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bugfix: wrong error: not all cases covered with enums with holes

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This commit is contained in:
Andreas Rumpf 2010-03-09 21:36:11 +01:00
commit 7dff3e64bb
3 changed files with 25 additions and 3 deletions
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9
rod/semstmts.nim
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@ -136,6 +136,13 @@ proc semWhile(c: PContext, n: PNode): PNode =
dec(c.p.nestedLoopCounter)
closeScope(c.tab)
proc toCover(t: PType): biggestInt =
var t2 = skipTypes(t, abstractVarRange)
if t2.kind == tyEnum and enumHasWholes(t2):
result = sonsLen(t2.n)
else:
result = lengthOrd(skipTypes(t, abstractVar))
proc semCase(c: PContext, n: PNode): PNode =
# check selector:
result = n
@ -169,7 +176,7 @@ proc semCase(c: PContext, n: PNode): PNode =
checkSonsLen(x, 1)
x.sons[0] = semStmtScope(c, x.sons[0])
else: illFormedAst(x)
if chckCovered and (covered != lengthOrd(n.sons[0].typ)):
if chckCovered and (covered != toCover(n.sons[0].typ)):
liMessage(n.info, errNotAllCasesCovered)
closeScope(c.tab)