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Introduce `IncrementalCommon.invalidateSource` method. 

In addition to `invalidateSources` we introduce `invalidateSource`
that invalidates dependencies of a single source. This is needed
for the name hashing algorithm because its invalidation logic
depends on information about API changes of each source file
individually.

The refactoring is done in `IncrementalCommon` class so it affects
the default implementation as well. However, this refactoring does
not affect the result of invalidation in the default implementation.
This commit is contained in:
Grzegorz Kossakowski 2013-12-05 07:24:17 +01:00
parent 946fd53a73
commit 83a131e4f5
1 changed files with 9 additions and 2 deletions
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11
compile/inc/src/main/scala/sbt/inc/Incremental.scala
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@ -316,13 +316,20 @@ private abstract class IncrementalCommon(log: Logger, options: IncOptions) {
private[this] def invalidateSources(directDeps: File => Set[File], publicInherited: File => Set[File], changes: APIChanges[File]): Set[File] =
{
val initial = changes.allModified.toSet
val all = (changes.apiChanges flatMap { change =>
invalidateSource(directDeps, publicInherited, change)
}).toSet
includeInitialCond(initial, all, f => directDeps(f) ++ publicInherited(f))
}
private[this] def invalidateSource(directDeps: File => Set[File], publicInherited: File => Set[File], change: APIChange[File]): Set[File] = {
log.debug("Invalidating by inheritance (transitively)...")
val transitiveInherited = transitiveDeps(initial)(publicInherited)
val transitiveInherited = transitiveDeps(Set(change.modified))(publicInherited)
log.debug("Invalidated by transitive public inheritance: " + transitiveInherited)
val direct = transitiveInherited flatMap directDeps
log.debug("Invalidated by direct dependency: " + direct)
val all = transitiveInherited ++ direct
includeInitialCond(initial, all, f => directDeps(f) ++ publicInherited(f))
all
}
/** Conditionally include initial sources that are dependencies of newly invalidated sources.