jyapayne/Nim
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

deepCopy is instantiated when its corresponding type is instantiated

Browse source
This commit is contained in:
Araq 2014-09-26 09:36:09 +02:00
commit 1088814e56
10 changed files with 87 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

7
compiler/semstmts.nim
View file

@ -1029,7 +1029,11 @@ proc semOverride(c: PContext, s: PSym, n: PNode) =
sameType(s.typ.sons[1], s.typ.sons[0]):
# Note: we store the deepCopy in the base of the pointer to mitigate
# the problem that pointers are structural types:
let t = s.typ.sons[1].skipTypes(abstractInst).lastSon.skipTypes(abstractInst)
var t = s.typ.sons[1].skipTypes(abstractInst).lastSon.skipTypes(abstractInst)
while true:
if t.kind == tyGenericBody: t = t.lastSon
elif t.kind == tyGenericInvokation: t = t.sons[0]
else: break
if t.kind in {tyObject, tyDistinct, tyEnum}:
if t.deepCopy.isNil: t.deepCopy = s
else:
@ -1044,6 +1048,7 @@ proc semOverride(c: PContext, s: PSym, n: PNode) =
of "=": discard
else: localError(n.info, errGenerated,
"'destroy' or 'deepCopy' expected for 'override'")
incl(s.flags, sfUsed)
type
TProcCompilationSteps = enum