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 | } |
Steven Moreland | 397b5e1 | 2017-06-08 14:02:26 -0700 | [diff] [blame] | 58 | if (elementType->isMemory()) { |
| 59 | return true; |
| 60 | } |
Yifan Hong | 51f9c8a | 2016-12-05 18:47:33 -0800 | [diff] [blame] | 61 | if (elementType->isTemplatedType()) { |
| 62 | Type *inner = static_cast<TemplatedType *>(elementType)->getElementType(); |
| 63 | return this->isCompatibleElementType(inner) && !inner->isInterface(); |
| 64 | } |
| 65 | if (elementType->isArray()) { |
| 66 | Type *inner = static_cast<ArrayType *>(elementType)->getElementType(); |
| 67 | return this->isCompatibleElementType(inner) && !inner->isInterface(); |
| 68 | } |
| 69 | return false; |
Steven Moreland | 30bb6a8 | 2016-11-30 09:18:34 -0800 | [diff] [blame] | 70 | } |
| 71 | |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 72 | bool VectorType::isVector() const { |
| 73 | return true; |
| 74 | } |
| 75 | |
| 76 | bool VectorType::isVectorOfBinders() const { |
| 77 | return mElementType->isBinder(); |
| 78 | } |
| 79 | |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 80 | bool VectorType::canCheckEquality() const { |
| 81 | return mElementType->canCheckEquality(); |
| 82 | } |
| 83 | |
Timur Iskhakov | 40731af | 2017-08-24 14:18:35 -0700 | [diff] [blame^] | 84 | std::vector<Reference<Type>> VectorType::getStrongReferences() const { |
| 85 | return {}; |
| 86 | } |
| 87 | |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 88 | std::string VectorType::getCppType(StorageMode mode, |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 89 | bool specifyNamespaces) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 90 | const std::string base = |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 91 | std::string(specifyNamespaces ? "::android::hardware::" : "") |
| 92 | + "hidl_vec<" |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 93 | + mElementType->getCppStackType( specifyNamespaces) |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 94 | + ">"; |
| 95 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 96 | switch (mode) { |
| 97 | case StorageMode_Stack: |
| 98 | return base; |
| 99 | |
| 100 | case StorageMode_Argument: |
| 101 | return "const " + base + "&"; |
| 102 | |
| 103 | case StorageMode_Result: |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 104 | { |
| 105 | if (isVectorOfBinders()) { |
| 106 | return base; |
| 107 | } |
| 108 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 109 | return "const " + base + "*"; |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 110 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 111 | } |
| 112 | } |
| 113 | |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 114 | std::string VectorType::getJavaType(bool /* forInitializer */) const { |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 115 | |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 116 | std::string elementJavaType; |
| 117 | if (mElementType->isArray()) { |
| 118 | elementJavaType = mElementType->getJavaType(); |
| 119 | } else { |
| 120 | elementJavaType = mElementType->getJavaWrapperType(); |
| 121 | } |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 122 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 123 | return "java.util.ArrayList<" |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 124 | + elementJavaType |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 125 | + ">"; |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 126 | } |
| 127 | |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 128 | std::string VectorType::getVtsType() const { |
| 129 | return "TYPE_VECTOR"; |
| 130 | } |
| 131 | |
Zhuoyao Zhang | e966784 | 2017-01-19 12:35:32 -0800 | [diff] [blame] | 132 | std::string VectorType::getVtsValueName() const { |
| 133 | return "vector_value"; |
| 134 | } |
| 135 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 136 | void VectorType::emitReaderWriter( |
| 137 | Formatter &out, |
| 138 | const std::string &name, |
| 139 | const std::string &parcelObj, |
| 140 | bool parcelObjIsPointer, |
| 141 | bool isReader, |
| 142 | ErrorMode mode) const { |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 143 | if (isVectorOfBinders()) { |
| 144 | emitReaderWriterForVectorOfBinders( |
