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renamed '=' to '=copy' [backport:1.2] (#15585)

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* Assign hook name changed to `=copy`
* Adapt destructors.rst
* [nobackport] Duplicate tests for =copy hook
* Fix tests
* added a changelog entry

Co-authored-by: Clyybber <darkmine956@gmail.com>
This commit is contained in:
Andreas Rumpf 2020-10-15 12:52:30 +02:00 • committed by GitHub
commit da4aa2e1fb
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17 changed files with 1001 additions and 29 deletions
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4
compiler/semstmts.nim
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@ -1732,7 +1732,7 @@ proc semOverride(c: PContext, s: PSym, n: PNode) =
"signature for 'deepCopy' must be proc[T: ptr|ref](x: T): T")
incl(s.flags, sfUsed)
incl(s.flags, sfOverriden)
of "=", "=sink":
of "=", "=copy", "=sink":
if s.magic == mAsgn: return
incl(s.flags, sfUsed)
incl(s.flags, sfOverriden)
@ -1754,7 +1754,7 @@ proc semOverride(c: PContext, s: PSym, n: PNode) =
# attach these ops to the canonical tySequence
obj = canonType(c, obj)
#echo "ATTACHING TO ", obj.id, " ", s.name.s, " ", cast[int](obj)
let k = if name == "=": attachedAsgn else: attachedSink
let k = if name == "=" or name == "=copy": attachedAsgn else: attachedSink
if obj.attachedOps[k] == s:
discard "forward declared op"
elif obj.attachedOps[k].isNil and tfCheckedForDestructor notin obj.flags: