Beispiel #1
0
func (m *Generator) generateToolSourceCode(pkg *codegen.Package) {
	file := pkg.CreateSourceFile("main.go")
	imports := append(m.Imports,
		codegen.SimpleImport("fmt"),
		codegen.SimpleImport("os"),
		codegen.SimpleImport("strings"),
		codegen.NewImport(".", "github.com/raphael/goa/design"),
		codegen.NewImport(".", "github.com/raphael/goa/design/dsl"),
		codegen.NewImport("_", filepath.ToSlash(codegen.DesignPackagePath)),
	)
	file.WriteHeader("Code Generator", "main", imports)
	tmpl, err := template.New("generator").Parse(mainTmpl)
	if err != nil {
		panic(err) // bug
	}
	pkgName, err := codegen.PackageName(pkg.Abs())
	if err != nil {
		panic(err)
	}
	context := map[string]string{
		"Genfunc":       m.Genfunc,
		"DesignPackage": codegen.DesignPackagePath,
		"PkgName":       pkgName,
	}
	err = tmpl.Execute(file, context)
	if err != nil {
		panic(err) // bug
	}
	if codegen.Debug {
		src, _ := ioutil.ReadFile(file.Abs())
		fmt.Printf("goagen source:\n%s\n", src)
	}
}
Beispiel #2
0
func (m *Generator) generateToolSourceCode(gendir, pkgName string) {
	filename := filepath.Join(gendir, "main.go")
	m.GoGenerator = codegen.NewGoGenerator(filename)
	imports := append(m.Imports,
		codegen.SimpleImport("fmt"),
		codegen.SimpleImport("os"),
		codegen.SimpleImport("strings"),
		codegen.NewImport(".", "github.com/raphael/goa/design"),
		codegen.NewImport(".", "github.com/raphael/goa/design/dsl"),
		codegen.NewImport("_", codegen.DesignPackagePath),
	)
	m.WriteHeader("Code Generator", "main", imports)
	tmpl, err := template.New("generator").Parse(mainTmpl)
	if err != nil {
		panic(err) // bug
	}
	context := map[string]string{
		"Genfunc":       m.Genfunc,
		"DesignPackage": codegen.DesignPackagePath,
		"PkgName":       pkgName,
	}
	err = tmpl.Execute(m, context)
	if err != nil {
		panic(err) // bug
	}
	if codegen.Debug {
		src, _ := ioutil.ReadFile(filename)
		fmt.Printf("goagen source:\n%s\n", src)
	}
}
Beispiel #3
0
func (g *Generator) generateCommands(commandsFile string, clientPkg string, funcs template.FuncMap, api *design.APIDefinition) error {
	gg := codegen.NewGoGenerator(commandsFile)
	commandTypesTmpl := template.Must(template.New("commandTypes").Funcs(funcs).Parse(commandTypesTmpl))
	commandsTmpl := template.Must(template.New("commands").Funcs(funcs).Parse(commandsTmpl))

	imports := []*codegen.ImportSpec{
		codegen.SimpleImport("github.com/raphael/goa"),
		codegen.SimpleImport(clientPkg),
		codegen.NewImport("log", "gopkg.in/inconshreveable/log15.v2"),
		codegen.SimpleImport("gopkg.in/alecthomas/kingpin.v2"),
	}
	if err := gg.WriteHeader("", "main", imports); err != nil {
		return err
	}
	g.genfiles = append(g.genfiles, commandsFile)

	gg.Write([]byte("type (\n"))
	if err := api.IterateResources(func(res *design.ResourceDefinition) error {
		return res.IterateActions(func(action *design.ActionDefinition) error {
			return commandTypesTmpl.Execute(gg, action)
		})
	}); err != nil {
		return err
	}
	gg.Write([]byte(")\n\n"))

	if err := api.IterateResources(func(res *design.ResourceDefinition) error {
		return res.IterateActions(func(action *design.ActionDefinition) error {
			data := map[string]interface{}{
				"Action":   action,
				"Resource": action.Parent,
				"Version":  design.Design.APIVersionDefinition,
			}
			return commandsTmpl.Execute(gg, data)
		})
	}); err != nil {
		return err
	}

