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