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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
This commit is contained in:
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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4
compiler/semtypinst.nim
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@ -291,7 +291,7 @@ proc instCopyType*(cl: var TReplTypeVars, t: PType): PType =
when false:
if newDestructors:
result.assignment = nil
#result.destructor = nil
result.destructor = nil
result.sink = nil
proc handleGenericInvocation(cl: var TReplTypeVars, t: PType): PType =
@ -404,7 +404,7 @@ proc handleGenericInvocation(cl: var TReplTypeVars, t: PType): PType =
# adding myseq for myseq[system.int]
# sigmatch: Formal myseq[=destroy.T] real myseq[system.int]
#echo "DESTROY: adding ", typeToString(newbody), " for ", typeToString(result, preferDesc)
cl.c.typesWithOps.add((newbody, result))
#cl.c.typesWithOps.add((newbody, result))
let mm = skipTypes(bbody, abstractPtrs)
if tfFromGeneric notin mm.flags:
# bug #5479, prevent endless recursions here: