func (g *genFakeForGroup) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
const pkgTestingCore = "k8s.io/kubernetes/pkg/client/testing/core"
m := map[string]interface{}{
"group": g.group,
"Group": namer.IC(g.group),
"Fake": c.Universe.Type(types.Name{Package: pkgTestingCore, Name: "Fake"}),
}
sw.Do(groupClientTemplate, m)
for _, t := range g.types {
wrapper := map[string]interface{}{
"type": t,
"Group": namer.IC(g.group),
"realClientPackage": filepath.Base(g.realClientPath),
}
namespaced := !(types.ExtractCommentTags("+", t.SecondClosestCommentLines)["nonNamespaced"] == "true")
if namespaced {
sw.Do(getterImplNamespaced, wrapper)
} else {
sw.Do(getterImplNonNamespaced, wrapper)
}
}
return sw.Error()
}
func (g *genClientset) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
// TODO: We actually don't need any type information to generate the clientset,
// perhaps we can adapt the go2ild framework to this kind of usage.
sw := generator.NewSnippetWriter(w, c, "$", "$")
sw.Do(common, nil)
sw.Do(checkImpl, nil)
type arg struct {
Group string
PackageName string
}
allGroups := []arg{}
for _, gv := range g.groupVersions {
group := normalization.Group(gv.Group)
version := normalization.Version(gv.Version)
allGroups = append(allGroups, arg{namer.IC(group), version + group})
}
for _, g := range allGroups {
sw.Do(clientsetInterfaceImplTemplate, g)
}
return sw.Error()
}
// GenerateType makes the body of a file implementing a set for type t.
func (g *genProtoIDL) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
b := bodyGen{
locator: &protobufLocator{
namer: c.Namers["proto"].(ProtobufFromGoNamer),
tracker: g.imports,
universe: c.Universe,
localGoPackage: g.localGoPackage.Package,
},
localPackage: g.localPackage,
omitGogo: g.omitGogo,
omitFieldTypes: g.omitFieldTypes,
t: t,
}
switch t.Kind {
case types.Alias:
return b.doAlias(sw)
case types.Struct:
return b.doStruct(sw)
default:
return b.unknown(sw)
}
}
func (g *genGroup) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
const pkgUnversioned = "k8s.io/kubernetes/pkg/client/unversioned"
const pkgLatest = "k8s.io/kubernetes/pkg/api/latest"
m := map[string]interface{}{
"group": g.group,
"Group": namer.IC(g.group),
"types": g.types,
"Config": c.Universe.Get(types.Name{Package: pkgUnversioned, Name: "Config"}),
"DefaultKubernetesUserAgent": c.Universe.Get(types.Name{Package: pkgUnversioned, Name: "DefaultKubernetesUserAgent"}),
"RESTClient": c.Universe.Get(types.Name{Package: pkgUnversioned, Name: "RESTClient"}),
"RESTClientFor": c.Universe.Get(types.Name{Package: pkgUnversioned, Name: "RESTClientFor"}),
"latestGroup": c.Universe.Get(types.Name{Package: pkgLatest, Name: "Group"}),
"GroupOrDie": c.Universe.Get(types.Name{Package: pkgLatest, Name: "GroupOrDie"}),
}
sw.Do(groupInterfaceTemplate, m)
sw.Do(groupClientTemplate, m)
for _, t := range g.types {
wrapper := map[string]interface{}{
"type": t,
"Group": namer.IC(g.group),
}
sw.Do(namespacerImplTemplate, wrapper)
}
sw.Do(newClientTemplate, m)
sw.Do(newClientOrDieTemplate, m)
sw.Do(setClientDefaultsTemplate, m)
return sw.Error()
}
func (g *genExpansion) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
for _, t := range g.types {
sw.Do(expansionInterfaceTemplate, t)
}
return sw.Error()
}
func (g *genDeepCopy) Init(c *generator.Context, w io.Writer) error {
cloner := c.Universe.Type(types.Name{Package: conversionPackagePath, Name: "Cloner"})
g.imports.AddType(cloner)
g.globalVariables = map[string]interface{}{
"Cloner": cloner,
}
if !g.registerTypes {
// TODO: We should come up with a solution to register all generated
// deep-copy functions. However, for now, to avoid import cycles
// we register only those explicitly requested.
return nil
}
glog.V(5).Infof("registering types in pkg %q", g.targetPackage)
scheme := c.Universe.Variable(types.Name{Package: apiPackagePath, Name: "Scheme"})
g.imports.AddType(scheme)
g.globalVariables["scheme"] = scheme
sw := generator.NewSnippetWriter(w, c, "$", "$")
sw.Do("func init() {\n", nil)
sw.Do("if err := $.scheme|raw$.AddGeneratedDeepCopyFuncs(\n", map[string]interface{}{
"scheme": scheme,
})
for _, t := range g.typesForInit {
sw.Do(fmt.Sprintf("%s,\n", g.funcNameTmpl(t)), argsFromType(t))
}
sw.Do("); err != nil {\n", nil)
sw.Do("// if one of the deep copy functions is malformed, detect it immediately.\n", nil)
sw.Do("panic(err)\n", nil)
sw.Do("}\n", nil)
sw.Do("}\n\n", nil)
return sw.Error()
}
func (g *genDeepCopy) Init(c *generator.Context, w io.Writer) error {
cloner := c.Universe.Type(types.Name{Package: conversionPackagePath, Name: "Cloner"})
g.imports.AddType(cloner)
if !g.registerTypes {
// TODO: We should come up with a solution to register all generated
// deep-copy functions. However, for now, to avoid import cycles
// we register only those explicitly requested.
return nil
}
glog.V(5).Infof("registering types in pkg %q", g.targetPackage)
sw := generator.NewSnippetWriter(w, c, "$", "$")
sw.Do("func init() {\n", nil)
sw.Do("SchemeBuilder.Register(RegisterDeepCopies)\n", nil)
sw.Do("}\n\n", nil)
scheme := c.Universe.Type(types.Name{Package: runtimePackagePath, Name: "Scheme"})
schemePtr := &types.Type{
Kind: types.Pointer,
Elem: scheme,
}
sw.Do("// RegisterDeepCopies adds deep-copy functions to the given scheme. Public\n", nil)
sw.Do("// to allow building arbitrary schemes.\n", nil)
sw.Do("func RegisterDeepCopies(scheme $.|raw$) error {\n", schemePtr)
sw.Do("return scheme.AddGeneratedDeepCopyFuncs(\n", nil)
for _, t := range g.typesForInit {
args := argsFromType(t).
With("typeof", c.Universe.Package("reflect").Function("TypeOf"))
sw.Do("conversion.GeneratedDeepCopyFunc{Fn: $.type|dcFnName$, InType: $.typeof|raw$(&$.type|raw${})},\n", args)
}
sw.Do(")\n", nil)
sw.Do("}\n\n", nil)
return sw.Error()
}
func (g *genConversion) Init(c *generator.Context, w io.Writer) error {
scheme := c.Universe.Variable(types.Name{Package: apiPackagePath, Name: "Scheme"})
g.imports.AddType(scheme)
scope := c.Universe.Type(types.Name{Package: conversionPackagePath, Name: "Scope"})
g.imports.AddType(scope)
g.globalVariables = map[string]interface{}{
"scheme": scheme,
"Scope": scope,
}
sw := generator.NewSnippetWriter(w, c, "$", "$")
sw.Do("func init() {\n", nil)
sw.Do("if err := $.scheme|raw$.AddGeneratedConversionFuncs(\n", map[string]interface{}{
"scheme": scheme,
})
for _, conv := range g.typesForInit {
funcName := g.funcNameTmpl(conv.inType, conv.outType)
sw.Do(fmt.Sprintf("%s,\n", funcName), argsFromType(conv.inType, conv.outType))
}
sw.Do("); err != nil {\n", nil)
sw.Do("// if one of the conversion functions is malformed, detect it immediately.\n", nil)
sw.Do("panic(err)\n", nil)
sw.Do("}\n", nil)
sw.Do("}\n\n", nil)
return sw.Error()
}
// GenerateType makes the body of a file implementing a set for type t.
