refactor(protoc): migrate to protocompile experimental compiler with embedded proto deps

.github/workflows/lint.yml

@@ -2,9 +2,9 @@ name: Lint
 
 on:
   push:
-    branches: [ master, main ]
+    branches: [master, main]
   pull_request:
-    branches: [ master, main ]
+    branches: [master, main]
 
 jobs:
   golangci:
@@ -23,7 +23,7 @@ jobs:
         uses: golangci/golangci-lint-action@v9.2.0
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
-          version: v2.2.1
+          version: latest
 
       - name: Install Buf
         uses: bufbuild/buf-action@v1
@@ -43,3 +43,14 @@ jobs:
             git diff
             exit 1
           fi
+
+      - name: Go Generate and Check
+        run: |
+          go generate ./...
+          if ! git diff --quiet; then
+            echo "Error: 'go generate ./...' produced uncommitted changes."
+            echo "Run 'go generate ./...' locally and commit the result."
+            git status --short
+            git diff
+            exit 1
+          fi

.github/workflows/publish-module-to-bsr.yml

@@ -2,8 +2,8 @@ name: Publish modules to the BSR
 
 on:
   push:
-    branches: [ master, main ]
-    tags: [ "*" ]
+    branches: [master, main]
+    tags: ["*"]
 
 jobs:
   push-module:

.github/workflows/release.yml

@@ -2,7 +2,7 @@ name: Release
 
 on:
   release:
-    types: [ published ]
+    types: [published]
   workflow_dispatch:
 
 jobs:
@@ -12,8 +12,8 @@ jobs:
     if: startsWith(github.event.release.tag_name, 'cmd/tableauc/')
     strategy:
       matrix:
-        goos: [ linux, darwin, windows ]
-        goarch: [ amd64, arm64 ]
+        goos: [linux, darwin, windows]
+        goarch: [amd64, arm64]
         exclude:
           - goos: linux
             goarch: arm64
@@ -27,7 +27,8 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.24.x"
+          go-version-file: go.mod
+          cache-dependency-path: go.sum
 
       - name: Download dependencies
         run: |

.github/workflows/testing.yml

@@ -3,7 +3,7 @@ name: Testing
 # Trigger on pushes, PRs (excluding documentation changes), and nightly.
 on:
   push:
-    branches: [ master, main ]
+    branches: [master, main]
   pull_request:
   schedule:
     - cron: 0 0 * * * # daily at 00:00
@@ -16,20 +16,20 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [ 1.24.x ]
-        os: [ ubuntu-latest, windows-latest ]
-        targetplatform: [ x86, x64 ]
+        os: [ubuntu-latest, windows-latest]
+        targetplatform: [x86, x64]
 
     runs-on: ${{ matrix.os }}
 
     steps:
+      - name: Checkout Code
+        uses: actions/checkout@v6
+
       - name: Install Go
         uses: actions/setup-go@v6
         with:
-          go-version: ${{ matrix.go-version }}
-
-      - name: Checkout Code
-        uses: actions/checkout@v6
+          go-version-file: go.mod
+          cache-dependency-path: go.sum
 
       - name: Vet
         run: go vet ./...

go.mod

@@ -1,11 +1,11 @@
 module github.com/tableauio/tableau
 
-go 1.24.0
+go 1.25.6
 
 require (
 	buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.36.11-20260209202127-80ab13bee0bf.1
 	buf.build/go/protovalidate v1.1.3
-	github.com/bufbuild/protocompile v0.14.1
+	github.com/bufbuild/protocompile v0.14.2-0.20260429155904-12ef1ef2ce91
 	github.com/emirpasic/gods v1.18.1
 	github.com/protocolbuffers/txtpbfmt v0.0.0-20240820135758-21b1d9897dc7
 	github.com/rogpeppe/go-internal v1.10.0
@@ -15,14 +15,15 @@ require (
 	github.com/valyala/fastjson v1.6.10
 	github.com/xuri/excelize/v2 v2.9.0
 	go.uber.org/zap v1.27.1
-	golang.org/x/sync v0.16.0
+	golang.org/x/sync v0.20.0
 	golang.org/x/text v0.28.0
 	google.golang.org/protobuf v1.36.11
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
+	buf.build/gen/go/bufbuild/protodescriptor/protocolbuffers/go v1.36.11-20250109164928-1da0de137947.1 // indirect
 	cel.dev/expr v0.25.1 // indirect
 	github.com/antchfx/xpath v1.3.6 // indirect
 	github.com/antlr4-go/antlr/v4 v4.13.1 // indirect
@@ -31,15 +32,18 @@ require (
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
 	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
+	github.com/petermattis/goid v0.0.0-20250319124200-ccd6737f222a // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/richardlehane/mscfb v1.0.4 // indirect
 	github.com/richardlehane/msoleps v1.0.4 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/spf13/pflag v1.0.9 // indirect
+	github.com/tidwall/btree v1.8.1 // indirect
 	github.com/xuri/efp v0.0.0-20240408161823-9ad904a10d6d // indirect
 	github.com/xuri/nfp v0.0.0-20240318013403-ab9948c2c4a7 // indirect
 	go.uber.org/multierr v1.10.0 // indirect
 	golang.org/x/crypto v0.36.0 // indirect
-	golang.org/x/exp v0.0.0-20250813145105-42675adae3e6 // indirect
+	golang.org/x/exp v0.0.0-20250911091902-df9299821621 // indirect
 	golang.org/x/net v0.37.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20250811230008-5f3141c8851a // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250811230008-5f3141c8851a // indirect

