add benchmarks.dart which allows you to easily benchmark transformer code

add benchmarks.dart which allows you to easily benchmark transformer code

R=sigmund@google.com

Committed: https://github.com/dart-lang/code-transformers/commit/b548ea881285f0ae0b94ac4500c6c529f249e338

[jakemac, 2015-04-13 20:17:44]

jakemac@google.com changed reviewers:
+ sigmund@google.com

[Siggi Cherem (dart-lang), 2015-04-13 20:46:02]

https://codereview.chromium.org/1080123002/diff/40001/lib/benchmarks.dart
File lib/benchmarks.dart (right):

https://codereview.chromium.org/1080123002/diff/40001/lib/benchmarks.dart#new...
lib/benchmarks.dart:76: return done.future;
I think you can replace the completer by doing:

return _barback.results.first;

https://codereview.chromium.org/1080123002/diff/40001/lib/src/async_benchmark...
File lib/src/async_benchmark_base.dart (right):

https://codereview.chromium.org/1080123002/diff/40001/lib/src/async_benchmark...
lib/src/async_benchmark_base.dart:9: /// works for async benchmarks.
maybe move this to benchmark_harness at this point?

[jakemac, 2015-04-13 21:04:19]

https://codereview.chromium.org/1080123002/diff/40001/lib/benchmarks.dart
File lib/benchmarks.dart (right):

https://codereview.chromium.org/1080123002/diff/40001/lib/benchmarks.dart#new...
lib/benchmarks.dart:76: return done.future;
On 2015/04/13 20:46:02, Siggi Cherem (dart-lang) wrote:
> I think you can replace the completer by doing:
> 
> return _barback.results.first;

Done.

https://codereview.chromium.org/1080123002/diff/40001/lib/src/async_benchmark...
File lib/src/async_benchmark_base.dart (right):

https://codereview.chromium.org/1080123002/diff/40001/lib/src/async_benchmark...
lib/src/async_benchmark_base.dart:9: /// works for async benchmarks.
On 2015/04/13 20:46:02, Siggi Cherem (dart-lang) wrote:
> maybe move this to benchmark_harness at this point?

I will add a todo for it, but I don't want it to block this cl (part of why I
put this inside of `src`).

[Siggi Cherem (dart-lang), 2015-04-13 23:56:47]

lgtm

[jakemac, 2015-04-14 16:25:53]

Committed patchset #4 (id:60001) manually as
b548ea881285f0ae0b94ac4500c6c529f249e338 (presubmit successful).