| 145 | out, name, parcelObj, parcelObjIsPointer, isReader, mode); |
| 146 | |
| 147 | return; |
| 148 | } |
| 149 | |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 150 | std::string baseType = mElementType->getCppStackType(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 151 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 152 | const std::string parentName = "_hidl_" + name + "_parent"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 153 | |
| 154 | out << "size_t " << parentName << ";\n\n"; |
| 155 | |
| 156 | const std::string parcelObjDeref = |
| 157 | parcelObj + (parcelObjIsPointer ? "->" : "."); |
| 158 | |
| 159 | if (isReader) { |
Martijn Coenen | 6a082c6 | 2017-01-11 12:47:02 +0100 | [diff] [blame] | 160 | out << "_hidl_err = " |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 161 | << parcelObjDeref |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 162 | << "readBuffer(" |
| 163 | << "sizeof(*" |
| 164 | << name |
| 165 | << "), &" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 166 | << parentName |
Martijn Coenen | 6a082c6 | 2017-01-11 12:47:02 +0100 | [diff] [blame] | 167 | << ", " |
| 168 | << " reinterpret_cast<const void **>(" |
| 169 | << "&" << name |
| 170 | << "));\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 171 | |
Martijn Coenen | 6a082c6 | 2017-01-11 12:47:02 +0100 | [diff] [blame] | 172 | handleError(out, mode); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 173 | } else { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 174 | out << "_hidl_err = " |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 175 | << parcelObjDeref |
| 176 | << "writeBuffer(&" |
| 177 | << name |
| 178 | << ", sizeof(" |
| 179 | << name |
| 180 | << "), &" |
| 181 | << parentName |
| 182 | << ");\n"; |
| 183 | |
| 184 | handleError(out, mode); |
| 185 | } |
| 186 | |
| 187 | emitReaderWriterEmbedded( |
| 188 | out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 189 | 0 /* depth */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 190 | name, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 191 | name /* sanitizedName */ , |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 192 | isReader /* nameIsPointer */, |
| 193 | parcelObj, |
| 194 | parcelObjIsPointer, |
| 195 | isReader, |
| 196 | mode, |
| 197 | parentName, |
| 198 | "0 /* parentOffset */"); |
| 199 | } |
| 200 | |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 201 | void VectorType::emitReaderWriterForVectorOfBinders( |
| 202 | Formatter &out, |
| 203 | const std::string &name, |
| 204 | const std::string &parcelObj, |
| 205 | bool parcelObjIsPointer, |
| 206 | bool isReader, |
| 207 | ErrorMode mode) const { |
| 208 | const std::string parcelObjDeref = |
| 209 | parcelObj + (parcelObjIsPointer ? "->" : "."); |
| 210 | |
| 211 | if (isReader) { |
| 212 | out << "{\n"; |
| 213 | out.indent(); |
| 214 | |
| 215 | const std::string sizeName = "_hidl_" + name + "_size"; |
| 216 | |
| 217 | out << "uint64_t " |
| 218 | << sizeName |
| 219 | << ";\n"; |
| 220 | |
| 221 | out << "_hidl_err = " |
| 222 | << parcelObjDeref |
| 223 | << "readUint64(&" |
| 224 | << sizeName |
| 225 | << ");\n"; |
| 226 | |
| 227 | handleError(out, mode); |
| 228 | |
| 229 | out << name |
| 230 | << ".resize(" |
| 231 | << sizeName |
| 232 | << ");\n\n" |
| 233 | << "for (size_t _hidl_index = 0; _hidl_index < " |
| 234 | << sizeName |
| 235 | << "; ++_hidl_index) {\n"; |
| 236 | |
| 237 | out.indent(); |
| 238 | |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 239 | out << mElementType->getCppStackType(true /* specifyNamespaces */) |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 240 | << " _hidl_base;\n"; |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 241 | |
| 242 | mElementType->emitReaderWriter( |
| 243 | out, |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 244 | "_hidl_base", |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 245 | parcelObj, |
| 246 | parcelObjIsPointer, |
| 247 | isReader, |
| 248 | mode); |
| 249 | |
| 250 | out << name |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 251 | << "[_hidl_index] = _hidl_base;\n"; |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 252 | |
| 253 | out.unindent(); |
| 254 | out << "}\n"; |
| 255 | |
| 256 | out.unindent(); |
| 257 | out << "}\n"; |
| 258 | } else { |
