Andreas Huber | 1aec397 | 2016-08-26 09:26:32 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 17 | #include "CompoundType.h" |
| 18 | |
| 19 | #include "Formatter.h" |
| 20 | |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 21 | #include <android-base/logging.h> |
| 22 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 23 | namespace android { |
| 24 | |
Andreas Huber | 9ed827c | 2016-08-22 12:31:13 -0700 | [diff] [blame] | 25 | CompoundType::CompoundType(Style style, const char *localName) |
| 26 | : Scope(localName), |
| 27 | mStyle(style), |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 28 | mFields(NULL) { |
| 29 | } |
| 30 | |
Andreas Huber | 0d0f9a2 | 2016-08-17 10:26:11 -0700 | [diff] [blame] | 31 | bool CompoundType::setFields( |
| 32 | std::vector<CompoundField *> *fields, std::string *errorMsg) { |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 33 | mFields = fields; |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 34 | |
| 35 | for (const auto &field : *fields) { |
| 36 | const Type &type = field->type(); |
| 37 | |
Andreas Huber | 295ad30 | 2016-08-16 11:35:00 -0700 | [diff] [blame] | 38 | if (type.isBinder()) { |
Andreas Huber | 0d0f9a2 | 2016-08-17 10:26:11 -0700 | [diff] [blame] | 39 | *errorMsg = |
| 40 | "Structs/Unions must not contain references to interfaces."; |
Andreas Huber | b95ea8a | 2016-08-15 15:35:42 -0700 | [diff] [blame] | 41 | |
| 42 | return false; |
| 43 | } |
| 44 | |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 45 | if (mStyle == STYLE_UNION) { |
| 46 | if (type.needsEmbeddedReadWrite()) { |
| 47 | // Can't have those in a union. |
| 48 | |
Andreas Huber | 0d0f9a2 | 2016-08-17 10:26:11 -0700 | [diff] [blame] | 49 | *errorMsg = |
| 50 | "Unions must not contain any types that need fixup."; |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 51 | |
| 52 | return false; |
| 53 | } |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 54 | } |
| 55 | } |
| 56 | |
| 57 | return true; |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 58 | } |
| 59 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 60 | std::string CompoundType::getCppType( |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame^] | 61 | StorageMode mode, |
| 62 | std::string *extra, |
| 63 | bool specifyNamespaces) const { |
| 64 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 65 | extra->clear(); |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame^] | 66 | const std::string base = |
| 67 | specifyNamespaces ? fullName() : partialCppName(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 68 | |
| 69 | switch (mode) { |
| 70 | case StorageMode_Stack: |
| 71 | return base; |
| 72 | |
| 73 | case StorageMode_Argument: |
| 74 | return "const " + base + "&"; |
| 75 | |
| 76 | case StorageMode_Result: |
| 77 | return "const " + base + "*"; |
| 78 | } |
| 79 | } |
| 80 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 81 | std::string CompoundType::getJavaType() const { |
| 82 | return fullJavaName(); |
| 83 | } |
| 84 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 85 | void CompoundType::emitReaderWriter( |
| 86 | Formatter &out, |
| 87 | const std::string &name, |
| 88 | const std::string &parcelObj, |
| 89 | bool parcelObjIsPointer, |
| 90 | bool isReader, |
| 91 | ErrorMode mode) const { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 92 | const std::string parentName = "_hidl_" + name + "_parent"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 93 | |
| 94 | out << "size_t " << parentName << ";\n\n"; |
| 95 | |
