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Fix dispatcher creation for method prototypes.

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When method prototypes were involved (e.g. forward declarations
for mutual recursion), calls were sometimes dispatched to the
wrong method implementation. One of the reasons was that method
dispatchers were then not always attached to method ASTs in
the correct place.
This commit is contained in:
Reimer Behrends 2014-11-02 23:35:41 +01:00
commit ce9a57fcfd
3 changed files with 92 additions and 28 deletions
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7
compiler/transf.nim
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@ -625,10 +625,9 @@ proc transformCall(c: PTransf, n: PNode): PTransNode =
# use the dispatcher for the call:
if s.sons[0].kind == nkSym and s.sons[0].sym.kind == skMethod:
let t = lastSon(s.sons[0].sym.ast)
if t.kind == nkSym and sfDispatcher in t.sym.flags:
result = methodCall(s).PTransNode
else:
result = s.PTransNode
if t.kind != nkSym or sfDispatcher notin t.sym.flags:
methodDef(s.sons[0].sym, false)
result = methodCall(s).PTransNode
else:
result = s.PTransNode