| 259 | out << "_hidl_err = " |
| 260 | << parcelObjDeref |
| 261 | << "writeUint64(" |
| 262 | << name |
| 263 | << ".size());\n"; |
| 264 | |
| 265 | handleError(out, mode); |
| 266 | |
| 267 | out << "for (size_t _hidl_index = 0; _hidl_index < " |
| 268 | << name |
| 269 | << ".size(); ++_hidl_index) {\n"; |
| 270 | |
| 271 | out.indent(); |
| 272 | |
| 273 | mElementType->emitReaderWriter( |
| 274 | out, |
| 275 | name + "[_hidl_index]", |
| 276 | parcelObj, |
| 277 | parcelObjIsPointer, |
| 278 | isReader, |
| 279 | mode); |
| 280 | |
| 281 | out.unindent(); |
| 282 | out << "}\n"; |
| 283 | } |
| 284 | } |
| 285 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 286 | void VectorType::emitReaderWriterEmbedded( |
| 287 | Formatter &out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 288 | size_t depth, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 289 | const std::string &name, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 290 | const std::string &sanitizedName, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 291 | bool nameIsPointer, |
| 292 | const std::string &parcelObj, |
| 293 | bool parcelObjIsPointer, |
| 294 | bool isReader, |
| 295 | ErrorMode mode, |
| 296 | const std::string &parentName, |
| 297 | const std::string &offsetText) const { |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 298 | std::string baseType = getCppStackType(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 299 | |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 300 | const std::string childName = "_hidl_" + sanitizedName + "_child"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 301 | out << "size_t " << childName << ";\n\n"; |
| 302 | |
| 303 | emitReaderWriterEmbeddedForTypeName( |
| 304 | out, |
| 305 | name, |
| 306 | nameIsPointer, |
| 307 | parcelObj, |
| 308 | parcelObjIsPointer, |
| 309 | isReader, |
| 310 | mode, |
| 311 | parentName, |
| 312 | offsetText, |
| 313 | baseType, |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 314 | childName, |
| 315 | "::android::hardware"); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 316 | |
| 317 | if (!mElementType->needsEmbeddedReadWrite()) { |
| 318 | return; |
| 319 | } |
| 320 | |
| 321 | const std::string nameDeref = name + (nameIsPointer ? "->" : "."); |
| 322 | |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 323 | baseType = mElementType->getCppStackType(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 324 | |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 325 | std::string iteratorName = "_hidl_index_" + std::to_string(depth); |
| 326 | |
| 327 | out << "for (size_t " |
| 328 | << iteratorName |
| 329 | << " = 0; " |
| 330 | << iteratorName |
| 331 | << " < " |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 332 | << nameDeref |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 333 | << "size(); ++" |
| 334 | << iteratorName |
| 335 | << ") {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 336 | |
| 337 | out.indent(); |
| 338 | |
| 339 | mElementType->emitReaderWriterEmbedded( |
| 340 | out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 341 | depth + 1, |
| 342 | (nameIsPointer ? "(*" + name + ")" : name) |
| 343 | + "[" + iteratorName + "]", |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 344 | sanitizedName + (nameIsPointer ? "_deref" : "") + "_indexed", |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 345 | false /* nameIsPointer */, |
| 346 | parcelObj, |
| 347 | parcelObjIsPointer, |
| 348 | isReader, |
| 349 | mode, |
| 350 | childName, |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 351 | iteratorName + " * sizeof(" + baseType + ")"); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 352 | |
| 353 | out.unindent(); |
| 354 | |
| 355 | out << "}\n\n"; |
| 356 | } |
| 357 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 358 | void VectorType::emitResolveReferences( |
| 359 | Formatter &out, |
| 360 | const std::string &name, |
| 361 | bool nameIsPointer, |
| 362 | const std::string &parcelObj, |
| 363 | bool parcelObjIsPointer, |
| 364 | bool isReader, |
| 365 | ErrorMode mode) const { |
| 366 | emitResolveReferencesEmbeddedHelper( |
| 367 | out, |
| 368 | 0, /* depth */ |
| 369 | name, |
| 370 | name /* sanitizedName */, |
| 371 | nameIsPointer, |
| 372 | parcelObj, |
