Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 1 | package protoparse |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "fmt" |
| 6 | "math" |
| 7 | |
| 8 | "github.com/golang/protobuf/proto" |
| 9 | dpb "github.com/golang/protobuf/protoc-gen-go/descriptor" |
| 10 | |
| 11 | "github.com/jhump/protoreflect/desc" |
| 12 | "github.com/jhump/protoreflect/desc/internal" |
| 13 | "github.com/jhump/protoreflect/dynamic" |
| 14 | ) |
| 15 | |
| 16 | // NB: To process options, we need descriptors, but we may not have rich |
| 17 | // descriptors when trying to interpret options for unlinked parsed files. |
| 18 | // So we define minimal interfaces that can be backed by both rich descriptors |
| 19 | // as well as their poorer cousins, plain ol' descriptor protos. |
| 20 | |
| 21 | type descriptorish interface { |
| 22 | GetFile() fileDescriptorish |
| 23 | GetFullyQualifiedName() string |
| 24 | AsProto() proto.Message |
| 25 | } |
| 26 | |
| 27 | type fileDescriptorish interface { |
| 28 | descriptorish |
| 29 | GetFileOptions() *dpb.FileOptions |
| 30 | GetPackage() string |
| 31 | FindSymbol(name string) desc.Descriptor |
| 32 | GetPublicDependencies() []fileDescriptorish |
| 33 | GetDependencies() []fileDescriptorish |
| 34 | GetMessageTypes() []msgDescriptorish |
| 35 | GetExtensions() []fldDescriptorish |
| 36 | GetEnumTypes() []enumDescriptorish |
| 37 | GetServices() []svcDescriptorish |
| 38 | } |
| 39 | |
| 40 | type msgDescriptorish interface { |
| 41 | descriptorish |
| 42 | GetMessageOptions() *dpb.MessageOptions |
| 43 | GetFields() []fldDescriptorish |
| 44 | GetOneOfs() []oneofDescriptorish |
| 45 | GetExtensionRanges() []extRangeDescriptorish |
| 46 | GetNestedMessageTypes() []msgDescriptorish |
| 47 | GetNestedExtensions() []fldDescriptorish |
| 48 | GetNestedEnumTypes() []enumDescriptorish |
| 49 | } |
| 50 | |
| 51 | type fldDescriptorish interface { |
| 52 | descriptorish |
| 53 | GetFieldOptions() *dpb.FieldOptions |
| 54 | GetMessageType() *desc.MessageDescriptor |
| 55 | GetEnumType() *desc.EnumDescriptor |
| 56 | AsFieldDescriptorProto() *dpb.FieldDescriptorProto |
| 57 | } |
| 58 | |
| 59 | type oneofDescriptorish interface { |
| 60 | descriptorish |
| 61 | GetOneOfOptions() *dpb.OneofOptions |
| 62 | } |
| 63 | |
| 64 | type enumDescriptorish interface { |
| 65 | descriptorish |
| 66 | GetEnumOptions() *dpb.EnumOptions |
| 67 | GetValues() []enumValDescriptorish |
| 68 | } |
| 69 | |
| 70 | type enumValDescriptorish interface { |
| 71 | descriptorish |
| 72 | GetEnumValueOptions() *dpb.EnumValueOptions |
| 73 | } |
| 74 | |
| 75 | type svcDescriptorish interface { |
| 76 | descriptorish |
| 77 | GetServiceOptions() *dpb.ServiceOptions |
| 78 | GetMethods() []methodDescriptorish |
| 79 | } |
| 80 | |
| 81 | type methodDescriptorish interface { |
| 82 | descriptorish |
| 83 | GetMethodOptions() *dpb.MethodOptions |
| 84 | } |
| 85 | |
| 86 | // The hierarchy of descriptorish implementations backed by |
| 87 | // rich descriptors: |
| 88 | |
| 89 | type richFileDescriptorish struct { |
| 90 | *desc.FileDescriptor |
| 91 | } |
| 92 | |
| 93 | func (d richFileDescriptorish) GetFile() fileDescriptorish { |
| 94 | return d |
| 95 | } |
| 96 | |
| 97 | func (d richFileDescriptorish) GetPublicDependencies() []fileDescriptorish { |
| 98 | deps := d.FileDescriptor.GetPublicDependencies() |
| 99 | ret := make([]fileDescriptorish, len(deps)) |
| 100 | for i, d := range deps { |
| 101 | ret[i] = richFileDescriptorish{FileDescriptor: d} |
| 102 | } |
| 103 | return ret |
| 104 | } |
| 105 | |
| 106 | func (d richFileDescriptorish) GetDependencies() []fileDescriptorish { |
| 107 | deps := d.FileDescriptor.GetDependencies() |
| 108 | ret := make([]fileDescriptorish, len(deps)) |
| 109 | for i, d := range deps { |
| 110 | ret[i] = richFileDescriptorish{FileDescriptor: d} |
| 111 | } |
| 112 | return ret |
| 113 | } |
| 114 | |
| 115 | func (d richFileDescriptorish) GetMessageTypes() []msgDescriptorish { |
| 116 | msgs := d.FileDescriptor.GetMessageTypes() |
| 117 | ret := make([]msgDescriptorish, len(msgs)) |
| 118 | for i, m := range msgs { |
| 119 | ret[i] = richMsgDescriptorish{MessageDescriptor: m} |
| 120 | } |
| 121 | return ret |
| 122 | } |
| 123 | |
| 124 | func (d richFileDescriptorish) GetExtensions() []fldDescriptorish { |
| 125 | flds := d.FileDescriptor.GetExtensions() |
| 126 | ret := make([]fldDescriptorish, len(flds)) |
| 127 | for i, f := range flds { |
| 128 | ret[i] = richFldDescriptorish{FieldDescriptor: f} |
| 129 | } |
| 130 | return ret |
| 131 | } |
| 132 | |
| 133 | func (d richFileDescriptorish) GetEnumTypes() []enumDescriptorish { |
| 134 | ens := d.FileDescriptor.GetEnumTypes() |
| 135 | ret := make([]enumDescriptorish, len(ens)) |
| 136 | for i, en := range ens { |
| 137 | ret[i] = richEnumDescriptorish{EnumDescriptor: en} |
| 138 | } |
| 139 | return ret |
| 140 | } |
| 141 | |
| 142 | func (d richFileDescriptorish) GetServices() []svcDescriptorish { |
| 143 | svcs := d.FileDescriptor.GetServices() |
| 144 | ret := make([]svcDescriptorish, len(svcs)) |
| 145 | for i, s := range svcs { |
| 146 | ret[i] = richSvcDescriptorish{ServiceDescriptor: s} |
| 147 | } |
| 148 | return ret |
| 149 | } |
| 150 | |
| 151 | type richMsgDescriptorish struct { |
| 152 | *desc.MessageDescriptor |
| 153 | } |
| 154 | |
| 155 | func (d richMsgDescriptorish) GetFile() fileDescriptorish { |
| 156 | return richFileDescriptorish{FileDescriptor: d.MessageDescriptor.GetFile()} |
| 157 | } |
| 158 | |
| 159 | func (d richMsgDescriptorish) GetFields() []fldDescriptorish { |
| 160 | flds := d.MessageDescriptor.GetFields() |
| 161 | ret := make([]fldDescriptorish, len(flds)) |
| 162 | for i, f := range flds { |
| 163 | ret[i] = richFldDescriptorish{FieldDescriptor: f} |
| 164 | } |
| 165 | return ret |
| 166 | } |
| 167 | |
| 168 | func (d richMsgDescriptorish) GetOneOfs() []oneofDescriptorish { |
| 169 | oos := d.MessageDescriptor.GetOneOfs() |
| 170 | ret := make([]oneofDescriptorish, len(oos)) |
| 171 | for i, oo := range oos { |
| 172 | ret[i] = richOneOfDescriptorish{OneOfDescriptor: oo} |
| 173 | } |
| 174 | return ret |
| 175 | } |
| 176 | |
| 177 | func (d richMsgDescriptorish) GetExtensionRanges() []extRangeDescriptorish { |
| 178 | md := d.MessageDescriptor |
| 179 | mdFqn := md.GetFullyQualifiedName() |
| 180 | extrs := md.AsDescriptorProto().GetExtensionRange() |
| 181 | ret := make([]extRangeDescriptorish, len(extrs)) |
| 182 | for i, extr := range extrs { |
