func main() {
var (
pkgpath = "github.com/metakeule/importer"
// assumes a single GOPATH directory
srcDir = filepath.Join(os.Getenv("GOPATH"), "src", pkgpath)
fset = token.NewFileSet()
astFiles []*ast.File
)
buildPkg, err := build.Import(pkgpath, srcDir, 0)
panicOnErr(err)
astFiles, err = importer.ParseAstFiles(fset, buildPkg.Dir, append(buildPkg.GoFiles, buildPkg.CgoFiles...))
panicOnErr(err)
info, config := mkInfo(), mkConfig()
// here the importer is used with the same config and info settings
config.Importer = importer.CheckImporter(mkInfo, mkConfig)
_, err = (&config).Check(buildPkg.ImportPath, fset, astFiles, &info)
panicOnErr(err)
for ident, obj := range info.Defs {
if ident.IsExported() {
fmt.Printf("%s:\n %s\n", ident.Name, obj.Type())
}
}
}
// panicks on build errors
func (pkg *pack) parse() (err error) {
pkg.astFiles, err = importer.ParseAstFiles(pkg.fset, pkg.buildPkg.Dir, append(pkg.buildPkg.GoFiles, pkg.buildPkg.CgoFiles...))
if err != nil {
return
}
tinfo := mkInfo()
pkg.typesInfo = &tinfo
var conf = mkConfig()
conf.Importer = importer.CheckImporter(mkInfo, mkConfig)
pkg.typesPkg, err = conf.Check(pkg.buildPkg.ImportPath, pkg.fset, pkg.astFiles, pkg.typesInfo)
return
}