go.sum

@@ -1,3 +1,5 @@
+buf.build/gen/go/bufbuild/protodescriptor/protocolbuffers/go v1.36.11-20250109164928-1da0de137947.1 h1:HwzzCRS4ZrEm1++rzSDxHnO0DOjiT1b8I/24e8a4exY=
+buf.build/gen/go/bufbuild/protodescriptor/protocolbuffers/go v1.36.11-20250109164928-1da0de137947.1/go.mod h1:8PRKXhgNes29Tjrnv8KdZzg3I1QceOkzibW1QK7EXv0=
 buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.36.11-20260209202127-80ab13bee0bf.1 h1:PMmTMyvHScV9Mn8wc6ASge9uRcHy0jtqPd+fM35LmsQ=
 buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.36.11-20260209202127-80ab13bee0bf.1/go.mod h1:tvtbpgaVXZX4g6Pn+AnzFycuRK3MOz5HJfEGeEllXYM=
 buf.build/go/protovalidate v1.1.3 h1:m2GVEgQWd7rk+vIoAZ+f0ygGjvQTuqPQapBBdcpWVPE=
@@ -9,10 +11,12 @@ github.com/antchfx/xpath v1.3.6 h1:s0y+ElRRtTQdfHP609qFu0+c6bglDv20pqOViQjjdPI=
 github.com/antchfx/xpath v1.3.6/go.mod h1:i54GszH55fYfBmoZXapTHN8T8tkcHfRgLyVwwqzXNcs=
 github.com/antlr4-go/antlr/v4 v4.13.1 h1:SqQKkuVZ+zWkMMNkjy5FZe5mr5WURWnlpmOuzYWrPrQ=
 github.com/antlr4-go/antlr/v4 v4.13.1/go.mod h1:GKmUxMtwp6ZgGwZSva4eWPC5mS6vUAmOABFgjdkM7Nw=
+github.com/bmatcuk/doublestar/v4 v4.10.0 h1:zU9WiOla1YA122oLM6i4EXvGW62DvKZVxIe6TYWexEs=
+github.com/bmatcuk/doublestar/v4 v4.10.0/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
 github.com/brianvoe/gofakeit/v6 v6.28.0 h1:Xib46XXuQfmlLS2EXRuJpqcw8St6qSZz75OUo0tgAW4=
 github.com/brianvoe/gofakeit/v6 v6.28.0/go.mod h1:Xj58BMSnFqcn/fAQeSK+/PLtC5kSb7FJIq4JyGa8vEs=
-github.com/bufbuild/protocompile v0.14.1 h1:iA73zAf/fyljNjQKwYzUHD6AD4R8KMasmwa/FBatYVw=
-github.com/bufbuild/protocompile v0.14.1/go.mod h1:ppVdAIhbr2H8asPk6k4pY7t9zB1OU5DoEw9xY/FUi1c=
+github.com/bufbuild/protocompile v0.14.2-0.20260429155904-12ef1ef2ce91 h1:RPIMBLTMx/CRy0NVyb6yJDlGx2Vo84FsU+kAh46zqIA=
+github.com/bufbuild/protocompile v0.14.2-0.20260429155904-12ef1ef2ce91/go.mod h1:DhgqsRznX/F0sGkUYtTQJRP+q8xMReQRQ3qr+n1opWU=
 github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -34,15 +38,21 @@ github.com/mitchellh/go-wordwrap v1.0.1 h1:TLuKupo69TCn6TQSyGxwI1EblZZEsQ0vMlAFQ
 github.com/mitchellh/go-wordwrap v1.0.1/go.mod h1:R62XHJLzvMFRBbcrT7m7WgmE1eOyTSsCt+hzestvNj0=
 github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 h1:RWengNIwukTxcDr9M+97sNutRR1RKhG96O6jWumTTnw=
 github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826/go.mod h1:TaXosZuwdSHYgviHp1DAtfrULt5eUgsSMsZf+YrPgl8=
+github.com/petermattis/goid v0.0.0-20250319124200-ccd6737f222a h1:S+AGcmAESQ0pXCUNnRH7V+bOUIgkSX5qVt2cNKCrm0Q=
+github.com/petermattis/goid v0.0.0-20250319124200-ccd6737f222a/go.mod h1:pxMtw7cyUw6B2bRH0ZBANSPg+AoSud1I1iyJHI69jH4=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/protocolbuffers/protoscope v0.0.0-20221109213918-8e7a6aafa2c9 h1:arwj11zP0yJIxIRiDn22E0H8PxfF7TsTrc2wIPFIsf4=
+github.com/protocolbuffers/protoscope v0.0.0-20221109213918-8e7a6aafa2c9/go.mod h1:SKZx6stCn03JN3BOWTwvVIO2ajMkb/zQdTceXYhKw/4=
 github.com/protocolbuffers/txtpbfmt v0.0.0-20240820135758-21b1d9897dc7 h1:GkKZUEPNgwIk3LK4Er5vxnaNKk1pdjI3Oc6oTBwBsxQ=
 github.com/protocolbuffers/txtpbfmt v0.0.0-20240820135758-21b1d9897dc7/go.mod h1:jgxiZysxFPM+iWKwQwPR+y+Jvo54ARd4EisXxKYpB5c=