| 183 | ret[i] = extRangeDescriptorish{ |
| 184 | er: extr, |
| 185 | qual: mdFqn, |
| 186 | file: richFileDescriptorish{FileDescriptor: md.GetFile()}, |
| 187 | } |
| 188 | } |
| 189 | return ret |
| 190 | } |
| 191 | |
| 192 | func (d richMsgDescriptorish) GetNestedMessageTypes() []msgDescriptorish { |
| 193 | msgs := d.MessageDescriptor.GetNestedMessageTypes() |
| 194 | ret := make([]msgDescriptorish, len(msgs)) |
| 195 | for i, m := range msgs { |
| 196 | ret[i] = richMsgDescriptorish{MessageDescriptor: m} |
| 197 | } |
| 198 | return ret |
| 199 | } |
| 200 | |
| 201 | func (d richMsgDescriptorish) GetNestedExtensions() []fldDescriptorish { |
| 202 | flds := d.MessageDescriptor.GetNestedExtensions() |
| 203 | ret := make([]fldDescriptorish, len(flds)) |
| 204 | for i, f := range flds { |
| 205 | ret[i] = richFldDescriptorish{FieldDescriptor: f} |
| 206 | } |
| 207 | return ret |
| 208 | } |
| 209 | |
| 210 | func (d richMsgDescriptorish) GetNestedEnumTypes() []enumDescriptorish { |
| 211 | ens := d.MessageDescriptor.GetNestedEnumTypes() |
| 212 | ret := make([]enumDescriptorish, len(ens)) |
| 213 | for i, en := range ens { |
| 214 | ret[i] = richEnumDescriptorish{EnumDescriptor: en} |
| 215 | } |
| 216 | return ret |
| 217 | } |
| 218 | |
| 219 | type richFldDescriptorish struct { |
| 220 | *desc.FieldDescriptor |
| 221 | } |
| 222 | |
| 223 | func (d richFldDescriptorish) GetFile() fileDescriptorish { |
| 224 | return richFileDescriptorish{FileDescriptor: d.FieldDescriptor.GetFile()} |
| 225 | } |
| 226 | |
| 227 | func (d richFldDescriptorish) AsFieldDescriptorProto() *dpb.FieldDescriptorProto { |
| 228 | return d.FieldDescriptor.AsFieldDescriptorProto() |
| 229 | } |
| 230 | |
| 231 | type richOneOfDescriptorish struct { |
| 232 | *desc.OneOfDescriptor |
| 233 | } |
| 234 | |
| 235 | func (d richOneOfDescriptorish) GetFile() fileDescriptorish { |
| 236 | return richFileDescriptorish{FileDescriptor: d.OneOfDescriptor.GetFile()} |
| 237 | } |
| 238 | |
| 239 | type richEnumDescriptorish struct { |
| 240 | *desc.EnumDescriptor |
| 241 | } |
| 242 | |
| 243 | func (d richEnumDescriptorish) GetFile() fileDescriptorish { |
| 244 | return richFileDescriptorish{FileDescriptor: d.EnumDescriptor.GetFile()} |
| 245 | } |
| 246 | |
| 247 | func (d richEnumDescriptorish) GetValues() []enumValDescriptorish { |
| 248 | vals := d.EnumDescriptor.GetValues() |
| 249 | ret := make([]enumValDescriptorish, len(vals)) |
| 250 | for i, val := range vals { |
| 251 | ret[i] = richEnumValDescriptorish{EnumValueDescriptor: val} |
| 252 | } |
| 253 | return ret |
| 254 | } |
| 255 | |
| 256 | type richEnumValDescriptorish struct { |
| 257 | *desc.EnumValueDescriptor |
| 258 | } |
| 259 | |
| 260 | func (d richEnumValDescriptorish) GetFile() fileDescriptorish { |
| 261 | return richFileDescriptorish{FileDescriptor: d.EnumValueDescriptor.GetFile()} |
| 262 | } |
| 263 | |
| 264 | type richSvcDescriptorish struct { |
| 265 | *desc.ServiceDescriptor |
| 266 | } |
| 267 | |
| 268 | func (d richSvcDescriptorish) GetFile() fileDescriptorish { |
| 269 | return richFileDescriptorish{FileDescriptor: d.ServiceDescriptor.GetFile()} |
| 270 | } |
| 271 | |
| 272 | func (d richSvcDescriptorish) GetMethods() []methodDescriptorish { |
| 273 | mtds := d.ServiceDescriptor.GetMethods() |
| 274 | ret := make([]methodDescriptorish, len(mtds)) |
| 275 | for i, mtd := range mtds { |
| 276 | ret[i] = richMethodDescriptorish{MethodDescriptor: mtd} |
| 277 | } |
| 278 | return ret |
| 279 | } |
| 280 | |
| 281 | type richMethodDescriptorish struct { |
| 282 | *desc.MethodDescriptor |
| 283 | } |
| 284 | |
| 285 | func (d richMethodDescriptorish) GetFile() fileDescriptorish { |
| 286 | return richFileDescriptorish{FileDescriptor: d.MethodDescriptor.GetFile()} |
| 287 | } |
| 288 | |
| 289 | // The hierarchy of descriptorish implementations backed by |
| 290 | // plain descriptor protos: |
| 291 | |
| 292 | type poorFileDescriptorish struct { |
| 293 | *dpb.FileDescriptorProto |
| 294 | } |
| 295 | |
| 296 | func (d poorFileDescriptorish) GetFile() fileDescriptorish { |
| 297 | return d |
| 298 | } |
| 299 | |
| 300 | func (d poorFileDescriptorish) GetFullyQualifiedName() string { |
| 301 | return d.FileDescriptorProto.GetName() |
| 302 | } |
| 303 | |
| 304 | func (d poorFileDescriptorish) AsProto() proto.Message { |
| 305 | return d.FileDescriptorProto |
| 306 | } |
| 307 | |
| 308 | func (d poorFileDescriptorish) GetFileOptions() *dpb.FileOptions { |
| 309 | return d.FileDescriptorProto.GetOptions() |
| 310 | } |
| 311 | |
| 312 | func (d poorFileDescriptorish) FindSymbol(name string) desc.Descriptor { |
| 313 | return nil |
| 314 | } |
| 315 | |
| 316 | func (d poorFileDescriptorish) GetPublicDependencies() []fileDescriptorish { |
| 317 | return nil |
| 318 | } |
| 319 | |
| 320 | func (d poorFileDescriptorish) GetDependencies() []fileDescriptorish { |
| 321 | return nil |
| 322 | } |
| 323 | |
| 324 | func (d poorFileDescriptorish) GetMessageTypes() []msgDescriptorish { |
| 325 | msgs := d.FileDescriptorProto.GetMessageType() |
| 326 | pkg := d.FileDescriptorProto.GetPackage() |
| 327 | ret := make([]msgDescriptorish, len(msgs)) |
| 328 | for i, m := range msgs { |
| 329 | ret[i] = poorMsgDescriptorish{ |
| 330 | DescriptorProto: m, |
| 331 | qual: pkg, |
| 332 | file: d, |
| 333 | } |
| 334 | } |
| 335 | return ret |
| 336 | } |
| 337 | |
| 338 | func (d poorFileDescriptorish) GetExtensions() []fldDescriptorish { |
| 339 | exts := d.FileDescriptorProto.GetExtension() |
| 340 | pkg := d.FileDescriptorProto.GetPackage() |
| 341 | ret := make([]fldDescriptorish, len(exts)) |
| 342 | for i, e := range exts { |
| 343 | ret[i] = poorFldDescriptorish{ |
| 344 | FieldDescriptorProto: e, |
| 345 | qual: pkg, |
| 346 | file: d, |
| 347 | } |
| 348 | } |
| 349 | return ret |
| 350 | } |
| 351 | |
| 352 | func (d poorFileDescriptorish) GetEnumTypes() []enumDescriptorish { |
| 353 | ens := d.FileDescriptorProto.GetEnumType() |
| 354 | pkg := d.FileDescriptorProto.GetPackage() |
| 355 | ret := make([]enumDescriptorish, len(ens)) |
| 356 | for i, e := range ens { |
| 357 | ret[i] = poorEnumDescriptorish{ |
| 358 | EnumDescriptorProto: e, |
| 359 | qual: pkg, |
| 360 | file: d, |
| 361 | } |
| 362 | } |
| 363 | return ret |
| 364 | } |
| 365 | |
| 366 | func (d poorFileDescriptorish) GetServices() []svcDescriptorish { |
| 367 | svcs := d.FileDescriptorProto.GetService() |
| 368 | pkg := d.FileDescriptorProto.GetPackage() |
| 369 | ret := make([]svcDescriptorish, len(svcs)) |
