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 | 45e76d5 | 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) |
Yi Kong | 56758da | 2018-07-24 16:21:37 -0700 | [diff] [blame] | 32 | : Scope(localName, fullName, location, parent), mStyle(style), mFields(nullptr) {} |
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 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 73 | if (mStyle == STYLE_SAFE_UNION && mFields->size() < 2) { |
| 74 | std::cerr << "ERROR: Safe union must contain at least two types to be useful at " |
| 75 | << location() << "\n"; |
| 76 | return UNKNOWN_ERROR; |
| 77 | } |
| 78 | |
Timur Iskhakov | cec46c4 | 2017-08-09 00:22:02 -0700 | [diff] [blame] | 79 | status_t err = validateUniqueNames(); |
| 80 | if (err != OK) return err; |
| 81 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 82 | err = validateSubTypeNames(); |
| 83 | if (err != OK) return err; |
| 84 | |
Timur Iskhakov | cec46c4 | 2017-08-09 00:22:02 -0700 | [diff] [blame] | 85 | return Scope::validate(); |
| 86 | } |
| 87 | |
| 88 | status_t CompoundType::validateUniqueNames() const { |
| 89 | std::unordered_set<std::string> names; |
| 90 | |
| 91 | for (const auto* field : *mFields) { |
| 92 | if (names.find(field->name()) != names.end()) { |
| 93 | std::cerr << "ERROR: Redefinition of field '" << field->name() << "' at " |
| 94 | << field->location() << "\n"; |
| 95 | return UNKNOWN_ERROR; |
| 96 | } |
| 97 | names.insert(field->name()); |
| 98 | } |
| 99 | |
| 100 | return OK; |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 101 | } |
| 102 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 103 | void CompoundType::emitInvalidSubTypeNamesError(const std::string& subTypeName, |
| 104 | const Location& location) const { |
| 105 | std::cerr << "ERROR: Type name '" << subTypeName << "' defined at " |
| 106 | << location << " conflicts with a member function of " |
| 107 | << "safe_union " << localName() << ". Consider renaming or " |
| 108 | << "moving its definition outside the safe_union scope.\n"; |
| 109 | } |
| 110 | |
| 111 | status_t CompoundType::validateSubTypeNames() const { |
| 112 | if (mStyle != STYLE_SAFE_UNION) { return OK; } |
| 113 | const auto& subTypes = Scope::getSubTypes(); |
| 114 | |
| 115 | for (const auto& subType : subTypes) { |
| 116 | if (subType->localName() == "getDiscriminator") { |
| 117 | emitInvalidSubTypeNamesError(subType->localName(), |
| 118 | subType->location()); |
| 119 | return UNKNOWN_ERROR; |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | return OK; |
| 124 | } |
| 125 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 126 | bool CompoundType::isCompoundType() const { |
| 127 | return true; |
| 128 | } |
| 129 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 130 | bool CompoundType::deepCanCheckEquality(std::unordered_set<const Type*>* visited) const { |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 131 | if (mStyle == STYLE_UNION) { |
| 132 | return false; |
| 133 | } |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 134 | for (const auto* field : *mFields) { |
| 135 | if (!field->get()->canCheckEquality(visited)) { |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 136 | return false; |
| 137 | } |
| 138 | } |
| 139 | return true; |
| 140 | } |
| 141 | |
Steven Moreland | 0ecc7b8 | 2017-07-19 12:59:23 -0700 | [diff] [blame] | 142 | std::string CompoundType::typeName() const { |
| 143 | switch (mStyle) { |
| 144 | case STYLE_STRUCT: { |
| 145 | return "struct " + localName(); |
| 146 | } |
| 147 | case STYLE_UNION: { |
| 148 | return "union " + localName(); |
| 149 | } |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 150 | case STYLE_SAFE_UNION: { |
| 151 | return "safe_union " + localName(); |
| 152 | } |
Steven Moreland | 0ecc7b8 | 2017-07-19 12:59:23 -0700 | [diff] [blame] | 153 | } |
| 154 | CHECK(!"Should not be here"); |
| 155 | } |
| 156 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 157 | std::string CompoundType::getCppType( |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 158 | StorageMode mode, |
Steven Moreland | e30ee9b | 2017-05-09 13:31:01 -0700 | [diff] [blame] | 159 | bool /* specifyNamespaces */) const { |
| 160 | const std::string base = fullName(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 161 | |
| 162 | switch (mode) { |
| 163 | case StorageMode_Stack: |
| 164 | return base; |
| 165 | |
| 166 | case StorageMode_Argument: |
| 167 | return "const " + base + "&"; |
| 168 | |
| 169 | case StorageMode_Result: |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 170 | return base + (containsInterface()?"":"*"); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 171 | } |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 172 | CHECK(!"Should not be here"); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 173 | } |
| 174 | |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 175 | std::string CompoundType::getJavaType(bool /* forInitializer */) const { |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 176 | return fullJavaName(); |
| 177 | } |
| 178 | |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 179 | std::string CompoundType::getVtsType() const { |
| 180 | switch (mStyle) { |
| 181 | case STYLE_STRUCT: |
| 182 | { |
| 183 | return "TYPE_STRUCT"; |
| 184 | } |
| 185 | case STYLE_UNION: |
| 186 | { |
| 187 | return "TYPE_UNION"; |
| 188 | } |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 189 | case STYLE_SAFE_UNION: |
| 190 | { |
| 191 | return "TYPE_SAFE_UNION"; |
| 192 | } |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 193 | } |
Steven Moreland | 0ecc7b8 | 2017-07-19 12:59:23 -0700 | [diff] [blame] | 194 | CHECK(!"Should not be here"); |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 195 | } |
| 196 | |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 197 | bool CompoundType::containsInterface() const { |
| 198 | for (const auto& field : *mFields) { |
| 199 | if (field->type().isCompoundType()) { |
| 200 | const Type& t = field->type(); |
| 201 | const CompoundType* ct = static_cast<const CompoundType*>(&t); |
| 202 | if (ct->containsInterface()) { |
| 203 | return true; |
| 204 | } |
| 205 | } |
| 206 | if (field->type().isInterface()) { |
| 207 | return true; |
| 208 | } |
| 209 | } |
| 210 | return false; |
| 211 | } |
| 212 | |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 213 | void CompoundType::emitSafeUnionUnknownDiscriminatorError(Formatter& out, |
| 214 | const std::string& value) const { |
Steven Moreland | 9b37ed1 | 2018-10-25 11:10:57 -0700 | [diff] [blame] | 215 | out << "::android::hardware::details::logAlwaysFatal((\n"; |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 216 | out.indent(2, [&] { |
| 217 | out << "\"Unknown union discriminator (value: \" +\n" |
| 218 | << "std::to_string(" << getUnionDiscriminatorType()->getCppTypeCast(value) |
| 219 | << ") + \").\").c_str());\n"; |
| 220 | }); |
| 221 | } |
| 222 | |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 223 | void CompoundType::emitSafeUnionReaderWriterForInterfaces( |
| 224 | Formatter &out, |
| 225 | const std::string &name, |
| 226 | const std::string &parcelObj, |
| 227 | bool parcelObjIsPointer, |
| 228 | bool isReader, |
| 229 | ErrorMode mode) const { |
| 230 | |
| 231 | CHECK(mStyle == STYLE_SAFE_UNION); |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 232 | |
| 233 | out.block([&] { |
| 234 | const auto discriminatorType = getUnionDiscriminatorType(); |
| 235 | if (isReader) { |
| 236 | out << discriminatorType->getCppStackType() |
| 237 | << " _hidl_d_primitive;\n"; |
| 238 | } else { |
| 239 | out << "const " |
| 240 | << discriminatorType->getCppStackType() |
| 241 | << " _hidl_d_primitive = " |
| 242 | << discriminatorType->getCppTypeCast(name + ".getDiscriminator()") |
| 243 | << ";\n"; |
| 244 | } |
| 245 | |
| 246 | getUnionDiscriminatorType()->emitReaderWriter(out, "_hidl_d_primitive", parcelObj, |
| 247 | parcelObjIsPointer, isReader, mode); |
| 248 | out << "switch ((" |
| 249 | << fullName() |
| 250 | << "::hidl_discriminator) _hidl_d_primitive) "; |
| 251 | |
| 252 | out.block([&] { |
| 253 | for (const auto& field : *mFields) { |
| 254 | out << "case " |
| 255 | << fullName() |
| 256 | << "::hidl_discriminator::" |
| 257 | << field->name() |
| 258 | << ": "; |
| 259 | |
| 260 | const std::string tempFieldName = "_hidl_temp_" + field->name(); |
| 261 | out.block([&] { |
| 262 | if (isReader) { |
| 263 | out << field->type().getCppResultType() |
| 264 | << " " |
| 265 | << tempFieldName |
| 266 | << ";\n"; |
| 267 | |
| 268 | field->type().emitReaderWriter(out, tempFieldName, parcelObj, |
| 269 | parcelObjIsPointer, isReader, mode); |
| 270 | |
| 271 | const std::string derefOperator = field->type().resultNeedsDeref() |
| 272 | ? "*" : ""; |
| 273 | out << name |
| 274 | << "." |
| 275 | << field->name() |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 276 | << "(std::move(" |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 277 | << derefOperator |
| 278 | << tempFieldName |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 279 | << "));\n"; |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 280 | } else { |
| 281 | const std::string fieldValue = name + "." + field->name() + "()"; |
| 282 | out << field->type().getCppArgumentType() |
| 283 | << " " |
| 284 | << tempFieldName |
| 285 | << " = " |
| 286 | << fieldValue |
| 287 | << ";\n"; |
| 288 | |
| 289 | field->type().emitReaderWriter(out, tempFieldName, parcelObj, |
| 290 | parcelObjIsPointer, isReader, mode); |
| 291 | } |
| 292 | out << "break;\n"; |
| 293 | }).endl(); |
| 294 | } |
| 295 | |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 296 | out << "default: "; |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 297 | out.block([&] { emitSafeUnionUnknownDiscriminatorError(out, "_hidl_d_primitive"); }) |
| 298 | .endl(); |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 299 | }).endl(); |
| 300 | }).endl(); |
| 301 | } |
| 302 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 303 | void CompoundType::emitReaderWriter( |
| 304 | Formatter &out, |
| 305 | const std::string &name, |
| 306 | const std::string &parcelObj, |
| 307 | bool parcelObjIsPointer, |
| 308 | bool isReader, |
| 309 | ErrorMode mode) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 310 | |
| 311 | const std::string parcelObjDeref = |
| 312 | parcelObj + (parcelObjIsPointer ? "->" : "."); |
| 313 | |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 314 | if(containsInterface()){ |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 315 | if (mStyle == STYLE_SAFE_UNION) { |
| 316 | emitSafeUnionReaderWriterForInterfaces(out, name, parcelObj, |
| 317 | parcelObjIsPointer, |
| 318 | isReader, mode); |
| 319 | return; |
| 320 | } |
| 321 | |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 322 | for (const auto& field : *mFields) { |
Nirav Atre | 1d56562 | 2018-07-13 15:41:21 -0700 | [diff] [blame] | 323 | const std::string tempFieldName = "_hidl_temp_" + field->name(); |
| 324 | const std::string fieldValue = name + "." + field->name(); |
| 325 | |
| 326 | out.block([&] { |
| 327 | if (isReader) { |
| 328 | out << field->type().getCppResultType() |
| 329 | << " " |
| 330 | << tempFieldName |
| 331 | << ";\n"; |
| 332 | } else { |
| 333 | out << field->type().getCppArgumentType() |
| 334 | << " " |
| 335 | << tempFieldName |
| 336 | << " = " |
| 337 | << fieldValue |
| 338 | << ";\n"; |
| 339 | } |
| 340 | |
| 341 | field->type().emitReaderWriter(out, tempFieldName, parcelObj, |
| 342 | parcelObjIsPointer, isReader, mode); |
| 343 | if (isReader) { |
| 344 | const std::string derefOperator = field->type().resultNeedsDeref() |
| 345 | ? "*" : ""; |
| 346 | out << fieldValue |
| 347 | << " = std::move(" |
| 348 | << derefOperator |
| 349 | << tempFieldName |
| 350 | << ");\n"; |
| 351 | } |
| 352 | }).endl(); |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 353 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 354 | } else { |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 355 | const std::string parentName = "_hidl_" + name + "_parent"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 356 | |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 357 | out << "size_t " << parentName << ";\n\n"; |
| 358 | |
| 359 | if (isReader) { |
