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Issue 1322483002: Revert https://codereview.chromium.org/1291903002 (protobuf roll). (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 3 months ago
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1 // Protocol Buffers - Google's data interchange format 1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2008 Google Inc. All rights reserved. 2 // Copyright 2008 Google Inc. All rights reserved.
3 // https://developers.google.com/protocol-buffers/ 3 // http://code.google.com/p/protobuf/
4 // 4 //
5 // Redistribution and use in source and binary forms, with or without 5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are 6 // modification, are permitted provided that the following conditions are
7 // met: 7 // met:
8 // 8 //
9 // * Redistributions of source code must retain the above copyright 9 // * Redistributions of source code must retain the above copyright
10 // notice, this list of conditions and the following disclaimer. 10 // notice, this list of conditions and the following disclaimer.
11 // * Redistributions in binary form must reproduce the above 11 // * Redistributions in binary form must reproduce the above
12 // copyright notice, this list of conditions and the following disclaimer 12 // copyright notice, this list of conditions and the following disclaimer
13 // in the documentation and/or other materials provided with the 13 // in the documentation and/or other materials provided with the
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32 // Based on original Protocol Buffers design by 32 // Based on original Protocol Buffers design by
33 // Sanjay Ghemawat, Jeff Dean, and others. 33 // Sanjay Ghemawat, Jeff Dean, and others.
34 // 34 //
35 // Implements the Protocol Compiler front-end such that it may be reused by 35 // Implements the Protocol Compiler front-end such that it may be reused by
36 // custom compilers written to support other languages. 36 // custom compilers written to support other languages.
37 37
38 #ifndef GOOGLE_PROTOBUF_COMPILER_COMMAND_LINE_INTERFACE_H__ 38 #ifndef GOOGLE_PROTOBUF_COMPILER_COMMAND_LINE_INTERFACE_H__
39 #define GOOGLE_PROTOBUF_COMPILER_COMMAND_LINE_INTERFACE_H__ 39 #define GOOGLE_PROTOBUF_COMPILER_COMMAND_LINE_INTERFACE_H__
40 40
41 #include <google/protobuf/stubs/common.h> 41 #include <google/protobuf/stubs/common.h>
42 #include <google/protobuf/stubs/hash.h>
43 #include <string> 42 #include <string>
44 #include <vector> 43 #include <vector>
45 #include <map> 44 #include <map>
46 #include <set> 45 #include <set>
47 #include <utility> 46 #include <utility>
48 47
49 namespace google { 48 namespace google {
50 namespace protobuf { 49 namespace protobuf {
51 50
52 class Descriptor; // descriptor.h 51 class FileDescriptor; // descriptor.h
53 class DescriptorPool; // descriptor.h 52 class DescriptorPool; // descriptor.h
54 class FileDescriptor; // descriptor.h
55 class FileDescriptorProto; // descriptor.pb.h 53 class FileDescriptorProto; // descriptor.pb.h
56 template<typename T> class RepeatedPtrField; // repeated_field.h 54 template<typename T> class RepeatedPtrField; // repeated_field.h
57 55
58 namespace compiler { 56 namespace compiler {
59 57
60 class CodeGenerator; // code_generator.h 58 class CodeGenerator; // code_generator.h
61 class GeneratorContext; // code_generator.h 59 class GeneratorContext; // code_generator.h
62 class DiskSourceTree; // importer.h 60 class DiskSourceTree; // importer.h
63 61
64 // This class implements the command-line interface to the protocol compiler. 62 // This class implements the command-line interface to the protocol compiler.
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184 version_info_ = text; 182 version_info_ = text;
185 } 183 }
186 184
187 185
188 private: 186 private:
189 // ----------------------------------------------------------------- 187 // -----------------------------------------------------------------
190 188
191 class ErrorPrinter; 189 class ErrorPrinter;
192 class GeneratorContextImpl; 190 class GeneratorContextImpl;
193 class MemoryOutputStream; 191 class MemoryOutputStream;
194 typedef hash_map<string, GeneratorContextImpl*> GeneratorContextMap;
195 192
196 // Clear state from previous Run(). 193 // Clear state from previous Run().
