johnlenz@google.com b2918972e8 Changes to allow the ClosureJsBackend to give people some options to play with: ...

- introduce a "fastDraft" mode that only runs the main code-removal passes and runs in about half the time and but produces code 2x the size (but still less than 10% of the original).
- allows it to run in an quasi-incremential mode by consuming the incrementially generated js (cuts ~4s off the build time but source maps are useless).
- allow source map generation to be turned off (saves a couple seconds).
- turns off not useful check passes and makes the rest switchable.

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@91 260f80e4-7a28-3924-810f-c04153c831b5

2011-10-06 06:41:19 +00:00

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com/google/dart

Changes to allow the ClosureJsBackend to give people some options to play with:

2011-10-06 06:41:19 +00:00