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 | |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 19 | #include "ArrayType.h" |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 20 | #include "VectorType.h" |
Iliyan Malchev | a72e0d2 | 2016-09-09 11:03:08 -0700 | [diff] [blame] | 21 | #include <hidl-util/Formatter.h> |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 22 | #include <android-base/logging.h> |
| 23 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 24 | namespace android { |
| 25 | |
Yifan Hong | a4b53d0 | 2016-10-31 17:29:10 -0700 | [diff] [blame] | 26 | CompoundType::CompoundType(Style style, const char *localName, const Location &location) |
| 27 | : Scope(localName, location), |
Andreas Huber | 9ed827c | 2016-08-22 12:31:13 -0700 | [diff] [blame] | 28 | mStyle(style), |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 29 | mFields(NULL) { |
| 30 | } |
| 31 | |
Yifan Hong | 27e85db | 2016-11-09 15:45:52 -0800 | [diff] [blame] | 32 | CompoundType::Style CompoundType::style() const { |
| 33 | return mStyle; |
| 34 | } |
| 35 | |
Andreas Huber | 0d0f9a2 | 2016-08-17 10:26:11 -0700 | [diff] [blame] | 36 | bool CompoundType::setFields( |
| 37 | std::vector<CompoundField *> *fields, std::string *errorMsg) { |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 38 | mFields = fields; |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 39 | |
| 40 | for (const auto &field : *fields) { |
| 41 | const Type &type = field->type(); |
| 42 | |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 43 | if (type.isBinder() |
| 44 | || (type.isVector() |
| 45 | && static_cast<const VectorType *>( |
| 46 | &type)->isVectorOfBinders())) { |
Andreas Huber | 0d0f9a2 | 2016-08-17 10:26:11 -0700 | [diff] [blame] | 47 | *errorMsg = |
| 48 | "Structs/Unions must not contain references to interfaces."; |
Andreas Huber | b95ea8a | 2016-08-15 15:35:42 -0700 | [diff] [blame] | 49 | |
| 50 | return false; |
| 51 | } |
| 52 | |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 53 | if (mStyle == STYLE_UNION) { |
| 54 | if (type.needsEmbeddedReadWrite()) { |
| 55 | // Can't have those in a union. |
| 56 | |
Andreas Huber | 0d0f9a2 | 2016-08-17 10:26:11 -0700 | [diff] [blame] | 57 | *errorMsg = |
| 58 | "Unions must not contain any types that need fixup."; |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 59 | |
| 60 | return false; |
| 61 | } |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 62 | } |
| 63 | } |
| 64 | |
| 65 | return true; |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 66 | } |
| 67 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 68 | bool CompoundType::isCompoundType() const { |
| 69 | return true; |
| 70 | } |
| 71 | |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 72 | bool CompoundType::canCheckEquality() const { |
| 73 | if (mStyle == STYLE_UNION) { |
| 74 | return false; |
| 75 | } |
| 76 | for (const auto &field : *mFields) { |
| 77 | if (!field->type().canCheckEquality()) { |
| 78 | return false; |
| 79 | } |
| 80 | } |
| 81 | return true; |
| 82 | } |
| 83 | |
| 84 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 85 | std::string CompoundType::getCppType( |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 86 | StorageMode mode, |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 87 | bool specifyNamespaces) const { |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 88 | const std::string base = |
| 89 | specifyNamespaces ? fullName() : partialCppName(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 90 | |
| 91 | switch (mode) { |
| 92 | case StorageMode_Stack: |
| 93 | return base; |
| 94 | |
| 95 | case StorageMode_Argument: |
| 96 | return "const " + base + "&"; |
| 97 | |
| 98 | case StorageMode_Result: |
| 99 | return "const " + base + "*"; |
| 100 | } |
| 101 | } |
| 102 | |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 103 | std::string CompoundType::getJavaType(bool /* forInitializer */) const { |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 104 | return fullJavaName(); |
| 105 | } |
| 106 | |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 107 | std::string CompoundType::getVtsType() const { |
| 108 | switch (mStyle) { |
| 109 | case STYLE_STRUCT: |
| 110 | { |
| 111 | return "TYPE_STRUCT"; |
| 112 | } |
| 113 | case STYLE_UNION: |
| 114 | { |
| 115 | return "TYPE_UNION"; |
| 116 | } |
| 117 | } |
| 118 | } |
| 119 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 120 | void CompoundType::emitReaderWriter( |
| 121 | Formatter &out, |
| 122 | const std::string &name, |
| 123 | const std::string &parcelObj, |
| 124 | bool parcelObjIsPointer, |
| 125 | bool isReader, |
| 126 | ErrorMode mode) const { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 127 | const std::string parentName = "_hidl_" + name + "_parent"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 128 | |
| 129 | out << "size_t " << parentName << ";\n\n"; |
| 130 | |
| 131 | const std::string parcelObjDeref = |
| 132 | parcelObj + (parcelObjIsPointer ? "->" : "."); |
| 133 | |
| 134 | if (isReader) { |
Martijn Coenen | 6a082c6 | 2017-01-11 12:47:02 +0100 | [diff] [blame] | 135 | out << "_hidl_err = " |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 136 | << parcelObjDeref |
| 137 | << "readBuffer(" |
| 138 | << "&" |
| 139 | << parentName |
Martijn Coenen | 6a082c6 | 2017-01-11 12:47:02 +0100 | [diff] [blame] | 140 | << ", " |
| 141 | << " reinterpret_cast<const void **>(" |
| 142 | << "&" << name |
| 143 | << "));\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 144 | |
Martijn Coenen | 6a082c6 | 2017-01-11 12:47:02 +0100 | [diff] [blame] | 145 | handleError(out, mode); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 146 | } else { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 147 | out << "_hidl_err = " |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 148 | << parcelObjDeref |