func (g *genClientForType) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
pkg := filepath.Base(t.Name.Package)
m := map[string]interface{}{
"type": t,
"package": pkg,
"Package": namer.IC(pkg),
"Group": namer.IC(g.group),
"watchInterface": c.Universe.Type(types.Name{Package: "k8s.io/kubernetes/pkg/watch", Name: "Interface"}),
"apiDeleteOptions": c.Universe.Type(types.Name{Package: "k8s.io/kubernetes/pkg/api", Name: "DeleteOptions"}),
"apiListOptions": c.Universe.Type(types.Name{Package: "k8s.io/kubernetes/pkg/api", Name: "ListOptions"}),
}
sw.Do(namespacerTemplate, m)
sw.Do(interfaceTemplate, m)
sw.Do(structTemplate, m)
sw.Do(newStructTemplate, m)
sw.Do(createTemplate, m)
sw.Do(updateTemplate, m)
sw.Do(deleteTemplate, m)
sw.Do(deleteCollectionTemplate, m)
sw.Do(getTemplate, m)
sw.Do(listTemplate, m)
sw.Do(watchTemplate, m)
return sw.Error()
}
func (g *genClientset) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
// TODO: We actually don't need any type information to generate the clientset,
// perhaps we can adapt the go2ild framework to this kind of usage.
sw := generator.NewSnippetWriter(w, c, "$", "$")
const pkgUnversioned = "k8s.io/kubernetes/pkg/client/unversioned"
type arg struct {
Group string
PackageName string
}
allGroups := []arg{}
for _, gv := range g.groupVersions {
group := normalizeGroup(gv.Group)
version := normalizeVersion(gv.Version)
allGroups = append(allGroups, arg{namer.IC(group), group + "_" + version})
}
m := map[string]interface{}{
"allGroups": allGroups,
"Config": c.Universe.Type(types.Name{Package: pkgUnversioned, Name: "Config"}),
"DefaultKubernetesUserAgent": c.Universe.Function(types.Name{Package: pkgUnversioned, Name: "DefaultKubernetesUserAgent"}),
"RESTClient": c.Universe.Type(types.Name{Package: pkgUnversioned, Name: "RESTClient"}),
}
sw.Do(clientsetInterfaceTemplate, m)
sw.Do(clientsetTemplate, m)
for _, g := range allGroups {
sw.Do(clientsetInterfaceImplTemplate, g)
}
sw.Do(newClientsetForConfigTemplate, m)
sw.Do(newClientsetForConfigOrDieTemplate, m)
sw.Do(newClientsetForRESTClientTemplate, m)
return sw.Error()
}
func (g *genConversion) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
glog.V(5).Infof("generating for type %v", t)
sw := generator.NewSnippetWriter(w, c, "$", "$")
peerType := getPeerTypeFor(c, t, g.peerPackages)
didForward, didBackward := false, false
if isDirectlyConvertible(t, peerType, g.manualConversions) {
didForward = true
g.generateConversion(t, peerType, sw)
}
if isDirectlyConvertible(peerType, t, g.manualConversions) {
didBackward = true
g.generateConversion(peerType, t, sw)
}
if didForward != didBackward {
glog.Fatalf("Could only generate one direction of conversion for %v <-> %v", t, peerType)
}
if !didForward && !didBackward {
// TODO: This should be fatal but we have at least 8 types that
// currently fail this. The right thing to do is to figure out why they
// can't be generated and mark those fields as
// +k8s:conversion-gen=false, and ONLY do manual conversions for those
// fields, with the manual Convert_...() calling autoConvert_...()
// first.
