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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| //go:build ignore | ||
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| package main | ||
|
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| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "log" | ||
| "os" | ||
| "os/exec" | ||
| "strings" | ||
|
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| "github.com/progrium/macdriver/generate" | ||
| "github.com/progrium/macdriver/generate/modules" | ||
| ) | ||
|
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| const TargetPlatform = "macos" | ||
| const TargetVersion = 12 | ||
|
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| // go run ./generate/tools/structs.go [framework] | ||
| func main() { | ||
|
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| db, err := generate.OpenSymbols("./generate/symbols.zip") | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| defer db.Close() | ||
|
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| if len(os.Args) > 1 { | ||
| mod := modules.Get(strings.ToLower(os.Args[1])) | ||
|
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| var structDefs []string | ||
| var badStructs []string | ||
| docComments := make(map[string]string) | ||
|
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| for _, s := range db.ModuleSymbols(mod.Package) { | ||
| if TargetPlatform == "macos" && mod.Package == "uikit" { | ||
| // we're going to pretend to be appkit later | ||
| // to handle the uikit symbols existing in appkit | ||
| if !s.HasFramework("appkit") { | ||
| continue | ||
| } | ||
| } | ||
| if !s.HasPlatform(TargetPlatform, TargetVersion, true) { | ||
| continue | ||
| } | ||
|
|
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| if s.Kind == "Struct" { | ||
|
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| structDef := fmt.Sprintf("type %s C.%s\n", modules.TrimPrefix(s.Name), s.Name) | ||
|
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| // generate for just this struct to see that it works | ||
| // before adding so the full list generates without error. | ||
| // however we can't just use this because godefs will only | ||
| // use the right sub struct type if they're generated together. | ||
| _, err := goDefsFor(mod, []string{structDef}) | ||
| if err != nil { | ||
| badStructs = append(badStructs, s.Name) | ||
| continue | ||
| } | ||
|
|
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| if s.DocURL() != "" { | ||
| // godefs strips comments so we'll have to reassemble with | ||
| // comments using this | ||
| docComments[modules.TrimPrefix(s.Name)] = fmt.Sprintf("// %s [Full Topic]\n//\n// [Full Topic]: %s\n", s.Description, s.DocURL()) | ||
| } | ||
|
|
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| structDefs = append(structDefs, structDef) | ||
| } | ||
| } | ||
|
|
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| if len(structDefs) == 0 { | ||
| fmt.Fprintln(os.Stderr, "No structs for this framework") | ||
| os.Exit(1) | ||
| } | ||
|
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| out, err := goDefsFor(mod, structDefs) | ||
| if err != nil { | ||
| fmt.Println(out) | ||
| log.Fatal(err) | ||
| } | ||
|
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| // *byte and *[0]byte fields should just be uintptr | ||
| out = strings.ReplaceAll(out, "*byte", "uintptr") | ||
| out = strings.ReplaceAll(out, "*[0]byte", "uintptr") | ||
|
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| // reassemble with comments | ||
| fmt.Println("package", mod.Package, "\n") | ||
| parts := strings.Split(out, "type ") | ||
| for _, p := range parts[1:] { | ||
| words := strings.Fields(p) | ||
| if s, ok := docComments[words[0]]; ok { | ||
| fmt.Print(s) | ||
| } | ||
| fmt.Println("type", p) | ||
| } | ||
|
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| if len(badStructs) > 0 { | ||
| fmt.Println("// TODO (unable to generate):") | ||
| fmt.Println("//", strings.Join(badStructs, " ")) | ||
| } | ||
| } | ||
|
|
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| } | ||
|
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| func goDefsFor(mod *modules.Module, structDefs []string) (string, error) { | ||
| extraLoad := "" | ||
| extraInclude := "" | ||
| source := fmt.Sprintf(`package main | ||
| /* | ||
| #cgo CFLAGS: -w -x objective-c | ||
| #cgo LDFLAGS: -lobjc -framework %s %s | ||
| #include <%s> | ||
| %s | ||
| */ | ||
| import "C" | ||
| %s | ||
| `, mod.Name, extraLoad, mod.Header, extraInclude, strings.Join(structDefs, "\n")) | ||
| b, err := evalSource(source) | ||
| return string(b), err | ||
| } | ||
|
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| func evalSource(source string) ([]byte, error) { | ||
| tempFile, err := ioutil.TempFile("", "temp-code-*.go") | ||
| if err != nil { | ||
| log.Fatal("Failed to create temporary file:", err) | ||
| } | ||
| defer os.Remove(tempFile.Name()) | ||
|
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| if _, err := tempFile.WriteString(source); err != nil { | ||
| log.Fatal("Failed to write to temporary file:", err) | ||
| } | ||
|
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| if err := tempFile.Close(); err != nil { | ||
| log.Fatal("Failed to close temporary file:", err) | ||
| } | ||
|
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| cmd := exec.Command("go", "tool", "cgo", "-godefs", "--", "-x", "objective-c", tempFile.Name()) | ||
| return cmd.CombinedOutput() | ||
| } |