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