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 "VectorType.h" |
| 18 | |
Andreas Huber | f03332a | 2016-09-22 15:35:43 -0700 | [diff] [blame] | 19 | #include "ArrayType.h" |
Yifan Hong | 51f9c8a | 2016-12-05 18:47:33 -0800 | [diff] [blame] | 20 | #include "CompoundType.h" |
Andreas Huber | 6755e9d | 2017-04-06 11:09:07 -0700 | [diff] [blame^] | 21 | #include "HidlTypeAssertion.h" |
Andreas Huber | f03332a | 2016-09-22 15:35:43 -0700 | [diff] [blame] | 22 | |
Iliyan Malchev | a72e0d2 | 2016-09-09 11:03:08 -0700 | [diff] [blame] | 23 | #include <hidl-util/Formatter.h> |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 24 | #include <android-base/logging.h> |
| 25 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 26 | namespace android { |
| 27 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 28 | VectorType::VectorType() { |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 29 | } |
| 30 | |
Steven Moreland | 30bb6a8 | 2016-11-30 09:18:34 -0800 | [diff] [blame] | 31 | std::string VectorType::typeName() const { |
| 32 | return "vector" + (mElementType == nullptr ? "" : (" of " + mElementType->typeName())); |
| 33 | } |
| 34 | |
Yifan Hong | 51f9c8a | 2016-12-05 18:47:33 -0800 | [diff] [blame] | 35 | bool VectorType::isCompatibleElementType(Type *elementType) const { |
| 36 | if (elementType->isScalar()) { |
| 37 | return true; |
| 38 | } |
| 39 | if (elementType->isString()) { |
| 40 | return true; |
| 41 | } |
| 42 | if (elementType->isEnum()) { |
| 43 | return true; |
| 44 | } |
| 45 | if (elementType->isBitField()) { |
| 46 | return true; |
| 47 | } |
| 48 | if (elementType->isCompoundType() |
| 49 | && static_cast<CompoundType *>(elementType)->style() == CompoundType::STYLE_STRUCT) { |
| 50 | return true; |
| 51 | } |
| 52 | if (elementType->isInterface()) { |
| 53 | return true; |
| 54 | } |
| 55 | if (elementType->isHandle()) { |
| 56 | return true; |
| 57 | } |
| 58 | if (elementType->isTemplatedType()) { |
| 59 | Type *inner = static_cast<TemplatedType *>(elementType)->getElementType(); |
| 60 | return this->isCompatibleElementType(inner) && !inner->isInterface(); |
| 61 | } |
| 62 | if (elementType->isArray()) { |
| 63 | Type *inner = static_cast<ArrayType *>(elementType)->getElementType(); |
| 64 | return this->isCompatibleElementType(inner) && !inner->isInterface(); |
| 65 | } |
| 66 | return false; |
Steven Moreland | 30bb6a8 | 2016-11-30 09:18:34 -0800 | [diff] [blame] | 67 | } |
| 68 | |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 69 | void VectorType::addNamedTypesToSet(std::set<const FQName> &set) const { |
| 70 | mElementType->addNamedTypesToSet(set); |
| 71 | } |
| 72 | |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 73 | bool VectorType::isVector() const { |
| 74 | return true; |
| 75 | } |
| 76 | |
| 77 | bool VectorType::isVectorOfBinders() const { |
| 78 | return mElementType->isBinder(); |
| 79 | } |
| 80 | |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 81 | bool VectorType::canCheckEquality() const { |
| 82 | return mElementType->canCheckEquality(); |
| 83 | } |
| 84 | |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 85 | std::string VectorType::getCppType(StorageMode mode, |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 86 | bool specifyNamespaces) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 87 | const std::string base = |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 88 | std::string(specifyNamespaces ? "::android::hardware::" : "") |
| 89 | + "hidl_vec<" |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 90 | + mElementType->getCppStackType( specifyNamespaces) |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 91 | + ">"; |
| 92 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 93 | switch (mode) { |
| 94 | case StorageMode_Stack: |
| 95 | return base; |
| 96 | |
| 97 | case StorageMode_Argument: |
| 98 | return "const " + base + "&"; |
| 99 | |
| 100 | case StorageMode_Result: |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 101 | { |
| 102 | if (isVectorOfBinders()) { |
| 103 | return base; |
| 104 | } |
| 105 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 106 | return "const " + base + "*"; |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 107 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 108 | } |
| 109 | } |
