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fixes #11225; generic sandwich problems; [backport:1.2] (#17255)

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* fixes #11225; generic sandwich problems; [backport:1.2]
* progress
* delegating these symbols must be done via 'bind'
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Andreas Rumpf 2021-03-09 20:19:24 +01:00 • committed by GitHub
commit 2f213db7ee
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24 changed files with 132 additions and 21 deletions
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10
compiler/semtempl.nim
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@ -86,6 +86,7 @@ proc symChoice(c: PContext, n: PNode, s: PSym, r: TSymChoiceRule;
a = nextOverloadIter(o, c, n)
proc semBindStmt(c: PContext, n: PNode, toBind: var IntSet): PNode =
result = copyNode(n)
for i in 0..<n.len:
var a = n[i]
# If 'a' is an overloaded symbol, we used to use the first symbol
@ -99,16 +100,19 @@ proc semBindStmt(c: PContext, n: PNode, toBind: var IntSet): PNode =
let sc = symChoice(c, n, s, scClosed)
if sc.kind == nkSym:
toBind.incl(sc.sym.id)
result.add sc
else:
for x in items(sc): toBind.incl(x.sym.id)
for x in items(sc):
toBind.incl(x.sym.id)
result.add x
else:
illFormedAst(a, c.config)
result = newNodeI(nkEmpty, n.info)
proc semMixinStmt(c: PContext, n: PNode, toMixin: var IntSet): PNode =
result = copyNode(n)
for i in 0..<n.len:
toMixin.incl(considerQuotedIdent(c, n[i]).id)
result = newNodeI(nkEmpty, n.info)
result.add symChoice(c, n[i], nil, scForceOpen)
proc replaceIdentBySym(c: PContext; n: var PNode, s: PNode) =
case n.kind