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closure iterators almost work

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This commit is contained in:
Araq 2014-01-23 01:41:26 +01:00
commit 3f87326247
2 changed files with 190 additions and 192 deletions
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12
compiler/transf.nim
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@ -113,8 +113,8 @@ proc newAsgnStmt(c: PTransf, le: PNode, ri: PTransNode): PTransNode =
result[1] = ri
proc transformSymAux(c: PTransf, n: PNode): PNode =
if n.sym.kind == skIterator and n.sym.typ.callConv == ccClosure:
return liftIterSym(n)
#if n.sym.kind == skIterator and n.sym.typ.callConv == ccClosure:
# return liftIterSym(n)
var b: PNode
var tc = c.transCon
if sfBorrow in n.sym.flags:
@ -636,8 +636,8 @@ proc transform(c: PTransf, n: PNode): PTransNode =
s.ast.sons[bodyPos] = n.sons[bodyPos]
#n.sons[bodyPos] = liftLambdas(s, n)
#if n.kind == nkMethodDef: methodDef(s, false)
if n.kind == nkIteratorDef and n.typ != nil:
return liftIterSym(n.sons[namePos]).PTransNode
#if n.kind == nkIteratorDef and n.typ != nil:
# return liftIterSym(n.sons[namePos]).PTransNode
result = PTransNode(n)
of nkMacroDef:
# XXX no proper closure support yet:
@ -741,8 +741,8 @@ proc transformBody*(module: PSym, n: PNode, prc: PSym): PNode =
var c = openTransf(module, "")
result = processTransf(c, n, prc)
result = liftLambdas(prc, result)
if prc.kind == skIterator and prc.typ.callConv == ccClosure:
result = lambdalifting.liftIterator(prc, result)
#if prc.kind == skIterator and prc.typ.callConv == ccClosure:
# result = lambdalifting.liftIterator(prc, result)
incl(result.flags, nfTransf)
when useEffectSystem: trackProc(prc, result)