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cursor and mutation tracking fixes (#15113)

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* fixes #15110
* fixes #15096

* prepare varpartitions for cursor inference
* new cursor inference begins to work
* make tests green
This commit is contained in:
Andreas Rumpf 2020-07-30 17:32:48 +02:00 • committed by GitHub
commit d130175342
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8 changed files with 311 additions and 368 deletions
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compiler/ast.nim
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@ -1841,6 +1841,11 @@ proc isImportedException*(t: PType; conf: ConfigRef): bool =
proc isInfixAs*(n: PNode): bool =
return n.kind == nkInfix and n[0].kind == nkIdent and n[0].ident.s == "as"
proc skipColon*(n: PNode): PNode =
result = n
if n.kind == nkExprColonExpr:
result = n[1]
proc findUnresolvedStatic*(n: PNode): PNode =
# n.typ == nil: see issue #14802
if n.kind == nkSym and n.typ != nil and n.typ.kind == tyStatic and n.typ.n == nil:
@ -1860,6 +1865,10 @@ when false:
if n[i].containsNil: return true
template hasDestructor*(t: PType): bool = {tfHasAsgn, tfHasOwned} * t.flags != {}
proc hasDisabledAsgn*(t: PType): bool =
t.attachedOps[attachedAsgn] != nil and sfError in t.attachedOps[attachedAsgn].flags
template incompleteType*(t: PType): bool =
t.sym != nil and {sfForward, sfNoForward} * t.sym.flags == {sfForward}