197 void Clear(); 194 void Clear();
198 195
199 // Remaps each file in input_files_ so that it is relative to one of the 196 // Remaps each file in input_files_ so that it is relative to one of the
200 // directories in proto_path_. Returns false if an error occurred. This 197 // directories in proto_path_. Returns false if an error occurred. This
201 // is only used if inputs_are_proto_path_relative_ is false. 198 // is only used if inputs_are_proto_path_relative_ is false.
202 bool MakeInputsBeProtoPathRelative( 199 bool MakeInputsBeProtoPathRelative(
203 DiskSourceTree* source_tree); 200 DiskSourceTree* source_tree);
204 201
205 // Return status for ParseArguments() and InterpretArgument(). 202 // Return status for ParseArguments() and InterpretArgument().
206 enum ParseArgumentStatus { 203 enum ParseArgumentStatus {
207 PARSE_ARGUMENT_DONE_AND_CONTINUE, 204 PARSE_ARGUMENT_DONE_AND_CONTINUE,
208 PARSE_ARGUMENT_DONE_AND_EXIT, 205 PARSE_ARGUMENT_DONE_AND_EXIT,
209 PARSE_ARGUMENT_FAIL 206 PARSE_ARGUMENT_FAIL
210 }; 207 };
211 208
212 // Parse all command-line arguments. 209 // Parse all command-line arguments.
213 ParseArgumentStatus ParseArguments(int argc, const char* const argv[]); 210 ParseArgumentStatus ParseArguments(int argc, const char* const argv[]);
214 211
215 // Parses a command-line argument into a name/value pair. Returns 212 // Parses a command-line argument into a name/value pair. Returns
216 // true if the next argument in the argv should be used as the value, 213 // true if the next argument in the argv should be used as the value,
217 // false otherwise. 214 // false otherwise.
218 // 215 //
219 // Examples: 216 // Exmaples:
220 // "-Isrc/protos" -> 217 // "-Isrc/protos" ->
221 // name = "-I", value = "src/protos" 218 // name = "-I", value = "src/protos"
222 // "--cpp_out=src/foo.pb2.cc" -> 219 // "--cpp_out=src/foo.pb2.cc" ->
223 // name = "--cpp_out", value = "src/foo.pb2.cc" 220 // name = "--cpp_out", value = "src/foo.pb2.cc"
224 // "foo.proto" -> 221 // "foo.proto" ->
225 // name = "", value = "foo.proto" 222 // name = "", value = "foo.proto"
226 bool ParseArgument(const char* arg, string* name, string* value); 223 bool ParseArgument(const char* arg, string* name, string* value);
227 224
228 // Interprets arguments parsed with ParseArgument. 225 // Interprets arguments parsed with ParseArgument.
229 ParseArgumentStatus InterpretArgument(const string& name, 226 ParseArgumentStatus InterpretArgument(const string& name,
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242 const string& parameter, 239 const string& parameter,
243 GeneratorContext* generator_context, 240 GeneratorContext* generator_context,
244 string* error); 241 string* error);
245 242
246 // Implements --encode and --decode. 243 // Implements --encode and --decode.
247 bool EncodeOrDecode(const DescriptorPool* pool); 244 bool EncodeOrDecode(const DescriptorPool* pool);
248 245
249 // Implements the --descriptor_set_out option. 246 // Implements the --descriptor_set_out option.