| 96 | const std::string parcelObjDeref = |
| 97 | parcelObj + (parcelObjIsPointer ? "->" : "."); |
| 98 | |
| 99 | if (isReader) { |
| 100 | out << name |
| 101 | << " = (const " |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 102 | << fullName() |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 103 | << " *)" |
| 104 | << parcelObjDeref |
| 105 | << "readBuffer(" |
| 106 | << "&" |
| 107 | << parentName |
| 108 | << ");\n"; |
| 109 | |
| 110 | out << "if (" |
| 111 | << name |
| 112 | << " == nullptr) {\n"; |
| 113 | |
| 114 | out.indent(); |
| 115 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 116 | out << "_hidl_err = ::android::UNKNOWN_ERROR;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 117 | handleError2(out, mode); |
| 118 | |
| 119 | out.unindent(); |
| 120 | out << "}\n\n"; |
| 121 | } else { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 122 | out << "_hidl_err = " |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 123 | << parcelObjDeref |
| 124 | << "writeBuffer(&" |
| 125 | << name |
| 126 | << ", sizeof(" |
| 127 | << name |
| 128 | << "), &" |
| 129 | << parentName |
| 130 | << ");\n"; |
| 131 | |
| 132 | handleError(out, mode); |
| 133 | } |
| 134 | |
| 135 | if (mStyle != STYLE_STRUCT || !needsEmbeddedReadWrite()) { |
| 136 | return; |
| 137 | } |
| 138 | |
| 139 | emitReaderWriterEmbedded( |
| 140 | out, |
| 141 | name, |
| 142 | isReader /* nameIsPointer */, |
| 143 | parcelObj, |
| 144 | parcelObjIsPointer, |
| 145 | isReader, |
| 146 | mode, |
| 147 | parentName, |
| 148 | "0 /* parentOffset */"); |
| 149 | } |
| 150 | |
| 151 | void CompoundType::emitReaderWriterEmbedded( |
| 152 | Formatter &out, |
| 153 | const std::string &name, |
| 154 | bool nameIsPointer, |
| 155 | const std::string &parcelObj, |
| 156 | bool parcelObjIsPointer, |
| 157 | bool isReader, |
| 158 | ErrorMode mode, |
| 159 | const std::string &parentName, |
| 160 | const std::string &offsetText) const { |
| 161 | emitReaderWriterEmbeddedForTypeName( |
| 162 | out, |
| 163 | name, |
| 164 | nameIsPointer, |
| 165 | parcelObj, |
| 166 | parcelObjIsPointer, |
| 167 | isReader, |
| 168 | mode, |
| 169 | parentName, |
| 170 | offsetText, |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 171 | fullName(), |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 172 | "" /* childName */); |
| 173 | } |
| 174 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 175 | void CompoundType::emitJavaReaderWriter( |
| 176 | Formatter &out, |
| 177 | const std::string &parcelObj, |
| 178 | const std::string &argName, |
| 179 | bool isReader) const { |
| 180 | if (isReader) { |
| 181 | out << "new " << fullJavaName() << "();\n"; |
| 182 | } |
| 183 | |
| 184 | out << argName |
| 185 | << "." |
| 186 | << (isReader ? "readFromParcel" : "writeToParcel") |
| 187 | << "(" |
| 188 | << parcelObj |
| 189 | << ");\n"; |
| 190 | } |
| 191 | |
| 192 | void CompoundType::emitJavaFieldInitializer( |
| 193 | Formatter &out, const std::string &fieldName) const { |
| 194 | out << "final " |
| 195 | << fullJavaName() |
| 196 | << " " |
| 197 | << fieldName |
| 198 | << " = new " |
| 199 | << fullJavaName() |
| 200 | << "();\n"; |
| 201 | } |
| 202 | |
| 203 | void CompoundType::emitJavaFieldReaderWriter( |
| 204 | Formatter &out, |
| 205 | const std::string &blobName, |
| 206 | const std::string &fieldName, |
| 207 | const std::string &offset, |
| 208 | bool isReader) const { |
| 209 | if (isReader) { |
| 210 | out << fieldName |
| 211 | << ".readEmbeddedFromParcel(parcel, " |
| 212 | << blobName |
| 213 | << ", " |
