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To manually collect cache entries, we need to know when a snapshot is idle. Add a reference count in the form of a WaitGroup and keep track of its uses. The pattern is that any time a snapshot is returned, it comes with a release function that decrements the ref count. Almost all uses of a snapshot originate in a user-facing request, handled in beginFileRequest. There it's mostly an exercise in passing Snapshots around instead of Views. In the other places I took the path of least resistance. For file modifications I tried to minimize the amount of code that needed to deal with snapshots. For diagnostics I just acquired the snapshot at the diagnostics call. Change-Id: Id48a2df3acdd97f27d905e2c2be23072f28f196b Reviewed-on: https://go-review.googlesource.com/c/tools/+/241837 Run-TryBot: Heschi Kreinick <heschi@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Rebecca Stambler <rstambler@golang.org> |
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| fastwalk | ||
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| gopathwalk | ||
| imports | ||
| jsonrpc2 | ||
| lsp | ||
| memoize | ||
| packagesinternal | ||
| proxydir | ||
| span | ||
| stack | ||
| testenv | ||
| tool | ||
| typesinternal | ||
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