| 149 | << "writeBuffer(&" |
| 150 | << name |
| 151 | << ", sizeof(" |
| 152 | << name |
| 153 | << "), &" |
| 154 | << parentName |
| 155 | << ");\n"; |
| 156 | |
| 157 | handleError(out, mode); |
| 158 | } |
| 159 | |
| 160 | if (mStyle != STYLE_STRUCT || !needsEmbeddedReadWrite()) { |
| 161 | return; |
| 162 | } |
| 163 | |
| 164 | emitReaderWriterEmbedded( |
| 165 | out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 166 | 0 /* depth */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 167 | name, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 168 | name, /* sanitizedName */ |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 169 | isReader /* nameIsPointer */, |
| 170 | parcelObj, |
| 171 | parcelObjIsPointer, |
| 172 | isReader, |
| 173 | mode, |
| 174 | parentName, |
| 175 | "0 /* parentOffset */"); |
| 176 | } |
| 177 | |
| 178 | void CompoundType::emitReaderWriterEmbedded( |
| 179 | Formatter &out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 180 | size_t /* depth */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 181 | const std::string &name, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 182 | const std::string & /*sanitizedName */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 183 | bool nameIsPointer, |
| 184 | const std::string &parcelObj, |
| 185 | bool parcelObjIsPointer, |
| 186 | bool isReader, |
| 187 | ErrorMode mode, |
| 188 | const std::string &parentName, |
| 189 | const std::string &offsetText) const { |
| 190 | emitReaderWriterEmbeddedForTypeName( |
| 191 | out, |
| 192 | name, |
| 193 | nameIsPointer, |
| 194 | parcelObj, |
| 195 | parcelObjIsPointer, |
| 196 | isReader, |
| 197 | mode, |
| 198 | parentName, |
| 199 | offsetText, |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 200 | fullName(), |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 201 | "" /* childName */, |
| 202 | "" /* namespace */); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 203 | } |
| 204 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 205 | void CompoundType::emitJavaReaderWriter( |
| 206 | Formatter &out, |
| 207 | const std::string &parcelObj, |
| 208 | const std::string &argName, |
| 209 | bool isReader) const { |
| 210 | if (isReader) { |
| 211 | out << "new " << fullJavaName() << "();\n"; |
| 212 | } |
| 213 | |
| 214 | out << argName |
| 215 | << "." |
| 216 | << (isReader ? "readFromParcel" : "writeToParcel") |
| 217 | << "(" |
| 218 | << parcelObj |
| 219 | << ");\n"; |
| 220 | } |
| 221 | |
| 222 | void CompoundType::emitJavaFieldInitializer( |
| 223 | Formatter &out, const std::string &fieldName) const { |
| 224 | out << "final " |
| 225 | << fullJavaName() |
| 226 | << " " |
| 227 | << fieldName |
| 228 | << " = new " |
| 229 | << fullJavaName() |
| 230 | << "();\n"; |
| 231 | } |
| 232 | |
| 233 | void CompoundType::emitJavaFieldReaderWriter( |
| 234 | Formatter &out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 235 | size_t /* depth */, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 236 | const std::string &parcelName, |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 237 | const std::string &blobName, |
| 238 | const std::string &fieldName, |
| 239 | const std::string &offset, |
| 240 | bool isReader) const { |
| 241 | if (isReader) { |
| 242 | out << fieldName |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 243 | << ".readEmbeddedFromParcel(" |
| 244 | << parcelName |
| 245 | << ", " |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 246 | << blobName |
| 247 | << ", " |
| 248 | << offset |
| 249 | << ");\n"; |
| 250 | |
| 251 | return; |
| 252 | } |
| 253 | |
| 254 | out << fieldName |
| 255 | << ".writeEmbeddedToBlob(" |
| 256 | << blobName |
| 257 | << ", " |
| 258 | << offset |
| 259 | << ");\n"; |
| 260 | } |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 261 | void CompoundType::emitResolveReferences( |
| 262 | Formatter &out, |
| 263 | const std::string &name, |
| 264 | bool nameIsPointer, |
| 265 | const std::string &parcelObj, |
| 266 | bool parcelObjIsPointer, |
| 267 | bool isReader, |
| 268 | ErrorMode mode) const { |
| 269 | emitResolveReferencesEmbedded( |
| 270 | out, |
| 271 | 0 /* depth */, |
| 272 | name, |
| 273 | name /* sanitizedName */, |
| 274 | nameIsPointer, |
| 275 | parcelObj, |
| 276 | parcelObjIsPointer, |
| 277 | isReader, |
| 278 | mode, |
| 279 | "_hidl_" + name + "_parent", |
| 280 | "0 /* parentOffset */"); |
| 281 | } |
| 282 | |
| 283 | void CompoundType::emitResolveReferencesEmbedded( |
| 284 | Formatter &out, |
| 285 | size_t /* depth */, |
| 286 | const std::string &name, |
| 287 | const std::string &/* sanitizedName */, |
| 288 | bool nameIsPointer, |
| 289 | const std::string &parcelObj, |
| 290 | bool parcelObjIsPointer, |
| 291 | bool isReader, |
| 292 | ErrorMode mode, |
| 293 | const std::string &parentName, |
| 294 | const std::string &offsetText) const { |
| 295 | CHECK(needsResolveReferences()); |
| 296 | |
| 297 | const std::string parcelObjDeref = |
| 298 | parcelObjIsPointer ? ("*" + parcelObj) : parcelObj; |
| 299 | |
| 300 | const std::string parcelObjPointer = |
| 301 | parcelObjIsPointer ? parcelObj : ("&" + parcelObj); |
| 302 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 303 | const std::string nameDerefed = nameIsPointer ? ("*" + name) : name; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 304 | const std::string namePointer = nameIsPointer ? name : ("&" + name); |
| 305 | |
| 306 | out << "_hidl_err = "; |
| 307 | |
| 308 | if (isReader) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 309 | out << "readEmbeddedReferenceFromParcel(\n"; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 310 | } else { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 311 | out << "writeEmbeddedReferenceToParcel(\n"; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 312 | } |
