}

	// parse files
	files, errlist := parseFiles(t, filenames, srcs, parser.AllErrors)
	pkgName := "<no package>"
	if len(files) > 0 {
		pkgName = files[0].Name.Name
	}
	listErrors := manual && !*verifyErrors
	if listErrors && len(errlist) > 0 {
		t.Errorf("--- %s:", pkgName)
		for _, err := range errlist {
			t.Error(err)
		}
	}

	// set up typechecker
	var conf Config

			return ast.NewIdent(t.Obj().Name())
		}
		pkgName := t.Obj().Pkg().Name()

		// If the file already imports the package under another name, use that.
		for _, cand := range f.Imports {
			if path, _ := strconv.Unquote(cand.Path.Value); path == t.Obj().Pkg().Path() {
				if cand.Name != nil && cand.Name.Name != "" {
					pkgName = cand.Name.Name
				}
			}
		}
		if pkgName == "." {
			return ast.NewIdent(t.Obj().Name())

	// pkgpaths records all package import paths encountered while
	// visiting coverage data files (used to implement the "pkglist"
	// subcommand).
	pkgpaths map[string]struct{}

	// Current package name and import path.
	pkgName       string
	pkgImportPath string

	// Module path for current package (may be empty).
	modulePath string

	// Dump subcommand (ex: "textfmt", "debugdump", etc).
	cmd string

//
// Precondition: the Defs and Implicts maps are populated.
func (info *Info) PkgNameOf(imp *syntax.ImportDecl) *PkgName {
	var obj Object
	if imp.LocalPkgName != nil {
		obj = info.Defs[imp.LocalPkgName]
	} else {
		obj = info.Implicits[imp]
	}
	pkgname, _ := obj.(*PkgName)
	return pkgname
}

// TypeAndValue reports the type and value (for constants)
// of the corresponding expression.

pkg go/types, method (*PkgName) Exported() bool
pkg go/types, method (*PkgName) Id() string
pkg go/types, method (*PkgName) Imported() *Package
pkg go/types, method (*PkgName) Name() string
pkg go/types, method (*PkgName) Parent() *Scope
pkg go/types, method (*PkgName) Pkg() *Package
pkg go/types, method (*PkgName) Pos() token.Pos
pkg go/types, method (*PkgName) String() string

		return false
	}
	switch sel.Sel.Name {
	case "WithCancel", "WithTimeout", "WithDeadline":
	default:
		return false
	}
	if x, ok := sel.X.(*ast.Ident); ok {
		if pkgname, ok := info.Uses[x].(*types.PkgName); ok {
			return pkgname.Imported().Path() == contextPackage
		}
		// Import failed, so we can't check package path.
		// Just check the local package name (heuristic).
		return x.Name == "context"
	}

	// (This code is only needed for dot-imports. Without them,
	// we only have to mark variables, see *Var case below).
	if pkgName := check.dotImportMap[dotImportKey{scope, obj.Name()}]; pkgName != nil {
		pkgName.used = true
	}

	switch obj := obj.(type) {
	case *PkgName:
		check.errorf(e, InvalidPkgUse, "use of package %s not in selector", obj.name)
		return

	case *Const:
		check.addDeclDep(obj)

		file, err := syntax.Parse(nil, strings.NewReader(src), errh, nil, 0)
		if err != nil {
			t.Fatalf("%s: %v (invalid test case)", body, err)
		}

		// type check
		var conf Config
		pkg, err := conf.Check(file.PkgName.Value, []*syntax.File{file}, nil)
		if err != nil {
			t.Fatalf("%s: %v (invalid test case)", body, err)
		}

		// lookup T
		obj := pkg.scope.Lookup("T")
		if obj == nil {

}

func TestTypeParser(t *testing.T) {
	for _, test := range typeParserTests {
		var p parser
		p.init("test.gox", strings.NewReader(test.typ), make(map[string]*types.Package))
		p.version = "v2"
		p.pkgname = test.id
		p.pkgpath = test.id
		p.maybeCreatePackage()
		typ := p.parseType(p.pkg)

		if p.tok != scanner.EOF {
			t.Errorf("expected full parse, stopped at %q", p.lit)
		}

	m := make(map[string]*goDirPkg)
	for _, file := range files {
		name := file.Name()
		pkgname, err := getPackageNameFromSource(filepath.Join(dir, name))
		if err != nil {
			t.Fatal(err)
		}
		p, ok := m[pkgname]
		if singlefilepkgs || !ok {
			p = &goDirPkg{name: pkgname}
			pkgs = append(pkgs, p)
			m[pkgname] = p
		}
		p.files = append(p.files, name)
	}
	return pkgs
}