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added HashTableBuilder.rootNode to white list #19943

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merged 5 commits into from
Mar 25, 2024
Merged

added HashTableBuilder.rootNode to white list #19943

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e91006a
added Vector.emptyIterator to white list
Dan13llljws Mar 14, 2024
8a5cf8b
changed plain string to Definitions
Dan13llljws Mar 18, 2024
8315f78
changed to
Dan13llljws Mar 18, 2024
2a9f366
finalized whiteList
Dan13llljws Mar 25, 2024
c222381
Update compiler/src/dotty/tools/dotc/transform/init/Objects.scala
olhotak Mar 25, 2024
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10 changes: 8 additions & 2 deletions compiler/src/dotty/tools/dotc/transform/init/Objects.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,13 @@ import dotty.tools.dotc.core.Flags.AbstractOrTrait
* whole-program analysis. However, the check is not modular in terms of project boundaries.
*
*/
class Objects:
import Decorators.*
class Objects(using Context @constructorOnly):
val immutableHashSetBuider: Symbol = requiredClass("scala.collection.immutable.HashSetBuilder")
// TODO: this should really be an annotation on the rhs of the field initializer rather than the field itself.
val HashSetBuilder_rootNode: Symbol = immutableHashSetBuider.requiredValue("rootNode")
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val whiteList = Set(HashSetBuilder_rootNode)

// ----------------------------- abstract domain -----------------------------

Expand Down Expand Up @@ -1685,8 +1691,8 @@ class Objects:
// class body
tpl.body.foreach {
case vdef : ValDef if !vdef.symbol.is(Flags.Lazy) && !vdef.rhs.isEmpty =>
val res = eval(vdef.rhs, thisV, klass)
val sym = vdef.symbol
val res = if (whiteList.contains(sym)) Bottom else eval(vdef.rhs, thisV, klass)
if sym.is(Flags.Mutable) then
val addr = Heap.fieldVarAddr(summon[Regions.Data], sym, State.currentObject)
thisV.initVar(sym, addr)
Expand Down
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