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Add current_memory operator #648

Merged
merged 2 commits into from
Apr 18, 2016
Merged

Add current_memory operator #648

merged 2 commits into from
Apr 18, 2016

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rossberg
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@rossberg rossberg commented Apr 8, 2016

After #629, the memory_size operator (which actually was missing from AstSemantics) is the last one not counting memory in page units. This PR species that, and also renames it to current_memory (as suggested here).

@lukewagner
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Looks good, but could you also s/memory_size/current_memory/ in the rest of the design repo (there are a few)?

@rossberg
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rossberg commented Apr 8, 2016

Done, but I had to do a bit of rewording to make it fit.

@lukewagner
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lgtm, thanks

@jfbastien
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lgtm

This reminds me (not for this PR): didn't we discuss getting rid of this operator because of the race it may have (get current_memory and it's potentially already been changed by another thread)?

@rossberg
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Merging with LGTMs and no objection

@rossberg rossberg merged commit a15a049 into binary_0xb Apr 18, 2016
@jfbastien jfbastien deleted the current_memory branch April 18, 2016 15:57
@drom
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drom commented Apr 28, 2016

Shall we change BinaryEncoding.md with this new fix?

lukewagner pushed a commit that referenced this pull request Apr 28, 2016
lukewagner added a commit that referenced this pull request Apr 29, 2016
* Merge pull request #648 from WebAssembly/current_memory

Add current_memory operator

* Reorder section size field (#639)

* Prettify section names (#638)

* Extensible encoding of function signatures (#640)

* Prettify section names

* Restructure encoding of function signatures

* Revert "[Binary 11] Update the version number to 0xB."

* Leave index space for growing the number of base types

* Comments addressed

* clarify how export/import names convert to JS strings (#569) (#573)

* When embedded in the web, clarify how export/import names convert to JS strings (#569)

* Fixes suggested by @jf

* Address more feedback

Added a link to http://monsur.hossa.in/2012/07/20/utf-8-in-javascript.html.  Simplified the decoding algorithm thanks to Luke's feedback.

* Access to proprietary APIs apart from HTML5 (#656)

* comments

* Merge pull request #641 from WebAssembly/postorder_opcodes

Postorder opcodes

* fix some text that seems to be in the wrong order (#670)

* Clarify that br_table has a branch argument (#664)

* Add explicit argument counts (#672)

* Add explicit arities

* Rename

* Replace uint8 with varint7 in form field (#662)

This needs to be variable-length.
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4 participants