	return gg.FormatCode()
}
Beispiel #4
0
// Generate produces the skeleton main.
func (g *Generator) Generate(api *design.APIDefinition) ([]string, error) {
	mainFile := filepath.Join(codegen.OutputDir, "main.go")
	if Force {
		os.Remove(mainFile)
	}
	_, err := os.Stat(mainFile)
	funcs := template.FuncMap{
		"tempvar":            tempvar,
		"generateJSONSchema": generateJSONSchema,
		"goify":              codegen.Goify,
		"okResp":             okResp,
	}
	if err != nil {
		tmpl, err := template.New("main").Funcs(funcs).Parse(mainTmpl)
		if err != nil {
			panic(err.Error()) // bug
		}
		gg := codegen.NewGoGenerator(mainFile)
		g.genfiles = []string{mainFile}
		outPkg, err := filepath.Rel(os.Getenv("GOPATH"), codegen.OutputDir)
		if err != nil {
			return nil, err
		}
		outPkg = strings.TrimPrefix(outPkg, "src/")
		appPkg := filepath.Join(outPkg, "app")
		swaggerPkg := filepath.Join(outPkg, "swagger")
		imports := []*codegen.ImportSpec{
			codegen.SimpleImport("github.com/raphael/goa"),
			codegen.SimpleImport(appPkg),
			codegen.SimpleImport(swaggerPkg),
			codegen.NewImport("log", "gopkg.in/inconshreveable/log15.v2"),
		}
		if generateJSONSchema() {
			jsonSchemaPkg := filepath.Join(outPkg, "schema")
			imports = append(imports, codegen.SimpleImport(jsonSchemaPkg))
		}
		gg.WriteHeader("", "main", imports)
		data := map[string]interface{}{
			"Name":      AppName,
			"Resources": api.Resources,
		}
		err = tmpl.Execute(gg, data)
		if err != nil {
			g.Cleanup()
			return nil, err
		}
		if err := gg.FormatCode(); err != nil {
			g.Cleanup()
			return nil, err
		}
	}
	tmpl, err := template.New("ctrl").Funcs(funcs).Parse(ctrlTmpl)
	if err != nil {
		panic(err.Error()) // bug
	}
	imp, err := filepath.Rel(filepath.Join(os.Getenv("GOPATH"), "src"), codegen.OutputDir)
	if err != nil {
		return nil, err
	}
	imp = filepath.Join(imp, "app")
	imports := []*codegen.ImportSpec{codegen.SimpleImport(imp)}
	err = api.IterateResources(func(r *design.ResourceDefinition) error {
		filename := filepath.Join(codegen.OutputDir, snakeCase(r.Name)+".go")
		if Force {
			if err := os.Remove(filename); err != nil {
				return err
			}
		}
		if _, err := os.Stat(filename); err != nil {
			resGen := codegen.NewGoGenerator(filename)
			g.genfiles = append(g.genfiles, filename)
			resGen.WriteHeader("", "main", imports)
			err := tmpl.Execute(resGen, r)
			if err != nil {
				g.Cleanup()
				return err
			}
			if err := resGen.FormatCode(); err != nil {
				g.Cleanup()
				return err
			}
		}
		return nil
	})
	if err != nil {
		g.Cleanup()
		return nil, err
	}

	return g.genfiles, nil
}
Beispiel #5
0
// Generate produces the skeleton main.
func (g *Generator) Generate(api *design.APIDefinition) (_ []string, err error) {
	go utils.Catch(nil, func() { g.Cleanup() })

	defer func() {
		if err != nil {
			g.Cleanup()
		}
	}()