| 370 | for i, s := range svcs { |
| 371 | ret[i] = poorSvcDescriptorish{ |
| 372 | ServiceDescriptorProto: s, |
| 373 | qual: pkg, |
| 374 | file: d, |
| 375 | } |
| 376 | } |
| 377 | return ret |
| 378 | } |
| 379 | |
| 380 | type poorMsgDescriptorish struct { |
| 381 | *dpb.DescriptorProto |
| 382 | qual string |
| 383 | file fileDescriptorish |
| 384 | } |
| 385 | |
| 386 | func (d poorMsgDescriptorish) GetFile() fileDescriptorish { |
| 387 | return d.file |
| 388 | } |
| 389 | |
| 390 | func (d poorMsgDescriptorish) GetFullyQualifiedName() string { |
| 391 | return qualify(d.qual, d.DescriptorProto.GetName()) |
| 392 | } |
| 393 | |
| 394 | func qualify(qual, name string) string { |
| 395 | if qual == "" { |
| 396 | return name |
| 397 | } else { |
| 398 | return fmt.Sprintf("%s.%s", qual, name) |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | func (d poorMsgDescriptorish) AsProto() proto.Message { |
| 403 | return d.DescriptorProto |
| 404 | } |
| 405 | |
| 406 | func (d poorMsgDescriptorish) GetMessageOptions() *dpb.MessageOptions { |
| 407 | return d.DescriptorProto.GetOptions() |
| 408 | } |
| 409 | |
| 410 | func (d poorMsgDescriptorish) GetFields() []fldDescriptorish { |
| 411 | flds := d.DescriptorProto.GetField() |
| 412 | ret := make([]fldDescriptorish, len(flds)) |
| 413 | for i, f := range flds { |
| 414 | ret[i] = poorFldDescriptorish{ |
| 415 | FieldDescriptorProto: f, |
| 416 | qual: d.GetFullyQualifiedName(), |
| 417 | file: d.file, |
| 418 | } |
| 419 | } |
| 420 | return ret |
| 421 | } |
| 422 | |
| 423 | func (d poorMsgDescriptorish) GetOneOfs() []oneofDescriptorish { |
| 424 | oos := d.DescriptorProto.GetOneofDecl() |
| 425 | ret := make([]oneofDescriptorish, len(oos)) |
| 426 | for i, oo := range oos { |
| 427 | ret[i] = poorOneOfDescriptorish{ |
| 428 | OneofDescriptorProto: oo, |
| 429 | qual: d.GetFullyQualifiedName(), |
| 430 | file: d.file, |
| 431 | } |
| 432 | } |
| 433 | return ret |
| 434 | } |
| 435 | |
| 436 | func (d poorMsgDescriptorish) GetExtensionRanges() []extRangeDescriptorish { |
| 437 | mdFqn := d.GetFullyQualifiedName() |
| 438 | extrs := d.DescriptorProto.GetExtensionRange() |
| 439 | ret := make([]extRangeDescriptorish, len(extrs)) |
| 440 | for i, extr := range extrs { |
| 441 | ret[i] = extRangeDescriptorish{ |
| 442 | er: extr, |
| 443 | qual: mdFqn, |
| 444 | file: d.file, |
| 445 | } |
| 446 | } |
| 447 | return ret |
| 448 | } |
| 449 | |
| 450 | func (d poorMsgDescriptorish) GetNestedMessageTypes() []msgDescriptorish { |
| 451 | msgs := d.DescriptorProto.GetNestedType() |
| 452 | ret := make([]msgDescriptorish, len(msgs)) |
| 453 | for i, m := range msgs { |
| 454 | ret[i] = poorMsgDescriptorish{ |
| 455 | DescriptorProto: m, |
| 456 | qual: d.GetFullyQualifiedName(), |
| 457 | file: d.file, |
| 458 | } |
| 459 | } |
| 460 | return ret |
| 461 | } |
| 462 | |
| 463 | func (d poorMsgDescriptorish) GetNestedExtensions() []fldDescriptorish { |
| 464 | flds := d.DescriptorProto.GetExtension() |
| 465 | ret := make([]fldDescriptorish, len(flds)) |
| 466 | for i, f := range flds { |
| 467 | ret[i] = poorFldDescriptorish{ |
| 468 | FieldDescriptorProto: f, |
| 469 | qual: d.GetFullyQualifiedName(), |
| 470 | file: d.file, |
| 471 | } |
| 472 | } |
| 473 | return ret |
| 474 | } |
| 475 | |
| 476 | func (d poorMsgDescriptorish) GetNestedEnumTypes() []enumDescriptorish { |
| 477 | ens := d.DescriptorProto.GetEnumType() |
| 478 | ret := make([]enumDescriptorish, len(ens)) |
| 479 | for i, en := range ens { |
| 480 | ret[i] = poorEnumDescriptorish{ |
| 481 | EnumDescriptorProto: en, |
| 482 | qual: d.GetFullyQualifiedName(), |
| 483 | file: d.file, |
| 484 | } |
| 485 | } |
| 486 | return ret |
| 487 | } |
| 488 | |
| 489 | type poorFldDescriptorish struct { |
| 490 | *dpb.FieldDescriptorProto |
| 491 | qual string |
| 492 | file fileDescriptorish |
| 493 | } |
| 494 | |
| 495 | func (d poorFldDescriptorish) GetFile() fileDescriptorish { |
| 496 | return d.file |
| 497 | } |
| 498 | |
| 499 | func (d poorFldDescriptorish) GetFullyQualifiedName() string { |
| 500 | return qualify(d.qual, d.FieldDescriptorProto.GetName()) |
| 501 | } |
| 502 | |
| 503 | func (d poorFldDescriptorish) AsProto() proto.Message { |
| 504 | return d.FieldDescriptorProto |
| 505 | } |
| 506 | |
| 507 | func (d poorFldDescriptorish) GetFieldOptions() *dpb.FieldOptions { |
| 508 | return d.FieldDescriptorProto.GetOptions() |
| 509 | } |
| 510 | |
| 511 | func (d poorFldDescriptorish) GetMessageType() *desc.MessageDescriptor { |
| 512 | return nil |
| 513 | } |
| 514 | |
| 515 | func (d poorFldDescriptorish) GetEnumType() *desc.EnumDescriptor { |
| 516 | return nil |
| 517 | } |
| 518 | |
| 519 | type poorOneOfDescriptorish struct { |
| 520 | *dpb.OneofDescriptorProto |
| 521 | qual string |
| 522 | file fileDescriptorish |
| 523 | } |
| 524 | |
| 525 | func (d poorOneOfDescriptorish) GetFile() fileDescriptorish { |
| 526 | return d.file |
| 527 | } |
| 528 | |
| 529 | func (d poorOneOfDescriptorish) GetFullyQualifiedName() string { |
| 530 | return qualify(d.qual, d.OneofDescriptorProto.GetName()) |
| 531 | } |
| 532 | |
| 533 | func (d poorOneOfDescriptorish) AsProto() proto.Message { |
| 534 | return d.OneofDescriptorProto |
| 535 | } |
| 536 | |
| 537 | func (d poorOneOfDescriptorish) GetOneOfOptions() *dpb.OneofOptions { |
| 538 | return d.OneofDescriptorProto.GetOptions() |
| 539 | } |
| 540 | |
| 541 | func (d poorFldDescriptorish) AsFieldDescriptorProto() *dpb.FieldDescriptorProto { |
| 542 | return d.FieldDescriptorProto |
| 543 | } |
| 544 | |
| 545 | type poorEnumDescriptorish struct { |
| 546 | *dpb.EnumDescriptorProto |
| 547 | qual string |
| 548 | file fileDescriptorish |
| 549 | } |
| 550 | |
| 551 | func (d poorEnumDescriptorish) GetFile() fileDescriptorish { |
| 552 | return d.file |
| 553 | } |
| 554 | |
| 555 | func (d poorEnumDescriptorish) GetFullyQualifiedName() string { |
| 556 | return qualify(d.qual, d.EnumDescriptorProto.GetName()) |
| 557 | } |
| 558 | |
| 559 | func (d poorEnumDescriptorish) AsProto() proto.Message { |
| 560 | return d.EnumDescriptorProto |
| 561 | } |
| 562 | |
| 563 | func (d poorEnumDescriptorish) GetEnumOptions() *dpb.EnumOptions { |
| 564 | return d.EnumDescriptorProto.GetOptions() |
| 565 | } |
| 566 | |
| 567 | func (d poorEnumDescriptorish) GetValues() []enumValDescriptorish { |
| 568 | vals := d.EnumDescriptorProto.GetValue() |
| 569 | ret := make([]enumValDescriptorish, len(vals)) |
| 570 | for i, v := range vals { |
