| 33 | ) |
| 34 | |
| 35 | func main() { |
| 36 | var ( |
| 37 | filename = flag.String("outfile", "", "File to write generated source code to.") |
| 38 | header = flag.String("header", "", "Path to a file whose contents will be copied into the generated file. Can be empty") |
| 39 | apiDefDirs = flag.String("api_def_dirs", "", "Comma-separated directories containing api_def_*.pbtxt files.") |
| 40 | buf bytes.Buffer |
| 41 | ) |
| 42 | flag.Parse() |
| 43 | if *filename == "" { |
| 44 | log.Fatal("-outfile must be set") |
| 45 | } |
| 46 | if *header != "" { |
| 47 | hdr, err := ioutil.ReadFile(*header) |
| 48 | if err != nil { |
| 49 | log.Fatalf("Unable to read %s: %v", *header, err) |
| 50 | } |
| 51 | buf.Write(hdr) |
| 52 | buf.WriteString("\n\n") |
| 53 | } |
| 54 | os.MkdirAll(filepath.Dir(*filename), 0755) |
| 55 | |
| 56 | apiDefDirsList := []string{} |
| 57 | if len(*apiDefDirs) > 0 { |
| 58 | apiDefDirsList = strings.Split(*apiDefDirs, ",") |
| 59 | } |
| 60 | |
| 61 | if err := internal.GenerateFunctionsForRegisteredOps( |
| 62 | &buf, apiDefDirsList); err != nil { |
| 63 | log.Fatal(err) |
| 64 | } |
| 65 | formatted, err := format.Source(buf.Bytes()) |
| 66 | if err != nil { |
| 67 | log.Fatalf("Failed to generate valid source? 'go fmt' failed: %v", err) |
| 68 | } |
| 69 | if err := ioutil.WriteFile(*filename, formatted, 0644); err != nil { |
| 70 | log.Fatalf("Failed to write to %q: %v", *filename, err) |
| 71 | } |
| 72 | } |