Exemple #1
0
func TestGenGoJavaWrappers(t *testing.T) {
	if !java.IsAvailable() {
		t.Skipf("java is not available")
	}
	for _, filename := range javaTests {
		var buf bytes.Buffer
		refs := fileRefs(t, filename, "Java/")
		classes, err := java.Import("", "", refs)
		if err != nil {
			t.Fatal(err)
		}
		tmpGopath, err := ioutil.TempDir(os.TempDir(), "gomobile-bind-test-")
		if err != nil {
			t.Fatal(err)
		}
		defer os.RemoveAll(tmpGopath)
		cg := genJavaPackages(t, tmpGopath, classes, &buf)
		pkg := typeCheck(t, filename, tmpGopath)
		cg.GenGo()
		testGenGo(t, filename, &buf, pkg)
	}
}
Exemple #2
0
func main() {
	flag.Parse()

	if *lang != "java" && *javaPkg != "" {
		log.Fatalf("Invalid option -javapkg for gobind -lang=%s", *lang)
	} else if *lang != "objc" && *prefix != "" {
		log.Fatalf("Invalid option -prefix for gobind -lang=%s", *lang)
	}

	oldCtx := build.Default
	ctx := &build.Default
	var allPkg []*build.Package
	for _, path := range flag.Args() {
		pkg, err := ctx.Import(path, ".", build.ImportComment)
		if err != nil {
			log.Fatalf("package %q: %v", path, err)
		}
		allPkg = append(allPkg, pkg)
	}
	var classes []*java.Class
	refs, err := importers.AnalyzePackages(allPkg, "Java/")
	if err != nil {
		log.Fatal(err)
	}
	if len(refs.Refs) > 0 {
		classes, err = java.Import(*bootclasspath, *classpath, refs)
		if err != nil {
			log.Fatal(err)
		}
		if len(classes) > 0 {
			tmpGopath, err := ioutil.TempDir(os.TempDir(), "gobind-")
			if err != nil {
				log.Fatal(err)
			}
			defer os.RemoveAll(tmpGopath)
			if err := genJavaPackages(ctx, tmpGopath, classes); err != nil {
				log.Fatal(err)
			}
			gopath := ctx.GOPATH
			if gopath != "" {
				gopath = string(filepath.ListSeparator)
			}
			ctx.GOPATH = gopath + tmpGopath
		}
	}

	typePkgs := make([]*types.Package, len(allPkg))
	fset := token.NewFileSet()
	conf := &types.Config{
		Importer: importer.Default(),
	}
	conf.Error = func(err error) {
		// Ignore errors. They're probably caused by as-yet undefined
		// Java wrappers.
	}
	for i, pkg := range allPkg {
		var files []*ast.File
		for _, name := range pkg.GoFiles {
			f, err := parser.ParseFile(fset, filepath.Join(pkg.Dir, name), nil, 0)
			if err != nil {
				log.Fatalf("Failed to parse Go file %s: %v", name, err)
			}
			files = append(files, f)
		}
		tpkg, _ := conf.Check(pkg.Name, fset, files, nil)
		typePkgs[i] = tpkg
	}
	build.Default = oldCtx
	for _, pkg := range typePkgs {
		genPkg(pkg, typePkgs, classes)
	}
	// Generate the error package and support files
	genPkg(nil, typePkgs, classes)
	os.Exit(exitStatus)
}
Exemple #3
0
func TestGenJava(t *testing.T) {
	allTests := tests
	if java.IsAvailable() {
		allTests = append(append([]string{}, allTests...), javaTests...)
	}
	for _, filename := range allTests {
		refs := fileRefs(t, filename, "Java/")
		classes, err := java.Import("", "", refs)
		if err != nil {
			t.Fatal(err)
		}
		var cg *ClassGen
		tmpGopath := ""
		var buf bytes.Buffer
		if len(classes) > 0 {
			tmpGopath, err = ioutil.TempDir(os.TempDir(), "gomobile-bind-test-")
			if err != nil {
				t.Fatal(err)
			}
			defer os.RemoveAll(tmpGopath)
			cg = genJavaPackages(t, tmpGopath, classes, new(bytes.Buffer))
			cg.Buf = &buf
		}
		pkg := typeCheck(t, filename, tmpGopath)
		g := &JavaGen{
			Generator: &Generator{
				Printer: &Printer{Buf: &buf, IndentEach: []byte("    ")},
				Fset:    fset,
				AllPkg:  []*types.Package{pkg},
				Pkg:     pkg,
			},
		}
		g.Init(classes)
		testCases := []struct {
			suffix string
			gen    func() error
		}{
			{
				".java.golden",
				func() error {
					for i := range g.ClassNames() {
						if err := g.GenClass(i); err != nil {
							return err
						}
					}
					return g.GenJava()
				},
			},
			{
				".java.c.golden",
				func() error {
					if cg != nil {
						cg.GenC()
					}
					return g.GenC()
				},
			},
			{
				".java.h.golden",
				func() error {
					if cg != nil {
						cg.GenH()
					}
					return g.GenH()
				},
			},
		}