| 571 | ret[i] = poorEnumValDescriptorish{ |
| 572 | EnumValueDescriptorProto: v, |
| 573 | qual: d.GetFullyQualifiedName(), |
| 574 | file: d.file, |
| 575 | } |
| 576 | } |
| 577 | return ret |
| 578 | } |
| 579 | |
| 580 | type poorEnumValDescriptorish struct { |
| 581 | *dpb.EnumValueDescriptorProto |
| 582 | qual string |
| 583 | file fileDescriptorish |
| 584 | } |
| 585 | |
| 586 | func (d poorEnumValDescriptorish) GetFile() fileDescriptorish { |
| 587 | return d.file |
| 588 | } |
| 589 | |
| 590 | func (d poorEnumValDescriptorish) GetFullyQualifiedName() string { |
| 591 | return qualify(d.qual, d.EnumValueDescriptorProto.GetName()) |
| 592 | } |
| 593 | |
| 594 | func (d poorEnumValDescriptorish) AsProto() proto.Message { |
| 595 | return d.EnumValueDescriptorProto |
| 596 | } |
| 597 | |
| 598 | func (d poorEnumValDescriptorish) GetEnumValueOptions() *dpb.EnumValueOptions { |
| 599 | return d.EnumValueDescriptorProto.GetOptions() |
| 600 | } |
| 601 | |
| 602 | type poorSvcDescriptorish struct { |
| 603 | *dpb.ServiceDescriptorProto |
| 604 | qual string |
| 605 | file fileDescriptorish |
| 606 | } |
| 607 | |
| 608 | func (d poorSvcDescriptorish) GetFile() fileDescriptorish { |
| 609 | return d.file |
| 610 | } |
| 611 | |
| 612 | func (d poorSvcDescriptorish) GetFullyQualifiedName() string { |
| 613 | return qualify(d.qual, d.ServiceDescriptorProto.GetName()) |
| 614 | } |
| 615 | |
| 616 | func (d poorSvcDescriptorish) AsProto() proto.Message { |
| 617 | return d.ServiceDescriptorProto |
| 618 | } |
| 619 | |
| 620 | func (d poorSvcDescriptorish) GetServiceOptions() *dpb.ServiceOptions { |
| 621 | return d.ServiceDescriptorProto.GetOptions() |
| 622 | } |
| 623 | |
| 624 | func (d poorSvcDescriptorish) GetMethods() []methodDescriptorish { |
| 625 | mtds := d.ServiceDescriptorProto.GetMethod() |
| 626 | ret := make([]methodDescriptorish, len(mtds)) |
| 627 | for i, m := range mtds { |
| 628 | ret[i] = poorMethodDescriptorish{ |
| 629 | MethodDescriptorProto: m, |
| 630 | qual: d.GetFullyQualifiedName(), |
| 631 | file: d.file, |
| 632 | } |
| 633 | } |
| 634 | return ret |
| 635 | } |
| 636 | |
| 637 | type poorMethodDescriptorish struct { |
| 638 | *dpb.MethodDescriptorProto |
| 639 | qual string |
| 640 | file fileDescriptorish |
| 641 | } |
| 642 | |
| 643 | func (d poorMethodDescriptorish) GetFile() fileDescriptorish { |
| 644 | return d.file |
| 645 | } |
| 646 | |
| 647 | func (d poorMethodDescriptorish) GetFullyQualifiedName() string { |
| 648 | return qualify(d.qual, d.MethodDescriptorProto.GetName()) |
| 649 | } |
| 650 | |
| 651 | func (d poorMethodDescriptorish) AsProto() proto.Message { |
| 652 | return d.MethodDescriptorProto |
| 653 | } |
| 654 | |
| 655 | func (d poorMethodDescriptorish) GetMethodOptions() *dpb.MethodOptions { |
| 656 | return d.MethodDescriptorProto.GetOptions() |
| 657 | } |
| 658 | |
| 659 | type extRangeDescriptorish struct { |
| 660 | er *dpb.DescriptorProto_ExtensionRange |
| 661 | qual string |
| 662 | file fileDescriptorish |
| 663 | } |
| 664 | |
| 665 | func (er extRangeDescriptorish) GetFile() fileDescriptorish { |
| 666 | return er.file |
| 667 | } |
| 668 | |
| 669 | func (er extRangeDescriptorish) GetFullyQualifiedName() string { |
| 670 | return qualify(er.qual, fmt.Sprintf("%d-%d", er.er.GetStart(), er.er.GetEnd()-1)) |
| 671 | } |
| 672 | |
| 673 | func (er extRangeDescriptorish) AsProto() proto.Message { |
| 674 | return er.er |
| 675 | } |
| 676 | |
| 677 | func (er extRangeDescriptorish) GetExtensionRangeOptions() *dpb.ExtensionRangeOptions { |
| 678 | return er.er.GetOptions() |
| 679 | } |
| 680 | |
| 681 | func interpretFileOptions(r *parseResult, fd fileDescriptorish) error { |
| 682 | opts := fd.GetFileOptions() |
| 683 | if opts != nil { |
| 684 | if len(opts.UninterpretedOption) > 0 { |
| 685 | if remain, err := interpretOptions(r, fd, opts, opts.UninterpretedOption); err != nil { |
| 686 | return err |
| 687 | } else { |
| 688 | opts.UninterpretedOption = remain |
| 689 | } |
| 690 | } |
| 691 | } |
| 692 | for _, md := range fd.GetMessageTypes() { |
| 693 | if err := interpretMessageOptions(r, md); err != nil { |
| 694 | return err |
| 695 | } |
| 696 | } |
| 697 | for _, fld := range fd.GetExtensions() { |
| 698 | if err := interpretFieldOptions(r, fld); err != nil { |
| 699 | return err |
| 700 | } |
| 701 | } |
| 702 | for _, ed := range fd.GetEnumTypes() { |
| 703 | if err := interpretEnumOptions(r, ed); err != nil { |
| 704 | return err |
| 705 | } |
| 706 | } |
| 707 | for _, sd := range fd.GetServices() { |
| 708 | opts := sd.GetServiceOptions() |
| 709 | if opts != nil { |
| 710 | if len(opts.UninterpretedOption) > 0 { |
| 711 | if remain, err := interpretOptions(r, sd, opts, opts.UninterpretedOption); err != nil { |
| 712 | return err |
| 713 | } else { |
| 714 | opts.UninterpretedOption = remain |
| 715 | } |
| 716 | } |
| 717 | } |
| 718 | for _, mtd := range sd.GetMethods() { |
| 719 | opts := mtd.GetMethodOptions() |
| 720 | if opts != nil { |
| 721 | if len(opts.UninterpretedOption) > 0 { |
| 722 | if remain, err := interpretOptions(r, mtd, opts, opts.UninterpretedOption); err != nil { |
| 723 | return err |
| 724 | } else { |
| 725 | opts.UninterpretedOption = remain |
| 726 | } |
| 727 | } |
| 728 | } |
| 729 | } |
| 730 | } |
| 731 | return nil |
| 732 | } |
| 733 | |
| 734 | func interpretMessageOptions(r *parseResult, md msgDescriptorish) error { |
| 735 | opts := md.GetMessageOptions() |
| 736 | if opts != nil { |
| 737 | if len(opts.UninterpretedOption) > 0 { |
| 738 | if remain, err := interpretOptions(r, md, opts, opts.UninterpretedOption); err != nil { |
| 739 | return err |
| 740 | } else { |
| 741 | opts.UninterpretedOption = remain |
| 742 | } |
| 743 | } |
| 744 | } |
| 745 | for _, fld := range md.GetFields() { |
| 746 | if err := interpretFieldOptions(r, fld); err != nil { |
| 747 | return err |
| 748 | } |
| 749 | } |
| 750 | for _, ood := range md.GetOneOfs() { |
| 751 | opts := ood.GetOneOfOptions() |
| 752 | if opts != nil { |
| 753 | if len(opts.UninterpretedOption) > 0 { |
| 754 | if remain, err := interpretOptions(r, ood, opts, opts.UninterpretedOption); err != nil { |
| 755 | return err |
| 756 | } else { |
| 757 | opts.UninterpretedOption = remain |
| 758 | } |
| 759 | } |
| 760 | } |
| 761 | } |
| 762 | for _, fld := range md.GetNestedExtensions() { |
| 763 | if err := interpretFieldOptions(r, fld); err != nil { |
| 764 | return err |
| 765 | } |
| 766 | } |
| 767 | for _, er := range md.GetExtensionRanges() { |