| 110 | |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 111 | std::string VectorType::getJavaType(bool /* forInitializer */) const { |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 112 | |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 113 | std::string elementJavaType; |
| 114 | if (mElementType->isArray()) { |
| 115 | elementJavaType = mElementType->getJavaType(); |
| 116 | } else { |
| 117 | elementJavaType = mElementType->getJavaWrapperType(); |
| 118 | } |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 119 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 120 | return "java.util.ArrayList<" |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 121 | + elementJavaType |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 122 | + ">"; |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 123 | } |
| 124 | |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 125 | std::string VectorType::getVtsType() const { |
| 126 | return "TYPE_VECTOR"; |
| 127 | } |
| 128 | |
Zhuoyao Zhang | e966784 | 2017-01-19 12:35:32 -0800 | [diff] [blame] | 129 | std::string VectorType::getVtsValueName() const { |
| 130 | return "vector_value"; |
| 131 | } |
| 132 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 133 | void VectorType::emitReaderWriter( |
| 134 | Formatter &out, |
| 135 | const std::string &name, |
| 136 | const std::string &parcelObj, |
| 137 | bool parcelObjIsPointer, |
| 138 | bool isReader, |
| 139 | ErrorMode mode) const { |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 140 | if (isVectorOfBinders()) { |
| 141 | emitReaderWriterForVectorOfBinders( |
| 142 | out, name, parcelObj, parcelObjIsPointer, isReader, mode); |
| 143 | |
| 144 | return; |
| 145 | } |
| 146 | |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 147 | std::string baseType = mElementType->getCppStackType(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 148 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 149 | const std::string parentName = "_hidl_" + name + "_parent"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 150 | |
| 151 | out << "size_t " << parentName << ";\n\n"; |
| 152 | |
| 153 | const std::string parcelObjDeref = |
| 154 | parcelObj + (parcelObjIsPointer ? "->" : "."); |
| 155 | |
| 156 | if (isReader) { |
Martijn Coenen | 6a082c6 | 2017-01-11 12:47:02 +0100 | [diff] [blame] | 157 | out << "_hidl_err = " |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 158 | << parcelObjDeref |
| 159 | << "readBuffer(&" |
| 160 | << parentName |
Martijn Coenen | 6a082c6 | 2017-01-11 12:47:02 +0100 | [diff] [blame] | 161 | << ", " |
| 162 | << " reinterpret_cast<const void **>(" |
| 163 | << "&" << name |
| 164 | << "));\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 165 | |
Martijn Coenen | 6a082c6 | 2017-01-11 12:47:02 +0100 | [diff] [blame] | 166 | handleError(out, mode); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 167 | } else { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 168 | out << "_hidl_err = " |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 169 | << parcelObjDeref |
| 170 | << "writeBuffer(&" |
| 171 | << name |
| 172 | << ", sizeof(" |
| 173 | << name |
| 174 | << "), &" |
| 175 | << parentName |
| 176 | << ");\n"; |
| 177 | |
| 178 | handleError(out, mode); |
| 179 | } |
| 180 | |
| 181 | emitReaderWriterEmbedded( |
| 182 | out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 183 | 0 /* depth */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 184 | name, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 185 | name /* sanitizedName */ , |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 186 | isReader /* nameIsPointer */, |
| 187 | parcelObj, |
| 188 | parcelObjIsPointer, |
| 189 | isReader, |
| 190 | mode, |
| 191 | parentName, |
| 192 | "0 /* parentOffset */"); |
| 193 | } |
| 194 | |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 195 | void VectorType::emitReaderWriterForVectorOfBinders( |
| 196 | Formatter &out, |
| 197 | const std::string &name, |
| 198 | const std::string &parcelObj, |
| 199 | bool parcelObjIsPointer, |
| 200 | bool isReader, |
| 201 | ErrorMode mode) const { |
| 202 | const std::string parcelObjDeref = |
| 203 | parcelObj + (parcelObjIsPointer ? "->" : "."); |
| 204 | |
| 205 | if (isReader) { |
| 206 | out << "{\n"; |
| 207 | out.indent(); |
| 208 | |
| 209 | const std::string sizeName = "_hidl_" + name + "_size"; |
| 210 | |
| 211 | out << "uint64_t " |
| 212 | << sizeName |
| 213 | << ";\n"; |
| 214 | |
| 215 | out << "_hidl_err = " |
| 216 | << parcelObjDeref |
| 217 | << "readUint64(&" |
