Stratego editor very slow to update
I've just updated Spoofax from https://github.com/metaborg/spoofax-releng/commit/f5509c142dffac64aeb7e5695f72028cda80b761 to https://github.com/metaborg/spoofax-releng/commit/9b846405aa6276f8f87b7ad8d8eb16b3195a59ca.
The Stratego editor is almost unusably slow to update. After a single whitespace change Spoofax is "Updating Spoofax editor..." for a long time.
- on 16 LOC: 2 s
- on 150 LOC: 43s
- on 1100 LOC: 44s
Progress freezes at 72%.
The files i'm referring to are:
A stack dump of the Eclipse process during one of these update operations is at http://pastebin.com/qjaU0PYM.
The problem seems related to parsing.Submitted by Vlad Vergu on 13 September 2016 at 11:02
This was caused by the new parse primitive not parsing Stratego files with concrete syntax extensions properly, which is fixed in https://github.com/metaborg/spoofax/commit/3b99416ed1e249703da8bd93e6669906a4d4c8e2. The first time an editor is opened it will still be slow, because the Stratego editor parses and caches all Stratego files, but after that it should be relatively fast.
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