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Clarify index.trackDependency

Fangrui Song 2018-10-06 14:33:48 -07:00
parent 7251220599
commit 0c099d647f
1 changed files with 5 additions and 3 deletions
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8
Initialization-options.md

@ -123,11 +123,13 @@ This is best used in conjunction with empty `cacheDirectory` to avoid writing ca
Default: 2
If `a.h` has been changed, when you open `a.cc` which includes `a.h`, an index request will be sent and `a.cc` will be reparsed.
This options controls whether a file should be re-indexed when any of its dependencies changes timestamp.
If set to 0, `a.cc` will not be reparsed because its dependencies (included files) have changed timestamps.
If `a.h` has been changed, when you open `a.cc` which includes `a.h`, an index request will be sent.
1 sits between the two cases: the 2 behavior (default) is used before the initial load while the 0 behavior is used afterwards.
* 0: no re-indexing unless `a.cc` itself changes timestamp.
* 2: the index of `a.cc` is considered stale and it should be re-indexed.
* 1: before the initial load, the behavior of 2 is used, otherwise the behavior of 0 is used.
## `completion.filterAndSort`: completion filtering and sorting