| 218 | << sizeName |
| 219 | << ");\n"; |
| 220 | |
| 221 | handleError(out, mode); |
| 222 | |
| 223 | out << name |
| 224 | << ".resize(" |
| 225 | << sizeName |
| 226 | << ");\n\n" |
| 227 | << "for (size_t _hidl_index = 0; _hidl_index < " |
| 228 | << sizeName |
| 229 | << "; ++_hidl_index) {\n"; |
| 230 | |
| 231 | out.indent(); |
| 232 | |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 233 | out << mElementType->getCppStackType(true /* specifyNamespaces */) |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 234 | << " _hidl_base;\n"; |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 235 | |
| 236 | mElementType->emitReaderWriter( |
| 237 | out, |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 238 | "_hidl_base", |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 239 | parcelObj, |
| 240 | parcelObjIsPointer, |
| 241 | isReader, |
| 242 | mode); |
| 243 | |
| 244 | out << name |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 245 | << "[_hidl_index] = _hidl_base;\n"; |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 246 | |
| 247 | out.unindent(); |
| 248 | out << "}\n"; |
| 249 | |
| 250 | out.unindent(); |
| 251 | out << "}\n"; |
| 252 | } else { |
| 253 | out << "_hidl_err = " |
| 254 | << parcelObjDeref |
| 255 | << "writeUint64(" |
| 256 | << name |
| 257 | << ".size());\n"; |
| 258 | |
| 259 | handleError(out, mode); |
| 260 | |
| 261 | out << "for (size_t _hidl_index = 0; _hidl_index < " |
| 262 | << name |
| 263 | << ".size(); ++_hidl_index) {\n"; |
| 264 | |
| 265 | out.indent(); |
| 266 | |
| 267 | mElementType->emitReaderWriter( |
| 268 | out, |
| 269 | name + "[_hidl_index]", |
| 270 | parcelObj, |
| 271 | parcelObjIsPointer, |
| 272 | isReader, |
| 273 | mode); |
| 274 | |
| 275 | out.unindent(); |
| 276 | out << "}\n"; |
| 277 | } |
| 278 | } |
| 279 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 280 | void VectorType::emitReaderWriterEmbedded( |
| 281 | Formatter &out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 282 | size_t depth, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 283 | const std::string &name, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 284 | const std::string &sanitizedName, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 285 | bool nameIsPointer, |
| 286 | const std::string &parcelObj, |
| 287 | bool parcelObjIsPointer, |
| 288 | bool isReader, |
| 289 | ErrorMode mode, |
| 290 | const std::string &parentName, |
| 291 | const std::string &offsetText) const { |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 292 | std::string baseType = getCppStackType(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 293 | |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 294 | const std::string childName = "_hidl_" + sanitizedName + "_child"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 295 | out << "size_t " << childName << ";\n\n"; |
| 296 | |
| 297 | emitReaderWriterEmbeddedForTypeName( |
| 298 | out, |
| 299 | name, |
| 300 | nameIsPointer, |
| 301 | parcelObj, |
| 302 | parcelObjIsPointer, |
| 303 | isReader, |
| 304 | mode, |
| 305 | parentName, |
| 306 | offsetText, |
| 307 | baseType, |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 308 | childName, |
| 309 | "::android::hardware"); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 310 | |
| 311 | if (!mElementType->needsEmbeddedReadWrite()) { |
| 312 | return; |
| 313 | } |
| 314 | |
| 315 | const std::string nameDeref = name + (nameIsPointer ? "->" : "."); |
| 316 | |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 317 | baseType = mElementType->getCppStackType(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 318 | |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 319 | std::string iteratorName = "_hidl_index_" + std::to_string(depth); |
| 320 | |
| 321 | out << "for (size_t " |
| 322 | << iteratorName |
| 323 | << " = 0; " |
| 324 | << iteratorName |
| 325 | << " < " |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 326 | << nameDeref |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 327 | << "size(); ++" |
| 328 | << iteratorName |
| 329 | << ") {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 330 | |
| 331 | out.indent(); |
| 332 | |
| 333 | mElementType->emitReaderWriterEmbedded( |
| 334 | out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 335 | depth + 1, |
| 336 | (nameIsPointer ? "(*" + name + ")" : name) |
