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equality and hashing for closures

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This commit is contained in:
Araq 2012-07-17 17:26:02 +02:00
commit 832da8a303
7 changed files with 31 additions and 11 deletions
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12
compiler/semfold.nim
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@ -604,9 +604,15 @@ proc getConstExpr(m: PSym, n: PNode): PNode =
result = magicCall(m, n)
of mIs:
# BUGFIX: don't evaluate this too early: ``T is void``
if not containsGenericType(n[1].typ) and
not containsGenericType(n[2].typ):
result = newIntNodeT(ord(sameType(n[1].typ, n[2].typ)), n)
if not containsGenericType(n[1].typ):
if n[2].kind in {nkStrLit..nkTripleStrLit}:
case n[2].strVal.normalize
of "closure":
let t = skipTypes(n[1].typ, abstractRange)
result = newIntNodeT(ord(t.kind == tyProc and
t.callConv == ccClosure), n)
elif not containsGenericType(n[2].typ):
result = newIntNodeT(ord(sameType(n[1].typ, n[2].typ)), n)
of mAstToStr:
result = newStrNodeT(renderTree(n[1], {renderNoComments}), n)
of mConStrStr: