github.com/bakjos/protoreflect@v1.9.2/desc/protoprint/testfiles/descriptor-sorted-AND-multiline-style-comments.proto (about) 1 /* 2 * Protocol Buffers - Google's data interchange format 3 * Copyright 2008 Google Inc. All rights reserved. 4 * https://developers.google.com/protocol-buffers/ 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following disclaimer 14 * in the documentation and/or other materials provided with the 15 * distribution. 16 * * Neither the name of Google Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived from 18 * this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Author: kenton@google.com (Kenton Varda) 35 * Based on original Protocol Buffers design by 36 * Sanjay Ghemawat, Jeff Dean, and others. 37 * 38 * The messages in this file describe the definitions found in .proto files. 39 * A valid .proto file can be translated directly to a FileDescriptorProto 40 * without any other information (e.g. without reading its imports). 41 */ 42 43 syntax = "proto2"; 44 45 package google.protobuf; 46 47 option cc_enable_arenas = true; 48 49 option csharp_namespace = "Google.Protobuf.Reflection"; 50 51 option go_package = "github.com/golang/protobuf/protoc-gen-go/descriptor;descriptor"; 52 53 option java_outer_classname = "DescriptorProtos"; 54 55 option java_package = "com.google.protobuf"; 56 57 option objc_class_prefix = "GPB"; 58 59 /* 60 * descriptor.proto must be optimized for speed because reflection-based 61 * algorithms don't work during bootstrapping. 62 */ 63 option optimize_for = SPEED; 64 65 /* Describes a message type. */ 66 message DescriptorProto { 67 optional string name = 1; 68 69 repeated FieldDescriptorProto field = 2; 70 71 repeated DescriptorProto nested_type = 3; 72 73 repeated EnumDescriptorProto enum_type = 4; 74 75 repeated ExtensionRange extension_range = 5; 76 77 repeated FieldDescriptorProto extension = 6; 78 79 optional MessageOptions options = 7; 80 81 repeated OneofDescriptorProto oneof_decl = 8; 82 83 repeated ReservedRange reserved_range = 9; 84 85 /* 86 * Reserved field names, which may not be used by fields in the same message. 87 * A given name may only be reserved once. 88 */ 89 repeated string reserved_name = 10; 90 91 message ExtensionRange { 92 optional int32 start = 1; /* Inclusive. */ 93 94 optional int32 end = 2; /* Exclusive. */ 95 96 optional ExtensionRangeOptions options = 3; 97 } 98 99 /* 100 * Range of reserved tag numbers. Reserved tag numbers may not be used by 101 * fields or extension ranges in the same message. Reserved ranges may 102 * not overlap. 103 */ 104 message ReservedRange { 105 optional int32 start = 1; /* Inclusive. */ 106 107 optional int32 end = 2; /* Exclusive. */ 108 } 109 } 110 111 /* Describes an enum type. */ 112 message EnumDescriptorProto { 113 optional string name = 1; 114 115 repeated EnumValueDescriptorProto value = 2; 116 117 optional EnumOptions options = 3; 118 119 /* 120 * Range of reserved numeric values. Reserved numeric values may not be used 121 * by enum values in the same enum declaration. Reserved ranges may not 122 * overlap. 123 */ 124 repeated EnumReservedRange reserved_range = 4; 125 126 /* 127 * Reserved enum value names, which may not be reused. A given name may only 128 * be reserved once. 129 */ 130 repeated string reserved_name = 5; 131 132 /* 133 * Range of reserved numeric values. Reserved values may not be used by 134 * entries in the same enum. Reserved ranges may not overlap. 135 * 136 * Note that this is distinct from DescriptorProto.ReservedRange in that it 137 * is inclusive such that it can appropriately represent the entire int32 138 * domain. 139 */ 140 message EnumReservedRange { 141 optional int32 start = 1; /* Inclusive. */ 142 143 optional int32 end = 2; /* Inclusive. */ 144 } 145 } 146 147 message EnumOptions { 148 /* 149 * Set this option to true to allow mapping different tag names to the same 150 * value. 151 */ 152 optional bool allow_alias = 2; 153 154 /* 155 * Is this enum deprecated? 156 * Depending on the target platform, this can emit Deprecated annotations 157 * for the enum, or it will be completely ignored; in the very least, this 158 * is a formalization for deprecating enums. 159 */ 160 optional bool deprecated = 3 [default = false]; 161 162 /* The parser stores options it doesn't recognize here. See above. */ 163 repeated UninterpretedOption uninterpreted_option = 999; 164 165 extensions 1000 to max; 166 167 reserved 5; 168 } 169 170 /* Describes a value within an enum. */ 171 message EnumValueDescriptorProto { 172 optional string name = 1; 173 174 optional int32 number = 2; 175 176 optional EnumValueOptions options = 3; 177 } 178 179 message EnumValueOptions { 180 /* 181 * Is this enum value deprecated? 