| 214 | << offset |
| 215 | << ");\n"; |
| 216 | |
| 217 | return; |
| 218 | } |
| 219 | |
| 220 | out << fieldName |
| 221 | << ".writeEmbeddedToBlob(" |
| 222 | << blobName |
| 223 | << ", " |
| 224 | << offset |
| 225 | << ");\n"; |
| 226 | } |
| 227 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 228 | status_t CompoundType::emitTypeDeclarations(Formatter &out) const { |
| 229 | out << ((mStyle == STYLE_STRUCT) ? "struct" : "union") |
| 230 | << " " |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 231 | << localName() |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 232 | << " {\n"; |
| 233 | |
| 234 | out.indent(); |
| 235 | |
| 236 | Scope::emitTypeDeclarations(out); |
| 237 | |
| 238 | for (const auto &field : *mFields) { |
| 239 | std::string extra; |
| 240 | out << field->type().getCppType(&extra) |
| 241 | << " " |
| 242 | << field->name() |
| 243 | << extra |
| 244 | << ";\n"; |
| 245 | } |
| 246 | |
| 247 | if (needsEmbeddedReadWrite()) { |
| 248 | out << "\n::android::status_t readEmbeddedFromParcel(\n"; |
| 249 | |
| 250 | out.indent(); |
| 251 | out.indent(); |
| 252 | |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 253 | out << "const ::android::hardware::Parcel &parcel,\n" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 254 | << "size_t parentHandle,\n" |
| 255 | << "size_t parentOffset);\n\n"; |
| 256 | |
| 257 | out.unindent(); |
| 258 | out.unindent(); |
| 259 | |
| 260 | out << "::android::status_t writeEmbeddedToParcel(\n"; |
| 261 | |
| 262 | out.indent(); |
| 263 | out.indent(); |
| 264 | |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 265 | out << "::android::hardware::Parcel *parcel,\n" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 266 | << "size_t parentHandle,\n" |
| 267 | << "size_t parentOffset) const;\n"; |
| 268 | |
| 269 | out.unindent(); |
| 270 | out.unindent(); |
| 271 | } |
| 272 | |
| 273 | out.unindent(); |
| 274 | out << "};\n\n"; |
| 275 | |
| 276 | return OK; |
| 277 | } |
| 278 | |
| 279 | status_t CompoundType::emitTypeDefinitions( |
| 280 | Formatter &out, const std::string prefix) const { |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 281 | status_t err = Scope::emitTypeDefinitions(out, prefix + "::" + localName()); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 282 | |
| 283 | if (err != OK) { |
| 284 | return err; |
| 285 | } |
| 286 | |
| 287 | if (!needsEmbeddedReadWrite()) { |
| 288 | return OK; |
| 289 | } |
| 290 | |
| 291 | emitStructReaderWriter(out, prefix, true /* isReader */); |
| 292 | emitStructReaderWriter(out, prefix, false /* isReader */); |
| 293 | |
| 294 | return OK; |
| 295 | } |
| 296 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 297 | status_t CompoundType::emitJavaTypeDeclarations( |
| 298 | Formatter &out, bool atTopLevel) const { |
| 299 | out << "public final "; |
| 300 | |
| 301 | if (!atTopLevel) { |
| 302 | out << "static "; |
| 303 | } |
| 304 | |
| 305 | out << "class " |
| 306 | << localName() |
| 307 | << " {\n"; |
| 308 | |
| 309 | out.indent(); |
| 310 | |
| 311 | Scope::emitJavaTypeDeclarations(out, false /* atTopLevel */); |
| 312 | |
| 313 | for (const auto &field : *mFields) { |
| 314 | const bool isScope = field->type().isScope(); // really isStruct... |
| 315 | |
| 316 | out << "public "; |
| 317 | |
| 318 | field->type().emitJavaFieldInitializer(out, field->name()); |
| 319 | } |
| 320 | |
| 321 | if (!mFields->empty()) { |
| 322 | out << "\n"; |
| 323 | } |
| 324 | |
| 325 | out << "public final void readFromParcel(HwParcel parcel) {\n"; |
| 326 | out.indent(); |
