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first steps to working closures

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This commit is contained in:
Araq 2012-06-03 10:10:38 +02:00
commit 5f527769ee
3 changed files with 24 additions and 19 deletions
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14
compiler/transf.nim
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@ -279,7 +279,7 @@ proc transformBreak(c: PTransf, n: PNode): PTransNode =
result[0] = newSymNode(labl).PTransNode
proc transformLoopBody(c: PTransf, n: PNode): PTransNode =
# XXX BUG: What if it contains "continue" and "break"? "break" needs
# What if it contains "continue" and "break"? "break" needs
# an explicit label too, but not the same!
# We fix this here by making every 'break' belong to its enclosing loop
@ -638,17 +638,7 @@ proc transform(c: PTransf, n: PNode): PTransNode =
# nothing to be done for leaves:
result = PTransNode(n)
of nkBracketExpr: result = transformArrayAccess(c, n)
of procDefs:
if c.nestedProcs == 0:
inc c.nestedProcs
result = transformProc(c, n)
dec c.nestedProcs
else:
result = PTransNode(n)
if n.sons[namePos].kind == nkSym:
let x = transformSym(c, n.sons[namePos])
if x.pnode.kind == nkClosure: result = x
of nkMacroDef:
of procDefs, nkMacroDef:
# XXX no proper closure support yet:
if n.sons[genericParamsPos].kind == nkEmpty:
var s = n.sons[namePos].sym