| 768 | opts := er.GetExtensionRangeOptions() |
| 769 | if opts != nil { |
| 770 | if len(opts.UninterpretedOption) > 0 { |
| 771 | if remain, err := interpretOptions(r, er, opts, opts.UninterpretedOption); err != nil { |
| 772 | return err |
| 773 | } else { |
| 774 | opts.UninterpretedOption = remain |
| 775 | } |
| 776 | } |
| 777 | } |
| 778 | } |
| 779 | for _, nmd := range md.GetNestedMessageTypes() { |
| 780 | if err := interpretMessageOptions(r, nmd); err != nil { |
| 781 | return err |
| 782 | } |
| 783 | } |
| 784 | for _, ed := range md.GetNestedEnumTypes() { |
| 785 | if err := interpretEnumOptions(r, ed); err != nil { |
| 786 | return err |
| 787 | } |
| 788 | } |
| 789 | return nil |
| 790 | } |
| 791 | |
| 792 | func interpretFieldOptions(r *parseResult, fld fldDescriptorish) error { |
| 793 | opts := fld.GetFieldOptions() |
| 794 | if opts != nil { |
| 795 | if len(opts.UninterpretedOption) > 0 { |
| 796 | uo := opts.UninterpretedOption |
| 797 | scope := fmt.Sprintf("field %s", fld.GetFullyQualifiedName()) |
| 798 | |
| 799 | // process json_name pseudo-option |
| 800 | if index, err := findOption(r, scope, uo, "json_name"); err != nil && !r.lenient { |
| 801 | return err |
| 802 | } else if err == nil && index >= 0 { |
| 803 | opt := uo[index] |
| 804 | optNode := r.getOptionNode(opt) |
| 805 | |
| 806 | // attribute source code info |
| 807 | if on, ok := optNode.(*optionNode); ok { |
| 808 | r.interpretedOptions[on] = []int32{-1, internal.Field_jsonNameTag} |
| 809 | } |
| 810 | uo = removeOption(uo, index) |
| 811 | if opt.StringValue == nil { |
| 812 | return ErrorWithSourcePos{Pos: optNode.getValue().start(), Underlying: fmt.Errorf("%s: expecting string value for json_name option", scope)} |
| 813 | } |
| 814 | fld.AsFieldDescriptorProto().JsonName = proto.String(string(opt.StringValue)) |
| 815 | } |
| 816 | |
| 817 | // and process default pseudo-option |
| 818 | if index, err := processDefaultOption(r, scope, fld, uo); err != nil && !r.lenient { |
| 819 | return err |
| 820 | } else if err == nil && index >= 0 { |
| 821 | // attribute source code info |
| 822 | optNode := r.getOptionNode(uo[index]) |
| 823 | if on, ok := optNode.(*optionNode); ok { |
| 824 | r.interpretedOptions[on] = []int32{-1, internal.Field_defaultTag} |
| 825 | } |
| 826 | uo = removeOption(uo, index) |
| 827 | } |
| 828 | |
| 829 | if len(uo) == 0 { |
| 830 | // no real options, only pseudo-options above? clear out options |
| 831 | fld.AsFieldDescriptorProto().Options = nil |
| 832 | } else if remain, err := interpretOptions(r, fld, opts, uo); err != nil { |
| 833 | return err |
| 834 | } else { |
| 835 | opts.UninterpretedOption = remain |
| 836 | } |
| 837 | } |
| 838 | } |
| 839 | return nil |
| 840 | } |
| 841 | |
| 842 | func processDefaultOption(res *parseResult, scope string, fld fldDescriptorish, uos []*dpb.UninterpretedOption) (defaultIndex int, err error) { |
| 843 | found, err := findOption(res, scope, uos, "default") |
| 844 | if err != nil { |
| 845 | return -1, err |
| 846 | } else if found == -1 { |
| 847 | return -1, nil |
| 848 | } |
| 849 | opt := uos[found] |
| 850 | optNode := res.getOptionNode(opt) |
| 851 | fdp := fld.AsFieldDescriptorProto() |
| 852 | if fdp.GetLabel() == dpb.FieldDescriptorProto_LABEL_REPEATED { |
| 853 | return -1, ErrorWithSourcePos{Pos: optNode.getName().start(), Underlying: fmt.Errorf("%s: default value cannot be set because field is repeated", scope)} |
| 854 | } |
| 855 | if fdp.GetType() == dpb.FieldDescriptorProto_TYPE_GROUP || fdp.GetType() == dpb.FieldDescriptorProto_TYPE_MESSAGE { |
| 856 | return -1, ErrorWithSourcePos{Pos: optNode.getName().start(), Underlying: fmt.Errorf("%s: default value cannot be set because field is a message", scope)} |
| 857 | } |
| 858 | val := optNode.getValue() |
| 859 | if _, ok := val.(*aggregateLiteralNode); ok { |
| 860 | return -1, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%s: default value cannot be an aggregate", scope)} |
| 861 | } |
| 862 | mc := &messageContext{ |
| 863 | res: res, |
| 864 | file: fld.GetFile(), |
| 865 | elementName: fld.GetFullyQualifiedName(), |
| 866 | elementType: descriptorType(fld.AsProto()), |
| 867 | option: opt, |
| 868 | } |
| 869 | v, err := fieldValue(res, mc, fld, val, true) |
| 870 | if err != nil { |
| 871 | return -1, err |
| 872 | } |
| 873 | if str, ok := v.(string); ok { |
| 874 | fld.AsFieldDescriptorProto().DefaultValue = proto.String(str) |
| 875 | } else if b, ok := v.([]byte); ok { |
| 876 | fld.AsFieldDescriptorProto().DefaultValue = proto.String(encodeDefaultBytes(b)) |
| 877 | } else { |
| 878 | var flt float64 |
| 879 | var ok bool |
| 880 | if flt, ok = v.(float64); !ok { |
| 881 | var flt32 float32 |
| 882 | if flt32, ok = v.(float32); ok { |
| 883 | flt = float64(flt32) |
| 884 | } |
| 885 | } |
| 886 | if ok { |
| 887 | if math.IsInf(flt, 1) { |
| 888 | fld.AsFieldDescriptorProto().DefaultValue = proto.String("inf") |
| 889 | } else if ok && math.IsInf(flt, -1) { |
| 890 | fld.AsFieldDescriptorProto().DefaultValue = proto.String("-inf") |
| 891 | } else if ok && math.IsNaN(flt) { |
| 892 | fld.AsFieldDescriptorProto().DefaultValue = proto.String("nan") |
| 893 | } else { |
| 894 | fld.AsFieldDescriptorProto().DefaultValue = proto.String(fmt.Sprintf("%v", v)) |
| 895 | } |
| 896 | } else { |
| 897 | fld.AsFieldDescriptorProto().DefaultValue = proto.String(fmt.Sprintf("%v", v)) |
| 898 | } |
| 899 | } |
| 900 | return found, nil |
| 901 | } |
| 902 | |
| 903 | func encodeDefaultBytes(b []byte) string { |
| 904 | var buf bytes.Buffer |
| 905 | writeEscapedBytes(&buf, b) |
| 906 | return buf.String() |
| 907 | } |
| 908 | |
| 909 | func interpretEnumOptions(r *parseResult, ed enumDescriptorish) error { |
| 910 | opts := ed.GetEnumOptions() |
| 911 | if opts != nil { |
| 912 | if len(opts.UninterpretedOption) > 0 { |
| 913 | if remain, err := interpretOptions(r, ed, opts, opts.UninterpretedOption); err != nil { |
| 914 | return err |
| 915 | } else { |
| 916 | opts.UninterpretedOption = remain |
| 917 | } |
| 918 | } |
| 919 | } |
| 920 | for _, evd := range ed.GetValues() { |
| 921 | opts := evd.GetEnumValueOptions() |
| 922 | if opts != nil { |
| 923 | if len(opts.UninterpretedOption) > 0 { |
| 924 | if remain, err := interpretOptions(r, evd, opts, opts.UninterpretedOption); err != nil { |
| 925 | return err |
| 926 | } else { |
| 927 | opts.UninterpretedOption = remain |
| 928 | } |
| 929 | } |
| 930 | } |
| 931 | } |
| 932 | return nil |
