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'var T' for iterators

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Araq 2011-07-31 22:39:17 +02:00
commit 3e806a374a
7 changed files with 79 additions and 11 deletions
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10
compiler/transf.nim
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@ -502,9 +502,15 @@ proc transformFor(c: PTransf, n: PNode): PTransNode =
addVar(v, newSymNode(temp))
add(result, newAsgnStmt(c, newSymNode(temp), arg.ptransNode))
IdNodeTablePut(newC.mapping, formal, newSymNode(temp))
of paVarAsgn:
of paVarAsgn:
assert(skipTypes(formal.typ, abstractInst).kind == tyVar)
InternalError(arg.info, "not implemented: pass to var parameter")
# XXX why is this even necessary?
var b = newNodeIT(nkHiddenAddr, arg.info, formal.typ)
b.add(arg)
arg = b
IdNodeTablePut(newC.mapping, formal, arg)
# XXX BUG still not correct if the arg has a side effect!
#InternalError(arg.info, "not implemented: pass to var parameter")
var body = newC.owner.ast.sons[codePos]
pushInfoContext(n.info)
inc(c.inlining)