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Merge pull request #870 from barcharcraz/templaterr

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Added better error messages for ill-formed generics
This commit is contained in:
zah
2014-02-04 01:17:15 -08:00
parent 96e616198d 7cfec91057
commit 672681dd4b
1 changed files with 5 additions and 1 deletions
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6
compiler/semtypes.nim
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@@ -885,8 +885,12 @@ proc semGeneric(c: PContext, n: PNode, s: PSym, prev: PType): PType =
for i in countup(1, sonsLen(n)-1):
var elem = semGenericParamInInvokation(c, n.sons[i])
addToResult(elem)
elif s.typ.kind != tyGenericBody:
#we likely got code of the form TypeA[TypeB] where TypeA is
#not generic.
localError(n.info, errNoGenericParamsAllowedForX, s.name.s)
return newOrPrevType(tyError, prev, c)
else:
internalAssert s.typ.kind == tyGenericBody
var m = newCandidate(c, s, n)
matches(c, n, copyTree(n), m)