glog.Errorf("Warning: could not generate autoConvert functions for %v <-> %v", t, peerType)
}
return sw.Error()
}
// GenerateType makes the body of a file implementing the individual typed client for type t.
func (g *genClientForType) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
pkg := filepath.Base(t.Name.Package)
namespaced := !(types.ExtractCommentTags("+", t.SecondClosestCommentLines)["nonNamespaced"] == "true")
m := map[string]interface{}{
"type": t,
"package": pkg,
"Package": namer.IC(pkg),
"Group": namer.IC(g.group),
"watchInterface": c.Universe.Type(types.Name{Package: "k8s.io/kubernetes/pkg/watch", Name: "Interface"}),
"apiDeleteOptions": c.Universe.Type(types.Name{Package: "k8s.io/kubernetes/pkg/api", Name: "DeleteOptions"}),
"apiListOptions": c.Universe.Type(types.Name{Package: "k8s.io/kubernetes/pkg/api", Name: "ListOptions"}),
"apiParameterCodec": c.Universe.Type(types.Name{Package: "k8s.io/kubernetes/pkg/api", Name: "ParameterCodec"}),
"namespaced": namespaced,
}
sw.Do(getterComment, m)
if namespaced {
sw.Do(getterNamesapced, m)
} else {
sw.Do(getterNonNamesapced, m)
}
noMethods := types.ExtractCommentTags("+", t.SecondClosestCommentLines)["noMethods"] == "true"
sw.Do(interfaceTemplate1, m)
if !noMethods {
sw.Do(interfaceTemplate2, m)
// Include the UpdateStatus method if the type has a status
if hasStatus(t) {
sw.Do(interfaceUpdateStatusTemplate, m)
}
sw.Do(interfaceTemplate3, m)
}
sw.Do(interfaceTemplate4, m)
if namespaced {
sw.Do(structNamespaced, m)
sw.Do(newStructNamespaced, m)
} else {
sw.Do(structNonNamespaced, m)
sw.Do(newStructNonNamespaced, m)
}
if !noMethods {
sw.Do(createTemplate, m)
sw.Do(updateTemplate, m)
// Generate the UpdateStatus method if the type has a status
if hasStatus(t) {
sw.Do(updateStatusTemplate, m)
}
sw.Do(deleteTemplate, m)
sw.Do(deleteCollectionTemplate, m)
sw.Do(getTemplate, m)
sw.Do(listTemplate, m)
sw.Do(watchTemplate, m)
}
return sw.Error()
}
// GenerateType makes the body of a file implementing a set for type t.
func (g *genDeepCopy) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
sw.Do("func deepCopy_$.|public$(in $.|raw$, out *$.|raw$, c *conversion.Cloner) error {\n", t)
g.generateFor(t, sw)
sw.Do("return nil\n", nil)
sw.Do("}\n\n", nil)
return sw.Error()
}
// GenerateType makes the body of a file implementing a set for type t.
func (g *genSet) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
sw.Do(setCode, g.args(t))
sw.Do("func less$.type|public$(lhs, rhs $.type|raw$) bool {\n", g.args(t))
g.lessBody(sw, t)
sw.Do("}\n", g.args(t))
return sw.Error()
}
func (g *genExpansion) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
for _, t := range g.types {
if _, err := os.Stat(filepath.Join(g.groupPath, strings.ToLower(t.Name.Name+"_expansion.go"))); os.IsNotExist(err) {
sw.Do(expansionInterfaceTemplate, t)
}
}
return sw.Error()
}
func (g *openAPIGen) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
glog.V(5).Infof("generating for type %v", t)
sw := generator.NewSnippetWriter(w, c, "$", "$")
err := newOpenAPITypeWriter(sw).generate(t)
if err != nil {
return err
}
return sw.Error()
}
func (g *genDeepCopy) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
funcName := g.funcNameTmpl(t)
sw.Do(fmt.Sprintf("func %s(in $.type|raw$, out *$.type|raw$, c *$.Cloner|raw$) error {\n", funcName), g.withGlobals(argsFromType(t)))
g.generateFor(t, sw)
sw.Do("return nil\n", nil)
sw.Do("}\n\n", nil)
return sw.Error()
}
func TestSnippetWriter(t *testing.T) {
var structTest = map[string]string{
"base/foo/proto/foo.go": `
package foo
// Blah is a test.
