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Restore the Nim's 0.14 proper handling of generic aliases

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A more efficient implementation is possible by restoring the old
lifting ot tyGenericInvocation to tyGenericInst in liftTypeParam,
but this fix will suffice for now.

fixes #5087
fixes #5602
fixes #5641
fixes #5570
This commit is contained in:
Zahary Karadjov 2017-04-07 23:18:14 +03:00
commit e9a3ffbc3d
12 changed files with 236 additions and 55 deletions
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6
compiler/vm.nim
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@ -1606,6 +1606,12 @@ proc setupMacroParam(x: PNode, typ: PType): TFullReg =
n.typ = x.typ
result.node = n
iterator genericParamsInMacroCall*(macroSym: PSym, call: PNode): (PSym, PNode) =
let gp = macroSym.ast[genericParamsPos]
for i in 0 .. <gp.len:
let idx = macroSym.typ.len + i
yield (gp[i].sym, call.sons[idx])
var evalMacroCounter: int
proc evalMacroCall*(module: PSym; cache: IdentCache, n, nOrig: PNode,