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More sophistication; Allow requiresInit to be specified per-field

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Zahary Karadjov 2020-03-27 18:43:23 +02:00 • committed by Andreas Rumpf
commit 7652aede41
4 changed files with 61 additions and 15 deletions
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compiler/ast.nim
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@ -259,6 +259,7 @@ type
# needed for the code generator
sfProcvar, # proc can be passed to a proc var
sfDiscriminant, # field is a discriminant in a record/object
sfRequiresInit, # field must be initialized during construction
sfDeprecated, # symbol is deprecated
sfExplain, # provide more diagnostics when this symbol is used
sfError, # usage of symbol should trigger a compile-time error
@ -1488,7 +1489,7 @@ proc propagateToOwner*(owner, elem: PType; propagateHasAsgn = true) =
elif owner.kind notin HaveTheirOwnEmpty:
owner.flags.incl tfHasRequiresInit
if tfRequiresInit in elem.flags:
if {tfRequiresInit, tfHasRequiresInit} * elem.flags != {}:
if owner.kind in HaveTheirOwnEmpty: discard
else: owner.flags.incl tfHasRequiresInit