// A test, I tell you.
type Blah struct {
// A is the first field.
A int64 ` + "`" + `json:"a"` + "`" + `
// B is the second field.
// Multiline comments work.
B string ` + "`" + `json:"b"` + "`" + `
}
`,
}
c := construct(t, structTest)
b := &bytes.Buffer{}
err := generator.NewSnippetWriter(b, c, "$", "$").
Do("$.|public$$.|private$", c.Order[0]).
Error()
if err != nil {
t.Errorf("Unexpected error %v", err)
}
if e, a := "Blahblah", b.String(); e != a {
t.Errorf("Expected %q, got %q", e, a)
}
err = generator.NewSnippetWriter(b, c, "$", "$").
Do("$.|public", c.Order[0]).
Error()
if err == nil {
t.Errorf("expected error on invalid template")
} else {
// Dear reader, I apologize for making the worst change
// detection test in the history of ever.
if e, a := "unclosed action", err.Error(); !strings.Contains(a, e) {
t.Errorf("Expected %q but didn't find it in %q", e, a)
}
}
}
func (g *genGroup) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
const pkgUnversioned = "k8s.io/kubernetes/pkg/client/unversioned"
const pkgRegistered = "k8s.io/kubernetes/pkg/apimachinery/registered"
const pkgAPI = "k8s.io/kubernetes/pkg/api"
apiPath := func(group string) string {
if group == "legacy" {
return `"/api"`
}
return `"/apis"`
}
canonize := func(group string) string {
if group == "legacy" {
return ""
}
return group
}
m := map[string]interface{}{
"group": g.group,
"Group": namer.IC(g.group),
"canonicalGroup": canonize(g.group),
"types": g.types,
"Config": c.Universe.Type(types.Name{Package: pkgUnversioned, Name: "Config"}),
"DefaultKubernetesUserAgent": c.Universe.Function(types.Name{Package: pkgUnversioned, Name: "DefaultKubernetesUserAgent"}),
"RESTClient": c.Universe.Type(types.Name{Package: pkgUnversioned, Name: "RESTClient"}),
"RESTClientFor": c.Universe.Function(types.Name{Package: pkgUnversioned, Name: "RESTClientFor"}),
"latestGroup": c.Universe.Variable(types.Name{Package: pkgRegistered, Name: "Group"}),
"GroupOrDie": c.Universe.Variable(types.Name{Package: pkgRegistered, Name: "GroupOrDie"}),
"apiPath": apiPath(g.group),
"codecs": c.Universe.Variable(types.Name{Package: pkgAPI, Name: "Codecs"}),
}
sw.Do(groupInterfaceTemplate, m)
sw.Do(groupClientTemplate, m)
for _, t := range g.types {
wrapper := map[string]interface{}{
"type": t,
"Group": namer.IC(g.group),
}
namespaced := !(types.ExtractCommentTags("+", t.SecondClosestCommentLines)["nonNamespaced"] == "true")
if namespaced {
sw.Do(getterImplNamespaced, wrapper)
} else {
sw.Do(getterImplNonNamespaced, wrapper)
}
}
sw.Do(newClientForConfigTemplate, m)
sw.Do(newClientForConfigOrDieTemplate, m)
sw.Do(newClientForRESTClientTemplate, m)
sw.Do(setClientDefaultsTemplate, m)
return sw.Error()
}
func (g *genConversion) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
internalType, _ := getInternalTypeFor(c, t)
if isDirectlyConvertible(t, internalType, g.preexisting) {
g.generateConversion(t, internalType, sw)
}
if isDirectlyConvertible(internalType, t, g.preexisting) {
g.generateConversion(internalType, t, sw)
}
return sw.Error()
}
func (g *genDeepCopy) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
funcName := g.funcNameTmpl(t)
if g.targetPackage == conversionPackagePath {
