func genPkg(odir string, p *bind.Package, lang string) error {
var err error
var o *os.File
switch lang {
case "python", "py":
lang, err = getPythonVersion()
if err != nil {
return err
}
default:
// no-op
}
pyvers := 2
switch lang {
case "python2", "py2":
pyvers = 2
case "python3", "py3":
pyvers = 3
}
if err != nil {
return err
}
switch lang {
case "python2", "py2":
o, err = os.Create(filepath.Join(odir, p.Name()+".c"))
if err != nil {
return err
}
defer o.Close()
err = bind.GenCPython(o, fset, p, 2)
if err != nil {
return err
}
case "python3", "py3":
return fmt.Errorf("gopy: python-3 support not yet implemented")
case "go":
o, err = os.Create(filepath.Join(odir, p.Name()+".go"))
if err != nil {
return err
}
defer o.Close()
err = bind.GenGo(o, fset, p, pyvers)
if err != nil {
return err
}
var tmpdir string
tmpdir, err = ioutil.TempDir("", "gopy-go-cgo-")
if err != nil {
return err
}
defer os.RemoveAll(tmpdir)
hdr := filepath.Join(odir, p.Name()+".h")
cmd := exec.Command(
"go", "tool", "cgo",
"-exportheader", hdr,
o.Name(),
)
cmd.Dir = tmpdir
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
err = cmd.Run()
if err != nil {
return err
}
default:
return fmt.Errorf("unknown target language: %q\n", lang)
}
if err != nil {
if list, _ := err.(bind.ErrorList); len(list) > 0 {
for _, err := range list {
log.Printf("%v\n", err)
}
} else {
log.Printf("%v\n", err)
}
}
if err != nil {
return err
}
err = o.Close()
if err != nil {
return err
}
return err
}
func genPkg(odir string, pkg *build.Package, lang string) error {
var err error
var o *os.File
files, err := parseFiles(pkg.Dir, pkg.GoFiles)
if err != nil {
return err
}
conf := loader.Config{
Fset: fset,
}
conf.TypeChecker.Error = func(e error) {
log.Printf("%v\n", e)
err = e
}
p, err := newPackage(files, &conf, pkg)
if err != nil {
log.Printf("%v\n", err)
return err
}
switch lang {
case "python", "py":
o, err = os.Create(filepath.Join(odir, p.Name()+".c"))
if err != nil {
return err
}
defer o.Close()
err = bind.GenCPython(o, fset, p)
if err != nil {
return err
}
case "go":
o, err = os.Create(filepath.Join(odir, p.Name()+".go"))
if err != nil {
return err
}
defer o.Close()
err = bind.GenGo(o, fset, p)
if err != nil {
return err
}
var tmpdir string
tmpdir, err = ioutil.TempDir("", "gopy-go-cgo-")
if err != nil {
return err
}
defer os.RemoveAll(tmpdir)
hdr := filepath.Join(odir, p.Name()+".h")
cmd := exec.Command(
"go", "tool", "cgo",
"-exportheader", hdr,
o.Name(),
)
cmd.Dir = tmpdir
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
err = cmd.Run()
if err != nil {
return err
}
default:
return fmt.Errorf("unknown target language: %q\n", lang)
}
if err != nil {
if list, _ := err.(bind.ErrorList); len(list) > 0 {
for _, err := range list {
log.Printf("%v\n", err)
}
} else {
log.Printf("%v\n", err)
}
}
if err != nil {
return err
}
err = o.Close()
if err != nil {
return err
}
return err
}