| 360 | out << "_hidl_err = " << parcelObjDeref << "readBuffer(" |
| 361 | << "sizeof(*" << name << "), &" << parentName << ", " |
| 362 | << " const_cast<const void**>(reinterpret_cast<void **>(" |
| 363 | << "&" << name << ")));\n"; |
| 364 | handleError(out, mode); |
| 365 | } else { |
| 366 | out << "_hidl_err = " |
| 367 | << parcelObjDeref |
| 368 | << "writeBuffer(&" |
| 369 | << name |
| 370 | << ", sizeof(" |
| 371 | << name |
| 372 | << "), &" |
| 373 | << parentName |
| 374 | << ");\n"; |
| 375 | handleError(out, mode); |
| 376 | } |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 377 | |
| 378 | bool needEmbeddedReadWrite = needsEmbeddedReadWrite(); |
| 379 | CHECK(mStyle != STYLE_UNION || !needEmbeddedReadWrite); |
| 380 | |
| 381 | if (needEmbeddedReadWrite) { |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 382 | emitReaderWriterEmbedded(out, 0 /* depth */, name, name, /* sanitizedName */ |
| 383 | isReader /* nameIsPointer */, parcelObj, parcelObjIsPointer, |
| 384 | isReader, mode, parentName, "0 /* parentOffset */"); |
| 385 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 386 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 387 | } |
| 388 | |
| 389 | void CompoundType::emitReaderWriterEmbedded( |
| 390 | Formatter &out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 391 | size_t /* depth */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 392 | const std::string &name, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 393 | const std::string & /*sanitizedName */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 394 | bool nameIsPointer, |
| 395 | const std::string &parcelObj, |
| 396 | bool parcelObjIsPointer, |
| 397 | bool isReader, |
| 398 | ErrorMode mode, |
| 399 | const std::string &parentName, |
| 400 | const std::string &offsetText) const { |
| 401 | emitReaderWriterEmbeddedForTypeName( |
| 402 | out, |
| 403 | name, |
| 404 | nameIsPointer, |
| 405 | parcelObj, |
| 406 | parcelObjIsPointer, |
| 407 | isReader, |
| 408 | mode, |
| 409 | parentName, |
| 410 | offsetText, |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 411 | fullName(), |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 412 | "" /* childName */, |
| 413 | "" /* namespace */); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 414 | } |
| 415 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 416 | void CompoundType::emitJavaReaderWriter( |
| 417 | Formatter &out, |
| 418 | const std::string &parcelObj, |
| 419 | const std::string &argName, |
| 420 | bool isReader) const { |
| 421 | if (isReader) { |
| 422 | out << "new " << fullJavaName() << "();\n"; |
| 423 | } |
| 424 | |
Steven Moreland | c22e812 | 2018-10-10 13:06:39 -0700 | [diff] [blame] | 425 | out << "(" << getJavaTypeCast(argName) << ")." |
| 426 | << (isReader ? "readFromParcel" : "writeToParcel") << "(" << parcelObj << ");\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 427 | } |
| 428 | |
| 429 | void CompoundType::emitJavaFieldInitializer( |
| 430 | Formatter &out, const std::string &fieldName) const { |
Nirav Atre | 1d56562 | 2018-07-13 15:41:21 -0700 | [diff] [blame] | 431 | const std::string fieldDeclaration = fullJavaName() + " " + fieldName; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 432 | emitJavaFieldDefaultInitialValue(out, fieldDeclaration); |
| 433 | } |
| 434 | |
| 435 | void CompoundType::emitJavaFieldDefaultInitialValue( |
| 436 | Formatter &out, const std::string &declaredFieldName) const { |
| 437 | out << declaredFieldName |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 438 | << " = new " |
| 439 | << fullJavaName() |
| 440 | << "();\n"; |
| 441 | } |
| 442 | |
| 443 | void CompoundType::emitJavaFieldReaderWriter( |
| 444 | Formatter &out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 445 | size_t /* depth */, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 446 | const std::string &parcelName, |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 447 | const std::string &blobName, |
| 448 | const std::string &fieldName, |
| 449 | const std::string &offset, |
| 450 | bool isReader) const { |
| 451 | if (isReader) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 452 | out << "(" |
| 453 | << getJavaTypeCast(fieldName) |
| 454 | << ").readEmbeddedFromParcel(" |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 455 | << parcelName |
| 456 | << ", " |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 457 | << blobName |
| 458 | << ", " |
| 459 | << offset |
| 460 | << ");\n"; |
| 461 | |
| 462 | return; |
| 463 | } |
| 464 | |
| 465 | out << fieldName |
| 466 | << ".writeEmbeddedToBlob(" |
| 467 | << blobName |
| 468 | << ", " |
| 469 | << offset |
| 470 | << ");\n"; |
| 471 | } |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 472 | void CompoundType::emitResolveReferences( |
| 473 | Formatter &out, |
| 474 | const std::string &name, |
| 475 | bool nameIsPointer, |
| 476 | const std::string &parcelObj, |
| 477 | bool parcelObjIsPointer, |
| 478 | bool isReader, |
| 479 | ErrorMode mode) const { |
| 480 | emitResolveReferencesEmbedded( |
| 481 | out, |
| 482 | 0 /* depth */, |
| 483 | name, |
| 484 | name /* sanitizedName */, |
| 485 | nameIsPointer, |
| 486 | parcelObj, |
| 487 | parcelObjIsPointer, |
| 488 | isReader, |
| 489 | mode, |
| 490 | "_hidl_" + name + "_parent", |
| 491 | "0 /* parentOffset */"); |
| 492 | } |
| 493 | |
| 494 | void CompoundType::emitResolveReferencesEmbedded( |
| 495 | Formatter &out, |
| 496 | size_t /* depth */, |
| 497 | const std::string &name, |
| 498 | const std::string &/* sanitizedName */, |
| 499 | bool nameIsPointer, |
| 500 | const std::string &parcelObj, |
| 501 | bool parcelObjIsPointer, |
| 502 | bool isReader, |
| 503 | ErrorMode mode, |
| 504 | const std::string &parentName, |
| 505 | const std::string &offsetText) const { |
| 506 | CHECK(needsResolveReferences()); |
| 507 | |
| 508 | const std::string parcelObjDeref = |
| 509 | parcelObjIsPointer ? ("*" + parcelObj) : parcelObj; |
| 510 | |
| 511 | const std::string parcelObjPointer = |
| 512 | parcelObjIsPointer ? parcelObj : ("&" + parcelObj); |
| 513 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 514 | const std::string nameDerefed = nameIsPointer ? ("*" + name) : name; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 515 | const std::string namePointer = nameIsPointer ? name : ("&" + name); |
| 516 | |
| 517 | out << "_hidl_err = "; |
| 518 | |
| 519 | if (isReader) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 520 | out << "readEmbeddedReferenceFromParcel(\n"; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 521 | } else { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 522 | out << "writeEmbeddedReferenceToParcel(\n"; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 523 | } |
| 524 | |
Yifan Hong | 33223ca | 2016-12-13 15:07:35 -0800 | [diff] [blame] | 525 | out.indent(2, [&]{ |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 526 | if (isReader) { |
| 527 | out << "const_cast<" |
| 528 | << fullName() |
| 529 | << " *" |
| 530 | << ">(" |
| 531 | << namePointer |
| 532 | << "),\n" |
| 533 | << parcelObjDeref; |
| 534 | } else { |
| 535 | out << nameDerefed |
| 536 | << ",\n" |
| 537 | << parcelObjPointer; |
| 538 | } |
| 539 | |
| 540 | out << ",\n" |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 541 | << parentName |
| 542 | << ",\n" |
| 543 | << offsetText |
| 544 | << ");\n\n"; |
| 545 | }); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 546 | |
| 547 | handleError(out, mode); |
| 548 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 549 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 550 | void CompoundType::emitLayoutAsserts(Formatter& out, const Layout& layout, |
| 551 | const std::string& layoutName) const { |
| 552 | out << "static_assert(sizeof(" |
| 553 | << fullName() |
| 554 | << layoutName |
| 555 | << ") == " |
| 556 | << layout.size |
| 557 | << ", \"wrong size\");\n"; |
| 558 | |
| 559 | out << "static_assert(__alignof(" |
| 560 | << fullName() |
| 561 | << layoutName |
| 562 | << ") == " |
| 563 | << layout.align |
| 564 | << ", \"wrong alignment\");\n"; |
| 565 | } |
| 566 | |
| 567 | void CompoundType::emitSafeUnionTypeDeclarations(Formatter& out) const { |
| 568 | out << "struct " |
| 569 | << localName() |
| 570 | << " final {\n"; |
| 571 | |
| 572 | out.indent(); |
| 573 | |
| 574 | Scope::emitTypeDeclarations(out); |
| 575 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 576 | bool hasPointer = containsPointer(); |
| 577 | CompoundLayout layout = hasPointer |
| 578 | ? CompoundLayout() |
| 579 | : getCompoundAlignmentAndSize(); |
| 580 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 581 | out << "enum class hidl_discriminator : " |
| 582 | << getUnionDiscriminatorType()->getCppType(StorageMode_Stack, false) |
| 583 | << " "; |
| 584 | |
| 585 | out.block([&] { |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 586 | const auto elements = getSafeUnionEnumElements(true /* useCppTypeName */); |
| 587 | for (size_t i = 0; i < elements.size(); i++) { |
| 588 | out << elements[i].fieldName |
| 589 | << " = " |
| 590 | << i |
| 591 | << ","; |
| 592 | |
| 593 | if (!elements[i].fieldTypeName.empty()) { |
| 594 | out << " // " |
| 595 | << elements[i].fieldTypeName; |
| 596 | } |
| 597 | out << "\n"; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 598 | } |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 599 | }); |
| 600 | out << ";\n\n"; |
| 601 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 602 | out << localName() << "();\n" // Constructor |
| 603 | << "~" << localName() << "();\n" // Destructor |
| 604 | << localName() << "(" << localName() << "&&);\n" // Move constructor |
| 605 | << localName() << "(const " << localName() << "&);\n" // Copy constructor |
| 606 | << localName() << "& operator=(" << localName() << "&&);\n" // Move assignment |
| 607 | << localName() << "& operator=(const " << localName() << "&);\n\n"; // Copy assignment |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 608 | |
| 609 | for (const auto& field : *mFields) { |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 610 | // Setter (copy) |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 611 | out << "void " |
| 612 | << field->name() |
| 613 | << "(" |
| 614 | << field->type().getCppArgumentType() |
| 615 | << ");\n"; |
| 616 | |
Steven Moreland | 492bada | 2018-09-13 16:12:32 -0700 | [diff] [blame] | 617 | if (field->type().resolveToScalarType() == nullptr) { |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 618 | // Setter (move) |
| 619 | out << "void " |
| 620 | << field->name() |
| 621 | << "(" |
| 622 | << field->type().getCppStackType() |
| 623 | << "&&);\n"; |
| 624 | } |
| 625 | |
| 626 | // Getter (mutable) |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 627 | out << field->type().getCppStackType() |
| 628 | << "& " |
| 629 | << field->name() |
| 630 | << "();\n"; |
| 631 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 632 | // Getter (immutable) |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 633 | out << field->type().getCppArgumentType() |
| 634 | << " " |
| 635 | << field->name() |
| 636 | << "() const;\n\n"; |
| 637 | } |
| 638 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 639 | out << "// Utility methods\n"; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 640 | out << "hidl_discriminator getDiscriminator() const;\n\n"; |
| 641 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 642 | out << "constexpr size_t hidl_getUnionOffset() const "; |
| 643 | out.block([&] { |
| 644 | out << "return offsetof(" << fullName() << ", hidl_u);\n"; |
| 645 | }).endl().endl(); |
| 646 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 647 | out.unindent(); |
| 648 | out << "private:\n"; |
| 649 | out.indent(); |
| 650 | |
| 651 | out << "void hidl_destructUnion();\n\n"; |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 652 | |
| 653 | out << "hidl_discriminator hidl_d"; |
| 654 | if (!hasPointer) { |
| 655 | out << " __attribute__ ((aligned(" |
| 656 | << layout.discriminator.align << "))) "; |
| 657 | } |
Steven Moreland | 967c243 | 2018-10-10 12:50:43 -0700 | [diff] [blame] | 658 | out << ";\n"; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 659 | out << "union hidl_union final {\n"; |
| 660 | out.indent(); |
