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allow macros to produce nnkGotoState and nkState

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This commit is contained in:
Andreas Rumpf 2017-10-09 21:11:53 +02:00
commit d8746398c4
3 changed files with 9 additions and 2 deletions
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4
compiler/semexprs.nim
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@ -2357,6 +2357,10 @@ proc semExpr(c: PContext, n: PNode, flags: TExprFlags = {}): PNode =
if not n.sons[0].typ.isEmptyType and not implicitlyDiscardable(n.sons[0]):
localError(n.info, errGenerated, "'defer' takes a 'void' expression")
#localError(n.info, errGenerated, "'defer' not allowed in this context")
of nkGotoState, nkState:
if n.len != 1 and n.len != 2: illFormedAst(n)
for i in 0 ..< n.len:
n.sons[i] = semExpr(c, n.sons[i])
else:
localError(n.info, errInvalidExpressionX,
renderTree(n, {renderNoComments}))