Andreas Huber | 1aec397 | 2016-08-26 09:26:32 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 17 | #include "CompoundType.h" |
| 18 | |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 19 | #include "ArrayType.h" |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 20 | #include "ScalarType.h" |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 21 | #include "VectorType.h" |
Timur Iskhakov | cec46c4 | 2017-08-09 00:22:02 -0700 | [diff] [blame] | 22 | |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 23 | #include <android-base/logging.h> |
Timur Iskhakov | cec46c4 | 2017-08-09 00:22:02 -0700 | [diff] [blame] | 24 | #include <hidl-util/Formatter.h> |
Timur Iskhakov | e8ee6a0 | 2017-09-06 11:42:10 -0700 | [diff] [blame] | 25 | #include <iostream> |
Timur Iskhakov | cec46c4 | 2017-08-09 00:22:02 -0700 | [diff] [blame] | 26 | #include <unordered_set> |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 27 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 28 | namespace android { |
| 29 | |
Timur Iskhakov | 565b013 | 2017-09-06 18:07:11 -0700 | [diff] [blame] | 30 | CompoundType::CompoundType(Style style, const char* localName, const FQName& fullName, |
| 31 | const Location& location, Scope* parent) |
| 32 | : Scope(localName, fullName, location, parent), mStyle(style), mFields(NULL) {} |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 33 | |
Yifan Hong | 27e85db | 2016-11-09 15:45:52 -0800 | [diff] [blame] | 34 | CompoundType::Style CompoundType::style() const { |
| 35 | return mStyle; |
| 36 | } |
| 37 | |
Timur Iskhakov | cec46c4 | 2017-08-09 00:22:02 -0700 | [diff] [blame] | 38 | void CompoundType::setFields(std::vector<NamedReference<Type>*>* fields) { |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 39 | mFields = fields; |
Timur Iskhakov | cec46c4 | 2017-08-09 00:22:02 -0700 | [diff] [blame] | 40 | } |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 41 | |
Timur Iskhakov | b58f418 | 2017-08-29 15:19:24 -0700 | [diff] [blame] | 42 | std::vector<const Reference<Type>*> CompoundType::getReferences() const { |
| 43 | std::vector<const Reference<Type>*> ret; |
| 44 | ret.insert(ret.begin(), mFields->begin(), mFields->end()); |
Timur Iskhakov | 33431e6 | 2017-08-21 17:31:23 -0700 | [diff] [blame] | 45 | return ret; |
Timur Iskhakov | cec46c4 | 2017-08-09 00:22:02 -0700 | [diff] [blame] | 46 | } |
| 47 | |
| 48 | status_t CompoundType::validate() const { |
| 49 | for (const auto* field : *mFields) { |
Timur Iskhakov | cec46c4 | 2017-08-09 00:22:02 -0700 | [diff] [blame] | 50 | const Type& type = field->type(); |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 51 | |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 52 | if ((type.isVector() && static_cast<const VectorType*>(&type)->isVectorOfBinders())) { |
Steven Moreland | d927e5c | 2018-07-10 16:03:43 -0700 | [diff] [blame] | 53 | std::cerr << "ERROR: Struct/union cannot contain vectors of interfaces at " |
Timur Iskhakov | cec46c4 | 2017-08-09 00:22:02 -0700 | [diff] [blame] | 54 | << field->location() << "\n"; |
| 55 | return UNKNOWN_ERROR; |
Andreas Huber | b95ea8a | 2016-08-15 15:35:42 -0700 | [diff] [blame] | 56 | } |
| 57 | |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 58 | if (mStyle == STYLE_UNION) { |
Steven Moreland | d927e5c | 2018-07-10 16:03:43 -0700 | [diff] [blame] | 59 | if (type.isBinder()) { |
| 60 | std::cerr << "ERROR: Union cannot contain interfaces at " << field->location() |
| 61 | << "\n"; |
| 62 | return UNKNOWN_ERROR; |
| 63 | } |
| 64 | |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 65 | if (type.needsEmbeddedReadWrite()) { |
Timur Iskhakov | cec46c4 | 2017-08-09 00:22:02 -0700 | [diff] [blame] | 66 | std::cerr << "ERROR: Union must not contain any types that need fixup at " |
| 67 | << field->location() << "\n"; |
| 68 | return UNKNOWN_ERROR; |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 69 | } |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 70 | } |
| 71 | } |
| 72 | |
Timur Iskhakov | cec46c4 | 2017-08-09 00:22:02 -0700 | [diff] [blame] | 73 | status_t err = validateUniqueNames(); |
| 74 | if (err != OK) return err; |
| 75 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 76 | err = validateSubTypeNames(); |
| 77 | if (err != OK) return err; |
| 78 | |
Timur Iskhakov | cec46c4 | 2017-08-09 00:22:02 -0700 | [diff] [blame] | 79 | return Scope::validate(); |
| 80 | } |
| 81 | |
| 82 | status_t CompoundType::validateUniqueNames() const { |
| 83 | std::unordered_set<std::string> names; |
| 84 | |
| 85 | for (const auto* field : *mFields) { |
| 86 | if (names.find(field->name()) != names.end()) { |
| 87 | std::cerr << "ERROR: Redefinition of field '" << field->name() << "' at " |
| 88 | << field->location() << "\n"; |
| 89 | return UNKNOWN_ERROR; |
| 90 | } |
| 91 | names.insert(field->name()); |
| 92 | } |
| 93 | |
| 94 | return OK; |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 95 | } |
| 96 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 97 | void CompoundType::emitInvalidSubTypeNamesError(const std::string& subTypeName, |
| 98 | const Location& location) const { |
| 99 | std::cerr << "ERROR: Type name '" << subTypeName << "' defined at " |
| 100 | << location << " conflicts with a member function of " |
| 101 | << "safe_union " << localName() << ". Consider renaming or " |
| 102 | << "moving its definition outside the safe_union scope.\n"; |
| 103 | } |
| 104 | |
| 105 | status_t CompoundType::validateSubTypeNames() const { |
| 106 | if (mStyle != STYLE_SAFE_UNION) { return OK; } |
| 107 | const auto& subTypes = Scope::getSubTypes(); |
| 108 | |
| 109 | for (const auto& subType : subTypes) { |
| 110 | if (subType->localName() == "getDiscriminator") { |
| 111 | emitInvalidSubTypeNamesError(subType->localName(), |
| 112 | subType->location()); |
| 113 | return UNKNOWN_ERROR; |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | return OK; |
| 118 | } |
| 119 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 120 | bool CompoundType::isCompoundType() const { |
| 121 | return true; |
| 122 | } |
| 123 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 124 | bool CompoundType::deepCanCheckEquality(std::unordered_set<const Type*>* visited) const { |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 125 | if (mStyle == STYLE_UNION) { |
| 126 | return false; |
| 127 | } |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 128 | for (const auto* field : *mFields) { |
| 129 | if (!field->get()->canCheckEquality(visited)) { |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 130 | return false; |
| 131 | } |
| 132 | } |
| 133 | return true; |
| 134 | } |
| 135 | |
Steven Moreland | 0ecc7b8 | 2017-07-19 12:59:23 -0700 | [diff] [blame] | 136 | std::string CompoundType::typeName() const { |
| 137 | switch (mStyle) { |
| 138 | case STYLE_STRUCT: { |
| 139 | return "struct " + localName(); |
| 140 | } |
| 141 | case STYLE_UNION: { |
| 142 | return "union " + localName(); |
| 143 | } |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 144 | case STYLE_SAFE_UNION: { |
| 145 | return "safe_union " + localName(); |
| 146 | } |
Steven Moreland | 0ecc7b8 | 2017-07-19 12:59:23 -0700 | [diff] [blame] | 147 | } |
| 148 | CHECK(!"Should not be here"); |
| 149 | } |
| 150 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 151 | std::string CompoundType::getCppType( |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 152 | StorageMode mode, |
Steven Moreland | e30ee9b | 2017-05-09 13:31:01 -0700 | [diff] [blame] | 153 | bool /* specifyNamespaces */) const { |
| 154 | const std::string base = fullName(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 155 | |
| 156 | switch (mode) { |
| 157 | case StorageMode_Stack: |
| 158 | return base; |
| 159 | |
| 160 | case StorageMode_Argument: |
| 161 | return "const " + base + "&"; |
| 162 | |
| 163 | case StorageMode_Result: |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 164 | return base + (containsInterface()?"":"*"); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 165 | } |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 166 | CHECK(!"Should not be here"); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 167 | } |
| 168 | |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 169 | std::string CompoundType::getJavaType(bool /* forInitializer */) const { |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 170 | return fullJavaName(); |
| 171 | } |
| 172 | |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 173 | std::string CompoundType::getVtsType() const { |
| 174 | switch (mStyle) { |
| 175 | case STYLE_STRUCT: |
| 176 | { |
| 177 | return "TYPE_STRUCT"; |
| 178 | } |
| 179 | case STYLE_UNION: |
| 180 | { |
| 181 | return "TYPE_UNION"; |
| 182 | } |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 183 | case STYLE_SAFE_UNION: |
| 184 | { |
| 185 | return "TYPE_SAFE_UNION"; |
| 186 | } |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 187 | } |
Steven Moreland | 0ecc7b8 | 2017-07-19 12:59:23 -0700 | [diff] [blame] | 188 | CHECK(!"Should not be here"); |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 189 | } |
| 190 | |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 191 | bool CompoundType::containsInterface() const { |
| 192 | for (const auto& field : *mFields) { |
| 193 | if (field->type().isCompoundType()) { |
| 194 | const Type& t = field->type(); |
| 195 | const CompoundType* ct = static_cast<const CompoundType*>(&t); |
| 196 | if (ct->containsInterface()) { |
| 197 | return true; |
| 198 | } |
| 199 | } |
| 200 | if (field->type().isInterface()) { |
| 201 | return true; |
| 202 | } |
| 203 | } |
| 204 | return false; |
| 205 | } |
| 206 | |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 207 | void CompoundType::emitSafeUnionReaderWriterForInterfaces( |
| 208 | Formatter &out, |
| 209 | const std::string &name, |
| 210 | const std::string &parcelObj, |
| 211 | bool parcelObjIsPointer, |
| 212 | bool isReader, |
| 213 | ErrorMode mode) const { |
| 214 | |
| 215 | CHECK(mStyle == STYLE_SAFE_UNION); |
| 216 | if (mFields->empty()) { return; } |
| 217 | |
| 218 | out.block([&] { |
| 219 | const auto discriminatorType = getUnionDiscriminatorType(); |
| 220 | if (isReader) { |
| 221 | out << discriminatorType->getCppStackType() |
| 222 | << " _hidl_d_primitive;\n"; |
| 223 | } else { |
| 224 | out << "const " |
| 225 | << discriminatorType->getCppStackType() |
| 226 | << " _hidl_d_primitive = " |
| 227 | << discriminatorType->getCppTypeCast(name + ".getDiscriminator()") |
| 228 | << ";\n"; |
| 229 | } |
| 230 | |
| 231 | getUnionDiscriminatorType()->emitReaderWriter(out, "_hidl_d_primitive", parcelObj, |
| 232 | parcelObjIsPointer, isReader, mode); |
| 233 | out << "switch ((" |
| 234 | << fullName() |
| 235 | << "::hidl_discriminator) _hidl_d_primitive) "; |
| 236 | |
| 237 | out.block([&] { |
| 238 | for (const auto& field : *mFields) { |
| 239 | out << "case " |
| 240 | << fullName() |
| 241 | << "::hidl_discriminator::" |
| 242 | << field->name() |
| 243 | << ": "; |
| 244 | |
| 245 | const std::string tempFieldName = "_hidl_temp_" + field->name(); |
| 246 | out.block([&] { |
| 247 | if (isReader) { |
| 248 | out << field->type().getCppResultType() |
| 249 | << " " |
| 250 | << tempFieldName |
| 251 | << ";\n"; |
| 252 | |
| 253 | field->type().emitReaderWriter(out, tempFieldName, parcelObj, |
| 254 | parcelObjIsPointer, isReader, mode); |
| 255 | |
| 256 | const std::string derefOperator = field->type().resultNeedsDeref() |
| 257 | ? "*" : ""; |
| 258 | out << name |
| 259 | << "." |
| 260 | << field->name() |
| 261 | << "(" |
| 262 | << derefOperator |
| 263 | << tempFieldName |
| 264 | << ");\n"; |
| 265 | } else { |
| 266 | const std::string fieldValue = name + "." + field->name() + "()"; |
| 267 | out << field->type().getCppArgumentType() |
| 268 | << " " |
| 269 | << tempFieldName |
| 270 | << " = " |
| 271 | << fieldValue |
| 272 | << ";\n"; |
| 273 | |
| 274 | field->type().emitReaderWriter(out, tempFieldName, parcelObj, |
| 275 | parcelObjIsPointer, isReader, mode); |
| 276 | } |
| 277 | out << "break;\n"; |
| 278 | }).endl(); |
| 279 | } |
| 280 | |
| 281 | out << "case " << fullName() << "::hidl_discriminator::" |
| 282 | << "hidl_no_init: "; |
| 283 | |
| 284 | out.block([&] { |
| 285 | out << "break;\n"; |
| 286 | }).endl(); |
| 287 | |
| 288 | out << "default: "; |
| 289 | out.block([&] { |
| 290 | out << "details::logAlwaysFatal(\"Unknown union discriminator.\");\n"; |
| 291 | }).endl(); |
| 292 | }).endl(); |
| 293 | }).endl(); |
| 294 | } |
| 295 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 296 | void CompoundType::emitReaderWriter( |
| 297 | Formatter &out, |
| 298 | const std::string &name, |
| 299 | const std::string &parcelObj, |
| 300 | bool parcelObjIsPointer, |
| 301 | bool isReader, |
| 302 | ErrorMode mode) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 303 | |
| 304 | const std::string parcelObjDeref = |
| 305 | parcelObj + (parcelObjIsPointer ? "->" : "."); |
| 306 | |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 307 | if(containsInterface()){ |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 308 | if (mStyle == STYLE_SAFE_UNION) { |
| 309 | emitSafeUnionReaderWriterForInterfaces(out, name, parcelObj, |
| 310 | parcelObjIsPointer, |
| 311 | isReader, mode); |
| 312 | return; |
| 313 | } |
| 314 | |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 315 | for (const auto& field : *mFields) { |
Nirav Atre | 1d56562 | 2018-07-13 15:41:21 -0700 | [diff] [blame^] | 316 | const std::string tempFieldName = "_hidl_temp_" + field->name(); |
| 317 | const std::string fieldValue = name + "." + field->name(); |
| 318 | |
| 319 | out.block([&] { |
| 320 | if (isReader) { |
| 321 | out << field->type().getCppResultType() |
| 322 | << " " |
| 323 | << tempFieldName |
| 324 | << ";\n"; |
| 325 | } else { |
| 326 | out << field->type().getCppArgumentType() |
| 327 | << " " |
| 328 | << tempFieldName |
| 329 | << " = " |
| 330 | << fieldValue |
| 331 | << ";\n"; |
| 332 | } |
| 333 | |
| 334 | field->type().emitReaderWriter(out, tempFieldName, parcelObj, |
| 335 | parcelObjIsPointer, isReader, mode); |
| 336 | if (isReader) { |
| 337 | const std::string derefOperator = field->type().resultNeedsDeref() |
| 338 | ? "*" : ""; |
| 339 | out << fieldValue |
| 340 | << " = std::move(" |
| 341 | << derefOperator |
| 342 | << tempFieldName |
| 343 | << ");\n"; |
| 344 | } |
| 345 | }).endl(); |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 346 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 347 | } else { |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 348 | const std::string parentName = "_hidl_" + name + "_parent"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 349 | |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 350 | out << "size_t " << parentName << ";\n\n"; |
| 351 | |
| 352 | if (isReader) { |
| 353 | out << "_hidl_err = " << parcelObjDeref << "readBuffer(" |
| 354 | << "sizeof(*" << name << "), &" << parentName << ", " |
| 355 | << " const_cast<const void**>(reinterpret_cast<void **>(" |
| 356 | << "&" << name << ")));\n"; |
| 357 | handleError(out, mode); |
| 358 | } else { |
| 359 | out << "_hidl_err = " |
| 360 | << parcelObjDeref |
| 361 | << "writeBuffer(&" |
| 362 | << name |
| 363 | << ", sizeof(" |
| 364 | << name |
| 365 | << "), &" |
| 366 | << parentName |
| 367 | << ");\n"; |
| 368 | handleError(out, mode); |
| 369 | } |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 370 | |
| 371 | bool needEmbeddedReadWrite = needsEmbeddedReadWrite(); |
| 372 | CHECK(mStyle != STYLE_UNION || !needEmbeddedReadWrite); |
| 373 | |
| 374 | if (needEmbeddedReadWrite) { |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 375 | emitReaderWriterEmbedded(out, 0 /* depth */, name, name, /* sanitizedName */ |
| 376 | isReader /* nameIsPointer */, parcelObj, parcelObjIsPointer, |
| 377 | isReader, mode, parentName, "0 /* parentOffset */"); |
| 378 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 379 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 380 | } |
| 381 | |
| 382 | void CompoundType::emitReaderWriterEmbedded( |
| 383 | Formatter &out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 384 | size_t /* depth */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 385 | const std::string &name, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 386 | const std::string & /*sanitizedName */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 387 | bool nameIsPointer, |
| 388 | const std::string &parcelObj, |
| 389 | bool parcelObjIsPointer, |
| 390 | bool isReader, |
| 391 | ErrorMode mode, |
| 392 | const std::string &parentName, |
| 393 | const std::string &offsetText) const { |
| 394 | emitReaderWriterEmbeddedForTypeName( |
| 395 | out, |
| 396 | name, |
| 397 | nameIsPointer, |
| 398 | parcelObj, |
| 399 | parcelObjIsPointer, |
| 400 | isReader, |
| 401 | mode, |
| 402 | parentName, |
| 403 | offsetText, |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 404 | fullName(), |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 405 | "" /* childName */, |
| 406 | "" /* namespace */); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 407 | } |
| 408 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 409 | void CompoundType::emitJavaReaderWriter( |
| 410 | Formatter &out, |
| 411 | const std::string &parcelObj, |
| 412 | const std::string &argName, |
| 413 | bool isReader) const { |
| 414 | if (isReader) { |
| 415 | out << "new " << fullJavaName() << "();\n"; |
| 416 | } |
| 417 | |
| 418 | out << argName |
| 419 | << "." |
| 420 | << (isReader ? "readFromParcel" : "writeToParcel") |
| 421 | << "(" |
| 422 | << parcelObj |
| 423 | << ");\n"; |
| 424 | } |
| 425 | |
| 426 | void CompoundType::emitJavaFieldInitializer( |
| 427 | Formatter &out, const std::string &fieldName) const { |
Nirav Atre | 1d56562 | 2018-07-13 15:41:21 -0700 | [diff] [blame^] | 428 | const std::string fieldDeclaration = fullJavaName() + " " + fieldName; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 429 | emitJavaFieldDefaultInitialValue(out, fieldDeclaration); |
| 430 | } |
| 431 | |
| 432 | void CompoundType::emitJavaFieldDefaultInitialValue( |
| 433 | Formatter &out, const std::string &declaredFieldName) const { |
| 434 | out << declaredFieldName |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 435 | << " = new " |
| 436 | << fullJavaName() |
| 437 | << "();\n"; |
| 438 | } |
| 439 | |
| 440 | void CompoundType::emitJavaFieldReaderWriter( |
| 441 | Formatter &out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 442 | size_t /* depth */, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 443 | const std::string &parcelName, |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 444 | const std::string &blobName, |
| 445 | const std::string &fieldName, |
| 446 | const std::string &offset, |
| 447 | bool isReader) const { |
| 448 | if (isReader) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 449 | out << "(" |
| 450 | << getJavaTypeCast(fieldName) |
| 451 | << ").readEmbeddedFromParcel(" |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 452 | << parcelName |
| 453 | << ", " |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 454 | << blobName |
| 455 | << ", " |
| 456 | << offset |
| 457 | << ");\n"; |
| 458 | |
| 459 | return; |
| 460 | } |
| 461 | |
| 462 | out << fieldName |
| 463 | << ".writeEmbeddedToBlob(" |
| 464 | << blobName |
| 465 | << ", " |
| 466 | << offset |
| 467 | << ");\n"; |
| 468 | } |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 469 | void CompoundType::emitResolveReferences( |
| 470 | Formatter &out, |
| 471 | const std::string &name, |
| 472 | bool nameIsPointer, |
| 473 | const std::string &parcelObj, |
| 474 | bool parcelObjIsPointer, |
| 475 | bool isReader, |
| 476 | ErrorMode mode) const { |
| 477 | emitResolveReferencesEmbedded( |
| 478 | out, |
| 479 | 0 /* depth */, |
| 480 | name, |
| 481 | name /* sanitizedName */, |
| 482 | nameIsPointer, |
| 483 | parcelObj, |
| 484 | parcelObjIsPointer, |
| 485 | isReader, |
| 486 | mode, |
| 487 | "_hidl_" + name + "_parent", |
| 488 | "0 /* parentOffset */"); |
| 489 | } |
| 490 | |
| 491 | void CompoundType::emitResolveReferencesEmbedded( |
| 492 | Formatter &out, |
| 493 | size_t /* depth */, |
| 494 | const std::string &name, |
| 495 | const std::string &/* sanitizedName */, |
| 496 | bool nameIsPointer, |
| 497 | const std::string &parcelObj, |
| 498 | bool parcelObjIsPointer, |
| 499 | bool isReader, |
| 500 | ErrorMode mode, |
| 501 | const std::string &parentName, |
| 502 | const std::string &offsetText) const { |
| 503 | CHECK(needsResolveReferences()); |
| 504 | |
| 505 | const std::string parcelObjDeref = |
| 506 | parcelObjIsPointer ? ("*" + parcelObj) : parcelObj; |
| 507 | |
| 508 | const std::string parcelObjPointer = |
| 509 | parcelObjIsPointer ? parcelObj : ("&" + parcelObj); |
| 510 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 511 | const std::string nameDerefed = nameIsPointer ? ("*" + name) : name; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 512 | const std::string namePointer = nameIsPointer ? name : ("&" + name); |
| 513 | |
| 514 | out << "_hidl_err = "; |
| 515 | |
| 516 | if (isReader) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 517 | out << "readEmbeddedReferenceFromParcel(\n"; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 518 | } else { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 519 | out << "writeEmbeddedReferenceToParcel(\n"; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 520 | } |
| 521 | |
Yifan Hong | 33223ca | 2016-12-13 15:07:35 -0800 | [diff] [blame] | 522 | out.indent(2, [&]{ |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 523 | if (isReader) { |
| 524 | out << "const_cast<" |
| 525 | << fullName() |
| 526 | << " *" |
| 527 | << ">(" |
| 528 | << namePointer |
| 529 | << "),\n" |
| 530 | << parcelObjDeref; |
| 531 | } else { |
| 532 | out << nameDerefed |
| 533 | << ",\n" |
| 534 | << parcelObjPointer; |
| 535 | } |
| 536 | |
| 537 | out << ",\n" |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 538 | << parentName |
| 539 | << ",\n" |
| 540 | << offsetText |
| 541 | << ");\n\n"; |
| 542 | }); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 543 | |
| 544 | handleError(out, mode); |
| 545 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 546 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 547 | void CompoundType::emitLayoutAsserts(Formatter& out, const Layout& layout, |
| 548 | const std::string& layoutName) const { |
| 549 | out << "static_assert(sizeof(" |
| 550 | << fullName() |
| 551 | << layoutName |
| 552 | << ") == " |
| 553 | << layout.size |
| 554 | << ", \"wrong size\");\n"; |
| 555 | |
| 556 | out << "static_assert(__alignof(" |
| 557 | << fullName() |
| 558 | << layoutName |
| 559 | << ") == " |
| 560 | << layout.align |
| 561 | << ", \"wrong alignment\");\n"; |
| 562 | } |
| 563 | |
| 564 | void CompoundType::emitSafeUnionTypeDeclarations(Formatter& out) const { |
| 565 | out << "struct " |
| 566 | << localName() |
| 567 | << " final {\n"; |
| 568 | |
| 569 | out.indent(); |
| 570 | |
| 571 | Scope::emitTypeDeclarations(out); |
| 572 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 573 | bool hasPointer = containsPointer(); |
| 574 | CompoundLayout layout = hasPointer |
| 575 | ? CompoundLayout() |
| 576 | : getCompoundAlignmentAndSize(); |
| 577 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 578 | if (mFields->empty()) { |
| 579 | out.unindent(); |
| 580 | out << "};\n\n"; |
| 581 | |
| 582 | emitLayoutAsserts(out, layout.overall, ""); |
| 583 | out << "\n"; |
| 584 | return; |
| 585 | } |
| 586 | |
| 587 | out << "enum class hidl_discriminator : " |
| 588 | << getUnionDiscriminatorType()->getCppType(StorageMode_Stack, false) |
| 589 | << " "; |
| 590 | |
| 591 | out.block([&] { |
| 592 | for (const auto& field : *mFields) { |
| 593 | out << field->name() << ",\n"; |
| 594 | } |
| 595 | out << "hidl_no_init\n"; |
| 596 | }); |
| 597 | out << ";\n\n"; |
| 598 | |
| 599 | out << localName() << "();\n" |
| 600 | << "~" << localName() << "();\n" |
| 601 | << localName() << "(const " << localName() << "&);\n\n"; |
| 602 | |
| 603 | for (const auto& field : *mFields) { |
| 604 | out << "void " |
| 605 | << field->name() |
| 606 | << "(" |
| 607 | << field->type().getCppArgumentType() |
| 608 | << ");\n"; |
| 609 | |
| 610 | out << field->type().getCppStackType() |
| 611 | << "& " |
| 612 | << field->name() |
| 613 | << "();\n"; |
| 614 | |
| 615 | out << field->type().getCppArgumentType() |
| 616 | << " " |
| 617 | << field->name() |
| 618 | << "() const;\n\n"; |
| 619 | } |
| 620 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 621 | out << "// Utility methods\n"; |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 622 | out << "hidl_discriminator getDiscriminator() const;\n\n"; |
| 623 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 624 | out << "constexpr size_t hidl_getUnionOffset() const "; |
| 625 | out.block([&] { |
| 626 | out << "return offsetof(" << fullName() << ", hidl_u);\n"; |
| 627 | }).endl().endl(); |
| 628 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 629 | out.unindent(); |
| 630 | out << "private:\n"; |
| 631 | out.indent(); |
| 632 | |
| 633 | out << "void hidl_destructUnion();\n\n"; |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 634 | |
| 635 | out << "hidl_discriminator hidl_d"; |
| 636 | if (!hasPointer) { |
| 637 | out << " __attribute__ ((aligned(" |
| 638 | << layout.discriminator.align << "))) "; |
| 639 | } |
| 640 | out << "{hidl_discriminator::hidl_no_init};\n"; |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 641 | out << "union hidl_union final {\n"; |
| 642 | out.indent(); |
| 643 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 644 | for (const auto& field : *mFields) { |
| 645 | |
| 646 | size_t fieldAlign, fieldSize; |
| 647 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 648 | |
| 649 | out << field->type().getCppStackType() |
| 650 | << " " |
| 651 | << field->name(); |
| 652 | |
| 653 | if (!hasPointer) { |
| 654 | out << " __attribute__ ((aligned(" |
| 655 | << fieldAlign |
| 656 | << ")))"; |
| 657 | } |
| 658 | out << ";\n"; |
| 659 | } |
| 660 | |
| 661 | out << "\n" |
| 662 | << "hidl_union();\n" |
| 663 | << "~hidl_union();\n"; |
| 664 | |
| 665 | out.unindent(); |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 666 | out << "} hidl_u;\n"; |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 667 | |
| 668 | if (!hasPointer) { |
| 669 | out << "\n"; |
| 670 | |
| 671 | emitLayoutAsserts(out, layout.innerStruct, "::hidl_union"); |
| 672 | emitLayoutAsserts(out, layout.discriminator, "::hidl_discriminator"); |
| 673 | } |
| 674 | |
| 675 | out.unindent(); |
| 676 | out << "};\n\n"; |
| 677 | |
| 678 | if (!hasPointer) { |
| 679 | emitLayoutAsserts(out, layout.overall, ""); |
| 680 | out << "\n"; |
| 681 | } |
| 682 | } |
| 683 | |
Steven Moreland | 6ec9eb9 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 684 | void CompoundType::emitTypeDeclarations(Formatter& out) const { |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 685 | if (mStyle == STYLE_SAFE_UNION) { |
| 686 | emitSafeUnionTypeDeclarations(out); |
| 687 | return; |
| 688 | } |
| 689 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 690 | out << ((mStyle == STYLE_STRUCT) ? "struct" : "union") |
| 691 | << " " |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 692 | << localName() |
Yifan Hong | b1d2ebc | 2016-12-20 17:18:07 -0800 | [diff] [blame] | 693 | << " final {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 694 | |
| 695 | out.indent(); |
| 696 | |
| 697 | Scope::emitTypeDeclarations(out); |
| 698 | |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 699 | if (containsPointer()) { |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 700 | for (const auto &field : *mFields) { |
Steven Moreland | 073269e | 2018-05-17 15:45:26 -0700 | [diff] [blame] | 701 | field->emitDocComment(out); |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 702 | out << field->type().getCppStackType() |
| 703 | << " " |
| 704 | << field->name() |
| 705 | << ";\n"; |
| 706 | } |
| 707 | |
| 708 | out.unindent(); |
| 709 | out << "};\n\n"; |
| 710 | |
Steven Moreland | 6ec9eb9 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 711 | return; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 712 | } |
| 713 | |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 714 | for (int pass = 0; pass < 2; ++pass) { |
| 715 | size_t offset = 0; |
| 716 | for (const auto &field : *mFields) { |
| 717 | size_t fieldAlign, fieldSize; |
| 718 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 719 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 720 | offset += Layout::getPad(offset, fieldAlign); |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 721 | |
| 722 | if (pass == 0) { |
| 723 | out << field->type().getCppStackType() |
| 724 | << " " |
| 725 | << field->name() |
| 726 | << " __attribute__ ((aligned(" |
| 727 | << fieldAlign |
| 728 | << ")));\n"; |
| 729 | } else { |
| 730 | out << "static_assert(offsetof(" |
| 731 | << fullName() |
| 732 | << ", " |
| 733 | << field->name() |
| 734 | << ") == " |
| 735 | << offset |
| 736 | << ", \"wrong offset\");\n"; |
| 737 | } |
| 738 | |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 739 | if (mStyle == STYLE_STRUCT) { |
| 740 | offset += fieldSize; |
| 741 | } |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 742 | } |
| 743 | |
| 744 | if (pass == 0) { |
| 745 | out.unindent(); |
| 746 | out << "};\n\n"; |
| 747 | } |
| 748 | } |
| 749 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 750 | CompoundLayout layout = getCompoundAlignmentAndSize(); |
| 751 | emitLayoutAsserts(out, layout.overall, ""); |
| 752 | out << "\n"; |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 753 | } |
| 754 | |
Timur Iskhakov | fd3f250 | 2017-09-05 16:25:02 -0700 | [diff] [blame] | 755 | void CompoundType::emitTypeForwardDeclaration(Formatter& out) const { |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 756 | switch (mStyle) { |
| 757 | case STYLE_UNION: { |
| 758 | out << "union"; |
| 759 | break; |
| 760 | } |
| 761 | case STYLE_STRUCT: |
| 762 | case STYLE_SAFE_UNION: { |
| 763 | out << "struct"; |
| 764 | break; |
| 765 | } |
| 766 | default: { |
| 767 | CHECK(!"Should not be here"); |
| 768 | } |
| 769 | } |
| 770 | out << " " << localName() << ";\n"; |
Timur Iskhakov | fd3f250 | 2017-09-05 16:25:02 -0700 | [diff] [blame] | 771 | } |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 772 | |
Steven Moreland | 6ec9eb9 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 773 | void CompoundType::emitPackageTypeDeclarations(Formatter& out) const { |
Steven Moreland | 4b8f7a1 | 2017-11-17 15:39:54 -0800 | [diff] [blame] | 774 | Scope::emitPackageTypeDeclarations(out); |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 775 | |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 776 | // TODO(b/65200821): remove these ifdefs |
| 777 | out << "#ifdef REALLY_IS_HIDL_INTERNAL_LIB" << gCurrentCompileName << "\n"; |
Steven Moreland | 3d98bc4 | 2017-06-23 21:36:41 +0000 | [diff] [blame] | 778 | out << "std::string toString(" |
Yifan Hong | f5cc2f7 | 2017-01-04 18:02:34 -0800 | [diff] [blame] | 779 | << getCppArgumentType() |
Steven Moreland | 3d98bc4 | 2017-06-23 21:36:41 +0000 | [diff] [blame] | 780 | << ");\n\n"; |
Yifan Hong | 42c6843 | 2017-03-13 16:22:03 -0700 | [diff] [blame] | 781 | if (canCheckEquality()) { |
Steven Moreland | f91048a | 2017-06-23 21:38:35 +0000 | [diff] [blame] | 782 | out << "bool operator==(" |
| 783 | << getCppArgumentType() << ", " << getCppArgumentType() << ");\n\n"; |
Yifan Hong | 42c6843 | 2017-03-13 16:22:03 -0700 | [diff] [blame] | 784 | |
Steven Moreland | f91048a | 2017-06-23 21:38:35 +0000 | [diff] [blame] | 785 | out << "bool operator!=(" |
| 786 | << getCppArgumentType() << ", " << getCppArgumentType() << ");\n\n"; |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 787 | } |
| 788 | out << "#else\n"; |
| 789 | out << "static inline std::string toString(" |
| 790 | << getCppArgumentType() |
| 791 | << (mFields->empty() ? "" : " o") |
| 792 | << ") "; |
| 793 | |
| 794 | out.block([&] { |
| 795 | // include toString for scalar types |
| 796 | out << "using ::android::hardware::toString;\n" |
| 797 | << "std::string os;\n"; |
| 798 | out << "os += \"{\";\n"; |
| 799 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 800 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 801 | out << "\nswitch (o.getDiscriminator()) {\n"; |
| 802 | out.indent(); |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 803 | } |
| 804 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 805 | for (const NamedReference<Type>* field : *mFields) { |
| 806 | if (mStyle == STYLE_SAFE_UNION) { |
| 807 | out << "case " |
| 808 | << fullName() |
| 809 | << "::hidl_discriminator::" |
| 810 | << field->name() |
| 811 | << ": "; |
| 812 | |
| 813 | out.block([&] { |
| 814 | out << "os += \"." |
| 815 | << field->name() |
| 816 | << " = \";\n" |
| 817 | << "os += toString(o." |
| 818 | << field->name() |
| 819 | << "());\n" |
| 820 | << "break;\n"; |
| 821 | }).endl(); |
| 822 | } else { |
| 823 | out << "os += \""; |
| 824 | if (field != *(mFields->begin())) { |
| 825 | out << ", "; |
| 826 | } |
| 827 | out << "." << field->name() << " = \";\n"; |
| 828 | field->type().emitDump(out, "os", "o." + field->name()); |
| 829 | } |
| 830 | } |
| 831 | |
| 832 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 833 | out << "case " << fullName() << "::hidl_discriminator::" |
| 834 | << "hidl_no_init: "; |
| 835 | |
| 836 | out.block([&] { |
| 837 | out << "break;\n"; |
| 838 | }).endl(); |
| 839 | |
| 840 | out << "default: "; |
| 841 | out.block([&] { |
| 842 | out << "details::logAlwaysFatal(\"Unknown union discriminator.\");\n"; |
| 843 | }).endl(); |
| 844 | |
| 845 | out.unindent(); |
| 846 | out << "}\n"; |
| 847 | } |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 848 | out << "os += \"}\"; return os;\n"; |
| 849 | }).endl().endl(); |
| 850 | |
| 851 | if (canCheckEquality()) { |
| 852 | out << "static inline bool operator==(" |
| 853 | << getCppArgumentType() << " " << (mFields->empty() ? "/* lhs */" : "lhs") << ", " |
| 854 | << getCppArgumentType() << " " << (mFields->empty() ? "/* rhs */" : "rhs") << ") "; |
| 855 | out.block([&] { |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 856 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 857 | out.sIf("lhs.getDiscriminator() != rhs.getDiscriminator()", [&] { |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 858 | out << "return false;\n"; |
| 859 | }).endl(); |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 860 | |
| 861 | out << "switch (lhs.getDiscriminator()) {\n"; |
| 862 | out.indent(); |
| 863 | } |
| 864 | |
| 865 | for (const auto& field : *mFields) { |
| 866 | if (mStyle == STYLE_SAFE_UNION) { |
| 867 | out << "case " |
| 868 | << fullName() |
| 869 | << "::hidl_discriminator::" |
| 870 | << field->name() |
| 871 | << ": "; |
| 872 | |
| 873 | out.block([&] { |
| 874 | out << "return (lhs." |
| 875 | << field->name() |
| 876 | << "() == rhs." |
| 877 | << field->name() |
| 878 | << "());\n"; |
| 879 | }).endl(); |
| 880 | } else { |
| 881 | out.sIf("lhs." + field->name() + " != rhs." + field->name(), [&] { |
| 882 | out << "return false;\n"; |
| 883 | }).endl(); |
| 884 | } |
| 885 | } |
| 886 | |
| 887 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 888 | out << "case " << fullName() << "::hidl_discriminator::" |
| 889 | << "hidl_no_init: "; |
| 890 | |
| 891 | out.block([&] { |
| 892 | out << "return false;\n"; |
| 893 | }).endl(); |
| 894 | |
| 895 | out << "default: "; |
| 896 | out.block([&] { |
