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| 1 // Protocol Buffers - Google's data interchange format | |
| 2 // Copyright 2008 Google Inc. All rights reserved. | |
| 3 // http://code.google.com/p/protobuf/ | |
| 4 // | |
| 5 // Redistribution and use in source and binary forms, with or without | |
| 6 // modification, are permitted provided that the following conditions are | |
| 7 // met: | |
| 8 // | |
| 9 // * Redistributions of source code must retain the above copyright | |
| 10 // notice, this list of conditions and the following disclaimer. | |
| 11 // * Redistributions in binary form must reproduce the above | |
| 12 // copyright notice, this list of conditions and the following disclaimer | |
| 13 // in the documentation and/or other materials provided with the | |
| 14 // distribution. | |
| 15 // * Neither the name of Google Inc. nor the names of its | |
| 16 // contributors may be used to endorse or promote products derived from | |
| 17 // this software without specific prior written permission. | |
| 18 // | |
| 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 30 | |
| 31 // Author: kenton@google.com (Kenton Varda) | |
| 32 // Based on original Protocol Buffers design by | |
| 33 // Sanjay Ghemawat, Jeff Dean, and others. | |
| 34 | |
| 35 #include <map> | |
| 36 #include <string> | |
| 37 | |
| 38 #include <google/protobuf/compiler/java/java_primitive_field.h> | |
| 39 #include <google/protobuf/compiler/java/java_doc_comment.h> | |
| 40 #include <google/protobuf/stubs/common.h> | |
| 41 #include <google/protobuf/compiler/java/java_helpers.h> | |
| 42 #include <google/protobuf/io/printer.h> | |
| 43 #include <google/protobuf/wire_format.h> | |
| 44 #include <google/protobuf/stubs/strutil.h> | |
| 45 | |
| 46 namespace google { | |
| 47 namespace protobuf { | |
| 48 namespace compiler { | |
| 49 namespace java { | |
| 50 | |
| 51 using internal::WireFormat; | |
| 52 using internal::WireFormatLite; | |
| 53 | |
| 54 namespace { | |
| 55 | |
| 56 const char* PrimitiveTypeName(JavaType type) { | |
| 57 switch (type) { | |
| 58 case JAVATYPE_INT : return "int"; | |
| 59 case JAVATYPE_LONG : return "long"; | |
| 60 case JAVATYPE_FLOAT : return "float"; | |
| 61 case JAVATYPE_DOUBLE : return "double"; | |
| 62 case JAVATYPE_BOOLEAN: return "boolean"; | |
| 63 case JAVATYPE_STRING : return "java.lang.String"; | |
| 64 case JAVATYPE_BYTES : return "com.google.protobuf.ByteString"; | |
| 65 case JAVATYPE_ENUM : return NULL; | |
| 66 case JAVATYPE_MESSAGE: return NULL; | |
| 67 | |
| 68 // No default because we want the compiler to complain if any new | |
| 69 // JavaTypes are added. | |
| 70 } | |
| 71 | |
| 72 GOOGLE_LOG(FATAL) << "Can't get here."; | |
| 73 return NULL; | |
| 74 } | |
| 75 | |
| 76 bool IsReferenceType(JavaType type) { | |
| 77 switch (type) { | |
| 78 case JAVATYPE_INT : return false; | |
| 79 case JAVATYPE_LONG : return false; | |
| 80 case JAVATYPE_FLOAT : return false; | |
| 81 case JAVATYPE_DOUBLE : return false; | |
| 82 case JAVATYPE_BOOLEAN: return false; | |
| 83 case JAVATYPE_STRING : return true; | |
| 84 case JAVATYPE_BYTES : return true; | |
| 85 case JAVATYPE_ENUM : return true; | |
| 86 case JAVATYPE_MESSAGE: return true; | |
| 87 | |
| 88 // No default because we want the compiler to complain if any new | |
| 89 // JavaTypes are added. | |
| 90 } | |
| 91 | |
| 92 GOOGLE_LOG(FATAL) << "Can't get here."; | |
| 93 return false; | |
| 94 } | |
| 95 | |
| 96 const char* GetCapitalizedType(const FieldDescriptor* field) { | |
| 97 switch (GetType(field)) { | |
| 98 case FieldDescriptor::TYPE_INT32 : return "Int32" ; | |
| 99 case FieldDescriptor::TYPE_UINT32 : return "UInt32" ; | |
| 100 case FieldDescriptor::TYPE_SINT32 : return "SInt32" ; | |
| 101 case FieldDescriptor::TYPE_FIXED32 : return "Fixed32" ; | |
| 102 case FieldDescriptor::TYPE_SFIXED32: return "SFixed32"; | |
| 103 case FieldDescriptor::TYPE_INT64 : return "Int64" ; | |
| 104 case FieldDescriptor::TYPE_UINT64 : return "UInt64" ; | |
| 105 case FieldDescriptor::TYPE_SINT64 : return "SInt64" ; | |
| 106 case FieldDescriptor::TYPE_FIXED64 : return "Fixed64" ; | |
| 107 case FieldDescriptor::TYPE_SFIXED64: return "SFixed64"; | |
| 108 case FieldDescriptor::TYPE_FLOAT : return "Float" ; | |
| 109 case FieldDescriptor::TYPE_DOUBLE : return "Double" ; | |
| 110 case FieldDescriptor::TYPE_BOOL : return "Bool" ; | |
| 111 case FieldDescriptor::TYPE_STRING : return "String" ; | |
| 112 case FieldDescriptor::TYPE_BYTES : return "Bytes" ; | |
| 113 case FieldDescriptor::TYPE_ENUM : return "Enum" ; | |
| 114 case FieldDescriptor::TYPE_GROUP : return "Group" ; | |
| 115 case FieldDescriptor::TYPE_MESSAGE : return "Message" ; | |
| 116 | |
| 117 // No default because we want the compiler to complain if any new | |
| 118 // types are added. | |
| 119 } | |
| 120 | |
| 121 GOOGLE_LOG(FATAL) << "Can't get here."; | |
| 122 return NULL; | |
| 123 } | |
| 124 | |
| 125 // For encodings with fixed sizes, returns that size in bytes. Otherwise | |
| 126 // returns -1. | |
| 127 int FixedSize(FieldDescriptor::Type type) { | |
| 128 switch (type) { | |
| 129 case FieldDescriptor::TYPE_INT32 : return -1; | |
| 130 case FieldDescriptor::TYPE_INT64 : return -1; | |
| 131 case FieldDescriptor::TYPE_UINT32 : return -1; | |
| 132 case FieldDescriptor::TYPE_UINT64 : return -1; | |
| 133 case FieldDescriptor::TYPE_SINT32 : return -1; | |
| 134 case FieldDescriptor::TYPE_SINT64 : return -1; | |
| 135 case FieldDescriptor::TYPE_FIXED32 : return WireFormatLite::kFixed32Size; | |
| 136 case FieldDescriptor::TYPE_FIXED64 : return WireFormatLite::kFixed64Size; | |
| 137 case FieldDescriptor::TYPE_SFIXED32: return WireFormatLite::kSFixed32Size; | |
| 138 case FieldDescriptor::TYPE_SFIXED64: return WireFormatLite::kSFixed64Size; | |
| 139 case FieldDescriptor::TYPE_FLOAT : return WireFormatLite::kFloatSize; | |
| 140 case FieldDescriptor::TYPE_DOUBLE : return WireFormatLite::kDoubleSize; | |
| 141 | |
| 142 case FieldDescriptor::TYPE_BOOL : return WireFormatLite::kBoolSize; | |
| 143 case FieldDescriptor::TYPE_ENUM : return -1; | |
| 144 | |
| 145 case FieldDescriptor::TYPE_STRING : return -1; | |
| 146 case FieldDescriptor::TYPE_BYTES : return -1; | |
| 147 case FieldDescriptor::TYPE_GROUP : return -1; | |
| 148 case FieldDescriptor::TYPE_MESSAGE : return -1; | |
| 149 | |
| 150 // No default because we want the compiler to complain if any new | |
| 151 // types are added. | |
| 152 } | |
| 153 GOOGLE_LOG(FATAL) << "Can't get here."; | |
| 154 return -1; | |
| 155 } | |
| 156 | |
| 157 void SetPrimitiveVariables(const FieldDescriptor* descriptor, | |
| 158 int messageBitIndex, | |
| 159 int builderBitIndex, | |
| 160 map<string, string>* variables) { | |
| 161 (*variables)["name"] = | |
| 162 UnderscoresToCamelCase(descriptor); | |
| 163 (*variables)["capitalized_name"] = | |
| 164 UnderscoresToCapitalizedCamelCase(descriptor); | |
| 165 (*variables)["constant_name"] = FieldConstantName(descriptor); | |
| 166 (*variables)["number"] = SimpleItoa(descriptor->number()); | |
| 167 (*variables)["type"] = PrimitiveTypeName(GetJavaType(descriptor)); | |
| 168 (*variables)["boxed_type"] = BoxedPrimitiveTypeName(GetJavaType(descriptor)); | |
| 169 (*variables)["field_type"] = (*variables)["type"]; | |
| 170 (*variables)["field_list_type"] = "java.util.List<" + | |
| 171 (*variables)["boxed_type"] + ">"; | |
| 172 (*variables)["empty_list"] = "java.util.Collections.emptyList()"; | |
| 173 (*variables)["default"] = DefaultValue(descriptor); | |
| 174 (*variables)["default_init"] = IsDefaultValueJavaDefault(descriptor) ? | |
| 175 "" : ("= " + DefaultValue(descriptor)); | |
| 176 (*variables)["capitalized_type"] = GetCapitalizedType(descriptor); | |
| 177 (*variables)["tag"] = SimpleItoa(WireFormat::MakeTag(descriptor)); | |
| 178 (*variables)["tag_size"] = SimpleItoa( | |
| 179 WireFormat::TagSize(descriptor->number(), GetType(descriptor))); | |
| 180 if (IsReferenceType(GetJavaType(descriptor))) { | |
| 181 (*variables)["null_check"] = | |
| 182 " if (value == null) {\n" | |
| 183 " throw new NullPointerException();\n" | |
| 184 " }\n"; | |
