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don't allow to pass a closure to spawn

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This commit is contained in:
Andreas Rumpf 2016-08-10 11:13:49 +02:00
commit 25fd9e3c89
1 changed files with 2 additions and 0 deletions
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compiler/lowerings.nim
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@ -578,6 +578,8 @@ proc wrapProcForSpawn*(owner: PSym; spawnExpr: PNode; retType: PType;
var fn = n.sons[0] var fn = n.sons[0]
# templates and macros are in fact valid here due to the nature of # templates and macros are in fact valid here due to the nature of
# the transformation: # the transformation:
if fn.kind == nkClosure:
localError(n.info, "closure in spawn environment is not allowed")
if not (fn.kind == nkSym and fn.sym.kind in {skProc, skTemplate, skMacro, if not (fn.kind == nkSym and fn.sym.kind in {skProc, skTemplate, skMacro,
skMethod, skConverter}): skMethod, skConverter}):
# for indirect calls we pass the function pointer in the scratchObj # for indirect calls we pass the function pointer in the scratchObj