ErrorHighlight::Spotter#spot_call_for_name

# File tmp/rubies/ruby-4.1.0-preview1/lib/error_highlight/base.rb, line 381
def spot_call_for_name
  nd_recv, mid, nd_args = @node.children
  lineno = nd_recv.last_lineno
  lines = @fetch[lineno, @node.last_lineno]
  if mid == :[] && lines.match(/\G[\s)]*(\[(?:\s*\])?)/, nd_recv.last_column)
    @beg_column = $~.begin(1)
    @snippet = lines[/.*\n/]
    @beg_lineno = @end_lineno = lineno
    if nd_args
      if nd_recv.last_lineno == nd_args.last_lineno && @snippet.match(/\s*\]/, nd_args.last_column)
        @end_column = $~.end(0)
      end
    else
      if lines.match(/\G[\s)]*?\[\s*\]/, nd_recv.last_column)
        @end_column = $~.end(0)
      end
    end
  elsif lines.match(/\G[\s)]*?(\&?\.)(\s*?)(#{ Regexp.quote(mid) }).*\n/, nd_recv.last_column)
    lines = $` + $&
    @beg_column = $~.begin($2.include?("\n") ? 3 : 1)
    @end_column = $~.end(3)
    if i = lines[..@beg_column].rindex("\n")
      @beg_lineno = @end_lineno = lineno + lines[..@beg_column].count("\n")
      @snippet = lines[i + 1..]
      @beg_column -= i + 1
      @end_column -= i + 1
    else
      @snippet = lines
      @beg_lineno = @end_lineno = lineno
    end
  elsif mid.to_s =~ /\A\W+\z/ && lines.match(/\G\s*(#{ Regexp.quote(mid) })=.*\n/, nd_recv.last_column)
    @snippet = $` + $&
    @beg_lineno = @end_lineno = lineno
    @beg_column = $~.begin(1)
    @end_column = $~.end(1)
  end
end