| 897 | out << "details::logAlwaysFatal(\"Unknown union discriminator.\");\n"; |
| 898 | }).endl(); |
| 899 | |
| 900 | out.unindent(); |
| 901 | out << "}\n"; |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 902 | } |
| 903 | out << "return true;\n"; |
| 904 | }).endl().endl(); |
| 905 | |
| 906 | out << "static inline bool operator!=(" |
| 907 | << getCppArgumentType() << " lhs," << getCppArgumentType() << " rhs)"; |
| 908 | out.block([&] { |
| 909 | out << "return !(lhs == rhs);\n"; |
| 910 | }).endl().endl(); |
Yifan Hong | 42c6843 | 2017-03-13 16:22:03 -0700 | [diff] [blame] | 911 | } else { |
Steven Moreland | f91048a | 2017-06-23 21:38:35 +0000 | [diff] [blame] | 912 | out << "// operator== and operator!= are not generated for " << localName() << "\n\n"; |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 913 | } |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 914 | out << "#endif // REALLY_IS_HIDL_INTERNAL_LIB\n"; |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 915 | } |
| 916 | |
Steven Moreland | 6ec9eb9 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 917 | void CompoundType::emitPackageHwDeclarations(Formatter& out) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 918 | if (needsEmbeddedReadWrite()) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 919 | out << "::android::status_t readEmbeddedFromParcel(\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 920 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 921 | out.indent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 922 | |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 923 | out << "const " << fullName() << " &obj,\n" |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 924 | << "const ::android::hardware::Parcel &parcel,\n" |
| 925 | << "size_t parentHandle,\n" |
| 926 | << "size_t parentOffset);\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 927 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 928 | out.unindent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 929 | |
| 930 | out << "::android::status_t writeEmbeddedToParcel(\n"; |
| 931 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 932 | out.indent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 933 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 934 | out << "const " << fullName() << " &obj,\n" |
| 935 | << "::android::hardware::Parcel *parcel,\n" |
| 936 | << "size_t parentHandle,\n" |
| 937 | << "size_t parentOffset);\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 938 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 939 | out.unindent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 940 | } |
| 941 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 942 | if(needsResolveReferences()) { |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 943 | out << "::android::status_t readEmbeddedReferenceFromParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 944 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 945 | out << fullName() << " *obj,\n" |
| 946 | << "const ::android::hardware::Parcel &parcel,\n" |
| 947 | << "size_t parentHandle, size_t parentOffset);\n\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 948 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 949 | out << "::android::status_t writeEmbeddedReferenceToParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 950 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 951 | out << "const " << fullName() << " &obj,\n" |
| 952 | << "::android::hardware::Parcel *,\n" |
| 953 | << "size_t parentHandle, size_t parentOffset);\n\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 954 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 955 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 956 | } |
| 957 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 958 | void emitSafeUnionGetterDefinition(const std::string& fieldName, |
| 959 | Formatter& out) { |
| 960 | out.block([&] { |
| 961 | out << "if (CC_UNLIKELY(hidl_d != hidl_discriminator::" |
| 962 | << fieldName |
| 963 | << ")) "; |
| 964 | |
| 965 | out.block([&] { |
| 966 | out << "details::logAlwaysFatal(\"Bad safe_union access.\");\n"; |
| 967 | }).endl().endl(); |
| 968 | |
| 969 | out << "return hidl_u." |
| 970 | << fieldName |
| 971 | << ";\n"; |
| 972 | }).endl().endl(); |
| 973 | } |
| 974 | |
| 975 | void CompoundType::emitSafeUnionTypeConstructors(Formatter& out) const { |
| 976 | |
| 977 | // Default constructor |
| 978 | out << fullName() |
| 979 | << "::" |
| 980 | << localName() |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 981 | << "() "; |
| 982 | |
| 983 | out.block([&] { |
| 984 | out << "static_assert(offsetof(" |
| 985 | << fullName() |
| 986 | << ", hidl_d) == 0, \"wrong offset\");\n"; |
| 987 | |
| 988 | if (!containsPointer()) { |
| 989 | CompoundLayout layout = getCompoundAlignmentAndSize(); |
| 990 | out << "static_assert(offsetof(" |
| 991 | << fullName() |
| 992 | << ", hidl_u) == " |
| 993 | << layout.innerStruct.offset |
| 994 | << ", \"wrong offset\");\n"; |
| 995 | } |
| 996 | }).endl().endl(); |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 997 | |
| 998 | // Destructor |
| 999 | out << fullName() |
| 1000 | << "::~" |
| 1001 | << localName() |
| 1002 | << "() "; |
| 1003 | |
| 1004 | out.block([&] { |
| 1005 | out << "hidl_destructUnion();\n"; |
| 1006 | }).endl().endl(); |
| 1007 | |
| 1008 | // Copy constructor |
| 1009 | out << fullName() |
| 1010 | << "::" |
| 1011 | << localName() |
| 1012 | << "(const " |
| 1013 | << localName() |
| 1014 | << "& other) "; |
| 1015 | |
| 1016 | out.block([&] { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1017 | out << "switch (other.hidl_d) "; |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1018 | out.block([&] { |
| 1019 | |
| 1020 | for (const auto& field : *mFields) { |
| 1021 | out << "case hidl_discriminator::" |
| 1022 | << field->name() |
| 1023 | << ": "; |
| 1024 | |
| 1025 | out.block([&] { |
| 1026 | out << "new (&hidl_u." |
| 1027 | << field->name() |
| 1028 | << ") " |
| 1029 | << field->type().getCppStackType() |
| 1030 | << "(other.hidl_u." |
| 1031 | << field->name() |
| 1032 | << ");\n" |
| 1033 | << "break;\n"; |
| 1034 | }).endl(); |
| 1035 | } |
| 1036 | |
| 1037 | out << "case hidl_discriminator::hidl_no_init: { break; }\n"; |
| 1038 | out << "default: { details::logAlwaysFatal(" |
| 1039 | << "\"Unknown union discriminator.\"); }\n"; |
| 1040 | }).endl().endl(); |
| 1041 | |
| 1042 | out << "hidl_d = other.hidl_d;\n"; |
| 1043 | }).endl().endl(); |
| 1044 | } |
| 1045 | |
| 1046 | void CompoundType::emitSafeUnionTypeDefinitions(Formatter& out) const { |
| 1047 | if (mFields->empty()) { return; } |
| 1048 | emitSafeUnionTypeConstructors(out); |
| 1049 | |
| 1050 | out << "void " |
| 1051 | << fullName() |
| 1052 | << "::hidl_destructUnion() "; |
| 1053 | |
| 1054 | out.block([&] { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1055 | out << "switch (hidl_d) "; |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1056 | out.block([&] { |
| 1057 | |
| 1058 | for (const auto& field : *mFields) { |
| 1059 | out << "case hidl_discriminator::" |
| 1060 | << field->name() |
| 1061 | << ": "; |
| 1062 | |
| 1063 | out.block([&] { |
Nirav Atre | 3b4c7ff | 2018-07-09 11:57:02 -0700 | [diff] [blame] | 1064 | out << "details::destructElement(&(hidl_u." |
| 1065 | << field->name() |
| 1066 | << "));\n" |
| 1067 | << "break;\n"; |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1068 | }).endl(); |
| 1069 | } |
| 1070 | |
| 1071 | out << "case hidl_discriminator::hidl_no_init: { break; }\n"; |
| 1072 | out << "default: { details::logAlwaysFatal(" |
| 1073 | << "\"Unknown union discriminator.\"); }\n"; |
| 1074 | }).endl().endl(); |
| 1075 | |
| 1076 | out << "hidl_d = hidl_discriminator::hidl_no_init;\n"; |
| 1077 | }).endl().endl(); |
| 1078 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1079 | for (const NamedReference<Type>* field : *mFields) { |
| 1080 | // Setter |
| 1081 | out << "void " |
| 1082 | << fullName() |
| 1083 | << "::" |
| 1084 | << field->name() |
| 1085 | << "(" |
| 1086 | << field->type().getCppArgumentType() |
| 1087 | << " o) "; |
| 1088 | |
| 1089 | out.block([&] { |
| 1090 | out << "if (hidl_d != hidl_discriminator::" |
| 1091 | << field->name() |
| 1092 | << ") "; |
| 1093 | |
| 1094 | out.block([&] { |
| 1095 | out << "hidl_destructUnion();\n" |
| 1096 | << "::std::memset(&hidl_u, 0, sizeof(hidl_u));\n\n"; |
| 1097 | |
| 1098 | out << "new (&hidl_u." |
| 1099 | << field->name() |
| 1100 | << ") " |
| 1101 | << field->type().getCppStackType() |
| 1102 | << "(o);\n"; |
| 1103 | |
| 1104 | out << "hidl_d = hidl_discriminator::" |
| 1105 | << field->name() |
| 1106 | << ";\n"; |
| 1107 | }).endl(); |
| 1108 | |
| 1109 | out << "else if (&(hidl_u." |
| 1110 | << field->name() |
| 1111 | << ") != &o) "; |
| 1112 | |
| 1113 | out.block([&] { |
| 1114 | out << "hidl_u." |
| 1115 | << field->name() |
| 1116 | << " = o;\n"; |
| 1117 | }).endl(); |
| 1118 | }).endl().endl(); |
| 1119 | |
| 1120 | // Getter (mutable) |
| 1121 | out << field->type().getCppStackType() |
| 1122 | << "& (" |
| 1123 | << fullName() |
| 1124 | << "::" |
| 1125 | << field->name() |
| 1126 | << ")() "; |
| 1127 | |
| 1128 | emitSafeUnionGetterDefinition(field->name(), out); |
| 1129 | |
| 1130 | // Getter (immutable) |
| 1131 | out << field->type().getCppArgumentType() |
| 1132 | << " (" |
| 1133 | << fullName() |
| 1134 | << "::" |
| 1135 | << field->name() |
| 1136 | << ")() const "; |
| 1137 | |
| 1138 | emitSafeUnionGetterDefinition(field->name(), out); |
| 1139 | } |
| 1140 | |
| 1141 | // Trivial constructor/destructor for internal union |
| 1142 | out << fullName() << "::hidl_union::hidl_union() {}\n\n" |
| 1143 | << fullName() << "::hidl_union::~hidl_union() {}\n\n"; |
| 1144 | |
| 1145 | // Utility method |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 1146 | out << fullName() << "::hidl_discriminator (" |
| 1147 | << fullName() << "::getDiscriminator)() const "; |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1148 | |
| 1149 | out.block([&] { |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 1150 | out << "return hidl_d;\n"; |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1151 | }).endl().endl(); |
| 1152 | } |
| 1153 | |
Steven Moreland | 6ec9eb9 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 1154 | void CompoundType::emitTypeDefinitions(Formatter& out, const std::string& prefix) const { |
Steven Moreland | b158de1 | 2016-10-10 11:59:09 -0700 | [diff] [blame] | 1155 | std::string space = prefix.empty() ? "" : (prefix + "::"); |
Steven Moreland | 6ec9eb9 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 1156 | Scope::emitTypeDefinitions(out, space + localName()); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1157 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1158 | if (needsEmbeddedReadWrite()) { |
| 1159 | emitStructReaderWriter(out, prefix, true /* isReader */); |
| 1160 | emitStructReaderWriter(out, prefix, false /* isReader */); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1161 | } |
| 1162 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1163 | if (needsResolveReferences()) { |
| 1164 | emitResolveReferenceDef(out, prefix, true /* isReader */); |
| 1165 | emitResolveReferenceDef(out, prefix, false /* isReader */); |
| 1166 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1167 | |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 1168 | // TODO(b/65200821): remove toString + operator== from .cpp once all prebuilts are rebuilt |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1169 | // For safe unions (which have no legacy users), skip emitting these definitions to .cpp. |
| 1170 | if (mStyle == STYLE_SAFE_UNION) { |
| 1171 | emitSafeUnionTypeDefinitions(out); |
| 1172 | return; |
| 1173 | } |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 1174 | |
Steven Moreland | 3d98bc4 | 2017-06-23 21:36:41 +0000 | [diff] [blame] | 1175 | out << "std::string toString(" |