182 * Depending on the target platform, this can emit Deprecated annotations 183 * for the enum value, or it will be completely ignored; in the very least, 184 * this is a formalization for deprecating enum values. 185 */ 186 optional bool deprecated = 1 [default = false]; 187 188 /* The parser stores options it doesn't recognize here. See above. */ 189 repeated UninterpretedOption uninterpreted_option = 999; 190 191 extensions 1000 to max; 192 } 193 194 message ExtensionRangeOptions { 195 /* The parser stores options it doesn't recognize here. See above. */ 196 repeated UninterpretedOption uninterpreted_option = 999; 197 198 extensions 1000 to max; 199 } 200 201 /* Describes a field within a message. */ 202 message FieldDescriptorProto { 203 optional string name = 1; 204 205 /* 206 * For extensions, this is the name of the type being extended. It is 207 * resolved in the same manner as type_name. 208 */ 209 optional string extendee = 2; 210 211 optional int32 number = 3; 212 213 optional Label label = 4; 214 215 /* 216 * If type_name is set, this need not be set. If both this and type_name 217 * are set, this must be one of TYPE_ENUM, TYPE_MESSAGE or TYPE_GROUP. 218 */ 219 optional Type type = 5; 220 221 /* 222 * For message and enum types, this is the name of the type. If the name 223 * starts with a '.', it is fully-qualified. Otherwise, C++-like scoping 224 * rules are used to find the type (i.e. first the nested types within this 225 * message are searched, then within the parent, on up to the root 226 * namespace). 227 */ 228 optional string type_name = 6; 229 230 /* 231 * For numeric types, contains the original text representation of the value. 232 * For booleans, "true" or "false". 233 * For strings, contains the default text contents (not escaped in any way). 234 * For bytes, contains the C escaped value. All bytes >= 128 are escaped. 235 * TODO(kenton): Base-64 encode? 236 */ 237 optional string default_value = 7; 238 239 optional FieldOptions options = 8; 240 241 /* 242 * If set, gives the index of a oneof in the containing type's oneof_decl 243 * list. This field is a member of that oneof. 244 */ 245 optional int32 oneof_index = 9; 246 247 /* 248 * JSON name of this field. The value is set by protocol compiler. If the 249 * user has set a "json_name" option on this field, that option's value 250 * will be used. Otherwise, it's deduced from the field's name by converting 251 * it to camelCase. 252 */ 253 optional string json_name = 10; 254 255 /* 256 * If true, this is a proto3 "optional". When a proto3 field is optional, it 257 * tracks presence regardless of field type. 258 * 259 * When proto3_optional is true, this field must be belong to a oneof to 260 * signal to old proto3 clients that presence is tracked for this field. This 261 * oneof is known as a "synthetic" oneof, and this field must be its sole 262 * member (each proto3 optional field gets its own synthetic oneof). Synthetic 263 * oneofs exist in the descriptor only, and do not generate any API. Synthetic 264 * oneofs must be ordered after all "real" oneofs. 265 * 266 * For message fields, proto3_optional doesn't create any semantic change, 267 * since non-repeated message fields always track presence. However it still 268 * indicates the semantic detail of whether the user wrote "optional" or not. 269 * This can be useful for round-tripping the .proto file. For consistency we 270 * give message fields a synthetic oneof also, even though it is not required 271 * to track presence. This is especially important because the parser can't 272 * tell if a field is a message or an enum, so it must always create a 273 * synthetic oneof. 274 * 275 * Proto2 optional fields do not set this flag, because they already indicate 276 * optional with `LABEL_OPTIONAL`. 277 */ 278 optional bool proto3_optional = 17; 279 280 enum Label { 281 /* 0 is reserved for errors */ 282 LABEL_OPTIONAL = 1; 283 284 LABEL_REQUIRED = 2; 285 286 LABEL_REPEATED = 3; 287 } 288 289 enum Type { 290 /* 291 * 0 is reserved for errors. 292 * Order is weird for historical reasons. 293 */ 294 TYPE_DOUBLE = 1; 295 296 TYPE_FLOAT = 2; 297 298 /* 299 * Not ZigZag encoded. Negative numbers take 10 bytes. Use TYPE_SINT64 if 300 * negative values are likely. 301 */ 302 TYPE_INT64 = 3; 303 304 TYPE_UINT64 = 4; 305 306 /* 307 * Not ZigZag encoded. Negative numbers take 10 bytes. Use TYPE_SINT32 if 308 * negative values are likely. 309 */ 310 TYPE_INT32 = 5; 311 312 TYPE_FIXED64 = 6; 313 314 TYPE_FIXED32 = 7; 315 316 TYPE_BOOL = 8; 317 318 TYPE_STRING = 9; 319 320 /* 321 * Tag-delimited aggregate. 322 * Group type is deprecated and not supported in proto3. However, Proto3 323 * implementations should still be able to parse the group wire format and 324 * treat group fields as unknown fields. 