temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1 | // Protocol Buffers - Google's data interchange format |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 2 | // Copyright 2008 Google Inc. All rights reserved. |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 3 | // http://code.google.com/p/protobuf/ |
| 4 | // |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 5 | // Redistribution and use in source and binary forms, with or without |
| 6 | // modification, are permitted provided that the following conditions are |
| 7 | // met: |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 8 | // |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 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. |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 18 | // |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 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. |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 30 | |
| 31 | // Author: kenton@google.com (Kenton Varda) |
| 32 | // Based on original Protocol Buffers design by |
| 33 | // Sanjay Ghemawat, Jeff Dean, and others. |
| 34 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 35 | #include <limits> |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 36 | #include <vector> |
| 37 | |
| 38 | #include <google/protobuf/compiler/java/java_helpers.h> |
| 39 | #include <google/protobuf/descriptor.pb.h> |
| 40 | #include <google/protobuf/stubs/strutil.h> |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 41 | #include <google/protobuf/stubs/substitute.h> |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 42 | |
| 43 | namespace google { |
| 44 | namespace protobuf { |
| 45 | namespace compiler { |
| 46 | namespace java { |
| 47 | |
| 48 | const char kThickSeparator[] = |
| 49 | "// ===================================================================\n"; |
| 50 | const char kThinSeparator[] = |
| 51 | "// -------------------------------------------------------------------\n"; |
| 52 | |
| 53 | namespace { |
| 54 | |
| 55 | const char* kDefaultPackage = ""; |
| 56 | |
| 57 | const string& FieldName(const FieldDescriptor* field) { |
| 58 | // Groups are hacky: The name of the field is just the lower-cased name |
| 59 | // of the group type. In Java, though, we would like to retain the original |
| 60 | // capitalization of the type name. |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 61 | if (GetType(field) == FieldDescriptor::TYPE_GROUP) { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 62 | return field->message_type()->name(); |
| 63 | } else { |
| 64 | return field->name(); |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | string UnderscoresToCamelCaseImpl(const string& input, bool cap_next_letter) { |
| 69 | string result; |
| 70 | // Note: I distrust ctype.h due to locales. |
| 71 | for (int i = 0; i < input.size(); i++) { |
| 72 | if ('a' <= input[i] && input[i] <= 'z') { |
| 73 | if (cap_next_letter) { |
| 74 | result += input[i] + ('A' - 'a'); |
| 75 | } else { |
| 76 | result += input[i]; |
| 77 | } |
| 78 | cap_next_letter = false; |
| 79 | } else if ('A' <= input[i] && input[i] <= 'Z') { |
| 80 | if (i == 0 && !cap_next_letter) { |
| 81 | // Force first letter to lower-case unless explicitly told to |
| 82 | // capitalize it. |
| 83 | result += input[i] + ('a' - 'A'); |
| 84 | } else { |
| 85 | // Capital letters after the first are left as-is. |
| 86 | result += input[i]; |
| 87 | } |
| 88 | cap_next_letter = false; |
| 89 | } else if ('0' <= input[i] && input[i] <= '9') { |
| 90 | result += input[i]; |
| 91 | cap_next_letter = true; |
| 92 | } else { |
| 93 | cap_next_letter = true; |
| 94 | } |
| 95 | } |
| 96 | return result; |
| 97 | } |
| 98 | |
| 99 | } // namespace |
| 100 | |
| 101 | string UnderscoresToCamelCase(const FieldDescriptor* field) { |
| 102 | return UnderscoresToCamelCaseImpl(FieldName(field), false); |
| 103 | } |
| 104 | |
| 105 | string UnderscoresToCapitalizedCamelCase(const FieldDescriptor* field) { |
| 106 | return UnderscoresToCamelCaseImpl(FieldName(field), true); |
| 107 | } |
| 108 | |
| 109 | string UnderscoresToCamelCase(const MethodDescriptor* method) { |
| 110 | return UnderscoresToCamelCaseImpl(method->name(), false); |
| 111 | } |
| 112 | |
| 113 | string StripProto(const string& filename) { |
| 114 | if (HasSuffixString(filename, ".protodevel")) { |
| 115 | return StripSuffixString(filename, ".protodevel"); |
| 116 | } else { |
| 117 | return StripSuffixString(filename, ".proto"); |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | string FileClassName(const FileDescriptor* file) { |
| 122 | if (file->options().has_java_outer_classname()) { |
| 123 | return file->options().java_outer_classname(); |
| 124 | } else { |
| 125 | string basename; |
| 126 | string::size_type last_slash = file->name().find_last_of('/'); |
| 127 | if (last_slash == string::npos) { |
| 128 | basename = file->name(); |
| 129 | } else { |
| 130 | basename = file->name().substr(last_slash + 1); |
| 131 | } |
| 132 | return UnderscoresToCamelCaseImpl(StripProto(basename), true); |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | string FileJavaPackage(const FileDescriptor* file) { |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 137 | string result; |
| 138 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 139 | if (file->options().has_java_package()) { |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 140 | result = file->options().java_package(); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 141 | } else { |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 142 | result = kDefaultPackage; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 143 | if (!file->package().empty()) { |
| 144 | if (!result.empty()) result += '.'; |
| 145 | result += file->package(); |
| 146 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 147 | } |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 148 | |
| 149 | |
| 150 | return result; |
| 151 | } |
| 152 | |
| 153 | string JavaPackageToDir(string package_name) { |
| 154 | string package_dir = |
| 155 | StringReplace(package_name, ".", "/", true); |
| 156 | if (!package_dir.empty()) package_dir += "/"; |
| 157 | return package_dir; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 158 | } |
| 159 | |
| 160 | string ToJavaName(const string& full_name, const FileDescriptor* file) { |
| 161 | string result; |
| 162 | if (file->options().java_multiple_files()) { |
| 163 | result = FileJavaPackage(file); |
| 164 | } else { |
| 165 | result = ClassName(file); |
| 166 | } |
| 167 | if (!result.empty()) { |
| 168 | result += '.'; |
| 169 | } |
| 170 | if (file->package().empty()) { |
| 171 | result += full_name; |
| 172 | } else { |
| 173 | // Strip the proto package from full_name since we've replaced it with |
| 174 | // the Java package. |
| 175 | result += full_name.substr(file->package().size() + 1); |
| 176 | } |
| 177 | return result; |
| 178 | } |
| 179 | |
| 180 | string ClassName(const FileDescriptor* descriptor) { |
| 181 | string result = FileJavaPackage(descriptor); |
| 182 | if (!result.empty()) result += '.'; |
| 183 | result += FileClassName(descriptor); |
| 184 | return result; |
| 185 | } |
| 186 | |
kenton@google.com | cfa2d8a | 2009-04-18 00:02:12 +0000 | [diff] [blame] | 187 | string FieldConstantName(const FieldDescriptor *field) { |
