Strict mode detection in preparser.

Strict mode detection in preparser.

Handle octal escapes in everything but RegExps.
Extend preparser test suite to test whether the preparser reports
exceptions to throw.

TEST=preparser/*

Committed: http://code.google.com/p/v8/source/detail?r=7804

[Mads Ager (chromium), 2011-05-06 10:32:45]

LGTM

http://codereview.chromium.org/6927075/diff/3001/src/scanner-base.cc
File src/scanner-base.cc (right):

http://codereview.chromium.org/6927075/diff/3001/src/scanner-base.cc#newcode735
src/scanner-base.cc:735: // At some point, parse RegExps more throughly to
capture
Put in TODO(bugnumber) here?

[Lasse Reichstein, 2011-05-06 11:39:24]

http://codereview.chromium.org/6927075/diff/3001/src/scanner-base.cc
File src/scanner-base.cc (right):

http://codereview.chromium.org/6927075/diff/3001/src/scanner-base.cc#newcode735
src/scanner-base.cc:735: // At some point, parse RegExps more throughly to
capture
Done.