| 933 | } |
| 934 | |
| 935 | func interpretOptions(res *parseResult, element descriptorish, opts proto.Message, uninterpreted []*dpb.UninterpretedOption) ([]*dpb.UninterpretedOption, error) { |
| 936 | optsd, err := desc.LoadMessageDescriptorForMessage(opts) |
| 937 | if err != nil { |
| 938 | if res.lenient { |
| 939 | return uninterpreted, nil |
| 940 | } |
| 941 | return nil, err |
| 942 | } |
| 943 | dm := dynamic.NewMessage(optsd) |
| 944 | err = dm.ConvertFrom(opts) |
| 945 | if err != nil { |
| 946 | if res.lenient { |
| 947 | return uninterpreted, nil |
| 948 | } |
| 949 | node := res.nodes[element.AsProto()] |
| 950 | return nil, ErrorWithSourcePos{Pos: node.start(), Underlying: err} |
| 951 | } |
| 952 | |
| 953 | mc := &messageContext{res: res, file: element.GetFile(), elementName: element.GetFullyQualifiedName(), elementType: descriptorType(element.AsProto())} |
| 954 | var remain []*dpb.UninterpretedOption |
| 955 | for _, uo := range uninterpreted { |
| 956 | node := res.getOptionNode(uo) |
| 957 | if !uo.Name[0].GetIsExtension() && uo.Name[0].GetNamePart() == "uninterpreted_option" { |
| 958 | if res.lenient { |
| 959 | remain = append(remain, uo) |
| 960 | continue |
| 961 | } |
| 962 | // uninterpreted_option might be found reflectively, but is not actually valid for use |
| 963 | return nil, ErrorWithSourcePos{Pos: node.getName().start(), Underlying: fmt.Errorf("%vinvalid option 'uninterpreted_option'", mc)} |
| 964 | } |
| 965 | mc.option = uo |
| 966 | path, err := interpretField(res, mc, element, dm, uo, 0, nil) |
| 967 | if err != nil { |
| 968 | if res.lenient { |
| 969 | remain = append(remain, uo) |
| 970 | continue |
| 971 | } |
| 972 | return nil, err |
| 973 | } |
| 974 | if optn, ok := node.(*optionNode); ok { |
| 975 | res.interpretedOptions[optn] = path |
| 976 | } |
| 977 | } |
| 978 | |
| 979 | if err := dm.ValidateRecursive(); err != nil { |
| 980 | // if lenient, we'll let this pass, but it means that some required field was not set! |
| 981 | // TODO: do this in a more granular way, so we can validate individual fields |
| 982 | // and leave them uninterpreted, instead of just having to live with the |
| 983 | // thing having invalid data in extensions. |
| 984 | if !res.lenient { |
| 985 | node := res.nodes[element.AsProto()] |
| 986 | return nil, ErrorWithSourcePos{Pos: node.start(), Underlying: fmt.Errorf("error in %s options: %v", descriptorType(element.AsProto()), err)} |
| 987 | } |
| 988 | } |
| 989 | |
| 990 | if res.lenient { |
| 991 | // If we're lenient, then we don't want to clobber the passed in message |
| 992 | // and leave it partially populated. So we convert into a copy first |
| 993 | optsClone := proto.Clone(opts) |
| 994 | if err := dm.ConvertTo(optsClone); err != nil { |
| 995 | // TODO: do this in a more granular way, so we can convert individual |
| 996 | // fields and leave bad ones uninterpreted instead of skipping all of |
| 997 | // the work we've done so far. |
| 998 | return uninterpreted, nil |
| 999 | } |
| 1000 | // conversion from dynamic message above worked, so now |
| 1001 | // it is safe to overwrite the passed in message |
| 1002 | opts.Reset() |
| 1003 | proto.Merge(opts, optsClone) |
| 1004 | |
| 1005 | } else { |
| 1006 | // not lenient: try to convert into the passed in message |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 1007 | // and fail if not successful |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 1008 | if err := dm.ConvertTo(opts); err != nil { |
| 1009 | node := res.nodes[element.AsProto()] |
| 1010 | return nil, ErrorWithSourcePos{Pos: node.start(), Underlying: err} |
| 1011 | } |
| 1012 | } |
| 1013 | |
| 1014 | return remain, nil |
| 1015 | } |
| 1016 | |
| 1017 | func interpretField(res *parseResult, mc *messageContext, element descriptorish, dm *dynamic.Message, opt *dpb.UninterpretedOption, nameIndex int, pathPrefix []int32) (path []int32, err error) { |
| 1018 | var fld *desc.FieldDescriptor |
| 1019 | nm := opt.GetName()[nameIndex] |
| 1020 | node := res.getOptionNamePartNode(nm) |
| 1021 | if nm.GetIsExtension() { |
| 1022 | extName := nm.GetNamePart() |
| 1023 | if extName[0] == '.' { |
| 1024 | extName = extName[1:] /* skip leading dot */ |
| 1025 | } |
| 1026 | fld = findExtension(element.GetFile(), extName, false, map[fileDescriptorish]struct{}{}) |
| 1027 | if fld == nil { |
| 1028 | return nil, ErrorWithSourcePos{ |
| 1029 | Pos: node.start(), |
| 1030 | Underlying: fmt.Errorf("%vunrecognized extension %s of %s", |
| 1031 | mc, extName, dm.GetMessageDescriptor().GetFullyQualifiedName()), |
| 1032 | } |
| 1033 | } |
| 1034 | if fld.GetOwner().GetFullyQualifiedName() != dm.GetMessageDescriptor().GetFullyQualifiedName() { |
| 1035 | return nil, ErrorWithSourcePos{ |
| 1036 | Pos: node.start(), |
| 1037 | Underlying: fmt.Errorf("%vextension %s should extend %s but instead extends %s", |
| 1038 | mc, extName, dm.GetMessageDescriptor().GetFullyQualifiedName(), fld.GetOwner().GetFullyQualifiedName()), |
| 1039 | } |
| 1040 | } |
| 1041 | } else { |
| 1042 | fld = dm.GetMessageDescriptor().FindFieldByName(nm.GetNamePart()) |
| 1043 | if fld == nil { |
| 1044 | return nil, ErrorWithSourcePos{ |
| 1045 | Pos: node.start(), |
| 1046 | Underlying: fmt.Errorf("%vfield %s of %s does not exist", |
| 1047 | mc, nm.GetNamePart(), dm.GetMessageDescriptor().GetFullyQualifiedName()), |
| 1048 | } |
| 1049 | } |
| 1050 | } |
| 1051 | |
| 1052 | path = append(pathPrefix, fld.GetNumber()) |
| 1053 | |
| 1054 | if len(opt.GetName()) > nameIndex+1 { |
| 1055 | nextnm := opt.GetName()[nameIndex+1] |
| 1056 | nextnode := res.getOptionNamePartNode(nextnm) |
| 1057 | if fld.GetType() != dpb.FieldDescriptorProto_TYPE_MESSAGE { |
| 1058 | return nil, ErrorWithSourcePos{ |
| 1059 | Pos: nextnode.start(), |
| 1060 | Underlying: fmt.Errorf("%vcannot set field %s because %s is not a message", |
| 1061 | mc, nextnm.GetNamePart(), nm.GetNamePart()), |
| 1062 | } |
| 1063 | } |
| 1064 | if fld.IsRepeated() { |
| 1065 | return nil, ErrorWithSourcePos{ |
| 1066 | Pos: nextnode.start(), |
| 1067 | Underlying: fmt.Errorf("%vcannot set field %s because %s is repeated (must use an aggregate)", |
| 1068 | mc, nextnm.GetNamePart(), nm.GetNamePart()), |
| 1069 | } |
| 1070 | } |
| 1071 | var fdm *dynamic.Message |
| 1072 | var err error |
| 1073 | if dm.HasField(fld) { |
| 1074 | var v interface{} |
| 1075 | v, err = dm.TryGetField(fld) |
| 1076 | fdm, _ = v.(*dynamic.Message) |
| 1077 | } else { |
