Method: GraphQL::Language::StaticVisitor.make_visit_methods

Defined in:
lib/graphql/language/static_visitor.rb

.make_visit_methods(ast_node_class) ⇒ Object

We don't use alias here because it breaks super



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# File 'lib/graphql/language/static_visitor.rb', line 96

def self.make_visit_methods(ast_node_class)
  node_method = ast_node_class.visit_method
  children_of_type = ast_node_class.children_of_type
  child_visit_method = :"#{node_method}_children"

  class_eval("    # The default implementation for visiting an AST node.\n    # It doesn't _do_ anything, but it continues to visiting the node's children.\n    # To customize this hook, override one of its make_visit_methods (or the base method?)\n    # in your subclasses.\n    #\n    # @param node [GraphQL::Language::Nodes::AbstractNode] the node being visited\n    # @param parent [GraphQL::Language::Nodes::AbstractNode, nil] the previously-visited node, or `nil` if this is the root node.\n    # @return [void]\n    def \#{node_method}(node, parent)\n      \#{\n        if method_defined?(child_visit_method)\n          \"\#{child_visit_method}(node)\"\n        elsif children_of_type\n          children_of_type.map do |child_accessor, child_class|\n            \"node.\#{child_accessor}.each do |child_node|\n              \#{child_class.visit_method}(child_node, node)\n            end\"\n          end.join(\"\\n\")\n        else\n          \"\"\n        end\n      }\n    end\n  RUBY\nend\n", __FILE__, __LINE__ + 1)