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Size ptr tuple (#10846)

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* fixes #10117
* Add support for recursive tuples
* detect in generics
This commit is contained in:
Arne Döring 2019-03-18 11:37:09 +01:00 • committed by Andreas Rumpf
commit 97c3b113a5
8 changed files with 153 additions and 10 deletions
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3
compiler/semtypinst.nim
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@ -24,7 +24,7 @@ proc checkConstructedType*(conf: ConfigRef; info: TLineInfo, typ: PType) =
if t.kind in tyTypeClasses: discard
elif t.kind in {tyVar, tyLent} and t.sons[0].kind in {tyVar, tyLent}:
localError(conf, info, "type 'var var' is not allowed")
elif computeSize(conf, t) == szIllegalRecursion:
elif computeSize(conf, t) == szIllegalRecursion or isTupleRecursive(t):
localError(conf, info, "illegal recursion in type '" & typeToString(t) & "'")
when false:
if t.kind == tyObject and t.sons[0] != nil:
@ -682,4 +682,3 @@ proc prepareMetatypeForSigmatch*(p: PContext, pt: TIdTable, info: TLineInfo,
template generateTypeInstance*(p: PContext, pt: TIdTable, arg: PNode,
t: PType): untyped =
generateTypeInstance(p, pt, arg.info, t)