| 313 | |
Yifan Hong | 33223ca | 2016-12-13 15:07:35 -0800 | [diff] [blame] | 314 | out.indent(2, [&]{ |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 315 | if (isReader) { |
| 316 | out << "const_cast<" |
| 317 | << fullName() |
| 318 | << " *" |
| 319 | << ">(" |
| 320 | << namePointer |
| 321 | << "),\n" |
| 322 | << parcelObjDeref; |
| 323 | } else { |
| 324 | out << nameDerefed |
| 325 | << ",\n" |
| 326 | << parcelObjPointer; |
| 327 | } |
| 328 | |
| 329 | out << ",\n" |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 330 | << parentName |
| 331 | << ",\n" |
| 332 | << offsetText |
| 333 | << ");\n\n"; |
| 334 | }); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 335 | |
| 336 | handleError(out, mode); |
| 337 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 338 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 339 | status_t CompoundType::emitTypeDeclarations(Formatter &out) const { |
| 340 | out << ((mStyle == STYLE_STRUCT) ? "struct" : "union") |
| 341 | << " " |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 342 | << localName() |
Yifan Hong | b1d2ebc | 2016-12-20 17:18:07 -0800 | [diff] [blame] | 343 | << " final {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 344 | |
| 345 | out.indent(); |
| 346 | |
| 347 | Scope::emitTypeDeclarations(out); |
| 348 | |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 349 | if (!isJavaCompatible()) { |
| 350 | for (const auto &field : *mFields) { |
| 351 | out << field->type().getCppStackType() |
| 352 | << " " |
| 353 | << field->name() |
| 354 | << ";\n"; |
| 355 | } |
| 356 | |
| 357 | out.unindent(); |
| 358 | out << "};\n\n"; |
| 359 | |
| 360 | return OK; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 361 | } |
| 362 | |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 363 | for (int pass = 0; pass < 2; ++pass) { |
| 364 | size_t offset = 0; |
| 365 | for (const auto &field : *mFields) { |
| 366 | size_t fieldAlign, fieldSize; |
| 367 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 368 | |
| 369 | size_t pad = offset % fieldAlign; |
| 370 | if (pad > 0) { |
| 371 | offset += fieldAlign - pad; |
| 372 | } |
| 373 | |
| 374 | if (pass == 0) { |
| 375 | out << field->type().getCppStackType() |
| 376 | << " " |
| 377 | << field->name() |
| 378 | << " __attribute__ ((aligned(" |
| 379 | << fieldAlign |
| 380 | << ")));\n"; |
| 381 | } else { |
| 382 | out << "static_assert(offsetof(" |
| 383 | << fullName() |
| 384 | << ", " |
| 385 | << field->name() |
| 386 | << ") == " |
| 387 | << offset |
| 388 | << ", \"wrong offset\");\n"; |
| 389 | } |
| 390 | |
| 391 | offset += fieldSize; |
| 392 | } |
| 393 | |
| 394 | if (pass == 0) { |
| 395 | out.unindent(); |
| 396 | out << "};\n\n"; |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | size_t structAlign, structSize; |
| 401 | getAlignmentAndSize(&structAlign, &structSize); |
| 402 | |
| 403 | out << "static_assert(sizeof(" |
| 404 | << fullName() |
| 405 | << ") == " |
| 406 | << structSize |
| 407 | << ", \"wrong size\");\n"; |
| 408 | |
| 409 | out << "static_assert(__alignof(" |
| 410 | << fullName() |
| 411 | << ") == " |
| 412 | << structAlign |
| 413 | << ", \"wrong alignment\");\n\n"; |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 414 | |
| 415 | return OK; |
| 416 | } |
| 417 | |
| 418 | |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 419 | status_t CompoundType::emitGlobalTypeDeclarations(Formatter &out) const { |
| 420 | Scope::emitGlobalTypeDeclarations(out); |
| 421 | |
Yifan Hong | f5cc2f7 | 2017-01-04 18:02:34 -0800 | [diff] [blame] | 422 | out << "std::string toString(" |
| 423 | << getCppArgumentType() |
| 424 | << ");\n"; |
| 425 | |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 426 | if (!canCheckEquality()) { |
| 427 | return OK; |
| 428 | } |
| 429 | |
| 430 | out << "inline bool operator==(" |
| 431 | << getCppArgumentType() << " " << (mFields->empty() ? "/* lhs */" : "lhs") << ", " |
| 432 | << getCppArgumentType() << " " << (mFields->empty() ? "/* rhs */" : "rhs") << ") "; |
| 433 | out.block([&] { |
| 434 | for (const auto &field : *mFields) { |
| 435 | out.sIf("lhs." + field->name() + " != rhs." + field->name(), [&] { |
| 436 | out << "return false;\n"; |
| 437 | }).endl(); |
| 438 | } |
| 439 | out << "return true;\n"; |
| 440 | }).endl().endl(); |
| 441 | |
| 442 | out << "inline bool operator!=(" |
| 443 | << getCppArgumentType() << " lhs," << getCppArgumentType() << " rhs)"; |
| 444 | out.block([&] { |
| 445 | out << "return !(lhs == rhs);\n"; |
| 446 | }).endl().endl(); |
| 447 | |
| 448 | return OK; |
| 449 | } |
| 450 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 451 | status_t CompoundType::emitGlobalHwDeclarations(Formatter &out) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 452 | if (needsEmbeddedReadWrite()) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 453 | out << "::android::status_t readEmbeddedFromParcel(\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 454 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 455 | out.indent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 456 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 457 | out << fullName() << " *obj,\n" |
| 458 | << "const ::android::hardware::Parcel &parcel,\n" |
| 459 | << "size_t parentHandle,\n" |
| 460 | << "size_t parentOffset);\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 461 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 462 | out.unindent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 463 | |
| 464 | out << "::android::status_t writeEmbeddedToParcel(\n"; |
| 465 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 466 | out.indent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 467 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 468 | out << "const " << fullName() << " &obj,\n" |