 github.com/richardlehane/mscfb v1.0.4 h1:WULscsljNPConisD5hR0+OyZjwK46Pfyr6mPu5ZawpM=
 github.com/richardlehane/mscfb v1.0.4/go.mod h1:YzVpcZg9czvAuhk9T+a3avCpcFPMUWm7gK3DypaEsUk=
 github.com/richardlehane/msoleps v1.0.1/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=
 github.com/richardlehane/msoleps v1.0.4 h1:WuESlvhX3gH2IHcd8UqyCuFY5yiq/GR/yqaSM/9/g00=
 github.com/richardlehane/msoleps v1.0.4/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=
+github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
+github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
 github.com/rodaine/protogofakeit v0.1.1 h1:ZKouljuRM3A+TArppfBqnH8tGZHOwM/pjvtXe9DaXH8=
 github.com/rodaine/protogofakeit v0.1.1/go.mod h1:pXn/AstBYMaSfc1/RqH3N82pBuxtWgejz1AlYpY1mI0=
 github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
@@ -56,6 +66,8 @@ github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/subchen/go-xmldom v1.1.2 h1:7evI2YqfYYOnuj+PBwyaOZZYjl3iWq35P6KfBUw9jeU=
 github.com/subchen/go-xmldom v1.1.2/go.mod h1:6Pg/HuX5/T4Jlj0IPJF1sRxKVoI/rrKP6LIMge9d5/8=
+github.com/tidwall/btree v1.8.1 h1:27ehoXvm5AG/g+1VxLS1SD3vRhp/H7LuEfwNvddEdmA=
+github.com/tidwall/btree v1.8.1/go.mod h1:jBbTdUWhSZClZWoDg54VnvV7/54modSOzDN7VXftj1A=
 github.com/valyala/fastjson v1.6.10 h1:/yjJg8jaVQdYR3arGxPE2X5z89xrlhS0eGXdv+ADTh4=
 github.com/valyala/fastjson v1.6.10/go.mod h1:e6FubmQouUNP73jtMLmcbxS6ydWIpOfhz34TSfO3JaE=
 github.com/xuri/efp v0.0.0-20240408161823-9ad904a10d6d h1:llb0neMWDQe87IzJLS4Ci7psK/lVsjIS2otl+1WyRyY=
@@ -74,14 +86,14 @@ go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc=
 go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
 golang.org/x/crypto v0.36.0 h1:AnAEvhDddvBdpY+uR+MyHmuZzzNqXSe/GvuDeob5L34=
 golang.org/x/crypto v0.36.0/go.mod h1:Y4J0ReaxCR1IMaabaSMugxJES1EpwhBHhv2bDHklZvc=
-golang.org/x/exp v0.0.0-20250813145105-42675adae3e6 h1:SbTAbRFnd5kjQXbczszQ0hdk3ctwYf3qBNH9jIsGclE=
-golang.org/x/exp v0.0.0-20250813145105-42675adae3e6/go.mod h1:4QTo5u+SEIbbKW1RacMZq1YEfOBqeXa19JeshGi+zc4=
+golang.org/x/exp v0.0.0-20250911091902-df9299821621 h1:2id6c1/gto0kaHYyrixvknJ8tUK/Qs5IsmBtrc+FtgU=
+golang.org/x/exp v0.0.0-20250911091902-df9299821621/go.mod h1:TwQYMMnGpvZyc+JpB/UAuTNIsVJifOlSkrZkhcvpVUk=
 golang.org/x/image v0.18.0 h1:jGzIakQa/ZXI1I0Fxvaa9W7yP25TqT6cHIHn+6CqvSQ=
 golang.org/x/image v0.18.0/go.mod h1:4yyo5vMFQjVjUcVk4jEQcU9MGy/rulF5WvUILseCM2E=
 golang.org/x/net v0.37.0 h1:1zLorHbz+LYj7MQlSf1+2tPIIgibq2eL5xkrGk6f+2c=
 golang.org/x/net v0.37.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
-golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
-golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.20.0 h1:e0PTpb7pjO8GAtTs2dQ6jYa5BWYlMuX047Dco/pItO4=
+golang.org/x/sync v0.20.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
 golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
 golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
 google.golang.org/genproto/googleapis/api v0.0.0-20250811230008-5f3141c8851a h1:DMCgtIAIQGZqJXMVzJF4MV8BlWoJh2ZuFiRdAleyr58=

