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introduce nkTupleConstr AST node for unary tuple construction; breaking change

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This commit is contained in:
Andreas Rumpf 2018-04-13 17:06:46 +02:00
commit 47335aab41
26 changed files with 91 additions and 56 deletions
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6
compiler/vmgen.nim
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@ -1560,7 +1560,7 @@ proc getNullValue(typ: PType, info: TLineInfo): PNode =
if t.callConv != ccClosure:
result = newNodeIT(nkNilLit, info, t)
else:
result = newNodeIT(nkPar, info, t)
result = newNodeIT(nkTupleConstr, info, t)
result.add(newNodeIT(nkNilLit, info, t))
result.add(newNodeIT(nkNilLit, info, t))
of tyObject:
@ -1577,7 +1577,7 @@ proc getNullValue(typ: PType, info: TLineInfo): PNode =
for i in countup(0, int(lengthOrd(t)) - 1):
addSon(result, getNullValue(elemType(t), info))
of tyTuple:
result = newNodeIT(nkPar, info, t)
result = newNodeIT(nkTupleConstr, info, t)
for i in countup(0, sonsLen(t) - 1):
addSon(result, getNullValue(t.sons[i], info))
of tySet:
@ -1884,7 +1884,7 @@ proc gen(c: PCtx; n: PNode; dest: var TDest; flags: TGenFlags = {}) =
of nkBracket: genArrayConstr(c, n, dest)
of nkCurly: genSetConstr(c, n, dest)
of nkObjConstr: genObjConstr(c, n, dest)
of nkPar, nkClosure: genTupleConstr(c, n, dest)
of nkPar, nkClosure, nkTupleConstr: genTupleConstr(c, n, dest)
of nkCast:
if allowCast in c.features:
genConv(c, n, n.sons[1], dest, opcCast)