| 469 | << "::android::hardware::Parcel *parcel,\n" |
| 470 | << "size_t parentHandle,\n" |
| 471 | << "size_t parentOffset);\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 472 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 473 | out.unindent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 474 | } |
| 475 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 476 | if(needsResolveReferences()) { |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 477 | out << "::android::status_t readEmbeddedReferenceFromParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 478 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 479 | out << fullName() << " *obj,\n" |
| 480 | << "const ::android::hardware::Parcel &parcel,\n" |
| 481 | << "size_t parentHandle, size_t parentOffset);\n\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 482 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 483 | out << "::android::status_t writeEmbeddedReferenceToParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 484 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 485 | out << "const " << fullName() << " &obj,\n" |
| 486 | << "::android::hardware::Parcel *,\n" |
| 487 | << "size_t parentHandle, size_t parentOffset);\n\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 488 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 489 | } |
| 490 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 491 | return OK; |
| 492 | } |
| 493 | |
| 494 | status_t CompoundType::emitTypeDefinitions( |
| 495 | Formatter &out, const std::string prefix) const { |
Steven Moreland | b158de1 | 2016-10-10 11:59:09 -0700 | [diff] [blame] | 496 | std::string space = prefix.empty() ? "" : (prefix + "::"); |
| 497 | status_t err = Scope::emitTypeDefinitions(out, space + localName()); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 498 | |
| 499 | if (err != OK) { |
| 500 | return err; |
| 501 | } |
| 502 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 503 | if (needsEmbeddedReadWrite()) { |
| 504 | emitStructReaderWriter(out, prefix, true /* isReader */); |
| 505 | emitStructReaderWriter(out, prefix, false /* isReader */); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 506 | } |
| 507 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 508 | if (needsResolveReferences()) { |
| 509 | emitResolveReferenceDef(out, prefix, true /* isReader */); |
| 510 | emitResolveReferenceDef(out, prefix, false /* isReader */); |
| 511 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 512 | |
Yifan Hong | f5cc2f7 | 2017-01-04 18:02:34 -0800 | [diff] [blame] | 513 | out << "std::string toString(" |
| 514 | << getCppArgumentType() |
| 515 | << (mFields->empty() ? "" : " o") |
| 516 | << ") "; |
| 517 | |
| 518 | out.block([&] { |
| 519 | // include toString for scalar types |
| 520 | out << "using ::android::hardware::details::toString;\n" |
| 521 | << "std::string os;\n"; |
| 522 | out << "os += \"{\";\n"; |
| 523 | |
| 524 | for (const CompoundField *field : *mFields) { |
| 525 | out << "os += \""; |
| 526 | if (field != *(mFields->begin())) { |
| 527 | out << ", "; |
| 528 | } |
| 529 | out << "." << field->name() << " = \";\n"; |
| 530 | field->type().emitDump(out, "os", "o." + field->name()); |
| 531 | } |
| 532 | |
| 533 | out << "os += \"}\"; return os;\n"; |
| 534 | }).endl().endl(); |
| 535 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 536 | return OK; |
| 537 | } |
| 538 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 539 | status_t CompoundType::emitJavaTypeDeclarations( |
| 540 | Formatter &out, bool atTopLevel) const { |
| 541 | out << "public final "; |
| 542 | |
| 543 | if (!atTopLevel) { |
| 544 | out << "static "; |
| 545 | } |
| 546 | |
| 547 | out << "class " |
| 548 | << localName() |
| 549 | << " {\n"; |
| 550 | |
| 551 | out.indent(); |
| 552 | |
| 553 | Scope::emitJavaTypeDeclarations(out, false /* atTopLevel */); |
| 554 | |
| 555 | for (const auto &field : *mFields) { |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 556 | out << "public "; |
| 557 | |
| 558 | field->type().emitJavaFieldInitializer(out, field->name()); |
| 559 | } |
| 560 | |
| 561 | if (!mFields->empty()) { |
| 562 | out << "\n"; |
| 563 | } |
| 564 | |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 565 | //////////////////////////////////////////////////////////////////////////// |
| 566 | |
| 567 | if (canCheckEquality()) { |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 568 | out << "@Override\npublic final boolean equals(Object otherObject) "; |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 569 | out.block([&] { |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 570 | out.sIf("this == otherObject", [&] { |
| 571 | out << "return true;\n"; |
| 572 | }).endl(); |
| 573 | out.sIf("otherObject == null", [&] { |
| 574 | out << "return false;\n"; |
| 575 | }).endl(); |
| 576 | // Class is final, so we only need to check instanceof, not getClass |
| 577 | out.sIf("!(otherObject instanceof " + fullJavaName() + ")", [&] { |
| 578 | out << "return false;\n"; |
| 579 | }).endl(); |
| 580 | out << fullJavaName() << " other = (" << fullJavaName() << ")otherObject;\n"; |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 581 | for (const auto &field : *mFields) { |
| 582 | std::string condition = field->type().isScalar() |
| 583 | ? "this." + field->name() + " != other." + field->name() |
| 584 | : ("!java.util.Objects.deepEquals(this." + field->name() |
| 585 | + ", other." + field->name() + ")"); |
| 586 | out.sIf(condition, [&] { |
| 587 | out << "return false;\n"; |
| 588 | }).endl(); |
| 589 | } |
| 590 | out << "return true;\n"; |
| 591 | }).endl().endl(); |
