continue
		}

		// extract Implicits entry, if any
		var got string
		for n, obj := range info.Implicits {
			switch x := n.(type) {
			case *ast.ImportSpec:
				got = "importSpec"
			case *ast.CaseClause:
				got = "caseClause"
			case *ast.Field:
				got = "field"
			default:
				t.Fatalf("package %s: unexpected %T", name, x)
			}
			got += ": " + obj.String()

	// Ordinary identifier scopes
	pkgScope   *ast.Scope        // pkgScope.Outer == nil
	topScope   *ast.Scope        // top-most scope; may be pkgScope
	unresolved []*ast.Ident      // unresolved identifiers
	imports    []*ast.ImportSpec // list of imports

	// Label scope
	// (maintained by open/close LabelScope)
	labelScope  *ast.Scope     // label scope for current function
	targetStack [][]*ast.Ident // stack of unresolved labels
}

	// Non-syntactic parser control
	exprLev int  // < 0: in control clause, >= 0: in expression
	inRhs   bool // if set, the parser is parsing a rhs expression

	imports []*ast.ImportSpec // list of imports

	// nestLev is used to track and limit the recursion depth
	// during parsing.
	nestLev int
}

func (p *parser) init(fset *token.FileSet, filename string, src []byte, mode Mode) {

		{`package p2; import . "fmt"; var _ = Println`, ""},           // no Implicits entry
		{`package p0; import local "fmt"; var _ = local.Println`, ""}, // no Implicits entry
		{`package p1; import "fmt"; var _ = fmt.Println`, "importSpec: package fmt"},

		{`package p3; func f(x interface{}) { switch x.(type) { case int: } }`, ""}, // no Implicits entry
		{`package p4; func f(x interface{}) { switch t := x.(type) { case int: _ = t } }`, "caseClause: var t int"},

// multi-line identifier lists in the spec are indented when the first
// linebreak is encountered.
func (p *printer) spec(spec ast.Spec, n int, doIndent bool) {
	switch s := spec.(type) {
	case *ast.ImportSpec:
		p.setComment(s.Doc)
		if s.Name != nil {
			p.expr(s.Name)
			p.print(blank)
		}
		p.expr(sanitizeImportPath(s.Path))
		p.setComment(s.Comment)
		p.setPos(s.EndPos)

			if x := f(g); x != nil {
				list = append(list, x)
			}
			return false
		})
	} else {
		if x := f(nil); x != nil {
			list = append(list, x)
		}
	}
	return list
}

// ImportSpec = [ "." | PackageName ] ImportPath .
// ImportPath = string_lit .
func (p *parser) importDecl(group *Group) Decl {
	if trace {
		defer p.trace("importDecl")()
	}

	d := new(ImportDecl)
	d.pos = p.pos()