250 bool WriteDescriptorSet(const vector<const FileDescriptor*> parsed_files); 247 bool WriteDescriptorSet(const vector<const FileDescriptor*> parsed_files);
251 248
252 // Implements the --dependency_out option
253 bool GenerateDependencyManifestFile(
254 const vector<const FileDescriptor*>& parsed_files,
255 const GeneratorContextMap& output_directories,
256 DiskSourceTree* source_tree);
257
258 // Get all transitive dependencies of the given file (including the file 249 // Get all transitive dependencies of the given file (including the file
259 // itself), adding them to the given list of FileDescriptorProtos. The 250 // itself), adding them to the given list of FileDescriptorProtos. The
260 // protos will be ordered such that every file is listed before any file that 251 // protos will be ordered such that every file is listed before any file that
261 // depends on it, so that you can call DescriptorPool::BuildFile() on them 252 // depends on it, so that you can call DescriptorPool::BuildFile() on them
262 // in order. Any files in *already_seen will not be added, and each file 253 // in order. Any files in *already_seen will not be added, and each file
263 // added will be inserted into *already_seen. If include_source_code_info is 254 // added will be inserted into *already_seen. If include_source_code_info is
264 // true then include the source code information in the FileDescriptorProtos. 255 // true then include the source code information in the FileDescriptorProtos.
265 static void GetTransitiveDependencies( 256 static void GetTransitiveDependencies(
266 const FileDescriptor* file, 257 const FileDescriptor* file,
267 bool include_source_code_info, 258 bool include_source_code_info,
268 set<const FileDescriptor*>* already_seen, 259 set<const FileDescriptor*>* already_seen,
269 RepeatedPtrField<FileDescriptorProto>* output); 260 RepeatedPtrField<FileDescriptorProto>* output);
270 261
271 // Implements the --print_free_field_numbers. This function prints free field
272 // numbers into stdout for the message and it's nested message types in
273 // post-order, i.e. nested types first. Printed range are left-right
274 // inclusive, i.e. [a, b].
275 //
276 // Groups:
277 // For historical reasons, groups are considered to share the same
278 // field number space with the parent message, thus it will not print free
279 // field numbers for groups. The field numbers used in the groups are
280 // excluded in the free field numbers of the parent message.
281 //
282 // Extension Ranges:
283 // Extension ranges are considered ocuppied field numbers and they will not be
284 // listed as free numbers in the output.
285 void PrintFreeFieldNumbers(const Descriptor* descriptor);
286
287 // ----------------------------------------------------------------- 262 // -----------------------------------------------------------------
288 263
289 // The name of the executable as invoked (i.e. argv[0]). 264 // The name of the executable as invoked (i.e. argv[0]).
290 string executable_name_; 265 string executable_name_;
291 266
292 // Version info set with SetVersionInfo(). 267 // Version info set with SetVersionInfo().
293 string version_info_; 268 string version_info_;
294 269
295 // Registered generators. 270 // Registered generators.
296 struct GeneratorInfo { 271 struct GeneratorInfo {
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313 288
314 // Maps specific plugin names to files. When executing a plugin, this map 289 // Maps specific plugin names to files. When executing a plugin, this map
315 // is searched first to find the plugin executable. If not found here, the 290 // is searched first to find the plugin executable. If not found here, the
316 // PATH (or other OS-specific search strategy) is searched. 291 // PATH (or other OS-specific search strategy) is searched.
317 map<string, string> plugins_; 292 map<string, string> plugins_;
318 293
319 // Stuff parsed from command line. 294 // Stuff parsed from command line.
320 enum Mode { 295 enum Mode {
321 MODE_COMPILE, // Normal mode: parse .proto files and compile them. 296 MODE_COMPILE, // Normal mode: parse .proto files and compile them.
322 MODE_ENCODE, // --encode: read text from stdin, write binary to stdout. 297 MODE_ENCODE, // --encode: read text from stdin, write binary to stdout.
323 MODE_DECODE, // --decode: read binary from stdin, write text to stdout. 298 MODE_DECODE // --decode: read binary from stdin, write text to stdout.
