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made large parts of the stdlib gcsafe

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This commit is contained in:
Araq 2014-04-20 20:01:24 +02:00
commit e6d17e6273
21 changed files with 138 additions and 113 deletions
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7
compiler/sempass2.nim
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@ -113,7 +113,8 @@ proc useVar(a: PEffects, n: PNode) =
if {sfGlobal, sfThread} * s.flags == {sfGlobal} and s.kind == skVar:
when trackGlobals:
a.addUse(copyNode(n))
if tfHasGCedMem in s.typ.flags or s.typ.isGCedMem:
if (tfHasGCedMem in s.typ.flags or s.typ.isGCedMem) and
tfGcSafe notin s.typ.flags:
message(n.info, warnGcUnsafe, renderTree(n))
a.gcUnsafe = true
@ -517,6 +518,7 @@ proc track(tracked: PEffects, n: PNode) =
addEffect(tracked, createRaise(n))
addTag(tracked, createTag(n))
when trackGlobals: addUse(tracked, createAnyGlobal(n))
# XXX handle 'gcsafe' properly for callbacks!
else:
mergeEffects(tracked, effectList.sons[exceptionEffects], n)
mergeTags(tracked, effectList.sons[tagEffects], n)
@ -704,7 +706,8 @@ proc trackProc*(s: PSym, body: PNode) =
"uses an unlisted global variable: ", hints=on, symbolPredicate)
effects.sons[usesEffects] = usesSpec
if sfThread in s.flags and t.gcUnsafe:
localError(s.info, "'$1' is not GC-safe" % s.name.s)
localError(s.info, warnGcUnsafe2, s.name.s)
#localError(s.info, "'$1' is not GC-safe" % s.name.s)
if not t.gcUnsafe: s.typ.flags.incl tfGcSafe
proc trackTopLevelStmt*(module: PSym; n: PNode) =