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implemented region pointers

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This commit is contained in:
Araq 2014-04-09 00:33:51 +02:00
commit 4196757de7
14 changed files with 83 additions and 40 deletions
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8
compiler/semexprs.nim
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@ -155,8 +155,8 @@ proc checkConvertible(c: PContext, castDest, src: PType): TConvStatus =
var d = skipTypes(castDest, abstractVar)
var s = skipTypes(src, abstractVar-{tyTypeDesc})
while (d != nil) and (d.kind in {tyPtr, tyRef}) and (d.kind == s.kind):
d = base(d)
s = base(s)
d = d.lastSon
s = s.lastSon
if d == nil:
result = convNotLegal
elif d.kind == tyObject and s.kind == tyObject:
@ -930,7 +930,7 @@ proc makeDeref(n: PNode): PNode =
var a = result
result = newNodeIT(nkHiddenDeref, n.info, t.sons[0])
addSon(result, a)
t = skipTypes(t.sons[0], {tyGenericInst})
t = skipTypes(t.lastSon, {tyGenericInst})
const
tyTypeParamsHolders = {tyGenericInst, tyCompositeTypeClass}
@ -1072,7 +1072,7 @@ proc semDeref(c: PContext, n: PNode): PNode =
result = n
var t = skipTypes(n.sons[0].typ, {tyGenericInst, tyVar})
case t.kind
of tyRef, tyPtr: n.typ = t.sons[0]
of tyRef, tyPtr: n.typ = t.lastSon
else: result = nil
#GlobalError(n.sons[0].info, errCircumNeedsPointer)