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reintroduce thread analysis but disable it for backwards compatibility

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This commit is contained in:
Araq 2014-04-20 22:15:25 +02:00
commit 4075159933
7 changed files with 26 additions and 17 deletions
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7
compiler/lowerings.nim
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@ -12,7 +12,7 @@
const
genPrefix* = ":tmp" # prefix for generated names
import ast, astalgo, types, idents, magicsys, msgs
import ast, astalgo, types, idents, magicsys, msgs, options
proc newTupleAccess*(tup: PNode, i: int): PNode =
result = newNodeIT(nkBracketExpr, tup.info, tup.typ.skipTypes(
@ -151,8 +151,9 @@ proc wrapProcForSpawn*(owner: PSym; n: PNode): PNode =
if n.kind notin nkCallKinds or not n.typ.isEmptyType:
localError(n.info, "'spawn' takes a call expression of type void")
return
if {tfThread, tfNoSideEffect} * n[0].typ.flags == {}:
localError(n.info, "'spawn' takes a GC safe call expression")
if optThreadAnalysis in gGlobalOptions:
if {tfThread, tfNoSideEffect} * n[0].typ.flags == {}:
localError(n.info, "'spawn' takes a GC safe call expression")
var
threadParam = newSym(skParam, getIdent"thread", owner, n.info)
argsParam = newSym(skParam, getIdent"args", owner, n.info)