325 */ 326 TYPE_GROUP = 10; 327 328 TYPE_MESSAGE = 11; /* Length-delimited aggregate. */ 329 330 /* New in version 2. */ 331 TYPE_BYTES = 12; 332 333 TYPE_UINT32 = 13; 334 335 TYPE_ENUM = 14; 336 337 TYPE_SFIXED32 = 15; 338 339 TYPE_SFIXED64 = 16; 340 341 TYPE_SINT32 = 17; /* Uses ZigZag encoding. */ 342 343 TYPE_SINT64 = 18; /* Uses ZigZag encoding. */ 344 } 345 } 346 347 message FieldOptions { 348 /* 349 * The ctype option instructs the C++ code generator to use a different 350 * representation of the field than it normally would. See the specific 351 * options below. This option is not yet implemented in the open source 352 * release -- sorry, we'll try to include it in a future version! 353 */ 354 optional CType ctype = 1 [default = STRING]; 355 356 /* 357 * The packed option can be enabled for repeated primitive fields to enable 358 * a more efficient representation on the wire. Rather than repeatedly 359 * writing the tag and type for each element, the entire array is encoded as 360 * a single length-delimited blob. In proto3, only explicit setting it to 361 * false will avoid using packed encoding. 362 */ 363 optional bool packed = 2; 364 365 /* 366 * Is this field deprecated? 367 * Depending on the target platform, this can emit Deprecated annotations 368 * for accessors, or it will be completely ignored; in the very least, this 369 * is a formalization for deprecating fields. 370 */ 371 optional bool deprecated = 3 [default = false]; 372 373 /* 374 * Should this field be parsed lazily? Lazy applies only to message-type 375 * fields. It means that when the outer message is initially parsed, the 376 * inner message's contents will not be parsed but instead stored in encoded 377 * form. The inner message will actually be parsed when it is first accessed. 378 * 379 * This is only a hint. Implementations are free to choose whether to use 380 * eager or lazy parsing regardless of the value of this option. However, 381 * setting this option true suggests that the protocol author believes that 382 * using lazy parsing on this field is worth the additional bookkeeping 383 * overhead typically needed to implement it. 384 * 385 * This option does not affect the public interface of any generated code; 386 * all method signatures remain the same. Furthermore, thread-safety of the 387 * interface is not affected by this option; const methods remain safe to 388 * call from multiple threads concurrently, while non-const methods continue 389 * to require exclusive access. 390 * 391 * 392 * Note that implementations may choose not to check required fields within 393 * a lazy sub-message. That is, calling IsInitialized() on the outer message 394 * may return true even if the inner message has missing required fields. 395 * This is necessary because otherwise the inner message would have to be 396 * parsed in order to perform the check, defeating the purpose of lazy 397 * parsing. An implementation which chooses not to check required fields 398 * must be consistent about it. That is, for any particular sub-message, the 399 * implementation must either *always* check its required fields, or *never* 400 * check its required fields, regardless of whether or not the message has 401 * been parsed. 402 */ 403 optional bool lazy = 5 [default = false]; 404 405 /* 406 * The jstype option determines the JavaScript type used for values of the 407 * field. The option is permitted only for 64 bit integral and fixed types 408 * (int64, uint64, sint64, fixed64, sfixed64). A field with jstype JS_STRING 409 * is represented as JavaScript string, which avoids loss of precision that 410 * can happen when a large value is converted to a floating point JavaScript. 411 * Specifying JS_NUMBER for the jstype causes the generated JavaScript code to 412 * use the JavaScript "number" type. The behavior of the default option 413 * JS_NORMAL is implementation dependent. 414 * 415 * This option is an enum to permit additional types to be added, e.g. 416 * goog.math.Integer. 417 */ 418 optional JSType jstype = 6 [default = JS_NORMAL]; 419 420 /* For Google-internal migration only. Do not use. */ 421 optional bool weak = 10 [default = false]; 422 423 /* The parser stores options it doesn't recognize here. See above. */ 424 repeated UninterpretedOption uninterpreted_option = 999; 425 426 enum CType { 427 /* Default mode. */ 428 STRING = 0; 429 430 CORD = 1; 431 432 STRING_PIECE = 2; 433 } 434 435 enum JSType { 436 /* Use the default type. */ 437 JS_NORMAL = 0; 438 439 /* Use JavaScript strings. */ 440 JS_STRING = 1; 441 442 /* Use JavaScript numbers. */ 443 JS_NUMBER = 2; 444 } 445 446 extensions 1000 to max; 447 448 reserved 4; 449 } 450 451 /* Describes a complete .proto file. */ 452 message FileDescriptorProto { 453 optional string name = 1; /* file name, relative to root of source tree */ 