Class: Prism::PinnedExpressionNode

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

Overview

Represents the use of the ‘^` operator for pinning an expression in a pattern matching expression.

foo in ^(bar)
       ^^^^^^

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source, node_id, location, flags, expression, operator_loc, lparen_loc, rparen_loc) ⇒ PinnedExpressionNode

Initialize a new PinnedExpressionNode node.



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# File 'lib/prism/node.rb', line 15444

def initialize(source, node_id, location, flags, expression, operator_loc, lparen_loc, rparen_loc)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
  @expression = expression
  @operator_loc = operator_loc
  @lparen_loc = lparen_loc
  @rparen_loc = rparen_loc
end

Instance Attribute Details

#expression ⇒ Object (readonly)

The expression used in the pinned expression

foo in ^(bar)
         ^^^



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# File 'lib/prism/node.rb', line 15499

def expression
  @expression
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 15575

def self.type
  :pinned_expression_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 15581

def ===(other)
  other.is_a?(PinnedExpressionNode) &&
    (expression === other.expression) &&
    (operator_loc.nil? == other.operator_loc.nil?) &&
    (lparen_loc.nil? == other.lparen_loc.nil?) &&
    (rparen_loc.nil? == other.rparen_loc.nil?)
end

#accept(visitor) ⇒ Object

def accept: (Visitor visitor) -> void



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# File 'lib/prism/node.rb', line 15456

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

#child_nodes ⇒ Object Also known as: deconstruct

def child_nodes: () -> Array



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# File 'lib/prism/node.rb', line 15461

def child_nodes
  [expression]
end

#comment_targets ⇒ Object

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



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# File 'lib/prism/node.rb', line 15478

def comment_targets
  [expression, operator_loc, lparen_loc, rparen_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 15473

def compact_child_nodes
  [expression]
end

#copy(node_id: self.node_id, location: self.location, flags: self.flags, expression: self.expression, operator_loc: self.operator_loc, lparen_loc: self.lparen_loc, rparen_loc: self.rparen_loc) ⇒ Object

def copy: (?node_id: Integer, ?location: Location, ?flags: Integer, ?expression: Prism::node, ?operator_loc: Location, ?lparen_loc: Location, ?rparen_loc: Location) -> PinnedExpressionNode



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# File 'lib/prism/node.rb', line 15483

def copy(node_id: self.node_id, location: self.location, flags: self.flags, expression: self.expression, operator_loc: self.operator_loc, lparen_loc: self.lparen_loc, rparen_loc: self.rparen_loc)
  PinnedExpressionNode.new(source, node_id, location, flags, expression, operator_loc, lparen_loc, rparen_loc)
end

#deconstruct_keys(keys) ⇒ Object

def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, expression: Prism::node, operator_loc: Location, lparen_loc: Location, rparen_loc: Location }



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# File 'lib/prism/node.rb', line 15491

def deconstruct_keys(keys)
  { node_id: node_id, location: location, expression: expression, operator_loc: operator_loc, lparen_loc: lparen_loc, rparen_loc: rparen_loc }
end

#each_child_node {|expression| ... } ⇒ Object

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

Yields:



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# File 'lib/prism/node.rb', line 15466

def each_child_node
  return to_enum(:each_child_node) unless block_given?

  yield expression
end

#inspect ⇒ Object

def inspect -> String



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# File 'lib/prism/node.rb', line 15565

def inspect
  InspectVisitor.compose(self)
end

#lparen ⇒ Object

def lparen: () -> String



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# File 'lib/prism/node.rb', line 15555

def lparen
  lparen_loc.slice
end

#lparen_loc ⇒ Object

The location of the opening parenthesis.

foo in ^(bar)
        ^



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# File 'lib/prism/node.rb', line 15521

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

#operator ⇒ Object

def operator: () -> String



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# File 'lib/prism/node.rb', line 15550

def operator
  operator_loc.slice
end

#operator_loc ⇒ Object

The location of the ‘^` operator

foo in ^(bar)
       ^



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# File 'lib/prism/node.rb', line 15505

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

#rparen ⇒ Object

def rparen: () -> String



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# File 'lib/prism/node.rb', line 15560

def rparen
  rparen_loc.slice
end

#rparen_loc ⇒ Object

The location of the closing parenthesis.

foo in ^(bar)
            ^



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# File 'lib/prism/node.rb', line 15537

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

#save_lparen_loc(repository) ⇒ Object

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



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# File 'lib/prism/node.rb', line 15529

def save_lparen_loc(repository)
  repository.enter(node_id, :lparen_loc)
end

#save_operator_loc(repository) ⇒ Object

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



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# File 'lib/prism/node.rb', line 15513

def save_operator_loc(repository)
  repository.enter(node_id, :operator_loc)
end

#save_rparen_loc(repository) ⇒ Object

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



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# File 'lib/prism/node.rb', line 15545

def save_rparen_loc(repository)
  repository.enter(node_id, :rparen_loc)
end

#type ⇒ Object

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



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# File 'lib/prism/node.rb', line 15570

def type
  :pinned_expression_node
end