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instance method

ErrorHighlight::Spotter#spot_op_asgn1_for_name

spot_op_asgn1_for_name

lib/error_highlight/base.rb View on GitHub ↗

# File tmp/rubies/ruby-4.1.0-preview1/lib/error_highlight/base.rb, line 564
def spot_op_asgn1_for_name
  nd_recv, op, nd_args, _nd_rhs = @node.children
  fetch_line(nd_recv.last_lineno)
  if @snippet.match(/\G[\s)]*(\[)/, nd_recv.last_column)
    bracket_beg_column = $~.begin(1)
    args_last_column = $~.end(0)
    if nd_args && nd_recv.last_lineno == nd_args.last_lineno
      args_last_column = nd_args.last_column
    end
    if @snippet.match(/\s*\](\s*)(#{ Regexp.quote(op) })=()/, args_last_column)
      case @name
      when :[], :[]=
        @beg_column = bracket_beg_column
        @end_column = $~.begin(@name == :[] ? 1 : 3)
      when op
        @beg_column = $~.begin(2)
        @end_column = $~.end(2)
      end
    end
  end
end

Example:

x[1] += 42
 ^^^    (for [])
x[1] += 42
     ^  (for +)
x[1] += 42
 ^^^^^^ (for []=)

See also #spot_op_asgn1_for_args #spot_op_asgn2_for_args #spot_lambda #spot_op_asgn2_for_name also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1

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