From 279af691b1e6d3d280d66d67a8a125cabeb162a9 Mon Sep 17 00:00:00 2001 From: Cody Oss <6331106+codyoss@users.noreply.github.com> Date: Thu, 25 Aug 2022 13:10:51 -0500 Subject: [PATCH] feat: add new aliasgen tool (#6500) This tool is for an upcoming migration effort. We can use it to make the migration quicker and less error prone. --- internal/aliasgen/README | 12 + internal/aliasgen/aliasgen.go | 416 ++++++++++++++++++ internal/aliasgen/aliasgen_test.go | 76 ++++ internal/aliasgen/cmd/main.go | 37 ++ internal/aliasgen/exec.go | 39 ++ internal/aliasgen/go.mod | 19 + internal/aliasgen/go.sum | 134 ++++++ internal/aliasgen/testdata/fakepb/fake.pb.go | 66 +++ internal/aliasgen/testdata/fakepb/fake2.pb.go | 69 +++ .../aliasgen/testdata/golden/fake/alias.go | 94 ++++ 10 files changed, 962 insertions(+) create mode 100644 internal/aliasgen/README create mode 100644 internal/aliasgen/aliasgen.go create mode 100644 internal/aliasgen/aliasgen_test.go create mode 100644 internal/aliasgen/cmd/main.go create mode 100644 internal/aliasgen/exec.go create mode 100644 internal/aliasgen/go.mod create mode 100644 internal/aliasgen/go.sum create mode 100644 internal/aliasgen/testdata/fakepb/fake.pb.go create mode 100644 internal/aliasgen/testdata/fakepb/fake2.pb.go create mode 100644 internal/aliasgen/testdata/golden/fake/alias.go diff --git a/internal/aliasgen/README b/internal/aliasgen/README new file mode 100644 index 000000000000..3ea1a7d1f2ed --- /dev/null +++ b/internal/aliasgen/README @@ -0,0 +1,12 @@ +# aliasgen + +This program analyzes a source directory and creates aliases for all of its +public members in the specified destination directory. + +## Usage + +```bash +go run cloud.google.com/go/internal/aliasgen/cmd \ +-source="/Users/codyoss/oss/go-genproto/googleapis/cloud/secretmanager/v1" \ +-destination="." +``` diff --git a/internal/aliasgen/aliasgen.go b/internal/aliasgen/aliasgen.go new file mode 100644 index 000000000000..173db153496d --- /dev/null +++ b/internal/aliasgen/aliasgen.go @@ -0,0 +1,416 @@ +// Copyright 2022 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package aliasgen + +import ( + "fmt" + "go/doc" + "go/types" + "io" + "log" + "os" + "path/filepath" + "strings" + "time" + + "golang.org/x/tools/go/packages" +) + +const ( + softLineBreak = 77 +) + +// Run generators aliases from the srcDir into the destDir and tidies required +// files. +func Run(srcDir, destDir string) error { + am, err := createMappings(srcDir) + if err != nil { + return err + } + if err := am.WriteAliases(destDir); err != nil { + return err + } + if err := goImports(destDir); err != nil { + return err + } + if err := goModTidy(destDir); err != nil { + return err + } + return nil +} + +// Loads information about a Go package in the specified directory and returns +// the information required to properly create aliases for the public surface. +func createMappings(dir string) (*aliasGenerator, error) { + log.Printf("creating mappings for: %q", dir) + conf := &packages.Config{ + Mode: packages.NeedName | packages.NeedTypes | packages.NeedDeps | packages.NeedSyntax, + Dir: dir, + } + + // Load all package info. + pkgs, err := packages.Load(conf) + if err != nil { + return nil, err + } + if len(pkgs) != 1 { + return nil, fmt.Errorf("found %d packages is %s, expected 1", len(pkgs), dir) + } + pkg := pkgs[0] + am := &aliasGenerator{ + importPath: pkg.PkgPath, + pkg: strings.TrimSuffix(pkg.Name, "pb"), + } + + // Load corresponding documentation. + docPkg, err := doc.NewFromFiles(pkg.Fset, pkg.Syntax, pkg.PkgPath) + if err != nil { + return nil, err + } + identToDoc := make(map[string]string, len(docPkg.Types)) + for _, t := range docPkg.Types { + identToDoc[t.Name] = t.Doc + } + + // Copy information over for all public members. + for _, name := range pkg.Types.Scope().Names() { + obj := pkg.Types.Scope().Lookup(name) + if !obj.Exported() { + continue + } + switch obj.