	mainFile := filepath.Join(codegen.OutputDir, "main.go")
	if Force {
		os.Remove(mainFile)
	}
	g.genfiles = append(g.genfiles, mainFile)
	_, err = os.Stat(mainFile)
	funcs := template.FuncMap{
		"tempvar":              tempvar,
		"generateSwagger":      generateSwagger,
		"goify":                codegen.Goify,
		"okResp":               okResp,
		"newControllerVersion": newControllerVersion,
		"versionPkg":           codegen.VersionPackage,
		"targetPkg":            func() string { return TargetPackage },
	}
	gopath := filepath.SplitList(os.Getenv("GOPATH"))[0]
	if err != nil {
		var tmpl *template.Template
		tmpl, err = template.New("main").Funcs(funcs).Parse(mainTmpl)
		if err != nil {
			panic(err.Error()) // bug
		}
		gg := codegen.NewGoGenerator(mainFile)
		var outPkg string
		outPkg, err = filepath.Rel(gopath, codegen.OutputDir)
		if err != nil {
			return
		}
		outPkg = strings.TrimPrefix(filepath.ToSlash(outPkg), "src/")
		appPkg := path.Join(outPkg, "app")
		swaggerPkg := path.Join(outPkg, "swagger")
		imports := []*codegen.ImportSpec{
			codegen.SimpleImport("github.com/raphael/goa"),
			codegen.SimpleImport(appPkg),
			codegen.SimpleImport(swaggerPkg),
			codegen.NewImport("log", "gopkg.in/inconshreveable/log15.v2"),
		}
		if generateSwagger() {
			jsonSchemaPkg := path.Join(outPkg, "schema")
			imports = append(imports, codegen.SimpleImport(jsonSchemaPkg))
		}
		gg.WriteHeader("", "main", imports)
		data := map[string]interface{}{
			"Name": AppName,
			"API":  api,
		}
		if err = tmpl.Execute(gg, data); err != nil {
			return
		}
		if err = gg.FormatCode(); err != nil {
			return
		}
	}
	tmpl, err := template.New("ctrl").Funcs(funcs).Parse(ctrlTmpl)
	if err != nil {
		panic(err.Error()) // bug
	}
	imp, err := filepath.Rel(filepath.Join(gopath, "src"), codegen.OutputDir)
	if err != nil {
		return
	}
	imp = path.Join(filepath.ToSlash(imp), "app")
	imports := []*codegen.ImportSpec{codegen.SimpleImport(imp)}
	api.IterateVersions(func(v *design.APIVersionDefinition) error {
		if v.IsDefault() {
			return nil
		}
		imports = append(imports, codegen.SimpleImport(imp+"/"+codegen.Goify(v.Version, false)))
		return nil
	})
	err = api.IterateResources(func(r *design.ResourceDefinition) error {
		filename := filepath.Join(codegen.OutputDir, snakeCase(r.Name)+".go")
		if Force {
			if err := os.Remove(filename); err != nil {
				return err
			}
		}
		g.genfiles = append(g.genfiles, filename)
		if _, err := os.Stat(filename); err != nil {
			resGen := codegen.NewGoGenerator(filename)
			resGen.WriteHeader("", "main", imports)
			err := tmpl.Execute(resGen, r)
			if err != nil {
				return err
			}
			if err := resGen.FormatCode(); err != nil {
				return err
			}
		}
		return nil
	})
	if err != nil {
		return
	}

	return g.genfiles, nil
}
Beispiel #6
0
// Generate compiles and runs the generator and returns the generated filenames.
func (m *Generator) Generate() ([]string, error) {
	// First make sure environment is setup correctly.
	if codegen.OutputDir == "" {
		return nil, fmt.Errorf("missing output directory specification")
	}
	if codegen.DesignPackagePath == "" {
		return nil, fmt.Errorf("missing design package path specification")
	}
	if err := os.MkdirAll(codegen.OutputDir, 0755); err != nil {
		return nil, err
	}
	gopath := os.Getenv("GOPATH")
	if gopath == "" {
		return nil, fmt.Errorf("$GOPATH not defined")
	}
	candidates := strings.Split(gopath, ":")
	for i, c := range candidates {
		candidates[i] = filepath.Join(c, "src", codegen.DesignPackagePath)
	}
	var designPath string
	for _, path := range candidates {
		if _, err := os.Stat(path); err == nil {
			designPath = path
			break
		}
	}
	if designPath == "" {
		if len(candidates) == 1 {
			return nil, fmt.Errorf(`cannot find design package at path "%s"`, candidates[0])
		}
		return nil, fmt.Errorf(`cannot find design package in any of the paths %s`, strings.Join(candidates, ", "))
	}
	_, err := exec.LookPath("go")
	if err != nil {
		return nil, fmt.Errorf(`failed to find a go compiler, looked in "%s"`, os.Getenv("PATH"))
	}

	// Create temporary directory used for generation under the output dir.
	gendir, err := ioutil.TempDir(codegen.OutputDir, "goagen")
	if err != nil {
		if _, ok := err.(*os.PathError); ok {
			err = fmt.Errorf(`invalid output directory path "%s"`, codegen.OutputDir)
		}
		return nil, err
	}
	defer func() {
		if !codegen.Debug {
			os.RemoveAll(gendir)
		}
	}()
	if codegen.Debug {
		fmt.Printf("goagen source dir: %s\n", gendir)
	}

	// Figure out design package name from its path
	fset := token.NewFileSet()
	pkgs, err := parser.ParseDir(fset, designPath, nil, parser.PackageClauseOnly)
	if err != nil {
		return nil, err
	}
	pkgNames := make([]string, len(pkgs))
	i := 0
	for n := range pkgs {
		pkgNames[i] = n
		i++
	}
	if len(pkgs) > 1 {
		return nil, fmt.Errorf("more than one Go package found in %s (%s)",
			designPath, strings.Join(pkgNames, ","))
	}
	if len(pkgs) == 0 {
		return nil, fmt.Errorf("no Go package found in %s", designPath)
	}
	pkgName := pkgNames[0]