| 185 } else { | |
| 186 (*variables)["null_check"] = ""; | |
| 187 } | |
| 188 // TODO(birdo): Add @deprecated javadoc when generating javadoc is supported | |
| 189 // by the proto compiler | |
| 190 (*variables)["deprecation"] = descriptor->options().deprecated() | |
| 191 ? "@java.lang.Deprecated " : ""; | |
| 192 int fixed_size = FixedSize(GetType(descriptor)); | |
| 193 if (fixed_size != -1) { | |
| 194 (*variables)["fixed_size"] = SimpleItoa(fixed_size); | |
| 195 } | |
| 196 (*variables)["on_changed"] = | |
| 197 HasDescriptorMethods(descriptor->containing_type()) ? "onChanged();" : ""; | |
| 198 | |
| 199 // For singular messages and builders, one bit is used for the hasField bit. | |
| 200 (*variables)["get_has_field_bit_message"] = GenerateGetBit(messageBitIndex); | |
| 201 (*variables)["set_has_field_bit_message"] = GenerateSetBit(messageBitIndex); | |
| 202 | |
| 203 (*variables)["get_has_field_bit_builder"] = GenerateGetBit(builderBitIndex); | |
| 204 (*variables)["set_has_field_bit_builder"] = GenerateSetBit(builderBitIndex); | |
| 205 (*variables)["clear_has_field_bit_builder"] = | |
| 206 GenerateClearBit(builderBitIndex); | |
| 207 | |
| 208 // For repated builders, one bit is used for whether the array is immutable. | |
| 209 (*variables)["get_mutable_bit_builder"] = GenerateGetBit(builderBitIndex); | |
| 210 (*variables)["set_mutable_bit_builder"] = GenerateSetBit(builderBitIndex); | |
| 211 (*variables)["clear_mutable_bit_builder"] = GenerateClearBit(builderBitIndex); | |
| 212 | |
| 213 // For repeated fields, one bit is used for whether the array is immutable | |
| 214 // in the parsing constructor. | |
| 215 (*variables)["get_mutable_bit_parser"] = | |
| 216 GenerateGetBitMutableLocal(builderBitIndex); | |
| 217 (*variables)["set_mutable_bit_parser"] = | |
| 218 GenerateSetBitMutableLocal(builderBitIndex); | |
| 219 | |
| 220 (*variables)["get_has_field_bit_from_local"] = | |
| 221 GenerateGetBitFromLocal(builderBitIndex); | |
| 222 (*variables)["set_has_field_bit_to_local"] = | |
| 223 GenerateSetBitToLocal(messageBitIndex); | |
| 224 } | |
| 225 | |
| 226 } // namespace | |
| 227 | |
| 228 // =================================================================== | |
| 229 | |
| 230 PrimitiveFieldGenerator:: | |
| 231 PrimitiveFieldGenerator(const FieldDescriptor* descriptor, | |
| 232 int messageBitIndex, | |
| 233 int builderBitIndex) | |
| 234 : descriptor_(descriptor), messageBitIndex_(messageBitIndex), | |
| 235 builderBitIndex_(builderBitIndex) { | |
| 236 SetPrimitiveVariables(descriptor, messageBitIndex, builderBitIndex, | |
| 237 &variables_); | |
| 238 } | |
| 239 | |
| 240 PrimitiveFieldGenerator::~PrimitiveFieldGenerator() {} | |
| 241 | |
| 242 int PrimitiveFieldGenerator::GetNumBitsForMessage() const { | |
| 243 return 1; | |
| 244 } | |
| 245 | |
| 246 int PrimitiveFieldGenerator::GetNumBitsForBuilder() const { | |
| 247 return 1; | |
| 248 } | |
| 249 | |
| 250 void PrimitiveFieldGenerator:: | |
| 251 GenerateInterfaceMembers(io::Printer* printer) const { | |
| 252 WriteFieldDocComment(printer, descriptor_); | |
| 253 printer->Print(variables_, | |
| 254 "$deprecation$boolean has$capitalized_name$();\n"); | |
| 255 WriteFieldDocComment(printer, descriptor_); | |
| 256 printer->Print(variables_, | |
| 257 "$deprecation$$type$ get$capitalized_name$();\n"); | |
| 258 } | |
| 259 | |
| 260 void PrimitiveFieldGenerator:: | |
| 261 GenerateMembers(io::Printer* printer) const { | |
| 262 printer->Print(variables_, | |
| 263 "private $field_type$ $name$_;\n"); | |
| 264 | |
| 265 WriteFieldDocComment(printer, descriptor_); | |
| 266 printer->Print(variables_, | |
| 267 "$deprecation$public boolean has$capitalized_name$() {\n" | |
| 268 " return $get_has_field_bit_message$;\n" | |
| 269 "}\n"); | |
| 270 | |
| 271 WriteFieldDocComment(printer, descriptor_); | |
| 272 printer->Print(variables_, | |
| 273 "$deprecation$public $type$ get$capitalized_name$() {\n" | |
| 274 " return $name$_;\n" | |
| 275 "}\n"); | |
| 276 } | |
| 277 | |
| 278 void PrimitiveFieldGenerator:: | |
