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fixes #12091

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This commit is contained in:
Araq
2019-09-08 09:22:11 +02:00
parent 4bbafb47dc
commit 8362d92e47
1 changed files with 9 additions and 1 deletions
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10
compiler/semtypes.nim
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@@ -850,6 +850,7 @@ proc semAnyRef(c: PContext; n: PNode; kind: TTypeKind; prev: PType): PType =
localError(c.config, n.info, "type '$1 void' is not allowed" % kindToStr[kind])
result = newOrPrevType(kind, prev, c)
var isNilable = false
var isOwned = false
# check every except the last is an object:
for i in isCall .. n.len-2:
let ni = n[i]
@@ -857,7 +858,9 @@ proc semAnyRef(c: PContext; n: PNode; kind: TTypeKind; prev: PType): PType =
isNilable = true
else:
let region = semTypeNode(c, ni, nil)
if region.skipTypes({tyGenericInst, tyAlias, tySink}).kind notin {
if region.kind == tyOwned:
isOwned = true
elif region.skipTypes({tyGenericInst, tyAlias, tySink}).kind notin {
tyError, tyObject}:
message c.config, n[i].info, errGenerated, "region needs to be an object type"
else:
@@ -867,6 +870,11 @@ proc semAnyRef(c: PContext; n: PNode; kind: TTypeKind; prev: PType): PType =
if tfPartial in result.flags:
if result.lastSon.kind == tyObject: incl(result.lastSon.flags, tfPartial)
#if not isNilable: result.flags.incl tfNotNil
if isOwned and optNimV2 in c.config.globalOptions:
let t = newTypeS(tyOwned, c)
t.flags.incl tfHasOwned
t.rawAddSonNoPropagationOfTypeFlags result
result = t
proc findEnforcedStaticType(t: PType): PType =
# This handles types such as `static[T] and Foo`,