454 455 optional string package = 2; /* e.g. "foo", "foo.bar", etc. */ 456 457 /* Names of files imported by this file. */ 458 repeated string dependency = 3; 459 460 /* All top-level definitions in this file. */ 461 repeated DescriptorProto message_type = 4; 462 463 repeated EnumDescriptorProto enum_type = 5; 464 465 repeated ServiceDescriptorProto service = 6; 466 467 repeated FieldDescriptorProto extension = 7; 468 469 optional FileOptions options = 8; 470 471 /* 472 * This field contains optional information about the original source code. 473 * You may safely remove this entire field without harming runtime 474 * functionality of the descriptors -- the information is needed only by 475 * development tools. 476 */ 477 optional SourceCodeInfo source_code_info = 9; 478 479 /* Indexes of the public imported files in the dependency list above. */ 480 repeated int32 public_dependency = 10; 481 482 /* 483 * Indexes of the weak imported files in the dependency list. 484 * For Google-internal migration only. Do not use. 485 */ 486 repeated int32 weak_dependency = 11; 487 488 /* 489 * The syntax of the proto file. 490 * The supported values are "proto2" and "proto3". 491 */ 492 optional string syntax = 12; 493 } 494 495 /* 496 * The protocol compiler can output a FileDescriptorSet containing the .proto 497 * files it parses. 498 */ 499 message FileDescriptorSet { 500 repeated FileDescriptorProto file = 1; 501 } 502 503 /* 504 * =================================================================== 505 * Options 506 */ 507 508 /* 509 * Each of the definitions above may have "options" attached. These are 510 * just annotations which may cause code to be generated slightly differently 511 * or may contain hints for code that manipulates protocol messages. 512 * 513 * Clients may define custom options as extensions of the *Options messages. 514 * These extensions may not yet be known at parsing time, so the parser cannot 515 * store the values in them. Instead it stores them in a field in the *Options 516 * message called uninterpreted_option. This field must have the same name 517 * across all *Options messages. We then use this field to populate the 518 * extensions when we build a descriptor, at which point all protos have been 519 * parsed and so all extensions are known. 520 * 521 * Extension numbers for custom options may be chosen as follows: 522 * * For options which will only be used within a single application or 523 * organization, or for experimental options, use field numbers 50000 524 * through 99999. It is up to you to ensure that you do not use the 525 * same number for multiple options. 526 * * For options which will be published and used publicly by multiple 527 * independent entities, e-mail protobuf-global-extension-registry@google.com 528 * to reserve extension numbers. Simply provide your project name (e.g. 529 * Objective-C plugin) and your project website (if available) -- there's no 530 * need to explain how you intend to use them. Usually you only need one 531 * extension number. You can declare multiple options with only one extension 532 * number by putting them in a sub-message. See the Custom Options section of 533 * the docs for examples: 534 * https://developers.google.com/protocol-buffers/docs/proto#options 535 * If this turns out to be popular, a web service will be set up 536 * to automatically assign option numbers. 537 */ 538 539 message FileOptions { 540 /* 541 * Sets the Java package where classes generated from this .proto will be 542 * placed. By default, the proto package is used, but this is often 543 * inappropriate because proto packages do not normally start with backwards 544 * domain names. 545 */ 546 optional string java_package = 1; 547 548 /* 549 * If set, all the classes from the .proto file are wrapped in a single 550 * outer class with the given name. This applies to both Proto1 551 * (equivalent to the old "--one_java_file" option) and Proto2 (where 552 * a .proto always translates to a single class, but you may want to 553 * explicitly choose the class name). 554 */ 555 optional string java_outer_classname = 8; 556 557 optional OptimizeMode optimize_for = 9 [default = SPEED]; 558 559 /* 560 * If set true, then the Java code generator will generate a separate .java 561 * file for each top-level message, enum, and service defined in the .proto 562 * file. Thus, these types will *not* be nested inside the outer class 563 * named by java_outer_classname. However, the outer class will still be 564 * generated to contain the file's getDescriptor() method as well as any 565 * top-level extensions defined in the file. 566 */ 567 optional bool java_multiple_files = 10 [default = false]; 568 569 /* 570 * Sets the Go package where structs generated from this .proto will be 571 * placed. If omitted, the Go package will be derived from the following: 572 * - The basename of the package import path, if provided. 