[wasm] Add iterators for opcodes or offsets of one function

[wasm] Add iterators for opcodes or offsets of one function

We have the BytecodeIterator with next() and has_next() methods, and
pc_offset() and current() accessors.
This CL adds an interface to iterate over the opcodes or offsets in a
C++ foreach loop.

R=titzer@chromium.org

Review-Url: https://codereview.chromium.org/2587143002
Cr-Commit-Position: refs/heads/master@{#41851}
Committed: https://chromium.googlesource.com/v8/v8/+/6361f133ab7524e8717703ff6b16398046fb1560

[Clemens Hammacher, 2016-12-19 19:13:52]

The CQ bit was checked by clemensh@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-12-19 19:13:54]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-12-19 19:42:29]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-12-19 19:42:30]

Dry run: This issue passed the CQ dry run.

[titzer, 2016-12-19 20:39:38]

lgtm, neat!

[Clemens Hammacher, 2016-12-20 11:27:02]

The CQ bit was checked by clemensh@chromium.org

[commit-bot: I haz the power, 2016-12-20 11:27:07]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-12-20 11:28:44]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1482233222443080, "parent_rev":
"e797e0ea6d01ed84a23345ddf077157091d65648", "commit_rev":
"6361f133ab7524e8717703ff6b16398046fb1560"}

[commit-bot: I haz the power, 2016-12-20 11:28:50]

Description was changed from

==========
[wasm] Add iterators for opcodes or offsets of one function

We have the BytecodeIterator with next() and has_next() methods, and
pc_offset() and current() accessors.
This CL adds an interface to iterate over the opcodes or offsets in a
C++ foreach loop.

R=titzer@chromium.org
==========

to

==========
[wasm] Add iterators for opcodes or offsets of one function

We have the BytecodeIterator with next() and has_next() methods, and
pc_offset() and current() accessors.
This CL adds an interface to iterate over the opcodes or offsets in a
C++ foreach loop.

R=titzer@chromium.org

Review-Url: https://codereview.chromium.org/2587143002
Cr-Commit-Position: refs/heads/master@{#41851}
Committed:
https://chromium.googlesource.com/v8/v8/+/6361f133ab7524e8717703ff6b16398046f...
==========

[commit-bot: I haz the power, 2016-12-20 11:28:51]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/6361f133ab7524e8717703ff6b16398046f...