| 337 | + "[" + iteratorName + "]", |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 338 | sanitizedName + (nameIsPointer ? "_deref" : "") + "_indexed", |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 339 | false /* nameIsPointer */, |
| 340 | parcelObj, |
| 341 | parcelObjIsPointer, |
| 342 | isReader, |
| 343 | mode, |
| 344 | childName, |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 345 | iteratorName + " * sizeof(" + baseType + ")"); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 346 | |
| 347 | out.unindent(); |
| 348 | |
| 349 | out << "}\n\n"; |
| 350 | } |
| 351 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 352 | void VectorType::emitResolveReferences( |
| 353 | Formatter &out, |
| 354 | const std::string &name, |
| 355 | bool nameIsPointer, |
| 356 | const std::string &parcelObj, |
| 357 | bool parcelObjIsPointer, |
| 358 | bool isReader, |
| 359 | ErrorMode mode) const { |
| 360 | emitResolveReferencesEmbeddedHelper( |
| 361 | out, |
| 362 | 0, /* depth */ |
| 363 | name, |
| 364 | name /* sanitizedName */, |
| 365 | nameIsPointer, |
| 366 | parcelObj, |
| 367 | parcelObjIsPointer, |
| 368 | isReader, |
| 369 | mode, |
| 370 | "_hidl_" + name + "_child", |
| 371 | "0 /* parentOffset */"); |
| 372 | } |
| 373 | |
| 374 | void VectorType::emitResolveReferencesEmbedded( |
| 375 | Formatter &out, |
| 376 | size_t depth, |
| 377 | const std::string &name, |
| 378 | const std::string &sanitizedName, |
| 379 | bool nameIsPointer, |
| 380 | const std::string &parcelObj, |
| 381 | bool parcelObjIsPointer, |
| 382 | bool isReader, |
| 383 | ErrorMode mode, |
| 384 | const std::string & /* parentName */, |
| 385 | const std::string & /* offsetText */) const { |
| 386 | emitResolveReferencesEmbeddedHelper( |
| 387 | out, depth, name, sanitizedName, nameIsPointer, parcelObj, |
| 388 | parcelObjIsPointer, isReader, mode, "", ""); |
| 389 | } |
| 390 | |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 391 | bool VectorType::useParentInEmitResolveReferencesEmbedded() const { |
| 392 | // parentName and offsetText is not used in emitResolveReferencesEmbedded |
| 393 | return false; |
| 394 | } |
| 395 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 396 | void VectorType::emitResolveReferencesEmbeddedHelper( |
| 397 | Formatter &out, |
| 398 | size_t depth, |
| 399 | const std::string &name, |
| 400 | const std::string &sanitizedName, |
| 401 | bool nameIsPointer, |
| 402 | const std::string &parcelObj, |
| 403 | bool parcelObjIsPointer, |
| 404 | bool isReader, |
| 405 | ErrorMode mode, |
| 406 | const std::string &childName, |
| 407 | const std::string &childOffsetText) const { |
| 408 | CHECK(needsResolveReferences() && mElementType->needsResolveReferences()); |
| 409 | |
| 410 | const std::string nameDeref = name + (nameIsPointer ? "->" : "."); |
Yifan Hong | 859e53f | 2016-11-14 19:08:24 -0800 | [diff] [blame] | 411 | const std::string nameDerefed = (nameIsPointer ? "*" : "") + name; |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 412 | std::string elementType = mElementType->getCppStackType(); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 413 | |
| 414 | std::string myChildName = childName, myChildOffset = childOffsetText; |
| 415 | |
| 416 | if(myChildName.empty() && myChildOffset.empty()) { |
| 417 | myChildName = "_hidl_" + sanitizedName + "_child"; |
| 418 | myChildOffset = "0"; |
| 419 | |
| 420 | out << "size_t " << myChildName << ";\n"; |
Yifan Hong | 859e53f | 2016-11-14 19:08:24 -0800 | [diff] [blame] | 421 | out << "_hidl_err = ::android::hardware::findInParcel(" |
| 422 | << nameDerefed << ", " |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 423 | << (parcelObjIsPointer ? "*" : "") << parcelObj << ", " |
| 424 | << "&" << myChildName |
| 425 | << ");\n"; |
| 426 | |
| 427 | handleError(out, mode); |
| 428 | } |
| 429 | |
| 430 | std::string iteratorName = "_hidl_index_" + std::to_string(depth); |
| 431 | |
| 432 | out << "for (size_t " |
| 433 | << iteratorName |
| 434 | << " = 0; " |
| 435 | << iteratorName |
| 436 | << " < " |
| 437 | << nameDeref |
| 438 | << "size(); ++" |
| 439 | << iteratorName |
| 440 | << ") {\n"; |
| 441 | |
| 442 | out.indent(); |
| 443 | |
| 444 | mElementType->emitResolveReferencesEmbedded( |
| 445 | out, |
| 446 | depth + 1, |
| 447 | (nameIsPointer ? "(*" + name + ")" : name) + "[" + iteratorName + "]", |
| 448 | sanitizedName + (nameIsPointer ? "_deref" : "") + "_indexed", |
| 449 | false /* nameIsPointer */, |
| 450 | parcelObj, |
