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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/lowerings.nim
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@ -80,7 +80,7 @@ proc newTupleAccessRaw*(tup: PNode, i: int): PNode =
addSon(result, lit)
proc newTryFinally*(body, final: PNode): PNode =
result = newTree(nkTryStmt, body, newTree(nkFinally, final))
result = newTree(nkHiddenTryStmt, body, newTree(nkFinally, final))
proc lowerTupleUnpackingForAsgn*(g: ModuleGraph; n: PNode; owner: PSym): PNode =
let value = n.lastSon