| 327 | out << "HwBlob blob = parcel.readBuffer();\n"; |
| 328 | out << "readEmbeddedFromParcel(parcel, blob, 0 /* parentOffset */);\n"; |
| 329 | out.unindent(); |
| 330 | out << "}\n\n"; |
| 331 | |
| 332 | out << "public final void readEmbeddedFromParcel(\n"; |
| 333 | out.indent(); |
| 334 | out.indent(); |
| 335 | out << "HwParcel parcel, HwBlob _hidl_blob, long _hidl_offset) {\n"; |
| 336 | out.unindent(); |
| 337 | |
| 338 | size_t offset = 0; |
| 339 | for (const auto &field : *mFields) { |
| 340 | size_t fieldAlign, fieldSize; |
| 341 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 342 | |
| 343 | size_t pad = offset % fieldAlign; |
| 344 | if (pad > 0) { |
| 345 | offset += fieldAlign - pad; |
| 346 | } |
| 347 | |
| 348 | field->type().emitJavaFieldReaderWriter( |
| 349 | out, |
| 350 | "_hidl_blob", |
| 351 | field->name(), |
| 352 | "_hidl_offset + " + std::to_string(offset), |
| 353 | true /* isReader */); |
| 354 | |
| 355 | offset += fieldSize; |
| 356 | } |
| 357 | |
| 358 | out.unindent(); |
| 359 | out << "}\n\n"; |
| 360 | |
| 361 | out << "public final void writeToParcel(HwParcel parcel) {\n"; |
| 362 | out.indent(); |
| 363 | |
| 364 | size_t structAlign, structSize; |
| 365 | getAlignmentAndSize(&structAlign, &structSize); |
| 366 | |
| 367 | out << "HwBlob _hidl_blob = new HwBlob(" |
| 368 | << structSize |
| 369 | << " /* size */);\n"; |
| 370 | |
| 371 | out << "writeEmbeddedToBlob(_hidl_blob, 0 /* parentOffset */);\n" |
| 372 | << "parcel.writeBuffer(_hidl_blob);\n"; |
| 373 | |
| 374 | out.unindent(); |
| 375 | out << "}\n\n"; |
| 376 | |
| 377 | out << "public final void writeEmbeddedToBlob(\n"; |
| 378 | out.indent(); |
| 379 | out.indent(); |
| 380 | out << "HwBlob _hidl_blob, long _hidl_offset) {\n"; |
| 381 | out.unindent(); |
| 382 | |
| 383 | offset = 0; |
| 384 | for (const auto &field : *mFields) { |
| 385 | size_t fieldAlign, fieldSize; |
| 386 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 387 | |
| 388 | size_t pad = offset % fieldAlign; |
| 389 | if (pad > 0) { |
| 390 | offset += fieldAlign - pad; |
| 391 | } |
| 392 | |
| 393 | field->type().emitJavaFieldReaderWriter( |
| 394 | out, |
| 395 | "_hidl_blob", |
| 396 | field->name(), |
| 397 | "_hidl_offset + " + std::to_string(offset), |
| 398 | false /* isReader */); |
| 399 | |
| 400 | offset += fieldSize; |
| 401 | } |
| 402 | |
| 403 | out.unindent(); |
| 404 | out << "}\n"; |
| 405 | |
| 406 | out.unindent(); |
| 407 | out << "};\n\n"; |
| 408 | |
| 409 | return OK; |
| 410 | } |
| 411 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 412 | void CompoundType::emitStructReaderWriter( |
| 413 | Formatter &out, const std::string &prefix, bool isReader) const { |
| 414 | out << "::android::status_t " |
| 415 | << (prefix.empty() ? "" : (prefix + "::")) |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 416 | << localName() |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 417 | << (isReader ? "::readEmbeddedFromParcel" |
| 418 | : "::writeEmbeddedToParcel") |
| 419 | << "(\n"; |
| 420 | |
| 421 | out.indent(); |
| 422 | out.indent(); |
| 423 | |
| 424 | if (isReader) { |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 425 | out << "const ::android::hardware::Parcel &parcel,\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 426 | } else { |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 427 | out << "::android::hardware::Parcel *parcel,\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 428 | } |
| 429 | |
| 430 | out << "size_t parentHandle,\n" |
| 431 | << "size_t parentOffset)"; |
