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objects with no ancestor are not implicitely final

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This commit is contained in:
Araq 2012-08-24 17:33:04 +02:00
commit d17caa86e8
15 changed files with 44 additions and 22 deletions
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8
compiler/pragmas.nim
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@ -48,7 +48,7 @@ const
typePragmas* = {wImportc, wExportc, wDeprecated, wMagic, wAcyclic, wNodecl,
wPure, wHeader, wCompilerProc, wFinal, wSize, wExtern, wShallow,
wImportcpp, wImportobjc, wError, wIncompleteStruct, wByCopy, wByRef,
wGenSym, wInject}
wInheritable, wGenSym, wInject}
fieldPragmas* = {wImportc, wExportc, wDeprecated, wExtern,
wImportcpp, wImportobjc, wError}
varPragmas* = {wImportc, wExportc, wVolatile, wRegister, wThreadVar, wNodecl,
@ -584,7 +584,11 @@ proc pragma(c: PContext, sym: PSym, n: PNode, validPragmas: TSpecialWords) =
noVal(it)
if sym.typ == nil: invalidPragma(it)
else: incl(sym.typ.flags, tfFinal)
of wAcyclic:
of wInheritable:
noVal(it)
if sym.typ == nil or tfFinal in sym.typ.flags: invalidPragma(it)
else: incl(sym.typ.flags, tfInheritable)
of wAcyclic:
noVal(it)
if sym.typ == nil: invalidPragma(it)
else: incl(sym.typ.flags, tfAcyclic)