| 1176 | << getCppArgumentType() |
| 1177 | << (mFields->empty() ? "" : " o") |
| 1178 | << ") "; |
| 1179 | |
| 1180 | out.block([&] { |
| 1181 | // include toString for scalar types |
| 1182 | out << "using ::android::hardware::toString;\n" |
| 1183 | << "std::string os;\n"; |
| 1184 | out << "os += \"{\";\n"; |
| 1185 | |
Timur Iskhakov | 7fa79f6 | 2017-08-09 11:04:54 -0700 | [diff] [blame] | 1186 | for (const NamedReference<Type>* field : *mFields) { |
Steven Moreland | 3d98bc4 | 2017-06-23 21:36:41 +0000 | [diff] [blame] | 1187 | out << "os += \""; |
| 1188 | if (field != *(mFields->begin())) { |
| 1189 | out << ", "; |
| 1190 | } |
| 1191 | out << "." << field->name() << " = \";\n"; |
| 1192 | field->type().emitDump(out, "os", "o." + field->name()); |
| 1193 | } |
| 1194 | |
| 1195 | out << "os += \"}\"; return os;\n"; |
| 1196 | }).endl().endl(); |
| 1197 | |
Steven Moreland | f91048a | 2017-06-23 21:38:35 +0000 | [diff] [blame] | 1198 | if (canCheckEquality()) { |
| 1199 | out << "bool operator==(" |
| 1200 | << getCppArgumentType() << " " << (mFields->empty() ? "/* lhs */" : "lhs") << ", " |
| 1201 | << getCppArgumentType() << " " << (mFields->empty() ? "/* rhs */" : "rhs") << ") "; |
| 1202 | out.block([&] { |
| 1203 | for (const auto &field : *mFields) { |
| 1204 | out.sIf("lhs." + field->name() + " != rhs." + field->name(), [&] { |
| 1205 | out << "return false;\n"; |
| 1206 | }).endl(); |
| 1207 | } |
| 1208 | out << "return true;\n"; |
| 1209 | }).endl().endl(); |
| 1210 | |
| 1211 | out << "bool operator!=(" |
| 1212 | << getCppArgumentType() << " lhs," << getCppArgumentType() << " rhs)"; |
| 1213 | out.block([&] { |
| 1214 | out << "return !(lhs == rhs);\n"; |
| 1215 | }).endl().endl(); |
| 1216 | } else { |
| 1217 | out << "// operator== and operator!= are not generated for " << localName() << "\n"; |
| 1218 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1219 | } |
| 1220 | |
Steven Moreland | 6ec9eb9 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 1221 | void CompoundType::emitJavaTypeDeclarations(Formatter& out, bool atTopLevel) const { |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1222 | out << "public final "; |
| 1223 | |
| 1224 | if (!atTopLevel) { |
| 1225 | out << "static "; |
| 1226 | } |
| 1227 | |
| 1228 | out << "class " |
| 1229 | << localName() |
| 1230 | << " {\n"; |
| 1231 | |
| 1232 | out.indent(); |
| 1233 | |
| 1234 | Scope::emitJavaTypeDeclarations(out, false /* atTopLevel */); |
| 1235 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1236 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 1237 | const std::string discriminatorStorageType = ( |
| 1238 | getUnionDiscriminatorType()->getJavaType(false)); |
Steven Moreland | 073269e | 2018-05-17 15:45:26 -0700 | [diff] [blame] | 1239 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1240 | out << "public static final class hidl_discriminator "; |
| 1241 | out.block([&] { |
| 1242 | std::vector<std::string> enumNames; |
| 1243 | for (const auto& field : *mFields) { |
| 1244 | enumNames.push_back(field->name()); |
| 1245 | } |
| 1246 | enumNames.push_back("hidl_no_init"); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1247 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1248 | for (size_t idx = 0; idx < enumNames.size(); idx++) { |
| 1249 | out << "public static final " |
| 1250 | << discriminatorStorageType |
| 1251 | << " " |
| 1252 | << enumNames[idx] |
| 1253 | << " = " |
| 1254 | << idx |
| 1255 | << ";\n"; |
| 1256 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1257 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1258 | out << "\n" |
| 1259 | << "public static final String getName(" |
| 1260 | << discriminatorStorageType |
| 1261 | << " value) "; |
| 1262 | |
| 1263 | out.block([&] { |
| 1264 | out << "switch (value) "; |
| 1265 | out.block([&] { |
| 1266 | for (size_t idx = 0; idx < enumNames.size(); idx++) { |
| 1267 | out << "case " |
| 1268 | << idx |
| 1269 | << ": { return \"" |
| 1270 | << enumNames[idx] |
| 1271 | << "\"; }\n"; |
| 1272 | } |
| 1273 | out << "default: { return \"Unknown\"; }\n"; |
| 1274 | }).endl(); |
| 1275 | }).endl().endl(); |
| 1276 | |
| 1277 | out << "private hidl_discriminator() {}\n"; |
| 1278 | }).endl().endl(); |
| 1279 | |
| 1280 | out << "private " |
| 1281 | << discriminatorStorageType |
| 1282 | << " hidl_d = hidl_discriminator.hidl_no_init;\n"; |
| 1283 | |
| 1284 | out << "private Object hidl_o;\n\n"; |
| 1285 | |
| 1286 | for (const auto& field : *mFields) { |
| 1287 | // Setter |
| 1288 | out << "public void " |
| 1289 | << field->name() |
| 1290 | << "(" |
| 1291 | << field->type().getJavaType(false) |
| 1292 | << " " |
| 1293 | << field->name() |
| 1294 | << ") "; |
| 1295 | |
| 1296 | out.block([&] { |
| 1297 | out << "hidl_d = hidl_discriminator." |
| 1298 | << field->name() |
| 1299 | << ";\n"; |
| 1300 | |
| 1301 | out << "hidl_o = " |
| 1302 | << field->name() |
| 1303 | << ";\n"; |
| 1304 | }).endl().endl(); |
| 1305 | |
| 1306 | // Getter |
| 1307 | out << "public " |
| 1308 | << field->type().getJavaType(false) |
| 1309 | << " " |
| 1310 | << field->name() |
| 1311 | << "() "; |
| 1312 | |
| 1313 | out.block([&] { |
| 1314 | out << "if (hidl_d != hidl_discriminator." |
| 1315 | << field->name() |
| 1316 | << ") "; |
| 1317 | |
| 1318 | out.block([&] { |
| 1319 | out << "String className = (hidl_o != null) ? " |
| 1320 | << "hidl_o.getClass().getName() : \"null\";\n"; |
| 1321 | |
| 1322 | out << "throw new IllegalStateException(\n"; |
| 1323 | out.indent(2, [&] { |
| 1324 | out << "\"Read access to inactive union components is disallowed. \" +\n" |
| 1325 | << "\"Discriminator value is \" + hidl_d + \" (corresponding \" +\n" |
| 1326 | << "\"to \" + hidl_discriminator.getName(hidl_d) + \"), and \" +\n" |
| 1327 | << "\"hidl_o is of type \" + className + \".\");\n"; |
| 1328 | }); |
| 1329 | }).endl(); |
| 1330 | |
| 1331 | out << "if (hidl_o != null && !" |
| 1332 | << field->type().getJavaTypeClass() |
| 1333 | << ".class.isInstance(hidl_o)) "; |
| 1334 | |
| 1335 | out.block([&] { |
| 1336 | out << "throw new Error(\"Union is in a corrupted state.\");\n"; |
| 1337 | }).endl(); |
| 1338 | |
| 1339 | out << "return (" |
| 1340 | << field->type().getJavaTypeCast("hidl_o") |
| 1341 | << ");\n"; |
| 1342 | }).endl().endl(); |
| 1343 | } |
| 1344 | |
| 1345 | out << "// Utility method\n" |
| 1346 | << "public " |
| 1347 | << discriminatorStorageType |
| 1348 | << " getDiscriminator() { return hidl_d; }\n\n"; |
| 1349 | |
| 1350 | } else if (!mFields->empty()) { |
| 1351 | for (const auto& field : *mFields) { |
| 1352 | field->emitDocComment(out); |
| 1353 | |
| 1354 | out << "public "; |
| 1355 | field->type().emitJavaFieldInitializer(out, field->name()); |
| 1356 | } |
| 1357 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1358 | out << "\n"; |
| 1359 | } |
| 1360 | |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1361 | //////////////////////////////////////////////////////////////////////////// |
| 1362 | |
| 1363 | if (canCheckEquality()) { |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1364 | out << "@Override\npublic final boolean equals(Object otherObject) "; |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1365 | out.block([&] { |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1366 | out.sIf("this == otherObject", [&] { |
| 1367 | out << "return true;\n"; |
| 1368 | }).endl(); |
| 1369 | out.sIf("otherObject == null", [&] { |
| 1370 | out << "return false;\n"; |
| 1371 | }).endl(); |
Yifan Hong | 45b331b | 2017-03-27 12:59:54 -0700 | [diff] [blame] | 1372 | // Though class is final, we use getClass instead of instanceof to be explicit. |
| 1373 | out.sIf("otherObject.getClass() != " + fullJavaName() + ".class", [&] { |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1374 | out << "return false;\n"; |
| 1375 | }).endl(); |
| 1376 | out << fullJavaName() << " other = (" << fullJavaName() << ")otherObject;\n"; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1377 | |
| 1378 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 1379 | out.sIf("this.hidl_d != other.hidl_d", [&] { |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1380 | out << "return false;\n"; |
| 1381 | }).endl(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1382 | out.sIf("this.hidl_d == hidl_discriminator.hidl_no_init", [&] { |
| 1383 | out << "return false;\n"; |
| 1384 | }).endl(); |
| 1385 | out.sIf("!android.os.HidlSupport.deepEquals(this.hidl_o, other.hidl_o)", [&] { |
| 1386 | out << "return false;\n"; |
| 1387 | }).endl(); |
| 1388 | } else if (!mFields->empty()) { |
| 1389 | for (const auto &field : *mFields) { |
| 1390 | std::string condition = (field->type().isScalar() || field->type().isEnum()) |
| 1391 | ? "this." + field->name() + " != other." + field->name() |
| 1392 | : ("!android.os.HidlSupport.deepEquals(this." + field->name() |
| 1393 | + ", other." + field->name() + ")"); |
| 1394 | out.sIf(condition, [&] { |
| 1395 | out << "return false;\n"; |
| 1396 | }).endl(); |
| 1397 | } |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1398 | } |
| 1399 | out << "return true;\n"; |
| 1400 | }).endl().endl(); |
| 1401 | |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1402 | out << "@Override\npublic final int hashCode() "; |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1403 | out.block([&] { |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1404 | out << "return java.util.Objects.hash(\n"; |
| 1405 | out.indent(2, [&] { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1406 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 1407 | out << "android.os.HidlSupport.deepHashCode(this.hidl_o),\n" |
| 1408 | << "java.util.Objects.hashCode(this.hidl_d)"; |
| 1409 | } else { |
| 1410 | out.join(mFields->begin(), mFields->end(), ", \n", [&] (const auto &field) { |
| 1411 | out << "android.os.HidlSupport.deepHashCode(this." << field->name() << ")"; |
| 1412 | }); |
| 1413 | } |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1414 | }); |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1415 | out << ");\n"; |
| 1416 | }).endl().endl(); |
Yifan Hong | 42c6843 | 2017-03-13 16:22:03 -0700 | [diff] [blame] | 1417 | } else { |
| 1418 | out << "// equals() is not generated for " << localName() << "\n"; |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1419 | } |
| 1420 | |
| 1421 | //////////////////////////////////////////////////////////////////////////// |
| 1422 | |
Yifan Hong | e45b530 | 2017-02-22 10:49:07 -0800 | [diff] [blame] | 1423 | out << "@Override\npublic final String toString() "; |
| 1424 | out.block([&] { |
| 1425 | out << "java.lang.StringBuilder builder = new java.lang.StringBuilder();\n" |
| 1426 | << "builder.append(\"{\");\n"; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1427 | |
| 1428 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 1429 | out << "switch (this.hidl_d) {\n"; |
| 1430 | out.indent(); |
Yifan Hong | e45b530 | 2017-02-22 10:49:07 -0800 | [diff] [blame] | 1431 | } |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1432 | |
| 1433 | for (const auto &field : *mFields) { |
| 1434 | if (mStyle == STYLE_SAFE_UNION) { |
| 1435 | out << "case hidl_discriminator." |
| 1436 | << field->name() |
| 1437 | << ": "; |
| 1438 | |
| 1439 | out.block([&] { |
| 1440 | out << "builder.append(\"" |
| 1441 | << "." |
| 1442 | << field->name() |
| 1443 | << " = \");\n"; |
| 1444 | |
| 1445 | field->type().emitJavaDump(out, "builder", "this." + field->name() + "()"); |
| 1446 | out << "break;\n"; |
| 1447 | }).endl(); |
| 1448 | } |
| 1449 | else { |
| 1450 | out << "builder.append(\""; |
| 1451 | if (field != *(mFields->begin())) { |
| 1452 | out << ", "; |
| 1453 | } |
| 1454 | out << "." << field->name() << " = \");\n"; |
| 1455 | field->type().emitJavaDump(out, "builder", "this." + field->name()); |
| 1456 | } |
| 1457 | } |
| 1458 | |
