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optimized evals.nim a bit

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Araq
2013-04-07 03:23:15 +02:00
parent beb13ecf62
commit 0b1630b46c
1 changed files with 8 additions and 8 deletions
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16
compiler/evals.nim
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@@ -294,10 +294,11 @@ proc evalVar(c: PEvalContext, n: PNode): PNode =
if a.kind != nkIdentDefs: return raiseCannotEval(c, n.info)
# XXX var (x, y) = z support?
#assert(a.sons[0].kind == nkSym) can happen for transformed vars
if a.sons[2].kind != nkEmpty:
result = evalAux(c, a.sons[2], {})
if isSpecial(result): return
else:
if a.sons[2].kind != nkEmpty:
# XXX copyTree could be avoided in some cases
result = evalAux(c, a.sons[2], {}).copyTree
if isSpecial(result): return
else:
result = getNullValue(a.sons[0].typ, a.sons[0].info)
if a.sons[0].kind == nkSym:
var v = a.sons[0].sym
@@ -1351,10 +1352,9 @@ proc evalAux(c: PEvalContext, n: PNode, flags: TEvalFlags): PNode =
case n.kind
of nkSym: result = evalSym(c, n, flags)
of nkType..nkNilLit:
# XXX nkStrLit is VERY common in the traces, so we should avoid
# the 'copyNode' here. However, for now we cannot do this for unknown
# reasons.
result = n.copyNode
# nkStrLit is VERY common in the traces, so we should avoid
# the 'copyNode' here.
result = n #.copyNode
of nkAsgn, nkFastAsgn: result = evalAsgn(c, n)
of nkCommand..nkHiddenCallConv:
result = evalMagicOrCall(c, n)