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preparations for language extensions: 'sink' and 'lent' types

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This commit is contained in:
Andreas Rumpf 2018-01-07 23:09:26 +01:00
commit e4081a7201
34 changed files with 183 additions and 178 deletions
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4
compiler/semmagic.nim
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@ -108,7 +108,7 @@ proc uninstantiate(t: PType): PType =
else: t
proc evalTypeTrait(traitCall: PNode, operand: PType, context: PSym): PNode =
const skippedTypes = {tyTypeDesc, tyAlias}
const skippedTypes = {tyTypeDesc, tyAlias, tySink}
let trait = traitCall[0]
internalAssert trait.kind == nkSym
var operand = operand.skipTypes(skippedTypes)
@ -145,7 +145,7 @@ proc evalTypeTrait(traitCall: PNode, operand: PType, context: PSym): PNode =
of "stripGenericParams":
result = uninstantiate(operand).toNode(traitCall.info)
of "supportsCopyMem":
let t = operand.skipTypes({tyVar, tyGenericInst, tyAlias, tyInferred})
let t = operand.skipTypes({tyVar, tyLent, tyGenericInst, tyAlias, tySink, tyInferred})
let complexObj = containsGarbageCollectedRef(t) or
hasDestructor(t)
result = newIntNodeT(ord(not complexObj), traitCall)