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first implementation of overloading of '='; missing: rewriting let/var sections

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This commit is contained in:
Araq 2015-04-06 20:11:27 +02:00
commit 78f371c03a
12 changed files with 374 additions and 216 deletions
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9
compiler/sigmatch.nim
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@ -1628,12 +1628,15 @@ proc argtypeMatches*(c: PContext, f, a: PType): bool =
# instantiate generic converters for that
result = res != nil
proc instDeepCopy*(c: PContext; dc: PSym; t: PType; info: TLineInfo): PSym {.
procvar.} =
proc instTypeBoundOp*(c: PContext; dc: PSym; t: PType; info: TLineInfo;
op: TTypeAttachedOp): PSym {.procvar.} =
var m: TCandidate
initCandidate(c, m, dc.typ)
var f = dc.typ.sons[1]
if f.kind in {tyRef, tyPtr}: f = f.lastSon
if op == attachedDeepCopy:
if f.kind in {tyRef, tyPtr}: f = f.lastSon
else:
if f.kind == tyVar: f = f.lastSon
if typeRel(m, f, t) == isNone:
localError(info, errGenerated, "cannot instantiate 'deepCopy'")
else: