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preparations for language extensions: 'sink' and 'lent' types

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This commit is contained in:
Andreas Rumpf 2018-01-07 23:09:26 +01:00
commit e4081a7201
34 changed files with 183 additions and 178 deletions
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8
compiler/destroyer.nim
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@ -174,7 +174,7 @@ proc patchHead(n: PNode) =
if n[1].typ.isNil:
# XXX toptree crashes without this workaround. Figure out why.
return
let t = n[1].typ.skipTypes({tyVar, tyGenericInst, tyAlias, tyInferred})
let t = n[1].typ.skipTypes({tyVar, tyLent, tyGenericInst, tyAlias, tySink, tyInferred})
template patch(op, field) =
if s.name.s == op and field != nil and field != s:
n.sons[0].sym = field
@ -198,15 +198,15 @@ template genOp(opr, opname) =
result = newTree(nkCall, newSymNode(op), newTree(nkHiddenAddr, dest))
proc genSink(t: PType; dest: PNode): PNode =
let t = t.skipTypes({tyGenericInst, tyAlias})
let t = t.skipTypes({tyGenericInst, tyAlias, tySink})
genOp(if t.sink != nil: t.sink else: t.assignment, "=sink")
proc genCopy(t: PType; dest: PNode): PNode =
let t = t.skipTypes({tyGenericInst, tyAlias})
let t = t.skipTypes({tyGenericInst, tyAlias, tySink})
genOp(t.assignment, "=")
proc genDestroy(t: PType; dest: PNode): PNode =
let t = t.skipTypes({tyGenericInst, tyAlias})
let t = t.skipTypes({tyGenericInst, tyAlias, tySink})
genOp(t.destructor, "=destroy")
proc addTopVar(c: var Con; v: PNode) =