| 279 GenerateBuilderMembers(io::Printer* printer) const { | |
| 280 printer->Print(variables_, | |
| 281 "private $field_type$ $name$_ $default_init$;\n"); | |
| 282 | |
| 283 WriteFieldDocComment(printer, descriptor_); | |
| 284 printer->Print(variables_, | |
| 285 "$deprecation$public boolean has$capitalized_name$() {\n" | |
| 286 " return $get_has_field_bit_builder$;\n" | |
| 287 "}\n"); | |
| 288 | |
| 289 WriteFieldDocComment(printer, descriptor_); | |
| 290 printer->Print(variables_, | |
| 291 "$deprecation$public $type$ get$capitalized_name$() {\n" | |
| 292 " return $name$_;\n" | |
| 293 "}\n"); | |
| 294 | |
| 295 WriteFieldDocComment(printer, descriptor_); | |
| 296 printer->Print(variables_, | |
| 297 "$deprecation$public Builder set$capitalized_name$($type$ value) {\n" | |
| 298 "$null_check$" | |
| 299 " $set_has_field_bit_builder$;\n" | |
| 300 " $name$_ = value;\n" | |
| 301 " $on_changed$\n" | |
| 302 " return this;\n" | |
| 303 "}\n"); | |
| 304 | |
| 305 WriteFieldDocComment(printer, descriptor_); | |
| 306 printer->Print(variables_, | |
| 307 "$deprecation$public Builder clear$capitalized_name$() {\n" | |
| 308 " $clear_has_field_bit_builder$;\n"); | |
| 309 JavaType type = GetJavaType(descriptor_); | |
| 310 if (type == JAVATYPE_STRING || type == JAVATYPE_BYTES) { | |
| 311 // The default value is not a simple literal so we want to avoid executing | |
| 312 // it multiple times. Instead, get the default out of the default instance. | |
| 313 printer->Print(variables_, | |
| 314 " $name$_ = getDefaultInstance().get$capitalized_name$();\n"); | |
| 315 } else { | |
| 316 printer->Print(variables_, | |
| 317 " $name$_ = $default$;\n"); | |
| 318 } | |
| 319 printer->Print(variables_, | |
| 320 " $on_changed$\n" | |
| 321 " return this;\n" | |
| 322 "}\n"); | |
| 323 } | |
| 324 | |
| 325 void PrimitiveFieldGenerator:: | |
| 326 GenerateFieldBuilderInitializationCode(io::Printer* printer) const { | |
| 327 // noop for primitives | |
| 328 } | |
| 329 | |
| 330 void PrimitiveFieldGenerator:: | |
| 331 GenerateInitializationCode(io::Printer* printer) const { | |
| 332 printer->Print(variables_, "$name$_ = $default$;\n"); | |
| 333 } | |
| 334 | |
| 335 void PrimitiveFieldGenerator:: | |
| 336 GenerateBuilderClearCode(io::Printer* printer) const { | |
| 337 printer->Print(variables_, | |
| 338 "$name$_ = $default$;\n" | |
| 339 "$clear_has_field_bit_builder$;\n"); | |
| 340 } | |
| 341 | |
| 342 void PrimitiveFieldGenerator:: | |
| 343 GenerateMergingCode(io::Printer* printer) const { | |
| 344 printer->Print(variables_, | |
| 345 "if (other.has$capitalized_name$()) {\n" | |
| 346 " set$capitalized_name$(other.get$capitalized_name$());\n" | |
| 347 "}\n"); | |
| 348 } | |
| 349 | |
| 350 void PrimitiveFieldGenerator:: | |
| 351 GenerateBuildingCode(io::Printer* printer) const { | |
| 352 printer->Print(variables_, | |
| 353 "if ($get_has_field_bit_from_local$) {\n" | |
| 354 " $set_has_field_bit_to_local$;\n" | |
| 355 "}\n" | |
| 356 "result.$name$_ = $name$_;\n"); | |
| 357 } | |
| 358 | |
| 359 void PrimitiveFieldGenerator:: | |
| 360 GenerateParsingCode(io::Printer* printer) const { | |
| 361 printer->Print(variables_, | |
| 362 "$set_has_field_bit_message$;\n" | |
| 363 "$name$_ = input.read$capitalized_type$();\n"); | |
| 364 } | |
| 365 | |
| 366 void PrimitiveFieldGenerator:: | |
| 367 GenerateParsingDoneCode(io::Printer* printer) const { | |
| 368 // noop for primitives. | |
| 369 } | |
| 370 | |
| 371 void PrimitiveFieldGenerator:: | |
| 372 GenerateSerializationCode(io::Printer* printer) const { | |
| 373 printer->Print(variables_, | |
| 374 "if ($get_has_field_bit_message$) {\n" | |
| 375 " output.write$capitalized_type$($number$, $name$_);\n" | |
| 376 "}\n"); | |
| 377 } | |
| 378 | |
| 379 void PrimitiveFieldGenerator:: | |
| 380 GenerateSerializedSizeCode(io::Printer* printer) const { | |
| 381 printer->Print(variables_, | |
| 382 "if ($get_has_field_bit_message$) {\n" | |
| 383 " size += com.google.protobuf.CodedOutputStream\n" | |
| 384 " .compute$capitalized_type$Size($number$, $name$_);\n" | |