| 432 | |
| 433 | if (!isReader) { |
| 434 | out << " const"; |
| 435 | } |
| 436 | |
| 437 | out << " {\n"; |
| 438 | |
| 439 | out.unindent(); |
| 440 | out.unindent(); |
| 441 | out.indent(); |
| 442 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 443 | out << "::android::status_t _hidl_err = ::android::OK;\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 444 | |
| 445 | for (const auto &field : *mFields) { |
| 446 | if (!field->type().needsEmbeddedReadWrite()) { |
| 447 | continue; |
| 448 | } |
| 449 | |
| 450 | field->type().emitReaderWriterEmbedded( |
| 451 | out, |
| 452 | field->name(), |
| 453 | false /* nameIsPointer */, |
| 454 | "parcel", |
| 455 | !isReader /* parcelObjIsPointer */, |
| 456 | isReader, |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 457 | ErrorMode_Return, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 458 | "parentHandle", |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 459 | "parentOffset + offsetof(" |
| 460 | + fullName() |
| 461 | + ", " |
| 462 | + field->name() |
| 463 | + ")"); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 464 | } |
| 465 | |
| 466 | out.unindent(); |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 467 | out << "_hidl_error:\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 468 | out.indent(); |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 469 | out << "return _hidl_err;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 470 | |
| 471 | out.unindent(); |
| 472 | out << "}\n\n"; |
| 473 | } |
| 474 | |
| 475 | bool CompoundType::needsEmbeddedReadWrite() const { |
| 476 | if (mStyle != STYLE_STRUCT) { |
| 477 | return false; |
| 478 | } |
| 479 | |
| 480 | for (const auto &field : *mFields) { |
| 481 | if (field->type().needsEmbeddedReadWrite()) { |
| 482 | return true; |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | return false; |
| 487 | } |
| 488 | |
| 489 | bool CompoundType::resultNeedsDeref() const { |
| 490 | return true; |
| 491 | } |
| 492 | |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 493 | status_t CompoundType::emitVtsTypeDeclarations(Formatter &out) const { |
| 494 | out << "name: \"" << localName() << "\"\n"; |
| 495 | switch (mStyle) { |
| 496 | case STYLE_STRUCT: |
| 497 | { |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 498 | out << "type: TYPE_STRUCT\n"; |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 499 | break; |
| 500 | } |
| 501 | case STYLE_UNION: |
| 502 | { |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 503 | out << "type: TYPE_UNION\n"; |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 504 | break; |
| 505 | } |
| 506 | default: |
| 507 | break; |
| 508 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 509 | |
| 510 | // Emit declaration for each subtype. |
| 511 | for (const auto &type : getSubTypes()) { |
| 512 | switch (mStyle) { |
| 513 | case STYLE_STRUCT: |
| 514 | { |
| 515 | out << "struct_value: {\n"; |
| 516 | break; |
| 517 | } |
| 518 | case STYLE_UNION: |
| 519 | { |
| 520 | out << "union_value: {\n"; |
| 521 | break; |
| 522 | } |
| 523 | default: |
| 524 | break; |
| 525 | } |
| 526 | out.indent(); |
| 527 | status_t status(type->emitVtsTypeDeclarations(out)); |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 528 | if (status != OK) { |
| 529 | return status; |
| 530 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 531 | out.unindent(); |
| 532 | out << "}\n"; |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 533 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 534 | |
