

The location of the ‘end` keyword.

for i in a end
           ^^^



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# File 'lib/prism/node.rb', line 6386

def end_keyword_loc
  location = @end_keyword_loc
  return location if location.is_a?(Location)
  @end_keyword_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end

#for_keyword ⇒ Object

def for_keyword: () -> String



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# File 'lib/prism/node.rb', line 6393

def for_keyword
  for_keyword_loc.slice
end

#for_keyword_loc ⇒ Object

The location of the ‘for` keyword.

for i in a end
^^^



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# File 'lib/prism/node.rb', line 6350

def for_keyword_loc
  location = @for_keyword_loc
  return location if location.is_a?(Location)
  @for_keyword_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end

#in_keyword ⇒ Object

def in_keyword: () -> String



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# File 'lib/prism/node.rb', line 6398

def in_keyword
  in_keyword_loc.slice
end

#in_keyword_loc ⇒ Object

The location of the ‘in` keyword.

for i in a end
      ^^



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# File 'lib/prism/node.rb', line 6360

def in_keyword_loc
  location = @in_keyword_loc
  return location if location.is_a?(Location)
  @in_keyword_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end

#inspect ⇒ Object

def inspect -> String



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# File 'lib/prism/node.rb', line 6413

def inspect
  InspectVisitor.compose(self)
end

#type ⇒ Object

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



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# File 'lib/prism/node.rb', line 6418

def type
  :for_node
end