573 * - Otherwise, the package statement in the .proto file, if present. 574 * - Otherwise, the basename of the .proto file, without extension. 575 */ 576 optional string go_package = 11; 577 578 /* 579 * Should generic services be generated in each language? "Generic" services 580 * are not specific to any particular RPC system. They are generated by the 581 * main code generators in each language (without additional plugins). 582 * Generic services were the only kind of service generation supported by 583 * early versions of google.protobuf. 584 * 585 * Generic services are now considered deprecated in favor of using plugins 586 * that generate code specific to your particular RPC system. Therefore, 587 * these default to false. Old code which depends on generic services should 588 * explicitly set them to true. 589 */ 590 optional bool cc_generic_services = 16 [default = false]; 591 592 optional bool java_generic_services = 17 [default = false]; 593 594 optional bool py_generic_services = 18 [default = false]; 595 596 /* This option does nothing. */ 597 optional bool java_generate_equals_and_hash = 20 [deprecated = true]; 598 599 /* 600 * Is this file deprecated? 601 * Depending on the target platform, this can emit Deprecated annotations 602 * for everything in the file, or it will be completely ignored; in the very 603 * least, this is a formalization for deprecating files. 604 */ 605 optional bool deprecated = 23 [default = false]; 606 607 /* 608 * If set true, then the Java2 code generator will generate code that 609 * throws an exception whenever an attempt is made to assign a non-UTF-8 610 * byte sequence to a string field. 611 * Message reflection will do the same. 612 * However, an extension field still accepts non-UTF-8 byte sequences. 613 * This option has no effect on when used with the lite runtime. 614 */ 615 optional bool java_string_check_utf8 = 27 [default = false]; 616 617 /* 618 * Enables the use of arenas for the proto messages in this file. This applies 619 * only to generated classes for C++. 620 */ 621 optional bool cc_enable_arenas = 31 [default = true]; 622 623 /* 624 * Sets the objective c class prefix which is prepended to all objective c 625 * generated classes from this .proto. There is no default. 626 */ 627 optional string objc_class_prefix = 36; 628 629 /* Namespace for generated classes; defaults to the package. */ 630 optional string csharp_namespace = 37; 631 632 /* 633 * By default Swift generators will take the proto package and CamelCase it 634 * replacing '.' with underscore and use that to prefix the types/symbols 635 * defined. When this options is provided, they will use this value instead 636 * to prefix the types/symbols defined. 637 */ 638 optional string swift_prefix = 39; 639 640 /* 641 * Sets the php class prefix which is prepended to all php generated classes 642 * from this .proto. Default is empty. 643 */ 644 optional string php_class_prefix = 40; 645 646 /* 647 * Use this option to change the namespace of php generated classes. Default 648 * is empty. When this option is empty, the package name will be used for 649 * determining the namespace. 650 */ 651 optional string php_namespace = 41; 652 653 optional bool php_generic_services = 42 [default = false]; 654 655 /* 656 * Use this option to change the namespace of php generated metadata classes. 657 * Default is empty. When this option is empty, the proto file name will be 658 * used for determining the namespace. 659 */ 660 optional string php_metadata_namespace = 44; 661 662 /* 663 * Use this option to change the package of ruby generated classes. Default 664 * is empty. When this option is not set, the package name will be used for 665 * determining the ruby package. 666 */ 667 optional string ruby_package = 45; 668 669 /* 670 * The parser stores options it doesn't recognize here. 671 * See the documentation for the "Options" section above. 672 */ 673 repeated UninterpretedOption uninterpreted_option = 999; 674 675 /* Generated classes can be optimized for speed or code size. */ 676 enum OptimizeMode { 677 SPEED = 1; /* Generate complete code for parsing, serialization, */ 678 679 /* etc. */ 680 CODE_SIZE = 2; /* Use ReflectionOps to implement these methods. */ 681 682 LITE_RUNTIME = 3; /* Generate code using MessageLite and the lite runtime. */ 683 } 684 685 extensions 1000 to max; 686 687 reserved 38; 688 } 689 690 /* 691 * Describes the relationship between generated code and its original source 692 * file. A GeneratedCodeInfo message is associated with only one generated 693 * source file, but may contain references to different source .proto files. 