| 373 | parcelObjIsPointer, |
| 374 | isReader, |
| 375 | mode, |
| 376 | "_hidl_" + name + "_child", |
| 377 | "0 /* parentOffset */"); |
| 378 | } |
| 379 | |
| 380 | void VectorType::emitResolveReferencesEmbedded( |
| 381 | Formatter &out, |
| 382 | size_t depth, |
| 383 | const std::string &name, |
| 384 | const std::string &sanitizedName, |
| 385 | bool nameIsPointer, |
| 386 | const std::string &parcelObj, |
| 387 | bool parcelObjIsPointer, |
| 388 | bool isReader, |
| 389 | ErrorMode mode, |
| 390 | const std::string & /* parentName */, |
| 391 | const std::string & /* offsetText */) const { |
| 392 | emitResolveReferencesEmbeddedHelper( |
| 393 | out, depth, name, sanitizedName, nameIsPointer, parcelObj, |
| 394 | parcelObjIsPointer, isReader, mode, "", ""); |
| 395 | } |
| 396 | |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 397 | bool VectorType::useParentInEmitResolveReferencesEmbedded() const { |
| 398 | // parentName and offsetText is not used in emitResolveReferencesEmbedded |
| 399 | return false; |
| 400 | } |
| 401 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 402 | void VectorType::emitResolveReferencesEmbeddedHelper( |
| 403 | Formatter &out, |
| 404 | size_t depth, |
| 405 | const std::string &name, |
| 406 | const std::string &sanitizedName, |
| 407 | bool nameIsPointer, |
| 408 | const std::string &parcelObj, |
| 409 | bool parcelObjIsPointer, |
| 410 | bool isReader, |
| 411 | ErrorMode mode, |
| 412 | const std::string &childName, |
| 413 | const std::string &childOffsetText) const { |
| 414 | CHECK(needsResolveReferences() && mElementType->needsResolveReferences()); |
| 415 | |
| 416 | const std::string nameDeref = name + (nameIsPointer ? "->" : "."); |
Yifan Hong | 859e53f | 2016-11-14 19:08:24 -0800 | [diff] [blame] | 417 | const std::string nameDerefed = (nameIsPointer ? "*" : "") + name; |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 418 | std::string elementType = mElementType->getCppStackType(); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 419 | |
| 420 | std::string myChildName = childName, myChildOffset = childOffsetText; |
| 421 | |
| 422 | if(myChildName.empty() && myChildOffset.empty()) { |
| 423 | myChildName = "_hidl_" + sanitizedName + "_child"; |
| 424 | myChildOffset = "0"; |
| 425 | |
| 426 | out << "size_t " << myChildName << ";\n"; |
Yifan Hong | 859e53f | 2016-11-14 19:08:24 -0800 | [diff] [blame] | 427 | out << "_hidl_err = ::android::hardware::findInParcel(" |
| 428 | << nameDerefed << ", " |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 429 | << (parcelObjIsPointer ? "*" : "") << parcelObj << ", " |
| 430 | << "&" << myChildName |
| 431 | << ");\n"; |
| 432 | |
| 433 | handleError(out, mode); |
| 434 | } |
| 435 | |
| 436 | std::string iteratorName = "_hidl_index_" + std::to_string(depth); |
| 437 | |
| 438 | out << "for (size_t " |
| 439 | << iteratorName |
| 440 | << " = 0; " |
| 441 | << iteratorName |
| 442 | << " < " |
| 443 | << nameDeref |
| 444 | << "size(); ++" |
| 445 | << iteratorName |
| 446 | << ") {\n"; |
| 447 | |
| 448 | out.indent(); |
| 449 | |
| 450 | mElementType->emitResolveReferencesEmbedded( |
| 451 | out, |
| 452 | depth + 1, |
| 453 | (nameIsPointer ? "(*" + name + ")" : name) + "[" + iteratorName + "]", |
| 454 | sanitizedName + (nameIsPointer ? "_deref" : "") + "_indexed", |
| 455 | false /* nameIsPointer */, |
| 456 | parcelObj, |
| 457 | parcelObjIsPointer, |
| 458 | isReader, |
| 459 | mode, |
| 460 | myChildName, |
| 461 | myChildOffset + " + " + |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 462 | iteratorName + " * sizeof(" + elementType + ")"); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 463 | |
| 464 | out.unindent(); |
| 465 | |
| 466 | out << "}\n\n"; |
| 467 | } |
| 468 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 469 | void VectorType::emitJavaReaderWriter( |
| 470 | Formatter &out, |
| 471 | const std::string &parcelObj, |
| 472 | const std::string &argName, |
| 473 | bool isReader) const { |
| 474 | if (mElementType->isCompoundType()) { |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 475 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 476 | if (isReader) { |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 477 | out << mElementType->getJavaType() |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 478 | << ".readVectorFromParcel(" |