| 592 | |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 593 | out << "@Override\npublic final int hashCode() "; |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 594 | out.block([&] { |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 595 | out << "return java.util.Objects.hash(\n"; |
| 596 | out.indent(2, [&] { |
| 597 | bool first = true; |
| 598 | for (const auto &field : *mFields) { |
| 599 | if (!first) { |
| 600 | out << ", \n"; |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 601 | } |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 602 | first = false; |
| 603 | if (field->type().isArray()) { |
| 604 | const ArrayType &type = static_cast<const ArrayType &>(field->type()); |
| 605 | if (type.countDimensions() == 1 && |
| 606 | type.getElementType()->resolveToScalarType() != nullptr) { |
| 607 | out << "java.util.Arrays.hashCode(this." << field->name() << ")"; |
| 608 | } else { |
| 609 | out << "java.util.Arrays.deepHashCode(this." << field->name() << ")"; |
| 610 | } |
| 611 | } else { |
| 612 | out << "this." << field->name(); |
| 613 | } |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 614 | } |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 615 | }); |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 616 | out << ");\n"; |
| 617 | }).endl().endl(); |
| 618 | } |
| 619 | |
| 620 | //////////////////////////////////////////////////////////////////////////// |
| 621 | |
Yifan Hong | e45b530 | 2017-02-22 10:49:07 -0800 | [diff] [blame] | 622 | out << "@Override\npublic final String toString() "; |
| 623 | out.block([&] { |
| 624 | out << "java.lang.StringBuilder builder = new java.lang.StringBuilder();\n" |
| 625 | << "builder.append(\"{\");\n"; |
| 626 | for (const auto &field : *mFields) { |
| 627 | out << "builder.append(\""; |
| 628 | if (field != *(mFields->begin())) { |
| 629 | out << ", "; |
| 630 | } |
| 631 | out << "." << field->name() << " = \");\n"; |
| 632 | field->type().emitJavaDump(out, "builder", "this." + field->name()); |
| 633 | } |
| 634 | out << "builder.append(\"}\");\nreturn builder.toString();\n"; |
| 635 | }).endl().endl(); |
| 636 | |
| 637 | //////////////////////////////////////////////////////////////////////////// |
| 638 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 639 | out << "public final void readFromParcel(android.os.HwParcel parcel) {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 640 | out.indent(); |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 641 | out << "android.os.HwBlob blob = parcel.readBuffer();\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 642 | out << "readEmbeddedFromParcel(parcel, blob, 0 /* parentOffset */);\n"; |
| 643 | out.unindent(); |
| 644 | out << "}\n\n"; |
| 645 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 646 | //////////////////////////////////////////////////////////////////////////// |
| 647 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 648 | out << "public static final java.util.ArrayList<" |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 649 | << localName() |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 650 | << "> readVectorFromParcel(android.os.HwParcel parcel) {\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 651 | out.indent(); |
| 652 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 653 | out << "java.util.ArrayList<" |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 654 | << localName() |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 655 | << "> _hidl_vec = new java.util.ArrayList();\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 656 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 657 | out << "android.os.HwBlob _hidl_blob = parcel.readBuffer();\n\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 658 | |
| 659 | VectorType::EmitJavaFieldReaderWriterForElementType( |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 660 | out, |
| 661 | 0 /* depth */, |
| 662 | this, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 663 | "parcel", |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 664 | "_hidl_blob", |
| 665 | "_hidl_vec", |
| 666 | "0", |
| 667 | true /* isReader */); |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 668 | |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 669 | out << "\nreturn _hidl_vec;\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 670 | |
| 671 | out.unindent(); |
| 672 | out << "}\n\n"; |
| 673 | |
| 674 | //////////////////////////////////////////////////////////////////////////// |
| 675 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 676 | out << "public final void readEmbeddedFromParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 677 | out.indent(2); |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 678 | out << "android.os.HwParcel parcel, android.os.HwBlob _hidl_blob, long _hidl_offset) {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 679 | out.unindent(); |
| 680 | |
| 681 | size_t offset = 0; |
| 682 | for (const auto &field : *mFields) { |
| 683 | size_t fieldAlign, fieldSize; |
| 684 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 685 | |
| 686 | size_t pad = offset % fieldAlign; |
| 687 | if (pad > 0) { |
| 688 | offset += fieldAlign - pad; |
| 689 | } |
| 690 | |
| 691 | field->type().emitJavaFieldReaderWriter( |
| 692 | out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 693 | 0 /* depth */, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 694 | "parcel", |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 695 | "_hidl_blob", |
| 696 | field->name(), |
| 697 | "_hidl_offset + " + std::to_string(offset), |
| 698 | true /* isReader */); |
| 699 | |
| 700 | offset += fieldSize; |
| 701 | } |
| 702 | |
| 703 | out.unindent(); |
| 704 | out << "}\n\n"; |
| 705 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 706 | //////////////////////////////////////////////////////////////////////////// |