		for _, tc := range testCases {
			buf.Reset()
			if err := tc.gen(); err != nil {
				t.Errorf("%s: %v", filename, err)
				continue
			}
			out := writeTempFile(t, "generated"+tc.suffix, buf.Bytes())
			defer os.Remove(out)
			golden := filename[:len(filename)-len(".go")] + tc.suffix
			if diffstr := diff(golden, out); diffstr != "" {
				t.Errorf("%s: does not match Java golden:\n%s", filename, diffstr)

				if *updateFlag {
					t.Logf("Updating %s...", golden)
					if err := exec.Command("/bin/cp", out, golden).Run(); err != nil {
						t.Errorf("Update failed: %s", err)
					}
				}

			}
		}
	}
}
Exemple #4
0
func GenClasses(pkgs []*build.Package, srcDir, jpkgSrc string) ([]*java.Class, error) {
	refs, err := importers.AnalyzePackages(pkgs, "Java/")
	if err != nil {
		return nil, err
	}
	bClspath, err := bootClasspath()
	if err != nil {
		return nil, err
	}
	classes, err := java.Import(bClspath, bindClasspath, refs)
	if err != nil {
		return nil, err
	}
	var buf bytes.Buffer
	g := &bind.ClassGen{
		Printer: &bind.Printer{
			IndentEach: []byte("\t"),
			Buf:        &buf,
		},
	}
	g.Init(classes)
	for i, jpkg := range g.Packages() {
		pkgDir := filepath.Join(jpkgSrc, "src", "Java", jpkg)
		if err := os.MkdirAll(pkgDir, 0700); err != nil {
			return nil, err
		}
		pkgFile := filepath.Join(pkgDir, "package.go")
		generate := func(w io.Writer) error {
			if buildN {
				return nil
			}
			buf.Reset()
			g.GenPackage(i)
			_, err := io.Copy(w, &buf)
			return err
		}
		if err := writeFile(pkgFile, generate); err != nil {
			return nil, fmt.Errorf("failed to create the Java wrapper package %s: %v", jpkg, err)
		}
	}
	generate := func(w io.Writer) error {
		if buildN {
			return nil
		}
		buf.Reset()
		g.GenGo()
		_, err := io.Copy(w, &buf)
		return err
	}
	if err := writeFile(filepath.Join(srcDir, "classes.go"), generate); err != nil {
		return nil, fmt.Errorf("failed to create the Java classes Go file: %v", err)
	}
	generate = func(w io.Writer) error {
		if buildN {
			return nil
		}
		buf.Reset()
		g.GenH()
		_, err := io.Copy(w, &buf)
		return err
	}
	if err := writeFile(filepath.Join(srcDir, "classes.h"), generate); err != nil {
		return nil, fmt.Errorf("failed to create the Java classes header file: %v", err)
	}
	generate = func(w io.Writer) error {
		if buildN {
			return nil
		}
		buf.Reset()
		g.GenC()
		_, err := io.Copy(w, &buf)
		return err
	}
	if err := writeFile(filepath.Join(srcDir, "classes.c"), generate); err != nil {
		return nil, fmt.Errorf("failed to create the Java classes C file: %v", err)
	}
	generate = func(w io.Writer) error {
		if buildN {
			return nil
		}
		buf.Reset()
		g.GenInterfaces()
		_, err := io.Copy(w, &buf)
		return err
	}
	if err := writeFile(filepath.Join(jpkgSrc, "src", "Java", "interfaces.go"), generate); err != nil {
		return nil, fmt.Errorf("failed to create the Java classes interfaces file: %v", err)
	}
	return classes, nil
}