refactor: drop all unused code and fix linter warnings

Signed-off-by: Christian Stewart <[email protected]>

.golangci.yml

@@ -65,3 +65,5 @@ issues:
 
   exclude:
     - G601
+    - G306
+    - G204

cmd/protoc-gen-go/annotation_test.go

@@ -6,24 +6,24 @@ package main
 
 import (
 	"bytes"
-	"io/ioutil"
+	"os"
 	"testing"
 
+	"github.com/aperturerobotics/protobuf-go-lite/internal/genid"
 	"github.com/google/go-cmp/cmp"
 	"google.golang.org/protobuf/encoding/prototext"
-	"github.com/aperturerobotics/protobuf-go-lite/internal/genid"
 	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/testing/protocmp"
 
 	"google.golang.org/protobuf/types/descriptorpb"
 )
 
 func TestAnnotations(t *testing.T) {
-	sourceFile, err := ioutil.ReadFile("testdata/annotations/annotations.pb.go")
+	sourceFile, err := os.ReadFile("testdata/annotations/annotations.pb.go")
 	if err != nil {
 		t.Fatal(err)
 	}
-	metaFile, err := ioutil.ReadFile("testdata/annotations/annotations.pb.go.meta")
+	metaFile, err := os.ReadFile("testdata/annotations/annotations.pb.go.meta")
 	if err != nil {
 		t.Fatal(err)
 	}

cmd/protoc-gen-go/internal_gengo/main.go

@@ -31,8 +31,10 @@ import (
 // SupportedFeatures reports the set of supported protobuf language features.
 var SupportedFeatures = uint64(pluginpb.CodeGeneratorResponse_FEATURE_PROTO3_OPTIONAL | pluginpb.CodeGeneratorResponse_FEATURE_SUPPORTS_EDITIONS)
 
-var SupportedEditionsMinimum = editionssupport.Minimum
-var SupportedEditionsMaximum = editionssupport.Maximum
+var (
+	SupportedEditionsMinimum = editionssupport.Minimum
+	SupportedEditionsMaximum = editionssupport.Maximum
+)
 
 // GenerateVersionMarkers specifies whether to generate version markers.
 var GenerateVersionMarkers = true
@@ -56,7 +58,6 @@ const (
 // on the dependencies of generated source code.
 var (
 	protoPackage         goImportPath = protogen.GoImportPath("google.golang.org/protobuf/proto")
-	protoifacePackage    goImportPath = protogen.GoImportPath("google.golang.org/protobuf/runtime/protoiface")
 	protoimplPackage     goImportPath = protogen.GoImportPath("google.golang.org/protobuf/runtime/protoimpl")
 	protojsonPackage     goImportPath = protogen.GoImportPath("google.golang.org/protobuf/encoding/protojson")
 	protoreflectPackage  goImportPath = protogen.GoImportPath("google.golang.org/protobuf/reflect/protoreflect")

cmd/protoc-gen-go/internal_gengo/reflect.go

@@ -301,72 +301,37 @@ func genFileDescriptor(gen *protogen.Plugin, g *protogen.GeneratedFile, f *fileI
 	}
 }
 
-func genEnumReflectMethods(g *protogen.GeneratedFile, f *fileInfo, e *enumInfo) {
-	idx := f.allEnumsByPtr[e]
-	typesVar := enumTypesVarName(f)
-
-	// Descriptor method.
-	g.P("func (", e.GoIdent, ") Descriptor() ", protoreflectPackage.Ident("EnumDescriptor"), " {")
-	g.P("return ", typesVar, "[", idx, "].Descriptor()")
-	g.P("}")
-	g.P()
-
-	// Type method.
-	g.P("func (", e.GoIdent, ") Type() ", protoreflectPackage.Ident("EnumType"), " {")
-	g.P("return &", typesVar, "[", idx, "]")
-	g.P("}")
-	g.P()
-
-	// Number method.
-	g.P("func (x ", e.GoIdent, ") Number() ", protoreflectPackage.Ident("EnumNumber"), " {")
-	g.P("return ", protoreflectPackage.Ident("EnumNumber"), "(x)")
-	g.P("}")
-	g.P()
-}
-
-func genMessageReflectMethods(g *protogen.GeneratedFile, f *fileInfo, m *messageInfo) {
-	idx := f.allMessagesByPtr[m]
-	typesVar := messageTypesVarName(f)
-
-	// ProtoReflect method.
-	g.P("func (x *", m.GoIdent, ") ProtoReflect() ", protoreflectPackage.Ident("Message"), " {")
-	g.P("mi := &", typesVar, "[", idx, "]")
-	g.P("if ", protoimplPackage.Ident("UnsafeEnabled"), " && x != nil {")
-	g.P("ms := ", protoimplPackage.Ident("X"), ".MessageStateOf(", protoimplPackage.Ident("Pointer"), "(x))")
-	g.P("if ms.LoadMessageInfo() == nil {")
-	g.P("ms.StoreMessageInfo(mi)")
-	g.P("}")
-	g.P("return ms")
-	g.P("}")
-	g.P("return mi.MessageOf(x)")
-	g.P("}")
-	g.P()
-}
-
 func fileVarName(f *protogen.File, suffix string) string {
 	prefix := f.GoDescriptorIdent.GoName
 	_, n := utf8.DecodeRuneInString(prefix)
 	prefix = strings.ToLower(prefix[:n]) + prefix[n:]
 	return prefix + "_" + suffix
 }
+
 func rawDescVarName(f *fileInfo) string {
 	return fileVarName(f.File, "rawDesc")
 }
+
 func goTypesVarName(f *fileInfo) string {
 	return fileVarName(f.File, "goTypes")
 }
+
 func depIdxsVarName(f *fileInfo) string {
 	return fileVarName(f.File, "depIdxs")
 }
+
 func enumTypesVarName(f *fileInfo) string {
 	return fileVarName(f.File, "enumTypes")
 }
+
 func messageTypesVarName(f *fileInfo) string {
 	return fileVarName(f.File, "msgTypes")
 }
+
 func extensionTypesVarName(f *fileInfo) string {
 	return fileVarName(f.File, "extTypes")
 }
+
 func initFuncName(f *protogen.File) string {
 	return fileVarName(f, "init")
 }

cmd/protoc-gen-go/main.go

@@ -21,8 +21,10 @@ import (
 	"github.com/aperturerobotics/protobuf-go-lite/internal/version"
 )
 
-const genGoDocURL = "https://protobuf.dev/reference/go/go-generated"
-const grpcDocURL = "https://grpc.io/docs/languages/go/quickstart/#regenerate-grpc-code"
+const (
+	genGoDocURL = "https://protobuf.dev/reference/go/go-generated"
+	grpcDocURL  = "https://grpc.io/docs/languages/go/quickstart/#regenerate-grpc-code"
+)
 
 func main() {
 	if len(os.Args) == 2 && os.Args[1] == "--version" {