Contents

# encoding: utf-8
# frozen_string_literal: true

module Carbon
  module Compiler
    module Visitor
      class Preparation
        module Struct
          Preparation.on Node::Definition::Struct => :visit_struct
          def visit_struct(node)
            error_multiple_data(node) if @_data
            @_data = node
            names = {}
            node.attributes!([directives_pop]).map! { |c| accept(c, names) }
          end

          Preparation.on Node::Definition::Struct::Element =>
            :visit_struct_element
          def visit_struct_element(node, names)
            name = node.name.value
            error_struct_duplicate(node, name, names) if names.key?(name)
            names[name] = node
            type = accept(node.type)
            node.merge(type: type)
          end

        private

          def error_struct_duplicate(node, name, names)
            @file.emit("Struct/Definition/Duplicate", node.location, [name])
            @file.emit("Trace/Location", names[name].location)
          end
        end
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
carbon-compiler-0.2.0	lib/carbon/compiler/visitor/preparation/struct.rb