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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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2
compiler/ast.nim
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@ -421,7 +421,7 @@ type
mSwap, mIsNil, mArrToSeq, mCopyStr, mCopyStrLast,
mNewString, mNewStringOfCap,
mReset,
mArray, mOpenArray, mRange, mSet, mSeq,
mArray, mOpenArray, mRange, mSet, mSeq, mVarargs,
mOrdinal,
mInt, mInt8, mInt16, mInt32, mInt64,
mUInt, mUInt8, mUInt16, mUInt32, mUInt64,

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)