| 188 | string name = field->name() + "_FIELD_NUMBER"; |
| 189 | UpperString(&name); |
| 190 | return name; |
| 191 | } |
| 192 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 193 | FieldDescriptor::Type GetType(const FieldDescriptor* field) { |
| 194 | return field->type(); |
| 195 | } |
| 196 | |
| 197 | JavaType GetJavaType(const FieldDescriptor* field) { |
| 198 | switch (GetType(field)) { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 199 | case FieldDescriptor::TYPE_INT32: |
| 200 | case FieldDescriptor::TYPE_UINT32: |
| 201 | case FieldDescriptor::TYPE_SINT32: |
| 202 | case FieldDescriptor::TYPE_FIXED32: |
| 203 | case FieldDescriptor::TYPE_SFIXED32: |
| 204 | return JAVATYPE_INT; |
| 205 | |
| 206 | case FieldDescriptor::TYPE_INT64: |
| 207 | case FieldDescriptor::TYPE_UINT64: |
| 208 | case FieldDescriptor::TYPE_SINT64: |
| 209 | case FieldDescriptor::TYPE_FIXED64: |
| 210 | case FieldDescriptor::TYPE_SFIXED64: |
| 211 | return JAVATYPE_LONG; |
| 212 | |
| 213 | case FieldDescriptor::TYPE_FLOAT: |
| 214 | return JAVATYPE_FLOAT; |
| 215 | |
| 216 | case FieldDescriptor::TYPE_DOUBLE: |
| 217 | return JAVATYPE_DOUBLE; |
| 218 | |
| 219 | case FieldDescriptor::TYPE_BOOL: |
| 220 | return JAVATYPE_BOOLEAN; |
| 221 | |
| 222 | case FieldDescriptor::TYPE_STRING: |
| 223 | return JAVATYPE_STRING; |
| 224 | |
| 225 | case FieldDescriptor::TYPE_BYTES: |
| 226 | return JAVATYPE_BYTES; |
| 227 | |
| 228 | case FieldDescriptor::TYPE_ENUM: |
| 229 | return JAVATYPE_ENUM; |
| 230 | |
| 231 | case FieldDescriptor::TYPE_GROUP: |
| 232 | case FieldDescriptor::TYPE_MESSAGE: |
| 233 | return JAVATYPE_MESSAGE; |
| 234 | |
| 235 | // No default because we want the compiler to complain if any new |
| 236 | // types are added. |
| 237 | } |
| 238 | |
| 239 | GOOGLE_LOG(FATAL) << "Can't get here."; |
| 240 | return JAVATYPE_INT; |
| 241 | } |
| 242 | |
| 243 | const char* BoxedPrimitiveTypeName(JavaType type) { |
| 244 | switch (type) { |
| 245 | case JAVATYPE_INT : return "java.lang.Integer"; |
| 246 | case JAVATYPE_LONG : return "java.lang.Long"; |
| 247 | case JAVATYPE_FLOAT : return "java.lang.Float"; |
| 248 | case JAVATYPE_DOUBLE : return "java.lang.Double"; |
| 249 | case JAVATYPE_BOOLEAN: return "java.lang.Boolean"; |
| 250 | case JAVATYPE_STRING : return "java.lang.String"; |
| 251 | case JAVATYPE_BYTES : return "com.google.protobuf.ByteString"; |
| 252 | case JAVATYPE_ENUM : return NULL; |
| 253 | case JAVATYPE_MESSAGE: return NULL; |
| 254 | |
| 255 | // No default because we want the compiler to complain if any new |
| 256 | // JavaTypes are added. |
| 257 | } |
| 258 | |
| 259 | GOOGLE_LOG(FATAL) << "Can't get here."; |
| 260 | return NULL; |
| 261 | } |
| 262 | |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 263 | bool AllAscii(const string& text) { |
| 264 | for (int i = 0; i < text.size(); i++) { |
| 265 | if ((text[i] & 0x80) != 0) { |
| 266 | return false; |
| 267 | } |
| 268 | } |
| 269 | return true; |
| 270 | } |
| 271 | |
| 272 | string DefaultValue(const FieldDescriptor* field) { |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 273 | // Switch on CppType since we need to know which default_value_* method |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 274 | // of FieldDescriptor to call. |
| 275 | switch (field->cpp_type()) { |
| 276 | case FieldDescriptor::CPPTYPE_INT32: |
| 277 | return SimpleItoa(field->default_value_int32()); |
| 278 | case FieldDescriptor::CPPTYPE_UINT32: |
| 279 | // Need to print as a signed int since Java has no unsigned. |
| 280 | return SimpleItoa(static_cast<int32>(field->default_value_uint32())); |
| 281 | case FieldDescriptor::CPPTYPE_INT64: |