| 535 | // Emit declaration for each field. |
| 536 | for (const auto &field : *mFields) { |
| 537 | switch (mStyle) { |
| 538 | case STYLE_STRUCT: |
| 539 | { |
| 540 | out << "struct_value: {\n"; |
| 541 | break; |
| 542 | } |
| 543 | case STYLE_UNION: |
| 544 | { |
| 545 | out << "union_value: {\n"; |
| 546 | break; |
| 547 | } |
| 548 | default: |
| 549 | break; |
| 550 | } |
| 551 | out.indent(); |
| 552 | out << "name: \"" << field->name() << "\"\n"; |
| 553 | status_t status = field->type().emitVtsAttributeType(out); |
| 554 | if (status != OK) { |
| 555 | return status; |
| 556 | } |
| 557 | out.unindent(); |
| 558 | out << "}\n"; |
| 559 | } |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 560 | |
| 561 | return OK; |
| 562 | } |
| 563 | |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 564 | status_t CompoundType::emitVtsAttributeType(Formatter &out) const { |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 565 | switch (mStyle) { |
| 566 | case STYLE_STRUCT: |
| 567 | { |
| 568 | out << "type: TYPE_STRUCT\n"; |
| 569 | break; |
| 570 | } |
| 571 | case STYLE_UNION: |
| 572 | { |
| 573 | out << "type: TYPE_UNION\n"; |
| 574 | break; |
| 575 | } |
| 576 | default: |
| 577 | break; |
| 578 | } |
| 579 | out << "predefined_type: \"" << localName() << "\"\n"; |
| 580 | return OK; |
| 581 | } |
| 582 | |
Andreas Huber | 70a59e1 | 2016-08-16 12:57:01 -0700 | [diff] [blame] | 583 | bool CompoundType::isJavaCompatible() const { |
Andreas Huber | 0fa9e39 | 2016-08-31 09:05:44 -0700 | [diff] [blame] | 584 | if (mStyle != STYLE_STRUCT || !Scope::isJavaCompatible()) { |
| 585 | return false; |
| 586 | } |
| 587 | |
| 588 | for (const auto &field : *mFields) { |
| 589 | if (!field->type().isJavaCompatible()) { |
| 590 | return false; |
| 591 | } |
| 592 | } |
| 593 | |
| 594 | return true; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 595 | } |
| 596 | |
| 597 | void CompoundType::getAlignmentAndSize(size_t *align, size_t *size) const { |
| 598 | *align = 1; |
| 599 | |
| 600 | size_t offset = 0; |
| 601 | for (const auto &field : *mFields) { |
| 602 | // Each field is aligned according to its alignment requirement. |
| 603 | // The surrounding structure's alignment is the maximum of its |
| 604 | // fields' aligments. |
| 605 | |
| 606 | size_t fieldAlign, fieldSize; |
| 607 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 608 | |
| 609 | size_t pad = offset % fieldAlign; |
| 610 | if (pad > 0) { |
| 611 | offset += fieldAlign - pad; |
| 612 | } |
| 613 | |
| 614 | offset += fieldSize; |
| 615 | |
| 616 | if (fieldAlign > (*align)) { |
| 617 | *align = fieldAlign; |
| 618 | } |
| 619 | } |
| 620 | |
| 621 | // Final padding to account for the structure's alignment. |
| 622 | size_t pad = offset % (*align); |
| 623 | if (pad > 0) { |
| 624 | offset += (*align) - pad; |
| 625 | } |
| 626 | |
| 627 | *size = offset; |
Andreas Huber | 70a59e1 | 2016-08-16 12:57:01 -0700 | [diff] [blame] | 628 | } |
| 629 | |
Andreas Huber | 31629bc | 2016-08-03 09:06:40 -0700 | [diff] [blame] | 630 | //////////////////////////////////////////////////////////////////////////////// |
| 631 | |
| 632 | CompoundField::CompoundField(const char *name, Type *type) |
| 633 | : mName(name), |
| 634 | mType(type) { |
| 635 | } |
| 636 | |
| 637 | std::string CompoundField::name() const { |
| 638 | return mName; |
| 639 | } |
| 640 | |
| 641 | const Type &CompoundField::type() const { |
| 642 | return *mType; |
| 643 | } |
| 644 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 645 | } // namespace android |
| 646 | |