	// Generate tool source code.
	filename := filepath.Join(gendir, "main.go")
	m.GoGenerator = codegen.NewGoGenerator(filename)
	imports := append(m.Imports,
		codegen.SimpleImport("fmt"),
		codegen.SimpleImport("os"),
		codegen.SimpleImport("strings"),
		codegen.NewImport(".", "github.com/raphael/goa/design"),
		codegen.NewImport(".", "github.com/raphael/goa/design/dsl"),
		codegen.NewImport("_", codegen.DesignPackagePath),
	)
	m.WriteHeader("Code Generator", "main", imports)
	tmpl, err := template.New("generator").Parse(mainTmpl)
	if err != nil {
		panic(err) // bug
	}
	context := map[string]string{
		"Genfunc":       m.Genfunc,
		"DesignPackage": codegen.DesignPackagePath,
		"PkgName":       pkgName,
	}
	err = tmpl.Execute(m, context)
	if err != nil {
		panic(err) // bug
	}
	if codegen.Debug {
		src, _ := ioutil.ReadFile(filename)
		fmt.Printf("goagen source:\n%s\n", src)
	}

	// Compile and run generated tool.
	genbin, err := m.compile(gendir)
	if err != nil {
		return nil, err
	}
	return m.spawn(genbin)
}
Beispiel #7
0
// Generate produces the skeleton main.
func (g *Generator) Generate(api *design.APIDefinition) (_ []string, err error) {
	go utils.Catch(nil, func() { g.Cleanup() })

	defer func() {
		if err != nil {
			g.Cleanup()
		}
	}()

	mainFile := filepath.Join(codegen.OutputDir, "main.go")
	if Force {
		os.Remove(mainFile)
	}
	g.genfiles = append(g.genfiles, mainFile)
	_, err = os.Stat(mainFile)
	funcs := template.FuncMap{
		"tempvar":              tempvar,
		"generateSwagger":      generateSwagger,
		"okResp":               okResp,
		"newControllerVersion": newControllerVersion,
		"targetPkg":            func() string { return TargetPackage },
	}
	if err != nil {
		file, err := codegen.SourceFileFor(mainFile)
		if err != nil {
			return nil, err
		}
		var outPkg string
		outPkg, err = codegen.PackagePath(codegen.OutputDir)
		if err != nil {
			return nil, err
		}
		outPkg = strings.TrimPrefix(filepath.ToSlash(outPkg), "src/")
		appPkg := path.Join(outPkg, "app")
		swaggerPkg := path.Join(outPkg, "swagger")
		imports := []*codegen.ImportSpec{
			codegen.SimpleImport("github.com/raphael/goa"),
			codegen.SimpleImport(appPkg),
			codegen.SimpleImport(swaggerPkg),
			codegen.NewImport("log", "gopkg.in/inconshreveable/log15.v2"),
		}
		if generateSwagger() {
			jsonSchemaPkg := path.Join(outPkg, "schema")
			imports = append(imports, codegen.SimpleImport(jsonSchemaPkg))
		}
		file.WriteHeader("", "main", imports)
		data := map[string]interface{}{
			"Name": AppName,
			"API":  api,
		}
		if err = file.ExecuteTemplate("main", mainT, funcs, data); err != nil {
			return nil, err
		}
		if err = file.FormatCode(); err != nil {
			return nil, err
		}
	}
	imp, err := codegen.PackagePath(codegen.OutputDir)
	if err != nil {
		return
	}
	imp = path.Join(filepath.ToSlash(imp), "app")
	imports := []*codegen.ImportSpec{codegen.SimpleImport(imp)}
	api.IterateVersions(func(v *design.APIVersionDefinition) error {
		if v.IsDefault() {
			return nil
		}
		imports = append(imports, codegen.SimpleImport(imp+"/"+codegen.VersionPackage(v.Version)))
		return nil
	})
	err = api.IterateResources(func(r *design.ResourceDefinition) error {
		filename := filepath.Join(codegen.OutputDir, snakeCase(r.Name)+".go")
		if Force {
			if err := os.Remove(filename); err != nil {
				return err
			}
		}
		g.genfiles = append(g.genfiles, filename)
		if _, err := os.Stat(filename); err != nil {
			file, err := codegen.SourceFileFor(filename)
			if err != nil {
				return err
			}
			file.WriteHeader("", "main", imports)
			err = file.ExecuteTemplate("controller", ctrlT, funcs, r)
			if err != nil {
				return err
			}
			if err := file.FormatCode(); err != nil {
				return err
			}
		}
		return nil
	})
	if err != nil {
		return
	}

	return g.genfiles, nil
}