Module: SeeingIsBelieving::Binary::RewriteComments
- Defined in:
- lib/seeing_is_believing/binary/rewrite_comments.rb
Overview
can this be joined into CommentLines? that one yields every commentable line, this one just lines which have comments what they yield is a little different, too, but their algorithms and domain are very similar
Constant Summary collapse
- Options =
HashStruct.anon do attribute(:include_lines) { [] } end
Class Method Summary collapse
Class Method Details
.call(raw_code, options = {}, &mapping) ⇒ Object
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 |
# File 'lib/seeing_is_believing/binary/rewrite_comments.rb', line 14 def self.call(raw_code, ={}, &mapping) code = Code.new(raw_code) comments = code.inline_comments extra_lines = Options.new().include_lines # update existing comments comments.each do |comment| new_whitespace, new_comment = mapping.call comment code.rewriter.replace comment.whitespace_range, new_whitespace code.rewriter.replace comment.comment_range, new_comment end # remove extra lines that are handled / uncommentable comments.each { |c| extra_lines.delete c.line_number } commentable_linenums = CommentableLines.call(code.raw).map { |linenum, *| linenum } extra_lines.select! { |linenum| commentable_linenums.include? linenum } # add additional comments extra_lines.each do |line_number| line_begin_col = code.linenum_to_index(line_number) nextline_begin_col = code.linenum_to_index(line_number.next) nextline_begin_col -= 1 if code.raw[nextline_begin_col-1] == "\n" whitespace_col = nextline_begin_col-1 whitespace_col -= 1 while line_begin_col < whitespace_col && code.raw[whitespace_col] =~ /\s/ whitespace_col += 1 whitespace_range = code.range_for(whitespace_col, nextline_begin_col) comment_range = code.range_for(nextline_begin_col, nextline_begin_col) comment = Code::InlineComment.new \ line_number: line_number, whitespace_col: whitespace_col-line_begin_col, whitespace: code.raw[whitespace_col...nextline_begin_col]||"", text_col: nextline_begin_col-line_begin_col, text: "", full_range: whitespace_range, whitespace_range: whitespace_range, comment_range: comment_range whitespace, body = mapping.call comment code.rewriter.replace whitespace_range, "#{whitespace}#{body}" end # perform the rewrite code.rewriter.process end |