diff options
Diffstat (limited to 'src/cmd/compile/internal/gc/dcl.go')
| -rw-r--r-- | src/cmd/compile/internal/gc/dcl.go | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/src/cmd/compile/internal/gc/dcl.go b/src/cmd/compile/internal/gc/dcl.go index cd64d9a7bf..69eb13f607 100644 --- a/src/cmd/compile/internal/gc/dcl.go +++ b/src/cmd/compile/internal/gc/dcl.go @@ -90,7 +90,7 @@ func declare(n *Node, ctxt Class) { lineno = n.Pos Fatalf("automatic outside function") } - if Curfn != nil { + if Curfn != nil && ctxt != PFUNC { Curfn.Func.Dcl = append(Curfn.Func.Dcl, n) } if n.Op == OTYPE { @@ -297,6 +297,16 @@ func oldname(s *types.Sym) *Node { return n } +// importName is like oldname, but it reports an error if sym is from another package and not exported. +func importName(sym *types.Sym) *Node { + n := oldname(sym) + if !types.IsExported(sym.Name) && sym.Pkg != localpkg { + n.SetDiag(true) + yyerror("cannot refer to unexported name %s.%s", sym.Pkg.Name, sym.Name) + } + return n +} + // := declarations func colasname(n *Node) bool { switch n.Op { @@ -975,10 +985,14 @@ func makefuncsym(s *types.Sym) { } } -// disableExport prevents sym from being included in package export -// data. To be effectual, it must be called before declare. -func disableExport(sym *types.Sym) { - sym.SetOnExportList(true) +// setNodeNameFunc marks a node as a function. +func setNodeNameFunc(n *Node) { + if n.Op != ONAME || n.Class() != Pxxx { + Fatalf("expected ONAME/Pxxx node, got %v", n) + } + + n.SetClass(PFUNC) + n.Sym.SetFunc(true) } func dclfunc(sym *types.Sym, tfn *Node) *Node { @@ -990,7 +1004,7 @@ func dclfunc(sym *types.Sym, tfn *Node) *Node { fn.Func.Nname = newfuncnamel(lineno, sym) fn.Func.Nname.Name.Defn = fn fn.Func.Nname.Name.Param.Ntype = tfn - declare(fn.Func.Nname, PFUNC) + setNodeNameFunc(fn.Func.Nname) funchdr(fn) fn.Func.Nname.Name.Param.Ntype = typecheck(fn.Func.Nname.Name.Param.Ntype, ctxType) return fn |