| 661 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 662 | for (const auto& field : *mFields) { |
| 663 | |
| 664 | size_t fieldAlign, fieldSize; |
| 665 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 666 | |
| 667 | out << field->type().getCppStackType() |
| 668 | << " " |
| 669 | << field->name(); |
| 670 | |
| 671 | if (!hasPointer) { |
| 672 | out << " __attribute__ ((aligned(" |
| 673 | << fieldAlign |
| 674 | << ")))"; |
| 675 | } |
| 676 | out << ";\n"; |
| 677 | } |
| 678 | |
| 679 | out << "\n" |
| 680 | << "hidl_union();\n" |
| 681 | << "~hidl_union();\n"; |
| 682 | |
| 683 | out.unindent(); |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 684 | out << "} hidl_u;\n"; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 685 | |
| 686 | if (!hasPointer) { |
| 687 | out << "\n"; |
| 688 | |
| 689 | emitLayoutAsserts(out, layout.innerStruct, "::hidl_union"); |
| 690 | emitLayoutAsserts(out, layout.discriminator, "::hidl_discriminator"); |
| 691 | } |
| 692 | |
| 693 | out.unindent(); |
| 694 | out << "};\n\n"; |
| 695 | |
| 696 | if (!hasPointer) { |
| 697 | emitLayoutAsserts(out, layout.overall, ""); |
| 698 | out << "\n"; |
| 699 | } |
| 700 | } |
| 701 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 702 | void CompoundType::emitTypeDeclarations(Formatter& out) const { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 703 | if (mStyle == STYLE_SAFE_UNION) { |
| 704 | emitSafeUnionTypeDeclarations(out); |
| 705 | return; |
| 706 | } |
| 707 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 708 | out << ((mStyle == STYLE_STRUCT) ? "struct" : "union") |
| 709 | << " " |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 710 | << localName() |
Yifan Hong | b1d2ebc | 2016-12-20 17:18:07 -0800 | [diff] [blame] | 711 | << " final {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 712 | |
| 713 | out.indent(); |
| 714 | |
| 715 | Scope::emitTypeDeclarations(out); |
| 716 | |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 717 | if (containsPointer()) { |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 718 | for (const auto &field : *mFields) { |
Steven Moreland | 49bad8d | 2018-05-17 15:45:26 -0700 | [diff] [blame] | 719 | field->emitDocComment(out); |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 720 | out << field->type().getCppStackType() |
| 721 | << " " |
| 722 | << field->name() |
| 723 | << ";\n"; |
| 724 | } |
| 725 | |
| 726 | out.unindent(); |
| 727 | out << "};\n\n"; |
| 728 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 729 | return; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 730 | } |
| 731 | |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 732 | for (int pass = 0; pass < 2; ++pass) { |
| 733 | size_t offset = 0; |
| 734 | for (const auto &field : *mFields) { |
| 735 | size_t fieldAlign, fieldSize; |
| 736 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 737 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 738 | offset += Layout::getPad(offset, fieldAlign); |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 739 | |
| 740 | if (pass == 0) { |
| 741 | out << field->type().getCppStackType() |
| 742 | << " " |
| 743 | << field->name() |
| 744 | << " __attribute__ ((aligned(" |
| 745 | << fieldAlign |
| 746 | << ")));\n"; |
| 747 | } else { |
| 748 | out << "static_assert(offsetof(" |
| 749 | << fullName() |
| 750 | << ", " |
| 751 | << field->name() |
| 752 | << ") == " |
| 753 | << offset |
| 754 | << ", \"wrong offset\");\n"; |
| 755 | } |
| 756 | |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 757 | if (mStyle == STYLE_STRUCT) { |
| 758 | offset += fieldSize; |
| 759 | } |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 760 | } |
| 761 | |
| 762 | if (pass == 0) { |
| 763 | out.unindent(); |
| 764 | out << "};\n\n"; |
| 765 | } |
| 766 | } |
| 767 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 768 | CompoundLayout layout = getCompoundAlignmentAndSize(); |
| 769 | emitLayoutAsserts(out, layout.overall, ""); |
| 770 | out << "\n"; |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 771 | } |
| 772 | |
Timur Iskhakov | fd3f250 | 2017-09-05 16:25:02 -0700 | [diff] [blame] | 773 | void CompoundType::emitTypeForwardDeclaration(Formatter& out) const { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 774 | switch (mStyle) { |
| 775 | case STYLE_UNION: { |
| 776 | out << "union"; |
| 777 | break; |
| 778 | } |
| 779 | case STYLE_STRUCT: |
| 780 | case STYLE_SAFE_UNION: { |
| 781 | out << "struct"; |
| 782 | break; |
| 783 | } |
| 784 | default: { |
| 785 | CHECK(!"Should not be here"); |
| 786 | } |
| 787 | } |
| 788 | out << " " << localName() << ";\n"; |
Timur Iskhakov | fd3f250 | 2017-09-05 16:25:02 -0700 | [diff] [blame] | 789 | } |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 790 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 791 | void CompoundType::emitPackageTypeDeclarations(Formatter& out) const { |
Steven Moreland | 4b8f7a1 | 2017-11-17 15:39:54 -0800 | [diff] [blame] | 792 | Scope::emitPackageTypeDeclarations(out); |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 793 | |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 794 | out << "static inline std::string toString(" |
| 795 | << getCppArgumentType() |
| 796 | << (mFields->empty() ? "" : " o") |
Steven Moreland | 09c6ebe | 2018-10-09 10:15:48 -0700 | [diff] [blame] | 797 | << ");\n"; |
| 798 | |
| 799 | if (canCheckEquality()) { |
| 800 | out << "static inline bool operator==(" |
| 801 | << getCppArgumentType() << " lhs, " << getCppArgumentType() << " rhs);\n"; |
| 802 | |
| 803 | out << "static inline bool operator!=(" |
| 804 | << getCppArgumentType() << " lhs, " << getCppArgumentType() << " rhs);\n"; |
| 805 | } else { |
| 806 | out << "// operator== and operator!= are not generated for " << localName() << "\n"; |
| 807 | } |
| 808 | |
| 809 | out.endl(); |
| 810 | } |
| 811 | |
| 812 | void CompoundType::emitPackageTypeHeaderDefinitions(Formatter& out) const { |
| 813 | Scope::emitPackageTypeHeaderDefinitions(out); |
| 814 | |
| 815 | out << "static inline std::string toString(" |
| 816 | << getCppArgumentType() |
| 817 | << (mFields->empty() ? "" : " o") |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 818 | << ") "; |
| 819 | |
| 820 | out.block([&] { |
| 821 | // include toString for scalar types |
| 822 | out << "using ::android::hardware::toString;\n" |
| 823 | << "std::string os;\n"; |
| 824 | out << "os += \"{\";\n"; |
| 825 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 826 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 827 | out << "\nswitch (o.getDiscriminator()) {\n"; |
| 828 | out.indent(); |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 829 | } |
| 830 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 831 | for (const NamedReference<Type>* field : *mFields) { |
| 832 | if (mStyle == STYLE_SAFE_UNION) { |
| 833 | out << "case " |
| 834 | << fullName() |
| 835 | << "::hidl_discriminator::" |
| 836 | << field->name() |
| 837 | << ": "; |
| 838 | |
| 839 | out.block([&] { |
| 840 | out << "os += \"." |
| 841 | << field->name() |
| 842 | << " = \";\n" |
| 843 | << "os += toString(o." |
| 844 | << field->name() |
| 845 | << "());\n" |
| 846 | << "break;\n"; |
| 847 | }).endl(); |
| 848 | } else { |
| 849 | out << "os += \""; |
| 850 | if (field != *(mFields->begin())) { |
| 851 | out << ", "; |
| 852 | } |
| 853 | out << "." << field->name() << " = \";\n"; |
| 854 | field->type().emitDump(out, "os", "o." + field->name()); |
| 855 | } |
| 856 | } |
| 857 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 858 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 859 | out << "default: "; |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 860 | out.block([&] { emitSafeUnionUnknownDiscriminatorError(out, "o.getDiscriminator()"); }) |
| 861 | .endl(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 862 | |
| 863 | out.unindent(); |
| 864 | out << "}\n"; |
| 865 | } |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 866 | out << "os += \"}\"; return os;\n"; |
| 867 | }).endl().endl(); |
| 868 | |
| 869 | if (canCheckEquality()) { |
| 870 | out << "static inline bool operator==(" |
| 871 | << getCppArgumentType() << " " << (mFields->empty() ? "/* lhs */" : "lhs") << ", " |
| 872 | << getCppArgumentType() << " " << (mFields->empty() ? "/* rhs */" : "rhs") << ") "; |
| 873 | out.block([&] { |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 874 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 875 | out.sIf("lhs.getDiscriminator() != rhs.getDiscriminator()", [&] { |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 876 | out << "return false;\n"; |
| 877 | }).endl(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 878 | |
| 879 | out << "switch (lhs.getDiscriminator()) {\n"; |
| 880 | out.indent(); |
| 881 | } |
| 882 | |
| 883 | for (const auto& field : *mFields) { |
| 884 | if (mStyle == STYLE_SAFE_UNION) { |
| 885 | out << "case " |
| 886 | << fullName() |
| 887 | << "::hidl_discriminator::" |
| 888 | << field->name() |
| 889 | << ": "; |
| 890 | |
| 891 | out.block([&] { |
| 892 | out << "return (lhs." |
| 893 | << field->name() |
| 894 | << "() == rhs." |
| 895 | << field->name() |
| 896 | << "());\n"; |
| 897 | }).endl(); |
| 898 | } else { |
| 899 | out.sIf("lhs." + field->name() + " != rhs." + field->name(), [&] { |
| 900 | out << "return false;\n"; |
| 901 | }).endl(); |
| 902 | } |
| 903 | } |
| 904 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 905 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 906 | out << "default: "; |
| 907 | out.block([&] { |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 908 | emitSafeUnionUnknownDiscriminatorError(out, "lhs.getDiscriminator()"); |
| 909 | }) |
| 910 | .endl(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 911 | |
| 912 | out.unindent(); |
| 913 | out << "}\n"; |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 914 | } |
| 915 | out << "return true;\n"; |
| 916 | }).endl().endl(); |
| 917 | |
| 918 | out << "static inline bool operator!=(" |
Steven Moreland | 09c6ebe | 2018-10-09 10:15:48 -0700 | [diff] [blame] | 919 | << getCppArgumentType() << " lhs, " << getCppArgumentType() << " rhs)"; |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 920 | out.block([&] { |
| 921 | out << "return !(lhs == rhs);\n"; |
| 922 | }).endl().endl(); |
Yifan Hong | 42c6843 | 2017-03-13 16:22:03 -0700 | [diff] [blame] | 923 | } else { |
Steven Moreland | f91048a | 2017-06-23 21:38:35 +0000 | [diff] [blame] | 924 | out << "// operator== and operator!= are not generated for " << localName() << "\n\n"; |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 925 | } |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 926 | } |
| 927 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 928 | void CompoundType::emitPackageHwDeclarations(Formatter& out) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 929 | if (needsEmbeddedReadWrite()) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 930 | out << "::android::status_t readEmbeddedFromParcel(\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 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 | |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 934 | out << "const " << fullName() << " &obj,\n" |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 935 | << "const ::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 | out << "::android::status_t writeEmbeddedToParcel(\n"; |
| 942 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 943 | out.indent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 944 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 945 | out << "const " << fullName() << " &obj,\n" |
| 946 | << "::android::hardware::Parcel *parcel,\n" |
| 947 | << "size_t parentHandle,\n" |
| 948 | << "size_t parentOffset);\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 949 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 950 | out.unindent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 951 | } |
| 952 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 953 | if(needsResolveReferences()) { |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 954 | out << "::android::status_t readEmbeddedReferenceFromParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 955 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 956 | out << fullName() << " *obj,\n" |