| 385 "}\n"); | |
| 386 } | |
| 387 | |
| 388 void PrimitiveFieldGenerator:: | |
| 389 GenerateEqualsCode(io::Printer* printer) const { | |
| 390 switch (GetJavaType(descriptor_)) { | |
| 391 case JAVATYPE_INT: | |
| 392 case JAVATYPE_LONG: | |
| 393 case JAVATYPE_BOOLEAN: | |
| 394 printer->Print(variables_, | |
| 395 "result = result && (get$capitalized_name$()\n" | |
| 396 " == other.get$capitalized_name$());\n"); | |
| 397 break; | |
| 398 | |
| 399 case JAVATYPE_FLOAT: | |
| 400 printer->Print(variables_, | |
| 401 "result = result && (Float.floatToIntBits(get$capitalized_name$())" | |
| 402 " == Float.floatToIntBits(other.get$capitalized_name$()));\n"); | |
| 403 break; | |
| 404 | |
| 405 case JAVATYPE_DOUBLE: | |
| 406 printer->Print(variables_, | |
| 407 "result = result && (Double.doubleToLongBits(get$capitalized_name$())" | |
| 408 " == Double.doubleToLongBits(other.get$capitalized_name$()));\n"); | |
| 409 break; | |
| 410 | |
| 411 case JAVATYPE_STRING: | |
| 412 case JAVATYPE_BYTES: | |
| 413 printer->Print(variables_, | |
| 414 "result = result && get$capitalized_name$()\n" | |
| 415 " .equals(other.get$capitalized_name$());\n"); | |
| 416 break; | |
| 417 | |
| 418 case JAVATYPE_ENUM: | |
| 419 case JAVATYPE_MESSAGE: | |
| 420 default: | |
| 421 GOOGLE_LOG(FATAL) << "Can't get here."; | |
| 422 break; | |
| 423 } | |
| 424 } | |
| 425 | |
| 426 void PrimitiveFieldGenerator:: | |
| 427 GenerateHashCode(io::Printer* printer) const { | |
| 428 printer->Print(variables_, | |
| 429 "hash = (37 * hash) + $constant_name$;\n"); | |
| 430 switch (GetJavaType(descriptor_)) { | |
| 431 case JAVATYPE_INT: | |
| 432 printer->Print(variables_, | |
| 433 "hash = (53 * hash) + get$capitalized_name$();\n"); | |
| 434 break; | |
| 435 | |
| 436 case JAVATYPE_LONG: | |
| 437 printer->Print(variables_, | |
| 438 "hash = (53 * hash) + hashLong(get$capitalized_name$());\n"); | |
| 439 break; | |
| 440 | |
| 441 case JAVATYPE_BOOLEAN: | |
| 442 printer->Print(variables_, | |
| 443 "hash = (53 * hash) + hashBoolean(get$capitalized_name$());\n"); | |
| 444 break; | |
| 445 | |
| 446 case JAVATYPE_FLOAT: | |
| 447 printer->Print(variables_, | |
| 448 "hash = (53 * hash) + Float.floatToIntBits(\n" | |
| 449 " get$capitalized_name$());\n"); | |
| 450 break; | |
| 451 | |
| 452 case JAVATYPE_DOUBLE: | |
| 453 printer->Print(variables_, | |
| 454 "hash = (53 * hash) + hashLong(\n" | |
| 455 " Double.doubleToLongBits(get$capitalized_name$()));\n"); | |
| 456 break; | |
| 457 | |
| 458 case JAVATYPE_STRING: | |
| 459 case JAVATYPE_BYTES: | |
| 460 printer->Print(variables_, | |
| 461 "hash = (53 * hash) + get$capitalized_name$().hashCode();\n"); | |
| 462 break; | |
| 463 | |
| 464 case JAVATYPE_ENUM: | |
| 465 case JAVATYPE_MESSAGE: | |
| 466 default: | |
| 467 GOOGLE_LOG(FATAL) << "Can't get here."; | |
| 468 break; | |
| 469 } | |
| 470 } | |
| 471 | |
| 472 string PrimitiveFieldGenerator::GetBoxedType() const { | |
| 473 return BoxedPrimitiveTypeName(GetJavaType(descriptor_)); | |
| 474 } | |
| 475 | |
| 476 // =================================================================== | |
| 477 | |
| 478 RepeatedPrimitiveFieldGenerator:: | |
| 479 RepeatedPrimitiveFieldGenerator(const FieldDescriptor* descriptor, | |
| 480 int messageBitIndex, | |
| 481 int builderBitIndex) | |
| 482 : descriptor_(descriptor), messageBitIndex_(messageBitIndex), | |
| 483 builderBitIndex_(builderBitIndex) { | |
| 484 SetPrimitiveVariables(descriptor, messageBitIndex, builderBitIndex, | |
| 485 &variables_); | |
| 486 } | |
| 487 | |
| 488 RepeatedPrimitiveFieldGenerator::~RepeatedPrimitiveFieldGenerator() {} | |
| 489 | |
| 490 int RepeatedPrimitiveFieldGenerator::GetNumBitsForMessage() const { | |
| 491 return 0; | |
| 492 } | |
| 493 | |
| 494 int RepeatedPrimitiveFieldGenerator::GetNumBitsForBuilder() const { | |
| 495 return 1; | |
| 496 } | |
| 497 | |
| 498 void RepeatedPrimitiveFieldGenerator:: | |
| 499 GenerateInterfaceMembers(io::Printer* printer) const { | |
| 500 WriteFieldDocComment(printer, descriptor_); | |