| 707 | |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 708 | size_t structAlign, structSize; |
| 709 | getAlignmentAndSize(&structAlign, &structSize); |
| 710 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 711 | out << "public final void writeToParcel(android.os.HwParcel parcel) {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 712 | out.indent(); |
| 713 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 714 | out << "android.os.HwBlob _hidl_blob = new android.os.HwBlob(" |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 715 | << structSize |
| 716 | << " /* size */);\n"; |
| 717 | |
| 718 | out << "writeEmbeddedToBlob(_hidl_blob, 0 /* parentOffset */);\n" |
| 719 | << "parcel.writeBuffer(_hidl_blob);\n"; |
| 720 | |
| 721 | out.unindent(); |
| 722 | out << "}\n\n"; |
| 723 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 724 | //////////////////////////////////////////////////////////////////////////// |
| 725 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 726 | out << "public static final void writeVectorToParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 727 | out.indent(2); |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 728 | out << "android.os.HwParcel parcel, java.util.ArrayList<" |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 729 | << localName() |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 730 | << "> _hidl_vec) {\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 731 | out.unindent(); |
| 732 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 733 | out << "android.os.HwBlob _hidl_blob = new android.os.HwBlob(24 /* sizeof(hidl_vec<T>) */);\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 734 | |
| 735 | VectorType::EmitJavaFieldReaderWriterForElementType( |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 736 | out, |
| 737 | 0 /* depth */, |
| 738 | this, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 739 | "parcel", |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 740 | "_hidl_blob", |
| 741 | "_hidl_vec", |
| 742 | "0", |
| 743 | false /* isReader */); |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 744 | |
| 745 | out << "\nparcel.writeBuffer(_hidl_blob);\n"; |
| 746 | |
| 747 | out.unindent(); |
| 748 | out << "}\n\n"; |
| 749 | |
| 750 | //////////////////////////////////////////////////////////////////////////// |
| 751 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 752 | out << "public final void writeEmbeddedToBlob(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 753 | out.indent(2); |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 754 | out << "android.os.HwBlob _hidl_blob, long _hidl_offset) {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 755 | out.unindent(); |
| 756 | |
| 757 | offset = 0; |
| 758 | for (const auto &field : *mFields) { |
| 759 | size_t fieldAlign, fieldSize; |
| 760 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 761 | |
| 762 | size_t pad = offset % fieldAlign; |
| 763 | if (pad > 0) { |
| 764 | offset += fieldAlign - pad; |
| 765 | } |
| 766 | |
| 767 | field->type().emitJavaFieldReaderWriter( |
| 768 | out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 769 | 0 /* depth */, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 770 | "parcel", |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 771 | "_hidl_blob", |
| 772 | field->name(), |
| 773 | "_hidl_offset + " + std::to_string(offset), |
| 774 | false /* isReader */); |
| 775 | |
| 776 | offset += fieldSize; |
| 777 | } |
| 778 | |
| 779 | out.unindent(); |
| 780 | out << "}\n"; |
| 781 | |
| 782 | out.unindent(); |
| 783 | out << "};\n\n"; |
| 784 | |
| 785 | return OK; |
| 786 | } |
| 787 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 788 | void CompoundType::emitStructReaderWriter( |
| 789 | Formatter &out, const std::string &prefix, bool isReader) const { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 790 | |
| 791 | std::string space = prefix.empty() ? "" : (prefix + "::"); |
| 792 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 793 | out << "::android::status_t " |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 794 | << (isReader ? "readEmbeddedFromParcel" |
| 795 | : "writeEmbeddedToParcel") |
| 796 | << "(\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 797 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 798 | out.indent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 799 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 800 | bool useName = false; |
| 801 | for (const auto &field : *mFields) { |
| 802 | if (field->type().useNameInEmitReaderWriterEmbedded(isReader)) { |
| 803 | useName = true; |
| 804 | break; |
| 805 | } |
| 806 | } |
| 807 | std::string name = useName ? "obj" : "/* obj */"; |
| 808 | // if not useName, then obj should not be used at all, |
| 809 | // then the #error should not be emitted. |
| 810 | std::string error = useName ? "" : "\n#error\n"; |
| 811 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 812 | if (isReader) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 813 | out << space << localName() << " *" << name << ",\n"; |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 814 | out << "const ::android::hardware::Parcel &parcel,\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 815 | } else { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 816 | out << "const " << space << localName() << " &" << name << ",\n"; |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 817 | out << "::android::hardware::Parcel *parcel,\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 818 | } |
| 819 | |
| 820 | out << "size_t parentHandle,\n" |
| 821 | << "size_t parentOffset)"; |
| 822 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 823 | out << " {\n"; |