sw.Do(fmt.Sprintf("func %s(in $.type|raw$, out *$.type|raw$, c *Cloner) error {\n", funcName), argsFromType(t))
} else {
sw.Do(fmt.Sprintf("func %s(in $.type|raw$, out *$.type|raw$, c *conversion.Cloner) error {\n", funcName), argsFromType(t))
}
g.generateFor(t, sw)
sw.Do("return nil\n", nil)
sw.Do("}\n\n", nil)
return sw.Error()
}
func (g *genDeepCopy) Init(c *generator.Context, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
sw.Do("func init() {\n", nil)
sw.Do("if err := api.Scheme.AddGeneratedDeepCopyFuncs(\n", nil)
for _, t := range g.typesForInit {
sw.Do("deepCopy_$.|public$,\n", t)
}
sw.Do("); err != nil {\n", nil)
sw.Do("// if one of the deep copy functions is malformed, detect it immediately.\n", nil)
sw.Do("panic(err)\n", nil)
sw.Do("}\n", nil)
sw.Do("}\n\n", nil)
return sw.Error()
}
// Returns all already existing conversion functions that we are able to find.
func existingConversionFunctions(context *generator.Context) conversions {
scopeName := types.Name{Package: conversionPackagePath, Name: "Scope"}
errorName := types.Name{Package: "", Name: "error"}
buffer := &bytes.Buffer{}
sw := generator.NewSnippetWriter(buffer, context, "$", "$")
preexisting := make(conversions)
for _, p := range context.Universe {
for _, f := range p.Functions {
if f.Underlying == nil || f.Underlying.Kind != types.Func {
glog.Errorf("Malformed function: %#v", f)
continue
}
if f.Underlying.Signature == nil {
glog.Errorf("Function without signature: %#v", f)
continue
}
signature := f.Underlying.Signature
// Check whether the function is conversion function.
// Note that all of them have signature:
// func Convert_inType_To_outType(inType, outType, conversion.Scope) error
if signature.Receiver != nil {
continue
}
if len(signature.Parameters) != 3 || signature.Parameters[2].Name != scopeName {
continue
}
if len(signature.Results) != 1 || signature.Results[0].Name != errorName {
continue
}
inType := signature.Parameters[0]
outType := signature.Parameters[1]
if inType.Kind != types.Pointer || outType.Kind != types.Pointer {
continue
}
// Now check if the name satisfies the convention.
args := argsFromType(inType.Elem, outType.Elem)
sw.Do("Convert_$.inType|public$_To_$.outType|public$", args)
if f.Name.Name == buffer.String() {
key := conversionType{inType.Elem, outType.Elem}
if v, ok := preexisting[key]; ok && v != nil {
panic(fmt.Sprintf("duplicate static conversion defined: %#v", key))
}
preexisting[key] = f
}
buffer.Reset()
}
}
return preexisting
}
func (g *genDeepCopy) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
if !g.needsGeneration(t) {
return nil
}
glog.V(5).Infof("generating for type %v", t)
sw := generator.NewSnippetWriter(w, c, "$", "$")
funcName := g.funcNameTmpl(t)
sw.Do(fmt.Sprintf("func %s(in interface{}, out interface{}, c *$.Cloner|raw$) error {{\n", funcName), g.withGlobals(argsFromType(t)))
sw.Do("in := in.(*$.type|raw$)\nout := out.(*$.type|raw$)\n", g.withGlobals(argsFromType(t)))
g.generateFor(t, sw)
sw.Do("return nil\n", nil)
sw.Do("}}\n\n", nil)
return sw.Error()
}
func (g *genDeepCopy) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
if !g.needsGeneration(t) {
return nil
}
glog.V(5).Infof("generating for type %v", t)
sw := generator.NewSnippetWriter(w, c, "$", "$")
args := argsFromType(t).