| 451 | parcelObjIsPointer, |
| 452 | isReader, |
| 453 | mode, |
| 454 | myChildName, |
| 455 | myChildOffset + " + " + |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 456 | iteratorName + " * sizeof(" + elementType + ")"); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 457 | |
| 458 | out.unindent(); |
| 459 | |
| 460 | out << "}\n\n"; |
| 461 | } |
| 462 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 463 | void VectorType::emitJavaReaderWriter( |
| 464 | Formatter &out, |
| 465 | const std::string &parcelObj, |
| 466 | const std::string &argName, |
| 467 | bool isReader) const { |
| 468 | if (mElementType->isCompoundType()) { |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 469 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 470 | if (isReader) { |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 471 | out << mElementType->getJavaType() |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 472 | << ".readVectorFromParcel(" |
| 473 | << parcelObj |
| 474 | << ");\n"; |
| 475 | } else { |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 476 | out << mElementType->getJavaType() |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 477 | << ".writeVectorToParcel(" |
| 478 | << parcelObj |
| 479 | << ", " |
| 480 | << argName |
| 481 | << ");\n"; |
| 482 | } |
| 483 | |
| 484 | return; |
| 485 | } |
| 486 | |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 487 | if (mElementType->isArray()) { |
| 488 | if (isReader) { |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 489 | out << " new " |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 490 | << getJavaType(false /* forInitializer */) |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 491 | << "();\n"; |
| 492 | } |
| 493 | |
| 494 | out << "{\n"; |
| 495 | out.indent(); |
| 496 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 497 | out << "android.os.HwBlob _hidl_blob = "; |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 498 | |
| 499 | if (isReader) { |
| 500 | out << parcelObj |
| 501 | << ".readBuffer();\n"; |
| 502 | } else { |
| 503 | size_t align, size; |
| 504 | getAlignmentAndSize(&align, &size); |
| 505 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 506 | out << "new android.os.HwBlob(" |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 507 | << size |
| 508 | << " /* size */);\n"; |
| 509 | } |
| 510 | |
| 511 | emitJavaFieldReaderWriter( |
| 512 | out, |
| 513 | 0 /* depth */, |
| 514 | parcelObj, |
| 515 | "_hidl_blob", |
| 516 | argName, |
| 517 | "0 /* offset */", |
| 518 | isReader); |
| 519 | |
| 520 | if (!isReader) { |
| 521 | out << parcelObj << ".writeBuffer(_hidl_blob);\n"; |
| 522 | }; |
| 523 | |
| 524 | out.unindent(); |
| 525 | out << "}\n"; |
| 526 | |
| 527 | return; |
| 528 | } |
| 529 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 530 | emitJavaReaderWriterWithSuffix( |
| 531 | out, |
| 532 | parcelObj, |
| 533 | argName, |
| 534 | isReader, |
| 535 | mElementType->getJavaSuffix() + "Vector", |
| 536 | "" /* extra */); |
| 537 | } |
| 538 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 539 | void VectorType::emitJavaFieldInitializer( |
| 540 | Formatter &out, const std::string &fieldName) const { |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 541 | std::string javaType = getJavaType(false /* forInitializer */); |
Andreas Huber | f03332a | 2016-09-22 15:35:43 -0700 | [diff] [blame] | 542 | |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 543 | out << "final " |
| 544 | << javaType |
| 545 | << " " |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 546 | << fieldName |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 547 | << " = new " |
| 548 | << javaType |
| 549 | << "();\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 550 | } |
| 551 | |
| 552 | void VectorType::emitJavaFieldReaderWriter( |
| 553 | Formatter &out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 554 | size_t depth, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 555 | const std::string &parcelName, |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 556 | const std::string &blobName, |
| 557 | const std::string &fieldName, |
| 558 | const std::string &offset, |
| 559 | bool isReader) const { |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 560 | VectorType::EmitJavaFieldReaderWriterForElementType( |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 561 | out, |
| 562 | depth, |
| 563 | mElementType, |
