func genPkg(pkg *build.Package) {
files := parseFiles(pkg.Dir, pkg.GoFiles)
if len(files) == 0 {
return // some error has been reported
}
conf := loader.Config{
Fset: fset,
AllowErrors: true,
}
conf.TypeChecker.IgnoreFuncBodies = true
conf.TypeChecker.FakeImportC = true
conf.TypeChecker.DisableUnusedImportCheck = true
var tcErrs []error
conf.TypeChecker.Error = func(err error) {
tcErrs = append(tcErrs, err)
}
conf.CreateFromFiles(pkg.ImportPath, files...)
program, err := conf.Load()
if err != nil {
for _, err := range tcErrs {
errorf("%v", err)
}
errorf("%v", err)
return
}
p := program.Created[0].Pkg
fname := defaultFileName(*lang, p)
switch *lang {
case "java":
w, closer := writer(fname, p)
processErr(bind.GenJava(w, fset, p))
closer()
case "go":
w, closer := writer(fname, p)
processErr(bind.GenGo(w, fset, p))
closer()
case "objc":
if fname == "" {
processErr(bind.GenObjc(os.Stdout, fset, p, true))
processErr(bind.GenObjc(os.Stdout, fset, p, false))
} else {
hname := fname[:len(fname)-2] + ".h"
w, closer := writer(hname, p)
processErr(bind.GenObjc(w, fset, p, true))
closer()
w, closer = writer(fname, p)
processErr(bind.GenObjc(w, fset, p, false))
closer()
}
default:
errorf("unknown target language: %q", *lang)
}
}
func (b *binder) GenGo(outdir string) error {
pkgName := "go_" + b.pkg.Name()
goFile := filepath.Join(outdir, pkgName, pkgName+"main.go")
if buildX {
printcmd("gobind -lang=go %s > %s", b.pkg.Path(), goFile)
}
generate := func(w io.Writer) error {
return bind.GenGo(w, b.fset, b.pkg)
}
if err := writeFile(goFile, generate); err != nil {
return err
}
return nil
}