Class: Prism::RescueModifierNode

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

Overview

Represents an expression modified with a rescue.

foo rescue nil
^^^^^^^^^^^^^^

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source, node_id, location, flags, expression, keyword_loc, rescue_expression) ⇒ RescueModifierNode

Initialize a new RescueModifierNode node.



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# File 'lib/prism/node.rb', line 16765

def initialize(source, node_id, location, flags, expression, keyword_loc, rescue_expression)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
  @expression = expression
  @keyword_loc = keyword_loc
  @rescue_expression = rescue_expression
end

Instance Attribute Details

#expression ⇒ Object (readonly)

attr_reader expression: Prism::node



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# File 'lib/prism/node.rb', line 16817

def expression
  @expression
end

#rescue_expression ⇒ Object (readonly)

attr_reader rescue_expression: Prism::node



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# File 'lib/prism/node.rb', line 16833

def rescue_expression
  @rescue_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 16851

def self.type
  :rescue_modifier_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 16857

def ===(other)
  other.is_a?(RescueModifierNode) &&
    (expression === other.expression) &&
    (keyword_loc.nil? == other.keyword_loc.nil?) &&
    (rescue_expression === other.rescue_expression)
end

#accept(visitor) ⇒ Object

def accept: (Visitor visitor) -> void



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# File 'lib/prism/node.rb', line 16776

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

#child_nodes ⇒ Object Also known as: deconstruct

def child_nodes: () -> Array



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# File 'lib/prism/node.rb', line 16781

def child_nodes
  [expression, rescue_expression]
end

#comment_targets ⇒ Object

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



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# File 'lib/prism/node.rb', line 16799

def comment_targets
  [expression, keyword_loc, rescue_expression] #: Array[Prism::node | Location]
end

#compact_child_nodes ⇒ Object

def compact_child_nodes: () -> Array



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# File 'lib/prism/node.rb', line 16794

def compact_child_nodes
  [expression, rescue_expression]
end

#copy(node_id: self.node_id, location: self.location, flags: self.flags, expression: self.expression, keyword_loc: self.keyword_loc, rescue_expression: self.rescue_expression) ⇒ Object

def copy: (?node_id: Integer, ?location: Location, ?flags: Integer, ?expression: Prism::node, ?keyword_loc: Location, ?rescue_expression: Prism::node) -> RescueModifierNode



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# File 'lib/prism/node.rb', line 16804

def copy(node_id: self.node_id, location: self.location, flags: self.flags, expression: self.expression, keyword_loc: self.keyword_loc, rescue_expression: self.rescue_expression)
  RescueModifierNode.new(source, node_id, location, flags, expression, keyword_loc, rescue_expression)
end

#deconstruct_keys(keys) ⇒ Object

def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, expression: Prism::node, keyword_loc: Location, rescue_expression: Prism::node }



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# File 'lib/prism/node.rb', line 16812

def deconstruct_keys(keys)
  { node_id: node_id, location: location, expression: expression, keyword_loc: keyword_loc, rescue_expression: rescue_expression }
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 16786

def each_child_node
  return to_enum(:each_child_node) unless block_given?

  yield expression
  yield rescue_expression
end

#inspect ⇒ Object

def inspect -> String



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# File 'lib/prism/node.rb', line 16841

def inspect
  InspectVisitor.compose(self)
end

#keyword ⇒ Object

def keyword: () -> String



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# File 'lib/prism/node.rb', line 16836

def keyword
  keyword_loc.slice
end

#keyword_loc ⇒ Object

attr_reader keyword_loc: Location



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# File 'lib/prism/node.rb', line 16820

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

#newline_flag!(lines) ⇒ Object

:nodoc:



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# File 'lib/prism/parse_result/newlines.rb', line 116

def newline_flag!(lines) # :nodoc:
  expression.newline_flag!(lines)
end

#save_keyword_loc(repository) ⇒ Object

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



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# File 'lib/prism/node.rb', line 16828

def save_keyword_loc(repository)
  repository.enter(node_id, :keyword_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 16846

def type
  :rescue_modifier_node
end