| 479 | << parcelObj |
| 480 | << ");\n"; |
| 481 | } else { |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 482 | out << mElementType->getJavaType() |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 483 | << ".writeVectorToParcel(" |
| 484 | << parcelObj |
| 485 | << ", " |
| 486 | << argName |
| 487 | << ");\n"; |
| 488 | } |
| 489 | |
| 490 | return; |
| 491 | } |
| 492 | |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 493 | if (mElementType->isArray()) { |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 494 | size_t align, size; |
| 495 | getAlignmentAndSize(&align, &size); |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 496 | if (isReader) { |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 497 | out << " new " |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 498 | << getJavaType(false /* forInitializer */) |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 499 | << "();\n"; |
| 500 | } |
| 501 | |
| 502 | out << "{\n"; |
| 503 | out.indent(); |
| 504 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 505 | out << "android.os.HwBlob _hidl_blob = "; |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 506 | |
| 507 | if (isReader) { |
| 508 | out << parcelObj |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 509 | << ".readBuffer(" |
| 510 | << size |
| 511 | << " /* size */);\n"; |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 512 | } else { |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 513 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 514 | out << "new android.os.HwBlob(" |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 515 | << size |
| 516 | << " /* size */);\n"; |
| 517 | } |
| 518 | |
| 519 | emitJavaFieldReaderWriter( |
| 520 | out, |
| 521 | 0 /* depth */, |
| 522 | parcelObj, |
| 523 | "_hidl_blob", |
| 524 | argName, |
| 525 | "0 /* offset */", |
| 526 | isReader); |
| 527 | |
| 528 | if (!isReader) { |
| 529 | out << parcelObj << ".writeBuffer(_hidl_blob);\n"; |
| 530 | }; |
| 531 | |
| 532 | out.unindent(); |
| 533 | out << "}\n"; |
| 534 | |
| 535 | return; |
| 536 | } |
| 537 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 538 | emitJavaReaderWriterWithSuffix( |
| 539 | out, |
| 540 | parcelObj, |
| 541 | argName, |
| 542 | isReader, |
| 543 | mElementType->getJavaSuffix() + "Vector", |
| 544 | "" /* extra */); |
| 545 | } |
| 546 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 547 | void VectorType::emitJavaFieldInitializer( |
| 548 | Formatter &out, const std::string &fieldName) const { |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 549 | std::string javaType = getJavaType(false /* forInitializer */); |
Andreas Huber | f03332a | 2016-09-22 15:35:43 -0700 | [diff] [blame] | 550 | |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 551 | out << "final " |
| 552 | << javaType |
| 553 | << " " |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 554 | << fieldName |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 555 | << " = new " |
| 556 | << javaType |
| 557 | << "();\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 558 | } |
| 559 | |
| 560 | void VectorType::emitJavaFieldReaderWriter( |
| 561 | Formatter &out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 562 | size_t depth, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 563 | const std::string &parcelName, |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 564 | const std::string &blobName, |
| 565 | const std::string &fieldName, |
| 566 | const std::string &offset, |
| 567 | bool isReader) const { |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 568 | VectorType::EmitJavaFieldReaderWriterForElementType( |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 569 | out, |
| 570 | depth, |
| 571 | mElementType, |
| 572 | parcelName, |
| 573 | blobName, |
| 574 | fieldName, |
| 575 | offset, |
| 576 | isReader); |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 577 | } |
| 578 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 579 | void VectorType::EmitJavaFieldReaderWriterForElementType( |
