Introduce internal Log class that handles writing log messages, enable logging to memory buffer.

Introduce internal Log class that handles writing log messages, enable logging to memory buffer.

This will enable reading profiler log in Chrome. The current implementation of memory buffer is trivial (fixed size buffer, no memory recycling) but enough to start end-to-end DevTools Profiler implementation. Later it will be enhanced.

Committed: http://code.google.com/p/v8/source/detail?r=1870

[Søren Thygesen Gjesse, 2009-05-05 13:52:35]

LGTM

http://codereview.chromium.org/108011/diff/1/2
File include/v8.h (right):

http://codereview.chromium.org/108011/diff/1/2#newcode2085
Line 2085: * profiler log data in application. This function is thread-safe.
Missing the after in.

[Mikhail Naganov, 2009-05-05 15:56:46]

http://codereview.chromium.org/108011/diff/1/2
File include/v8.h (right):

http://codereview.chromium.org/108011/diff/1/2#newcode2085
Line 2085: * profiler log data in application. This function is thread-safe.
On 2009/05/05 13:52:35, Søren Gjesse wrote:
> Missing the after in.

Done.