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fixes #12193 (#12199)

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Andreas Rumpf 2019-09-16 15:38:07 +02:00 • committed by GitHub
commit 059a16b34d
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2 changed files with 19 additions and 2 deletions
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3
compiler/semtempl.nim
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@ -639,8 +639,7 @@ proc semTemplateDef(c: PContext, n: PNode): PNode =
for i in 1 .. s.typ.n.len-1: for i in 1 .. s.typ.n.len-1:
let param = s.typ.n.sons[i].sym let param = s.typ.n.sons[i].sym
param.flags.incl sfTemplateParam param.flags.incl sfTemplateParam
if optNimV019 in c.config.globalOptions: param.flags.excl sfGenSym
param.flags.excl sfGenSym
if param.typ.kind != tyUntyped: allUntyped = false if param.typ.kind != tyUntyped: allUntyped = false
if len(gp) > 0: if len(gp) > 0:
if n.sons[genericParamsPos].kind == nkEmpty: if n.sons[genericParamsPos].kind == nkEmpty:

18
tests/template/tgensymregression.nim
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@ -70,3 +70,21 @@ macro makeProc(): typed =
makeProc() makeProc()
someProc() someProc()
# bug #12193
import macros, strutils
macro gen(T: typedesc): untyped =
let typeSym = getTypeImpl(T)[1]
let param = genSym(nskParam, "s")
let value = nnkBracketExpr.newTree(param, newIntLitNode(0))
result = newProc(
name = ident"pack",
params = [typeSym,
newIdentDefs(param, nnkBracketExpr.newTree(ident"seq", ident"string"))],
body = newStmtList(newCall(typeSym, newCall(bindSym"parseInt", value))),
procType = nnkTemplateDef)
echo repr result
gen(int)
let i = pack(@["2"])