| 1078 | fdm = dynamic.NewMessage(fld.GetMessageType()) |
| 1079 | err = dm.TrySetField(fld, fdm) |
| 1080 | } |
| 1081 | if err != nil { |
| 1082 | return nil, ErrorWithSourcePos{Pos: node.start(), Underlying: err} |
| 1083 | } |
| 1084 | // recurse to set next part of name |
| 1085 | return interpretField(res, mc, element, fdm, opt, nameIndex+1, path) |
| 1086 | } |
| 1087 | |
| 1088 | optNode := res.getOptionNode(opt) |
| 1089 | if err := setOptionField(res, mc, dm, fld, node, optNode.getValue()); err != nil { |
| 1090 | return nil, err |
| 1091 | } |
| 1092 | if fld.IsRepeated() { |
| 1093 | path = append(path, int32(dm.FieldLength(fld))-1) |
| 1094 | } |
| 1095 | return path, nil |
| 1096 | } |
| 1097 | |
| 1098 | func findExtension(fd fileDescriptorish, name string, public bool, checked map[fileDescriptorish]struct{}) *desc.FieldDescriptor { |
| 1099 | if _, ok := checked[fd]; ok { |
| 1100 | return nil |
| 1101 | } |
| 1102 | checked[fd] = struct{}{} |
| 1103 | d := fd.FindSymbol(name) |
| 1104 | if d != nil { |
| 1105 | if fld, ok := d.(*desc.FieldDescriptor); ok { |
| 1106 | return fld |
| 1107 | } |
| 1108 | return nil |
| 1109 | } |
| 1110 | |
| 1111 | // When public = false, we are searching only directly imported symbols. But we |
| 1112 | // also need to search transitive public imports due to semantics of public imports. |
| 1113 | if public { |
| 1114 | for _, dep := range fd.GetPublicDependencies() { |
| 1115 | d := findExtension(dep, name, true, checked) |
| 1116 | if d != nil { |
| 1117 | return d |
| 1118 | } |
| 1119 | } |
| 1120 | } else { |
| 1121 | for _, dep := range fd.GetDependencies() { |
| 1122 | d := findExtension(dep, name, true, checked) |
| 1123 | if d != nil { |
| 1124 | return d |
| 1125 | } |
| 1126 | } |
| 1127 | } |
| 1128 | return nil |
| 1129 | } |
| 1130 | |
| 1131 | func setOptionField(res *parseResult, mc *messageContext, dm *dynamic.Message, fld *desc.FieldDescriptor, name node, val valueNode) error { |
| 1132 | v := val.value() |
| 1133 | if sl, ok := v.([]valueNode); ok { |
| 1134 | // handle slices a little differently than the others |
| 1135 | if !fld.IsRepeated() { |
| 1136 | return ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vvalue is an array but field is not repeated", mc)} |
| 1137 | } |
| 1138 | origPath := mc.optAggPath |
| 1139 | defer func() { |
| 1140 | mc.optAggPath = origPath |
| 1141 | }() |
| 1142 | for index, item := range sl { |
| 1143 | mc.optAggPath = fmt.Sprintf("%s[%d]", origPath, index) |
| 1144 | if v, err := fieldValue(res, mc, richFldDescriptorish{FieldDescriptor: fld}, item, false); err != nil { |
| 1145 | return err |
| 1146 | } else if err = dm.TryAddRepeatedField(fld, v); err != nil { |
| 1147 | return ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%verror setting value: %s", mc, err)} |
| 1148 | } |
| 1149 | } |
| 1150 | return nil |
| 1151 | } |
| 1152 | |
| 1153 | v, err := fieldValue(res, mc, richFldDescriptorish{FieldDescriptor: fld}, val, false) |
| 1154 | if err != nil { |
| 1155 | return err |
| 1156 | } |
| 1157 | if fld.IsRepeated() { |
| 1158 | err = dm.TryAddRepeatedField(fld, v) |
| 1159 | } else { |
| 1160 | if dm.HasField(fld) { |
| 1161 | return ErrorWithSourcePos{Pos: name.start(), Underlying: fmt.Errorf("%vnon-repeated option field %s already set", mc, fieldName(fld))} |
| 1162 | } |
| 1163 | err = dm.TrySetField(fld, v) |
| 1164 | } |
| 1165 | if err != nil { |
| 1166 | return ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%verror setting value: %s", mc, err)} |
| 1167 | } |
| 1168 | |
| 1169 | return nil |
| 1170 | } |
| 1171 | |
| 1172 | type messageContext struct { |
| 1173 | res *parseResult |
| 1174 | file fileDescriptorish |
| 1175 | elementType string |
| 1176 | elementName string |
| 1177 | option *dpb.UninterpretedOption |
| 1178 | optAggPath string |
| 1179 | } |
| 1180 | |
| 1181 | func (c *messageContext) String() string { |
| 1182 | var ctx bytes.Buffer |
| 1183 | if c.elementType != "file" { |
| 1184 | fmt.Fprintf(&ctx, "%s %s: ", c.elementType, c.elementName) |
| 1185 | } |
| 1186 | if c.option != nil && c.option.Name != nil { |
| 1187 | ctx.WriteString("option ") |
| 1188 | writeOptionName(&ctx, c.option.Name) |
| 1189 | if c.res.nodes == nil { |
| 1190 | // if we have no source position info, try to provide as much context |
| 1191 | // as possible (if nodes != nil, we don't need this because any errors |
| 1192 | // will actually have file and line numbers) |
| 1193 | if c.optAggPath != "" { |
| 1194 | fmt.Fprintf(&ctx, " at %s", c.optAggPath) |
| 1195 | } |
| 1196 | } |
| 1197 | ctx.WriteString(": ") |
| 1198 | } |
| 1199 | return ctx.String() |
| 1200 | } |
| 1201 | |
| 1202 | func writeOptionName(buf *bytes.Buffer, parts []*dpb.UninterpretedOption_NamePart) { |
| 1203 | first := true |
| 1204 | for _, p := range parts { |
| 1205 | if first { |
| 1206 | first = false |
| 1207 | } else { |
| 1208 | buf.WriteByte('.') |
| 1209 | } |
| 1210 | nm := p.GetNamePart() |
| 1211 | if nm[0] == '.' { |
| 1212 | // skip leading dot |
| 1213 | nm = nm[1:] |
| 1214 | } |
| 1215 | if p.GetIsExtension() { |
| 1216 | buf.WriteByte('(') |
| 1217 | buf.WriteString(nm) |
| 1218 | buf.WriteByte(')') |
| 1219 | } else { |
| 1220 | buf.WriteString(nm) |
| 1221 | } |
| 1222 | } |
| 1223 | } |
| 1224 | |
| 1225 | func fieldName(fld *desc.FieldDescriptor) string { |
| 1226 | if fld.IsExtension() { |
| 1227 | return fld.GetFullyQualifiedName() |
| 1228 | } else { |
| 1229 | return fld.GetName() |
| 1230 | } |
| 1231 | } |
| 1232 | |
| 1233 | func valueKind(val interface{}) string { |
| 1234 | switch val := val.(type) { |
| 1235 | case identifier: |
| 1236 | return "identifier" |
| 1237 | case bool: |
| 1238 | return "bool" |
| 1239 | case int64: |
| 1240 | if val < 0 { |
| 1241 | return "negative integer" |
| 1242 | } |
| 1243 | return "integer" |
| 1244 | case uint64: |
| 1245 | return "integer" |
| 1246 | case float64: |
| 1247 | return "double" |
| 1248 | case string, []byte: |
| 1249 | return "string" |
| 1250 | case []*aggregateEntryNode: |
| 1251 | return "message" |
| 1252 | default: |
| 1253 | return fmt.Sprintf("%T", val) |
| 1254 | } |
| 1255 | } |
| 1256 | |
| 1257 | func fieldValue(res *parseResult, mc *messageContext, fld fldDescriptorish, val valueNode, enumAsString bool) (interface{}, error) { |
| 1258 | v := val.value() |
| 1259 | t := fld.AsFieldDescriptorProto().GetType() |
| 1260 | switch t { |
| 1261 | case dpb.FieldDescriptorProto_TYPE_ENUM: |
| 1262 | if id, ok := v.(identifier); ok { |