| 564 | parcelName, |
| 565 | blobName, |
| 566 | fieldName, |
| 567 | offset, |
| 568 | isReader); |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 569 | } |
| 570 | |
| 571 | // static |
| 572 | void VectorType::EmitJavaFieldReaderWriterForElementType( |
| 573 | Formatter &out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 574 | size_t depth, |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 575 | const Type *elementType, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 576 | const std::string &parcelName, |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 577 | const std::string &blobName, |
| 578 | const std::string &fieldName, |
| 579 | const std::string &offset, |
| 580 | bool isReader) { |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 581 | if (isReader) { |
| 582 | out << "{\n"; |
| 583 | out.indent(); |
| 584 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 585 | out << "android.os.HwBlob childBlob = " |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 586 | << parcelName |
| 587 | << ".readEmbeddedBuffer(\n"; |
| 588 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 589 | out.indent(); |
| 590 | out.indent(); |
| 591 | |
| 592 | out << blobName |
| 593 | << ".handle(),\n" |
| 594 | << offset |
Martijn Coenen | 011bb06 | 2017-01-13 11:09:41 +0100 | [diff] [blame] | 595 | << " + 0 /* offsetof(hidl_vec<T>, mBuffer) */," |
| 596 | << "true /* nullable */);\n\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 597 | |
| 598 | out.unindent(); |
| 599 | out.unindent(); |
| 600 | |
| 601 | out << fieldName << ".clear();\n"; |
Pavel Maltsev | cfa7934 | 2016-11-21 22:50:18 -0800 | [diff] [blame] | 602 | out << "int _hidl_vec_size = " |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 603 | << blobName |
Pavel Maltsev | cfa7934 | 2016-11-21 22:50:18 -0800 | [diff] [blame] | 604 | << ".getInt32(" |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 605 | << offset |
| 606 | << " + 8 /* offsetof(hidl_vec<T>, mSize) */);\n"; |
| 607 | |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 608 | std::string iteratorName = "_hidl_index_" + std::to_string(depth); |
| 609 | |
| 610 | out << "for (int " |
| 611 | << iteratorName |
| 612 | << " = 0; " |
| 613 | << iteratorName |
| 614 | << " < _hidl_vec_size; " |
| 615 | << "++" |
| 616 | << iteratorName |
| 617 | << ") {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 618 | |
| 619 | out.indent(); |
| 620 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 621 | elementType->emitJavaFieldInitializer(out, "_hidl_vec_element"); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 622 | |
| 623 | size_t elementAlign, elementSize; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 624 | elementType->getAlignmentAndSize(&elementAlign, &elementSize); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 625 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 626 | elementType->emitJavaFieldReaderWriter( |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 627 | out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 628 | depth + 1, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 629 | parcelName, |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 630 | "childBlob", |
| 631 | "_hidl_vec_element", |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 632 | iteratorName + " * " + std::to_string(elementSize), |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 633 | true /* isReader */); |
| 634 | |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 635 | out << fieldName |
| 636 | << ".add(_hidl_vec_element);\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 637 | |
| 638 | out.unindent(); |
| 639 | |
| 640 | out << "}\n"; |
| 641 | |
| 642 | out.unindent(); |
| 643 | out << "}\n"; |
| 644 | |
| 645 | return; |
| 646 | } |
| 647 | |
| 648 | out << "{\n"; |
| 649 | out.indent(); |
| 650 | |
Pavel Maltsev | cfa7934 | 2016-11-21 22:50:18 -0800 | [diff] [blame] | 651 | out << "int _hidl_vec_size = " |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 652 | << fieldName |
| 653 | << ".size();\n"; |
| 654 | |
| 655 | out << blobName |
Pavel Maltsev | cfa7934 | 2016-11-21 22:50:18 -0800 | [diff] [blame] | 656 | << ".putInt32(" |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 657 | << offset |
| 658 | << " + 8 /* offsetof(hidl_vec<T>, mSize) */, _hidl_vec_size);\n"; |
| 659 | |
| 660 | out << blobName |
| 661 | << ".putBool(" |
| 662 | << offset |
