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move recursion check up to fix tectype regression

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This commit is contained in:
Araq
2016-11-29 11:27:18 +01:00
parent 1c20046f28
commit a173703015
1 changed files with 7 additions and 5 deletions
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12
compiler/ccgtypes.nim
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@@ -565,17 +565,19 @@ const
proc getTypeDescAux(m: BModule, origTyp: PType, check: var IntSet): Rope =
# returns only the type's name
var t = origTyp.skipTypes(irrelevantForBackend)
if t.sym != nil: useHeader(m, t.sym)
if t != origTyp and origTyp.sym != nil: useHeader(m, origTyp.sym)
let sig = hashType(origTyp)
result = getTypePre(m, t, sig)
if result != nil: return
if containsOrIncl(check, t.id):
if not (isImportedCppType(origTyp) or isImportedCppType(t)):
internalError("cannot generate C type for: " & typeToString(origTyp))
# XXX: this BUG is hard to fix -> we need to introduce helper structs,
# but determining when this needs to be done is hard. We should split
# C type generation into an analysis and a code generation phase somehow.
if t.sym != nil: useHeader(m, t.sym)
if t != origTyp and origTyp.sym != nil: useHeader(m, origTyp.sym)
let sig = hashType(origTyp)
result = getTypePre(m, t, sig)
if result != nil:
excl(check, t.id)
return
case t.kind
of tyRef, tyPtr, tyVar:
var star = if t.kind == tyVar and tfVarIsPtr notin origTyp.flags and