| 1459 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 1460 | out << "case hidl_discriminator.hidl_no_init: { break; }\n" |
| 1461 | << "default: { throw new Error(\"Unknown union discriminator.\"); }\n"; |
| 1462 | |
| 1463 | out.unindent(); |
| 1464 | out << "}\n"; |
| 1465 | } |
| 1466 | |
Yifan Hong | e45b530 | 2017-02-22 10:49:07 -0800 | [diff] [blame] | 1467 | out << "builder.append(\"}\");\nreturn builder.toString();\n"; |
| 1468 | }).endl().endl(); |
| 1469 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1470 | CompoundLayout layout = getCompoundAlignmentAndSize(); |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 1471 | |
Yifan Hong | e45b530 | 2017-02-22 10:49:07 -0800 | [diff] [blame] | 1472 | //////////////////////////////////////////////////////////////////////////// |
| 1473 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 1474 | out << "public final void readFromParcel(android.os.HwParcel parcel) {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1475 | out.indent(); |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1476 | if (containsInterface()) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1477 | |
| 1478 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 1479 | out << "hidl_d = "; |
| 1480 | getUnionDiscriminatorType()->emitJavaReaderWriter( |
| 1481 | out, "parcel", "hidl_d", true); |
| 1482 | |
| 1483 | out << "switch (hidl_d) {\n"; |
| 1484 | out.indent(); |
| 1485 | } |
| 1486 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1487 | for (const auto& field : *mFields) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1488 | if (mStyle == STYLE_SAFE_UNION) { |
| 1489 | out << "case hidl_discriminator." |
| 1490 | << field->name() |
| 1491 | << ": "; |
| 1492 | |
| 1493 | out.block([&] { |
| 1494 | out << "hidl_o = "; |
| 1495 | field->type().emitJavaReaderWriter(out, "parcel", "hidl_o", true); |
| 1496 | |
| 1497 | out << "break;\n"; |
| 1498 | }).endl(); |
| 1499 | } else { |
| 1500 | out << field->name() << " = "; |
| 1501 | field->type().emitJavaReaderWriter(out, "parcel", field->name(), true); |
| 1502 | } |
| 1503 | } |
| 1504 | |
| 1505 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 1506 | out << "case hidl_discriminator.hidl_no_init: { break; }\n" |
| 1507 | << "default: { throw new Error(\"Unknown union discriminator.\"); }\n"; |
| 1508 | |
| 1509 | out.unindent(); |
| 1510 | out << "}\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1511 | } |
| 1512 | } else { |
| 1513 | out << "android.os.HwBlob blob = parcel.readBuffer("; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1514 | out << layout.overall.size << " /* size */);\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1515 | out << "readEmbeddedFromParcel(parcel, blob, 0 /* parentOffset */);\n"; |
| 1516 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1517 | out.unindent(); |
| 1518 | out << "}\n\n"; |
| 1519 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1520 | //////////////////////////////////////////////////////////////////////////// |
| 1521 | |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 1522 | size_t vecAlign, vecSize; |
| 1523 | VectorType::getAlignmentAndSizeStatic(&vecAlign, &vecSize); |
| 1524 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1525 | out << "public static final java.util.ArrayList<" << localName() |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 1526 | << "> readVectorFromParcel(android.os.HwParcel parcel) {\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1527 | out.indent(); |
| 1528 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1529 | out << "java.util.ArrayList<" << localName() << "> _hidl_vec = new java.util.ArrayList();\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1530 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1531 | if (containsInterface()) { |
| 1532 | out << "int size = parcel.readInt32();\n"; |
| 1533 | out << "for(int i = 0 ; i < size; i ++) {\n"; |
| 1534 | out.indent(); |
| 1535 | out << fullJavaName() << " tmp = "; |
| 1536 | emitJavaReaderWriter(out, "parcel", "tmp", true); |
| 1537 | out << "_hidl_vec.add(tmp);\n"; |
| 1538 | out.unindent(); |
| 1539 | out << "}\n"; |
| 1540 | } else { |
| 1541 | out << "android.os.HwBlob _hidl_blob = parcel.readBuffer("; |
| 1542 | out << vecSize << " /* sizeof hidl_vec<T> */);\n\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1543 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1544 | VectorType::EmitJavaFieldReaderWriterForElementType(out, 0 /* depth */, this, "parcel", |
| 1545 | "_hidl_blob", "_hidl_vec", "0", |
| 1546 | true /* isReader */); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1547 | } |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1548 | out << "\nreturn _hidl_vec;\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1549 | out.unindent(); |
| 1550 | out << "}\n\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1551 | //////////////////////////////////////////////////////////////////////////// |
| 1552 | if (containsInterface()) { |
| 1553 | out << "// readEmbeddedFromParcel is not generated()\n"; |
| 1554 | } else { |
| 1555 | out << "public final void readEmbeddedFromParcel(\n"; |
| 1556 | out.indent(2); |
| 1557 | out << "android.os.HwParcel parcel, android.os.HwBlob _hidl_blob, long _hidl_offset) {\n"; |
| 1558 | out.unindent(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1559 | |
| 1560 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 1561 | getUnionDiscriminatorType()->emitJavaFieldReaderWriter( |
| 1562 | out, 0 /* depth */, "parcel", "_hidl_blob", "hidl_d", |
| 1563 | "_hidl_offset + " + std::to_string(layout.discriminator.offset), |
| 1564 | true /* isReader */); |
| 1565 | |
| 1566 | out << "switch (this.hidl_d) {\n"; |
| 1567 | out.indent(); |
| 1568 | } |
| 1569 | |
| 1570 | size_t offset = layout.innerStruct.offset; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1571 | for (const auto& field : *mFields) { |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1572 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1573 | if (mStyle == STYLE_SAFE_UNION) { |
| 1574 | out << "case hidl_discriminator." |
| 1575 | << field->name() |
| 1576 | << ": "; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1577 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1578 | out.block([&] { |
| 1579 | field->type().emitJavaFieldDefaultInitialValue(out, "hidl_o"); |
| 1580 | field->type().emitJavaFieldReaderWriter( |
| 1581 | out, 0 /* depth */, "parcel", "_hidl_blob", "hidl_o", |
| 1582 | "_hidl_offset + " + std::to_string(offset), true /* isReader */); |
| 1583 | |
| 1584 | out << "break;\n"; |
| 1585 | }).endl(); |
| 1586 | } else { |
| 1587 | size_t fieldAlign, fieldSize; |
| 1588 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 1589 | |
| 1590 | offset += Layout::getPad(offset, fieldAlign); |
| 1591 | field->type().emitJavaFieldReaderWriter( |
| 1592 | out, 0 /* depth */, "parcel", "_hidl_blob", field->name(), |
| 1593 | "_hidl_offset + " + std::to_string(offset), true /* isReader */); |
| 1594 | offset += fieldSize; |
| 1595 | } |
| 1596 | } |
| 1597 | |
| 1598 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 1599 | out << "case hidl_discriminator.hidl_no_init: { break; }\n" |
| 1600 | << "default: { throw new Error(\"Unknown union discriminator.\"); }\n"; |
| 1601 | |
| 1602 | out.unindent(); |
| 1603 | out << "}\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1604 | } |
| 1605 | out.unindent(); |
| 1606 | out << "}\n\n"; |
| 1607 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1608 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1609 | //////////////////////////////////////////////////////////////////////////// |
| 1610 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 1611 | out << "public final void writeToParcel(android.os.HwParcel parcel) {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1612 | out.indent(); |
| 1613 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1614 | if (containsInterface()) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1615 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 1616 | getUnionDiscriminatorType()->emitJavaReaderWriter( |
| 1617 | out, "parcel", "hidl_d", false); |
| 1618 | |
| 1619 | out << "switch (this.hidl_d) {\n"; |
| 1620 | out.indent(); |
| 1621 | } |
| 1622 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1623 | for (const auto& field : *mFields) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1624 | if (mStyle == STYLE_SAFE_UNION) { |
| 1625 | out << "case hidl_discriminator." |
| 1626 | << field->name() |
| 1627 | << ": "; |
| 1628 | |
| 1629 | out.block([&] { |
| 1630 | field->type().emitJavaReaderWriter(out, "parcel", field->name() + "()", false); |
| 1631 | out << "break;\n"; |
| 1632 | }).endl(); |
| 1633 | } else { |
| 1634 | field->type().emitJavaReaderWriter(out, "parcel", field->name(), false); |
| 1635 | } |
| 1636 | } |
| 1637 | |
| 1638 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 1639 | out << "case hidl_discriminator.hidl_no_init: { break; }\n" |
| 1640 | << "default: { throw new Error(\"Unknown union discriminator.\"); }\n"; |
| 1641 | |
| 1642 | out.unindent(); |
| 1643 | out << "}\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1644 | } |
| 1645 | } else { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1646 | out << "android.os.HwBlob _hidl_blob = new android.os.HwBlob(" |
| 1647 | << layout.overall.size |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1648 | << " /* size */);\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1649 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1650 | out << "writeEmbeddedToBlob(_hidl_blob, 0 /* parentOffset */);\n" |
| 1651 | << "parcel.writeBuffer(_hidl_blob);\n"; |
| 1652 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1653 | out.unindent(); |
| 1654 | out << "}\n\n"; |
| 1655 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1656 | //////////////////////////////////////////////////////////////////////////// |
| 1657 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1658 | out << "public static final void writeVectorToParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1659 | out.indent(2); |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1660 | out << "android.os.HwParcel parcel, java.util.ArrayList<" << localName() << "> _hidl_vec) {\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1661 | out.unindent(); |
| 1662 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1663 | if (containsInterface()) { |
| 1664 | out << "parcel.writeInt32(_hidl_vec.size());\n"; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1665 | out << "for(" << fullJavaName() << " tmp: _hidl_vec) "; |
| 1666 | out.block([&] { |
| 1667 | emitJavaReaderWriter(out, "parcel", "tmp", false); |
| 1668 | }).endl(); |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1669 | } else { |
| 1670 | out << "android.os.HwBlob _hidl_blob = new android.os.HwBlob(" << vecSize |
| 1671 | << " /* sizeof(hidl_vec<T>) */);\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1672 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1673 | VectorType::EmitJavaFieldReaderWriterForElementType(out, 0 /* depth */, this, "parcel", |
| 1674 | "_hidl_blob", "_hidl_vec", "0", |
| 1675 | false /* isReader */); |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1676 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1677 | out << "\nparcel.writeBuffer(_hidl_blob);\n"; |
| 1678 | } |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1679 | out.unindent(); |
| 1680 | out << "}\n\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1681 | //////////////////////////////////////////////////////////////////////////// |
| 1682 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1683 | if (containsInterface()) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1684 | out << "// writeEmbeddedToBlob() is not generated\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1685 | } else { |
