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var tuple unpacking works at compile time

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This commit is contained in:
Araq 2013-06-28 08:40:49 +02:00
commit 2ca05eeb16
4 changed files with 54 additions and 40 deletions
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11
compiler/semstmts.nim
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@ -380,11 +380,11 @@ proc semVarOrLet(c: PContext, n: PNode, symkind: TSymKind): PNode =
# side of the '=':
if warnShadowIdent in gNotes and not identWithin(def, v.name):
Message(a.info, warnShadowIdent, v.name.s)
if def != nil and def.kind != nkEmpty:
# this is needed for the evaluation pass and for the guard checking:
v.ast = def
if sfThread in v.flags: LocalError(def.info, errThreadvarCannotInit)
if a.kind != nkVarTuple:
if def != nil and def.kind != nkEmpty:
# this is needed for the evaluation pass and for the guard checking:
v.ast = def
if sfThread in v.flags: LocalError(def.info, errThreadvarCannotInit)
v.typ = typ
b = newNodeI(nkIdentDefs, a.info)
if importantComments():
@ -394,7 +394,8 @@ proc semVarOrLet(c: PContext, n: PNode, symkind: TSymKind): PNode =
addSon(b, a.sons[length-2]) # keep type desc for doc generator
addSon(b, copyTree(def))
addSon(result, b)
else:
else:
if def.kind == nkPar: v.ast = def[j]
v.typ = tup.sons[j]
b.sons[j] = newSymNode(v)
checkNilable(v)