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more destructor based changes (#10885)

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* mark user defined destructors with sfOverriden to simplify the logic
* refactoring in preparation to merge liftings and generic instantiations for destructors
* ast: introduce nkHiddenTryStmt for destructor generation in order to be able to optimize better the code later on
* renamed 'patterns' switch to 'trmacros' as it was totally misleading before
* destructors: introduce tfCheckedForDestructor flag in preparation of strict =destroy checking
* test for invalid/too late destructor introductions
* liftdestructors: make code robust for nimsuggest
* --newruntime works for hello world again
* newruntime: code generation for closures
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Andreas Rumpf 2019-03-23 00:12:05 +01:00 • committed by GitHub
commit bf592c4e94
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39 changed files with 443 additions and 242 deletions
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compiler/writetracking.nim
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@ -122,7 +122,7 @@ proc returnsNewExpr*(n: PNode): NewLocation =
nkElifBranch, nkElse, nkExceptBranch, nkFinally, nkCast:
result = returnsNewExpr(n.lastSon)
of nkCurly, nkBracket, nkPar, nkTupleConstr, nkObjConstr, nkClosure,
nkIfExpr, nkIfStmt, nkWhenStmt, nkCaseStmt, nkTryStmt:
nkIfExpr, nkIfStmt, nkWhenStmt, nkCaseStmt, nkTryStmt, nkHiddenTryStmt:
result = newLit
for i in ord(n.kind == nkObjConstr) ..< n.len:
let x = returnsNewExpr(n.sons[i])