| 501 printer->Print(variables_, | |
| 502 "$deprecation$java.util.List<$boxed_type$> get$capitalized_name$List();\n"); | |
| 503 WriteFieldDocComment(printer, descriptor_); | |
| 504 printer->Print(variables_, | |
| 505 "$deprecation$int get$capitalized_name$Count();\n"); | |
| 506 WriteFieldDocComment(printer, descriptor_); | |
| 507 printer->Print(variables_, | |
| 508 "$deprecation$$type$ get$capitalized_name$(int index);\n"); | |
| 509 } | |
| 510 | |
| 511 | |
| 512 void RepeatedPrimitiveFieldGenerator:: | |
| 513 GenerateMembers(io::Printer* printer) const { | |
| 514 printer->Print(variables_, | |
| 515 "private $field_list_type$ $name$_;\n"); | |
| 516 WriteFieldDocComment(printer, descriptor_); | |
| 517 printer->Print(variables_, | |
| 518 "$deprecation$public java.util.List<$boxed_type$>\n" | |
| 519 " get$capitalized_name$List() {\n" | |
| 520 " return $name$_;\n" // note: unmodifiable list | |
| 521 "}\n"); | |
| 522 WriteFieldDocComment(printer, descriptor_); | |
| 523 printer->Print(variables_, | |
| 524 "$deprecation$public int get$capitalized_name$Count() {\n" | |
| 525 " return $name$_.size();\n" | |
| 526 "}\n"); | |
| 527 WriteFieldDocComment(printer, descriptor_); | |
| 528 printer->Print(variables_, | |
| 529 "$deprecation$public $type$ get$capitalized_name$(int index) {\n" | |
| 530 " return $name$_.get(index);\n" | |
| 531 "}\n"); | |
| 532 | |
| 533 if (descriptor_->options().packed() && | |
| 534 HasGeneratedMethods(descriptor_->containing_type())) { | |
| 535 printer->Print(variables_, | |
| 536 "private int $name$MemoizedSerializedSize = -1;\n"); | |
| 537 } | |
| 538 } | |
| 539 | |
| 540 void RepeatedPrimitiveFieldGenerator:: | |
| 541 GenerateBuilderMembers(io::Printer* printer) const { | |
| 542 // One field is the list and the bit field keeps track of whether the | |
| 543 // list is immutable. If it's immutable, the invariant is that it must | |
| 544 // either an instance of Collections.emptyList() or it's an ArrayList | |
| 545 // wrapped in a Collections.unmodifiableList() wrapper and nobody else has | |
| 546 // a refererence to the underlying ArrayList. This invariant allows us to | |
| 547 // share instances of lists between protocol buffers avoiding expensive | |
| 548 // memory allocations. Note, immutable is a strong guarantee here -- not | |
| 549 // just that the list cannot be modified via the reference but that the | |
| 550 // list can never be modified. | |
| 551 printer->Print(variables_, | |
| 552 "private $field_list_type$ $name$_ = $empty_list$;\n"); | |
| 553 | |
| 554 printer->Print(variables_, | |
| 555 "private void ensure$capitalized_name$IsMutable() {\n" | |
| 556 " if (!$get_mutable_bit_builder$) {\n" | |
| 557 " $name$_ = new java.util.ArrayList<$boxed_type$>($name$_);\n" | |
| 558 " $set_mutable_bit_builder$;\n" | |
| 559 " }\n" | |
| 560 "}\n"); | |
| 561 | |
| 562 // Note: We return an unmodifiable list because otherwise the caller | |
| 563 // could hold on to the returned list and modify it after the message | |
| 564 // has been built, thus mutating the message which is supposed to be | |
| 565 // immutable. | |
| 566 WriteFieldDocComment(printer, descriptor_); | |
| 567 printer->Print(variables_, | |
| 568 "$deprecation$public java.util.List<$boxed_type$>\n" | |
| 569 " get$capitalized_name$List() {\n" | |
| 570 " return java.util.Collections.unmodifiableList($name$_);\n" | |
| 571 "}\n"); | |
| 572 WriteFieldDocComment(printer, descriptor_); | |
| 573 printer->Print(variables_, | |
| 574 "$deprecation$public int get$capitalized_name$Count() {\n" | |
| 575 " return $name$_.size();\n" | |
| 576 "}\n"); | |
| 577 WriteFieldDocComment(printer, descriptor_); | |
| 578 printer->Print(variables_, | |
| 579 "$deprecation$public $type$ get$capitalized_name$(int index) {\n" | |
| 580 " return $name$_.get(index);\n" | |
| 581 "}\n"); | |
| 582 WriteFieldDocComment(printer, descriptor_); | |
| 583 printer->Print(variables_, | |
| 584 "$deprecation$public Builder set$capitalized_name$(\n" | |
| 585 " int index, $type$ value) {\n" | |