| 580 | Formatter &out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 581 | size_t depth, |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 582 | const Type *elementType, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 583 | const std::string &parcelName, |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 584 | const std::string &blobName, |
| 585 | const std::string &fieldName, |
| 586 | const std::string &offset, |
| 587 | bool isReader) { |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 588 | size_t elementAlign, elementSize; |
| 589 | elementType->getAlignmentAndSize(&elementAlign, &elementSize); |
| 590 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 591 | if (isReader) { |
| 592 | out << "{\n"; |
| 593 | out.indent(); |
| 594 | |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 595 | out << "int _hidl_vec_size = " |
| 596 | << blobName |
| 597 | << ".getInt32(" |
| 598 | << offset |
| 599 | << " + 8 /* offsetof(hidl_vec<T>, mSize) */);\n"; |
| 600 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 601 | out << "android.os.HwBlob childBlob = " |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 602 | << parcelName |
| 603 | << ".readEmbeddedBuffer(\n"; |
| 604 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 605 | out.indent(); |
| 606 | out.indent(); |
| 607 | |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 608 | out << "_hidl_vec_size * " |
| 609 | << elementSize << "," |
| 610 | << blobName |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 611 | << ".handle(),\n" |
| 612 | << offset |
Martijn Coenen | 011bb06 | 2017-01-13 11:09:41 +0100 | [diff] [blame] | 613 | << " + 0 /* offsetof(hidl_vec<T>, mBuffer) */," |
| 614 | << "true /* nullable */);\n\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 615 | |
| 616 | out.unindent(); |
| 617 | out.unindent(); |
| 618 | |
| 619 | out << fieldName << ".clear();\n"; |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 620 | std::string iteratorName = "_hidl_index_" + std::to_string(depth); |
| 621 | |
| 622 | out << "for (int " |
| 623 | << iteratorName |
| 624 | << " = 0; " |
| 625 | << iteratorName |
| 626 | << " < _hidl_vec_size; " |
| 627 | << "++" |
| 628 | << iteratorName |
| 629 | << ") {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 630 | |
| 631 | out.indent(); |
| 632 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 633 | elementType->emitJavaFieldInitializer(out, "_hidl_vec_element"); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 634 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 635 | elementType->emitJavaFieldReaderWriter( |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 636 | out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 637 | depth + 1, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 638 | parcelName, |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 639 | "childBlob", |
| 640 | "_hidl_vec_element", |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 641 | iteratorName + " * " + std::to_string(elementSize), |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 642 | true /* isReader */); |
| 643 | |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 644 | out << fieldName |
| 645 | << ".add(_hidl_vec_element);\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 646 | |
| 647 | out.unindent(); |
| 648 | |
| 649 | out << "}\n"; |
| 650 | |
| 651 | out.unindent(); |
| 652 | out << "}\n"; |
| 653 | |
| 654 | return; |
| 655 | } |
| 656 | |
| 657 | out << "{\n"; |
| 658 | out.indent(); |
| 659 | |
Pavel Maltsev | cfa7934 | 2016-11-21 22:50:18 -0800 | [diff] [blame] | 660 | out << "int _hidl_vec_size = " |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 661 | << fieldName |
| 662 | << ".size();\n"; |
| 663 | |
| 664 | out << blobName |
Pavel Maltsev | cfa7934 | 2016-11-21 22:50:18 -0800 | [diff] [blame] | 665 | << ".putInt32(" |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 666 | << offset |
| 667 | << " + 8 /* offsetof(hidl_vec<T>, mSize) */, _hidl_vec_size);\n"; |
| 668 | |
| 669 | out << blobName |
| 670 | << ".putBool(" |
| 671 | << offset |
Pavel Maltsev | cfa7934 | 2016-11-21 22:50:18 -0800 | [diff] [blame] | 672 | << " + 12 /* offsetof(hidl_vec<T>, mOwnsBuffer) */, false);\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 673 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 674 | // XXX make HwBlob constructor take a long instead of an int? |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 675 | 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] | 676 | << elementSize |