With("clonerType", types.Ref(conversionPackagePath, "Cloner"))
sw.Do("func $.type|dcFnName$(in interface{}, out interface{}, c *$.clonerType|raw$) error {{\n", args)
sw.Do("in := in.(*$.type|raw$)\nout := out.(*$.type|raw$)\n", argsFromType(t))
g.generateFor(t, sw)
sw.Do("return nil\n", nil)
sw.Do("}}\n\n", nil)
return sw.Error()
}
// Returns all manually-defined conversion functions in the package.
func getManualConversionFunctions(context *generator.Context, pkg *types.Package, manualMap conversionFuncMap) {
scopeName := types.Ref(conversionPackagePath, "Scope").Name
errorName := types.Ref("", "error").Name
buffer := &bytes.Buffer{}
sw := generator.NewSnippetWriter(buffer, context, "$", "$")
for _, f := range pkg.Functions {
if f.Underlying == nil || f.Underlying.Kind != types.Func {
glog.Errorf("Malformed function: %#v", f)
continue
}
if f.Underlying.Signature == nil {
glog.Errorf("Function without signature: %#v", f)
continue
}
signature := f.Underlying.Signature
// Check whether the function is conversion function.
// Note that all of them have signature:
// func Convert_inType_To_outType(inType, outType, conversion.Scope) error
if signature.Receiver != nil {
continue
}
if len(signature.Parameters) != 3 || signature.Parameters[2].Name != scopeName {
continue
}
if len(signature.Results) != 1 || signature.Results[0].Name != errorName {
continue
}
inType := signature.Parameters[0]
outType := signature.Parameters[1]
if inType.Kind != types.Pointer || outType.Kind != types.Pointer {
continue
}
// Now check if the name satisfies the convention.
args := argsFromType(inType.Elem, outType.Elem)
sw.Do("Convert_$.inType|public$_To_$.outType|public$", args)
if f.Name.Name == buffer.String() {
key := conversionPair{inType.Elem, outType.Elem}
// We might scan the same package twice, and that's OK.
if v, ok := manualMap[key]; ok && v != nil && v.Name.Package != pkg.Path {
panic(fmt.Sprintf("duplicate static conversion defined: %#v", key))
}
manualMap[key] = f
}
buffer.Reset()
}
}
func (g *genGroup) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
const pkgUnversioned = "k8s.io/kubernetes/pkg/client/unversioned"
const pkgLatest = "k8s.io/kubernetes/pkg/api/latest"
prefix := func(group string) string {
if group == "legacy" {
return `"/api"`
}
return `"/apis"`
}
canonize := func(group string) string {
if group == "legacy" {
return ""
}
return group
}
m := map[string]interface{}{
"group": g.group,
"Group": namer.IC(g.group),
"canonicalGroup": canonize(g.group),
"types": g.types,
"Config": c.Universe.Type(types.Name{Package: pkgUnversioned, Name: "Config"}),
"DefaultKubernetesUserAgent": c.Universe.Function(types.Name{Package: pkgUnversioned, Name: "DefaultKubernetesUserAgent"}),
"RESTClient": c.Universe.Type(types.Name{Package: pkgUnversioned, Name: "RESTClient"}),
"RESTClientFor": c.Universe.Function(types.Name{Package: pkgUnversioned, Name: "RESTClientFor"}),
"latestGroup": c.Universe.Variable(types.Name{Package: pkgLatest, Name: "Group"}),
"GroupOrDie": c.Universe.Variable(types.Name{Package: pkgLatest, Name: "GroupOrDie"}),
"prefix": prefix(g.group),
}
sw.Do(groupInterfaceTemplate, m)
sw.Do(groupClientTemplate, m)
for _, t := range g.types {
wrapper := map[string]interface{}{
"type": t,
"Group": namer.IC(g.group),
}
sw.Do(namespacerImplTemplate, wrapper)
}
sw.Do(newClientForConfigTemplate, m)
sw.Do(newClientForConfigOrDieTemplate, m)
sw.Do(newClientForRESTClientTemplate, m)
sw.Do(setClientDefaultsTemplate, m)
return sw.Error()
}
// Returns all already existing defaulting functions that we are able to find.