694 */ 695 message GeneratedCodeInfo { 696 /* 697 * An Annotation connects some span of text in generated code to an element 698 * of its generating .proto file. 699 */ 700 repeated Annotation annotation = 1; 701 702 message Annotation { 703 /* 704 * Identifies the element in the original source .proto file. This field 705 * is formatted the same as SourceCodeInfo.Location.path. 706 */ 707 repeated int32 path = 1 [packed = true]; 708 709 /* Identifies the filesystem path to the original source .proto. */ 710 optional string source_file = 2; 711 712 /* 713 * Identifies the starting offset in bytes in the generated code 714 * that relates to the identified object. 715 */ 716 optional int32 begin = 3; 717 718 /* 719 * Identifies the ending offset in bytes in the generated code that 720 * relates to the identified offset. The end offset should be one past 721 * the last relevant byte (so the length of the text = end - begin). 722 */ 723 optional int32 end = 4; 724 } 725 } 726 727 message MessageOptions { 728 /* 729 * Set true to use the old proto1 MessageSet wire format for extensions. 730 * This is provided for backwards-compatibility with the MessageSet wire 731 * format. You should not use this for any other reason: It's less 732 * efficient, has fewer features, and is more complicated. 733 * 734 * The message must be defined exactly as follows: 735 * message Foo { 736 * option message_set_wire_format = true; 737 * extensions 4 to max; 738 * } 739 * Note that the message cannot have any defined fields; MessageSets only 740 * have extensions. 741 * 742 * All extensions of your type must be singular messages; e.g. they cannot 743 * be int32s, enums, or repeated messages. 744 * 745 * Because this is an option, the above two restrictions are not enforced by 746 * the protocol compiler. 747 */ 748 optional bool message_set_wire_format = 1 [default = false]; 749 750 /* 751 * Disables the generation of the standard "descriptor()" accessor, which can 752 * conflict with a field of the same name. This is meant to make migration 753 * from proto1 easier; new code should avoid fields named "descriptor". 754 */ 755 optional bool no_standard_descriptor_accessor = 2 [default = false]; 756 757 /* 758 * Is this message deprecated? 759 * Depending on the target platform, this can emit Deprecated annotations 760 * for the message, or it will be completely ignored; in the very least, 761 * this is a formalization for deprecating messages. 762 */ 763 optional bool deprecated = 3 [default = false]; 764 765 /* 766 * Whether the message is an automatically generated map entry type for the 767 * maps field. 768 * 769 * For maps fields: 770 * map<KeyType, ValueType> map_field = 1; 771 * The parsed descriptor looks like: 772 * message MapFieldEntry { 773 * option map_entry = true; 774 * optional KeyType key = 1; 775 * optional ValueType value = 2; 776 * } 777 * repeated MapFieldEntry map_field = 1; 778 * 779 * Implementations may choose not to generate the map_entry=true message, but 780 * use a native map in the target language to hold the keys and values. 781 * The reflection APIs in such implementations still need to work as 782 * if the field is a repeated message field. 783 * 784 * NOTE: Do not set the option in .proto files. Always use the maps syntax 785 * instead. The option should only be implicitly set by the proto compiler 786 * parser. 787 */ 788 optional bool map_entry = 7; 789 790 /* The parser stores options it doesn't recognize here. See above. */ 791 repeated UninterpretedOption uninterpreted_option = 999; 792 793 extensions 1000 to max; 794 795 reserved 8, 9; 796 } 797 798 /* Describes a method of a service. */ 799 message MethodDescriptorProto { 800 optional string name = 1; 801 802 /* 803 * Input and output type names. These are resolved in the same way as 804 * FieldDescriptorProto.type_name, but must refer to a message type. 805 */ 806 optional string input_type = 2; 807 808 optional string output_type = 3; 809 810 optional MethodOptions options = 4; 811 812 /* Identifies if client streams multiple client messages */ 813 optional bool client_streaming = 5 [default = false]; 814 815 /* Identifies if server streams multiple server messages */ 816 optional bool server_streaming = 6 [default = false]; 817 } 818 819 message MethodOptions { 820 /* 821 * Note: Field numbers 1 through 32 are reserved for Google's internal RPC 822 * framework. We apologize for hoarding these numbers to ourselves, but 823 * we were already using them long before we decided to release Protocol 824 * Buffers. 825 */ 826 827 /* 828 * Is this method deprecated? 829 * Depending on the target platform, this can emit Deprecated annotations 830 * for the method, or it will be completely ignored; in the very least, 831 * this is a formalization for deprecating methods. 