| 1686 | out << "public final void writeEmbeddedToBlob(\n"; |
| 1687 | out.indent(2); |
| 1688 | out << "android.os.HwBlob _hidl_blob, long _hidl_offset) {\n"; |
| 1689 | out.unindent(); |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1690 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1691 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 1692 | getUnionDiscriminatorType()->emitJavaFieldReaderWriter( |
| 1693 | out, 0 /* depth */, "parcel", "_hidl_blob", "hidl_d", |
| 1694 | "_hidl_offset + " + std::to_string(layout.discriminator.offset), |
| 1695 | false /* isReader */); |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1696 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1697 | out << "switch (this.hidl_d) {\n"; |
| 1698 | out.indent(); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1699 | } |
| 1700 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1701 | size_t offset = layout.innerStruct.offset; |
| 1702 | for (const auto& field : *mFields) { |
| 1703 | if (mStyle == STYLE_SAFE_UNION) { |
| 1704 | out << "case hidl_discriminator." |
| 1705 | << field->name() |
| 1706 | << ": "; |
| 1707 | |
| 1708 | out.block([&] { |
| 1709 | field->type().emitJavaFieldReaderWriter( |
| 1710 | out, 0 /* depth */, "parcel", "_hidl_blob", field->name() + "()", |
| 1711 | "_hidl_offset + " + std::to_string(offset), false /* isReader */); |
| 1712 | |
| 1713 | out << "break;\n"; |
| 1714 | }).endl(); |
| 1715 | } else { |
| 1716 | size_t fieldAlign, fieldSize; |
| 1717 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 1718 | |
| 1719 | offset += Layout::getPad(offset, fieldAlign); |
| 1720 | field->type().emitJavaFieldReaderWriter( |
| 1721 | out, 0 /* depth */, "parcel", "_hidl_blob", field->name(), |
| 1722 | "_hidl_offset + " + std::to_string(offset), false /* isReader */); |
| 1723 | offset += fieldSize; |
| 1724 | } |
| 1725 | } |
| 1726 | |
| 1727 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 1728 | out << "case hidl_discriminator.hidl_no_init: { break; }\n" |
| 1729 | << "default: { throw new Error(\"Unknown union discriminator.\"); }\n"; |
| 1730 | |
| 1731 | out.unindent(); |
| 1732 | out << "}\n"; |
| 1733 | } |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1734 | out.unindent(); |
| 1735 | out << "}\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1736 | } |
| 1737 | |
| 1738 | out.unindent(); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1739 | out << "};\n\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1740 | } |
| 1741 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1742 | void CompoundType::emitStructReaderWriter( |
| 1743 | Formatter &out, const std::string &prefix, bool isReader) const { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1744 | |
| 1745 | std::string space = prefix.empty() ? "" : (prefix + "::"); |
| 1746 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1747 | out << "::android::status_t " |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1748 | << (isReader ? "readEmbeddedFromParcel" |
| 1749 | : "writeEmbeddedToParcel") |
| 1750 | << "(\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1751 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1752 | out.indent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1753 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1754 | bool useName = false; |
| 1755 | for (const auto &field : *mFields) { |
| 1756 | if (field->type().useNameInEmitReaderWriterEmbedded(isReader)) { |
| 1757 | useName = true; |
| 1758 | break; |
| 1759 | } |
| 1760 | } |
| 1761 | std::string name = useName ? "obj" : "/* obj */"; |
| 1762 | // if not useName, then obj should not be used at all, |
| 1763 | // then the #error should not be emitted. |
| 1764 | std::string error = useName ? "" : "\n#error\n"; |
| 1765 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1766 | if (isReader) { |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 1767 | out << "const " << space << localName() << " &" << name << ",\n"; |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 1768 | out << "const ::android::hardware::Parcel &parcel,\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1769 | } else { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1770 | out << "const " << space << localName() << " &" << name << ",\n"; |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 1771 | out << "::android::hardware::Parcel *parcel,\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1772 | } |
| 1773 | |
| 1774 | out << "size_t parentHandle,\n" |
| 1775 | << "size_t parentOffset)"; |
| 1776 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1777 | out << " {\n"; |
| 1778 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1779 | out.unindent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1780 | out.indent(); |
| 1781 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1782 | out << "::android::status_t _hidl_err = ::android::OK;\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1783 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1784 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 1785 | out << "switch (" << name << ".getDiscriminator()) {\n"; |
| 1786 | out.indent(); |
| 1787 | } |
| 1788 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1789 | for (const auto &field : *mFields) { |
| 1790 | if (!field->type().needsEmbeddedReadWrite()) { |
| 1791 | continue; |
| 1792 | } |
| 1793 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1794 | if (mStyle == STYLE_SAFE_UNION) { |
| 1795 | out << "case " << fullName() << "::hidl_discriminator::" |
| 1796 | << field->name() << ": {\n"; |
| 1797 | out.indent(); |
| 1798 | } |
| 1799 | |
| 1800 | const std::string fieldName = (mStyle == STYLE_SAFE_UNION) |
| 1801 | ? (name + "." + field->name() + "()" + error) |
| 1802 | : (name + "." + field->name() + error); |
| 1803 | |
| 1804 | const std::string fieldOffset = (mStyle == STYLE_SAFE_UNION) |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 1805 | ? (name + ".hidl_getUnionOffset() " + |
| 1806 | "/* safe_union: union offset into struct */") |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1807 | : ("offsetof(" + fullName() + ", " + field->name() + ")"); |
| 1808 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1809 | field->type().emitReaderWriterEmbedded( |
| 1810 | out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 1811 | 0 /* depth */, |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1812 | fieldName, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 1813 | field->name() /* sanitizedName */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1814 | false /* nameIsPointer */, |
| 1815 | "parcel", |
| 1816 | !isReader /* parcelObjIsPointer */, |
| 1817 | isReader, |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 1818 | ErrorMode_Return, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1819 | "parentHandle", |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1820 | "parentOffset + " + fieldOffset); |
| 1821 | |
| 1822 | if (mStyle == STYLE_SAFE_UNION) { |
| 1823 | out << "break;\n"; |
| 1824 | out.unindent(); |
| 1825 | out << "}\n"; |
| 1826 | } |
| 1827 | } |
| 1828 | |
| 1829 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 1830 | out << "default: { break; }\n"; |
| 1831 | out.unindent(); |
| 1832 | out << "}\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1833 | } |
| 1834 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1835 | out << "return _hidl_err;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1836 | |
| 1837 | out.unindent(); |
| 1838 | out << "}\n\n"; |
| 1839 | } |
| 1840 | |
Chih-Hung Hsieh | 8c90cc5 | 2017-08-03 14:51:13 -0700 | [diff] [blame] | 1841 | void CompoundType::emitResolveReferenceDef(Formatter& out, const std::string& prefix, |
| 1842 | bool isReader) const { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1843 | out << "::android::status_t "; |
| 1844 | const std::string space(prefix.empty() ? "" : (prefix + "::")); |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 1845 | |
| 1846 | bool useParent = false; |
| 1847 | for (const auto &field : *mFields) { |
| 1848 | if (field->type().useParentInEmitResolveReferencesEmbedded()) { |
| 1849 | useParent = true; |
| 1850 | break; |
| 1851 | } |
| 1852 | } |
| 1853 | |
| 1854 | std::string parentHandleName = useParent ? "parentHandle" : "/* parentHandle */"; |
| 1855 | std::string parentOffsetName = useParent ? "parentOffset" : "/* parentOffset */"; |
| 1856 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1857 | if (isReader) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1858 | out << "readEmbeddedReferenceFromParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1859 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1860 | out << space + localName() + " *obj,\n" |
| 1861 | << "const ::android::hardware::Parcel &parcel,\n" |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 1862 | << "size_t " << parentHandleName << ", " |
| 1863 | << "size_t " << parentOffsetName << ")\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1864 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1865 | } else { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1866 | out << "writeEmbeddedReferenceToParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1867 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1868 | out << "const " << space + localName() + " &obj,\n" |
| 1869 | << "::android::hardware::Parcel *parcel,\n" |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 1870 | << "size_t " << parentHandleName << ", " |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1871 | << "size_t " << parentOffsetName << ")\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1872 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1873 | } |
| 1874 | |
| 1875 | out << " {\n"; |
| 1876 | |
| 1877 | out.indent(); |
| 1878 | |
| 1879 | out << "::android::status_t _hidl_err = ::android::OK;\n\n"; |
| 1880 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1881 | const std::string nameDeref(isReader ? "obj->" : "obj."); |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 1882 | // if not useParent, then parentName and offsetText |
| 1883 | // should not be used at all, then the #error should not be emitted. |
| 1884 | std::string error = useParent ? "" : "\n#error\n"; |
| 1885 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1886 | if (mStyle == STYLE_SAFE_UNION) { |
| 1887 | out << "switch (" << nameDeref << "getDiscriminator()) {\n"; |
| 1888 | out.indent(); |
| 1889 | } |
| 1890 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1891 | for (const auto &field : *mFields) { |
| 1892 | if (!field->type().needsResolveReferences()) { |
| 1893 | continue; |
| 1894 | } |
| 1895 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1896 | if (mStyle == STYLE_SAFE_UNION) { |
| 1897 | out << "case " << fullName() << "::hidl_discriminator::" |
| 1898 | << field->name() << ": {\n"; |
| 1899 | out.indent(); |
| 1900 | } |
| 1901 | |
| 1902 | const std::string fieldName = (mStyle == STYLE_SAFE_UNION) |
| 1903 | ? (nameDeref + field->name() + "()") |
| 1904 | : (nameDeref + field->name()); |
| 1905 | |
| 1906 | const std::string fieldOffset = (mStyle == STYLE_SAFE_UNION) |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 1907 | ? (nameDeref + "hidl_getUnionOffset() " + |
| 1908 | "/* safe_union: union offset into struct */") |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1909 | : ("offsetof(" + fullName() + ", " + field->name() + ")"); |
| 1910 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1911 | field->type().emitResolveReferencesEmbedded( |
| 1912 | out, |
| 1913 | 0 /* depth */, |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1914 | fieldName, |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1915 | field->name() /* sanitizedName */, |
| 1916 | false, // nameIsPointer |
| 1917 | "parcel", // const std::string &parcelObj, |
