コード例 #1
0
ファイル: gen.go プロジェクト: pankona/mobile
func genPkg(p *types.Package, allPkg []*types.Package, classes []*java.Class) {
	fname := defaultFileName(*lang, p)
	conf := &bind.GeneratorConfig{
		Fset:   fset,
		Pkg:    p,
		AllPkg: allPkg,
	}
	switch *lang {
	case "java":
		var buf bytes.Buffer
		g := &bind.JavaGen{
			JavaPkg: *javaPkg,
			Generator: &bind.Generator{
				Printer: &bind.Printer{Buf: &buf, IndentEach: []byte("    ")},
				Fset:    conf.Fset,
				AllPkg:  conf.AllPkg,
				Pkg:     conf.Pkg,
			},
		}
		g.Init(classes)

		pkgname := bind.JavaPkgName(*javaPkg, p)
		pkgDir := strings.Replace(pkgname, ".", "/", -1)
		buf.Reset()
		w, closer := writer(filepath.Join(pkgDir, fname))
		processErr(g.GenJava())
		io.Copy(w, &buf)
		closer()
		for i, name := range g.ClassNames() {
			buf.Reset()
			w, closer := writer(filepath.Join(pkgDir, name+".java"))
			processErr(g.GenClass(i))
			io.Copy(w, &buf)
			closer()
		}
		buf.Reset()
		pn := "universe"
		if p != nil {
			pn = p.Name()
		}
		cname := "java_" + pn + ".c"
		w, closer = writer(cname)
		processErr(g.GenC())
		io.Copy(w, &buf)
		closer()
		buf.Reset()
		hname := pn + ".h"
		w, closer = writer(hname)
		processErr(g.GenH())
		io.Copy(w, &buf)
		closer()
		// Generate support files along with the universe package
		if p == nil {
			p, err := build.Default.Import("golang.org/x/mobile/bind", ".", build.ImportComment)
			if err != nil {
				errorf(`"golang.org/x/mobile/bind" is not found; run go get golang.org/x/mobile/bind: %v`)
				return
			}
			repo := filepath.Clean(filepath.Join(p.Dir, "..")) // golang.org/x/mobile directory.
			for _, javaFile := range []string{"Seq.java", "LoadJNI.java"} {
				src := filepath.Join(repo, "bind/java/"+javaFile)
				in, err := os.Open(src)
				if err != nil {
					errorf("failed to open Java support file: %v", err)
				}
				defer in.Close()
				w, closer := writer(filepath.Join("go", javaFile))
				defer closer()
				if _, err := io.Copy(w, in); err != nil {
					errorf("failed to copy Java support file: %v", err)
					return
				}
			}
		}
	case "go":
		w, closer := writer(fname)
		conf.Writer = w
		processErr(bind.GenGo(conf))
		closer()
	case "objc":
		var gohname string
		if p != nil {
			gohname = p.Name() + ".h"
		} else {
			gohname = "GoUniverse.h"
		}
		var buf bytes.Buffer
		g := &bind.ObjcGen{
			Generator: &bind.Generator{
				Printer: &bind.Printer{Buf: &buf, IndentEach: []byte("\t")},
				Fset:    conf.Fset,
				AllPkg:  conf.AllPkg,
				Pkg:     conf.Pkg,
			},
			Prefix: *prefix,
		}
		g.Init(nil)

		w, closer := writer(gohname)
		processErr(g.GenGoH())
		io.Copy(w, &buf)
		closer()
		hname := fname[:len(fname)-2] + ".h"
		w, closer = writer(hname)
		processErr(g.GenH())
		io.Copy(w, &buf)
		closer()
		w, closer = writer(fname)
		conf.Writer = w
		processErr(g.GenM())
		io.Copy(w, &buf)
		closer()
	default:
		errorf("unknown target language: %q", *lang)
	}
}
コード例 #2
0
ファイル: bind.go プロジェクト: pankona/mobile
func (b *binder) GenJava(pkg *types.Package, allPkg []*types.Package, classes []*java.Class, outdir, androidDir string) error {
	jpkgname := bind.JavaPkgName(bindJavaPkg, pkg)
	javadir := filepath.Join(androidDir, strings.Replace(jpkgname, ".", "/", -1))
	var className string
	pkgName := ""
	pkgPath := ""
	javaPkg := ""
	if pkg != nil {
		className = strings.Title(pkg.Name())
		pkgName = pkg.Name()
		pkgPath = pkg.Path()
		javaPkg = bindJavaPkg
	} else {
		pkgName = "universe"
		className = "Universe"
	}
	javaFile := filepath.Join(javadir, className+".java")
	cFile := filepath.Join(outdir, "java_"+pkgName+".c")
	hFile := filepath.Join(outdir, pkgName+".h")
	bindOption := "-lang=java"
	if javaPkg != "" {
		bindOption += " -javapkg=" + javaPkg
	}

	var buf bytes.Buffer
	g := &bind.JavaGen{
		JavaPkg: javaPkg,
		Generator: &bind.Generator{
			Printer: &bind.Printer{Buf: &buf, IndentEach: []byte("    ")},
			Fset:    b.fset,
			AllPkg:  allPkg,
			Pkg:     pkg,
		},
	}
	g.Init(classes)

	generate := func(w io.Writer) error {
		if buildX {
			printcmd("gobind %s -outdir=%s %s", bindOption, javadir, pkgPath)
		}
		if buildN {
			return nil
		}
		buf.Reset()
		if err := g.GenJava(); err != nil {
			return err
		}
		_, err := io.Copy(w, &buf)
		return err
	}
	if err := writeFile(javaFile, generate); err != nil {
		return err
	}
	for i, name := range g.ClassNames() {
		generate := func(w io.Writer) error {
			if buildN {
				return nil
			}
			buf.Reset()
			if err := g.GenClass(i); err != nil {
				return err
			}
			_, err := io.Copy(w, &buf)
			return err
		}
		classFile := filepath.Join(javadir, name+".java")
		if err := writeFile(classFile, generate); err != nil {
			return err
		}
	}
	generate = func(w io.Writer) error {
		if buildN {
			return nil
		}
		buf.Reset()
		if err := g.GenC(); err != nil {
			return err
		}
		_, err := io.Copy(w, &buf)
		return err
	}
	if err := writeFile(cFile, generate); err != nil {
		return err
	}
	generate = func(w io.Writer) error {
		if buildN {
			return nil
		}
		buf.Reset()
		if err := g.GenH(); err != nil {
			return err
		}
		_, err := io.Copy(w, &buf)
		return err
	}
	return writeFile(hFile, generate)
}