| 824 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 825 | out.unindent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 826 | out.indent(); |
| 827 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 828 | out << "::android::status_t _hidl_err = ::android::OK;\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 829 | |
| 830 | for (const auto &field : *mFields) { |
| 831 | if (!field->type().needsEmbeddedReadWrite()) { |
| 832 | continue; |
| 833 | } |
| 834 | |
| 835 | field->type().emitReaderWriterEmbedded( |
| 836 | out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 837 | 0 /* depth */, |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 838 | name + (isReader ? "->" : ".") + field->name() + error, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 839 | field->name() /* sanitizedName */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 840 | false /* nameIsPointer */, |
| 841 | "parcel", |
| 842 | !isReader /* parcelObjIsPointer */, |
| 843 | isReader, |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 844 | ErrorMode_Return, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 845 | "parentHandle", |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 846 | "parentOffset + offsetof(" |
| 847 | + fullName() |
| 848 | + ", " |
| 849 | + field->name() |
| 850 | + ")"); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 851 | } |
| 852 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 853 | out << "return _hidl_err;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 854 | |
| 855 | out.unindent(); |
| 856 | out << "}\n\n"; |
| 857 | } |
| 858 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 859 | void CompoundType::emitResolveReferenceDef( |
| 860 | Formatter &out, const std::string prefix, bool isReader) const { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 861 | out << "::android::status_t "; |
| 862 | const std::string space(prefix.empty() ? "" : (prefix + "::")); |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 863 | |
| 864 | bool useParent = false; |
| 865 | for (const auto &field : *mFields) { |
| 866 | if (field->type().useParentInEmitResolveReferencesEmbedded()) { |
| 867 | useParent = true; |
| 868 | break; |
| 869 | } |
| 870 | } |
| 871 | |
| 872 | std::string parentHandleName = useParent ? "parentHandle" : "/* parentHandle */"; |
| 873 | std::string parentOffsetName = useParent ? "parentOffset" : "/* parentOffset */"; |
| 874 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 875 | if (isReader) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 876 | out << "readEmbeddedReferenceFromParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 877 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 878 | out << space + localName() + " *obj,\n" |
| 879 | << "const ::android::hardware::Parcel &parcel,\n" |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 880 | << "size_t " << parentHandleName << ", " |
| 881 | << "size_t " << parentOffsetName << ")\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 882 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 883 | } else { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 884 | out << "writeEmbeddedReferenceToParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 885 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 886 | out << "const " << space + localName() + " &obj,\n" |
| 887 | << "::android::hardware::Parcel *parcel,\n" |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 888 | << "size_t " << parentHandleName << ", " |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 889 | << "size_t " << parentOffsetName << ")\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 890 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 891 | } |
| 892 | |
| 893 | out << " {\n"; |
| 894 | |
| 895 | out.indent(); |
| 896 | |
| 897 | out << "::android::status_t _hidl_err = ::android::OK;\n\n"; |
| 898 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 899 | const std::string nameDeref(isReader ? "obj->" : "obj."); |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 900 | // if not useParent, then parentName and offsetText |
| 901 | // should not be used at all, then the #error should not be emitted. |
| 902 | std::string error = useParent ? "" : "\n#error\n"; |
| 903 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 904 | for (const auto &field : *mFields) { |
| 905 | if (!field->type().needsResolveReferences()) { |
| 906 | continue; |
| 907 | } |
| 908 | |
| 909 | field->type().emitResolveReferencesEmbedded( |
| 910 | out, |
| 911 | 0 /* depth */, |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 912 | nameDeref + field->name(), |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 913 | field->name() /* sanitizedName */, |
| 914 | false, // nameIsPointer |
| 915 | "parcel", // const std::string &parcelObj, |
| 916 | !isReader, // bool parcelObjIsPointer, |
| 917 | isReader, // bool isReader, |
| 918 | ErrorMode_Return, |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 919 | parentHandleName + error, |
| 920 | parentOffsetName |
| 921 | + " + offsetof(" |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 922 | + fullName() |
| 923 | + ", " |
| 924 | + field->name() |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 925 | + ")" |
| 926 | + error); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 927 | } |
| 928 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 929 | out << "return _hidl_err;\n"; |
| 930 | |
| 931 | out.unindent(); |
| 932 | out << "}\n\n"; |
| 933 | } |
| 934 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 935 | bool CompoundType::needsEmbeddedReadWrite() const { |
| 936 | if (mStyle != STYLE_STRUCT) { |
| 937 | return false; |
| 938 | } |
| 939 | |
| 940 | for (const auto &field : *mFields) { |
| 941 | if (field->type().needsEmbeddedReadWrite()) { |