(type) { + case *types.Var: + am.vars = append(am.vars, obj.Name()) + case *types.Const: + am.consts = append(am.consts, obj.Name()) + case *types.TypeName: + am.typeNames = append(am.typeNames, &namedType{ + name: obj.Name(), + doc: identToDoc[obj.Name()], + }) + case *types.Func: + f, err := processFunction(obj.(*types.Func)) + if err != nil { + return nil, err + } + am.funcs = append(am.funcs, f) + default: + return nil, fmt.Errorf("unable to associate %q with type %T", obj.Name(), obj) + } + } + return am, nil +} + +// processFunction parses types information from a function signature. +func processFunction(f *types.Func) (*function, error) { + fn := &function{ + name: f.Name(), + } + sig, ok := f.Type().(*types.Signature) + if !ok { + return nil, fmt.Errorf("unexpected type %+v", f.Type()) + } + params, err := processTuple(sig.Params()) + if err != nil { + return nil, err + } + fn.params = append(fn.params, params...) + returns, err := processTuple(sig.Results()) + if err != nil { + return nil, err + } + fn.returns = append(fn.returns, returns...) + return fn, nil +} + +func processTuple(t *types.Tuple) ([]*typeInfo, error) { + var tis []*typeInfo + for i := 0; i < t.Len(); i++ { + ti := &typeInfo{} + v := t.At(i) + ti.name = v.Name() + obj, isPtr, err := getTypeNameForFn(v.Type(), false) + if err != nil { + return nil, err + } + ti.typeName = obj.Name() + ti.pkg = obj.Pkg().Name() + ti.isPtr = isPtr + tis = append(tis, ti) + } + return tis, nil +} + +// getTypeNameForFn recursively extracts information for function parameter and +// return values. +func getTypeNameForFn(t types.Type, isPtr bool) (*types.TypeName, bool, error) { + if n, ok := t.(*types.Named); ok { + return n.Obj(), isPtr, nil + } else if p, ok := t.(*types.Pointer); ok { + return getTypeNameForFn(p.Elem(), true) + } + return nil, false, fmt.Errorf("unexpected type %+v", t) +} + +// aliasGenerator contains the information about a package required to generate +// aliases for its types. +type aliasGenerator struct { + importPath string + pkg string + typeNames []*namedType + vars []string + consts []string + funcs []*function +} + +type namedType struct { + name string + doc string +} + +// WriteAliases uses the internal state to create a file that contains all the +// alias mappings in the specified directory. +func (am *aliasGenerator) WriteAliases(dir string) error { + log.Printf("writing aliases to: %q", dir) + os.MkdirAll(dir, os.ModePerm) + f, err := os.OpenFile(filepath.Join(dir, "alias.go"), os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644) + if err != nil { + return err + } + defer f.Close() + if err := am.writeHeader(f); err != nil { + return err + } + if err := am.writeConsts(f); err != nil { + return err + } + if err := am.writeVars(f); err != nil { + return err + } + if err := am.writeTypeNames(f); err != nil { + return err + } + if err := am.writeFuncs(f); err != nil { + return err + } + return nil +} + +func (am *aliasGenerator) writeHeader(w io.Writer) error { + header := fmt.Sprintf(`// Copyright %d Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Code generated by aliasgen. DO NOT EDIT. + +// Package %s aliases all exported identifiers in package +// %q. +// +// Deprecated: Please use types in: %s +package %s + +import ( + src %q + grpc "google.golang.org/grpc" +) + +`, time.Now().Year(), am.pkg, am.importPath, am.importPath, am.pkg, am.importPath) + if _, err := io.Copy(w, strings.NewReader(header)); err != nil { + return err + } + return nil +} + +func (am *aliasGenerator) writeConsts(w io.Writer) error { + if len(am.consts) == 0 { + return nil + } + if _, err := fmt.Fprintf(w, "// Deprecated: Please use consts in: %s\n", am.importPath); err != nil { + return err + } + if _, err := fmt.Fprintf(w, "const (\n"); err != nil { + return err + } + for _, v := range am.consts { + if _, err := fmt.Fprintf(w, "\t%s = src.