internal/protogen/exporter.go

@@ -388,7 +388,7 @@ func (x *sheetExporter) findMDFromGeneratedProtos(name string) protoreflect.Mess
 		return nil
 	}
 	fullName := protoreflect.FullName(x.be.ProtoPackage).Append(protoreflect.Name(name))
-	descriptor, err := x.be.gen.ProtoRegistryFilesWithGenerated.FindDescriptorByName(fullName)
+	descriptor, err := x.be.gen.GetProtoRegistryFilesWithGenerated().FindDescriptorByName(fullName)
 	if err != nil {
 		return nil
 	}

internal/protogen/exporter_test.go

@@ -625,7 +625,7 @@ func Test_sheetExporter_exportStruct(t *testing.T) {
 						OutputOpt: &options.ProtoOutputOption{
 							PreserveFieldNumbers: true,
 						},
-						ProtoRegistryFilesWithGenerated: protoregistry.GlobalFiles,
+						protoRegistryFilesWithGenerated: protoregistry.GlobalFiles,
 					},
 				},
 				typeInfos:      &xproto.TypeInfos{},
@@ -662,7 +662,7 @@ func Test_sheetExporter_exportStruct(t *testing.T) {
 						OutputOpt: &options.ProtoOutputOption{
 							PreserveFieldNumbers: true,
 						},
-						ProtoRegistryFilesWithGenerated: protoregistry.GlobalFiles,
+						protoRegistryFilesWithGenerated: protoregistry.GlobalFiles,
 					},
 				},
 				typeInfos:      &xproto.TypeInfos{},
@@ -789,7 +789,7 @@ func Test_sheetExporter_exportUnion(t *testing.T) {
 						OutputOpt: &options.ProtoOutputOption{
 							PreserveFieldNumbers: true,
 						},
-						ProtoRegistryFilesWithGenerated: protoregistry.GlobalFiles,
+						protoRegistryFilesWithGenerated: protoregistry.GlobalFiles,
 					},
 				},
 				typeInfos:      &xproto.TypeInfos{},
@@ -1010,7 +1010,7 @@ func Test_sheetExporter_exportMessager(t *testing.T) {
 						OutputOpt: &options.ProtoOutputOption{
 							PreserveFieldNumbers: true,
 						},
-						ProtoRegistryFilesWithGenerated: protoregistry.GlobalFiles,
+						protoRegistryFilesWithGenerated: protoregistry.GlobalFiles,
 					},
 				},
 				typeInfos:      &xproto.TypeInfos{},
@@ -1092,7 +1092,7 @@ func Test_sheetExporter_exportMessager(t *testing.T) {
 						OutputOpt: &options.ProtoOutputOption{
 							PreserveFieldNumbers: true,
 						},
-						ProtoRegistryFilesWithGenerated: protoregistry.GlobalFiles,
+						protoRegistryFilesWithGenerated: protoregistry.GlobalFiles,
 					},
 				},
 				typeInfos:      &xproto.TypeInfos{},

internal/protogen/protogen.go

@@ -47,13 +47,17 @@ type Generator struct {
 	InputOpt     *options.ProtoInputOption
 	OutputOpt    *options.ProtoOutputOption
 