| 1263 | ev := fld.GetEnumType().FindValueByName(string(id)) |
| 1264 | if ev == nil { |
| 1265 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%venum %s has no value named %s", mc, fld.GetEnumType().GetFullyQualifiedName(), id)} |
| 1266 | } |
| 1267 | if enumAsString { |
| 1268 | return ev.GetName(), nil |
| 1269 | } else { |
| 1270 | return ev.GetNumber(), nil |
| 1271 | } |
| 1272 | } |
| 1273 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vexpecting enum, got %s", mc, valueKind(v))} |
| 1274 | case dpb.FieldDescriptorProto_TYPE_MESSAGE, dpb.FieldDescriptorProto_TYPE_GROUP: |
| 1275 | if aggs, ok := v.([]*aggregateEntryNode); ok { |
| 1276 | fmd := fld.GetMessageType() |
| 1277 | fdm := dynamic.NewMessage(fmd) |
| 1278 | origPath := mc.optAggPath |
| 1279 | defer func() { |
| 1280 | mc.optAggPath = origPath |
| 1281 | }() |
| 1282 | for _, a := range aggs { |
| 1283 | if origPath == "" { |
| 1284 | mc.optAggPath = a.name.value() |
| 1285 | } else { |
| 1286 | mc.optAggPath = origPath + "." + a.name.value() |
| 1287 | } |
| 1288 | var ffld *desc.FieldDescriptor |
| 1289 | if a.name.isExtension { |
| 1290 | n := a.name.name.val |
| 1291 | ffld = findExtension(mc.file, n, false, map[fileDescriptorish]struct{}{}) |
| 1292 | if ffld == nil { |
| 1293 | // may need to qualify with package name |
| 1294 | pkg := mc.file.GetPackage() |
| 1295 | if pkg != "" { |
| 1296 | ffld = findExtension(mc.file, pkg+"."+n, false, map[fileDescriptorish]struct{}{}) |
| 1297 | } |
| 1298 | } |
| 1299 | } else { |
| 1300 | ffld = fmd.FindFieldByName(a.name.value()) |
| 1301 | } |
| 1302 | if ffld == nil { |
| 1303 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vfield %s not found", mc, a.name.name.val)} |
| 1304 | } |
| 1305 | if err := setOptionField(res, mc, fdm, ffld, a.name, a.val); err != nil { |
| 1306 | return nil, err |
| 1307 | } |
| 1308 | } |
| 1309 | return fdm, nil |
| 1310 | } |
| 1311 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vexpecting message, got %s", mc, valueKind(v))} |
| 1312 | case dpb.FieldDescriptorProto_TYPE_BOOL: |
| 1313 | if b, ok := v.(bool); ok { |
| 1314 | return b, nil |
| 1315 | } |
| 1316 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vexpecting bool, got %s", mc, valueKind(v))} |
| 1317 | case dpb.FieldDescriptorProto_TYPE_BYTES: |
| 1318 | if str, ok := v.(string); ok { |
| 1319 | return []byte(str), nil |
| 1320 | } |
| 1321 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vexpecting bytes, got %s", mc, valueKind(v))} |
| 1322 | case dpb.FieldDescriptorProto_TYPE_STRING: |
| 1323 | if str, ok := v.(string); ok { |
| 1324 | return str, nil |
| 1325 | } |
| 1326 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vexpecting string, got %s", mc, valueKind(v))} |
| 1327 | case dpb.FieldDescriptorProto_TYPE_INT32, dpb.FieldDescriptorProto_TYPE_SINT32, dpb.FieldDescriptorProto_TYPE_SFIXED32: |
| 1328 | if i, ok := v.(int64); ok { |
| 1329 | if i > math.MaxInt32 || i < math.MinInt32 { |
| 1330 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vvalue %d is out of range for int32", mc, i)} |
| 1331 | } |
| 1332 | return int32(i), nil |
| 1333 | } |
| 1334 | if ui, ok := v.(uint64); ok { |
| 1335 | if ui > math.MaxInt32 { |
| 1336 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vvalue %d is out of range for int32", mc, ui)} |
| 1337 | } |
| 1338 | return int32(ui), nil |
| 1339 | } |
| 1340 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vexpecting int32, got %s", mc, valueKind(v))} |
| 1341 | case dpb.FieldDescriptorProto_TYPE_UINT32, dpb.FieldDescriptorProto_TYPE_FIXED32: |
| 1342 | if i, ok := v.(int64); ok { |
| 1343 | if i > math.MaxUint32 || i < 0 { |
| 1344 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vvalue %d is out of range for uint32", mc, i)} |
| 1345 | } |
| 1346 | return uint32(i), nil |
| 1347 | } |
| 1348 | if ui, ok := v.(uint64); ok { |
| 1349 | if ui > math.MaxUint32 { |
| 1350 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vvalue %d is out of range for uint32", mc, ui)} |
| 1351 | } |
| 1352 | return uint32(ui), nil |
| 1353 | } |
| 1354 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vexpecting uint32, got %s", mc, valueKind(v))} |
| 1355 | case dpb.FieldDescriptorProto_TYPE_INT64, dpb.FieldDescriptorProto_TYPE_SINT64, dpb.FieldDescriptorProto_TYPE_SFIXED64: |
| 1356 | if i, ok := v.(int64); ok { |
| 1357 | return i, nil |
| 1358 | } |
| 1359 | if ui, ok := v.(uint64); ok { |
| 1360 | if ui > math.MaxInt64 { |
| 1361 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vvalue %d is out of range for int64", mc, ui)} |
| 1362 | } |
| 1363 | return int64(ui), nil |
| 1364 | } |
| 1365 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vexpecting int64, got %s", mc, valueKind(v))} |
| 1366 | case dpb.FieldDescriptorProto_TYPE_UINT64, dpb.FieldDescriptorProto_TYPE_FIXED64: |
| 1367 | if i, ok := v.(int64); ok { |
| 1368 | if i < 0 { |
| 1369 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vvalue %d is out of range for uint64", mc, i)} |
| 1370 | } |
| 1371 | return uint64(i), nil |
| 1372 | } |
| 1373 | if ui, ok := v.(uint64); ok { |
| 1374 | return ui, nil |
| 1375 | } |
| 1376 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vexpecting uint64, got %s", mc, valueKind(v))} |
| 1377 | case dpb.FieldDescriptorProto_TYPE_DOUBLE: |
| 1378 | if d, ok := v.(float64); ok { |
| 1379 | return d, nil |
| 1380 | } |
| 1381 | if i, ok := v.(int64); ok { |
| 1382 | return float64(i), nil |
| 1383 | } |
| 1384 | if u, ok := v.(uint64); ok { |
| 1385 | return float64(u), nil |
| 1386 | } |
| 1387 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vexpecting double, got %s", mc, valueKind(v))} |
| 1388 | case dpb.FieldDescriptorProto_TYPE_FLOAT: |
| 1389 | if d, ok := v.(float64); ok { |
| 1390 | if (d > math.MaxFloat32 || d < -math.MaxFloat32) && !math.IsInf(d, 1) && !math.IsInf(d, -1) && !math.IsNaN(d) { |
| 1391 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vvalue %f is out of range for float", mc, d)} |
| 1392 | } |
| 1393 | return float32(d), nil |
| 1394 | } |
| 1395 | if i, ok := v.(int64); ok { |
| 1396 | return float32(i), nil |
| 1397 | } |
| 1398 | if u, ok := v.(uint64); ok { |
| 1399 | return float32(u), nil |
| 1400 | } |
| 1401 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vexpecting float, got %s", mc, valueKind(v))} |
| 1402 | default: |
| 1403 | return nil, ErrorWithSourcePos{Pos: val.start(), Underlying: fmt.Errorf("%vunrecognized field type: %s", mc, t)} |
| 1404 | } |
| 1405 | } |