func existingDefaultingFunctions(context *generator.Context) defaulters {
buffer := &bytes.Buffer{}
sw := generator.NewSnippetWriter(buffer, context, "$", "$")
preexisting := make(defaulters)
for _, p := range context.Universe {
for _, f := range p.Functions {
if f.Underlying == nil || f.Underlying.Kind != types.Func {
glog.Errorf("Malformed function: %#v", f)
continue
}
if f.Underlying.Signature == nil {
glog.Errorf("Function without signature: %#v", f)
continue
}
signature := f.Underlying.Signature
// Check whether the function is conversion function.
// Note that all of them have signature:
// func Convert_inType_To_outType(inType, outType, conversion.Scope) error
if signature.Receiver != nil {
continue
}
if len(signature.Parameters) != 1 {
continue
}
if len(signature.Results) != 0 {
continue
}
inType := signature.Parameters[0]
if inType.Kind != types.Pointer {
continue
}
// Now check if the name satisfies the convention.
args := defaultingArgsFromType(inType.Elem)
sw.Do("$.inType|defaultfn$", args)
if f.Name.Name == buffer.String() {
key := inType.Elem
if v, ok := preexisting[key]; ok && v != nil {
panic(fmt.Sprintf("duplicate static defaulter defined: %#v", key))
}
preexisting[key] = f
}
buffer.Reset()
}
}
return preexisting
}
func (g *genDeepCopy) Init(c *generator.Context, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
sw.Do("func init() {\n", nil)
if g.targetPackage == apiPackagePath {
sw.Do("if err := Scheme.AddGeneratedDeepCopyFuncs(\n", nil)
} else {
sw.Do("if err := api.Scheme.AddGeneratedDeepCopyFuncs(\n", nil)
}
for _, t := range g.typesForInit {
sw.Do(fmt.Sprintf("%s,\n", g.funcNameTmpl(t)), argsFromType(t))
}
sw.Do("); err != nil {\n", nil)
sw.Do("// if one of the deep copy functions is malformed, detect it immediately.\n", nil)
sw.Do("panic(err)\n", nil)
sw.Do("}\n", nil)
sw.Do("}\n\n", nil)
return sw.Error()
}
func (g *genConversion) Init(c *generator.Context, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
sw.Do("func init() {\n", nil)
if g.targetPackage == apiPackagePath {
sw.Do("if err := Scheme.AddGeneratedConversionFuncs(\n", nil)
} else {
sw.Do("if err := api.Scheme.AddGeneratedConversionFuncs(\n", nil)
}
for _, conv := range g.typesForInit {
funcName := g.funcNameTmpl(conv.inType, conv.outType)
sw.Do(fmt.Sprintf("%s,\n", funcName), argsFromType(conv.inType, conv.outType))
}
sw.Do("); err != nil {\n", nil)
sw.Do("// if one of the conversion functions is malformed, detect it immediately.\n", nil)
sw.Do("panic(err)\n", nil)
sw.Do("}\n", nil)
sw.Do("}\n\n", nil)
return sw.Error()
}