| 677 | << "));\n"; |
| 678 | |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 679 | std::string iteratorName = "_hidl_index_" + std::to_string(depth); |
| 680 | |
| 681 | out << "for (int " |
| 682 | << iteratorName |
| 683 | << " = 0; " |
| 684 | << iteratorName |
| 685 | << " < _hidl_vec_size; " |
| 686 | << "++" |
| 687 | << iteratorName |
| 688 | << ") {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 689 | |
| 690 | out.indent(); |
| 691 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 692 | elementType->emitJavaFieldReaderWriter( |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 693 | out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 694 | depth + 1, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 695 | parcelName, |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 696 | "childBlob", |
Andreas Huber | f1abc2a | 2016-09-28 09:14:43 -0700 | [diff] [blame] | 697 | fieldName + ".get(" + iteratorName + ")", |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 698 | iteratorName + " * " + std::to_string(elementSize), |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 699 | false /* isReader */); |
| 700 | |
| 701 | out.unindent(); |
| 702 | |
| 703 | out << "}\n"; |
| 704 | |
| 705 | out << blobName |
| 706 | << ".putBlob(" |
| 707 | << offset |
| 708 | << " + 0 /* offsetof(hidl_vec<T>, mBuffer) */, childBlob);\n"; |
| 709 | |
| 710 | out.unindent(); |
| 711 | out << "}\n"; |
| 712 | } |
| 713 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 714 | bool VectorType::needsEmbeddedReadWrite() const { |
| 715 | return true; |
| 716 | } |
| 717 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 718 | bool VectorType::needsResolveReferences() const { |
| 719 | return mElementType->needsResolveReferences(); |
| 720 | } |
| 721 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 722 | bool VectorType::resultNeedsDeref() const { |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 723 | return !isVectorOfBinders(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 724 | } |
| 725 | |
Andreas Huber | 70a59e1 | 2016-08-16 12:57:01 -0700 | [diff] [blame] | 726 | bool VectorType::isJavaCompatible() const { |
Andreas Huber | f03332a | 2016-09-22 15:35:43 -0700 | [diff] [blame] | 727 | if (!mElementType->isJavaCompatible()) { |
| 728 | return false; |
| 729 | } |
| 730 | |
| 731 | if (mElementType->isArray()) { |
Timur Iskhakov | 505316c | 2017-08-05 03:38:59 +0000 | [diff] [blame] | 732 | return static_cast<ArrayType*>(mElementType.get())->countDimensions() == 1; |
Andreas Huber | f03332a | 2016-09-22 15:35:43 -0700 | [diff] [blame] | 733 | } |
| 734 | |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 735 | if (mElementType->isVector()) { |
| 736 | return false; |
| 737 | } |
| 738 | |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 739 | if (isVectorOfBinders()) { |
| 740 | return false; |
| 741 | } |
| 742 | |
Andreas Huber | f03332a | 2016-09-22 15:35:43 -0700 | [diff] [blame] | 743 | return true; |
Andreas Huber | 70a59e1 | 2016-08-16 12:57:01 -0700 | [diff] [blame] | 744 | } |
| 745 | |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 746 | bool VectorType::containsPointer() const { |
| 747 | return mElementType->containsPointer(); |
| 748 | } |
| 749 | |
Andreas Huber | 6755e9d | 2017-04-06 11:09:07 -0700 | [diff] [blame] | 750 | // All hidl_vec<T> have the same size. |
| 751 | static HidlTypeAssertion assertion("hidl_vec<char>", 16 /* size */); |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 752 | |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 753 | void VectorType::getAlignmentAndSizeStatic(size_t *align, size_t *size) { |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 754 | *align = 8; // hidl_vec<T> |
Andreas Huber | 6755e9d | 2017-04-06 11:09:07 -0700 | [diff] [blame] | 755 | *size = assertion.size(); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 756 | } |
| 757 | |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 758 | void VectorType::getAlignmentAndSize(size_t *align, size_t *size) const { |
| 759 | VectorType::getAlignmentAndSizeStatic(align, size); |
| 760 | } |
| 761 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 762 | } // namespace android |
| 763 | |