| 942 | return true; |
| 943 | } |
| 944 | } |
| 945 | |
| 946 | return false; |
| 947 | } |
| 948 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 949 | bool CompoundType::needsResolveReferences() const { |
| 950 | if (mStyle != STYLE_STRUCT) { |
| 951 | return false; |
| 952 | } |
| 953 | |
| 954 | for (const auto &field : *mFields) { |
| 955 | if (field->type().needsResolveReferences()) { |
| 956 | return true; |
| 957 | } |
| 958 | } |
| 959 | |
| 960 | return false; |
| 961 | } |
| 962 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 963 | bool CompoundType::resultNeedsDeref() const { |
| 964 | return true; |
| 965 | } |
| 966 | |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 967 | status_t CompoundType::emitVtsTypeDeclarations(Formatter &out) const { |
Zhuoyao Zhang | bf828c8 | 2016-10-26 14:15:10 -0700 | [diff] [blame] | 968 | out << "name: \"" << fullName() << "\"\n"; |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 969 | out << "type: " << getVtsType() << "\n"; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 970 | |
| 971 | // Emit declaration for each subtype. |
| 972 | for (const auto &type : getSubTypes()) { |
| 973 | switch (mStyle) { |
| 974 | case STYLE_STRUCT: |
| 975 | { |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 976 | out << "sub_struct: {\n"; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 977 | break; |
| 978 | } |
| 979 | case STYLE_UNION: |
| 980 | { |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 981 | out << "sub_union: {\n"; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 982 | break; |
| 983 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 984 | } |
| 985 | out.indent(); |
| 986 | status_t status(type->emitVtsTypeDeclarations(out)); |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 987 | if (status != OK) { |
| 988 | return status; |
| 989 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 990 | out.unindent(); |
| 991 | out << "}\n"; |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 992 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 993 | |
| 994 | // Emit declaration for each field. |
| 995 | for (const auto &field : *mFields) { |
| 996 | switch (mStyle) { |
| 997 | case STYLE_STRUCT: |
| 998 | { |
| 999 | out << "struct_value: {\n"; |
| 1000 | break; |
| 1001 | } |
| 1002 | case STYLE_UNION: |
| 1003 | { |
| 1004 | out << "union_value: {\n"; |
| 1005 | break; |
| 1006 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 1007 | } |
| 1008 | out.indent(); |
| 1009 | out << "name: \"" << field->name() << "\"\n"; |
| 1010 | status_t status = field->type().emitVtsAttributeType(out); |
| 1011 | if (status != OK) { |
| 1012 | return status; |
| 1013 | } |
| 1014 | out.unindent(); |
| 1015 | out << "}\n"; |
| 1016 | } |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 1017 | |
| 1018 | return OK; |
| 1019 | } |
| 1020 | |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 1021 | status_t CompoundType::emitVtsAttributeType(Formatter &out) const { |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 1022 | out << "type: " << getVtsType() << "\n"; |
Zhuoyao Zhang | bf828c8 | 2016-10-26 14:15:10 -0700 | [diff] [blame] | 1023 | out << "predefined_type: \"" << fullName() << "\"\n"; |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 1024 | return OK; |
| 1025 | } |
| 1026 | |
Andreas Huber | 70a59e1 | 2016-08-16 12:57:01 -0700 | [diff] [blame] | 1027 | bool CompoundType::isJavaCompatible() const { |
Andreas Huber | 0fa9e39 | 2016-08-31 09:05:44 -0700 | [diff] [blame] | 1028 | if (mStyle != STYLE_STRUCT || !Scope::isJavaCompatible()) { |
| 1029 | return false; |
| 1030 | } |
| 1031 | |
| 1032 | for (const auto &field : *mFields) { |
| 1033 | if (!field->type().isJavaCompatible()) { |
| 1034 | return false; |
| 1035 | } |
| 1036 | } |
| 1037 | |
| 1038 | return true; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1039 | } |
| 1040 | |
| 1041 | void CompoundType::getAlignmentAndSize(size_t *align, size_t *size) const { |
| 1042 | *align = 1; |
| 1043 | |
| 1044 | size_t offset = 0; |
| 1045 | for (const auto &field : *mFields) { |
| 1046 | // Each field is aligned according to its alignment requirement. |
| 1047 | // The surrounding structure's alignment is the maximum of its |
| 1048 | // fields' aligments. |
| 1049 | |
| 1050 | size_t fieldAlign, fieldSize; |
| 1051 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 1052 | |
| 1053 | size_t pad = offset % fieldAlign; |
| 1054 | if (pad > 0) { |
| 1055 | offset += fieldAlign - pad; |
| 1056 | } |
| 1057 | |
| 1058 | offset += fieldSize; |
| 1059 | |
| 1060 | if (fieldAlign > (*align)) { |
| 1061 | *align = fieldAlign; |
| 1062 | } |
| 1063 | } |
| 1064 | |
| 1065 | // Final padding to account for the structure's alignment. |
| 1066 | size_t pad = offset % (*align); |
| 1067 | if (pad > 0) { |
| 1068 | offset += (*align) - pad; |
| 1069 | } |
| 1070 | |
| 1071 | *size = offset; |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 1072 | |
| 1073 | if (*size == 0) { |
| 1074 | // An empty struct still occupies a byte of space in C++. |
| 1075 | *size = 1; |
| 1076 | } |
Andreas Huber | 70a59e1 | 2016-08-16 12:57:01 -0700 | [diff] [blame] | 1077 | } |
| 1078 | |
Andreas Huber | 31629bc | 2016-08-03 09:06:40 -0700 | [diff] [blame] | 1079 | //////////////////////////////////////////////////////////////////////////////// |
| 1080 | |
| 1081 | CompoundField::CompoundField(const char *name, Type *type) |
| 1082 | : mName(name), |
| 1083 | mType(type) { |
| 1084 | } |
| 1085 | |
| 1086 | std::string CompoundField::name() const { |
| 1087 | return mName; |
| 1088 | } |
| 1089 | |
| 1090 | const Type &CompoundField::type() const { |
| 1091 | return *mType; |
| 1092 | } |
| 1093 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 1094 | } // namespace android |
| 1095 | |