# File lib/haml/exec.rb, line 271
271:       def initialize(args)
272:         super
273:         @name = "Sass"
274:         @options[:for_engine][:load_paths] = ['.'] + (ENV['SASSPATH'] || '').split(File::PATH_SEPARATOR)
275:       end

     # File lib/haml/exec.rb, line 331
331:       def process_result
332:         if !@options[:update] && !@options[:watch] &&
333:             @args.first && @args.first.include?(':')
334:           if @args.size == 1
335:             @args = @args.first.split(':', 2)
336:           else
337:             @options[:update] = true
338:           end
339:         end
340: 
341:         return interactive if @options[:interactive]
342:         return watch_or_update if @options[:watch] || @options[:update]
343:         super
344: 
345:         begin
346:           input = @options[:input]
347:           output = @options[:output]
348: 
349:           @options[:syntax] ||= :scss if input.is_a?(File) && input.path =~ /\.scss$/
350:           tree =
351:             if input.is_a?(File) && !@options[:check_syntax]
352:               ::Sass::Files.tree_for(input.path, @options[:for_engine])
353:             else
354:               # We don't need to do any special handling of @options[:check_syntax] here,
355:               # because the Sass syntax checking happens alongside evaluation
356:               # and evaluation doesn't actually evaluate any code anyway.
357:               ::Sass::Engine.new(input.read(), @options[:for_engine]).to_tree
358:             end
359: 
360:           input.close() if input.is_a?(File)
361: 
362:           output.write(tree.render)
363:           output.close() if output.is_a? File
364:         rescue ::Sass::SyntaxError => e
365:           raise e if @options[:trace]
366:           raise e.sass_backtrace_str("standard input")
367:         end
368:       end

     # File lib/haml/exec.rb, line 282
282:       def set_opts(opts)
283:         super
284: 
285:         opts.on('--scss',
286:                 'Use the CSS-superset SCSS syntax.') do
287:           @options[:for_engine][:syntax] = :scss
288:         end
289:         opts.on('--watch', 'Watch files or directories for changes.',
290:                            'The location of the generated CSS can be set using a colon:',
291:                            '  sass --watch input.sass:output.css',
292:                            '  sass --watch input-dir:output-dir') do
293:           @options[:watch] = true
294:         end
295:         opts.on('--update', 'Compile files or directories to CSS.',
296:                             'Locations are set like --watch.') do
297:           @options[:update] = true
298:         end
299:         opts.on('-t', '--style NAME',
300:                 'Output style. Can be nested (default), compact, compressed, or expanded.') do |name|
301:           @options[:for_engine][:style] = name.to_sym
302:         end
303:         opts.on('-q', '--quiet', 'Silence warnings during compilation.') do
304:           @options[:for_engine][:quiet] = true
305:         end
306:         opts.on('-g', '--debug-info',
307:                 'Emit extra information in the generated CSS that can be used by the FireSass Firebug plugin.') do
308:           @options[:for_engine][:debug_info] = true
309:         end
310:         opts.on('-l', '--line-numbers', '--line-comments',
311:                 'Emit comments in the generated CSS indicating the corresponding sass line.') do
312:           @options[:for_engine][:line_numbers] = true
313:         end
314:         opts.on('-i', '--interactive',
315:                 'Run an interactive SassScript shell.') do
316:           @options[:interactive] = true
317:         end
318:         opts.on('-I', '--load-path PATH', 'Add a sass import path.') do |path|
319:           @options[:for_engine][:load_paths] << path
320:         end
321:         opts.on('--cache-location PATH', 'The path to put cached Sass files. Defaults to .sass-cache.') do |loc|
322:           @options[:for_engine][:cache_location] = loc
323:         end
324:         opts.on('-C', '--no-cache', "Don't cache to sassc files.") do
325:           @options[:for_engine][:read_cache] = false
326:         end
327:       end