%s\n", v, v); err != nil { + return err + } + } + if _, err := fmt.Fprintf(w, ")\n\n"); err != nil { + return err + } + return nil +} + +func (am *aliasGenerator) writeVars(w io.Writer) error { + if len(am.vars) == 0 { + return nil + } + if _, err := fmt.Fprintf(w, "// Deprecated: Please use vars in: %s\n", am.importPath); err != nil { + return err + } + if _, err := fmt.Fprintf(w, "var (\n"); err != nil { + return err + } + for _, v := range am.vars { + if _, err := fmt.Fprintf(w, "\t%s = src.%s\n", v, v); err != nil { + return err + } + } + if _, err := fmt.Fprintf(w, ")\n\n"); err != nil { + return err + } + return nil +} + +func (am *aliasGenerator) writeTypeNames(w io.Writer) error { + for _, v := range am.typeNames { + if v.doc != "" { + if _, err := fmt.Fprint(w, formatComment(v.doc, am.importPath)); err != nil { + return err + } + } + if _, err := fmt.Fprintf(w, "type %s = src.%s\n", v.name, v.name); err != nil { + return err + } + } + if _, err := fmt.Fprintf(w, "\n"); err != nil { + return err + } + return nil +} + +func (am *aliasGenerator) writeFuncs(w io.Writer) error { + for _, f := range am.funcs { + if _, err := fmt.Fprintf(w, "// Deprecated: Please use funcs in: %s\n", am.importPath); err != nil { + return err + } + if _, err := fmt.Fprintf(w, "func %s(", f.name); err != nil { + return err + } + + // write param info + for i, p := range f.params { + if i != 0 { + if _, err := fmt.Fprintf(w, ", "); err != nil { + return err + } + } + if _, err := fmt.Fprintf(w, "%s %s", p.name, p.FullType(am.pkg)); err != nil { + return err + } + } + if _, err := fmt.Fprintf(w, ")"); err != nil { + return err + } + + // build return info + if len(f.returns) > 1 { + return fmt.Errorf("expected max of 1 return value for %q, found: %d", f.name, len(f.returns)) + } + if len(f.returns) == 1 { + if _, err := fmt.Fprintf(w, " %s", f.returns[0].FullType(am.pkg)); err != nil { + return err + } + } + + // write body + fmt.Fprintf(w, " { ") + if len(f.returns) > 0 { + if _, err := fmt.Fprintf(w, "return "); err != nil { + return nil + } + } + if _, err := fmt.Fprintf(w, "src.%s(", f.name); err != nil { + return nil + } + for i, p := range f.params { + if i != 0 { + if _, err := fmt.Fprintf(w, ", "); err != nil { + return err + } + } + if _, err := fmt.Fprintf(w, p.name); err != nil { + return err + } + } + if _, err := fmt.Fprintf(w, ") }\n"); err != nil { + return err + } + } + return nil +} + +type function struct { + name string + params []*typeInfo + returns []*typeInfo +} + +type typeInfo struct { + pkg string + isPtr bool + name string + typeName string +} + +// FullType +func (ti *typeInfo) FullType(pkg string) string { + var sb strings.Builder + if ti.isPtr { + sb.WriteString("*") + } + var p string + if ti.pkg != pkg { + p = ti.pkg + "." + } + sb.WriteString(fmt.Sprintf("%s%s", p, ti.typeName)) + return sb.String() +} + +func formatComment(doc, pkg string) string { + var sb strings.Builder + ss := strings.Fields(doc) + var ssi int + var lineLen int + for i, str := range ss { + // Add one to account for spaces between words. + if (len(str) + lineLen + 1) < softLineBreak { + lineLen = lineLen + len(str) + 1 + } else if lineLen == 0 { + sb.WriteString(fmt.Sprintf("// %s\n", str)) + ssi = i + 1 + } else { + sb.WriteString(fmt.Sprintf("// %s\n", strings.Join(ss[ssi:i], " "))) + ssi = i + lineLen = len(str) + } + } + if ssi != len(ss) { + sb.WriteString(fmt.Sprintf("// %s\n", strings.Join(ss[ssi:], " "))) + } + sb.WriteString(fmt.Sprintf("//\n// Deprecated: Please use types in: %s\n", pkg)) + return sb.String() +} diff --git a/internal/aliasgen/aliasgen_test.go b/internal/aliasgen/aliasgen_test.go new file mode 100644 index 000000000000..89eddbb0cca6 --- /dev/null +++ b/internal/aliasgen/aliasgen_test.go @@ -0,0 +1,76 @@ +// Copyright 2022 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//go:build go1.18 +// +build go1.18 + +package aliasgen + +import ( + "bytes" + "flag" + "os" + "path/filepath" + "testing" + + // needed for package loading/parsing to work properly + "github.com/google/go-cmp/cmp" + _ "google.golang.org/grpc" +) + +var updateGoldens bool + +func TestMain(m *testing.M) { + flag.BoolVar(&updateGoldens, "update-goldens", false, "Update the golden files") + flag.Parse() + isTest = true + os.Exit(m.Run()) +} + +func TestGolden(t *testing.T) { + srcDir := "testdata/fakepb" + goldenDir := "testdata/golden" + destDir := t.TempDir() + + if updateGoldens { + os.RemoveAll(goldenDir) + if err := Run(srcDir, filepath.Join(goldenDir, "fake")); err != nil { + t.Fatalf("Run: %v", err) + } + t.Logf("Successfully updated golden files in %q", goldenDir) + return + } + if err := Run(srcDir, destDir); err != nil { + t.Fatalf("Run: %v", err) + } + + // compare files excluding first header line with year + gotBytes, err := os.ReadFile(filepath.Join(destDir, "alias.go")) + if err != nil { + t.Fatalf("ReadFile: %v", err) + } + wantBytes, err := os.ReadFile(filepath.Join(goldenDir, "fake", "alias.go")) + if err != nil { + t.Fatalf("ReadFile: %v", err) + } + gotBytes = gotBytes[bytes.IndexRune(gotBytes, '\n')+1:] + wantBytes = wantBytes[bytes.IndexRune(wantBytes, '\n')+1:] + if diff := cmp.Diff(wantBytes, gotBytes); diff != "" { + t.Errorf("bytes mismatch (-want +got):\n%s", diff) + } + + if ok := bytes.Equal(gotBytes, wantBytes); !ok { + t.Fatalf("got %s, want %s", gotBytes, wantBytes) + } +} diff --git a/internal/aliasgen/cmd/main.go b/internal/aliasgen/cmd/main.go new file mode 100644 index 000000000000..bc6782e74a0f --- /dev/null +++ b/internal/aliasgen/cmd/main.go @@ -0,0 +1,37 @@ +// Copyright 2022 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package main + +import ( + "flag" + "log" + + "cloud.google.com/go/internal/aliasgen" +) + +var ( + srcDir = flag.String("source", "", "the source directory to scan to make aliases") + destDir = flag.String("destination", "", "the destination directory where the aliases will be generated") +) + +func main() { + flag.Parse() + if *srcDir == "" || *destDir == "" { + log.Fatalf("need to specify a source and destination") + } + if err := aliasgen.Run(*srcDir, *destDir); err != nil { + log.Fatal(err) + } +} diff --git a/internal/aliasgen/exec.go b/internal/aliasgen/exec.go new file mode 100644 index 000000000000..9e117a92191c --- /dev/null +++ b/internal/aliasgen/exec.go @@ -0,0 +1,39 @@ +// Copyright 2022 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package aliasgen + +import ( + "log" + "os/exec" +) + +var isTest bool + +func goImports(dir string) error { + log.Println("Running `goimports`") + cmd := exec.Command("goimports", "-w", ".") + cmd.Dir = dir + return cmd.Run() +} + +func goModTidy(dir string) error { + if isTest { + return nil + } + log.Println("Running `go mod tidy`") + cmd := exec.Command("go", "mod", "tidy") + cmd.Dir = dir + return cmd.Run() +} diff --git a/internal/aliasgen/go.mod b/internal/aliasgen/go.mod new file mode 100644 index 000000000000..fbb87085ebfe --- /dev/null +++ b/internal/aliasgen/go.mod @@ -0,0 +1,19 @@ +module cloud.google.com/go/internal/aliasgen + +go 1.19 + +require ( + github.com/google/go-cmp v0.5.6 + golang.org/x/tools v0.1.12 + google.golang.org/grpc v1.48.0 +) + +require ( + github.com/golang/protobuf v1.5.2 // indirect + golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 // indirect + golang.org/x/net v0.0.0-20220722155237-a158d28d115b // indirect + golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f // indirect + golang.org/x/text v0.3.7 // indirect + google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 // indirect + google.golang.org/protobuf v1.27.1 // indirect +) diff --git a/internal/aliasgen/go.sum b/internal/aliasgen/go.sum new file mode 100644 index 000000000000..dceb7a39fa26 --- /dev/null +++ b/internal/aliasgen/go.sum @@ -0,0 +1,134 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY= +github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= +github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= +github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= +github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod 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000000000000..de55e51a569f --- /dev/null +++ b/internal/aliasgen/testdata/fakepb/fake.pb.go @@ -0,0 +1,66 @@ +// Copyright 2022 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package fakepb + +import ( + "context" + + "google.golang.org/grpc" + "google.golang.org/grpc/codes" + "google.golang.org/grpc/status" +) + +var _ grpc.ClientConnInterface + +// FooServiceClient is an interface. +type FooServiceClient interface { + CreateFoo(ctx context.Context, in *CreateFooRequest, opts ...grpc.CallOption) (*CreateFooResponse, error) + ListFoos(ctx context.Context, in *ListFoosRequest, opts ...grpc.CallOption) (*ListFoosResponse, error) +} + +func NewFooServiceClient(cc grpc.ClientConnInterface) FooServiceClient { + return &fooServiceClient{cc} +} + +type fooServiceClient struct { + cc grpc.ClientConnInterface +} + +func (c *fooServiceClient) CreateFoo(ctx context.Context, in *CreateFooRequest, opts ...grpc.CallOption) (*CreateFooResponse, error) { + return nil, nil +} +func (c *fooServiceClient) ListFoos(ctx context.Context, in *ListFoosRequest, opts ...grpc.CallOption) (*ListFoosResponse, error) { + return nil, nil +} + +// FooServiceServer is an interface. +type FooServiceServer interface { + ListFoos(context.Context, *ListFoosRequest) (*ListFoosResponse, error) + CreateFoo(context.Context, *CreateFooRequest) (*Foo, error) +} + +// UnimplementedFooServiceServer is a struct. +type UnimplementedFooServiceServer struct{} + +func (*UnimplementedFooServiceServer) ListFoos(context.Context, *ListFoosRequest) (*ListFoosResponse, error) { + return nil, status.Errorf(codes.Unimplemented, "method ListFoos not implemented") +} +func (*UnimplementedFooServiceServer) CreateFoo(context.Context, *CreateFooRequest) (*Foo, error) { + return nil, status.Errorf(codes.Unimplemented, "method CreateFoo not implemented") +} + +func RegisterFooServiceServer(s *grpc.Server, srv FooServiceServer) { + s.RegisterService(nil, srv) +} diff --git a/internal/aliasgen/testdata/fakepb/fake2.pb.go b/internal/aliasgen/testdata/fakepb/fake2.pb.go new file mode 100644 index 000000000000..60f668c06a23 --- /dev/null +++ b/internal/aliasgen/testdata/fakepb/fake2.pb.go @@ -0,0 +1,69 @@ +// Copyright 2022 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package fakepb + +// FooVersion_State is an int type. +type FooVersion_State int32 + +const ( + Foo_STATE_UNSPECIFIED FooVersion_State = 0 + FooVersion_ENABLED FooVersion_State = 1 + SecretVersion_DISABLED FooVersion_State = 2 +) + +var ( + FooVersion_State_name = map[int32]string{ + 0: "STATE_UNSPECIFIED", + 1: "ENABLED", + 2: "DISABLED", + } + FooVersion_State_value = map[string]int32{ + "STATE_UNSPECIFIED": 0, + "ENABLED": 1, + "DISABLED": 