class Crispr::Mutations::Rescue

  • Removing individual rescue clauses from the rescue expression.
    - Replacing the rescued body with ‘nil` or a string.
    - Removing the entire rescue and returning only the main body.
    Possible mutations include:
    Generates mutations for `rescue` nodes.

def mutations_for(node) 

def mutations_for(node)
  mutations = []
  # Remove the rescue entirely (just return the body before rescue)
  mutations << node.children[0] if node.children[0]
  # Replace the rescued body with nil
  mutations << s(:block, s(:rescue, node.children.first, s(:resbody, nil, nil, s(:nil)), nil), nil, nil)
  # Replace the rescued body with a different expression
  mutations << s(:rescue, s(:str, "error"), *node.children[1..])
  # Remove individual rescue clauses if present
  if node.children[1..] && !node.children[1..].empty?
    node.children[1..].each_with_index do |_rescue_clause, i|
      new_children = node.children.dup
      new_children.delete_at(i + 1) # +1 to skip the body
      mutations << s(:rescue, *new_children)
    end
  end
  mutations
end