324 MODE_PRINT, // Print mode: print info of the given .proto files and exit.
325 }; 299 };
326 300
327 Mode mode_; 301 Mode mode_;
328 302
329 enum PrintMode {
330 PRINT_NONE, // Not in MODE_PRINT
331 PRINT_FREE_FIELDS, // --print_free_fields
332 };
333
334 PrintMode print_mode_;
335
336 enum ErrorFormat { 303 enum ErrorFormat {
337 ERROR_FORMAT_GCC, // GCC error output format (default). 304 ERROR_FORMAT_GCC, // GCC error output format (default).
338 ERROR_FORMAT_MSVS // Visual Studio output (--error_format=msvs). 305 ERROR_FORMAT_MSVS // Visual Studio output (--error_format=msvs).
339 }; 306 };
340 307
341 ErrorFormat error_format_; 308 ErrorFormat error_format_;
342 309
343 vector<pair<string, string> > proto_path_; // Search path for proto files. 310 vector<pair<string, string> > proto_path_; // Search path for proto files.
344 vector<string> input_files_; // Names of the input proto files. 311 vector<string> input_files_; // Names of the input proto files.
345 312
346 // output_directives_ lists all the files we are supposed to output and what 313 // output_directives_ lists all the files we are supposed to output and what
347 // generator to use for each. 314 // generator to use for each.
348 struct OutputDirective { 315 struct OutputDirective {
349 string name; // E.g. "--foo_out" 316 string name; // E.g. "--foo_out"
350 CodeGenerator* generator; // NULL for plugins 317 CodeGenerator* generator; // NULL for plugins
351 string parameter; 318 string parameter;
352 string output_location; 319 string output_location;
353 }; 320 };
354 vector<OutputDirective> output_directives_; 321 vector<OutputDirective> output_directives_;
355 322
356 // When using --encode or --decode, this names the type we are encoding or 323 // When using --encode or --decode, this names the type we are encoding or
357 // decoding. (Empty string indicates --decode_raw.) 324 // decoding. (Empty string indicates --decode_raw.)
358 string codec_type_; 325 string codec_type_;
359 326
360 // If --descriptor_set_out was given, this is the filename to which the 327 // If --descriptor_set_out was given, this is the filename to which the
361 // FileDescriptorSet should be written. Otherwise, empty. 328 // FileDescriptorSet should be written. Otherwise, empty.
362 string descriptor_set_name_; 329 string descriptor_set_name_;
363 330
364 // If --dependency_out was given, this is the path to the file where the
365 // dependency file will be written. Otherwise, empty.
366 string dependency_out_name_;
367
368 // True if --include_imports was given, meaning that we should 331 // True if --include_imports was given, meaning that we should
369 // write all transitive dependencies to the DescriptorSet. Otherwise, only 332 // write all transitive dependencies to the DescriptorSet. Otherwise, only
370 // the .proto files listed on the command-line are added. 333 // the .proto files listed on the command-line are added.
371 bool imports_in_descriptor_set_; 334 bool imports_in_descriptor_set_;
372 335
373 // True if --include_source_info was given, meaning that we should not strip 336 // True if --include_source_info was given, meaning that we should not strip
374 // SourceCodeInfo from the DescriptorSet. 337 // SourceCodeInfo from the DescriptorSet.
375 bool source_info_in_descriptor_set_; 338 bool source_info_in_descriptor_set_;
376 339
377 // Was the --disallow_services flag used? 340 // Was the --disallow_services flag used?
378 bool disallow_services_; 341 bool disallow_services_;
379 342
380 // See SetInputsAreProtoPathRelative(). 343 // See SetInputsAreProtoPathRelative().
381 bool inputs_are_proto_path_relative_; 344 bool inputs_are_proto_path_relative_;
382 345
383 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(CommandLineInterface); 346 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(CommandLineInterface);
384 }; 347 };
385 348
386 } // namespace compiler 349 } // namespace compiler
387 } // namespace protobuf 350 } // namespace protobuf
388 351
389 } // namespace google 352 } // namespace google
390 #endif // GOOGLE_PROTOBUF_COMPILER_COMMAND_LINE_INTERFACE_H__ 353 #endif // GOOGLE_PROTOBUF_COMPILER_COMMAND_LINE_INTERFACE_H__
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