2, + } +) + +// CreateFooRequest is a struct. +type CreateFooRequest struct{} + +// CreateFooResponse is a struct. +type CreateFooResponse struct{} + +// ListFoosRequest is a struct. +type ListFoosRequest struct{} + +// ListFoosResponse is a struct. +type ListFoosResponse struct{} + +// Foo is a struct. +type Foo struct { + State FooVersion_State +} + +const ( + dontAliasThisConst = 0 +) + +var ( + dontAliasThisVar = 0 +) + +type dontAliasThisInterface interface { + Bar() +} +type dontAliasThisStruct struct { + Bar string +} diff --git a/internal/aliasgen/testdata/golden/fake/alias.go b/internal/aliasgen/testdata/golden/fake/alias.go new file mode 100644 index 000000000000..fd4c90844148 --- /dev/null +++ b/internal/aliasgen/testdata/golden/fake/alias.go @@ -0,0 +1,94 @@ +// Copyright 2022 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Code generated by aliasgen. DO NOT EDIT. + +// Package fake aliases all exported identifiers in package +// "cloud.google.com/go/internal/aliasgen/testdata/fakepb". +// +// Deprecated: Please use types in: cloud.google.com/go/internal/aliasgen/testdata/fakepb +package fake + +import ( + src "cloud.google.com/go/internal/aliasgen/testdata/fakepb" + grpc "google.golang.org/grpc" +) + +// Deprecated: Please use consts in: cloud.google.com/go/internal/aliasgen/testdata/fakepb +const ( + FooVersion_ENABLED = src.FooVersion_ENABLED + Foo_STATE_UNSPECIFIED = src.Foo_STATE_UNSPECIFIED + SecretVersion_DISABLED = src.SecretVersion_DISABLED +) + +// Deprecated: Please use vars in: cloud.google.com/go/internal/aliasgen/testdata/fakepb +var ( + FooVersion_State_name = src.FooVersion_State_name + FooVersion_State_value = src.FooVersion_State_value +) + +// CreateFooRequest is a struct. +// +// Deprecated: Please use types in: cloud.google.com/go/internal/aliasgen/testdata/fakepb +type CreateFooRequest = src.CreateFooRequest + +// CreateFooResponse is a struct. +// +// Deprecated: Please use types in: cloud.google.com/go/internal/aliasgen/testdata/fakepb +type CreateFooResponse = src.CreateFooResponse + +// Foo is a struct. +// +// Deprecated: Please use types in: cloud.google.com/go/internal/aliasgen/testdata/fakepb +type Foo = src.Foo + +// FooServiceClient is an interface. +// +// Deprecated: Please use types in: cloud.google.com/go/internal/aliasgen/testdata/fakepb +type FooServiceClient = src.FooServiceClient + +// FooServiceServer is an interface. +// +// Deprecated: Please use types in: cloud.google.com/go/internal/aliasgen/testdata/fakepb +type FooServiceServer = src.FooServiceServer + +// FooVersion_State is an int type. +// +// Deprecated: Please use types in: cloud.google.com/go/internal/aliasgen/testdata/fakepb +type FooVersion_State = src.FooVersion_State + +// ListFoosRequest is a struct. +// +// Deprecated: Please use types in: cloud.google.com/go/internal/aliasgen/testdata/fakepb +type ListFoosRequest = src.ListFoosRequest + +// ListFoosResponse is a struct. +// +// Deprecated: Please use types in: cloud.google.com/go/internal/aliasgen/testdata/fakepb +type ListFoosResponse = src.ListFoosResponse + +// UnimplementedFooServiceServer is a struct. +// +// Deprecated: Please use types in: cloud.google.com/go/internal/aliasgen/testdata/fakepb +type UnimplementedFooServiceServer = src.UnimplementedFooServiceServer + +// Deprecated: Please use funcs in: cloud.google.com/go/internal/aliasgen/testdata/fakepb +func NewFooServiceClient(cc grpc.ClientConnInterface) fakepb.FooServiceClient { + return src.NewFooServiceClient(cc) +} + +// Deprecated: Please use funcs in: cloud.google.com/go/internal/aliasgen/testdata/fakepb +func RegisterFooServiceServer(s *grpc.Server, srv fakepb.FooServiceServer) { + src.RegisterFooServiceServer(s, srv) +}