diff options
Diffstat (limited to 'compiler/semstmts.nim')
-rw-r--r-- | compiler/semstmts.nim | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/compiler/semstmts.nim b/compiler/semstmts.nim index 63b3382a8..d493364ea 100644 --- a/compiler/semstmts.nim +++ b/compiler/semstmts.nim @@ -2019,6 +2019,9 @@ proc semProcAux(c: PContext, n: PNode, kind: TSymKind, s.ast = n s.options = c.config.options #s.scope = c.currentScope + if s.kind in {skMacro, skTemplate}: + # push noalias flag at first to prevent unwanted recursive calls: + incl(s.flags, sfNoalias) # before compiling the proc params & body, set as current the scope # where the proc was declared @@ -2335,16 +2338,16 @@ proc semMacroDef(c: PContext, n: PNode): PNode = var s = result[namePos].sym var t = s.typ var allUntyped = true - var requiresParams = false + var nullary = true for i in 1..<t.n.len: let param = t.n[i].sym if param.typ.kind != tyUntyped: allUntyped = false # no default value, parameters required in call - if param.ast == nil: requiresParams = true + if param.ast == nil: nullary = false if allUntyped: incl(s.flags, sfAllUntyped) - if requiresParams or n[genericParamsPos].kind != nkEmpty: - # macro cannot be called with alias syntax - incl(s.flags, sfNoalias) + if nullary and n[genericParamsPos].kind == nkEmpty: + # macro can be called with alias syntax, remove pushed noalias flag + excl(s.flags, sfNoalias) if n[bodyPos].kind == nkEmpty: localError(c.config, n.info, errImplOfXexpected % s.name.s) |