-	ProtoRegistryFiles, ProtoRegistryFilesWithGenerated *protoregistry.Files
-	ProtoRegistryTypes                                  *dynamicpb.Types
+	ProtoRegistryFiles *protoregistry.Files
+	ProtoRegistryTypes *dynamicpb.Types
 
 	// internal
 	typeInfos *xproto.TypeInfos  // predefined type infos
 	collector *xerrors.Collector // concurrent error collector shared across the generator.
 
+	// used in advanced mode or when preserveFieldNumbers is set to true
+	registryWithGeneratedOnce       sync.Once
+	protoRegistryFilesWithGenerated *protoregistry.Files
+
 	cacheMu         sync.RWMutex                 // guard fields below
 	cachedImporters map[string]importer.Importer // absolute file path -> importer
 }
@@ -86,15 +90,32 @@ func NewGeneratorWithOptions(protoPackage, indir, outdir string, opts *options.O
 		panic(err)
 	}
 	gen.ProtoRegistryFiles = registryFiles
-	registryFiles, err = gen.parseProtoRegistryFiles(true)
-	if err != nil {
-		panic(err)
-	}
-	gen.ProtoRegistryFilesWithGenerated = registryFiles
 	gen.ProtoRegistryTypes = dynamicpb.NewTypes(registryFiles)
+	// NOTE: ProtoRegistryFilesWithGenerated is lazily computed by
+	// GetProtoRegistryFilesWithGenerated() on first use.
 	return gen
 }
 
+// GetProtoRegistryFilesWithGenerated returns a registry that includes both
+// the user-specified imported protos and the previously generated protos
+// under outdir. It parses on first call (under sync.Once) and caches the
+// result in [Generator.ProtoRegistryFilesWithGenerated]; subsequent calls
+// return the cached value. If the field is already set (e.g. by tests),
+// it is returned as-is without invoking the parser.
+func (gen *Generator) GetProtoRegistryFilesWithGenerated() *protoregistry.Files {
+	if gen.protoRegistryFilesWithGenerated != nil {
+		return gen.protoRegistryFilesWithGenerated
+	}
+	gen.registryWithGeneratedOnce.Do(func() {
+		files, err := gen.parseProtoRegistryFiles(true)
+		if err != nil {
+			panic(err)
+		}
+		gen.protoRegistryFilesWithGenerated = files
+	})
+	return gen.protoRegistryFilesWithGenerated
+}
+
 func (gen *Generator) parseProtoRegistryFiles(useGeneratedProtos bool) (*protoregistry.Files, error) {
 	outdir := filepath.Join(gen.OutputDir, gen.OutputOpt.Subdir)
 	var protoFiles []string
@@ -117,7 +138,12 @@ func (gen *Generator) preprocess(useGeneratedProtos, delExisted bool) error {
 	// parse custom imported proto files
 	protoRegistryFiles := gen.ProtoRegistryFiles
 	if useGeneratedProtos {
-		protoRegistryFiles = gen.ProtoRegistryFilesWithGenerated
+		protoRegistryFiles = gen.GetProtoRegistryFilesWithGenerated()
+	}
+	if gen.OutputOpt.PreserveFieldNumbers {
+		// if preserveFieldNumbers enabled, parse generated protos before they
+		// are deleted
+		_ = gen.GetProtoRegistryFilesWithGenerated()
 	}
 	gen.typeInfos = xproto.GetAllTypeInfo(protoRegistryFiles, gen.ProtoPackage)
 	return prepareOutdir(outdir, gen.InputOpt.ProtoFiles, delExisted)

internal/tools/generate.go

@@ -1,3 +1,3 @@
 package tools
 
-//go:generate go run cmd/ecode/main.go -config ../localizer/i18n/config/ecode/en.yaml -save ../../xerrors/ecode_generated.go
+//go:generate go run cmd/ecode/main.go -config ../localizer/i18n/config/ecode/en.yaml -save ../x/xerrors/ecode_generated.go