| 957 | << "const ::android::hardware::Parcel &parcel,\n" |
| 958 | << "size_t parentHandle, size_t parentOffset);\n\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 959 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 960 | out << "::android::status_t writeEmbeddedReferenceToParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 961 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 962 | out << "const " << fullName() << " &obj,\n" |
| 963 | << "::android::hardware::Parcel *,\n" |
| 964 | << "size_t parentHandle, size_t parentOffset);\n\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 965 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 966 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 967 | } |
| 968 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 969 | static void emitSafeUnionFieldConstructor(Formatter& out, |
| 970 | const NamedReference<Type>* field, |
| 971 | const std::string& initializerObjectName) { |
| 972 | out << "new (&hidl_u." |
| 973 | << field->name() |
| 974 | << ") " |
| 975 | << field->type().getCppStackType() |
| 976 | << "(" |
| 977 | << initializerObjectName |
| 978 | << ");\n"; |
| 979 | } |
| 980 | |
| 981 | static void emitSafeUnionSetterDefinition(Formatter& out, |
| 982 | const NamedReference<Type>* field, |
| 983 | const std::string& parameterName, |
| 984 | bool usesMoveSemantics) { |
| 985 | out.block([&] { |
| 986 | out << "if (hidl_d != hidl_discriminator::" |
| 987 | << field->name() |
| 988 | << ") "; |
| 989 | |
| 990 | const std::string argumentName = usesMoveSemantics |
| 991 | ? ("std::move(" + parameterName + ")") |
| 992 | : parameterName; |
| 993 | out.block([&] { |
| 994 | out << "hidl_destructUnion();\n" |
| 995 | << "::std::memset(&hidl_u, 0, sizeof(hidl_u));\n\n"; |
| 996 | |
| 997 | emitSafeUnionFieldConstructor(out, field, argumentName); |
| 998 | out << "hidl_d = hidl_discriminator::" |
| 999 | << field->name() |
| 1000 | << ";\n"; |
| 1001 | }).endl(); |
| 1002 | |
| 1003 | out << "else if (&(hidl_u." |
| 1004 | << field->name() |
| 1005 | << ") != &" |
| 1006 | << parameterName |
| 1007 | << ") "; |
| 1008 | |
| 1009 | out.block([&] { |
| 1010 | out << "hidl_u." |
| 1011 | << field->name() |
| 1012 | << " = " |
| 1013 | << argumentName |
| 1014 | << ";\n"; |
| 1015 | }).endl(); |
| 1016 | }).endl().endl(); |
| 1017 | } |
| 1018 | |
| 1019 | static void emitSafeUnionGetterDefinition(Formatter& out, const std::string& fieldName) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1020 | out.block([&] { |
| 1021 | out << "if (CC_UNLIKELY(hidl_d != hidl_discriminator::" |
| 1022 | << fieldName |
| 1023 | << ")) "; |
| 1024 | |
| 1025 | out.block([&] { |
Steven Moreland | 9b37ed1 | 2018-10-25 11:10:57 -0700 | [diff] [blame] | 1026 | out << "::android::hardware::details::logAlwaysFatal(\"Bad safe_union access.\");\n"; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1027 | }).endl().endl(); |
| 1028 | |
| 1029 | out << "return hidl_u." |
| 1030 | << fieldName |
| 1031 | << ";\n"; |
| 1032 | }).endl().endl(); |
| 1033 | } |
| 1034 | |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 1035 | std::vector<CompoundType::SafeUnionEnumElement> CompoundType::getSafeUnionEnumElements( |
| 1036 | bool useCppTypeName) const { |
| 1037 | std::vector<SafeUnionEnumElement> elements; |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 1038 | |
| 1039 | for (const auto& field : *mFields) { |
| 1040 | const std::string fieldTypeName = useCppTypeName |
| 1041 | ? field->type().getCppStackType(true /* specifyNamespaces */) |
| 1042 | : field->type().getJavaType(true /* forInitializer */); |
| 1043 | |
| 1044 | elements.push_back({field->name(), fieldTypeName}); |
| 1045 | } |
| 1046 | |
| 1047 | return elements; |
| 1048 | } |
| 1049 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1050 | void CompoundType::emitSafeUnionCopyAndAssignDefinition(Formatter& out, |
| 1051 | const std::string& parameterName, |
| 1052 | bool isCopyConstructor, |
| 1053 | bool usesMoveSemantics) const { |
| 1054 | out.block([&] { |
| 1055 | if (!isCopyConstructor) { |
| 1056 | out << "if (this == &" |
| 1057 | << parameterName |
| 1058 | << ") { return *this; }\n\n"; |
| 1059 | } |
| 1060 | |
| 1061 | out << "switch (" |
| 1062 | << parameterName |
| 1063 | << ".hidl_d) "; |
| 1064 | |
| 1065 | out.block([&] { |
| 1066 | for (const auto& field : *mFields) { |
| 1067 | const std::string parameterFieldName = (parameterName + ".hidl_u." + |
| 1068 | field->name()); |
| 1069 | |
| 1070 | const std::string argumentName = usesMoveSemantics |
| 1071 | ? ("std::move(" + parameterFieldName + ")") |
| 1072 | : parameterFieldName; |
| 1073 | |
| 1074 | out << "case hidl_discriminator::" |
| 1075 | << field->name() |
| 1076 | << ": "; |
| 1077 | |
| 1078 | if (isCopyConstructor) { |
| 1079 | out.block([&] { |
| 1080 | emitSafeUnionFieldConstructor(out, field, argumentName); |
| 1081 | out << "break;\n"; |
| 1082 | }).endl(); |
| 1083 | } else { |
| 1084 | out.block([&] { |
| 1085 | out << field->name() |
| 1086 | << "(" |
| 1087 | << argumentName |
| 1088 | << ");\n" |
| 1089 | << "break;\n"; |
| 1090 | }).endl(); |
| 1091 | } |
| 1092 | } |
| 1093 | |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1094 | out << "default: "; |
| 1095 | out.block( |
| 1096 | [&] { emitSafeUnionUnknownDiscriminatorError(out, parameterName + ".hidl_d"); }) |
| 1097 | .endl(); |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1098 | }).endl(); |
| 1099 | |
| 1100 | if (isCopyConstructor) { |
| 1101 | out << "\nhidl_d = " |
| 1102 | << parameterName |
| 1103 | << ".hidl_d;\n"; |
| 1104 | } else { |
| 1105 | out << "return *this;\n"; |
| 1106 | } |
| 1107 | }).endl().endl(); |
| 1108 | } |
| 1109 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1110 | void CompoundType::emitSafeUnionTypeConstructors(Formatter& out) const { |
| 1111 | |
| 1112 | // Default constructor |
| 1113 | out << fullName() |
| 1114 | << "::" |
| 1115 | << localName() |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 1116 | << "() "; |
| 1117 | |
| 1118 | out.block([&] { |
| 1119 | out << "static_assert(offsetof(" |
| 1120 | << fullName() |
| 1121 | << ", hidl_d) == 0, \"wrong offset\");\n"; |
| 1122 | |
| 1123 | if (!containsPointer()) { |
| 1124 | CompoundLayout layout = getCompoundAlignmentAndSize(); |
| 1125 | out << "static_assert(offsetof(" |
| 1126 | << fullName() |
| 1127 | << ", hidl_u) == " |
| 1128 | << layout.innerStruct.offset |
| 1129 | << ", \"wrong offset\");\n"; |
| 1130 | } |
Steven Moreland | 967c243 | 2018-10-10 12:50:43 -0700 | [diff] [blame] | 1131 | out.endl(); |
| 1132 | |
| 1133 | CHECK(!mFields->empty()); |
| 1134 | out << "hidl_d = hidl_discriminator::" << mFields->at(0)->name() << ";\n"; |
| 1135 | emitSafeUnionFieldConstructor(out, mFields->at(0), ""); |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 1136 | }).endl().endl(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1137 | |
| 1138 | // Destructor |
| 1139 | out << fullName() |
| 1140 | << "::~" |
| 1141 | << localName() |
| 1142 | << "() "; |
| 1143 | |
| 1144 | out.block([&] { |
| 1145 | out << "hidl_destructUnion();\n"; |
| 1146 | }).endl().endl(); |
| 1147 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1148 | // Move constructor |
| 1149 | out << fullName() |
| 1150 | << "::" |
| 1151 | << localName() |
| 1152 | << "(" |
| 1153 | << localName() |
| 1154 | << "&& other) "; |
| 1155 | |
| 1156 | emitSafeUnionCopyAndAssignDefinition( |
| 1157 | out, "other", true /* isCopyConstructor */, true /* usesMoveSemantics */); |
| 1158 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1159 | // Copy constructor |
| 1160 | out << fullName() |
| 1161 | << "::" |
| 1162 | << localName() |
| 1163 | << "(const " |
| 1164 | << localName() |
| 1165 | << "& other) "; |
| 1166 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1167 | emitSafeUnionCopyAndAssignDefinition( |
| 1168 | out, "other", true /* isCopyConstructor */, false /* usesMoveSemantics */); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1169 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1170 | // Move assignment operator |
| 1171 | out << fullName() |
| 1172 | << "& (" |
| 1173 | << fullName() |
| 1174 | << "::operator=)(" |
| 1175 | << localName() |
| 1176 | << "&& other) "; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1177 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1178 | emitSafeUnionCopyAndAssignDefinition( |
| 1179 | out, "other", false /* isCopyConstructor */, true /* usesMoveSemantics */); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1180 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1181 | // Copy assignment operator |
| 1182 | out << fullName() |
| 1183 | << "& (" |
| 1184 | << fullName() |
| 1185 | << "::operator=)(const " |
| 1186 | << localName() |
| 1187 | << "& other) "; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1188 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1189 | emitSafeUnionCopyAndAssignDefinition( |
| 1190 | out, "other", false /* isCopyConstructor */, false /* usesMoveSemantics */); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1191 | } |
| 1192 | |
| 1193 | void CompoundType::emitSafeUnionTypeDefinitions(Formatter& out) const { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1194 | emitSafeUnionTypeConstructors(out); |
| 1195 | |
| 1196 | out << "void " |
| 1197 | << fullName() |
| 1198 | << "::hidl_destructUnion() "; |
| 1199 | |
| 1200 | out.block([&] { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1201 | out << "switch (hidl_d) "; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1202 | out.block([&] { |
| 1203 | |
| 1204 | for (const auto& field : *mFields) { |
| 1205 | out << "case hidl_discriminator::" |
| 1206 | << field->name() |
| 1207 | << ": "; |
| 1208 | |
| 1209 | out.block([&] { |
Steven Moreland | 9b37ed1 | 2018-10-25 11:10:57 -0700 | [diff] [blame] | 1210 | out << "::android::hardware::details::destructElement(&(hidl_u." |
Nirav Atre | 3b4c7ff | 2018-07-09 11:57:02 -0700 | [diff] [blame] | 1211 | << field->name() |
| 1212 | << "));\n" |
| 1213 | << "break;\n"; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1214 | }).endl(); |
| 1215 | } |
| 1216 | |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1217 | out << "default: "; |
| 1218 | out.block([&] { emitSafeUnionUnknownDiscriminatorError(out, "hidl_d"); }).endl(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1219 | }).endl().endl(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1220 | }).endl().endl(); |
| 1221 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1222 | for (const NamedReference<Type>* field : *mFields) { |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1223 | // Setter (copy) |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1224 | out << "void " |
| 1225 | << fullName() |
| 1226 | << "::" |
| 1227 | << field->name() |
| 1228 | << "(" |
| 1229 | << field->type().getCppArgumentType() |
| 1230 | << " o) "; |
| 1231 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1232 | emitSafeUnionSetterDefinition(out, field, "o", false /* usesMoveSemantics */); |
| 1233 | |
Steven Moreland | 492bada | 2018-09-13 16:12:32 -0700 | [diff] [blame] | 1234 | if (field->type().resolveToScalarType() == nullptr) { |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1235 | // Setter (move) |
| 1236 | out << "void " |
| 1237 | << fullName() |
| 1238 | << "::" |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1239 | << field->name() |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1240 | << "(" |
| 1241 | << field->type().getCppStackType() |
| 1242 | << "&& o) "; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1243 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1244 | emitSafeUnionSetterDefinition(out, field, "o", true /* usesMoveSemantics */); |
| 1245 | } |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1246 | |
| 1247 | // Getter (mutable) |
| 1248 | out << field->type().getCppStackType() |
| 1249 | << "& (" |
| 1250 | << fullName() |
| 1251 | << "::" |
| 1252 | << field->name() |
| 1253 | << ")() "; |
| 1254 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1255 | emitSafeUnionGetterDefinition(out, field->name()); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1256 | |
| 1257 | // Getter (immutable) |