Pavel Maltsev | cfa7934 | 2016-11-21 22:50:18 -0800 | [diff] [blame] | 663 | << " + 12 /* offsetof(hidl_vec<T>, mOwnsBuffer) */, false);\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 664 | |
| 665 | size_t elementAlign, elementSize; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 666 | elementType->getAlignmentAndSize(&elementAlign, &elementSize); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 667 | |
| 668 | // XXX make HwBlob constructor take a long instead of an int? |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 669 | out << "android.os.HwBlob childBlob = new android.os.HwBlob((int)(_hidl_vec_size * " |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 670 | << elementSize |
| 671 | << "));\n"; |
| 672 | |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 673 | std::string iteratorName = "_hidl_index_" + std::to_string(depth); |
| 674 | |
| 675 | out << "for (int " |
| 676 | << iteratorName |
| 677 | << " = 0; " |
| 678 | << iteratorName |
| 679 | << " < _hidl_vec_size; " |
| 680 | << "++" |
| 681 | << iteratorName |
| 682 | << ") {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 683 | |
| 684 | out.indent(); |
| 685 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 686 | elementType->emitJavaFieldReaderWriter( |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 687 | out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 688 | depth + 1, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 689 | parcelName, |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 690 | "childBlob", |
Andreas Huber | f1abc2a | 2016-09-28 09:14:43 -0700 | [diff] [blame] | 691 | fieldName + ".get(" + iteratorName + ")", |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 692 | iteratorName + " * " + std::to_string(elementSize), |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 693 | false /* isReader */); |
| 694 | |
| 695 | out.unindent(); |
| 696 | |
| 697 | out << "}\n"; |
| 698 | |
| 699 | out << blobName |
| 700 | << ".putBlob(" |
| 701 | << offset |
| 702 | << " + 0 /* offsetof(hidl_vec<T>, mBuffer) */, childBlob);\n"; |
| 703 | |
| 704 | out.unindent(); |
| 705 | out << "}\n"; |
| 706 | } |
| 707 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 708 | bool VectorType::needsEmbeddedReadWrite() const { |
| 709 | return true; |
| 710 | } |
| 711 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 712 | bool VectorType::needsResolveReferences() const { |
| 713 | return mElementType->needsResolveReferences(); |
| 714 | } |
| 715 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 716 | bool VectorType::resultNeedsDeref() const { |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 717 | return !isVectorOfBinders(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 718 | } |
| 719 | |
Andreas Huber | 70a59e1 | 2016-08-16 12:57:01 -0700 | [diff] [blame] | 720 | bool VectorType::isJavaCompatible() const { |
Andreas Huber | f03332a | 2016-09-22 15:35:43 -0700 | [diff] [blame] | 721 | if (!mElementType->isJavaCompatible()) { |
| 722 | return false; |
| 723 | } |
| 724 | |
| 725 | if (mElementType->isArray()) { |
| 726 | return static_cast<ArrayType *>(mElementType)->countDimensions() == 1; |
| 727 | } |
| 728 | |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 729 | if (mElementType->isVector()) { |
| 730 | return false; |
| 731 | } |
| 732 | |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 733 | if (isVectorOfBinders()) { |
| 734 | return false; |
| 735 | } |
| 736 | |
Andreas Huber | f03332a | 2016-09-22 15:35:43 -0700 | [diff] [blame] | 737 | return true; |
Andreas Huber | 70a59e1 | 2016-08-16 12:57:01 -0700 | [diff] [blame] | 738 | } |
| 739 | |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 740 | bool VectorType::containsPointer() const { |
| 741 | return mElementType->containsPointer(); |
| 742 | } |
| 743 | |
Andreas Huber | 6755e9d | 2017-04-06 11:09:07 -0700 | [diff] [blame^] | 744 | // All hidl_vec<T> have the same size. |
| 745 | static HidlTypeAssertion assertion("hidl_vec<char>", 16 /* size */); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 746 | void VectorType::getAlignmentAndSize(size_t *align, size_t *size) const { |
| 747 | *align = 8; // hidl_vec<T> |
Andreas Huber | 6755e9d | 2017-04-06 11:09:07 -0700 | [diff] [blame^] | 748 | *size = assertion.size(); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 749 | } |
| 750 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 751 | } // namespace android |
| 752 | |