| 1918 | !isReader, // bool parcelObjIsPointer, |
| 1919 | isReader, // bool isReader, |
| 1920 | ErrorMode_Return, |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 1921 | parentHandleName + error, |
| 1922 | parentOffsetName |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1923 | + " + " |
| 1924 | + fieldOffset |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 1925 | + error); |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1926 | |
| 1927 | if (mStyle == STYLE_SAFE_UNION) { |
| 1928 | out << "break;\n"; |
| 1929 | out.unindent(); |
| 1930 | out << "}\n"; |
| 1931 | } |
| 1932 | } |
| 1933 | |
| 1934 | if (mStyle == STYLE_SAFE_UNION) { |
| 1935 | out << "default: { _hidl_err = ::android::BAD_VALUE; break; }\n"; |
| 1936 | out.unindent(); |
| 1937 | out << "}\n"; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1938 | } |
| 1939 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1940 | out << "return _hidl_err;\n"; |
| 1941 | |
| 1942 | out.unindent(); |
| 1943 | out << "}\n\n"; |
| 1944 | } |
| 1945 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1946 | bool CompoundType::needsEmbeddedReadWrite() const { |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1947 | if (mStyle == STYLE_UNION) { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1948 | return false; |
| 1949 | } |
| 1950 | |
| 1951 | for (const auto &field : *mFields) { |
| 1952 | if (field->type().needsEmbeddedReadWrite()) { |
| 1953 | return true; |
| 1954 | } |
| 1955 | } |
| 1956 | |
| 1957 | return false; |
| 1958 | } |
| 1959 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 1960 | bool CompoundType::deepNeedsResolveReferences(std::unordered_set<const Type*>* visited) const { |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1961 | if (mStyle == STYLE_UNION) { |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1962 | return false; |
| 1963 | } |
| 1964 | |
| 1965 | for (const auto &field : *mFields) { |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 1966 | if (field->type().needsResolveReferences(visited)) { |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1967 | return true; |
| 1968 | } |
| 1969 | } |
| 1970 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 1971 | return Scope::deepNeedsResolveReferences(visited); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1972 | } |
| 1973 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1974 | bool CompoundType::resultNeedsDeref() const { |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 1975 | return !containsInterface() ; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1976 | } |
| 1977 | |
Steven Moreland | 6ec9eb9 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 1978 | void CompoundType::emitVtsTypeDeclarations(Formatter& out) const { |
Zhuoyao Zhang | bf828c8 | 2016-10-26 14:15:10 -0700 | [diff] [blame] | 1979 | out << "name: \"" << fullName() << "\"\n"; |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 1980 | out << "type: " << getVtsType() << "\n"; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 1981 | |
| 1982 | // Emit declaration for each subtype. |
| 1983 | for (const auto &type : getSubTypes()) { |
| 1984 | switch (mStyle) { |
| 1985 | case STYLE_STRUCT: |
| 1986 | { |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 1987 | out << "sub_struct: {\n"; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 1988 | break; |
| 1989 | } |
| 1990 | case STYLE_UNION: |
| 1991 | { |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 1992 | out << "sub_union: {\n"; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 1993 | break; |
| 1994 | } |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1995 | case STYLE_SAFE_UNION: |
| 1996 | { |
| 1997 | out << "sub_safe_union: {\n"; |
| 1998 | break; |
| 1999 | } |
| 2000 | default: |
| 2001 | { |
| 2002 | CHECK(!"Should not be here"); |
| 2003 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2004 | } |
| 2005 | out.indent(); |
Steven Moreland | 6ec9eb9 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 2006 | type->emitVtsTypeDeclarations(out); |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2007 | out.unindent(); |
| 2008 | out << "}\n"; |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 2009 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2010 | |
| 2011 | // Emit declaration for each field. |
| 2012 | for (const auto &field : *mFields) { |
| 2013 | switch (mStyle) { |
| 2014 | case STYLE_STRUCT: |
| 2015 | { |
| 2016 | out << "struct_value: {\n"; |
| 2017 | break; |
| 2018 | } |
| 2019 | case STYLE_UNION: |
| 2020 | { |
| 2021 | out << "union_value: {\n"; |
| 2022 | break; |
| 2023 | } |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2024 | case STYLE_SAFE_UNION: |
| 2025 | { |
| 2026 | out << "safe_union_value: {\n"; |
| 2027 | break; |
| 2028 | } |
| 2029 | default: |
| 2030 | { |
| 2031 | CHECK(!"Should not be here"); |
| 2032 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2033 | } |
| 2034 | out.indent(); |
| 2035 | out << "name: \"" << field->name() << "\"\n"; |
Steven Moreland | 6ec9eb9 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 2036 | field->type().emitVtsAttributeType(out); |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2037 | out.unindent(); |
| 2038 | out << "}\n"; |
| 2039 | } |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 2040 | } |
| 2041 | |
Steven Moreland | 6ec9eb9 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 2042 | void CompoundType::emitVtsAttributeType(Formatter& out) const { |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 2043 | out << "type: " << getVtsType() << "\n"; |
Zhuoyao Zhang | bf828c8 | 2016-10-26 14:15:10 -0700 | [diff] [blame] | 2044 | out << "predefined_type: \"" << fullName() << "\"\n"; |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 2045 | } |
| 2046 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2047 | bool CompoundType::deepIsJavaCompatible(std::unordered_set<const Type*>* visited) const { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 2048 | if (mStyle == STYLE_UNION) { |
Andreas Huber | 0fa9e39 | 2016-08-31 09:05:44 -0700 | [diff] [blame] | 2049 | return false; |
| 2050 | } |
| 2051 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2052 | for (const auto* field : *mFields) { |
| 2053 | if (!field->get()->isJavaCompatible(visited)) { |
Andreas Huber | 0fa9e39 | 2016-08-31 09:05:44 -0700 | [diff] [blame] | 2054 | return false; |
| 2055 | } |
| 2056 | } |
| 2057 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2058 | return Scope::deepIsJavaCompatible(visited); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2059 | } |
| 2060 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2061 | bool CompoundType::deepContainsPointer(std::unordered_set<const Type*>* visited) const { |
| 2062 | for (const auto* field : *mFields) { |
| 2063 | if (field->get()->containsPointer(visited)) { |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 2064 | return true; |
| 2065 | } |
| 2066 | } |
| 2067 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2068 | return Scope::deepContainsPointer(visited); |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 2069 | } |
| 2070 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2071 | void CompoundType::getAlignmentAndSize(size_t *align, size_t *size) const { |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2072 | CompoundLayout layout = getCompoundAlignmentAndSize(); |
| 2073 | *align = layout.overall.align; |
| 2074 | *size = layout.overall.size; |
| 2075 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2076 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2077 | CompoundType::CompoundLayout CompoundType::getCompoundAlignmentAndSize() const { |
| 2078 | CompoundLayout compoundLayout; |
| 2079 | |
| 2080 | // Local aliases for convenience |
| 2081 | Layout& overall = compoundLayout.overall; |
| 2082 | Layout& innerStruct = compoundLayout.innerStruct; |
| 2083 | Layout& discriminator = compoundLayout.discriminator; |
| 2084 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 2085 | if (mStyle == STYLE_SAFE_UNION && !mFields->empty()) { |
| 2086 | getUnionDiscriminatorType()->getAlignmentAndSize( |
| 2087 | &(discriminator.align), &(discriminator.size)); |
| 2088 | |
| 2089 | innerStruct.offset = discriminator.size; |
| 2090 | } |
| 2091 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2092 | for (const auto &field : *mFields) { |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2093 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2094 | // Each field is aligned according to its alignment requirement. |
| 2095 | // The surrounding structure's alignment is the maximum of its |
| 2096 | // fields' aligments. |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2097 | size_t fieldAlign, fieldSize; |
| 2098 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2099 | size_t lPad = Layout::getPad(innerStruct.size, fieldAlign); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2100 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2101 | innerStruct.size = (mStyle == STYLE_STRUCT) |
| 2102 | ? (innerStruct.size + lPad + fieldSize) |
| 2103 | : std::max(innerStruct.size, fieldSize); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2104 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2105 | innerStruct.align = std::max(innerStruct.align, fieldAlign); |
| 2106 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2107 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 2108 | // Pad the inner structure's size |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2109 | innerStruct.size += Layout::getPad(innerStruct.size, |
| 2110 | innerStruct.align); |
| 2111 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 2112 | // Compute its final offset |
| 2113 | innerStruct.offset += Layout::getPad(innerStruct.offset, |
| 2114 | innerStruct.align); |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2115 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 2116 | overall.size = innerStruct.offset + innerStruct.size; |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2117 | |
| 2118 | // An empty struct/union still occupies a byte of space in C++. |
| 2119 | if (overall.size == 0) { |
| 2120 | overall.size = 1; |
| 2121 | } |
| 2122 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 2123 | // Pad the overall structure's size |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2124 | overall.align = std::max(innerStruct.align, discriminator.align); |
| 2125 | overall.size += Layout::getPad(overall.size, overall.align); |
| 2126 | |
| 2127 | return compoundLayout; |
| 2128 | } |
| 2129 | |
| 2130 | std::unique_ptr<ScalarType> CompoundType::getUnionDiscriminatorType() const { |
| 2131 | static const std::vector<std::pair<int, ScalarType::Kind> > scalars { |
| 2132 | {8, ScalarType::Kind::KIND_UINT8}, |
| 2133 | {16, ScalarType::Kind::KIND_UINT16}, |
| 2134 | {32, ScalarType::Kind::KIND_UINT32}, |
| 2135 | }; |
| 2136 | |
| 2137 | size_t numFields = mFields->size() + 1; // +1 for no_init |
| 2138 | auto kind = ScalarType::Kind::KIND_UINT64; |
| 2139 | |
| 2140 | for (const auto& scalar : scalars) { |
| 2141 | if (numFields <= (1ULL << scalar.first)) { |
| 2142 | kind = scalar.second; break; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2143 | } |
| 2144 | } |
| 2145 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2146 | return std::unique_ptr<ScalarType>(new ScalarType(kind, NULL)); |
| 2147 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2148 | |
Nirav Atre | 0ab8265 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2149 | size_t CompoundType::Layout::getPad(size_t offset, size_t align) { |
| 2150 | size_t remainder = offset % align; |
| 2151 | return (remainder > 0) ? (align - remainder) : 0; |
Andreas Huber | 70a59e1 | 2016-08-16 12:57:01 -0700 | [diff] [blame] | 2152 | } |
| 2153 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 2154 | } // namespace android |
| 2155 | |