Module: RuboCop::Cop::CheckAssignment

Included in:
Lint::EndAlignment, Style::ElseAlignment, Style::IndentAssignment, Style::IndentationWidth, Style::MultilineAssignmentLayout
Defined in:
lib/rubocop/cop/mixin/check_assignment.rb

Overview

Common functionality for checking assignment nodes.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extract_rhs(node) ⇒ Object 



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# File 'lib/rubocop/cop/mixin/check_assignment.rb', line 25

def extract_rhs(node)
  if node.casgn_type?
    _scope, _lhs, rhs = *node
  elsif node.op_asgn_type?
    _lhs, _op, rhs = *node
  elsif Util::ASGN_NODES.include?(node.type)
    _lhs, rhs = *node
  elsif node.send_type?
    rhs = node.children.last
  end

  rhs
end

Instance Method Details

#on_send(node) ⇒ Object 



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# File 'lib/rubocop/cop/mixin/check_assignment.rb', line 13

def on_send(node)
  # we only want to indent relative to the receiver
  # when the method called looks like a setter
  return unless node.asgn_method_call?

  # This will match if, case, begin, blocks, etc.
  rhs = extract_rhs(node)
  check_assignment(node, rhs) if rhs.is_a?(AST::Node)
end