Reviewers: rossberg,
Message:
tentatively sending to rossberg@, please let me know if I should find
somebody
else to review...
Description:
Refactor Parser to make it usable on a background thread.
- Background Parsers cannot get the following data from Isolate (pass it to
the
ctor instead): stack limit (background parses need a different stack limit),
UnicodeCache (background parsers need a separate UnicodeCache), hash seed
(Parser cannot access the Heap to get it). The Parser::Parse API won't
change.
- Make the internalization phase (where Parser interacts with the heap) more
explicit. Previously, Parser was interacting with the heap here and there.
- Move HandleSourceURLComments out of DoParseProgram, so that background
parsing
can use DoParseProgram too.
BUG=
Please review this at https://codereview.chromium.org/527763002/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+74, -43 lines):
M src/parser.h
M src/parser.cc
M src/preparser.h
M test/cctest/test-parsing.cc
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