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first steps for varargs support

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This commit is contained in:
Araq 2012-08-13 18:51:06 +02:00
commit 8805829d7f
3 changed files with 17 additions and 2 deletions
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15
compiler/semtypes.nim
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@ -106,6 +106,17 @@ proc semContainer(c: PContext, n: PNode, kind: TTypeKind, kindStr: string,
LocalError(n.info, errXExpectsOneTypeParam, kindStr)
addSonSkipIntLit(result, errorType(c))
proc semVarargs(c: PContext, n: PNode, prev: PType): PType =
result = newOrPrevType(tyVarargs, prev, c)
if sonsLen(n) == 2 or sonsLen(n) == 3:
var base = semTypeNode(c, n.sons[1], nil)
addSonSkipIntLit(result, base)
if sonsLen(n) == 3:
result.n = newIdentNode(considerAcc(n.sons[2]), n.sons[2].info)
else:
LocalError(n.info, errXExpectsOneTypeParam, "varargs")
addSonSkipIntLit(result, errorType(c))
proc semAnyRef(c: PContext, n: PNode, kind: TTypeKind, prev: PType): PType =
if sonsLen(n) == 1:
result = newOrPrevType(kind, prev, c)
@ -823,6 +834,7 @@ proc semTypeNode(c: PContext, n: PNode, prev: PType): PType =
of mSet: result = semSet(c, n, prev)
of mOrdinal: result = semOrdinal(c, n, prev)
of mSeq: result = semContainer(c, n, tySequence, "seq", prev)
of mVarargs: result = semVarargs(c, n, prev)
else: result = semGeneric(c, n, s, prev)
of nkIdent, nkDotExpr, nkAccQuoted:
var s = semTypeIdent(c, n)
@ -916,7 +928,8 @@ proc processMagicType(c: PContext, m: PSym) =
of mTypeDesc: setMagicType(m, tyTypeDesc, 0)
of mVoidType: setMagicType(m, tyEmpty, 0)
of mArray: setMagicType(m, tyArray, 0)
of mOpenArray: setMagicType(m, tyOpenArray, 0)
of mOpenArray: setMagicType(m, tyOpenArray, 0)
of mVarargs: setMagicType(m, tyVarargs, 0)
of mRange: setMagicType(m, tyRange, 0)
of mSet: setMagicType(m, tySet, 0)
of mSeq: setMagicType(m, tySequence, 0)