832 */ 833 optional bool deprecated = 33 [default = false]; 834 835 optional IdempotencyLevel idempotency_level = 34 [default = IDEMPOTENCY_UNKNOWN]; 836 837 /* The parser stores options it doesn't recognize here. See above. */ 838 repeated UninterpretedOption uninterpreted_option = 999; 839 840 /* 841 * Is this method side-effect-free (or safe in HTTP parlance), or idempotent, 842 * or neither? HTTP based RPC implementation may choose GET verb for safe 843 * methods, and PUT verb for idempotent methods instead of the default POST. 844 */ 845 enum IdempotencyLevel { 846 IDEMPOTENCY_UNKNOWN = 0; 847 848 NO_SIDE_EFFECTS = 1; /* implies idempotent */ 849 850 IDEMPOTENT = 2; /* idempotent, but may have side effects */ 851 } 852 853 extensions 1000 to max; 854 } 855 856 /* Describes a oneof. */ 857 message OneofDescriptorProto { 858 optional string name = 1; 859 860 optional OneofOptions options = 2; 861 } 862 863 message OneofOptions { 864 /* The parser stores options it doesn't recognize here. See above. */ 865 repeated UninterpretedOption uninterpreted_option = 999; 866 867 extensions 1000 to max; 868 } 869 870 /* Describes a service. */ 871 message ServiceDescriptorProto { 872 optional string name = 1; 873 874 repeated MethodDescriptorProto method = 2; 875 876 optional ServiceOptions options = 3; 877 } 878 879 message ServiceOptions { 880 /* 881 * Note: Field numbers 1 through 32 are reserved for Google's internal RPC 882 * framework. We apologize for hoarding these numbers to ourselves, but 883 * we were already using them long before we decided to release Protocol 884 * Buffers. 885 */ 886 887 /* 888 * Is this service deprecated? 889 * Depending on the target platform, this can emit Deprecated annotations 890 * for the service, or it will be completely ignored; in the very least, 891 * this is a formalization for deprecating services. 892 */ 893 optional bool deprecated = 33 [default = false]; 894 895 /* The parser stores options it doesn't recognize here. See above. */ 896 repeated UninterpretedOption uninterpreted_option = 999; 897 898 extensions 1000 to max; 899 } 900 901 /* 902 * =================================================================== 903 * Optional source code info 904 */ 905 906 /* 907 * Encapsulates information about the original source file from which a 908 * FileDescriptorProto was generated. 909 */ 910 message SourceCodeInfo { 911 /* 912 * A Location identifies a piece of source code in a .proto file which 913 * corresponds to a particular definition. This information is intended 914 * to be useful to IDEs, code indexers, documentation generators, and similar 915 * tools. 916 * 917 * For example, say we have a file like: 918 * message Foo { 919 * optional string foo = 1; 920 * } 921 * Let's look at just the field definition: 922 * optional string foo = 1; 923 * ^ ^^ ^^ ^ ^^^ 924 * a bc de f ghi 925 * We have the following locations: 926 * span path represents 927 * [a,i) [ 4, 0, 2, 0 ] The whole field definition. 928 * [a,b) [ 4, 0, 2, 0, 4 ] The label (optional). 929 * [c,d) [ 4, 0, 2, 0, 5 ] The type (string). 930 * [e,f) [ 4, 0, 2, 0, 1 ] The name (foo). 931 * [g,h) [ 4, 0, 2, 0, 3 ] The number (1). 932 * 933 * Notes: 934 * - A location may refer to a repeated field itself (i.e. not to any 935 * particular index within it). This is used whenever a set of elements are 936 * logically enclosed in a single code segment. For example, an entire 937 * extend block (possibly containing multiple extension definitions) will 938 * have an outer location whose path refers to the "extensions" repeated 939 * field without an index. 940 * - Multiple locations may have the same path. This happens when a single 941 * logical declaration is spread out across multiple places. The most 942 * obvious example is the "extend" block again -- there may be multiple 943 * extend blocks in the same scope, each of which will have the same path. 944 * - A location's span is not always a subset of its parent's span. For 945 * example, the "extendee" of an extension declaration appears at the 946 * beginning of the "extend" block and is shared by all extensions within 947 * the block. 948 * - Just because a location's span is a subset of some other location's span 949 * does not mean that it is a descendant. For example, a "group" defines 950 * both a type and a field in a single declaration. Thus, the locations 951 * corresponding to the type and field and their components will overlap. 952 * - Code which tries to interpret locations should probably be designed to 953 * ignore those that it doesn't understand, as more types of locations could 954 * be recorded in the future. 955 */ 956 repeated Location location = 1; 957 958 message Location { 959 /* 960 * Identifies which part of the FileDescriptorProto was defined at this 961 * location. 