| 586 "$null_check$" | |
| 587 " ensure$capitalized_name$IsMutable();\n" | |
| 588 " $name$_.set(index, value);\n" | |
| 589 " $on_changed$\n" | |
| 590 " return this;\n" | |
| 591 "}\n"); | |
| 592 WriteFieldDocComment(printer, descriptor_); | |
| 593 printer->Print(variables_, | |
| 594 "$deprecation$public Builder add$capitalized_name$($type$ value) {\n" | |
| 595 "$null_check$" | |
| 596 " ensure$capitalized_name$IsMutable();\n" | |
| 597 " $name$_.add(value);\n" | |
| 598 " $on_changed$\n" | |
| 599 " return this;\n" | |
| 600 "}\n"); | |
| 601 WriteFieldDocComment(printer, descriptor_); | |
| 602 printer->Print(variables_, | |
| 603 "$deprecation$public Builder addAll$capitalized_name$(\n" | |
| 604 " java.lang.Iterable<? extends $boxed_type$> values) {\n" | |
| 605 " ensure$capitalized_name$IsMutable();\n" | |
| 606 " super.addAll(values, $name$_);\n" | |
| 607 " $on_changed$\n" | |
| 608 " return this;\n" | |
| 609 "}\n"); | |
| 610 WriteFieldDocComment(printer, descriptor_); | |
| 611 printer->Print(variables_, | |
| 612 "$deprecation$public Builder clear$capitalized_name$() {\n" | |
| 613 " $name$_ = $empty_list$;\n" | |
| 614 " $clear_mutable_bit_builder$;\n" | |
| 615 " $on_changed$\n" | |
| 616 " return this;\n" | |
| 617 "}\n"); | |
| 618 } | |
| 619 | |
| 620 void RepeatedPrimitiveFieldGenerator:: | |
| 621 GenerateFieldBuilderInitializationCode(io::Printer* printer) const { | |
| 622 // noop for primitives | |
| 623 } | |
| 624 | |
| 625 void RepeatedPrimitiveFieldGenerator:: | |
| 626 GenerateInitializationCode(io::Printer* printer) const { | |
| 627 printer->Print(variables_, "$name$_ = $empty_list$;\n"); | |
| 628 } | |
| 629 | |
| 630 void RepeatedPrimitiveFieldGenerator:: | |
| 631 GenerateBuilderClearCode(io::Printer* printer) const { | |
| 632 printer->Print(variables_, | |
| 633 "$name$_ = $empty_list$;\n" | |
| 634 "$clear_mutable_bit_builder$;\n"); | |
| 635 } | |
| 636 | |
| 637 void RepeatedPrimitiveFieldGenerator:: | |
| 638 GenerateMergingCode(io::Printer* printer) const { | |
| 639 // The code below does two optimizations: | |
| 640 // 1. If the other list is empty, there's nothing to do. This ensures we | |
| 641 // don't allocate a new array if we already have an immutable one. | |
| 642 // 2. If the other list is non-empty and our current list is empty, we can | |
| 643 // reuse the other list which is guaranteed to be immutable. | |
| 644 printer->Print(variables_, | |
| 645 "if (!other.$name$_.isEmpty()) {\n" | |
| 646 " if ($name$_.isEmpty()) {\n" | |
| 647 " $name$_ = other.$name$_;\n" | |
| 648 " $clear_mutable_bit_builder$;\n" | |
| 649 " } else {\n" | |
| 650 " ensure$capitalized_name$IsMutable();\n" | |
| 651 " $name$_.addAll(other.$name$_);\n" | |
| 652 " }\n" | |
| 653 " $on_changed$\n" | |
| 654 "}\n"); | |
| 655 } | |
| 656 | |
| 657 void RepeatedPrimitiveFieldGenerator:: | |
| 658 GenerateBuildingCode(io::Printer* printer) const { | |
| 659 // The code below ensures that the result has an immutable list. If our | |
| 660 // list is immutable, we can just reuse it. If not, we make it immutable. | |
| 661 printer->Print(variables_, | |
| 662 "if ($get_mutable_bit_builder$) {\n" | |
| 663 " $name$_ = java.util.Collections.unmodifiableList($name$_);\n" | |
| 664 " $clear_mutable_bit_builder$;\n" | |
| 665 "}\n" | |
| 666 "result.$name$_ = $name$_;\n"); | |
| 667 } | |
| 668 | |
| 669 void RepeatedPrimitiveFieldGenerator:: | |
| 670 GenerateParsingCode(io::Printer* printer) const { | |
| 671 printer->Print(variables_, | |
| 672 "if (!$get_mutable_bit_parser$) {\n" | |
| 673 " $name$_ = new java.util.ArrayList<$boxed_type$>();\n" | |
| 674 " $set_mutable_bit_parser$;\n" | |
| 675 "}\n" | |
| 676 "$name$_.add(input.read$capitalized_type$());\n"); | |
| 677 } | |
| 678 | |
| 679 void RepeatedPrimitiveFieldGenerator:: | |
| 680 GenerateParsingCodeFromPacked(io::Printer* printer) const { | |
| 681 printer->Print(variables_, | |
| 682 "int length = input.readRawVarint32();\n" | |
| 683 "int limit = input.pushLimit(length);\n" | |
| 684 "if (!$get_mutable_bit_parser$ && input.getBytesUntilLimit() > 0) {\n" | |
