Contents

# encoding: utf-8
# frozen_string_literal: true
# rubocop:disable Metrics/CyclomaticComplexity

require "carbon/compiler/parser/root/class"
require "carbon/compiler/parser/root/directive"
require "carbon/compiler/parser/root/enum"
require "carbon/compiler/parser/root/function"
require "carbon/compiler/parser/root/struct"
require "carbon/compiler/parser/root/trait"

module Carbon
  module Compiler
    class Parser
      # Parses root definitions, like functions and enums.
      module Root
        include Class
        include Directive
        include Enum
        include Function
        include Struct
        include Trait

      protected

        Parser.first(:root, [:":", :module, :struct, :class, :trait, :enum,
          :def])
        def parse_root
          children = []
          until peek? :EOF
            children <<
              case peek.type
              when :":"    then parse_directive
              when :module then parse_module
              when :struct then parse_struct
              when :class  then parse_class
              when :trait  then parse_trait
              when :enum   then parse_enum
              when :def    then parse_function
              else error first(:root)
              end
          end

          Node::Root.new(children)
        end

        def parse_module
          expect :module
          name = parse_module_name
          expect :"."

          Node::Definition::Module.new([name])
        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/parser/root.rb