| 1258 | out << field->type().getCppArgumentType() |
| 1259 | << " (" |
| 1260 | << fullName() |
| 1261 | << "::" |
| 1262 | << field->name() |
| 1263 | << ")() const "; |
| 1264 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1265 | emitSafeUnionGetterDefinition(out, field->name()); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1266 | } |
| 1267 | |
| 1268 | // Trivial constructor/destructor for internal union |
| 1269 | out << fullName() << "::hidl_union::hidl_union() {}\n\n" |
| 1270 | << fullName() << "::hidl_union::~hidl_union() {}\n\n"; |
| 1271 | |
| 1272 | // Utility method |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 1273 | out << fullName() << "::hidl_discriminator (" |
| 1274 | << fullName() << "::getDiscriminator)() const "; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1275 | |
| 1276 | out.block([&] { |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 1277 | out << "return hidl_d;\n"; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1278 | }).endl().endl(); |
| 1279 | } |
| 1280 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 1281 | void CompoundType::emitTypeDefinitions(Formatter& out, const std::string& prefix) const { |
Steven Moreland | b158de1 | 2016-10-10 11:59:09 -0700 | [diff] [blame] | 1282 | std::string space = prefix.empty() ? "" : (prefix + "::"); |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 1283 | Scope::emitTypeDefinitions(out, space + localName()); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1284 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1285 | if (needsEmbeddedReadWrite()) { |
| 1286 | emitStructReaderWriter(out, prefix, true /* isReader */); |
| 1287 | emitStructReaderWriter(out, prefix, false /* isReader */); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1288 | } |
| 1289 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1290 | if (needsResolveReferences()) { |
| 1291 | emitResolveReferenceDef(out, prefix, true /* isReader */); |
| 1292 | emitResolveReferenceDef(out, prefix, false /* isReader */); |
| 1293 | } |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1294 | |
| 1295 | if (mStyle == STYLE_SAFE_UNION) { |
| 1296 | emitSafeUnionTypeDefinitions(out); |
| 1297 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1298 | } |
| 1299 | |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1300 | static void emitJavaSafeUnionUnknownDiscriminatorError(Formatter& out) { |
| 1301 | out << "throw new Error(\"Unknown union discriminator " |
| 1302 | << "(value: \" + hidl_d + \").\");\n"; |
| 1303 | } |
| 1304 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 1305 | void CompoundType::emitJavaTypeDeclarations(Formatter& out, bool atTopLevel) const { |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1306 | out << "public final "; |
| 1307 | |
| 1308 | if (!atTopLevel) { |
| 1309 | out << "static "; |
| 1310 | } |
| 1311 | |
| 1312 | out << "class " |
| 1313 | << localName() |
| 1314 | << " {\n"; |
| 1315 | |
| 1316 | out.indent(); |
| 1317 | |
| 1318 | Scope::emitJavaTypeDeclarations(out, false /* atTopLevel */); |
| 1319 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1320 | if (mStyle == STYLE_SAFE_UNION) { |
Steven Moreland | 579b0f6 | 2018-10-25 13:40:47 -0700 | [diff] [blame^] | 1321 | out << "public " << localName() << "() "; |
| 1322 | out.block([&] { |
| 1323 | CHECK(!mFields->empty()); |
| 1324 | mFields->at(0)->type().emitJavaFieldDefaultInitialValue(out, "hidl_o"); |
| 1325 | }).endl().endl(); |
| 1326 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1327 | const std::string discriminatorStorageType = ( |
| 1328 | getUnionDiscriminatorType()->getJavaType(false)); |
Steven Moreland | 49bad8d | 2018-05-17 15:45:26 -0700 | [diff] [blame] | 1329 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1330 | out << "public static final class hidl_discriminator "; |
| 1331 | out.block([&] { |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 1332 | const auto elements = getSafeUnionEnumElements(false /* useCppTypeName */); |
| 1333 | for (size_t idx = 0; idx < elements.size(); idx++) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1334 | out << "public static final " |
| 1335 | << discriminatorStorageType |
| 1336 | << " " |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 1337 | << elements[idx].fieldName |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1338 | << " = " |
| 1339 | << idx |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 1340 | << ";"; |
| 1341 | |
| 1342 | if (!elements[idx].fieldTypeName.empty()) { |
| 1343 | out << " // " |
| 1344 | << elements[idx].fieldTypeName; |
| 1345 | } |
| 1346 | out << "\n"; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1347 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1348 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1349 | out << "\n" |
| 1350 | << "public static final String getName(" |
| 1351 | << discriminatorStorageType |
| 1352 | << " value) "; |
| 1353 | |
| 1354 | out.block([&] { |
| 1355 | out << "switch (value) "; |
| 1356 | out.block([&] { |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 1357 | for (size_t idx = 0; idx < elements.size(); idx++) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1358 | out << "case " |
| 1359 | << idx |
| 1360 | << ": { return \"" |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 1361 | << elements[idx].fieldName |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1362 | << "\"; }\n"; |
| 1363 | } |
| 1364 | out << "default: { return \"Unknown\"; }\n"; |
| 1365 | }).endl(); |
| 1366 | }).endl().endl(); |
| 1367 | |
| 1368 | out << "private hidl_discriminator() {}\n"; |
| 1369 | }).endl().endl(); |
| 1370 | |
Steven Moreland | 967c243 | 2018-10-10 12:50:43 -0700 | [diff] [blame] | 1371 | out << "private " << discriminatorStorageType << " hidl_d = 0;\n"; |
Steven Moreland | 579b0f6 | 2018-10-25 13:40:47 -0700 | [diff] [blame^] | 1372 | out << "private Object hidl_o = null;\n"; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1373 | |
| 1374 | for (const auto& field : *mFields) { |
| 1375 | // Setter |
| 1376 | out << "public void " |
| 1377 | << field->name() |
| 1378 | << "(" |
| 1379 | << field->type().getJavaType(false) |
| 1380 | << " " |
| 1381 | << field->name() |
| 1382 | << ") "; |
| 1383 | |
| 1384 | out.block([&] { |
| 1385 | out << "hidl_d = hidl_discriminator." |
| 1386 | << field->name() |
| 1387 | << ";\n"; |
| 1388 | |
| 1389 | out << "hidl_o = " |
| 1390 | << field->name() |
| 1391 | << ";\n"; |
| 1392 | }).endl().endl(); |
| 1393 | |
| 1394 | // Getter |
| 1395 | out << "public " |
| 1396 | << field->type().getJavaType(false) |
| 1397 | << " " |
| 1398 | << field->name() |
| 1399 | << "() "; |
| 1400 | |
| 1401 | out.block([&] { |
| 1402 | out << "if (hidl_d != hidl_discriminator." |
| 1403 | << field->name() |
| 1404 | << ") "; |
| 1405 | |
| 1406 | out.block([&] { |
| 1407 | out << "String className = (hidl_o != null) ? " |
| 1408 | << "hidl_o.getClass().getName() : \"null\";\n"; |
| 1409 | |
| 1410 | out << "throw new IllegalStateException(\n"; |
| 1411 | out.indent(2, [&] { |
| 1412 | out << "\"Read access to inactive union components is disallowed. \" +\n" |
| 1413 | << "\"Discriminator value is \" + hidl_d + \" (corresponding \" +\n" |
| 1414 | << "\"to \" + hidl_discriminator.getName(hidl_d) + \"), and \" +\n" |
| 1415 | << "\"hidl_o is of type \" + className + \".\");\n"; |
| 1416 | }); |
| 1417 | }).endl(); |
| 1418 | |
| 1419 | out << "if (hidl_o != null && !" |
| 1420 | << field->type().getJavaTypeClass() |
| 1421 | << ".class.isInstance(hidl_o)) "; |
| 1422 | |
| 1423 | out.block([&] { |
| 1424 | out << "throw new Error(\"Union is in a corrupted state.\");\n"; |
| 1425 | }).endl(); |
| 1426 | |
| 1427 | out << "return (" |
| 1428 | << field->type().getJavaTypeCast("hidl_o") |
| 1429 | << ");\n"; |
| 1430 | }).endl().endl(); |
| 1431 | } |
| 1432 | |
| 1433 | out << "// Utility method\n" |
| 1434 | << "public " |
| 1435 | << discriminatorStorageType |
| 1436 | << " getDiscriminator() { return hidl_d; }\n\n"; |
| 1437 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1438 | } else { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1439 | for (const auto& field : *mFields) { |
| 1440 | field->emitDocComment(out); |
| 1441 | |
| 1442 | out << "public "; |
| 1443 | field->type().emitJavaFieldInitializer(out, field->name()); |
| 1444 | } |
| 1445 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1446 | out << "\n"; |
| 1447 | } |
| 1448 | |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1449 | //////////////////////////////////////////////////////////////////////////// |
| 1450 | |
| 1451 | if (canCheckEquality()) { |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1452 | out << "@Override\npublic final boolean equals(Object otherObject) "; |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1453 | out.block([&] { |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1454 | out.sIf("this == otherObject", [&] { |
| 1455 | out << "return true;\n"; |
| 1456 | }).endl(); |
| 1457 | out.sIf("otherObject == null", [&] { |
| 1458 | out << "return false;\n"; |
| 1459 | }).endl(); |
Yifan Hong | 45b331b | 2017-03-27 12:59:54 -0700 | [diff] [blame] | 1460 | // Though class is final, we use getClass instead of instanceof to be explicit. |
| 1461 | out.sIf("otherObject.getClass() != " + fullJavaName() + ".class", [&] { |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1462 | out << "return false;\n"; |
| 1463 | }).endl(); |
| 1464 | out << fullJavaName() << " other = (" << fullJavaName() << ")otherObject;\n"; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1465 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1466 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1467 | out.sIf("this.hidl_d != other.hidl_d", [&] { |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1468 | out << "return false;\n"; |
| 1469 | }).endl(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1470 | out.sIf("!android.os.HidlSupport.deepEquals(this.hidl_o, other.hidl_o)", [&] { |
| 1471 | out << "return false;\n"; |
| 1472 | }).endl(); |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1473 | } else { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1474 | for (const auto &field : *mFields) { |
| 1475 | std::string condition = (field->type().isScalar() || field->type().isEnum()) |
| 1476 | ? "this." + field->name() + " != other." + field->name() |
| 1477 | : ("!android.os.HidlSupport.deepEquals(this." + field->name() |
| 1478 | + ", other." + field->name() + ")"); |
| 1479 | out.sIf(condition, [&] { |
| 1480 | out << "return false;\n"; |
| 1481 | }).endl(); |
| 1482 | } |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1483 | } |
| 1484 | out << "return true;\n"; |
| 1485 | }).endl().endl(); |
| 1486 | |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1487 | out << "@Override\npublic final int hashCode() "; |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1488 | out.block([&] { |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1489 | out << "return java.util.Objects.hash(\n"; |
| 1490 | out.indent(2, [&] { |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1491 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1492 | out << "android.os.HidlSupport.deepHashCode(this.hidl_o),\n" |
| 1493 | << "java.util.Objects.hashCode(this.hidl_d)"; |
| 1494 | } else { |
| 1495 | out.join(mFields->begin(), mFields->end(), ", \n", [&] (const auto &field) { |
| 1496 | out << "android.os.HidlSupport.deepHashCode(this." << field->name() << ")"; |
| 1497 | }); |
| 1498 | } |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1499 | }); |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1500 | out << ");\n"; |
| 1501 | }).endl().endl(); |
Yifan Hong | 42c6843 | 2017-03-13 16:22:03 -0700 | [diff] [blame] | 1502 | } else { |
| 1503 | out << "// equals() is not generated for " << localName() << "\n"; |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1504 | } |
| 1505 | |
| 1506 | //////////////////////////////////////////////////////////////////////////// |
| 1507 | |
Yifan Hong | e45b530 | 2017-02-22 10:49:07 -0800 | [diff] [blame] | 1508 | out << "@Override\npublic final String toString() "; |
| 1509 | out.block([&] { |
| 1510 | out << "java.lang.StringBuilder builder = new java.lang.StringBuilder();\n" |
