module Solargraph::Parser::ParserGem::ClassMethods

# File lib/solargraph/parser/parser_gem/class_methods.rb, line 88
def chain *args
  NodeChainer.chain *args
end

# File lib/solargraph/parser/parser_gem/class_methods.rb, line 93
def chain_string *args
  NodeChainer.load_string *args
end

# File lib/solargraph/parser/parser_gem/class_methods.rb, line 104
def infer_literal_node_type node
  NodeMethods.infer_literal_node_type node
end

# File lib/solargraph/parser/parser_gem/class_methods.rb, line 77
def inner_node_references name, top
  # @type [Array<AST::Node>]
  result = []
  if top.is_a?(AST::Node) && top.to_s.include?(":#{name}")
    result.push top if top.children.any? { |c| c.to_s == name }
    top.children.each { |c| result.concat inner_node_references(name, c) }
  end
  result
end

# File lib/solargraph/parser/parser_gem/class_methods.rb, line 115
def is_ast_node? node
  node.is_a?(::Parser::AST::Node)
end

# File lib/solargraph/parser/parser_gem/class_methods.rb, line 40
def map source
  NodeProcessor.process(source.node, Region.new(source: source))
end

# File lib/solargraph/parser/parser_gem/class_methods.rb, line 121
def node_range node
  st = Position.new(node.loc.line, node.loc.column)
  en = Position.new(node.loc.last_line, node.loc.last_column)
  Range.new(st, en)
end

# File lib/solargraph/parser/parser_gem/class_methods.rb, line 22
def parse code, filename = nil, line = 0
  buffer = ::Parser::Source::Buffer.new(filename, line)
  buffer.source = code
  parser.parse(buffer)
rescue ::Parser::SyntaxError, ::Parser::UnknownEncodingInMagicComment => e
  raise Parser::SyntaxError, e.message
end

# File lib/solargraph/parser/parser_gem/class_methods.rb, line 12
def parse_with_comments code, filename = nil
  node = parse(code, filename)
  comments = CommentRipper.new(code, filename, 0).parse
  [node, comments]
end

# File lib/solargraph/parser/parser_gem/class_methods.rb, line 31
def parser
  @parser ||= Prism::Translation::Parser.new(FlawedBuilder.new).tap do |parser|
    parser.diagnostics.all_errors_are_fatal = true
    parser.diagnostics.ignore_warnings      = true
  end
end

# File lib/solargraph/parser/parser_gem/class_methods.rb, line 98
def process_node *args
  Solargraph::Parser::NodeProcessor.process *args
end

# File lib/solargraph/parser/parser_gem/class_methods.rb, line 47
def references source, name
  if name.end_with?("=")
    reg = /#{Regexp.escape name[0..-2]}\s*=/
    # @param code [String]
    # @param offset [Integer]
    # @return [Array(Integer, Integer), Array(nil, nil)]
    extract_offset = ->(code, offset) { reg.match(code, offset).offset(0) }
  else
    # @param code [String]
    # @param offset [Integer]
    # @return [Array(Integer, Integer), Array(nil, nil)]
    extract_offset = ->(code, offset) { [soff = code.index(name, offset), soff + name.length] }
  end
  inner_node_references(name, source.node).map do |n|
    rng = Range.from_node(n)
    offset = Position.to_offset(source.code, rng.start)
    soff, eoff = extract_offset[source.code, offset]
    Location.new(
      source.filename,
      Range.new(
        Position.from_offset(source.code, soff),
        Position.from_offset(source.code, eoff)
      )
    )
  end
end

# File lib/solargraph/parser/parser_gem/class_methods.rb, line 129
def string_ranges node
  return [] unless is_ast_node?(node)
  result = []
  result.push Range.from_node(node) if node.type == :str
  node.children.each do |child|
    result.concat string_ranges(child)
  end
  if node.type == :dstr && node.children.last.nil?
    last = node.children[-2]
    unless last.nil?
      rng = Range.from_node(last)
      pos = Position.new(rng.ending.line, rng.ending.column - 1)
      result.push Range.new(pos, pos)
    end
  end
  result
end

# File lib/solargraph/parser/parser_gem/class_methods.rb, line 109
def version
  parser.version
end