Optimize the processing of test options.

Optimize the processing of test options.

Read the entire file in one go and find all matches of the regexps.
This reads the file with the assumption that one byte is a char.
For the things we are looking for that will be ok.

No need to pass special options to get a larger new space. We
run corelib, standalone and co19 in roughly 10sec on my machine.
With the python version we are at 6sec.

R=whesse@google.com
BUG=
TEST=

Committed: https://code.google.com/p/dart/source/detail?r=1569

[Bill Hesse, 2011-11-16 13:47:24]

LGTM.

http://codereview.chromium.org/8486009/diff/2001/tests/co19/test_config.dart
File tests/co19/test_config.dart (right):

http://codereview.chromium.org/8486009/diff/2001/tests/co19/test_config.dart#...
tests/co19/test_config.dart:111: RegExp testOptionsRegExp = const RegExp(@"//
VMOptions=(.*)");
.* does not match newline, so these can match single lines in a multiline
string.  Add comment?

[Mads Ager (google), 2011-11-16 14:40:37]

http://codereview.chromium.org/8486009/diff/2001/tests/co19/test_config.dart
File tests/co19/test_config.dart (right):

http://codereview.chromium.org/8486009/diff/2001/tests/co19/test_config.dart#...
tests/co19/test_config.dart:111: RegExp testOptionsRegExp = const RegExp(@"//
VMOptions=(.*)");
On 2011/11/16 13:47:24, Bill Hesse wrote:
> .* does not match newline, so these can match single lines in a multiline
> string.  Add comment?

Yes, thanks. I actually didn't think about that. I was just lucky that it
worked. ;-)