| 1511 | << "builder.append(\"{\");\n"; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1512 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1513 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1514 | out << "switch (this.hidl_d) {\n"; |
| 1515 | out.indent(); |
Yifan Hong | e45b530 | 2017-02-22 10:49:07 -0800 | [diff] [blame] | 1516 | } |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1517 | |
| 1518 | for (const auto &field : *mFields) { |
| 1519 | if (mStyle == STYLE_SAFE_UNION) { |
| 1520 | out << "case hidl_discriminator." |
| 1521 | << field->name() |
| 1522 | << ": "; |
| 1523 | |
| 1524 | out.block([&] { |
| 1525 | out << "builder.append(\"" |
| 1526 | << "." |
| 1527 | << field->name() |
| 1528 | << " = \");\n"; |
| 1529 | |
| 1530 | field->type().emitJavaDump(out, "builder", "this." + field->name() + "()"); |
| 1531 | out << "break;\n"; |
| 1532 | }).endl(); |
| 1533 | } |
| 1534 | else { |
| 1535 | out << "builder.append(\""; |
| 1536 | if (field != *(mFields->begin())) { |
| 1537 | out << ", "; |
| 1538 | } |
| 1539 | out << "." << field->name() << " = \");\n"; |
| 1540 | field->type().emitJavaDump(out, "builder", "this." + field->name()); |
| 1541 | } |
| 1542 | } |
| 1543 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1544 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1545 | out << "default: "; |
| 1546 | out.block([&] { emitJavaSafeUnionUnknownDiscriminatorError(out); }).endl(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1547 | |
| 1548 | out.unindent(); |
| 1549 | out << "}\n"; |
| 1550 | } |
| 1551 | |
Yifan Hong | e45b530 | 2017-02-22 10:49:07 -0800 | [diff] [blame] | 1552 | out << "builder.append(\"}\");\nreturn builder.toString();\n"; |
| 1553 | }).endl().endl(); |
| 1554 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1555 | CompoundLayout layout = getCompoundAlignmentAndSize(); |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 1556 | |
Yifan Hong | e45b530 | 2017-02-22 10:49:07 -0800 | [diff] [blame] | 1557 | //////////////////////////////////////////////////////////////////////////// |
| 1558 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 1559 | out << "public final void readFromParcel(android.os.HwParcel parcel) {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1560 | out.indent(); |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1561 | if (containsInterface()) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1562 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1563 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1564 | out << "hidl_d = "; |
| 1565 | getUnionDiscriminatorType()->emitJavaReaderWriter( |
| 1566 | out, "parcel", "hidl_d", true); |
| 1567 | |
| 1568 | out << "switch (hidl_d) {\n"; |
| 1569 | out.indent(); |
| 1570 | } |
| 1571 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1572 | for (const auto& field : *mFields) { |
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 | << ": "; |
| 1577 | |
| 1578 | out.block([&] { |
| 1579 | out << "hidl_o = "; |
| 1580 | field->type().emitJavaReaderWriter(out, "parcel", "hidl_o", true); |
| 1581 | |
| 1582 | out << "break;\n"; |
| 1583 | }).endl(); |
| 1584 | } else { |
| 1585 | out << field->name() << " = "; |
| 1586 | field->type().emitJavaReaderWriter(out, "parcel", field->name(), true); |
| 1587 | } |
| 1588 | } |
| 1589 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1590 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1591 | out << "default: "; |
| 1592 | out.block([&] { emitJavaSafeUnionUnknownDiscriminatorError(out); }).endl(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1593 | |
| 1594 | out.unindent(); |
| 1595 | out << "}\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1596 | } |
| 1597 | } else { |
| 1598 | out << "android.os.HwBlob blob = parcel.readBuffer("; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1599 | out << layout.overall.size << " /* size */);\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1600 | out << "readEmbeddedFromParcel(parcel, blob, 0 /* parentOffset */);\n"; |
| 1601 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1602 | out.unindent(); |
| 1603 | out << "}\n\n"; |
| 1604 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1605 | //////////////////////////////////////////////////////////////////////////// |
| 1606 | |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 1607 | size_t vecAlign, vecSize; |
| 1608 | VectorType::getAlignmentAndSizeStatic(&vecAlign, &vecSize); |
| 1609 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1610 | out << "public static final java.util.ArrayList<" << localName() |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 1611 | << "> readVectorFromParcel(android.os.HwParcel parcel) {\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1612 | out.indent(); |
| 1613 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1614 | out << "java.util.ArrayList<" << localName() << "> _hidl_vec = new java.util.ArrayList();\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1615 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1616 | if (containsInterface()) { |
| 1617 | out << "int size = parcel.readInt32();\n"; |
| 1618 | out << "for(int i = 0 ; i < size; i ++) {\n"; |
| 1619 | out.indent(); |
| 1620 | out << fullJavaName() << " tmp = "; |
| 1621 | emitJavaReaderWriter(out, "parcel", "tmp", true); |
| 1622 | out << "_hidl_vec.add(tmp);\n"; |
| 1623 | out.unindent(); |
| 1624 | out << "}\n"; |
| 1625 | } else { |
| 1626 | out << "android.os.HwBlob _hidl_blob = parcel.readBuffer("; |
| 1627 | out << vecSize << " /* sizeof hidl_vec<T> */);\n\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1628 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1629 | VectorType::EmitJavaFieldReaderWriterForElementType(out, 0 /* depth */, this, "parcel", |
| 1630 | "_hidl_blob", "_hidl_vec", "0", |
| 1631 | true /* isReader */); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1632 | } |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1633 | out << "\nreturn _hidl_vec;\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1634 | out.unindent(); |
| 1635 | out << "}\n\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1636 | //////////////////////////////////////////////////////////////////////////// |
| 1637 | if (containsInterface()) { |
| 1638 | out << "// readEmbeddedFromParcel is not generated()\n"; |
| 1639 | } else { |
| 1640 | out << "public final void readEmbeddedFromParcel(\n"; |
| 1641 | out.indent(2); |
| 1642 | out << "android.os.HwParcel parcel, android.os.HwBlob _hidl_blob, long _hidl_offset) {\n"; |
| 1643 | out.unindent(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1644 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1645 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1646 | getUnionDiscriminatorType()->emitJavaFieldReaderWriter( |
| 1647 | out, 0 /* depth */, "parcel", "_hidl_blob", "hidl_d", |
| 1648 | "_hidl_offset + " + std::to_string(layout.discriminator.offset), |
| 1649 | true /* isReader */); |
| 1650 | |
| 1651 | out << "switch (this.hidl_d) {\n"; |
| 1652 | out.indent(); |
| 1653 | } |
| 1654 | |
| 1655 | size_t offset = layout.innerStruct.offset; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1656 | for (const auto& field : *mFields) { |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1657 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1658 | if (mStyle == STYLE_SAFE_UNION) { |
| 1659 | out << "case hidl_discriminator." |
| 1660 | << field->name() |
| 1661 | << ": "; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1662 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1663 | out.block([&] { |
| 1664 | field->type().emitJavaFieldDefaultInitialValue(out, "hidl_o"); |
| 1665 | field->type().emitJavaFieldReaderWriter( |
| 1666 | out, 0 /* depth */, "parcel", "_hidl_blob", "hidl_o", |
| 1667 | "_hidl_offset + " + std::to_string(offset), true /* isReader */); |
| 1668 | |
| 1669 | out << "break;\n"; |
| 1670 | }).endl(); |
| 1671 | } else { |
| 1672 | size_t fieldAlign, fieldSize; |
| 1673 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 1674 | |
| 1675 | offset += Layout::getPad(offset, fieldAlign); |
| 1676 | field->type().emitJavaFieldReaderWriter( |
| 1677 | out, 0 /* depth */, "parcel", "_hidl_blob", field->name(), |
| 1678 | "_hidl_offset + " + std::to_string(offset), true /* isReader */); |
| 1679 | offset += fieldSize; |
| 1680 | } |
| 1681 | } |
| 1682 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1683 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1684 | out << "default: "; |
| 1685 | out.block([&] { emitJavaSafeUnionUnknownDiscriminatorError(out); }).endl(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1686 | |
| 1687 | out.unindent(); |
| 1688 | out << "}\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1689 | } |
| 1690 | out.unindent(); |
| 1691 | out << "}\n\n"; |
| 1692 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1693 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1694 | //////////////////////////////////////////////////////////////////////////// |
| 1695 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 1696 | out << "public final void writeToParcel(android.os.HwParcel parcel) {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1697 | out.indent(); |
| 1698 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1699 | if (containsInterface()) { |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1700 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1701 | getUnionDiscriminatorType()->emitJavaReaderWriter( |
| 1702 | out, "parcel", "hidl_d", false); |
| 1703 | |
| 1704 | out << "switch (this.hidl_d) {\n"; |
| 1705 | out.indent(); |
| 1706 | } |
| 1707 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1708 | for (const auto& field : *mFields) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1709 | if (mStyle == STYLE_SAFE_UNION) { |
| 1710 | out << "case hidl_discriminator." |
| 1711 | << field->name() |
| 1712 | << ": "; |
| 1713 | |
| 1714 | out.block([&] { |
| 1715 | field->type().emitJavaReaderWriter(out, "parcel", field->name() + "()", false); |
| 1716 | out << "break;\n"; |
| 1717 | }).endl(); |
| 1718 | } else { |
| 1719 | field->type().emitJavaReaderWriter(out, "parcel", field->name(), false); |
| 1720 | } |
| 1721 | } |
| 1722 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1723 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1724 | out << "default: "; |
| 1725 | out.block([&] { emitJavaSafeUnionUnknownDiscriminatorError(out); }).endl(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1726 | |
| 1727 | out.unindent(); |
| 1728 | out << "}\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1729 | } |
| 1730 | } else { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1731 | out << "android.os.HwBlob _hidl_blob = new android.os.HwBlob(" |
| 1732 | << layout.overall.size |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1733 | << " /* size */);\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1734 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1735 | out << "writeEmbeddedToBlob(_hidl_blob, 0 /* parentOffset */);\n" |
| 1736 | << "parcel.writeBuffer(_hidl_blob);\n"; |
| 1737 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1738 | out.unindent(); |
| 1739 | out << "}\n\n"; |
| 1740 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1741 | //////////////////////////////////////////////////////////////////////////// |
| 1742 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1743 | out << "public static final void writeVectorToParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1744 | out.indent(2); |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1745 | out << "android.os.HwParcel parcel, java.util.ArrayList<" << localName() << "> _hidl_vec) {\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1746 | out.unindent(); |
| 1747 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1748 | if (containsInterface()) { |
| 1749 | out << "parcel.writeInt32(_hidl_vec.size());\n"; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1750 | out << "for(" << fullJavaName() << " tmp: _hidl_vec) "; |
| 1751 | out.block([&] { |
| 1752 | emitJavaReaderWriter(out, "parcel", "tmp", false); |
| 1753 | }).endl(); |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1754 | } else { |
| 1755 | out << "android.os.HwBlob _hidl_blob = new android.os.HwBlob(" << vecSize |