| 282 | return SimpleItoa(field->default_value_int64()) + "L"; |
| 283 | case FieldDescriptor::CPPTYPE_UINT64: |
| 284 | return SimpleItoa(static_cast<int64>(field->default_value_uint64())) + |
| 285 | "L"; |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 286 | case FieldDescriptor::CPPTYPE_DOUBLE: { |
| 287 | double value = field->default_value_double(); |
| 288 | if (value == numeric_limits<double>::infinity()) { |
| 289 | return "Double.POSITIVE_INFINITY"; |
| 290 | } else if (value == -numeric_limits<double>::infinity()) { |
| 291 | return "Double.NEGATIVE_INFINITY"; |
| 292 | } else if (value != value) { |
| 293 | return "Double.NaN"; |
| 294 | } else { |
| 295 | return SimpleDtoa(value) + "D"; |
| 296 | } |
| 297 | } |
| 298 | case FieldDescriptor::CPPTYPE_FLOAT: { |
| 299 | float value = field->default_value_float(); |
| 300 | if (value == numeric_limits<float>::infinity()) { |
| 301 | return "Float.POSITIVE_INFINITY"; |
| 302 | } else if (value == -numeric_limits<float>::infinity()) { |
| 303 | return "Float.NEGATIVE_INFINITY"; |
| 304 | } else if (value != value) { |
| 305 | return "Float.NaN"; |
| 306 | } else { |
| 307 | return SimpleFtoa(value) + "F"; |
| 308 | } |
| 309 | } |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 310 | case FieldDescriptor::CPPTYPE_BOOL: |
| 311 | return field->default_value_bool() ? "true" : "false"; |
| 312 | case FieldDescriptor::CPPTYPE_STRING: |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 313 | if (GetType(field) == FieldDescriptor::TYPE_BYTES) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 314 | if (field->has_default_value()) { |
| 315 | // See comments in Internal.java for gory details. |
| 316 | return strings::Substitute( |
| 317 | "com.google.protobuf.Internal.bytesDefaultValue(\"$0\")", |
| 318 | CEscape(field->default_value_string())); |
| 319 | } else { |
| 320 | return "com.google.protobuf.ByteString.EMPTY"; |
| 321 | } |
| 322 | } else { |
| 323 | if (AllAscii(field->default_value_string())) { |
| 324 | // All chars are ASCII. In this case CEscape() works fine. |
| 325 | return "\"" + CEscape(field->default_value_string()) + "\""; |
| 326 | } else { |
| 327 | // See comments in Internal.java for gory details. |
| 328 | return strings::Substitute( |
| 329 | "com.google.protobuf.Internal.stringDefaultValue(\"$0\")", |
| 330 | CEscape(field->default_value_string())); |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | case FieldDescriptor::CPPTYPE_ENUM: |
| 335 | return ClassName(field->enum_type()) + "." + |
| 336 | field->default_value_enum()->name(); |
| 337 | |
| 338 | case FieldDescriptor::CPPTYPE_MESSAGE: |
| 339 | return ClassName(field->message_type()) + ".getDefaultInstance()"; |
| 340 | |
| 341 | // No default because we want the compiler to complain if any new |
| 342 | // types are added. |
| 343 | } |
| 344 | |
| 345 | GOOGLE_LOG(FATAL) << "Can't get here."; |
| 346 | return ""; |
| 347 | } |
| 348 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 349 | bool IsDefaultValueJavaDefault(const FieldDescriptor* field) { |
| 350 | // Switch on CppType since we need to know which default_value_* method |
| 351 | // of FieldDescriptor to call. |
| 352 | switch (field->cpp_type()) { |
| 353 | case FieldDescriptor::CPPTYPE_INT32: |
| 354 | return field->default_value_int32() == 0; |
| 355 | case FieldDescriptor::CPPTYPE_UINT32: |
| 356 | return field->default_value_uint32() == 0; |
| 357 | case FieldDescriptor::CPPTYPE_INT64: |
| 358 | return field->default_value_int64() == 0L; |
| 359 | case FieldDescriptor::CPPTYPE_UINT64: |
| 360 | return field->default_value_uint64() == 0L; |
| 361 | case FieldDescriptor::CPPTYPE_DOUBLE: |