962 * 963 * Each element is a field number or an index. They form a path from 964 * the root FileDescriptorProto to the place where the definition. For 965 * example, this path: 966 * [ 4, 3, 2, 7, 1 ] 967 * refers to: 968 * file.message_type(3) // 4, 3 969 * .field(7) // 2, 7 970 * .name() // 1 971 * This is because FileDescriptorProto.message_type has field number 4: 972 * repeated DescriptorProto message_type = 4; 973 * and DescriptorProto.field has field number 2: 974 * repeated FieldDescriptorProto field = 2; 975 * and FieldDescriptorProto.name has field number 1: 976 * optional string name = 1; 977 * 978 * Thus, the above path gives the location of a field name. If we removed 979 * the last element: 980 * [ 4, 3, 2, 7 ] 981 * this path refers to the whole field declaration (from the beginning 982 * of the label to the terminating semicolon). 983 */ 984 repeated int32 path = 1 [packed = true]; 985 986 /* 987 * Always has exactly three or four elements: start line, start column, 988 * end line (optional, otherwise assumed same as start line), end column. 989 * These are packed into a single field for efficiency. Note that line 990 * and column numbers are zero-based -- typically you will want to add 991 * 1 to each before displaying to a user. 992 */ 993 repeated int32 span = 2 [packed = true]; 994 995 // If this SourceCodeInfo represents a complete declaration, these are any 996 // comments appearing before and after the declaration which appear to be 997 // attached to the declaration. 998 // 999 // A series of line comments appearing on consecutive lines, with no other 1000 // tokens appearing on those lines, will be treated as a single comment. 1001 // 1002 // leading_detached_comments will keep paragraphs of comments that appear 1003 // before (but not connected to) the current element. Each paragraph, 1004 // separated by empty lines, will be one comment element in the repeated 1005 // field. 1006 // 1007 // Only the comment content is provided; comment markers (e.g. //) are 1008 // stripped out. For block comments, leading whitespace and an asterisk 1009 // will be stripped from the beginning of each line other than the first. 1010 // Newlines are included in the output. 1011 // 1012 // Examples: 1013 // 1014 // optional int32 foo = 1; // Comment attached to foo. 1015 // // Comment attached to bar. 1016 // optional int32 bar = 2; 1017 // 1018 // optional string baz = 3; 1019 // // Comment attached to baz. 1020 // // Another line attached to baz. 1021 // 1022 // // Comment attached to qux. 1023 // // 1024 // // Another line attached to qux. 1025 // optional double qux = 4; 1026 // 1027 // // Detached comment for corge. This is not leading or trailing comments 1028 // // to qux or corge because there are blank lines separating it from 1029 // // both. 1030 // 1031 // // Detached comment for corge paragraph 2. 1032 // 1033 // optional string corge = 5; 1034 // /* Block comment attached 1035 // * to corge. Leading asterisks 1036 // * will be removed. */ 1037 // /* Block comment attached to 1038 // * grault. */ 1039 // optional int32 grault = 6; 1040 // 1041 // // ignored detached comments. 1042 optional string leading_comments = 3; 1043 1044 optional string trailing_comments = 4; 1045 1046 repeated string leading_detached_comments = 6; 1047 } 1048 } 1049 1050 /* 1051 * A message representing a option the parser does not recognize. This only 1052 * appears in options protos created by the compiler::Parser class. 1053 * DescriptorPool resolves these when building Descriptor objects. Therefore, 1054 * options protos in descriptor objects (e.g. returned by Descriptor::options(), 1055 * or produced by Descriptor::CopyTo()) will never have UninterpretedOptions 1056 * in them. 1057 */ 1058 message UninterpretedOption { 1059 repeated NamePart name = 2; 1060 1061 /* 1062 * The value of the uninterpreted option, in whatever type the tokenizer 1063 * identified it as during parsing. Exactly one of these should be set. 1064 */ 1065 optional string identifier_value = 3; 1066 1067 optional uint64 positive_int_value = 4; 1068 1069 optional int64 negative_int_value = 5; 1070 1071 optional double double_value = 6; 1072 1073 optional bytes string_value = 7; 1074 1075 optional string aggregate_value = 8; 1076 1077 /* 1078 * The name of the uninterpreted option. Each string represents a segment in 1079 * a dot-separated name. is_extension is true iff a segment represents an 1080 * extension (denoted with parentheses in options specs in .proto files). 1081 * E.g.,{ ["foo", false], ["bar.baz", true], ["qux", false] } represents 1082 * "foo.(bar.baz).qux". 1083 */ 1084 message NamePart { 1085 required string name_part = 1; 1086 1087 required bool is_extension = 2; 1088 } 1089 }