| 685 " $name$_ = new java.util.ArrayList<$boxed_type$>();\n" | |
| 686 " $set_mutable_bit_parser$;\n" | |
| 687 "}\n" | |
| 688 "while (input.getBytesUntilLimit() > 0) {\n" | |
| 689 " $name$_.add(input.read$capitalized_type$());\n" | |
| 690 "}\n" | |
| 691 "input.popLimit(limit);\n"); | |
| 692 } | |
| 693 | |
| 694 void RepeatedPrimitiveFieldGenerator:: | |
| 695 GenerateParsingDoneCode(io::Printer* printer) const { | |
| 696 printer->Print(variables_, | |
| 697 "if ($get_mutable_bit_parser$) {\n" | |
| 698 " $name$_ = java.util.Collections.unmodifiableList($name$_);\n" | |
| 699 "}\n"); | |
| 700 } | |
| 701 | |
| 702 void RepeatedPrimitiveFieldGenerator:: | |
| 703 GenerateSerializationCode(io::Printer* printer) const { | |
| 704 if (descriptor_->options().packed()) { | |
| 705 printer->Print(variables_, | |
| 706 "if (get$capitalized_name$List().size() > 0) {\n" | |
| 707 " output.writeRawVarint32($tag$);\n" | |
| 708 " output.writeRawVarint32($name$MemoizedSerializedSize);\n" | |
| 709 "}\n" | |
| 710 "for (int i = 0; i < $name$_.size(); i++) {\n" | |
| 711 " output.write$capitalized_type$NoTag($name$_.get(i));\n" | |
| 712 "}\n"); | |
| 713 } else { | |
| 714 printer->Print(variables_, | |
| 715 "for (int i = 0; i < $name$_.size(); i++) {\n" | |
| 716 " output.write$capitalized_type$($number$, $name$_.get(i));\n" | |
| 717 "}\n"); | |
| 718 } | |
| 719 } | |
| 720 | |
| 721 void RepeatedPrimitiveFieldGenerator:: | |
| 722 GenerateSerializedSizeCode(io::Printer* printer) const { | |
| 723 printer->Print(variables_, | |
| 724 "{\n" | |
| 725 " int dataSize = 0;\n"); | |
| 726 printer->Indent(); | |
| 727 | |
| 728 if (FixedSize(GetType(descriptor_)) == -1) { | |
| 729 printer->Print(variables_, | |
| 730 "for (int i = 0; i < $name$_.size(); i++) {\n" | |
| 731 " dataSize += com.google.protobuf.CodedOutputStream\n" | |
| 732 " .compute$capitalized_type$SizeNoTag($name$_.get(i));\n" | |
| 733 "}\n"); | |
| 734 } else { | |
| 735 printer->Print(variables_, | |
| 736 "dataSize = $fixed_size$ * get$capitalized_name$List().size();\n"); | |
| 737 } | |
| 738 | |
| 739 printer->Print( | |
| 740 "size += dataSize;\n"); | |
| 741 | |
| 742 if (descriptor_->options().packed()) { | |
| 743 printer->Print(variables_, | |
| 744 "if (!get$capitalized_name$List().isEmpty()) {\n" | |
| 745 " size += $tag_size$;\n" | |
| 746 " size += com.google.protobuf.CodedOutputStream\n" | |
| 747 " .computeInt32SizeNoTag(dataSize);\n" | |
| 748 "}\n"); | |
| 749 } else { | |
| 750 printer->Print(variables_, | |
| 751 "size += $tag_size$ * get$capitalized_name$List().size();\n"); | |
| 752 } | |
| 753 | |
| 754 // cache the data size for packed fields. | |
| 755 if (descriptor_->options().packed()) { | |
| 756 printer->Print(variables_, | |
| 757 "$name$MemoizedSerializedSize = dataSize;\n"); | |
| 758 } | |
| 759 | |
| 760 printer->Outdent(); | |
| 761 printer->Print("}\n"); | |
| 762 } | |
| 763 | |
| 764 void RepeatedPrimitiveFieldGenerator:: | |
| 765 GenerateEqualsCode(io::Printer* printer) const { | |
| 766 printer->Print(variables_, | |
| 767 "result = result && get$capitalized_name$List()\n" | |
| 768 " .equals(other.get$capitalized_name$List());\n"); | |
| 769 } | |
| 770 | |
| 771 void RepeatedPrimitiveFieldGenerator:: | |
| 772 GenerateHashCode(io::Printer* printer) const { | |
| 773 printer->Print(variables_, | |
| 774 "if (get$capitalized_name$Count() > 0) {\n" | |
| 775 " hash = (37 * hash) + $constant_name$;\n" | |
| 776 " hash = (53 * hash) + get$capitalized_name$List().hashCode();\n" | |
| 777 "}\n"); | |
| 778 } | |
| 779 | |
| 780 string RepeatedPrimitiveFieldGenerator::GetBoxedType() const { | |
| 781 return BoxedPrimitiveTypeName(GetJavaType(descriptor_)); | |
| 782 } | |
| 783 | |
| 784 } // namespace java | |
| 785 } // namespace compiler | |
| 786 } // namespace protobuf | |
| 787 } // namespace google | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1842653006:
Update //third_party/protobuf to version 3. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master