| 362 | return field->default_value_double() == 0.0; |
| 363 | case FieldDescriptor::CPPTYPE_FLOAT: |
| 364 | return field->default_value_float() == 0.0; |
| 365 | case FieldDescriptor::CPPTYPE_BOOL: |
| 366 | return field->default_value_bool() == false; |
| 367 | |
| 368 | case FieldDescriptor::CPPTYPE_STRING: |
| 369 | case FieldDescriptor::CPPTYPE_ENUM: |
| 370 | case FieldDescriptor::CPPTYPE_MESSAGE: |
| 371 | return false; |
| 372 | |
| 373 | // No default because we want the compiler to complain if any new |
| 374 | // types are added. |
| 375 | } |
| 376 | |
| 377 | GOOGLE_LOG(FATAL) << "Can't get here."; |
| 378 | return false; |
| 379 | } |
| 380 | |
| 381 | const char* bit_masks[] = { |
| 382 | "0x00000001", |
| 383 | "0x00000002", |
| 384 | "0x00000004", |
| 385 | "0x00000008", |
| 386 | "0x00000010", |
| 387 | "0x00000020", |
| 388 | "0x00000040", |
| 389 | "0x00000080", |
| 390 | |
| 391 | "0x00000100", |
| 392 | "0x00000200", |
| 393 | "0x00000400", |
| 394 | "0x00000800", |
| 395 | "0x00001000", |
| 396 | "0x00002000", |
| 397 | "0x00004000", |
| 398 | "0x00008000", |
| 399 | |
| 400 | "0x00010000", |
| 401 | "0x00020000", |
| 402 | "0x00040000", |
| 403 | "0x00080000", |
| 404 | "0x00100000", |
| 405 | "0x00200000", |
| 406 | "0x00400000", |
| 407 | "0x00800000", |
| 408 | |
| 409 | "0x01000000", |
| 410 | "0x02000000", |
| 411 | "0x04000000", |
| 412 | "0x08000000", |
| 413 | "0x10000000", |
| 414 | "0x20000000", |
| 415 | "0x40000000", |
| 416 | "0x80000000", |
| 417 | }; |
| 418 | |
| 419 | string GetBitFieldName(int index) { |
| 420 | string varName = "bitField"; |
| 421 | varName += SimpleItoa(index); |
| 422 | varName += "_"; |
| 423 | return varName; |
| 424 | } |
| 425 | |
| 426 | string GetBitFieldNameForBit(int bitIndex) { |
| 427 | return GetBitFieldName(bitIndex / 32); |
| 428 | } |
| 429 | |
| 430 | string GenerateGetBit(int bitIndex) { |
| 431 | string varName = GetBitFieldNameForBit(bitIndex); |
| 432 | int bitInVarIndex = bitIndex % 32; |
| 433 | |
| 434 | string mask = bit_masks[bitInVarIndex]; |
| 435 | string result = "((" + varName + " & " + mask + ") == " + mask + ")"; |
| 436 | return result; |
| 437 | } |
| 438 | |
| 439 | string GenerateSetBit(int bitIndex) { |
| 440 | string varName = GetBitFieldNameForBit(bitIndex); |
| 441 | int bitInVarIndex = bitIndex % 32; |
| 442 | |
| 443 | string mask = bit_masks[bitInVarIndex]; |
| 444 | string result = varName + " |= " + mask; |
| 445 | return result; |
| 446 | } |
| 447 | |
| 448 | string GenerateClearBit(int bitIndex) { |
| 449 | string varName = GetBitFieldNameForBit(bitIndex); |
| 450 | int bitInVarIndex = bitIndex % 32; |
| 451 | |
| 452 | string mask = bit_masks[bitInVarIndex]; |
| 453 | string result = varName + " = (" + varName + " & ~" + mask + ")"; |
| 454 | return result; |
| 455 | } |
| 456 | |
| 457 | string GenerateGetBitFromLocal(int bitIndex) { |
| 458 | string varName = "from_" + GetBitFieldNameForBit(bitIndex); |
| 459 | int bitInVarIndex = bitIndex % 32; |
| 460 | |
| 461 | string mask = bit_masks[bitInVarIndex]; |
| 462 | string result = "((" + varName + " & " + mask + ") == " + mask + ")"; |
| 463 | return result; |
| 464 | } |
| 465 | |
| 466 | string GenerateSetBitToLocal(int bitIndex) { |
| 467 | string varName = "to_" + GetBitFieldNameForBit(bitIndex); |
| 468 | int bitInVarIndex = bitIndex % 32; |
| 469 | |
| 470 | string mask = bit_masks[bitInVarIndex]; |
| 471 | string result = varName + " |= " + mask; |
| 472 | return result; |
| 473 | } |
| 474 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 475 | } // namespace java |
| 476 | } // namespace compiler |
| 477 | } // namespace protobuf |
| 478 | } // namespace google |