| 1756 | << " /* sizeof(hidl_vec<T>) */);\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1757 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1758 | VectorType::EmitJavaFieldReaderWriterForElementType(out, 0 /* depth */, this, "parcel", |
| 1759 | "_hidl_blob", "_hidl_vec", "0", |
| 1760 | false /* isReader */); |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1761 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1762 | out << "\nparcel.writeBuffer(_hidl_blob);\n"; |
| 1763 | } |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1764 | out.unindent(); |
| 1765 | out << "}\n\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1766 | //////////////////////////////////////////////////////////////////////////// |
| 1767 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1768 | if (containsInterface()) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1769 | out << "// writeEmbeddedToBlob() is not generated\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1770 | } else { |
| 1771 | out << "public final void writeEmbeddedToBlob(\n"; |
| 1772 | out.indent(2); |
| 1773 | out << "android.os.HwBlob _hidl_blob, long _hidl_offset) {\n"; |
| 1774 | out.unindent(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1775 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1776 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1777 | getUnionDiscriminatorType()->emitJavaFieldReaderWriter( |
| 1778 | out, 0 /* depth */, "parcel", "_hidl_blob", "hidl_d", |
| 1779 | "_hidl_offset + " + std::to_string(layout.discriminator.offset), |
| 1780 | false /* isReader */); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1781 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1782 | out << "switch (this.hidl_d) {\n"; |
| 1783 | out.indent(); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1784 | } |
| 1785 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1786 | size_t offset = layout.innerStruct.offset; |
| 1787 | for (const auto& field : *mFields) { |
| 1788 | if (mStyle == STYLE_SAFE_UNION) { |
| 1789 | out << "case hidl_discriminator." |
| 1790 | << field->name() |
| 1791 | << ": "; |
| 1792 | |
| 1793 | out.block([&] { |
| 1794 | field->type().emitJavaFieldReaderWriter( |
| 1795 | out, 0 /* depth */, "parcel", "_hidl_blob", field->name() + "()", |
| 1796 | "_hidl_offset + " + std::to_string(offset), false /* isReader */); |
| 1797 | |
| 1798 | out << "break;\n"; |
| 1799 | }).endl(); |
| 1800 | } else { |
| 1801 | size_t fieldAlign, fieldSize; |
| 1802 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 1803 | |
| 1804 | offset += Layout::getPad(offset, fieldAlign); |
| 1805 | field->type().emitJavaFieldReaderWriter( |
| 1806 | out, 0 /* depth */, "parcel", "_hidl_blob", field->name(), |
| 1807 | "_hidl_offset + " + std::to_string(offset), false /* isReader */); |
| 1808 | offset += fieldSize; |
| 1809 | } |
| 1810 | } |
| 1811 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1812 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1813 | out << "default: "; |
| 1814 | out.block([&] { emitJavaSafeUnionUnknownDiscriminatorError(out); }).endl(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1815 | |
| 1816 | out.unindent(); |
| 1817 | out << "}\n"; |
| 1818 | } |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1819 | out.unindent(); |
| 1820 | out << "}\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1821 | } |
| 1822 | |
| 1823 | out.unindent(); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1824 | out << "};\n\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1825 | } |
| 1826 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1827 | void CompoundType::emitStructReaderWriter( |
| 1828 | Formatter &out, const std::string &prefix, bool isReader) const { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1829 | |
| 1830 | std::string space = prefix.empty() ? "" : (prefix + "::"); |
| 1831 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1832 | out << "::android::status_t " |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1833 | << (isReader ? "readEmbeddedFromParcel" |
| 1834 | : "writeEmbeddedToParcel") |
| 1835 | << "(\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1836 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1837 | out.indent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1838 | |
Nirav Atre | 97b7e9c | 2018-07-26 19:29:40 -0700 | [diff] [blame] | 1839 | const std::string name = "obj"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1840 | if (isReader) { |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 1841 | out << "const " << space << localName() << " &" << name << ",\n"; |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 1842 | out << "const ::android::hardware::Parcel &parcel,\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1843 | } else { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1844 | out << "const " << space << localName() << " &" << name << ",\n"; |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 1845 | out << "::android::hardware::Parcel *parcel,\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1846 | } |
| 1847 | |
| 1848 | out << "size_t parentHandle,\n" |
| 1849 | << "size_t parentOffset)"; |
| 1850 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1851 | out << " {\n"; |
| 1852 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1853 | out.unindent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1854 | out.indent(); |
| 1855 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1856 | out << "::android::status_t _hidl_err = ::android::OK;\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1857 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1858 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1859 | out << "switch (" << name << ".getDiscriminator()) {\n"; |
| 1860 | out.indent(); |
| 1861 | } |
| 1862 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1863 | for (const auto &field : *mFields) { |
| 1864 | if (!field->type().needsEmbeddedReadWrite()) { |
| 1865 | continue; |
| 1866 | } |
| 1867 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1868 | if (mStyle == STYLE_SAFE_UNION) { |
| 1869 | out << "case " << fullName() << "::hidl_discriminator::" |
| 1870 | << field->name() << ": {\n"; |
| 1871 | out.indent(); |
| 1872 | } |
| 1873 | |
| 1874 | const std::string fieldName = (mStyle == STYLE_SAFE_UNION) |
Nirav Atre | 97b7e9c | 2018-07-26 19:29:40 -0700 | [diff] [blame] | 1875 | ? (name + "." + field->name() + "()") |
| 1876 | : (name + "." + field->name()); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1877 | |
| 1878 | const std::string fieldOffset = (mStyle == STYLE_SAFE_UNION) |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 1879 | ? (name + ".hidl_getUnionOffset() " + |
| 1880 | "/* safe_union: union offset into struct */") |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1881 | : ("offsetof(" + fullName() + ", " + field->name() + ")"); |
| 1882 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1883 | field->type().emitReaderWriterEmbedded( |
| 1884 | out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 1885 | 0 /* depth */, |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1886 | fieldName, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 1887 | field->name() /* sanitizedName */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1888 | false /* nameIsPointer */, |
| 1889 | "parcel", |
| 1890 | !isReader /* parcelObjIsPointer */, |
| 1891 | isReader, |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 1892 | ErrorMode_Return, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1893 | "parentHandle", |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1894 | "parentOffset + " + fieldOffset); |
| 1895 | |
| 1896 | if (mStyle == STYLE_SAFE_UNION) { |
| 1897 | out << "break;\n"; |
| 1898 | out.unindent(); |
| 1899 | out << "}\n"; |
| 1900 | } |
| 1901 | } |
| 1902 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1903 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1904 | out << "default: { break; }\n"; |
| 1905 | out.unindent(); |
| 1906 | out << "}\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1907 | } |
| 1908 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1909 | out << "return _hidl_err;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1910 | |
| 1911 | out.unindent(); |
| 1912 | out << "}\n\n"; |
| 1913 | } |
| 1914 | |
Chih-Hung Hsieh | 8c90cc5 | 2017-08-03 14:51:13 -0700 | [diff] [blame] | 1915 | void CompoundType::emitResolveReferenceDef(Formatter& out, const std::string& prefix, |
| 1916 | bool isReader) const { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1917 | out << "::android::status_t "; |
| 1918 | const std::string space(prefix.empty() ? "" : (prefix + "::")); |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 1919 | |
| 1920 | bool useParent = false; |
| 1921 | for (const auto &field : *mFields) { |
| 1922 | if (field->type().useParentInEmitResolveReferencesEmbedded()) { |
| 1923 | useParent = true; |
| 1924 | break; |
| 1925 | } |
| 1926 | } |
| 1927 | |
| 1928 | std::string parentHandleName = useParent ? "parentHandle" : "/* parentHandle */"; |
| 1929 | std::string parentOffsetName = useParent ? "parentOffset" : "/* parentOffset */"; |
| 1930 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1931 | if (isReader) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1932 | out << "readEmbeddedReferenceFromParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1933 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1934 | out << space + localName() + " *obj,\n" |
| 1935 | << "const ::android::hardware::Parcel &parcel,\n" |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 1936 | << "size_t " << parentHandleName << ", " |
| 1937 | << "size_t " << parentOffsetName << ")\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1938 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1939 | } else { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1940 | out << "writeEmbeddedReferenceToParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1941 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1942 | out << "const " << space + localName() + " &obj,\n" |
| 1943 | << "::android::hardware::Parcel *parcel,\n" |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 1944 | << "size_t " << parentHandleName << ", " |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1945 | << "size_t " << parentOffsetName << ")\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1946 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1947 | } |
| 1948 | |
| 1949 | out << " {\n"; |
| 1950 | |
| 1951 | out.indent(); |
| 1952 | |
| 1953 | out << "::android::status_t _hidl_err = ::android::OK;\n\n"; |
| 1954 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1955 | const std::string nameDeref(isReader ? "obj->" : "obj."); |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 1956 | // if not useParent, then parentName and offsetText |
| 1957 | // should not be used at all, then the #error should not be emitted. |
| 1958 | std::string error = useParent ? "" : "\n#error\n"; |
| 1959 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1960 | if (mStyle == STYLE_SAFE_UNION) { |
| 1961 | out << "switch (" << nameDeref << "getDiscriminator()) {\n"; |
| 1962 | out.indent(); |
| 1963 | } |
| 1964 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1965 | for (const auto &field : *mFields) { |
| 1966 | if (!field->type().needsResolveReferences()) { |
| 1967 | continue; |
| 1968 | } |
| 1969 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1970 | if (mStyle == STYLE_SAFE_UNION) { |
| 1971 | out << "case " << fullName() << "::hidl_discriminator::" |
| 1972 | << field->name() << ": {\n"; |
| 1973 | out.indent(); |
| 1974 | } |
| 1975 | |
| 1976 | const std::string fieldName = (mStyle == STYLE_SAFE_UNION) |
| 1977 | ? (nameDeref + field->name() + "()") |
| 1978 | : (nameDeref + field->name()); |
| 1979 | |
| 1980 | const std::string fieldOffset = (mStyle == STYLE_SAFE_UNION) |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 1981 | ? (nameDeref + "hidl_getUnionOffset() " + |
| 1982 | "/* safe_union: union offset into struct */") |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1983 | : ("offsetof(" + fullName() + ", " + field->name() + ")"); |
| 1984 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1985 | field->type().emitResolveReferencesEmbedded( |
| 1986 | out, |
| 1987 | 0 /* depth */, |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1988 | fieldName, |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1989 | field->name() /* sanitizedName */, |
| 1990 | false, // nameIsPointer |
| 1991 | "parcel", // const std::string &parcelObj, |
| 1992 | !isReader, // bool parcelObjIsPointer, |
| 1993 | isReader, // bool isReader, |
| 1994 | ErrorMode_Return, |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 1995 | parentHandleName + error, |
| 1996 | parentOffsetName |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1997 | + " + " |
| 1998 | + fieldOffset |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 1999 | + error); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2000 | |
| 2001 | if (mStyle == STYLE_SAFE_UNION) { |
| 2002 | out << "break;\n"; |
| 2003 | out.unindent(); |
| 2004 | out << "}\n"; |
| 2005 | } |
| 2006 | } |
| 2007 | |
| 2008 | if (mStyle == STYLE_SAFE_UNION) { |
| 2009 | out << "default: { _hidl_err = ::android::BAD_VALUE; break; }\n"; |
| 2010 | out.unindent(); |
| 2011 | out << "}\n"; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 2012 | } |
| 2013 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 2014 | out << "return _hidl_err;\n"; |
| 2015 | |
| 2016 | out.unindent(); |
| 2017 | out << "}\n\n"; |
| 2018 | } |
| 2019 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 2020 | bool CompoundType::needsEmbeddedReadWrite() const { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2021 | if (mStyle == STYLE_UNION) { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 2022 | return false; |
| 2023 | } |
| 2024 | |
| 2025 | for (const auto &field : *mFields) { |
| 2026 | if (field->type().needsEmbeddedReadWrite()) { |
| 2027 | return true; |
| 2028 | } |
| 2029 | } |
| 2030 | |
| 2031 | return false; |
| 2032 | } |
| 2033 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2034 | bool CompoundType::deepNeedsResolveReferences(std::unordered_set<const Type*>* visited) const { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2035 | if (mStyle == STYLE_UNION) { |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 2036 | return false; |
| 2037 | } |
| 2038 | |
| 2039 | for (const auto &field : *mFields) { |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2040 | if (field->type().needsResolveReferences(visited)) { |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 2041 | return true; |
| 2042 | } |
| 2043 | } |
| 2044 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2045 | return Scope::deepNeedsResolveReferences(visited); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 2046 | } |
| 2047 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 2048 | bool CompoundType::resultNeedsDeref() const { |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 2049 | return !containsInterface() ; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 2050 | } |
| 2051 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 2052 | void CompoundType::emitVtsTypeDeclarations(Formatter& out) const { |
Zhuoyao Zhang | bf828c8 | 2016-10-26 14:15:10 -0700 | [diff] [blame] | 2053 | out << "name: \"" << fullName() << "\"\n"; |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 2054 | out << "type: " << getVtsType() << "\n"; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2055 | |
| 2056 | // Emit declaration for each subtype. |
| 2057 | for (const auto &type : getSubTypes()) { |
| 2058 | switch (mStyle) { |
| 2059 | case STYLE_STRUCT: |
| 2060 | { |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 2061 | out << "sub_struct: {\n"; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2062 | break; |
| 2063 | } |
| 2064 | case STYLE_UNION: |
| 2065 | { |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 2066 | out << "sub_union: {\n"; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2067 | break; |
| 2068 | } |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2069 | case STYLE_SAFE_UNION: |
| 2070 | { |
| 2071 | out << "sub_safe_union: {\n"; |
| 2072 | break; |
| 2073 | } |
| 2074 | default: |
| 2075 | { |
| 2076 | CHECK(!"Should not be here"); |
| 2077 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2078 | } |
| 2079 | out.indent(); |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 2080 | type->emitVtsTypeDeclarations(out); |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2081 | out.unindent(); |
| 2082 | out << "}\n"; |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 2083 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2084 | |
| 2085 | // Emit declaration for each field. |
| 2086 | for (const auto &field : *mFields) { |
| 2087 | switch (mStyle) { |
| 2088 | case STYLE_STRUCT: |
| 2089 | { |
| 2090 | out << "struct_value: {\n"; |
| 2091 | break; |
| 2092 | } |
| 2093 | case STYLE_UNION: |
| 2094 | { |
| 2095 | out << "union_value: {\n"; |
| 2096 | break; |
| 2097 | } |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2098 | case STYLE_SAFE_UNION: |
| 2099 | { |
| 2100 | out << "safe_union_value: {\n"; |
| 2101 | break; |
| 2102 | } |
| 2103 | default: |
| 2104 | { |
| 2105 | CHECK(!"Should not be here"); |
| 2106 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2107 | } |
| 2108 | out.indent(); |
| 2109 | out << "name: \"" << field->name() << "\"\n"; |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 2110 | field->type().emitVtsAttributeType(out); |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2111 | out.unindent(); |
| 2112 | out << "}\n"; |
| 2113 | } |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 2114 | } |
| 2115 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 2116 | void CompoundType::emitVtsAttributeType(Formatter& out) const { |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 2117 | out << "type: " << getVtsType() << "\n"; |
Zhuoyao Zhang | bf828c8 | 2016-10-26 14:15:10 -0700 | [diff] [blame] | 2118 | out << "predefined_type: \"" << fullName() << "\"\n"; |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 2119 | } |
| 2120 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2121 | bool CompoundType::deepIsJavaCompatible(std::unordered_set<const Type*>* visited) const { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 2122 | if (mStyle == STYLE_UNION) { |
Andreas Huber | 0fa9e39 | 2016-08-31 09:05:44 -0700 | [diff] [blame] | 2123 | return false; |
| 2124 | } |
| 2125 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2126 | for (const auto* field : *mFields) { |
| 2127 | if (!field->get()->isJavaCompatible(visited)) { |
Andreas Huber | 0fa9e39 | 2016-08-31 09:05:44 -0700 | [diff] [blame] | 2128 | return false; |
| 2129 | } |
| 2130 | } |
| 2131 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2132 | return Scope::deepIsJavaCompatible(visited); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2133 | } |
| 2134 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2135 | bool CompoundType::deepContainsPointer(std::unordered_set<const Type*>* visited) const { |
| 2136 | for (const auto* field : *mFields) { |
| 2137 | if (field->get()->containsPointer(visited)) { |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 2138 | return true; |
| 2139 | } |
| 2140 | } |
| 2141 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2142 | return Scope::deepContainsPointer(visited); |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 2143 | } |
| 2144 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2145 | void CompoundType::getAlignmentAndSize(size_t *align, size_t *size) const { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2146 | CompoundLayout layout = getCompoundAlignmentAndSize(); |
| 2147 | *align = layout.overall.align; |
| 2148 | *size = layout.overall.size; |
| 2149 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2150 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2151 | CompoundType::CompoundLayout CompoundType::getCompoundAlignmentAndSize() const { |
| 2152 | CompoundLayout compoundLayout; |
| 2153 | |
| 2154 | // Local aliases for convenience |
| 2155 | Layout& overall = compoundLayout.overall; |
| 2156 | Layout& innerStruct = compoundLayout.innerStruct; |
| 2157 | Layout& discriminator = compoundLayout.discriminator; |
| 2158 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 2159 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 2160 | getUnionDiscriminatorType()->getAlignmentAndSize( |
| 2161 | &(discriminator.align), &(discriminator.size)); |
| 2162 | |
| 2163 | innerStruct.offset = discriminator.size; |
| 2164 | } |
| 2165 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2166 | for (const auto &field : *mFields) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2167 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2168 | // Each field is aligned according to its alignment requirement. |
| 2169 | // The surrounding structure's alignment is the maximum of its |
| 2170 | // fields' aligments. |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2171 | size_t fieldAlign, fieldSize; |
| 2172 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2173 | size_t lPad = Layout::getPad(innerStruct.size, fieldAlign); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2174 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2175 | innerStruct.size = (mStyle == STYLE_STRUCT) |
| 2176 | ? (innerStruct.size + lPad + fieldSize) |
| 2177 | : std::max(innerStruct.size, fieldSize); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2178 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2179 | innerStruct.align = std::max(innerStruct.align, fieldAlign); |
| 2180 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2181 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 2182 | // Pad the inner structure's size |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2183 | innerStruct.size += Layout::getPad(innerStruct.size, |
| 2184 | innerStruct.align); |
| 2185 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 2186 | // Compute its final offset |
| 2187 | innerStruct.offset += Layout::getPad(innerStruct.offset, |
| 2188 | innerStruct.align); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2189 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 2190 | overall.size = innerStruct.offset + innerStruct.size; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2191 | |
| 2192 | // An empty struct/union still occupies a byte of space in C++. |
| 2193 | if (overall.size == 0) { |
| 2194 | overall.size = 1; |
| 2195 | } |
| 2196 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 2197 | // Pad the overall structure's size |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2198 | overall.align = std::max(innerStruct.align, discriminator.align); |
| 2199 | overall.size += Layout::getPad(overall.size, overall.align); |
| 2200 | |
| 2201 | return compoundLayout; |
| 2202 | } |
| 2203 | |
| 2204 | std::unique_ptr<ScalarType> CompoundType::getUnionDiscriminatorType() const { |
| 2205 | static const std::vector<std::pair<int, ScalarType::Kind> > scalars { |
| 2206 | {8, ScalarType::Kind::KIND_UINT8}, |
| 2207 | {16, ScalarType::Kind::KIND_UINT16}, |
| 2208 | {32, ScalarType::Kind::KIND_UINT32}, |
| 2209 | }; |
| 2210 | |
Steven Moreland | 967c243 | 2018-10-10 12:50:43 -0700 | [diff] [blame] | 2211 | size_t numFields = mFields->size(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2212 | auto kind = ScalarType::Kind::KIND_UINT64; |
| 2213 | |
| 2214 | for (const auto& scalar : scalars) { |
| 2215 | if (numFields <= (1ULL << scalar.first)) { |
| 2216 | kind = scalar.second; break; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2217 | } |
| 2218 | } |
| 2219 | |
Yi Kong | 56758da | 2018-07-24 16:21:37 -0700 | [diff] [blame] | 2220 | return std::unique_ptr<ScalarType>(new ScalarType(kind, nullptr)); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2221 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2222 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2223 | size_t CompoundType::Layout::getPad(size_t offset, size_t align) { |
| 2224 | size_t remainder = offset % align; |
| 2225 | return (remainder > 0) ? (align - remainder) : 0; |
Andreas Huber | 70a59e1 | 2016-08-16 12:57:01 -0700 | [diff] [blame] | 2226 | } |
| 2227 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 2228 | } // namespace android |
| 2229 | |